// You can set the following variables before loading this script:
//
-// var netdataStopDygraph = 1; // do not use dygraph
-// var netdataStopSparkline = 1; // do not use sparkline
-// var netdataStopPeity = 1; // do not use peity
-// var netdataStopGoogleCharts = 1; // do not use google
-// var netdataStopMorris = 1; // do not use morris
-// var netdataDontInit = 1; // do not start the thread to process the charts
+// var netdataNoDygraphs = true; // do not use dygraph
+// var netdataNoSparklines = true; // do not use sparkline
+// var netdataNoPeitys = true; // do not use peity
+// var netdataNoGoogleCharts = true; // do not use google
+// var netdataNoMorris = true; // do not use morris
+// var netdataNoEasyPieChart = true; // do not use easy pie chart
+// var netdataNoGauge = true; // do not use gauge.js
+// var netdataNoD3 = true; // do not use D3
+// var netdataNoC3 = true; // do not use C3
+// var netdataNoBootstrap = true; // do not load bootstrap
+// var netdataDontStart = true; // do not start the thread to process the charts
+// var netdataErrorCallback = null; // Callback function that will be invoked upon error
//
// You can also set the default netdata server, using the following.
// When this variable is not set, we assume the page is hosted on your
// netdata server already.
// var netdataServer = "http://yourhost:19999"; // set your NetData server
-(function(window)
-{
- // fix IE bug with console
+//(function(window, document, undefined) {
+ // fix IE issue with console
if(!window.console){ window.console = {log: function(){} }; }
+ // global namespace
var NETDATA = window.NETDATA || {};
// ----------------------------------------------------------------------------------------------------------------
// http://stackoverflow.com/questions/984510/what-is-my-script-src-url
// http://stackoverflow.com/questions/6941533/get-protocol-domain-and-port-from-url
- NETDATA._scriptSource = function(scripts) {
- var script = null, base = null;
+ NETDATA._scriptSource = function() {
+ var script = null;
- if(typeof document.currentScript != 'undefined') {
+ if(typeof document.currentScript !== 'undefined') {
script = document.currentScript;
}
else {
script = all_scripts[all_scripts.length - 1];
}
- if (script.getAttribute.length != 'undefined')
+ if (typeof script.getAttribute.length !== 'undefined')
script = script.src;
else
script = script.getAttribute('src', -1);
- var link = document.createElement('a');
- link.setAttribute('href', script);
-
- if(!link.protocol || !link.hostname) return null;
-
- base = link.protocol;
- if(base) base += "//";
- base += link.hostname;
+ return script;
+ };
- if(link.port) base += ":" + link.port;
- base += "/";
+ if(typeof netdataServer !== 'undefined')
+ NETDATA.serverDefault = netdataServer;
+ else {
+ var s = NETDATA._scriptSource();
+ NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)*$/g, "");
+ }
- return base;
+ if(NETDATA.serverDefault === null)
+ NETDATA.serverDefault = '';
+ else if(NETDATA.serverDefault.slice(-1) !== '/')
+ NETDATA.serverDefault += '/';
+
+ // default URLs for all the external files we need
+ // make them RELATIVE so that the whole thing can also be
+ // installed under a web server
+ NETDATA.jQuery = NETDATA.serverDefault + 'lib/jquery-1.12.0.min.js';
+ NETDATA.peity_js = NETDATA.serverDefault + 'lib/jquery.peity.min.js';
+ NETDATA.sparkline_js = NETDATA.serverDefault + 'lib/jquery.sparkline.min.js';
+ NETDATA.easypiechart_js = NETDATA.serverDefault + 'lib/jquery.easypiechart.min.js';
+ NETDATA.gauge_js = NETDATA.serverDefault + 'lib/gauge.min.js';
+ NETDATA.dygraph_js = NETDATA.serverDefault + 'lib/dygraph-combined.js';
+ NETDATA.dygraph_smooth_js = NETDATA.serverDefault + 'lib/dygraph-smooth-plotter.js';
+ NETDATA.raphael_js = NETDATA.serverDefault + 'lib/raphael-min.js';
+ NETDATA.morris_js = NETDATA.serverDefault + 'lib/morris.min.js';
+ NETDATA.d3_js = NETDATA.serverDefault + 'lib/d3.min.js';
+ NETDATA.c3_js = NETDATA.serverDefault + 'lib/c3.min.js';
+ NETDATA.c3_css = NETDATA.serverDefault + 'css/c3.min.css';
+ NETDATA.morris_css = NETDATA.serverDefault + 'css/morris.css';
+ NETDATA.google_js = 'https://www.google.com/jsapi';
+
+ NETDATA.themes = {
+ default: {
+ bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.min.css',
+ dashboard_css: NETDATA.serverDefault + 'dashboard.css',
+ background: '#FFFFFF',
+ foreground: '#000000',
+ grid: '#DDDDDD',
+ axis: '#CCCCCC',
+ colors: [ '#3366CC', '#DC3912', '#109618', '#FF9900', '#990099', '#DD4477',
+ '#3B3EAC', '#66AA00', '#0099C6', '#B82E2E', '#AAAA11', '#5574A6',
+ '#994499', '#22AA99', '#6633CC', '#E67300', '#316395', '#8B0707',
+ '#329262', '#3B3EAC' ],
+ easypiechart_track: '#f0f0f0',
+ easypiechart_scale: '#dfe0e0',
+ gauge_pointer: '#C0C0C0',
+ gauge_stroke: '#F0F0F0',
+ gauge_gradient: true
+ },
+ slate: {
+ bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.slate.min.css',
+ dashboard_css: NETDATA.serverDefault + 'dashboard.slate.css',
+ background: '#272b30',
+ foreground: '#C8C8C8',
+ grid: '#373b40',
+ axis: '#373b40',
+/* colors: [ '#55bb33', '#ff2222', '#0099C6', '#faa11b', '#adbce0', '#DDDD00',
+ '#4178ba', '#f58122', '#a5cc39', '#f58667', '#f5ef89', '#cf93c0',
+ '#a5d18a', '#b8539d', '#3954a3', '#c8a9cf', '#c7de8a', '#fad20a',
+ '#a6a479', '#a66da8' ],
+*/
+ colors: [ '#66AA00', '#FE3912', '#3366CC', '#D66300', '#0099C6', '#DDDD00',
+ '#3B3EAC', '#EE9911', '#BB44CC', '#C83E3E', '#990099', '#CC7700',
+ '#22AA99', '#109618', '#6633CC', '#DD4477', '#316395', '#8B0707',
+ '#329262', '#3B3EFF' ],
+ easypiechart_track: '#373b40',
+ easypiechart_scale: '#373b40',
+ gauge_pointer: '#474b50',
+ gauge_stroke: '#373b40',
+ gauge_gradient: false
+ }
};
- if(typeof netdataServer != 'undefined')
- NETDATA.serverDefault = netdataServer + "/";
+ if(typeof netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined')
+ NETDATA.themes.current = NETDATA.themes[netdataTheme];
else
- NETDATA.serverDefault = NETDATA._scriptSource();
-
- NETDATA.jQuery = NETDATA.serverDefault + 'lib/jquery-1.11.3.min.js';
- NETDATA.peity_js = NETDATA.serverDefault + 'lib/jquery.peity.min.js';
- NETDATA.sparkline_js = NETDATA.serverDefault + 'lib/jquery.sparkline.min.js';
- NETDATA.dygraph_js = NETDATA.serverDefault + 'lib/dygraph-combined.js';
- NETDATA.raphael_js = NETDATA.serverDefault + 'lib/raphael-min.js';
- NETDATA.morris_js = NETDATA.serverDefault + 'lib/morris.min.js';
- NETDATA.morris_css = NETDATA.serverDefault + 'css/morris.css';
- NETDATA.dashboard_css = NETDATA.serverDefault + 'dashboard.css';
- NETDATA.google_js = 'https://www.google.com/jsapi';
- NETDATA.colors = [ '#3366CC', '#DC3912', '#FF9900', '#109618', '#990099', '#3B3EAC', '#0099C6',
- '#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11',
- '#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ];
+ NETDATA.themes.current = NETDATA.themes.default;
+
+ NETDATA.colors = NETDATA.themes.current.colors;
+
+ // these are the colors Google Charts are using
+ // we have them here to attempt emulate their look and feel on the other chart libraries
+ // http://there4.io/2012/05/02/google-chart-color-list/
+ //NETDATA.colors = [ '#3366CC', '#DC3912', '#FF9900', '#109618', '#990099', '#3B3EAC', '#0099C6',
+ // '#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11',
+ // '#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ];
+
+ // an alternative set
+ // http://www.mulinblog.com/a-color-palette-optimized-for-data-visualization/
+ // (blue) (red) (orange) (green) (pink) (brown) (purple) (yellow) (gray)
+ //NETDATA.colors = [ '#5DA5DA', '#F15854', '#FAA43A', '#60BD68', '#F17CB0', '#B2912F', '#B276B2', '#DECF3F', '#4D4D4D' ];
// ----------------------------------------------------------------------------------------------------------------
// the defaults for all charts
+ // if the user does not specify any of these, the following will be used
+
NETDATA.chartDefaults = {
host: NETDATA.serverDefault, // the server to get data from
- width: '100%', // the chart width
- height: '100%', // the chart height
- min_width: 240, //
+ width: '100%', // the chart width - can be null
+ height: '100%', // the chart height - can be null
+ min_width: null, // the chart minimum width - can be null
library: 'dygraph', // the graphing library to use
- method: 'max', // the grouping method
+ method: 'average', // the grouping method
before: 0, // panning
after: -600, // panning
- pixels_per_point: 1 // the detail of the chart
- }
+ pixels_per_point: 1, // the detail of the chart
+ fill_luminance: 0.8 // luminance of colors in solit areas
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global options
NETDATA.options = {
- targets: null,
- updated_dom: 1,
- auto_refresher_fast_weight: 0,
- page_is_visible: 1,
- double_click_ms: 100,
- auto_refresher_stop_until: 0,
+ pauseCallback: null, // a callback when we are really paused
+
+ pause: false, // when enabled we don't auto-refresh the charts
+
+ targets: null, // an array of all the state objects that are
+ // currently active (independently of their
+ // viewport visibility)
+ updated_dom: true, // when true, the DOM has been updated with
+ // new elements we have to check.
+
+ auto_refresher_fast_weight: 0, // this is the current time in ms, spent
+ // rendering charts continiously.
+ // used with .current.fast_render_timeframe
+
+ page_is_visible: true, // when true, this page is visible
+
+ auto_refresher_stop_until: 0, // timestamp in ms - used internaly, to stop the
+ // auto-refresher for some time (when a chart is
+ // performing pan or zoom, we need to stop refreshing
+ // all other charts, to have the maximum speed for
+ // rendering the chart that is panned or zoomed).
+ // Used with .current.global_pan_sync_time
+
+ last_resized: new Date().getTime(), // the timestamp of the last resize request
+
+ crossDomainAjax: false, // enable this to request crossDomain AJAX
+
+ last_page_scroll: 0, // the timestamp the last time the page was scrolled
+
+ // the current profile
+ // we may have many...
current: {
- pixels_per_point: 1,
- idle_between_charts: 50,
- idle_between_loops: 200,
- idle_lost_focus: 500,
- global_pan_sync_time: 500,
- fast_render_timeframe: 200, // render continously for these many ms
- sync_delay: 1500 // how much time after an operation to setup synced selections?
+ pixels_per_point: 1, // the minimum pixels per point for all charts
+ // increase this to speed javascript up
+ // each chart library has its own limit too
+ // the max of this and the chart library is used
+ // the final is calculated every time, so a change
+ // here will have immediate effect on the next chart
+ // update
+
+ idle_between_charts: 100, // ms - how much time to wait between chart updates
+
+ fast_render_timeframe: 200, // ms - render continously until this time of continious
+ // rendering has been reached
+ // this setting is used to make it render e.g. 10
+ // charts at once, sleep idle_between_charts time
+ // and continue for another 10 charts.
+
+ idle_between_loops: 500, // ms - if all charts have been updated, wait this
+ // time before starting again.
+
+ idle_parallel_loops: 100, // ms - the time between parallel refresher updates
+
+ idle_lost_focus: 500, // ms - when the window does not have focus, check
+ // if focus has been regained, every this time
+
+ global_pan_sync_time: 1000, // ms - when you pan or zoon a chart, the background
+ // autorefreshing of charts is paused for this amount
+ // of time
+
+ sync_selection_delay: 1500, // ms - when you pan or zoom a chart, wait this amount
+ // of time before setting up synchronized selections
+ // on hover.
+
+ sync_selection: true, // enable or disable selection sync
+
+ pan_and_zoom_delay: 50, // when panning or zooming, how ofter to update the chart
+
+ sync_pan_and_zoom: true, // enable or disable pan and zoom sync
+
+ pan_and_zoom_data_padding: true, // fetch more data for the master chart when panning or zooming
+
+ update_only_visible: true, // enable or disable visibility management
+
+ parallel_refresher: true, // enable parallel refresh of charts
+
+ concurrent_refreshes: true, // when parallel_refresher is enabled, sync also the charts
+
+ destroy_on_hide: false, // destroy charts when they are not visible
+
+ show_help: true, // when enabled the charts will show some help
+ show_help_delay_show_ms: 500,
+ show_help_delay_hide_ms: 0,
+
+ eliminate_zero_dimensions: true, // do not show dimensions with just zeros
+
+ stop_updates_when_focus_is_lost: true, // boolean - shall we stop auto-refreshes when document does not have user focus
+ stop_updates_while_resizing: 1000, // ms - time to stop auto-refreshes while resizing the charts
+
+ double_click_speed: 500, // ms - time between clicks / taps to detect double click/tap
+
+ smooth_plot: true, // enable smooth plot, where possible
+
+ charts_selection_animation_delay: 50, // delay to animate charts when syncing selection
+
+ color_fill_opacity_line: 1.0,
+ color_fill_opacity_area: 0.2,
+ color_fill_opacity_stacked: 0.8,
+
+ pan_and_zoom_factor: 0.25, // the increment when panning and zooming with the toolbox
+ pan_and_zoom_factor_multiplier_control: 2.0,
+ pan_and_zoom_factor_multiplier_shift: 3.0,
+ pan_and_zoom_factor_multiplier_alt: 4.0,
+
+ setOptionCallback: function() { ; }
},
debug: {
- show_boxes: 0,
- main_loop: 0,
- focus: 0,
- visibility: 0,
- chart_data_url: 0,
- chart_errors: 0,
- chart_timing: 0,
- chart_calls: 0,
- dygraph: 0
+ show_boxes: false,
+ main_loop: false,
+ focus: false,
+ visibility: false,
+ chart_data_url: false,
+ chart_errors: false, // FIXME
+ chart_timing: false,
+ chart_calls: false,
+ libraries: false,
+ dygraph: false
+ }
+ };
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // local storage options
+
+ NETDATA.localStorage = {
+ default: {},
+ current: {},
+ callback: {} // only used for resetting back to defaults
+ };
+
+ NETDATA.localStorageGet = function(key, def, callback) {
+ var ret = def;
+
+ if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
+ NETDATA.localStorage.default[key.toString()] = def;
+ NETDATA.localStorage.callback[key.toString()] = callback;
+ }
+
+ if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
+ try {
+ // console.log('localStorage: loading "' + key.toString() + '"');
+ ret = localStorage.getItem(key.toString());
+ if(ret === null || ret === 'undefined') {
+ // console.log('localStorage: cannot load it, saving "' + key.toString() + '" with value "' + JSON.stringify(def) + '"');
+ localStorage.setItem(key.toString(), JSON.stringify(def));
+ ret = def;
+ }
+ else {
+ // console.log('localStorage: got "' + key.toString() + '" with value "' + ret + '"');
+ ret = JSON.parse(ret);
+ // console.log('localStorage: loaded "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
+ }
+ }
+ catch(error) {
+ console.log('localStorage: failed to read "' + key.toString() + '", using default: "' + def.toString() + '"');
+ ret = def;
+ }
+ }
+
+ if(typeof ret === 'undefined' || ret === 'undefined') {
+ console.log('localStorage: LOADED UNDEFINED "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
+ ret = def;
+ }
+
+ NETDATA.localStorage.current[key.toString()] = ret;
+ return ret;
+ };
+
+ NETDATA.localStorageSet = function(key, value, callback) {
+ if(typeof value === 'undefined' || value === 'undefined') {
+ console.log('localStorage: ATTEMPT TO SET UNDEFINED "' + key.toString() + '" as value ' + value + ' of type ' + typeof(value));
+ }
+
+ if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
+ NETDATA.localStorage.default[key.toString()] = value;
+ NETDATA.localStorage.current[key.toString()] = value;
+ NETDATA.localStorage.callback[key.toString()] = callback;
+ }
+
+ if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
+ // console.log('localStorage: saving "' + key.toString() + '" with value "' + JSON.stringify(value) + '"');
+ try {
+ localStorage.setItem(key.toString(), JSON.stringify(value));
+ }
+ catch(e) {
+ console.log('localStorage: failed to save "' + key.toString() + '" with value: "' + value.toString() + '"');
+ }
+ }
+
+ NETDATA.localStorage.current[key.toString()] = value;
+ return value;
+ };
+
+ NETDATA.localStorageGetRecursive = function(obj, prefix, callback) {
+ for(var i in obj) {
+ if(typeof obj[i] === 'object') {
+ //console.log('object ' + prefix + '.' + i.toString());
+ NETDATA.localStorageGetRecursive(obj[i], prefix + '.' + i.toString(), callback);
+ continue;
+ }
+
+ obj[i] = NETDATA.localStorageGet(prefix + '.' + i.toString(), obj[i], callback);
+ }
+ };
+
+ NETDATA.setOption = function(key, value) {
+ if(key.toString() === 'setOptionCallback') {
+ if(typeof NETDATA.options.current.setOptionCallback === 'function') {
+ NETDATA.options.current[key.toString()] = value;
+ NETDATA.options.current.setOptionCallback();
+ }
+ }
+ else if(NETDATA.options.current[key.toString()] !== value) {
+ var name = 'options.' + key.toString();
+
+ if(typeof NETDATA.localStorage.default[name.toString()] === 'undefined')
+ console.log('localStorage: setOption() on unsaved option: "' + name.toString() + '", value: ' + value);
+
+ //console.log(NETDATA.localStorage);
+ //console.log('setOption: setting "' + key.toString() + '" to "' + value + '" of type ' + typeof(value) + ' original type ' + typeof(NETDATA.options.current[key.toString()]));
+ //console.log(NETDATA.options);
+ NETDATA.options.current[key.toString()] = NETDATA.localStorageSet(name.toString(), value, null);
+
+ if(typeof NETDATA.options.current.setOptionCallback === 'function')
+ NETDATA.options.current.setOptionCallback();
+ }
+
+ return true;
+ };
+
+ NETDATA.getOption = function(key) {
+ return NETDATA.options.current[key.toString()];
+ };
+
+ // read settings from local storage
+ NETDATA.localStorageGetRecursive(NETDATA.options.current, 'options', null);
+
+ // always start with this option enabled.
+ NETDATA.setOption('stop_updates_when_focus_is_lost', true);
+
+ NETDATA.resetOptions = function() {
+ for(var i in NETDATA.localStorage.default) {
+ var a = i.split('.');
+
+ if(a[0] === 'options') {
+ if(a[1] === 'setOptionCallback') continue;
+ if(typeof NETDATA.localStorage.default[i] === 'undefined') continue;
+ if(NETDATA.options.current[i] === NETDATA.localStorage.default[i]) continue;
+
+ NETDATA.setOption(a[1], NETDATA.localStorage.default[i]);
+ }
+ else if(a[0] === 'chart_heights') {
+ if(typeof NETDATA.localStorage.callback[i] === 'function' && typeof NETDATA.localStorage.default[i] !== 'undefined') {
+ NETDATA.localStorage.callback[i](NETDATA.localStorage.default[i]);
+ }
+ }
}
}
- if(NETDATA.options.debug.main_loop) console.log('welcome to NETDATA');
+ // ----------------------------------------------------------------------------------------------------------------
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('welcome to NETDATA');
+
+ NETDATA.onresize = function() {
+ NETDATA.options.last_resized = new Date().getTime();
+ NETDATA.onscroll();
+ };
+
+ NETDATA.onscroll = function() {
+ // console.log('onscroll');
+ NETDATA.options.last_page_scroll = new Date().getTime();
+ if(NETDATA.options.targets === null) return;
+
+ // when the user scrolls he sees that we have
+ // hidden all the not-visible charts
+ // using this little function we try to switch
+ // the charts back to visible quickly
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) targets[len].isVisible();
+ };
+
+ window.onresize = NETDATA.onresize;
+ window.onscroll = NETDATA.onscroll;
// ----------------------------------------------------------------------------------------------------------------
// Error Handling
101: { message: "Cannot load jQuery", alert: true },
402: { message: "Chart library not found", alert: false },
403: { message: "Chart library not enabled/is failed", alert: false },
- 404: { message: "Chart not found", alert: false }
+ 404: { message: "Chart not found", alert: false },
+ 405: { message: "Cannot download charts index from server", alert: true },
+ 406: { message: "Invalid charts index downloaded from server", alert: true }
};
NETDATA.errorLast = {
code: 0,
console.log("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
- if(NETDATA.errorCodes[code].alert)
+ var ret = true;
+ if(typeof netdataErrorCallback === 'function') {
+ ret = netdataErrorCallback('system', code, msg);
+ }
+
+ if(ret && NETDATA.errorCodes[code].alert)
alert("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
- }
+ };
NETDATA.errorReset = function() {
NETDATA.errorLast.code = 0;
};
// ----------------------------------------------------------------------------------------------------------------
+ // Chart Registry
+
+ // When multiple charts need the same chart, we avoid downloading it
+ // multiple times (and having it in browser memory multiple time)
+ // by using this registry.
+
+ // Every time we download a chart definition, we save it here with .add()
+ // Then we try to get it back with .get(). If that fails, we download it.
NETDATA.chartRegistry = {
charts: {},
+ fixid: function(id) {
+ return id.replace(/:/g, "_").replace(/\//g, "_");
+ },
+
add: function(host, id, data) {
- host = host.replace(/:/g, "_").replace(/\//g, "_");
- id = id.replace(/:/g, "_").replace(/\//g, "_");
+ host = this.fixid(host);
+ id = this.fixid(id);
- if(typeof this.charts[host] == 'undefined')
+ if(typeof this.charts[host] === 'undefined')
this.charts[host] = {};
+ //console.log('added ' + host + '/' + id);
this.charts[host][id] = data;
},
get: function(host, id) {
- host = host.replace(/:/g, "_").replace(/\//g, "_");
- id = id.replace(/:/g, "_").replace(/\//g, "_");
+ host = this.fixid(host);
+ id = this.fixid(id);
- if(typeof this.charts[host] == 'undefined')
+ if(typeof this.charts[host] === 'undefined')
return null;
- if(typeof this.charts[host][id] == 'undefined')
+ if(typeof this.charts[host][id] === 'undefined')
return null;
+ //console.log('cached ' + host + '/' + id);
return this.charts[host][id];
+ },
+
+ downloadAll: function(host, callback) {
+ while(host.slice(-1) === '/')
+ host = host.substring(0, host.length - 1);
+
+ var self = this;
+
+ $.ajax({
+ url: host + '/api/v1/charts',
+ crossDomain: NETDATA.options.crossDomainAjax,
+ async: true,
+ cache: false
+ })
+ .done(function(data) {
+ if(data !== null) {
+ var h = NETDATA.chartRegistry.fixid(host);
+ self.charts[h] = data.charts;
+ }
+ else NETDATA.error(406, host + '/api/v1/charts');
+
+ if(typeof callback === 'function')
+ callback(data);
+ })
+ .fail(function() {
+ NETDATA.error(405, host + '/api/v1/charts');
+
+ if(typeof callback === 'function')
+ callback(null);
+ });
}
};
// ----------------------------------------------------------------------------------------------------------------
+ // Global Pan and Zoom on charts
+
+ // Using this structure are synchronize all the charts, so that
+ // when you pan or zoom one, all others are automatically refreshed
+ // to the same timespan.
NETDATA.globalPanAndZoom = {
- seq: 0,
- state: null,
- before_ms: null,
- after_ms: null,
- force_before_ms: null,
+ seq: 0, // timestamp ms
+ // every time a chart is panned or zoomed
+ // we set the timestamp here
+ // then we use it as a sequence number
+ // to find if other charts are syncronized
+ // to this timerange
+
+ master: null, // the master chart (state), to which all others
+ // are synchronized
+
+ force_before_ms: null, // the timespan to sync all other charts
force_after_ms: null,
+ // set a new master
setMaster: function(state, after, before) {
- if(this.state && this.state != state) this.state.resetChart();
+ if(NETDATA.options.current.sync_pan_and_zoom === false)
+ return;
+
+ if(this.master !== null && this.master !== state)
+ this.master.resetChart(true, true);
- this.state = state;
- this.seq = new Date().getTime();
+ var now = new Date().getTime();
+ this.master = state;
+ this.seq = now;
this.force_after_ms = after;
this.force_before_ms = before;
+ NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.global_pan_sync_time;
},
+
+ // clear the master
clearMaster: function() {
- if(this.state) {
- var state = this.state;
- this.state = null; // prevent infinite recursion
- this.seq = 0;
- state.resetChart();
- NETDATA.options.auto_refresher_stop_until = 0;
- }
- else {
- this.state = null;
- this.seq = 0;
+ if(this.master !== null) {
+ var st = this.master;
+ this.master = null;
+ st.resetChart();
}
+
+ this.master = null;
+ this.seq = 0;
+ this.force_after_ms = null;
+ this.force_before_ms = null;
+ NETDATA.options.auto_refresher_stop_until = 0;
+ },
+
+ // is the given state the master of the global
+ // pan and zoom sync?
+ isMaster: function(state) {
+ if(this.master === state) return true;
+ return false;
},
+
+ // are we currently have a global pan and zoom sync?
+ isActive: function() {
+ if(this.master !== null && this.force_before_ms !== null && this.force_after_ms !== null && this.seq !== 0) return true;
+ return false;
+ },
+
+ // check if a chart, other than the master
+ // needs to be refreshed, due to the global pan and zoom
shouldBeAutoRefreshed: function(state) {
- if(!this.state || !this.seq)
+ if(this.master === null || this.seq === 0)
return false;
- if(state.follows_global == this.seq)
+ //if(state.needsRecreation())
+ // return true;
+
+ if(state.tm.pan_and_zoom_seq === this.seq)
return false;
return true;
}
- }
+ };
// ----------------------------------------------------------------------------------------------------------------
- // Our state object, where all per-chart values are stored
+ // dimensions selection
- NETDATA.chartInitialState = function(element) {
- self = $(element);
-
- var state = {
- uuid: NETDATA.guid(), // GUID - a unique identifier for the chart
- id: self.data('netdata'), // string - the name of chart
-
- // the user given dimensions of the element
- width: self.data('width') || NETDATA.chartDefaults.width,
- height: self.data('height') || NETDATA.chartDefaults.height,
-
- // these are calculated every time the chart is refreshed
- calculated_width: 0,
- calculated_height: 0,
-
- // string - the netdata server URL, without any path
- host: self.data('host') || NETDATA.chartDefaults.host,
-
- // string - the grouping method requested by the user
- method: self.data('method') || NETDATA.chartDefaults.method,
-
- // the time-range requested by the user
- after: self.data('after') || NETDATA.chartDefaults.after,
- before: self.data('before') || NETDATA.chartDefaults.before,
-
- // the pixels per point requested by the user
- pixels_per_point: 1,
- points: self.data('points') || null,
-
- // the dimensions requested by the user
- dimensions: self.data('dimensions') || null,
-
- // the chart library requested by the user
- library_name: self.data('chart-library') || NETDATA.chartDefaults.library,
- library: null, // object - the chart library used
-
- element: element, // the element it is linked to
-
- chart_url: null, // string - the url to download chart info
- chart: null, // object - the chart as downloaded from the server
-
- downloaded_ms: 0, // milliseconds - the timestamp we downloaded the chart
- created_ms: 0, // boolean - the timestamp the chart was created
- validated: false, // boolean - has the chart been validated?
- enabled: true, // boolean - is the chart enabled for refresh?
- paused: false, // boolean - is the chart paused for any reason?
- selected: false, // boolean - is the chart shown a selection?
- debug: false,
- updates_counter: 0, // numeric - the number of refreshes made so far
-
- follows_global: 0,
-
- mode: null, // auto, pan, zoom
- auto: {
- name: 'auto',
- autorefresh: true,
- url: 'invalid://', // string - the last url used to update the chart
- last_updated_ms: 0, // milliseconds - the timestamp of last refresh
- view_update_every: 0, // milliseconds - the minimum acceptable refresh duration
- after_ms: 0, // milliseconds - the first timestamp of the data
- before_ms: 0, // milliseconds - the last timestamp of the data
- points: 0, // number - the number of points in the data
- data: null, // the last downloaded data
- force_before_ms: null,
- force_after_ms: null,
- requested_before_ms: null,
- requested_after_ms: null,
- first_entry_ms: null,
- last_entry_ms: null,
- },
- pan: {
- name: 'pan',
- autorefresh: false,
- url: 'invalid://', // string - the last url used to update the chart
- last_updated_ms: 0, // milliseconds - the timestamp of last refresh
- view_update_every: 0, // milliseconds - the minimum acceptable refresh duration
- after_ms: 0, // milliseconds - the first timestamp of the data
- before_ms: 0, // milliseconds - the last timestamp of the data
- points: 0, // number - the number of points in the data
- data: null, // the last downloaded data
- force_before_ms: null,
- force_after_ms: null,
- requested_before_ms: null,
- requested_after_ms: null,
- first_entry_ms: null,
- last_entry_ms: null,
- },
- zoom: {
- name: 'zoom',
- autorefresh: false,
- url: 'invalid://', // string - the last url used to update the chart
- last_updated_ms: 0, // milliseconds - the timestamp of last refresh
- view_update_every: 0, // milliseconds - the minimum acceptable refresh duration
- after_ms: 0, // milliseconds - the first timestamp of the data
- before_ms: 0, // milliseconds - the last timestamp of the data
- points: 0, // number - the number of points in the data
- data: null, // the last downloaded data
- force_before_ms: null,
- force_after_ms: null,
- requested_before_ms: null,
- requested_after_ms: null,
- first_entry_ms: null,
- last_entry_ms: null,
- },
- refresh_dt_ms: 0, // milliseconds - the time the last refresh took
- refresh_dt_element_name: self.data('dt-element-name') || null, // string - the element to print refresh_dt_ms
- refresh_dt_element: null,
+ // FIXME
+ // move color assignment to dimensions, here
- log: function(msg) {
- console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
- },
+ dimensionStatus = function(parent, label, name_div, value_div, color) {
+ this.enabled = false;
+ this.parent = parent;
+ this.label = label;
+ this.name_div = null;
+ this.value_div = null;
+ this.color = NETDATA.themes.current.foreground;
- setSelection: function(t) {
- if(typeof this.library.setSelection == 'function') {
- if(this.library.setSelection(this, t))
- this.selected = true;
- else
- this.selected = false;
- }
- else this.selected = true;
+ if(parent.selected_count > parent.unselected_count)
+ this.selected = true;
+ else
+ this.selected = false;
- if(this.selected && this.debug) this.log('selection set to ' + t.toString());
+ this.setOptions(name_div, value_div, color);
+ };
- return this.selected;
- },
+ dimensionStatus.prototype.invalidate = function() {
+ this.name_div = null;
+ this.value_div = null;
+ this.enabled = false;
+ };
- clearSelection: function() {
- if(this.selected) {
- if(typeof this.library.clearSelection == 'function') {
- if(this.library.clearSelection(this))
- this.selected = false;
- else
- this.selected = true;
+ dimensionStatus.prototype.setOptions = function(name_div, value_div, color) {
+ this.color = color;
+
+ if(this.name_div != name_div) {
+ this.name_div = name_div;
+ this.name_div.title = this.label;
+ this.name_div.style.color = this.color;
+ if(this.selected === false)
+ this.name_div.className = 'netdata-legend-name not-selected';
+ else
+ this.name_div.className = 'netdata-legend-name selected';
+ }
+
+ if(this.value_div != value_div) {
+ this.value_div = value_div;
+ this.value_div.title = this.label;
+ this.value_div.style.color = this.color;
+ if(this.selected === false)
+ this.value_div.className = 'netdata-legend-value not-selected';
+ else
+ this.value_div.className = 'netdata-legend-value selected';
+ }
+
+ this.enabled = true;
+ this.setHandler();
+ };
+
+ dimensionStatus.prototype.setHandler = function() {
+ if(this.enabled === false) return;
+
+ var ds = this;
+
+ // this.name_div.onmousedown = this.value_div.onmousedown = function(e) {
+ this.name_div.onclick = this.value_div.onclick = function(e) {
+ e.preventDefault();
+ if(ds.isSelected()) {
+ // this is selected
+ if(e.shiftKey === true || e.ctrlKey === true) {
+ // control or shift key is pressed -> unselect this (except is none will remain selected, in which case select all)
+ ds.unselect();
+
+ if(ds.parent.countSelected() === 0)
+ ds.parent.selectAll();
+ }
+ else {
+ // no key is pressed -> select only this (except if it is the only selected already, in which case select all)
+ if(ds.parent.countSelected() === 1) {
+ ds.parent.selectAll();
}
- else this.selected = false;
-
- if(!this.selected && this.debug) this.log('selection cleared');
+ else {
+ ds.parent.selectNone();
+ ds.select();
+ }
+ }
+ }
+ else {
+ // this is not selected
+ if(e.shiftKey === true || e.ctrlKey === true) {
+ // control or shift key is pressed -> select this too
+ ds.select();
+ }
+ else {
+ // no key is pressed -> select only this
+ ds.parent.selectNone();
+ ds.select();
}
+ }
- return this.selected;
- },
+ ds.parent.state.redrawChart();
+ }
+ };
- timeIsVisible: function(t) {
- if(t >= this.mode.after_ms && t <= this.mode.before_ms)
- return true;
- return false;
- },
+ dimensionStatus.prototype.select = function() {
+ if(this.enabled === false) return;
- calculateRowForTime: function(t) {
- if(!this.timeIsVisible(t)) return -1;
+ this.name_div.className = 'netdata-legend-name selected';
+ this.value_div.className = 'netdata-legend-value selected';
+ this.selected = true;
+ };
- var r = Math.floor((t - this.mode.after_ms) / this.mode.view_update_every);
- // console.log(this.mode.data);
+ dimensionStatus.prototype.unselect = function() {
+ if(this.enabled === false) return;
- return r;
- },
+ this.name_div.className = 'netdata-legend-name not-selected';
+ this.value_div.className = 'netdata-legend-value hidden';
+ this.selected = false;
+ };
- pauseChart: function() {
- if(!this.paused) {
- if(this.debug) this.log('paused');
- this.paused = true;
- }
- },
+ dimensionStatus.prototype.isSelected = function() {
+ return(this.enabled === true && this.selected === true);
+ };
- unpauseChart: function() {
- if(this.paused) {
- if(this.debug) this.log('unpaused');
- this.paused = false;
- }
- },
+ // ----------------------------------------------------------------------------------------------------------------
+
+ dimensionsVisibility = function(state) {
+ this.state = state;
+ this.len = 0;
+ this.dimensions = {};
+ this.selected_count = 0;
+ this.unselected_count = 0;
+ };
- resetChart: function() {
- if(NETDATA.globalPanAndZoom.state == this)
- NETDATA.globalPanAndZoom.clearMaster();
+ dimensionsVisibility.prototype.dimensionAdd = function(label, name_div, value_div, color) {
+ if(typeof this.dimensions[label] === 'undefined') {
+ this.len++;
+ this.dimensions[label] = new dimensionStatus(this, label, name_div, value_div, color);
+ }
+ else
+ this.dimensions[label].setOptions(name_div, value_div, color);
- if(state.mode.name != 'auto')
- this.setMode('auto');
+ return this.dimensions[label];
+ };
- this.mode.force_before_ms = null;
- this.mode.force_after_ms = null;
- this.mode.last_updated_ms = 0;
- this.follows_global = 0;
- this.paused = false;
- this.selected = false;
- this.enabled = true;
- this.debug = false;
+ dimensionsVisibility.prototype.dimensionGet = function(label) {
+ return this.dimensions[label];
+ };
- state.updateChart();
- },
+ dimensionsVisibility.prototype.invalidateAll = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].invalidate();
+ };
- setMode: function(m) {
- if(this.mode) {
- if(this.mode.name == m) return;
-
- this[m].url = this.mode.url;
- this[m].last_updated_ms = this.mode.last_updated_ms;
- this[m].view_update_every = this.mode.view_update_every;
- this[m].after_ms = this.mode.after_ms;
- this[m].before_ms = this.mode.before_ms;
- this[m].points = this.mode.points;
- this[m].data = this.mode.data;
- this[m].requested_before_ms = this.mode.requested_before_ms;
- this[m].requested_after_ms = this.mode.requested_after_ms;
- this[m].first_entry_ms = this.mode.first_entry_ms;
- this[m].last_entry_ms = this.mode.last_entry_ms;
- }
+ dimensionsVisibility.prototype.selectAll = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].select();
+ };
- if(m == 'auto')
- this.mode = this.auto;
- else if(m == 'pan')
- this.mode = this.pan;
- else if(m == 'zoom')
- this.mode = this.zoom;
- else
- this.mode = this.auto;
+ dimensionsVisibility.prototype.countSelected = function() {
+ var i = 0;
+ for(var d in this.dimensions)
+ if(this.dimensions[d].isSelected()) i++;
- this.mode.force_before_ms = null;
- this.mode.force_after_ms = null;
+ return i;
+ };
- if(this.debug) this.log('mode set to ' + this.mode.name);
- },
+ dimensionsVisibility.prototype.selectNone = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].unselect();
+ };
- _minPanOrZoomStep: function() {
- return (((this.mode.before_ms - this.mode.after_ms) / this.mode.points) * ((this.mode.points * 5 / 100) + 1) );
- // return this.mode.view_update_every * 10;
- },
+ dimensionsVisibility.prototype.selected2BooleanArray = function(array) {
+ var ret = new Array();
+ this.selected_count = 0;
+ this.unselected_count = 0;
+
+ for(var i = 0, len = array.length; i < len ; i++) {
+ var ds = this.dimensions[array[i]];
+ if(typeof ds === 'undefined') {
+ // console.log(array[i] + ' is not found');
+ ret.push(false);
+ continue;
+ }
- _shouldBeMoved: function(old_after, old_before, new_after, new_before) {
- var dt_after = Math.abs(old_after - new_after);
- var dt_before = Math.abs(old_before - new_before);
- var old_range = old_before - old_after;
+ if(ds.isSelected()) {
+ ret.push(true);
+ this.selected_count++;
+ }
+ else {
+ ret.push(false);
+ this.unselected_count++;
+ }
+ }
- var new_range = new_before - new_after;
- var dt = Math.abs(old_range - new_range);
- var step = Math.max(dt_after, dt_before, dt);
+ if(this.selected_count === 0 && this.unselected_count !== 0) {
+ this.selectAll();
+ return this.selected2BooleanArray(array);
+ }
- var min_step = this._minPanOrZoomStep();
- if(new_range < old_range && new_range / this.calculated_width < 100) {
- if(this.debug) this.log('_shouldBeMoved(' + (new_after / 1000).toString() + ' - ' + (new_before / 1000).toString() + '): minimum point size: 0.10, wanted point size: ' + (new_range / this.calculated_width / 1000).toString() + ': TOO SMALL RANGE');
- return false;
- }
+ return ret;
+ };
- if(step >= min_step) {
- if(this.debug) this.log('_shouldBeMoved(' + (new_after / 1000).toString() + ' - ' + (new_before / 1000).toString() + '): minimum step: ' + (min_step / 1000).toString() + ', this step: ' + (step / 1000).toString() + ': YES');
- return true;
- }
- else {
- if(this.debug) this.log('_shouldBeMoved(' + (new_after / 1000).toString() + ' - ' + (new_before / 1000).toString() + '): minimum step: ' + (min_step / 1000).toString() + ', this step: ' + (step / 1000).toString() + ': NO');
- return false;
- }
- },
- updateChartPanOrZoom: function(after, before, callback) {
- var move = false;
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
- if(this.mode.name == 'auto') {
- if(this.debug) this.log('updateChartPanOrZoom(): caller did not set proper mode');
- this.setMode('pan');
- }
-
- if(!this.mode.force_after_ms || !this.mode.force_before_ms) {
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): INIT');
- move = true;
- }
- else if(this._shouldBeMoved(this.mode.force_after_ms, this.mode.force_before_ms, after, before) && this._shouldBeMoved(this.mode.after_ms, this.mode.before_ms, after, before)) {
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): FORCE CHANGE from ' + (this.mode.force_after_ms / 1000).toString() + ' - ' + (this.mode.force_before_ms / 1000).toString());
- move = true;
- }
- else if(this._shouldBeMoved(this.mode.requested_after_ms, this.mode.requested_before_ms, after, before) && this._shouldBeMoved(this.mode.after_ms, this.mode.before_ms, after, before)) {
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): REQUESTED CHANGE from ' + (this.mode.requested_after_ms / 1000).toString() + ' - ' + (this.mode.requested_before_ms / 1000).toString());
- move = true;
- }
+ NETDATA.globalSelectionSync = {
+ state: null,
+ dont_sync_before: 0,
+ last_t: 0,
+ slaves: [],
+
+ stop: function() {
+ if(this.state !== null)
+ this.state.globalSelectionSyncStop();
+ },
+
+ delay: function() {
+ if(this.state !== null) {
+ this.state.globalSelectionSyncDelay();
+ }
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Our state object, where all per-chart values are stored
+
+ chartState = function(element) {
+ var self = $(element);
+ this.element = element;
+
+ // IMPORTANT:
+ // all private functions should use 'that', instead of 'this'
+ var that = this;
+
+ /* error() - private
+ * show an error instead of the chart
+ */
+ var error = function(msg) {
+ var ret = true;
+
+ if(typeof netdataErrorCallback === 'function') {
+ ret = netdataErrorCallback('chart', that.id, msg);
+ }
+
+ if(ret) {
+ that.element.innerHTML = that.id + ': ' + msg;
+ that.enabled = false;
+ that.current = that.pan;
+ }
+ };
+
+ // GUID - a unique identifier for the chart
+ this.uuid = NETDATA.guid();
+
+ // string - the name of chart
+ this.id = self.data('netdata');
+
+ // string - the key for localStorage settings
+ this.settings_id = self.data('id') || null;
+
+ // the user given dimensions of the element
+ this.width = self.data('width') || NETDATA.chartDefaults.width;
+ this.height = self.data('height') || NETDATA.chartDefaults.height;
+
+ if(this.settings_id !== null) {
+ this.height = NETDATA.localStorageGet('chart_heights.' + this.settings_id, this.height, function(height) {
+ // this is the callback that will be called
+ // if and when the user resets all localStorage variables
+ // to their defaults
+
+ resizeChartToHeight(height);
+ });
+ }
+
+ // string - the netdata server URL, without any path
+ this.host = self.data('host') || NETDATA.chartDefaults.host;
+
+ // make sure the host does not end with /
+ // all netdata API requests use absolute paths
+ while(this.host.slice(-1) === '/')
+ this.host = this.host.substring(0, this.host.length - 1);
+
+ // string - the grouping method requested by the user
+ this.method = self.data('method') || NETDATA.chartDefaults.method;
+
+ // the time-range requested by the user
+ this.after = self.data('after') || NETDATA.chartDefaults.after;
+ this.before = self.data('before') || NETDATA.chartDefaults.before;
+
+ // the pixels per point requested by the user
+ this.pixels_per_point = self.data('pixels-per-point') || 1;
+ this.points = self.data('points') || null;
+
+ // the dimensions requested by the user
+ this.dimensions = self.data('dimensions') || null;
+
+ // the chart library requested by the user
+ this.library_name = self.data('chart-library') || NETDATA.chartDefaults.library;
+
+ // object - the chart library used
+ this.library = null;
+
+ // color management
+ this.colors = null;
+ this.colors_assigned = {};
+ this.colors_available = null;
+
+ // the element already created by the user
+ this.element_message = null;
+
+ // the element with the chart
+ this.element_chart = null;
+
+ // the element with the legend of the chart (if created by us)
+ this.element_legend = null;
+ this.element_legend_childs = {
+ hidden: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ nano: null,
+ nano_options: null,
+ series: null
+ };
+
+ this.chart_url = null; // string - the url to download chart info
+ this.chart = null; // object - the chart as downloaded from the server
+
+ this.title = self.data('title') || null; // the title of the chart
+ this.units = self.data('units') || null; // the units of the chart dimensions
+ this.append_options = self.data('append-options') || null; // the units of the chart dimensions
+
+ this.validated = false; // boolean - has the chart been validated?
+ this.enabled = true; // boolean - is the chart enabled for refresh?
+ this.paused = false; // boolean - is the chart paused for any reason?
+ this.selected = false; // boolean - is the chart shown a selection?
+ this.debug = false; // boolean - console.log() debug info about this chart
+
+ this.netdata_first = 0; // milliseconds - the first timestamp in netdata
+ this.netdata_last = 0; // milliseconds - the last timestamp in netdata
+ this.requested_after = null; // milliseconds - the timestamp of the request after param
+ this.requested_before = null; // milliseconds - the timestamp of the request before param
+ this.requested_padding = null;
+ this.view_after = 0;
+ this.view_before = 0;
+
+ this.auto = {
+ name: 'auto',
+ autorefresh: true,
+ force_update_at: 0, // the timestamp to force the update at
+ force_before_ms: null,
+ force_after_ms: null
+ };
+ this.pan = {
+ name: 'pan',
+ autorefresh: false,
+ force_update_at: 0, // the timestamp to force the update at
+ force_before_ms: null,
+ force_after_ms: null
+ };
+ this.zoom = {
+ name: 'zoom',
+ autorefresh: false,
+ force_update_at: 0, // the timestamp to force the update at
+ force_before_ms: null,
+ force_after_ms: null
+ };
+
+ // this is a pointer to one of the sub-classes below
+ // auto, pan, zoom
+ this.current = this.auto;
+
+ // check the requested library is available
+ // we don't initialize it here - it will be initialized when
+ // this chart will be first used
+ if(typeof NETDATA.chartLibraries[that.library_name] === 'undefined') {
+ NETDATA.error(402, that.library_name);
+ error('chart library "' + that.library_name + '" is not found');
+ return;
+ }
+ else if(NETDATA.chartLibraries[that.library_name].enabled === false) {
+ NETDATA.error(403, that.library_name);
+ error('chart library "' + that.library_name + '" is not enabled');
+ return;
+ }
+ else
+ that.library = NETDATA.chartLibraries[that.library_name];
+
+ // milliseconds - the time the last refresh took
+ this.refresh_dt_ms = 0;
+
+ // if we need to report the rendering speed
+ // find the element that needs to be updated
+ var refresh_dt_element_name = self.data('dt-element-name') || null; // string - the element to print refresh_dt_ms
+
+ if(refresh_dt_element_name !== null)
+ this.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null;
+ else
+ this.refresh_dt_element = null;
+
+ this.dimensions_visibility = new dimensionsVisibility(this);
+
+ this._updating = false;
+
+ // ============================================================================================================
+ // PRIVATE FUNCTIONS
+
+ var createDOM = function() {
+ if(that.enabled === false) return;
+
+ if(that.element_message !== null) that.element_message.innerHTML = '';
+ if(that.element_legend !== null) that.element_legend.innerHTML = '';
+ if(that.element_chart !== null) that.element_chart.innerHTML = '';
+
+ that.element.innerHTML = '';
+
+ that.element_message = document.createElement('div');
+ that.element_message.className = ' netdata-message hidden';
+ that.element.appendChild(that.element_message);
+
+ that.element_chart = document.createElement('div');
+ that.element_chart.id = that.library_name + '-' + that.uuid + '-chart';
+ that.element.appendChild(that.element_chart);
+
+ if(that.hasLegend() === true) {
+ that.element.className = "netdata-container-with-legend";
+ that.element_chart.className = 'netdata-chart-with-legend-right netdata-' + that.library_name + '-chart-with-legend-right';
+
+ that.element_legend = document.createElement('div');
+ that.element_legend.className = 'netdata-chart-legend netdata-' + that.library_name + '-legend';
+ that.element.appendChild(that.element_legend);
+ }
+ else {
+ that.element.className = "netdata-container";
+ that.element_chart.className = ' netdata-chart netdata-' + that.library_name + '-chart';
+
+ that.element_legend = null;
+ }
+ that.element_legend_childs.series = null;
+
+ if(typeof(that.width) === 'string')
+ $(that.element).css('width', that.width);
+ else if(typeof(that.width) === 'number')
+ $(that.element).css('width', that.width + 'px');
+
+ if(typeof(that.library.aspect_ratio) === 'undefined') {
+ if(typeof(that.height) === 'string')
+ $(that.element).css('height', that.height);
+ else if(typeof(that.height) === 'number')
+ $(that.element).css('height', that.height + 'px');
+ }
+ else {
+ var w = that.element.offsetWidth;
+ if(w === null || w === 0) {
+ // the div is hidden
+ // this is resize the chart when next viewed
+ that.tm.last_resized = 0;
+ }
+ else
+ $(that.element).css('height', (that.element.offsetWidth * that.library.aspect_ratio / 100).toString() + 'px');
+ }
+
+ if(NETDATA.chartDefaults.min_width !== null)
+ $(that.element).css('min-width', NETDATA.chartDefaults.min_width);
+
+ that.tm.last_dom_created = new Date().getTime();
+
+ showLoading();
+ };
+
+ /* init() private
+ * initialize state variables
+ * destroy all (possibly) created state elements
+ * create the basic DOM for a chart
+ */
+ var init = function() {
+ if(that.enabled === false) return;
+
+ that.paused = false;
+ that.selected = false;
+
+ that.chart_created = false; // boolean - is the library.create() been called?
+ that.updates_counter = 0; // numeric - the number of refreshes made so far
+ that.updates_since_last_unhide = 0; // numeric - the number of refreshes made since the last time the chart was unhidden
+ that.updates_since_last_creation = 0; // numeric - the number of refreshes made since the last time the chart was created
+
+ that.tm = {
+ last_initialized: 0, // milliseconds - the timestamp it was last initialized
+ last_dom_created: 0, // milliseconds - the timestamp its DOM was last created
+ last_mode_switch: 0, // milliseconds - the timestamp it switched modes
+
+ last_info_downloaded: 0, // milliseconds - the timestamp we downloaded the chart
+ last_updated: 0, // the timestamp the chart last updated with data
+ pan_and_zoom_seq: 0, // the sequence number of the global synchronization
+ // between chart.
+ // Used with NETDATA.globalPanAndZoom.seq
+ last_visible_check: 0, // the time we last checked if it is visible
+ last_resized: 0, // the time the chart was resized
+ last_hidden: 0, // the time the chart was hidden
+ last_unhidden: 0, // the time the chart was unhidden
+ last_autorefreshed: 0 // the time the chart was last refreshed
+ };
+
+ that.data = null; // the last data as downloaded from the netdata server
+ that.data_url = 'invalid://'; // string - the last url used to update the chart
+ that.data_points = 0; // number - the number of points returned from netdata
+ that.data_after = 0; // milliseconds - the first timestamp of the data
+ that.data_before = 0; // milliseconds - the last timestamp of the data
+ that.data_update_every = 0; // milliseconds - the frequency to update the data
+
+ that.tm.last_initialized = new Date().getTime();
+ createDOM();
+
+ that.setMode('auto');
+ };
+
+ var maxMessageFontSize = function() {
+ // normally we want a font size, as tall as the element
+ var h = that.element_message.clientHeight;
+
+ // but give it some air, 20% let's say, or 5 pixels min
+ var lost = Math.max(h * 0.2, 5);
+ h -= lost;
+
+ // center the text, verically
+ var paddingTop = (lost - 5) / 2;
+
+ // but check the width too
+ // it should fit 10 characters in it
+ var w = that.element_message.clientWidth / 10;
+ if(h > w) {
+ paddingTop += (h - w) / 2;
+ h = w;
+ }
+
+ // and don't make it too huge
+ // 5% of the screen size is good
+ if(h > screen.height / 20) {
+ paddingTop += (h - (screen.height / 20)) / 2;
+ h = screen.height / 20;
+ }
+
+ // set it
+ that.element_message.style.fontSize = h.toString() + 'px';
+ that.element_message.style.paddingTop = paddingTop.toString() + 'px';
+ };
+
+ var showMessage = function(msg) {
+ that.element_message.className = 'netdata-message';
+ that.element_message.innerHTML = msg;
+ that.element_message.style.fontSize = 'x-small';
+ that.element_message.style.paddingTop = '0px';
+ that.___messageHidden___ = undefined;
+ };
+
+ var showMessageIcon = function(icon) {
+ that.element_message.innerHTML = icon;
+ that.element_message.className = 'netdata-message icon';
+ maxMessageFontSize();
+ that.___messageHidden___ = undefined;
+ };
+
+ var hideMessage = function() {
+ if(typeof that.___messageHidden___ === 'undefined') {
+ that.___messageHidden___ = true;
+ that.element_message.className = 'netdata-message hidden';
+ }
+ };
+
+ var showRendering = function() {
+ var icon;
+ if(that.chart !== null) {
+ if(that.chart.chart_type === 'line')
+ icon = '<i class="fa fa-line-chart"></i>';
+ else
+ icon = '<i class="fa fa-area-chart"></i>';
+ }
+ else
+ icon = '<i class="fa fa-area-chart"></i>';
+
+ showMessageIcon(icon + ' netdata');
+ };
+
+ var showLoading = function() {
+ if(that.chart_created === false) {
+ showMessageIcon('<i class="fa fa-refresh"></i> netdata');
+ return true;
+ }
+ return false;
+ };
+
+ var isHidden = function() {
+ if(typeof that.___chartIsHidden___ !== 'undefined')
+ return true;
+
+ return false;
+ };
+
+ // hide the chart, when it is not visible - called from isVisible()
+ var hideChart = function() {
+ // hide it, if it is not already hidden
+ if(isHidden() === true) return;
+
+ if(that.chart_created === true) {
+ // we should destroy it
+ if(NETDATA.options.current.destroy_on_hide === true) {
+ init();
+ }
+ else {
+ showRendering();
+ that.element_chart.style.display = 'none';
+ if(that.element_legend !== null) that.element_legend.style.display = 'none';
+ that.tm.last_hidden = new Date().getTime();
+ }
+ }
+
+ that.___chartIsHidden___ = true;
+ };
+
+ // unhide the chart, when it is visible - called from isVisible()
+ var unhideChart = function() {
+ if(isHidden() === false) return;
+
+ that.___chartIsHidden___ = undefined;
+ that.updates_since_last_unhide = 0;
+
+ if(that.chart_created === false) {
+ // we need to re-initialize it, to show our background
+ // logo in bootstrap tabs, until the chart loads
+ init();
+ }
+ else {
+ that.tm.last_unhidden = new Date().getTime();
+ that.element_chart.style.display = '';
+ if(that.element_legend !== null) that.element_legend.style.display = '';
+ resizeChart();
+ hideMessage();
+ }
+ };
+
+ var canBeRendered = function() {
+ if(isHidden() === true || that.isVisible(true) === false)
+ return false;
+
+ return true;
+ };
+
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryUpdateSafely = function(data) {
+ var status;
+
+ if(canBeRendered() === false)
+ return false;
+
+ if(NETDATA.options.debug.chart_errors === true)
+ status = that.library.update(that, data);
+ else {
+ try {
+ status = that.library.update(that, data);
+ }
+ catch(err) {
+ status = false;
+ }
+ }
+
+ if(status === false) {
+ error('chart failed to be updated as ' + that.library_name);
+ return false;
+ }
+
+ return true;
+ };
+
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryCreateSafely = function(data) {
+ var status;
+
+ if(canBeRendered() === false)
+ return false;
+
+ if(NETDATA.options.debug.chart_errors === true)
+ status = that.library.create(that, data);
+ else {
+ try {
+ status = that.library.create(that, data);
+ }
+ catch(err) {
+ status = false;
+ }
+ }
+
+ if(status === false) {
+ error('chart failed to be created as ' + that.library_name);
+ return false;
+ }
+
+ that.chart_created = true;
+ that.updates_since_last_creation = 0;
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Chart Resize
+
+ // resizeChart() - private
+ // to be called just before the chart library to make sure that
+ // a properly sized dom is available
+ var resizeChart = function() {
+ if(that.isVisible() === true && that.tm.last_resized < NETDATA.options.last_resized) {
+ if(that.chart_created === false) return;
+
+ if(that.needsRecreation()) {
+ init();
+ }
+ else if(typeof that.library.resize === 'function') {
+ that.library.resize(that);
+
+ if(that.element_legend_childs.nano !== null && that.element_legend_childs.nano_options !== null)
+ $(that.element_legend_childs.nano).nanoScroller();
+
+ maxMessageFontSize();
+ }
+
+ that.tm.last_resized = new Date().getTime();
+ }
+ };
+
+ // this is the actual chart resize algorithm
+ // it will:
+ // - resize the entire container
+ // - update the internal states
+ // - resize the chart as the div changes height
+ // - update the scrollbar of the legend
+ var resizeChartToHeight = function(h) {
+ // console.log(h);
+ that.element.style.height = h;
+
+ if(that.settings_id !== null)
+ NETDATA.localStorageSet('chart_heights.' + that.settings_id, h);
+
+ var now = new Date().getTime();
+ NETDATA.options.last_page_scroll = now;
+ NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.stop_updates_while_resizing;
+
+ // force a resize
+ that.tm.last_resized = 0;
+ resizeChart();
+ };
+
+ this.resizeHandler = function(e) {
+ e.preventDefault();
+
+ if(typeof this.event_resize === 'undefined'
+ || this.event_resize.chart_original_w === 'undefined'
+ || this.event_resize.chart_original_h === 'undefined')
+ this.event_resize = {
+ chart_original_w: this.element.clientWidth,
+ chart_original_h: this.element.clientHeight,
+ last: 0
+ };
+
+ if(e.type === 'touchstart') {
+ this.event_resize.mouse_start_x = e.touches.item(0).pageX;
+ this.event_resize.mouse_start_y = e.touches.item(0).pageY;
+ }
+ else {
+ this.event_resize.mouse_start_x = e.clientX;
+ this.event_resize.mouse_start_y = e.clientY;
+ }
+
+ this.event_resize.chart_start_w = this.element.clientWidth;
+ this.event_resize.chart_start_h = this.element.clientHeight;
+ this.event_resize.chart_last_w = this.element.clientWidth;
+ this.event_resize.chart_last_h = this.element.clientHeight;
+
+ var now = new Date().getTime();
+ if(now - this.event_resize.last <= NETDATA.options.current.double_click_speed) {
+ // double click / double tap event
+
+ // the optimal height of the chart
+ // showing the entire legend
+ var optimal = this.event_resize.chart_last_h
+ + this.element_legend_childs.content.scrollHeight
+ - this.element_legend_childs.content.clientHeight;
+
+ // if we are not optimal, be optimal
+ if(this.event_resize.chart_last_h != optimal)
+ resizeChartToHeight(optimal.toString() + 'px');
+
+ // else if we do not have the original height
+ // reset to the original height
+ else if(this.event_resize.chart_last_h != this.event_resize.chart_original_h)
+ resizeChartToHeight(this.event_resize.chart_original_h.toString() + 'px');
+ }
+ else {
+ this.event_resize.last = now;
+
+ // process movement event
+ document.onmousemove =
+ document.ontouchmove =
+ this.element_legend_childs.resize_handler.onmousemove =
+ this.element_legend_childs.resize_handler.ontouchmove =
+ function(e) {
+ var y = null;
+
+ switch(e.type) {
+ case 'mousemove': y = e.clientY; break;
+ case 'touchmove': y = e.touches.item(e.touches - 1).pageY; break;
+ }
+
+ if(y !== null) {
+ var newH = that.event_resize.chart_start_h + y - that.event_resize.mouse_start_y;
+
+ if(newH >= 70 && newH !== that.event_resize.chart_last_h) {
+ resizeChartToHeight(newH.toString() + 'px');
+ that.event_resize.chart_last_h = newH;
+ }
+ }
+ };
+
+ // process end event
+ document.onmouseup =
+ document.ontouchend =
+ this.element_legend_childs.resize_handler.onmouseup =
+ this.element_legend_childs.resize_handler.ontouchend =
+ function(e) {
+ // remove all the hooks
+ document.onmouseup =
+ document.onmousemove =
+ document.ontouchmove =
+ document.ontouchend =
+ that.element_legend_childs.resize_handler.onmousemove =
+ that.element_legend_childs.resize_handler.ontouchmove =
+ that.element_legend_childs.resize_handler.onmouseout =
+ that.element_legend_childs.resize_handler.onmouseup =
+ that.element_legend_childs.resize_handler.ontouchend =
+ null;
+
+ // allow auto-refreshes
+ NETDATA.options.auto_refresher_stop_until = 0;
+ };
+ }
+ };
+
+
+ var noDataToShow = function() {
+ showMessageIcon('<i class="fa fa-warning"></i> empty');
+ that.legendUpdateDOM();
+ that.tm.last_autorefreshed = new Date().getTime();
+ // that.data_update_every = 30 * 1000;
+ //that.element_chart.style.display = 'none';
+ //if(that.element_legend !== null) that.element_legend.style.display = 'none';
+ //that.___chartIsHidden___ = true;
+ };
+
+ // ============================================================================================================
+ // PUBLIC FUNCTIONS
+
+ this.error = function(msg) {
+ error(msg);
+ };
+
+ this.setMode = function(m) {
+ if(this.current !== null && this.current.name === m) return;
+
+ if(m === 'auto')
+ this.current = this.auto;
+ else if(m === 'pan')
+ this.current = this.pan;
+ else if(m === 'zoom')
+ this.current = this.zoom;
+ else
+ this.current = this.auto;
+
+ this.current.force_update_at = 0;
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+
+ this.tm.last_mode_switch = new Date().getTime();
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
+
+ // prevent to global selection sync for some time
+ this.globalSelectionSyncDelay = function(ms) {
+ if(NETDATA.options.current.sync_selection === false)
+ return;
+
+ if(typeof ms === 'number')
+ NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + ms;
+ else
+ NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_selection_delay;
+ };
+
+ // can we globally apply selection sync?
+ this.globalSelectionSyncAbility = function() {
+ if(NETDATA.options.current.sync_selection === false)
+ return false;
+
+ if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime())
+ return false;
+
+ return true;
+ };
+
+ this.globalSelectionSyncIsMaster = function() {
+ if(NETDATA.globalSelectionSync.state === this)
+ return true;
+ else
+ return false;
+ };
+
+ // this chart is the master of the global selection sync
+ this.globalSelectionSyncBeMaster = function() {
+ // am I the master?
+ if(this.globalSelectionSyncIsMaster()) {
+ if(this.debug === true)
+ this.log('sync: I am the master already.');
+
+ return;
+ }
+
+ if(NETDATA.globalSelectionSync.state) {
+ if(this.debug === true)
+ this.log('sync: I am not the sync master. Resetting global sync.');
+
+ this.globalSelectionSyncStop();
+ }
+
+ // become the master
+ if(this.debug === true)
+ this.log('sync: becoming sync master.');
+
+ this.selected = true;
+ NETDATA.globalSelectionSync.state = this;
+
+ // find the all slaves
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) {
+ st = targets[len];
+
+ if(st === this) {
+ if(this.debug === true)
+ st.log('sync: not adding me to sync');
+ }
+ else if(st.globalSelectionSyncIsEligible()) {
+ if(this.debug === true)
+ st.log('sync: adding to sync as slave');
+
+ st.globalSelectionSyncBeSlave();
+ }
+ }
+
+ // this.globalSelectionSyncDelay(100);
+ };
+
+ // can the chart participate to the global selection sync as a slave?
+ this.globalSelectionSyncIsEligible = function() {
+ if(this.enabled === true
+ && this.library !== null
+ && typeof this.library.setSelection === 'function'
+ && this.isVisible() === true
+ && this.chart_created === true)
+ return true;
+
+ return false;
+ };
+
+ // this chart becomes a slave of the global selection sync
+ this.globalSelectionSyncBeSlave = function() {
+ if(NETDATA.globalSelectionSync.state !== this)
+ NETDATA.globalSelectionSync.slaves.push(this);
+ };
+
+ // sync all the visible charts to the given time
+ // this is to be called from the chart libraries
+ this.globalSelectionSync = function(t) {
+ if(this.globalSelectionSyncAbility() === false) {
+ if(this.debug === true)
+ this.log('sync: cannot sync (yet?).');
+
+ return;
+ }
+
+ if(this.globalSelectionSyncIsMaster() === false) {
+ if(this.debug === true)
+ this.log('sync: trying to be sync master.');
+
+ this.globalSelectionSyncBeMaster();
+
+ if(this.globalSelectionSyncAbility() === false) {
+ if(this.debug === true)
+ this.log('sync: cannot sync (yet?).');
+
+ return;
+ }
+ }
+
+ NETDATA.globalSelectionSync.last_t = t;
+ $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+ st.setSelection(t);
+ });
+ };
+
+ // stop syncing all charts to the given time
+ this.globalSelectionSyncStop = function() {
+ if(NETDATA.globalSelectionSync.slaves.length) {
+ if(this.debug === true)
+ this.log('sync: cleaning up...');
+
+ $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+ if(st === that) {
+ if(that.debug === true)
+ st.log('sync: not adding me to sync stop');
+ }
+ else {
+ if(that.debug === true)
+ st.log('sync: removed slave from sync');
+
+ st.clearSelection();
+ }
+ });
+
+ NETDATA.globalSelectionSync.last_t = 0;
+ NETDATA.globalSelectionSync.slaves = [];
+ NETDATA.globalSelectionSync.state = null;
+ }
+
+ this.clearSelection();
+ };
+
+ this.setSelection = function(t) {
+ if(typeof this.library.setSelection === 'function') {
+ if(this.library.setSelection(this, t) === true)
+ this.selected = true;
+ else
+ this.selected = false;
+ }
+ else this.selected = true;
+
+ if(this.selected === true && this.debug === true)
+ this.log('selection set to ' + t.toString());
+
+ return this.selected;
+ };
+
+ this.clearSelection = function() {
+ if(this.selected === true) {
+ if(typeof this.library.clearSelection === 'function') {
+ if(this.library.clearSelection(this) === true)
+ this.selected = false;
+ else
+ this.selected = true;
+ }
+ else this.selected = false;
+
+ if(this.selected === false && this.debug === true)
+ this.log('selection cleared');
+
+ this.legendReset();
+ }
+
+ return this.selected;
+ };
+
+ // find if a timestamp (ms) is shown in the current chart
+ this.timeIsVisible = function(t) {
+ if(t >= this.data_after && t <= this.data_before)
+ return true;
+ return false;
+ };
+
+ this.calculateRowForTime = function(t) {
+ if(this.timeIsVisible(t) === false) return -1;
+ return Math.floor((t - this.data_after) / this.data_update_every);
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ // console logging
+ this.log = function(msg) {
+ console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
+ };
+
+ this.pauseChart = function() {
+ if(this.paused === false) {
+ if(this.debug === true)
+ this.log('pauseChart()');
+
+ this.paused = true;
+ }
+ };
+
+ this.unpauseChart = function() {
+ if(this.paused === true) {
+ if(this.debug === true)
+ this.log('unpauseChart()');
+
+ this.paused = false;
+ }
+ };
+
+ this.resetChart = function(dont_clear_master, dont_update) {
+ if(this.debug === true)
+ this.log('resetChart(' + dont_clear_master + ', ' + dont_update + ') called');
+
+ if(typeof dont_clear_master === 'undefined')
+ dont_clear_master = false;
+
+ if(typeof dont_update === 'undefined')
+ dont_update = false;
+
+ if(dont_clear_master !== true && NETDATA.globalPanAndZoom.isMaster(this) === true) {
+ if(this.debug === true)
+ this.log('resetChart() diverting to clearMaster().');
+ // this will call us back with master === true
+ NETDATA.globalPanAndZoom.clearMaster();
+ return;
+ }
+
+ this.clearSelection();
+
+ this.tm.pan_and_zoom_seq = 0;
+
+ this.setMode('auto');
+ this.current.force_update_at = 0;
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+ this.tm.last_autorefreshed = 0;
+ this.paused = false;
+ this.selected = false;
+ this.enabled = true;
+ // this.debug = false;
+
+ // do not update the chart here
+ // or the chart will flip-flop when it is the master
+ // of a selection sync and another chart becomes
+ // the new master
+
+ if(dont_update !== true && this.isVisible() === true) {
+ this.updateChart();
+ }
+ };
+
+ this.updateChartPanOrZoom = function(after, before) {
+ var logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): ';
+ var ret = true;
+
+ if(this.debug === true)
+ this.log(logme);
+
+ if(before < after) {
+ if(this.debug === true)
+ this.log(logme + 'flipped parameters, rejecting it.');
+
+ return false;
+ }
+
+ if(typeof this.fixed_min_duration === 'undefined')
+ this.fixed_min_duration = Math.round((this.chartWidth() / 30) * this.chart.update_every * 1000);
+
+ var min_duration = this.fixed_min_duration;
+ var current_duration = Math.round(this.view_before - this.view_after);
+
+ // round the numbers
+ after = Math.round(after);
+ before = Math.round(before);
+
+ // align them to update_every
+ // stretching them further away
+ after -= after % this.data_update_every;
+ before += this.data_update_every - (before % this.data_update_every);
+
+ // the final wanted duration
+ var wanted_duration = before - after;
+
+ // to allow panning, accept just a point below our minimum
+ if((current_duration - this.data_update_every) < min_duration)
+ min_duration = current_duration - this.data_update_every;
+
+ // we do it, but we adjust to minimum size and return false
+ // when the wanted size is below the current and the minimum
+ // and we zoom
+ if(wanted_duration < current_duration && wanted_duration < min_duration) {
+ if(this.debug === true)
+ this.log(logme + 'too small: min_duration: ' + (min_duration / 1000).toString() + ', wanted: ' + (wanted_duration / 1000).toString());
+
+ min_duration = this.fixed_min_duration;
+
+ var dt = (min_duration - wanted_duration) / 2;
+ before += dt;
+ after -= dt;
+ wanted_duration = before - after;
+ ret = false;
+ }
+
+ var tolerance = this.data_update_every * 2;
+ var movement = Math.abs(before - this.view_before);
+
+ if(Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance && ret === true) {
+ if(this.debug === true)
+ this.log(logme + 'REJECTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + false);
+ return false;
+ }
+
+ if(this.current.name === 'auto') {
+ this.log(logme + 'caller called me with mode: ' + this.current.name);
+ this.setMode('pan');
+ }
+
+ if(this.debug === true)
+ this.log(logme + 'ACCEPTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + ret);
+
+ this.current.force_update_at = new Date().getTime() + NETDATA.options.current.pan_and_zoom_delay;
+ this.current.force_after_ms = after;
+ this.current.force_before_ms = before;
+ NETDATA.globalPanAndZoom.setMaster(this, after, before);
+ return ret;
+ };
+
+ this.legendFormatValue = function(value) {
+ if(value === null || value === 'undefined') return '-';
+ if(typeof value !== 'number') return value;
+
+ var abs = Math.abs(value);
+ if(abs >= 1000) return (Math.round(value)).toLocaleString();
+ if(abs >= 100 ) return (Math.round(value * 10) / 10).toLocaleString();
+ if(abs >= 1 ) return (Math.round(value * 100) / 100).toLocaleString();
+ if(abs >= 0.1 ) return (Math.round(value * 1000) / 1000).toLocaleString();
+ return (Math.round(value * 10000) / 10000).toLocaleString();
+ };
+
+ this.legendSetLabelValue = function(label, value) {
+ var series = this.element_legend_childs.series[label];
+ if(typeof series === 'undefined') return;
+ if(series.value === null && series.user === null) return;
+
+ // if the value has not changed, skip DOM update
+ //if(series.last === value) return;
+
+ var s, r;
+ if(typeof value === 'number') {
+ var v = Math.abs(value);
+ s = r = this.legendFormatValue(value);
+
+ if(typeof series.last === 'number') {
+ if(v > series.last) s += '<i class="fa fa-angle-up" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else if(v < series.last) s += '<i class="fa fa-angle-down" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else s += '<i class="fa fa-angle-left" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ }
+ else s += '<i class="fa fa-angle-right" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ series.last = v;
+ }
+ else {
+ s = r = value;
+ series.last = value;
+ }
+
+ if(series.value !== null) series.value.innerHTML = s;
+ if(series.user !== null) series.user.innerHTML = r;
+ };
+
+ this.legendSetDate = function(ms) {
+ if(typeof ms !== 'number') {
+ this.legendShowUndefined();
+ return;
+ }
+
+ var d = new Date(ms);
+
+ if(this.element_legend_childs.title_date)
+ this.element_legend_childs.title_date.innerHTML = d.toLocaleDateString();
+
+ if(this.element_legend_childs.title_time)
+ this.element_legend_childs.title_time.innerHTML = d.toLocaleTimeString();
+
+ if(this.element_legend_childs.title_units)
+ this.element_legend_childs.title_units.innerHTML = this.units;
+ };
+
+ this.legendShowUndefined = function() {
+ if(this.element_legend_childs.title_date)
+ this.element_legend_childs.title_date.innerHTML = ' ';
+
+ if(this.element_legend_childs.title_time)
+ this.element_legend_childs.title_time.innerHTML = this.chart.name;
+
+ if(this.element_legend_childs.title_units)
+ this.element_legend_childs.title_units.innerHTML = ' ';
+
+ if(this.data && this.element_legend_childs.series !== null) {
+ var labels = this.data.dimension_names;
+ var i = labels.length;
+ while(i--) {
+ var label = labels[i];
+
+ if(typeof label === 'undefined') continue;
+ if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+ this.legendSetLabelValue(label, null);
+ }
+ }
+ };
+
+ this.legendShowLatestValues = function() {
+ if(this.chart === null) return;
+ if(this.selected) return;
+
+ if(this.data === null || this.element_legend_childs.series === null) {
+ this.legendShowUndefined();
+ return;
+ }
+
+ var show_undefined = true;
+ if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every)
+ show_undefined = false;
+
+ if(show_undefined) {
+ this.legendShowUndefined();
+ return;
+ }
+
+ this.legendSetDate(this.view_before);
+
+ var labels = this.data.dimension_names;
+ var i = labels.length;
+ while(i--) {
+ var label = labels[i];
+
+ if(typeof label === 'undefined') continue;
+ if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+
+ if(show_undefined)
+ this.legendSetLabelValue(label, null);
+ else
+ this.legendSetLabelValue(label, this.data.view_latest_values[i]);
+ }
+ };
+
+ this.legendReset = function() {
+ this.legendShowLatestValues();
+ };
+
+ // this should be called just ONCE per dimension per chart
+ this._chartDimensionColor = function(label) {
+ if(this.colors === null) this.chartColors();
+
+ if(typeof this.colors_assigned[label] === 'undefined') {
+ if(this.colors_available.length === 0) {
+ for(var i = 0, len = NETDATA.themes.current.colors.length; i < len ; i++)
+ this.colors_available.push(NETDATA.themes.current.colors[i]);
+ }
+
+ this.colors_assigned[label] = this.colors_available.shift();
+
+ if(this.debug === true)
+ this.log('label "' + label + '" got color "' + this.colors_assigned[label]);
+ }
+ else {
+ if(this.debug === true)
+ this.log('label "' + label + '" already has color "' + this.colors_assigned[label] + '"');
+ }
+
+ this.colors.push(this.colors_assigned[label]);
+ return this.colors_assigned[label];
+ };
+
+ this.chartColors = function() {
+ if(this.colors !== null) return this.colors;
+
+ this.colors = new Array();
+ this.colors_available = new Array();
+ var i, len;
+
+ var c = $(this.element).data('colors');
+ // this.log('read colors: ' + c);
+ if(typeof c !== 'undefined' && c !== null && c.length > 0) {
+ if(typeof c !== 'string') {
+ this.log('invalid color given: ' + c + ' (give a space separated list of colors)');
+ }
+ else {
+ c = c.split(' ');
+ var added = 0;
+
+ while(added < 20) {
+ for(i = 0, len = c.length; i < len ; i++) {
+ added++;
+ this.colors_available.push(c[i]);
+ // this.log('adding color: ' + c[i]);
+ }
+ }
+ }
+ }
+
+ // push all the standard colors too
+ for(i = 0, len = NETDATA.themes.current.colors.length; i < len ; i++)
+ this.colors_available.push(NETDATA.themes.current.colors[i]);
+
+ return this.colors;
+ };
+
+ this.legendUpdateDOM = function() {
+ var needed = false;
+
+ // check that the legend DOM is up to date for the downloaded dimensions
+ if(typeof this.element_legend_childs.series !== 'object' || this.element_legend_childs.series === null) {
+ // this.log('the legend does not have any series - requesting legend update');
+ needed = true;
+ }
+ else if(this.data === null) {
+ // this.log('the chart does not have any data - requesting legend update');
+ needed = true;
+ }
+ else if(typeof this.element_legend_childs.series.labels_key === 'undefined') {
+ needed = true;
+ }
+ else {
+ var labels = this.data.dimension_names.toString();
+ if(labels !== this.element_legend_childs.series.labels_key) {
+ needed = true;
+
+ if(this.debug === true)
+ this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"');
+ }
+ }
+
+ if(needed === false) {
+ // make sure colors available
+ this.chartColors();
+
+ // do we have to update the current values?
+ // we do this, only when the visible chart is current
+ if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every) {
+ if(this.debug === true)
+ this.log('chart is in latest position... updating values on legend...');
+
+ //var labels = this.data.dimension_names;
+ //var i = labels.length;
+ //while(i--)
+ // this.legendSetLabelValue(labels[i], this.data.latest_values[i]);
+ }
+ return;
+ }
+ if(this.colors === null) {
+ // this is the first time we update the chart
+ // let's assign colors to all dimensions
+ if(this.library.track_colors() === true)
+ for(var dim in this.chart.dimensions)
+ this._chartDimensionColor(this.chart.dimensions[dim].name);
+ }
+ // we will re-generate the colors for the chart
+ // based on the selected dimensions
+ this.colors = null;
+
+ if(this.debug === true)
+ this.log('updating Legend DOM');
+
+ // mark all dimensions as invalid
+ this.dimensions_visibility.invalidateAll();
+
+ var genLabel = function(state, parent, name, count) {
+ var color = state._chartDimensionColor(name);
+
+ var user_element = null;
+ var user_id = self.data('show-value-of-' + name + '-at') || null;
+ if(user_id !== null) {
+ user_element = document.getElementById(user_id) || null;
+ if(user_element === null)
+ state.log('Cannot find element with id: ' + user_id);
+ }
+
+ state.element_legend_childs.series[name] = {
+ name: document.createElement('span'),
+ value: document.createElement('span'),
+ user: user_element,
+ last: null
+ };
+
+ var label = state.element_legend_childs.series[name];
+
+ // create the dimension visibility tracking for this label
+ state.dimensions_visibility.dimensionAdd(name, label.name, label.value, color);
+
+ var rgb = NETDATA.colorHex2Rgb(color);
+ label.name.innerHTML = '<table class="netdata-legend-name-table-'
+ + state.chart.chart_type
+ + '" style="background-color: '
+ + 'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + NETDATA.options.current['color_fill_opacity_' + state.chart.chart_type] + ')'
+ + '"><tr class="netdata-legend-name-tr"><td class="netdata-legend-name-td"></td></tr></table>'
+
+ var text = document.createTextNode(' ' + name);
+ label.name.appendChild(text);
+
+ if(count > 0)
+ parent.appendChild(document.createElement('br'));
+
+ parent.appendChild(label.name);
+ parent.appendChild(label.value);
+ };
+
+ var content = document.createElement('div');
+
+ if(this.hasLegend()) {
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: document.createElement('div'),
+ toolbox: document.createElement('div'),
+ toolbox_left: document.createElement('div'),
+ toolbox_right: document.createElement('div'),
+ toolbox_reset: document.createElement('div'),
+ toolbox_zoomin: document.createElement('div'),
+ toolbox_zoomout: document.createElement('div'),
+ toolbox_volume: document.createElement('div'),
+ title_date: document.createElement('span'),
+ title_time: document.createElement('span'),
+ title_units: document.createElement('span'),
+ nano: document.createElement('div'),
+ nano_options: {
+ paneClass: 'netdata-legend-series-pane',
+ sliderClass: 'netdata-legend-series-slider',
+ contentClass: 'netdata-legend-series-content',
+ enabledClass: '__enabled',
+ flashedClass: '__flashed',
+ activeClass: '__active',
+ tabIndex: -1,
+ alwaysVisible: true,
+ sliderMinHeight: 10
+ },
+ series: {}
+ };
+
+ this.element_legend.innerHTML = '';
+
+ if(this.library.toolboxPanAndZoom !== null) {
+
+ function get_pan_and_zoom_step(event) {
+ if (event.ctrlKey)
+ return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_control;
+
+ else if (event.shiftKey)
+ return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_shift;
+
+ else if (event.altKey)
+ return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_alt;
+
+ else
+ return NETDATA.options.current.pan_and_zoom_factor;
+ }
+
+ this.element_legend_childs.toolbox.className += ' netdata-legend-toolbox';
+ this.element.appendChild(this.element_legend_childs.toolbox);
+
+ this.element_legend_childs.toolbox_left.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_left.innerHTML = '<i class="fa fa-backward"></i>';
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_left);
+ this.element_legend_childs.toolbox_left.onclick = function(e) {
+ e.preventDefault();
+
+ var step = (that.view_before - that.view_after) * get_pan_and_zoom_step(e);
+ var before = that.view_before - step;
+ var after = that.view_after - step;
+ if(after >= that.netdata_first)
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_left).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Pan Left',
+ content: 'Pan the chart to the left. You can also <b>drag it</b> with your mouse or your finger (on touch devices).<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+
+ this.element_legend_childs.toolbox_reset.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_reset.innerHTML = '<i class="fa fa-play"></i>';
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_reset);
+ this.element_legend_childs.toolbox_reset.onclick = function(e) {
+ e.preventDefault();
+ NETDATA.resetAllCharts(that);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_reset).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Chart Reset',
+ content: 'Reset all the charts to their default auto-refreshing state. You can also <b>double click</b> the chart contents with your mouse or your finger (on touch devices).<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+ this.element_legend_childs.toolbox_right.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_right.innerHTML = '<i class="fa fa-forward"></i>';
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_right);
+ this.element_legend_childs.toolbox_right.onclick = function(e) {
+ e.preventDefault();
+ var step = (that.view_before - that.view_after) * get_pan_and_zoom_step(e);
+ var before = that.view_before + step;
+ var after = that.view_after + step;
+ if(before <= that.netdata_last)
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_right).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Pan Right',
+ content: 'Pan the chart to the right. You can also <b>drag it</b> with your mouse or your finger (on touch devices).<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+
+ this.element_legend_childs.toolbox_zoomin.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_zoomin.innerHTML = '<i class="fa fa-plus"></i>';
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomin);
+ this.element_legend_childs.toolbox_zoomin.onclick = function(e) {
+ e.preventDefault();
+ var dt = ((that.view_before - that.view_after) * (get_pan_and_zoom_step(e) * 0.8) / 2);
+ var before = that.view_before - dt;
+ var after = that.view_after + dt;
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_zoomin).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Chart Zoom In',
+ content: 'Zoom in the chart. You can also press SHIFT and select an area of the chart to zoom in. On Chrome and Opera, you can press the SHIFT or the ALT keys and then use the mouse wheel to zoom in or out.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+ this.element_legend_childs.toolbox_zoomout.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_zoomout.innerHTML = '<i class="fa fa-minus"></i>';
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomout);
+ this.element_legend_childs.toolbox_zoomout.onclick = function(e) {
+ e.preventDefault();
+ var dt = (((that.view_before - that.view_after) / (1.0 - (get_pan_and_zoom_step(e) * 0.8)) - (that.view_before - that.view_after)) / 2);
+ var before = that.view_before + dt;
+ var after = that.view_after - dt;
+
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_zoomout).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Chart Zoom Out',
+ content: 'Zoom out the chart. On Chrome and Opera, you can also press the SHIFT or the ALT keys and then use the mouse wheel to zoom in or out.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+ //this.element_legend_childs.toolbox_volume.className += ' netdata-legend-toolbox-button';
+ //this.element_legend_childs.toolbox_volume.innerHTML = '<i class="fa fa-sort-amount-desc"></i>';
+ //this.element_legend_childs.toolbox_volume.title = 'Visible Volume';
+ //this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_volume);
+ //this.element_legend_childs.toolbox_volume.onclick = function(e) {
+ //e.preventDefault();
+ //alert('clicked toolbox_volume on ' + that.id);
+ //}
+ }
+ else {
+ this.element_legend_childs.toolbox = null;
+ this.element_legend_childs.toolbox_left = null;
+ this.element_legend_childs.toolbox_reset = null;
+ this.element_legend_childs.toolbox_right = null;
+ this.element_legend_childs.toolbox_zoomin = null;
+ this.element_legend_childs.toolbox_zoomout = null;
+ this.element_legend_childs.toolbox_volume = null;
+ }
+
+ this.element_legend_childs.resize_handler.className += " netdata-legend-resize-handler";
+ this.element_legend_childs.resize_handler.innerHTML = '<i class="fa fa-chevron-up"></i><i class="fa fa-chevron-down"></i>';
+ this.element.appendChild(this.element_legend_childs.resize_handler);
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.resize_handler).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Chart Resize',
+ content: 'Drag this point with your mouse or your finger (on touch devices), to resize the chart vertically. You can also <b>double click it</b> or <b>double tap it</b> to reset between 2 states: the default and the one that fits all the values.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+ // mousedown event
+ this.element_legend_childs.resize_handler.onmousedown =
+ function(e) {
+ that.resizeHandler(e);
+ };
+
+ // touchstart event
+ this.element_legend_childs.resize_handler.addEventListener('touchstart', function(e) {
+ that.resizeHandler(e);
+ }, false);
+
+ this.element_legend_childs.title_date.className += " netdata-legend-title-date";
+ this.element_legend.appendChild(this.element_legend_childs.title_date);
+
+ this.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.title_time.className += " netdata-legend-title-time";
+ this.element_legend.appendChild(this.element_legend_childs.title_time);
+
+ this.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.title_units.className += " netdata-legend-title-units";
+ this.element_legend.appendChild(this.element_legend_childs.title_units);
+
+ this.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.nano.className = 'netdata-legend-series';
+ this.element_legend.appendChild(this.element_legend_childs.nano);
+
+ content.className = 'netdata-legend-series-content';
+ this.element_legend_childs.nano.appendChild(content);
+
+ if(NETDATA.options.current.show_help === true)
+ $(content).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ title: 'Chart Legend',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ content: 'You can click or tap on the values or the labels to select dimentions. By pressing SHIFT or CONTROL, you can enable or disable multiple dimensions.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+ }
+ else {
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: null,
+ toolbox: null,
+ toolbox_left: null,
+ toolbox_right: null,
+ toolbox_reset: null,
+ toolbox_zoomin: null,
+ toolbox_zoomout: null,
+ toolbox_volume: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ nano: null,
+ nano_options: null,
+ series: {}
+ };
+ }
+
+ if(this.data) {
+ this.element_legend_childs.series.labels_key = this.data.dimension_names.toString();
+ if(this.debug === true)
+ this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"');
+
+ for(var i = 0, len = this.data.dimension_names.length; i < len ;i++) {
+ genLabel(this, content, this.data.dimension_names[i], i);
+ }
+ }
+ else {
+ var tmp = new Array();
+ for(var dim in this.chart.dimensions) {
+ tmp.push(this.chart.dimensions[dim].name);
+ genLabel(this, content, this.chart.dimensions[dim].name, i);
+ }
+ this.element_legend_childs.series.labels_key = tmp.toString();
+ if(this.debug === true)
+ this.log('labels from chart: "' + this.element_legend_childs.series.labels_key + '"');
+ }
+
+ // create a hidden div to be used for hidding
+ // the original legend of the chart library
+ var el = document.createElement('div');
+ if(this.element_legend !== null)
+ this.element_legend.appendChild(el);
+ el.style.display = 'none';
+
+ this.element_legend_childs.hidden = document.createElement('div');
+ el.appendChild(this.element_legend_childs.hidden);
+
+ if(this.element_legend_childs.nano !== null && this.element_legend_childs.nano_options !== null)
+ $(this.element_legend_childs.nano).nanoScroller(this.element_legend_childs.nano_options);
+
+ this.legendShowLatestValues();
+ };
+
+ this.hasLegend = function() {
+ if(typeof this.___hasLegendCache___ !== 'undefined')
+ return this.___hasLegendCache___;
+
+ var leg = false;
+ if(this.library && this.library.legend(this) === 'right-side') {
+ var legend = $(this.element).data('legend') || 'yes';
+ if(legend === 'yes') leg = true;
+ }
+
+ this.___hasLegendCache___ = leg;
+ return leg;
+ };
+
+ this.legendWidth = function() {
+ return (this.hasLegend())?140:0;
+ };
+
+ this.legendHeight = function() {
+ return $(this.element).height();
+ };
+
+ this.chartWidth = function() {
+ return $(this.element).width() - this.legendWidth();
+ };
+
+ this.chartHeight = function() {
+ return $(this.element).height();
+ };
+
+ this.chartPixelsPerPoint = function() {
+ // force an options provided detail
+ var px = this.pixels_per_point;
+
+ if(this.library && px < this.library.pixels_per_point(this))
+ px = this.library.pixels_per_point(this);
+
+ if(px < NETDATA.options.current.pixels_per_point)
+ px = NETDATA.options.current.pixels_per_point;
+
+ return px;
+ };
+
+ this.needsRecreation = function() {
+ return (
+ this.chart_created === true
+ && this.library
+ && this.library.autoresize() === false
+ && this.tm.last_resized < NETDATA.options.last_resized
+ );
+ };
+
+ this.chartURL = function() {
+ var after, before, points_multiplier = 1;
+ if(NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(this) === false) {
+ this.tm.pan_and_zoom_seq = NETDATA.globalPanAndZoom.seq;
+
+ after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000);
+ before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000);
+ this.view_after = after * 1000;
+ this.view_before = before * 1000;
+
+ this.requested_padding = null;
+ points_multiplier = 1;
+ }
+ else if(this.current.force_before_ms !== null && this.current.force_after_ms !== null) {
+ this.tm.pan_and_zoom_seq = 0;
+
+ before = Math.round(this.current.force_before_ms / 1000);
+ after = Math.round(this.current.force_after_ms / 1000);
+ this.view_after = after * 1000;
+ this.view_before = before * 1000;
+
+ if(NETDATA.options.current.pan_and_zoom_data_padding === true) {
+ this.requested_padding = Math.round((before - after) / 2);
+ after -= this.requested_padding;
+ before += this.requested_padding;
+ this.requested_padding *= 1000;
+ points_multiplier = 2;
+ }
+
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+ }
+ else {
+ this.tm.pan_and_zoom_seq = 0;
+
+ before = this.before;
+ after = this.after;
+ this.view_after = after * 1000;
+ this.view_before = before * 1000;
+
+ this.requested_padding = null;
+ points_multiplier = 1;
+ }
+
+ this.requested_after = after * 1000;
+ this.requested_before = before * 1000;
+
+ this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+
+ // build the data URL
+ this.data_url = this.host + this.chart.data_url;
+ this.data_url += "&format=" + this.library.format();
+ this.data_url += "&points=" + (this.data_points * points_multiplier).toString();
+ this.data_url += "&group=" + this.method;
+ this.data_url += "&options=" + this.library.options(this);
+ this.data_url += '|jsonwrap';
+
+ if(NETDATA.options.current.eliminate_zero_dimensions === true)
+ this.data_url += '|nonzero';
+
+ if(this.append_options !== null)
+ this.data_url += '|' + this.append_options.toString();
+
+ if(after)
+ this.data_url += "&after=" + after.toString();
+
+ if(before)
+ this.data_url += "&before=" + before.toString();
+
+ if(this.dimensions)
+ this.data_url += "&dimensions=" + this.dimensions;
+
+ if(NETDATA.options.debug.chart_data_url === true || this.debug === true)
+ this.log('chartURL(): ' + this.data_url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + this.data_points + ' library: ' + this.library_name);
+ };
+
+ this.redrawChart = function() {
+ if(this.data !== null)
+ this.updateChartWithData(this.data);
+ };
+
+ this.updateChartWithData = function(data) {
+ if(this.debug === true)
+ this.log('updateChartWithData() called.');
+
+ this._updating = false;
+
+ // this may force the chart to be re-created
+ resizeChart();
+
+ this.data = data;
+ this.updates_counter++;
+ this.updates_since_last_unhide++;
+ this.updates_since_last_creation++;
+
+ var started = new Date().getTime();
+
+ // if the result is JSON, find the latest update-every
+ this.data_update_every = data.view_update_every * 1000;
+ this.data_after = data.after * 1000;
+ this.data_before = data.before * 1000;
+ this.netdata_first = data.first_entry * 1000;
+ this.netdata_last = data.last_entry * 1000;
+ this.data_points = data.points;
+ data.state = this;
+
+ if(NETDATA.options.current.pan_and_zoom_data_padding === true && this.requested_padding !== null) {
+ if(this.view_after < this.data_after) {
+ // console.log('adusting view_after from ' + this.view_after + ' to ' + this.data_after);
+ this.view_after = this.data_after;
+ }
+
+ if(this.view_before > this.data_before) {
+ // console.log('adusting view_before from ' + this.view_before + ' to ' + this.data_before);
+ this.view_before = this.data_before;
+ }
+ }
+ else {
+ this.view_after = this.data_after;
+ this.view_before = this.data_before;
+ }
+
+ if(this.debug === true) {
+ this.log('UPDATE No ' + this.updates_counter + ' COMPLETED');
+
+ if(this.current.force_after_ms)
+ this.log('STATUS: forced : ' + (this.current.force_after_ms / 1000).toString() + ' - ' + (this.current.force_before_ms / 1000).toString());
+ else
+ this.log('STATUS: forced : unset');
+
+ this.log('STATUS: requested : ' + (this.requested_after / 1000).toString() + ' - ' + (this.requested_before / 1000).toString());
+ this.log('STATUS: downloaded: ' + (this.data_after / 1000).toString() + ' - ' + (this.data_before / 1000).toString());
+ this.log('STATUS: rendered : ' + (this.view_after / 1000).toString() + ' - ' + (this.view_before / 1000).toString());
+ this.log('STATUS: points : ' + (this.data_points).toString());
+ }
+
+ if(this.data_points === 0) {
+ noDataToShow();
+ return;
+ }
+
+ if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
+ if(this.debug === true)
+ this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
+
+ this.chart_created = false;
+ }
+
+ // check and update the legend
+ this.legendUpdateDOM();
+
+ if(this.chart_created === true
+ && typeof this.library.update === 'function') {
+
+ if(this.debug === true)
+ this.log('updating chart...');
+
+ if(callChartLibraryUpdateSafely(data) === false)
+ return;
+ }
+ else {
+ if(this.debug === true)
+ this.log('creating chart...');
+
+ if(callChartLibraryCreateSafely(data) === false)
+ return;
+ }
+ hideMessage();
+ this.legendShowLatestValues();
+ if(this.selected === true)
+ NETDATA.globalSelectionSync.stop();
+
+ // update the performance counters
+ var now = new Date().getTime();
+ this.tm.last_updated = now;
+
+ // don't update last_autorefreshed if this chart is
+ // forced to be updated with global PanAndZoom
+ if(NETDATA.globalPanAndZoom.isActive())
+ this.tm.last_autorefreshed = 0;
+ else {
+ if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes)
+ this.tm.last_autorefreshed = Math.round(now / this.data_update_every) * this.data_update_every;
+ else
+ this.tm.last_autorefreshed = now;
+ }
+
+ this.refresh_dt_ms = now - started;
+ NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
+
+ if(this.refresh_dt_element !== null)
+ this.refresh_dt_element.innerHTML = this.refresh_dt_ms.toString();
+ };
+
+ this.updateChart = function(callback) {
+ if(this.debug === true)
+ this.log('updateChart() called.');
- if(move) {
- var now = new Date().getTime();
- NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.global_pan_sync_time;
- NETDATA.globalPanAndZoom.setMaster(this, after, before);
+ if(this._updating === true) {
+ if(this.debug === true)
+ this.log('I am already updating...');
- this.mode.force_after_ms = after;
- this.mode.force_before_ms = before;
- this.updateChart(callback);
- return true;
- }
+ if(typeof callback === 'function') callback();
+ return false;
+ }
+
+ // due to late initialization of charts and libraries
+ // we need to check this too
+ if(this.enabled === false) {
+ if(this.debug === true)
+ this.log('I am not enabled');
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): IGNORE');
- if(typeof callback != 'undefined') callback();
+ if(typeof callback === 'function') callback();
return false;
- },
+ }
- updateChart: function(callback) {
- if(!this.library || !this.library.enabled) {
- this.error('charting library "' + this.library_name + '" is not available');
- if(typeof callback != 'undefined') callback();
- return;
- }
+ if(canBeRendered() === false) {
+ if(typeof callback === 'function') callback();
+ return false;
+ }
- if(!this.enabled) {
- if(this.debug) this.error('chart "' + this.id + '" is not enabled');
- if(typeof callback != 'undefined') callback();
- return;
- }
+ if(this.chart === null) {
+ this.getChart(function() { that.updateChart(callback); });
+ return false;
+ }
- if(!self.visible(true)) {
- if(NETDATA.options.debug.visibility || this.debug) this.log('is not visible');
- if(typeof callback != 'undefined') callback();
- return;
+ if(this.library.initialized === false) {
+ if(this.library.enabled === true) {
+ this.library.initialize(function() { that.updateChart(callback); });
+ return false;
}
- if(!this.chart) {
- var this_state_object = this;
- this.getChart(function() { this_state_object.updateChart(callback); });
- return;
+ else {
+ error('chart library "' + this.library_name + '" is not available.');
+ if(typeof callback === 'function') callback();
+ return false;
}
+ }
- if(!this.library.initialized) {
- var this_state_object = this;
- this.library.initialize(function() { this_state_object.updateChart(callback); });
- return;
- }
-
- this.clearSelection();
- this.chartURL();
- if(this.debug) this.log('updating from ' + this.mode.url);
+ this.clearSelection();
+ this.chartURL();
+
+ if(this.debug === true)
+ this.log('updating from ' + this.data_url);
+
+ this._updating = true;
+
+ this.xhr = $.ajax( {
+ url: this.data_url,
+ crossDomain: NETDATA.options.crossDomainAjax,
+ cache: false,
+ async: true
+ })
+ .success(function(data) {
+ if(that.debug === true)
+ that.log('data received. updating chart.');
+
+ that.updateChartWithData(data);
+ })
+ .fail(function() {
+ error('data download failed for url: ' + that.data_url);
+ })
+ .always(function() {
+ that._updating = false;
+ if(typeof callback === 'function') callback();
+ });
- var this_state_object = this;
- $.ajax( {
- url: this_state_object.mode.url,
- crossDomain: true
- })
- .then(function(data) {
- if(this_state_object.debug) this_state_object.log('got data from netdata server');
- this_state_object.mode.data = data;
+ return true;
+ };
- var started = new Date().getTime();
+ this.isVisible = function(nocache) {
+ if(typeof nocache === 'undefined')
+ nocache = false;
- // if the result is JSON, find the latest update-every
- if(typeof data == 'object' && this_state_object.library.jsonWrapper) {
- if(!this_state_object.follows_global && typeof data.view_update_every != 'undefined')
- this_state_object.mode.view_update_every = data.view_update_every * 1000;
+ // this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll);
- if(typeof data.after != 'undefined')
- this_state_object.mode.after_ms = data.after * 1000;
+ // caching - we do not evaluate the charts visibility
+ // if the page has not been scrolled since the last check
+ if(nocache === false && this.tm.last_visible_check > NETDATA.options.last_page_scroll)
+ return this.___isVisible___;
- if(typeof data.before != 'undefined')
- this_state_object.mode.before_ms = data.before * 1000;
+ this.tm.last_visible_check = new Date().getTime();
- if(typeof data.first_entry_t != 'undefined')
- this_state_object.mode.first_entry_ms = data.first_entry_t * 1000;
+ var wh = window.innerHeight;
+ var x = this.element.getBoundingClientRect();
+ var ret = 0;
+ var tolerance = 0;
- if(typeof data.last_entry_t != 'undefined')
- this_state_object.mode.last_entry_ms = data.last_entry_t * 1000;
+ if(x.width === 0 || x.height === 0) {
+ hideChart();
+ this.___isVisible___ = false;
+ return this.___isVisible___;
+ }
- if(typeof data.points != 'undefined')
- this_state_object.mode.points = data.points;
+ if(x.top < 0 && -x.top > x.height) {
+ // the chart is entirely above
+ ret = -x.top - x.height;
+ }
+ else if(x.top > wh) {
+ // the chart is entirely below
+ ret = x.top - wh;
+ }
- data.state = this_state_object;
- }
+ if(ret > tolerance) {
+ // the chart is too far
- this_state_object.updates_counter++;
+ hideChart();
+ this.___isVisible___ = false;
+ return this.___isVisible___;
+ }
+ else {
+ // the chart is inside or very close
- if(this_state_object.debug) {
- this_state_object.log('UPDATE No ' + this_state_object.updates_counter + ' COMPLETED');
+ unhideChart();
+ this.___isVisible___ = true;
+ return this.___isVisible___;
+ }
+ };
- if(this_state_object.mode.force_after_ms)
- this_state_object.log('STATUS: forced : ' + (this_state_object.mode.force_after_ms / 1000).toString() + ' - ' + (this_state_object.mode.force_before_ms / 1000).toString());
- else
- this_state_object.log('STATUS: forced: unset');
+ this.isAutoRefreshed = function() {
+ return (this.current.autorefresh);
+ };
- this_state_object.log('STATUS: requested: ' + (this_state_object.mode.requested_after_ms / 1000).toString() + ' - ' + (this_state_object.mode.requested_before_ms / 1000).toString());
- this_state_object.log('STATUS: rendered : ' + (this_state_object.mode.after_ms / 1000).toString() + ' - ' + (this_state_object.mode.before_ms / 1000).toString());
- this_state_object.log('STATUS: points : ' + (this_state_object.mode.points).toString() + ', min step: ' + (this_state_object._minPanOrZoomStep() / 1000).toString());
- }
+ this.canBeAutoRefreshed = function() {
+ var now = new Date().getTime();
- if(this_state_object.created_ms) {
- if(this_state_object.debug) this_state_object.log('updating chart...');
+ if(this.enabled === false) {
+ if(this.debug === true)
+ this.log('I am not enabled');
- if(NETDATA.options.debug.chart_errors) {
- this_state_object.library.update(this_state_object.element, data);
- }
- else {
- try {
- this_state_object.library.update(this_state_object.element, data);
- }
- catch(err) {
- this_state_object.error('chart "' + state.id + '" failed to be updated as ' + state.library_name);
- }
- }
- }
- else {
- if(this_state_object.debug) this_state_object.log('creating chart...');
+ return false;
+ }
- if(NETDATA.options.debug.chart_errors) {
- this_state_object.library.create(this_state_object.element, data);
- this_state_object.created_ms = new Date().getTime();
- }
- else {
- try {
- this_state_object.library.create(this_state_object.element, data);
- this_state_object.created_ms = new Date().getTime();
- }
- catch(err) {
- this_state_object.error('chart "' + state.id + '" failed to be created as ' + state.library_name);
- }
- }
- }
+ if(this.library === null || this.library.enabled === false) {
+ error('charting library "' + this.library_name + '" is not available');
+ if(this.debug === true)
+ this.log('My chart library ' + this.library_name + ' is not available');
- // update the performance counters
- this_state_object.mode.last_updated_ms = new Date().getTime();
- this_state_object.refresh_dt_ms = this_state_object.mode.last_updated_ms - started;
- NETDATA.options.auto_refresher_fast_weight += this_state_object.refresh_dt_ms;
+ return false;
+ }
- if(this_state_object.refresh_dt_element)
- this_state_object.refresh_dt_element.innerHTML = this_state_object.refresh_dt_ms.toString();
- })
- .fail(function() {
- this_state_object.error('cannot download chart from ' + this_state_object.mode.url);
- })
- .always(function() {
- if(typeof callback == 'function') callback();
- });
- },
+ if(this.isVisible() === false) {
+ if(NETDATA.options.debug.visibility === true || this.debug === true)
+ this.log('I am not visible');
- chartURL: function() {
- this.calculated_width = self.width();
- this.calculated_height = self.height();
+ return false;
+ }
- var before;
- var after;
- if(NETDATA.globalPanAndZoom.state) {
- after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000);
- before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000);
- this.follows_global = NETDATA.globalPanAndZoom.seq;
- }
- else {
- before = this.mode.force_before_ms != null ? Math.round(this.mode.force_before_ms / 1000) : this.before;
- after = this.mode.force_after_ms != null ? Math.round(this.mode.force_after_ms / 1000) : this.after;
- this.follows_global = 0;
- }
+ if(this.current.force_update_at !== 0 && this.current.force_update_at < now) {
+ if(this.debug === true)
+ this.log('timed force update detected - allowing this update');
- this.mode.requested_after_ms = after * 1000;
- this.mode.requested_before_ms = before * 1000;
+ this.current.force_update_at = 0;
+ return true;
+ }
- // force an options provided detail
- var pixels_per_point = this.pixels_per_point;
- if(pixels_per_point < NETDATA.options.current.pixels_per_point)
- pixels_per_point = NETDATA.options.current.pixels_per_point
+ if(this.isAutoRefreshed() === true) {
+ // allow the first update, even if the page is not visible
+ if(this.updates_counter && this.updates_since_last_unhide && NETDATA.options.page_is_visible === false) {
+ if(NETDATA.options.debug.focus === true || this.debug === true)
+ this.log('canBeAutoRefreshed(): page does not have focus');
- this.mode.points = this.points || Math.round(this.calculated_width / pixels_per_point);
+ return false;
+ }
- // build the data URL
- this.mode.url = this.chart.data_url;
- this.mode.url += "&format=" + this.library.format;
- this.mode.url += "&points=" + this.mode.points.toString();
- this.mode.url += "&group=" + this.method;
- this.mode.url += "&options=" + this.library.options;
- if(this.library.jsonWrapper) this.mode.url += '|jsonwrap';
+ if(this.needsRecreation() === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): needs re-creation.');
- if(after)
- this.mode.url += "&after=" + after.toString();
+ return true;
+ }
- if(before)
- this.mode.url += "&before=" + before.toString();
+ // options valid only for autoRefresh()
+ if(NETDATA.options.auto_refresher_stop_until === 0 || NETDATA.options.auto_refresher_stop_until < now) {
+ if(NETDATA.globalPanAndZoom.isActive()) {
+ if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): global panning: I need an update.');
- if(this.dimensions)
- this.mode.url += "&dimensions=" + this.dimensions;
+ return true;
+ }
+ else {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
- if(NETDATA.options.debug.chart_data_url) this.log('chartURL(): ' + this.mode.url + ' WxH:' + this.calculated_width + 'x' + this.calculated_height + ' points: ' + this.mode.points + ' library: ' + this.library_name);
- },
+ return false;
+ }
+ }
- canBeAutoRefreshed: function(auto_refresher) {
- if(this.mode.autorefresh) {
- var now = new Date().getTime();
+ if(this.selected === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): I have a selection in place.');
- if(this.updates_counter && !NETDATA.options.page_is_visible) {
- if(NETDATA.options.debug.focus || this.debug) this.log('canBeAutoRefreshed(): page does not have focus');
return false;
}
- if(!auto_refresher) return true;
+ if(this.paused === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): I am paused.');
- if(!self.visible(true)) {
- if(this.debug) this.log('canBeAutoRefreshed(): I am not visible.');
return false;
}
- // options valid only for autoRefresh()
- if(NETDATA.options.auto_refresher_stop_until == 0 || NETDATA.options.auto_refresher_stop_until < now) {
- if(NETDATA.globalPanAndZoom.state) {
- if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) {
- if(this.debug) this.log('canBeAutoRefreshed(): global panning: I need an update.');
- return true;
- }
- else {
- if(this.debug) this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
- return false;
- }
- }
-
- if(this.selected) {
- if(this.debug) this.log('canBeAutoRefreshed(): I have a selection in place.');
- return false;
- }
-
- if(this.paused) {
- if(this.debug) this.log('canBeAutoRefreshed(): I am paused.');
- return false;
- }
+ if(now - this.tm.last_autorefreshed >= this.data_update_every) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): It is time to update me.');
- if(now - this.mode.last_updated_ms > this.mode.view_update_every) {
- if(this.debug) this.log('canBeAutoRefreshed(): It is time to update me.');
- return true;
- }
+ return true;
}
}
+ }
- return false;
- },
+ return false;
+ };
- autoRefresh: function(callback) {
- if(this.canBeAutoRefreshed(true))
- this.updateChart(callback);
- else if(typeof callback != 'undefined')
+ this.autoRefresh = function(callback) {
+ if(this.canBeAutoRefreshed() === true) {
+ this.updateChart(callback);
+ }
+ else {
+ if(typeof callback !== 'undefined')
callback();
- },
-
- // fetch the chart description from the netdata server
- getChart: function(callback) {
- this.chart = NETDATA.chartRegistry.get(this.host, this.id);
- if(this.chart) {
- if(typeof callback == 'function') callback();
- }
- else {
- this.chart_url = this.host + "/api/v1/chart?chart=" + this.id;
- if(this.debug) this.log('downloading ' + this.chart_url);
- this_state_object = this;
-
- $.ajax( {
- url: this.chart_url,
- crossDomain: true
- })
- .done(function(chart) {
- chart.data_url = (this_state_object.host + chart.data_url);
- this_state_object.chart = chart;
- this_state_object.mode.view_update_every = chart.update_every * 1000;
- this_state_object.mode.points = Math.round(self.width() / (chart.update_every / 1000));
-
- chart.url = this_state_object.chart_url;
- NETDATA.chartRegistry.add(this_state_object.host, this_state_object.id, chart);
- })
- .fail(function() {
- NETDATA.error(404, this_state_object.chart_url);
- this_state_object.error('chart "' + this_state_object.id + '" not found on url "' + this_state_object.chart_url + '"');
- })
- .always(function() {
- if(typeof callback == 'function') callback();
- });
- }
- },
+ }
+ };
- // resize the chart to its real dimensions
- // as given by the caller
- sizeChart: function() {
- element.className += "netdata-container";
+ this._defaultsFromDownloadedChart = function(chart) {
+ this.chart = chart;
+ this.chart_url = chart.url;
+ this.data_update_every = chart.update_every * 1000;
+ this.data_points = Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+ this.tm.last_info_downloaded = new Date().getTime();
- if(this.debug) this.log('sizing element');
- self.css('width', this.width)
- .css('height', this.height);
- //.css('display', 'inline-block')
- //.css('overflow', 'hidden');
+ if(this.title === null)
+ this.title = chart.title;
- if(NETDATA.chartDefaults.min_width)
- self.css('min-width', NETDATA.chartDefaults.min_width);
- },
+ if(this.units === null)
+ this.units = chart.units;
+ };
- // show a message in the chart
- message: function(type, msg) {
- this.element.innerHTML = '<div class="netdata-message netdata-' + type + '-message" style="font-size: x-small; overflow: hidden; width: 100%; height: 100%;"><small>'
- + msg
- + '</small></div>';
-
- // reset the creation datetime
- // since we overwrote the whole element
- this.created_ms = 0
- if(this.debug) this.log(msg);
- },
+ // fetch the chart description from the netdata server
+ this.getChart = function(callback) {
+ this.chart = NETDATA.chartRegistry.get(this.host, this.id);
+ if(this.chart) {
+ this._defaultsFromDownloadedChart(this.chart);
+ if(typeof callback === 'function') callback();
+ }
+ else {
+ this.chart_url = "/api/v1/chart?chart=" + this.id;
- // show an error on the chart and stop it forever
- error: function(msg) {
- this.message('error', this.id + ': ' + msg);
- this.enabled = false;
- },
+ if(this.debug === true)
+ this.log('downloading ' + this.chart_url);
- // show a message indicating the chart is loading
- info: function(msg) {
- this.message('info', this.id + ': ' + msg);
+ $.ajax( {
+ url: this.host + this.chart_url,
+ crossDomain: NETDATA.options.crossDomainAjax,
+ cache: false,
+ async: true
+ })
+ .done(function(chart) {
+ chart.url = that.chart_url;
+ that._defaultsFromDownloadedChart(chart);
+ NETDATA.chartRegistry.add(that.host, that.id, chart);
+ })
+ .fail(function() {
+ NETDATA.error(404, that.chart_url);
+ error('chart not found on url "' + that.chart_url + '"');
+ })
+ .always(function() {
+ if(typeof callback === 'function') callback();
+ });
}
};
- if(state.debug) state.log('created');
- state.sizeChart();
- state.info("loading...");
-
- if(typeof NETDATA.chartLibraries[state.library_name] == 'undefined') {
- NETDATA.error(402, state.library_name);
- state.error('chart library "' + state.library_name + '" is not found');
- }
- else if(!NETDATA.chartLibraries[state.library_name].enabled) {
- NETDATA.error(403, state.library_name);
- state.error('chart library "' + state.library_name + '" is not enabled');
- }
- else {
- state.library = NETDATA.chartLibraries[state.library_name];
- state.pixels_per_point = self.data('pixels-per-point') || state.library.pixels_per_point;
- }
-
- if(state.refresh_dt_element_name)
- state.refresh_dt_element = document.getElementById(state.refresh_dt_element_name) || null;
+ // ============================================================================================================
+ // INITIALIZATION
- state.setMode('auto');
+ init();
+ };
- return state;
- }
+ NETDATA.resetAllCharts = function(state) {
+ // first clear the global selection sync
+ // to make sure no chart is in selected state
+ state.globalSelectionSyncStop();
+
+ // there are 2 possibilities here
+ // a. state is the global Pan and Zoom master
+ // b. state is not the global Pan and Zoom master
+ var master = true;
+ if(NETDATA.globalPanAndZoom.isMaster(state) === false)
+ master = false;
+
+ // clear the global Pan and Zoom
+ // this will also refresh the master
+ // and unblock any charts currently mirroring the master
+ NETDATA.globalPanAndZoom.clearMaster();
+
+ // if we were not the master, reset our status too
+ // this is required because most probably the mouse
+ // is over this chart, blocking it from auto-refreshing
+ if(master === false && (state.paused === true || state.selected === true))
+ state.resetChart();
+ };
// get or create a chart state, given a DOM element
NETDATA.chartState = function(element) {
- self = $(element);
- var state = self.data('state') || null;
- if(!state) {
- state = NETDATA.chartInitialState(element);
- self.data('state', state);
+ var state = $(element).data('netdata-state-object') || null;
+ if(state === null) {
+ state = new chartState(element);
+ $(element).data('netdata-state-object', state);
}
return state;
- }
+ };
// ----------------------------------------------------------------------------------------------------------------
// Library functions
// Load a script without jquery
// This is used to load jquery - after it is loaded, we use jquery
NETDATA._loadjQuery = function(callback) {
- if(typeof jQuery == 'undefined') {
+ if(typeof jQuery === 'undefined') {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.jQuery);
+
var script = document.createElement('script');
script.type = 'text/javascript';
script.async = true;
// script.onabort = onError;
script.onerror = function(err, t) { NETDATA.error(101, NETDATA.jQuery); };
- if(typeof callback == "function")
+ if(typeof callback === "function")
script.onload = callback;
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(script, s);
}
- else if(typeof callback == "function")
+ else if(typeof callback === "function")
callback();
- }
+ };
NETDATA._loadCSS = function(filename) {
+ // don't use jQuery here
+ // styles are loaded before jQuery
+ // to eliminate showing an unstyled page to the user
+
var fileref = document.createElement("link");
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", filename);
- if (typeof fileref != "undefined")
+ if (typeof fileref !== 'undefined')
document.getElementsByTagName("head")[0].appendChild(fileref);
- }
+ };
+
+ NETDATA.colorHex2Rgb = function(hex) {
+ // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
+ var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
+ hex = hex.replace(shorthandRegex, function(m, r, g, b) {
+ return r + r + g + g + b + b;
+ });
+
+ var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
+ return result ? {
+ r: parseInt(result[1], 16),
+ g: parseInt(result[2], 16),
+ b: parseInt(result[3], 16)
+ } : null;
+ };
- NETDATA.ColorLuminance = function(hex, lum) {
+ NETDATA.colorLuminance = function(hex, lum) {
// validate hex string
hex = String(hex).replace(/[^0-9a-f]/gi, '');
if (hex.length < 6)
}
return rgb;
- }
+ };
NETDATA.guid = function() {
function s4() {
}
return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
- }
+ };
+
+ NETDATA.zeropad = function(x) {
+ if(x > -10 && x < 10) return '0' + x.toString();
+ else return x.toString();
+ };
// user function to signal us the DOM has been
// updated.
NETDATA.updatedDom = function() {
- NETDATA.options.updated_dom = 1;
- }
+ NETDATA.options.updated_dom = true;
+ };
+
+ NETDATA.ready = function(callback) {
+ NETDATA.options.pauseCallback = callback;
+ };
+
+ NETDATA.pause = function(callback) {
+ if(NETDATA.options.pause === true)
+ callback();
+ else
+ NETDATA.options.pauseCallback = callback;
+ };
+
+ NETDATA.unpause = function() {
+ NETDATA.options.pauseCallback = null;
+ NETDATA.options.updated_dom = true;
+ NETDATA.options.pause = false;
+ };
// ----------------------------------------------------------------------------------------------------------------
- NETDATA.chartRefresher = function(index) {
- // if(NETDATA.options.debug.mail_loop) console.log('NETDATA.chartRefresher(<targets, ' + index + ')');
+ // this is purely sequencial charts refresher
+ // it is meant to be autonomous
+ NETDATA.chartRefresherNoParallel = function(index) {
+ if(NETDATA.options.debug.mail_loop === true)
+ console.log('NETDATA.chartRefresherNoParallel(' + index + ')');
- if(NETDATA.options.updated_dom) {
+ if(NETDATA.options.updated_dom === true) {
// the dom has been updated
// get the dom parts again
- NETDATA.getDomCharts(function() {
- NETDATA.chartRefresher(0);
- });
-
+ NETDATA.parseDom(NETDATA.chartRefresher);
return;
}
+ if(index >= NETDATA.options.targets.length) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('waiting to restart main loop...');
- var target = NETDATA.options.targets.get(index);
- if(target == null) {
- if(NETDATA.options.debug.main_loop) console.log('waiting to restart main loop...');
- NETDATA.options.auto_refresher_fast_weight = 0;
+ NETDATA.options.auto_refresher_fast_weight = 0;
- setTimeout(function() {
- NETDATA.chartRefresher(0);
- }, NETDATA.options.current.idle_between_loops);
- }
+ setTimeout(function() {
+ NETDATA.chartRefresher();
+ }, NETDATA.options.current.idle_between_loops);
+ }
else {
- var state = NETDATA.chartState(target);
+ var state = NETDATA.options.targets[index];
if(NETDATA.options.auto_refresher_fast_weight < NETDATA.options.current.fast_render_timeframe) {
- if(NETDATA.options.debug.main_loop) console.log('fast rendering...');
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('fast rendering...');
state.autoRefresh(function() {
- NETDATA.chartRefresher(++index);
- }, false);
+ NETDATA.chartRefresherNoParallel(++index);
+ });
}
else {
- if(NETDATA.options.debug.main_loop) console.log('waiting for next refresh...');
+ if(NETDATA.options.debug.main_loop === true) console.log('waiting for next refresh...');
NETDATA.options.auto_refresher_fast_weight = 0;
setTimeout(function() {
state.autoRefresh(function() {
- NETDATA.chartRefresher(++index);
- }, false);
+ NETDATA.chartRefresherNoParallel(++index);
+ });
}, NETDATA.options.current.idle_between_charts);
}
}
- }
+ };
+
+ // this is part of the parallel refresher
+ // its cause is to refresh sequencially all the charts
+ // that depend on chart library initialization
+ // it will call the parallel refresher back
+ // as soon as it sees a chart that its chart library
+ // is initialized
+ NETDATA.chartRefresher_uninitialized = function() {
+ if(NETDATA.options.updated_dom === true) {
+ // the dom has been updated
+ // get the dom parts again
+ NETDATA.parseDom(NETDATA.chartRefresher);
+ return;
+ }
+
+ if(NETDATA.options.sequencial.length === 0)
+ NETDATA.chartRefresher();
+ else {
+ var state = NETDATA.options.sequencial.pop();
+ if(state.library.initialized === true)
+ NETDATA.chartRefresher();
+ else
+ state.autoRefresh(NETDATA.chartRefresher_uninitialized);
+ }
+ };
+
+ NETDATA.chartRefresherWaitTime = function() {
+ return NETDATA.options.current.idle_parallel_loops;
+ };
+
+ // the default refresher
+ // it will create 2 sets of charts:
+ // - the ones that can be refreshed in parallel
+ // - the ones that depend on something else
+ // the first set will be executed in parallel
+ // the second will be given to NETDATA.chartRefresher_uninitialized()
+ NETDATA.chartRefresher = function() {
+ if(NETDATA.options.pause === true) {
+ // console.log('auto-refresher is paused');
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
+ return;
+ }
+
+ if(typeof NETDATA.options.pauseCallback === 'function') {
+ // console.log('auto-refresher is calling pauseCallback');
+ NETDATA.options.pause = true;
+ NETDATA.options.pauseCallback();
+ NETDATA.chartRefresher();
+ return;
+ }
+
+ if(NETDATA.options.current.parallel_refresher === false) {
+ NETDATA.chartRefresherNoParallel(0);
+ return;
+ }
- NETDATA.getDomCharts = function(callback) {
- NETDATA.options.updated_dom = 0;
+ if(NETDATA.options.updated_dom === true) {
+ // the dom has been updated
+ // get the dom parts again
+ NETDATA.parseDom(NETDATA.chartRefresher);
+ return;
+ }
+
+ var parallel = new Array();
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) {
+ if(targets[len].isVisible() === false)
+ continue;
+
+ var state = targets[len];
+ if(state.library.initialized === false) {
+ if(state.library.enabled === true) {
+ state.library.initialize(NETDATA.chartRefresher);
+ return;
+ }
+ else {
+ state.error('chart library "' + state.library_name + '" is not enabled.');
+ }
+ }
+
+ parallel.unshift(state);
+ }
+
+ if(parallel.length > 0) {
+ var parallel_jobs = parallel.length;
+
+ // this will execute the jobs in parallel
+ $(parallel).each(function() {
+ this.autoRefresh(function() {
+ parallel_jobs--;
+
+ if(parallel_jobs === 0) {
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
+ }
+ });
+ })
+ }
+ else {
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
+ }
+ };
+
+ NETDATA.parseDom = function(callback) {
+ NETDATA.options.last_page_scroll = new Date().getTime();
+ NETDATA.options.updated_dom = false;
- NETDATA.options.targets = $('div[data-netdata]').filter(':visible');
+ var targets = $('div[data-netdata]'); //.filter(':visible');
- if(NETDATA.options.debug.main_loop)
- console.log('DOM updated - there are ' + NETDATA.options.targets.length + ' charts on page.');
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('DOM updated - there are ' + targets.length + ' charts on page.');
- // we need to re-size all the charts quickly
- // before making any external calls
- $.each(NETDATA.options.targets, function(i, target) {
+ NETDATA.options.targets = new Array();
+ var len = targets.length;
+ while(len--) {
// the initialization will take care of sizing
// and the "loading..." message
- var state = NETDATA.chartState(target);
- });
+ NETDATA.options.targets.push(NETDATA.chartState(targets[len]));
+ }
- if(typeof callback == 'function') callback();
- }
+ if(typeof callback === 'function') callback();
+ };
// this is the main function - where everything starts
- NETDATA.init = function() {
+ NETDATA.start = function() {
// this should be called only once
- NETDATA.options.page_is_visible = 1;
+ NETDATA.options.page_is_visible = true;
$(window).blur(function() {
- NETDATA.options.page_is_visible = 0;
- if(NETDATA.options.debug.focus) console.log('Lost Focus!');
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = false;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Lost Focus!');
+ }
});
$(window).focus(function() {
- NETDATA.options.page_is_visible = 1;
- if(NETDATA.options.debug.focus) console.log('Focus restored!');
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = true;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Focus restored!');
+ }
});
- if(typeof document.hasFocus == 'function' && !document.hasFocus()) {
- NETDATA.options.page_is_visible = 0;
- if(NETDATA.options.debug.focus) console.log('Document has no focus!');
+ if(typeof document.hasFocus === 'function' && !document.hasFocus()) {
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = false;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Document has no focus!');
+ }
}
- NETDATA.getDomCharts(function() {
- NETDATA.chartRefresher(0);
- });
- }
-
- // ----------------------------------------------------------------------------------------------------------------
-
- //var chart = function() {
- //}
+ // bootstrap tab switching
+ $('a[data-toggle="tab"]').on('shown.bs.tab', NETDATA.onscroll);
- //chart.prototype.color = function() {
- // return 'red';
- //}
+ // bootstrap modal switching
+ $('.modal').on('hidden.bs.modal', NETDATA.onscroll);
+ $('.modal').on('shown.bs.modal', NETDATA.onscroll);
- //var c = new chart();
- //c.color();
+ NETDATA.parseDom(NETDATA.chartRefresher);
+ };
// ----------------------------------------------------------------------------------------------------------------
// peity
NETDATA.peityInitialize = function(callback) {
- if(typeof netdataStopPeity == 'undefined') {
- $.getScript(NETDATA.peity_js)
- .done(function() {
- NETDATA.registerChartLibrary('peity', NETDATA.peity_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.peity_js);
- })
- .always(function() {
- if(typeof callback == "function")
- callback();
- })
+ if(typeof netdataNoPeitys === 'undefined' || !netdataNoPeitys) {
+ $.ajax({
+ url: NETDATA.peity_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('peity', NETDATA.peity_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.peity.enabled = false;
+ NETDATA.error(100, NETDATA.peity_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.peity.enabled = false;
- if(typeof callback == "function")
+ if(typeof callback === "function")
callback();
}
};
- NETDATA.peityChartUpdate = function(element, data) {
- var peity = $(data.state.peity_element);
- peity.html(data.result);
- // peity.change() does not accept options
- // to pass width and height
- //peity.change();
- peity.peity('line', { width: data.state.calculated_width, height: data.state.calculated_height });
- }
+ NETDATA.peityChartUpdate = function(state, data) {
+ state.peity_instance.innerHTML = data.result;
- NETDATA.peityChartCreate = function(element, data) {
- element.innerHTML = '<div class="netdata-chart-container netdata-peity-container" id="peity-' + data.state.uuid + '">' + data.result + '</div>';
- data.state.peity_element = document.getElementById('peity-' + data.state.uuid);
- var peity = $(data.state.peity_element);
+ if(state.peity_options.stroke !== state.chartColors()[0]) {
+ state.peity_options.stroke = state.chartColors()[0];
+ if(state.chart.chart_type === 'line')
+ state.peity_options.fill = NETDATA.themes.current.background;
+ else
+ state.peity_options.fill = NETDATA.colorLuminance(state.chartColors()[0], NETDATA.chartDefaults.fill_luminance);
+ }
- peity.peity('line', { width: data.state.calculated_width, height: data.state.calculated_height });
- }
+ $(state.peity_instance).peity('line', state.peity_options);
+ return true;
+ };
- // ----------------------------------------------------------------------------------------------------------------
- // sparkline
+ NETDATA.peityChartCreate = function(state, data) {
+ state.peity_instance = document.createElement('div');
+ state.element_chart.appendChild(state.peity_instance);
+
+ var self = $(state.element);
+ state.peity_options = {
+ stroke: NETDATA.themes.current.foreground,
+ strokeWidth: self.data('peity-strokewidth') || 1,
+ width: state.chartWidth(),
+ height: state.chartHeight(),
+ fill: NETDATA.themes.current.foreground
+ };
- NETDATA.sparklineInitialize = function(callback) {
- if(typeof netdataStopSparkline == 'undefined') {
- $.getScript(NETDATA.sparkline_js)
- .done(function() {
- NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.sparkline_js);
- })
- .always(function() {
- if(typeof callback == "function")
- callback();
- })
+ NETDATA.peityChartUpdate(state, data);
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // sparkline
+
+ NETDATA.sparklineInitialize = function(callback) {
+ if(typeof netdataNoSparklines === 'undefined' || !netdataNoSparklines) {
+ $.ajax({
+ url: NETDATA.sparkline_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.sparkline.enabled = false;
+ NETDATA.error(100, NETDATA.sparkline_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.sparkline.enabled = false;
- if(typeof callback == "function")
+ if(typeof callback === "function")
callback();
}
};
- NETDATA.sparklineChartUpdate = function(element, data) {
- data.state.sparkline_options.width = data.state.calculated_width;
- data.state.sparkline_options.height = data.state.calculated_height;
+ NETDATA.sparklineChartUpdate = function(state, data) {
+ state.sparkline_options.width = state.chartWidth();
+ state.sparkline_options.height = state.chartHeight();
- spark = $(data.state.sparkline_element);
- spark.sparkline(data.result, data.state.sparkline_options);
- }
+ $(state.element_chart).sparkline(data.result, state.sparkline_options);
+ return true;
+ };
- NETDATA.sparklineChartCreate = function(element, data) {
- var self = $(element);
+ NETDATA.sparklineChartCreate = function(state, data) {
+ var self = $(state.element);
var type = self.data('sparkline-type') || 'line';
- var lineColor = self.data('sparkline-linecolor') || NETDATA.colors[0];
- var fillColor = self.data('sparkline-fillcolor') || (data.state.chart.chart_type == 'line')?'#FFF':NETDATA.ColorLuminance(lineColor, 0.8);
+ var lineColor = self.data('sparkline-linecolor') || state.chartColors()[0];
+ var fillColor = self.data('sparkline-fillcolor') || (state.chart.chart_type === 'line')?NETDATA.themes.current.background:NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance);
var chartRangeMin = self.data('sparkline-chartrangemin') || undefined;
var chartRangeMax = self.data('sparkline-chartrangemax') || undefined;
var composite = self.data('sparkline-composite') || undefined;
var drawNormalOnTop = self.data('sparkline-drawnormalontop') || undefined;
var xvalues = self.data('sparkline-xvalues') || undefined;
var chartRangeClip = self.data('sparkline-chartrangeclip') || undefined;
- var xvalues = self.data('sparkline-xvalues') || undefined;
var chartRangeMinX = self.data('sparkline-chartrangeminx') || undefined;
var chartRangeMaxX = self.data('sparkline-chartrangemaxx') || undefined;
var disableInteraction = self.data('sparkline-disableinteraction') || false;
var tooltipClassname = self.data('sparkline-tooltipclassname') || undefined;
var tooltipFormat = self.data('sparkline-tooltipformat') || undefined;
var tooltipPrefix = self.data('sparkline-tooltipprefix') || undefined;
- var tooltipSuffix = self.data('sparkline-tooltipsuffix') || ' ' + data.state.chart.units;
+ var tooltipSuffix = self.data('sparkline-tooltipsuffix') || ' ' + state.units;
var tooltipSkipNull = self.data('sparkline-tooltipskipnull') || true;
var tooltipValueLookups = self.data('sparkline-tooltipvaluelookups') || undefined;
var tooltipFormatFieldlist = self.data('sparkline-tooltipformatfieldlist') || undefined;
var numberDigitGroupCount = self.data('sparkline-numberdigitgroupcount') || undefined;
var animatedZooms = self.data('sparkline-animatedzooms') || false;
- data.state.sparkline_options = {
+ state.sparkline_options = {
type: type,
lineColor: lineColor,
fillColor: fillColor,
highlightColor: highlightColor,
tooltipContainer: tooltipContainer,
tooltipClassname: tooltipClassname,
- tooltipChartTitle: data.state.chart.title,
+ tooltipChartTitle: state.title,
tooltipFormat: tooltipFormat,
tooltipPrefix: tooltipPrefix,
tooltipSuffix: tooltipSuffix,
numberDecimalMark: numberDecimalMark,
numberDigitGroupCount: numberDigitGroupCount,
animatedZooms: animatedZooms,
- width: data.state.calculated_width,
- height: data.state.calculated_height
+ width: state.chartWidth(),
+ height: state.chartHeight()
};
- element.innerHTML = '<div class="netdata-chart-container netdata-sparkline-container" id="sparkline-' + data.state.uuid + '" style="display: inline-block; position: relative;"></div>';
- data.state.sparkline_element = document.getElementById('sparkline-' + data.state.uuid);
-
- spark = $(data.state.sparkline_element);
- spark.sparkline(data.result, data.state.sparkline_options);
+ $(state.element_chart).sparkline(data.result, state.sparkline_options);
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
// dygraph
NETDATA.dygraph = {
- state: null,
- sync: false,
- dont_sync_before: 0,
- slaves: []
+ smooth: false
};
- NETDATA.dygraph.syncStart = function(state, event, x, points, row, seriesName) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('dygraph.syncStart()');
-
- //if(NETDATA.dygraph.state && NETDATA.dygraph.state != state) {
- // state.log('sync: I am not the sync master.');
- // return;
- //}
- // state.debug = true;
-
- var t = state.mode.after_ms + row * state.mode.view_update_every;
- // console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t == x)?'SAME':'DIFFERENT'));
-
- now = new Date().getTime();
- if(now < NETDATA.dygraph.dont_sync_before) {
- if(state.debug) st.log('sync: cannot sync yet.');
- return;
- }
-
- // since we are the sync master, we should not call state.setSelection()
- // dygraphs is taking care of visualizing our selection.
- state.selected = true;
-
- var dygraph = state.dygraph_instance;
-
- if(!NETDATA.dygraph.sync) {
- if(state.debug) st.log('sync: setting up...');
- $.each(NETDATA.options.targets, function(i, target) {
- var st = NETDATA.chartState(target);
- if(st == state) {
- if(state.debug) st.log('sync: not adding me to sync');
- }
- else {
- if(typeof st.dygraph_instance == 'object' && st.library_name == state.library_name && st.canBeAutoRefreshed(false)) {
- NETDATA.dygraph.slaves.push(st);
- if(state.debug) st.log('sync: added slave to sync');
- }
- }
- });
- NETDATA.dygraph.sync = true;
- }
-
- $.each(NETDATA.dygraph.slaves, function(i, st) {
- if(st == state) {
- if(state.debug) st.log('sync: ignoring me from set selection');
- }
- else {
- if(state.debug) st.log('sync: showing master selection');
- st.setSelection(t);
- }
- });
- }
-
- NETDATA.dygraph.syncStop = function(state) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('dygraph.syncStop()');
-
- //if(NETDATA.dygraph.state && NETDATA.dygraph.state != state) {
- // state.log('sync: I am not the sync master.');
- // return;
- //}
-
- if(NETDATA.dygraph.sync) {
- if(state.debug) st.log('sync: cleaning up...');
- $.each(NETDATA.dygraph.slaves, function(i, st) {
- if(st == state) {
- if(state.debug) st.log('sync: not adding me to sync stop');
- }
- else {
- if(state.debug) st.log('sync: removed slave from sync');
- st.clearSelection();
- }
- });
-
- NETDATA.dygraph.slaves = [];
- NETDATA.dygraph.sync = false;
- }
-
- // since we are the sync master, we should not call state.clearSelection()
- // dygraphs is taking care of visualizing our selection.
- state.selected = false;
- }
-
- NETDATA.dygraph.resetChart = function(state, dygraph, context) {
- if(NETDATA.options.debug.dygraph) state.log('dygraph.resetChart()');
-
- state.resetChart();
- if(NETDATA.globalPanAndZoom.clearMaster());
- }
+ NETDATA.dygraphToolboxPanAndZoom = function(state, after, before) {
+ if(after < state.netdata_first)
+ after = state.netdata_first;
- NETDATA.dygraph.zoomOrPan = function(element, dygraph, after, before) {
- if(NETDATA.options.debug.dygraph) console.log('>>>> dygraph.zoomOrPan(element, dygraph, after:' + after + ', before: ' + before + ')');
+ if(before > state.netdata_last)
+ before = state.netdata_last;
- state = NETDATA.chartState(element);
+ state.setMode('zoom');
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.dygraph_user_action = true;
+ state.dygraph_force_zoom = true;
state.updateChartPanOrZoom(after, before);
- return;
- }
+ NETDATA.globalPanAndZoom.setMaster(state, after, before);
+ };
NETDATA.dygraphSetSelection = function(state, t) {
- if(typeof state.dygraph_instance != 'undefined') {
+ if(typeof state.dygraph_instance !== 'undefined') {
var r = state.calculateRowForTime(t);
- if(r != -1) {
+ if(r !== -1)
state.dygraph_instance.setSelection(r);
- return true;
- }
else {
state.dygraph_instance.clearSelection();
- return false;
+ state.legendShowUndefined();
}
}
- }
+
+ return true;
+ };
NETDATA.dygraphClearSelection = function(state, t) {
- if(typeof state.dygraph_instance != 'undefined') {
+ if(typeof state.dygraph_instance !== 'undefined') {
state.dygraph_instance.clearSelection();
}
return true;
- }
+ };
+
+ NETDATA.dygraphSmoothInitialize = function(callback) {
+ $.ajax({
+ url: NETDATA.dygraph_smooth_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.dygraph.smooth = true;
+ smoothPlotter.smoothing = 0.3;
+ })
+ .fail(function() {
+ NETDATA.dygraph.smooth = false;
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
+ };
NETDATA.dygraphInitialize = function(callback) {
- if(typeof netdataStopDygraph == 'undefined') {
- $.getScript(NETDATA.dygraph_js)
- .done(function() {
- NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.dygraph_js);
- })
- .always(function() {
- if(typeof callback == "function")
- callback();
- })
+ if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
+ $.ajax({
+ url: NETDATA.dygraph_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.dygraph.enabled = false;
+ NETDATA.error(100, NETDATA.dygraph_js);
+ })
+ .always(function() {
+ if(NETDATA.chartLibraries.dygraph.enabled === true && NETDATA.options.current.smooth_plot === true)
+ NETDATA.dygraphSmoothInitialize(callback);
+ else if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.dygraph.enabled = false;
- if(typeof callback == "function")
+ if(typeof callback === "function")
callback();
}
};
- NETDATA.dygraphChartUpdate = function(element, data) {
- if(NETDATA.options.debug.dygraph || data.state.debug) console.log('dygraphChartUpdate()');
+ NETDATA.dygraphChartUpdate = function(state, data) {
+ var dygraph = state.dygraph_instance;
+
+ if(typeof dygraph === 'undefined')
+ return NETDATA.dygraphChartCreate(state, data);
+
+ // when the chart is not visible, and hidden
+ // if there is a window resize, dygraph detects
+ // its element size as 0x0.
+ // this will make it re-appear properly
- var dygraph = data.state.dygraph_instance;
+ if(state.tm.last_unhidden > state.dygraph_last_rendered)
+ dygraph.resize();
- if(data.state.mode.name == 'pan') {
- if(NETDATA.options.debug.dygraph || data.state.debug) console.log('dygraphChartUpdate() loose update');
- dygraph.updateOptions({
+ var options = {
file: data.result.data,
+ colors: state.chartColors(),
labels: data.result.labels,
- labelsDivWidth: data.state.calculated_width - 70
- });
+ labelsDivWidth: state.chartWidth() - 70,
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names)
+ };
+
+ if(state.dygraph_force_zoom === true) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() forced zoom update');
+
+ options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
+ options.valueRange = null;
+ options.isZoomedIgnoreProgrammaticZoom = true;
+ state.dygraph_force_zoom = false;
+ }
+ else if(state.current.name !== 'auto') {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() loose update');
}
else {
- if(NETDATA.options.debug.dygraph || data.state.debug) console.log('dygraphChartUpdate() strict update');
- dygraph.updateOptions({
- file: data.result.data,
- labels: data.result.labels,
- labelsDivWidth: data.state.calculated_width - 70,
- dateWindow: null,
- valueRange: null
- });
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() strict update');
+
+ options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
+ options.valueRange = null;
+ options.isZoomedIgnoreProgrammaticZoom = true;
}
+
+ if(state.dygraph_smooth_eligible === true) {
+ if((NETDATA.options.current.smooth_plot === true && state.dygraph_options.plotter !== smoothPlotter)
+ || (NETDATA.options.current.smooth_plot === false && state.dygraph_options.plotter === smoothPlotter)) {
+ NETDATA.dygraphChartCreate(state, data);
+ return;
+ }
+ }
+
+ dygraph.updateOptions(options);
+
+ state.dygraph_last_rendered = new Date().getTime();
+ return true;
};
- NETDATA.dygraphChartCreate = function(element, data) {
- if(NETDATA.options.debug.dygraph || data.state.debug) console.log('dygraphChartCreate()');
+ NETDATA.dygraphChartCreate = function(state, data) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartCreate()');
- var self = $(element);
- var title = self.data('dygraph-title') || data.state.chart.title;
- var titleHeight = self.data('dygraph-titleheight') || 19;
- var labelsDiv = self.data('dygraph-labelsdiv') || undefined;
- var connectSeparatedPoints = self.data('dygraph-connectseparatedpoints') || false;
- var yLabelWidth = self.data('dygraph-ylabelwidth') || 12;
- var stackedGraph = self.data('dygraph-stackedgraph') || (data.state.chart.chart_type == 'stacked')?true:false;
- var stackedGraphNaNFill = self.data('dygraph-stackedgraphnanfill') || 'none';
- var hideOverlayOnMouseOut = self.data('dygraph-hideoverlayonmouseout') || true;
- var fillGraph = self.data('dygraph-fillgraph') || (data.state.chart.chart_type == 'area')?true:false;
- var drawPoints = self.data('dygraph-drawpoints') || false;
- var labelsDivStyles = self.data('dygraph-labelsdivstyles') || { 'fontSize':'10px' };
- var labelsDivWidth = self.data('dygraph-labelsdivwidth') || self.width() - 70;
- var labelsSeparateLines = self.data('dygraph-labelsseparatelines') || false;
- var labelsShowZeroValues = self.data('dygraph-labelsshowzerovalues') || true;
- var legend = self.data('dygraph-legend') || 'onmouseover';
- var showLabelsOnHighlight = self.data('dygraph-showlabelsonhighlight') || true; // true FIXME
- var gridLineColor = self.data('dygraph-gridlinecolor') || '#EEE';
- var axisLineColor = self.data('dygraph-axislinecolor') || '#EEE';
- var maxNumberWidth = self.data('dygraph-maxnumberwidth') || 8;
- var sigFigs = self.data('dygraph-sigfigs') || null;
- var digitsAfterDecimal = self.data('dygraph-digitsafterdecimal') || 2;
- var axisLabelFontSize = self.data('dygraph-axislabelfontsize') || 10;
- var axisLineWidth = self.data('dygraph-axislinewidth') || 0.3;
- var drawAxis = self.data('dygraph-drawaxis') || true;
- var strokeWidth = self.data('dygraph-strokewidth') || 1.0;
- var drawGapEdgePoints = self.data('dygraph-drawgapedgepoints') || true;
- var colors = self.data('dygraph-colors') || NETDATA.colors;
- var pointSize = self.data('dygraph-pointsize') || 1;
- var stepPlot = self.data('dygraph-stepplot') || false;
- var strokeBorderColor = self.data('dygraph-strokebordercolor') || 'white';
- var strokeBorderWidth = self.data('dygraph-strokeborderwidth') || (data.state.chart.chart_type == 'stacked')?1.0:0.0;
- var strokePattern = self.data('dygraph-strokepattern') || undefined;
- var highlightCircleSize = self.data('dygraph-highlightcirclesize') || 3;
- var highlightSeriesOpts = self.data('dygraph-highlightseriesopts') || null; // FIXME { strokeWidth: 1.5 };
- var highlightSeriesBackgroundAlpha = self.data('dygraph-highlightseriesbackgroundalpha') || null; // FIXME (data.state.chart.chart_type == 'stacked')?0.7:0.5;
- var pointClickCallback = self.data('dygraph-pointclickcallback') || undefined;
- var showRangeSelector = self.data('dygraph-showrangeselector') || false;
- var showRoller = self.data('dygraph-showroller') || false;
- var valueFormatter = self.data('dygraph-valueformatter') || undefined; //function(x){ return x.toFixed(2); };
- var rightGap = self.data('dygraph-rightgap') || 5;
- var drawGrid = self.data('dygraph-drawgrid') || true;
- var drawXGrid = self.data('dygraph-drawxgrid') || undefined;
- var drawYGrid = self.data('dygraph-drawygrid') || undefined;
- var gridLinePattern = self.data('dygraph-gridlinepattern') || null;
- var gridLineWidth = self.data('dygraph-gridlinewidth') || 0.3;
-
- data.state.dygraph_options = {
- title: title,
- titleHeight: titleHeight,
- ylabel: data.state.chart.units,
- yLabelWidth: yLabelWidth,
- connectSeparatedPoints: connectSeparatedPoints,
- drawPoints: drawPoints,
- fillGraph: fillGraph,
- stackedGraph: stackedGraph,
- stackedGraphNaNFill: stackedGraphNaNFill,
- drawGrid: drawGrid,
- drawXGrid: drawXGrid,
- drawYGrid: drawYGrid,
- gridLinePattern: gridLinePattern,
- gridLineWidth: gridLineWidth,
- gridLineColor: gridLineColor,
- axisLineColor: axisLineColor,
- axisLineWidth: axisLineWidth,
- drawAxis: drawAxis,
- hideOverlayOnMouseOut: hideOverlayOnMouseOut,
- labelsDiv: labelsDiv,
- labelsDivStyles: labelsDivStyles,
- labelsDivWidth: labelsDivWidth,
- labelsSeparateLines: labelsSeparateLines,
- labelsShowZeroValues: labelsShowZeroValues,
+ var self = $(state.element);
+
+ var chart_type = state.chart.chart_type;
+ if(chart_type === 'stacked' && data.dimensions === 1) chart_type = 'area';
+ chart_type = self.data('dygraph-type') || chart_type;
+
+ var smooth = (chart_type === 'line' && !NETDATA.chartLibraries.dygraph.isSparkline(state))?true:false;
+ smooth = self.data('dygraph-smooth') || smooth;
+
+ if(NETDATA.dygraph.smooth === false)
+ smooth = false;
+
+ var strokeWidth = (chart_type === 'stacked')?0.1:((smooth)?1.5:0.7)
+ var highlightCircleSize = (NETDATA.chartLibraries.dygraph.isSparkline(state))?3:4;
+
+ state.dygraph_options = {
+ colors: self.data('dygraph-colors') || state.chartColors(),
+
+ // leave a few pixels empty on the right of the chart
+ rightGap: self.data('dygraph-rightgap') || 5,
+ showRangeSelector: self.data('dygraph-showrangeselector') || false,
+ showRoller: self.data('dygraph-showroller') || false,
+
+ title: self.data('dygraph-title') || state.title,
+ titleHeight: self.data('dygraph-titleheight') || 19,
+
+ legend: self.data('dygraph-legend') || 'always', // 'onmouseover',
+ labels: data.result.labels,
+ labelsDiv: self.data('dygraph-labelsdiv') || state.element_legend_childs.hidden,
+ labelsDivStyles: self.data('dygraph-labelsdivstyles') || { 'fontSize':'1px' },
+ labelsDivWidth: self.data('dygraph-labelsdivwidth') || state.chartWidth() - 70,
+ labelsSeparateLines: self.data('dygraph-labelsseparatelines') || true,
+ labelsShowZeroValues: self.data('dygraph-labelsshowzerovalues') || true,
labelsKMB: false,
labelsKMG2: false,
- legend: legend,
- showLabelsOnHighlight: showLabelsOnHighlight,
- maxNumberWidth: maxNumberWidth,
- sigFigs: sigFigs,
- digitsAfterDecimal: digitsAfterDecimal,
- axisLabelFontSize: axisLabelFontSize,
- colors: colors,
- strokeWidth: strokeWidth,
- drawGapEdgePoints: drawGapEdgePoints,
- pointSize: pointSize,
- stepPlot: stepPlot,
- strokeBorderColor: strokeBorderColor,
- strokeBorderWidth: strokeBorderWidth,
- strokePattern: strokePattern,
- highlightCircleSize: highlightCircleSize,
- highlightSeriesOpts: highlightSeriesOpts,
- highlightSeriesBackgroundAlpha: highlightSeriesBackgroundAlpha,
- pointClickCallback: pointClickCallback,
- showRangeSelector: showRangeSelector,
- showRoller: showRoller,
- valueFormatter: valueFormatter,
- rightGap: rightGap,
- labels: data.result.labels,
+ showLabelsOnHighlight: self.data('dygraph-showlabelsonhighlight') || true,
+ hideOverlayOnMouseOut: self.data('dygraph-hideoverlayonmouseout') || true,
+
+ ylabel: state.units,
+ yLabelWidth: self.data('dygraph-ylabelwidth') || 12,
+
+ // the function to plot the chart
+ plotter: null,
+
+ // The width of the lines connecting data points. This can be used to increase the contrast or some graphs.
+ strokeWidth: self.data('dygraph-strokewidth') || strokeWidth,
+ strokePattern: self.data('dygraph-strokepattern') || undefined,
+
+ // The size of the dot to draw on each point in pixels (see drawPoints). A dot is always drawn when a point is "isolated",
+ // i.e. there is a missing point on either side of it. This also controls the size of those dots.
+ drawPoints: self.data('dygraph-drawpoints') || false,
+
+ // Draw points at the edges of gaps in the data. This improves visibility of small data segments or other data irregularities.
+ drawGapEdgePoints: self.data('dygraph-drawgapedgepoints') || true,
+
+ connectSeparatedPoints: self.data('dygraph-connectseparatedpoints') || false,
+ pointSize: self.data('dygraph-pointsize') || 1,
+
+ // enabling this makes the chart with little square lines
+ stepPlot: self.data('dygraph-stepplot') || false,
+
+ // Draw a border around graph lines to make crossing lines more easily distinguishable. Useful for graphs with many lines.
+ strokeBorderColor: self.data('dygraph-strokebordercolor') || NETDATA.themes.current.background,
+ strokeBorderWidth: self.data('dygraph-strokeborderwidth') || (chart_type === 'stacked')?0.0:0.0,
+
+ fillGraph: self.data('dygraph-fillgraph') || (chart_type === 'area' || chart_type === 'stacked')?true:false,
+ fillAlpha: self.data('dygraph-fillalpha') || (chart_type === 'stacked')?NETDATA.options.current.color_fill_opacity_stacked:NETDATA.options.current.color_fill_opacity_area,
+ stackedGraph: self.data('dygraph-stackedgraph') || (chart_type === 'stacked')?true:false,
+ stackedGraphNaNFill: self.data('dygraph-stackedgraphnanfill') || 'none',
+
+ drawAxis: self.data('dygraph-drawaxis') || true,
+ axisLabelFontSize: self.data('dygraph-axislabelfontsize') || 10,
+ axisLineColor: self.data('dygraph-axislinecolor') || NETDATA.themes.current.axis,
+ axisLineWidth: self.data('dygraph-axislinewidth') || 0.3,
+
+ drawGrid: self.data('dygraph-drawgrid') || true,
+ drawXGrid: self.data('dygraph-drawxgrid') || undefined,
+ drawYGrid: self.data('dygraph-drawygrid') || undefined,
+ gridLinePattern: self.data('dygraph-gridlinepattern') || null,
+ gridLineWidth: self.data('dygraph-gridlinewidth') || 0.3,
+ gridLineColor: self.data('dygraph-gridlinecolor') || NETDATA.themes.current.grid,
+
+ maxNumberWidth: self.data('dygraph-maxnumberwidth') || 8,
+ sigFigs: self.data('dygraph-sigfigs') || null,
+ digitsAfterDecimal: self.data('dygraph-digitsafterdecimal') || 2,
+ valueFormatter: self.data('dygraph-valueformatter') || function(x){ return x.toFixed(2); },
+
+ highlightCircleSize: self.data('dygraph-highlightcirclesize') || highlightCircleSize,
+ highlightSeriesOpts: self.data('dygraph-highlightseriesopts') || null, // TOO SLOW: { strokeWidth: 1.5 },
+ highlightSeriesBackgroundAlpha: self.data('dygraph-highlightseriesbackgroundalpha') || null, // TOO SLOW: (chart_type === 'stacked')?0.7:0.5,
+
+ pointClickCallback: self.data('dygraph-pointclickcallback') || undefined,
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names),
axes: {
x: {
pixelsPerLabel: 50,
ticker: Dygraph.dateTicker,
axisLabelFormatter: function (d, gran) {
- return Dygraph.zeropad(d.getHours()) + ":" + Dygraph.zeropad(d.getMinutes()) + ":" + Dygraph.zeropad(d.getSeconds());
+ return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds());
},
- valueFormatter :function (ms) {
+ valueFormatter: function (ms) {
var d = new Date(ms);
- return Dygraph.zeropad(d.getHours()) + ":" + Dygraph.zeropad(d.getMinutes()) + ":" + Dygraph.zeropad(d.getSeconds());
+ return d.toLocaleDateString() + ' ' + d.toLocaleTimeString();
+ // return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds());
}
},
y: {
- pixelsPerLabel: 15
+ pixelsPerLabel: 15,
+ valueFormatter: function (x) {
+ // we format legends with the state object
+ // no need to do anything here
+ // return (Math.round(x*100) / 100).toLocaleString();
+ // return state.legendFormatValue(x);
+ return x;
+ }
}
},
+ legendFormatter: function(data) {
+ var elements = state.element_legend_childs;
+
+ // if the hidden div is not there
+ // we are not managing the legend
+ if(elements.hidden === null) return;
+
+ if (typeof data.x !== 'undefined') {
+ state.legendSetDate(data.x);
+ var i = data.series.length;
+ while(i--) {
+ var series = data.series[i];
+ if(!series.isVisible) continue;
+ state.legendSetLabelValue(series.label, series.y);
+ }
+ }
+
+ return '';
+ },
drawCallback: function(dygraph, is_initial) {
- if(data.state.mode.name != 'auto') {
- if(NETDATA.options.debug.dygraph) data.state.log('dygraphDrawCallback()');
+ if(state.current.name !== 'auto' && state.dygraph_user_action === true) {
+ state.dygraph_user_action = false;
var x_range = dygraph.xAxisRange();
var after = Math.round(x_range[0]);
var before = Math.round(x_range[1]);
- NETDATA.dygraph.zoomOrPan(element, this, after, before);
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphDrawCallback(dygraph, ' + is_initial + '): ' + (after / 1000).toString() + ' - ' + (before / 1000).toString());
+
+ if(before <= state.netdata_last && after >= state.netdata_first)
+ state.updateChartPanOrZoom(after, before);
}
},
zoomCallback: function(minDate, maxDate, yRanges) {
- if(NETDATA.options.debug.dygraph) data.state.log('dygraphZoomCallback()');
- NETDATA.dygraph.syncStop(data.state);
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
- NETDATA.dygraph.zoomOrPan(element, this, minDate, maxDate);
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphZoomCallback()');
+
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.setMode('zoom');
+
+ // refresh it to the greatest possible zoom level
+ state.dygraph_user_action = true;
+ state.dygraph_force_zoom = true;
+ state.updateChartPanOrZoom(minDate, maxDate);
},
highlightCallback: function(event, x, points, row, seriesName) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('dygraphHighlightCallback()');
- data.state.pauseChart();
- NETDATA.dygraph.syncStart(data.state, event, x, points, row, seriesName);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphHighlightCallback()');
+
+ state.pauseChart();
+
+ // there is a bug in dygraph when the chart is zoomed enough
+ // the time it thinks is selected is wrong
+ // here we calculate the time t based on the row number selected
+ // which is ok
+ var t = state.data_after + row * state.data_update_every;
+ // console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':(Math.abs(x-t)<=state.data_update_every)?'SIMILAR':'DIFFERENT') + ', rows in db: ' + state.data_points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.data_after + ' - ' + state.data_before + ' real: ' + state.data.after + ' - ' + state.data.before + ' every: ' + state.data_update_every);
+
+ state.globalSelectionSync(x);
+
+ // fix legend zIndex using the internal structures of dygraph legend module
+ // this works, but it is a hack!
+ // state.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000;
},
unhighlightCallback: function(event) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('dygraphUnhighlightCallback()');
- data.state.unpauseChart();
- NETDATA.dygraph.syncStop(data.state);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphUnhighlightCallback()');
+
+ state.unpauseChart();
+ state.globalSelectionSyncStop();
},
interactionModel : {
mousedown: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.mousedown()');
- NETDATA.dygraph.syncStop(data.state);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousedown()');
- if(NETDATA.options.debug.dygraph) data.state.log('dygraphMouseDown()');
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncStop();
+
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphMouseDown()');
// Right-click should not initiate a zoom.
- if(event.button && event.button == 2) return;
+ if(event.button && event.button === 2) return;
context.initializeMouseDown(event, dygraph, context);
-
- if(event.button && event.button == 1) {
+
+ if(event.button && event.button === 1) {
if (event.altKey || event.shiftKey) {
- data.state.setMode('pan');
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
+ state.setMode('pan');
+ state.globalSelectionSyncDelay();
Dygraph.startPan(event, dygraph, context);
}
else {
- data.state.setMode('zoom');
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
+ state.setMode('zoom');
+ state.globalSelectionSyncDelay();
Dygraph.startZoom(event, dygraph, context);
}
}
else {
if (event.altKey || event.shiftKey) {
- data.state.setMode('zoom');
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
+ state.setMode('zoom');
+ state.globalSelectionSyncDelay();
Dygraph.startZoom(event, dygraph, context);
}
else {
- data.state.setMode('pan');
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
+ state.setMode('pan');
+ state.globalSelectionSyncDelay();
Dygraph.startPan(event, dygraph, context);
}
}
},
mousemove: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.mousemove()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousemove()');
if(context.isPanning) {
- NETDATA.dygraph.syncStop(data.state);
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
- data.state.setMode('pan');
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.setMode('pan');
Dygraph.movePan(event, dygraph, context);
}
else if(context.isZooming) {
- NETDATA.dygraph.syncStop(data.state);
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
- data.state.setMode('zoom');
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.setMode('zoom');
Dygraph.moveZoom(event, dygraph, context);
}
},
mouseup: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.mouseup()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mouseup()');
if (context.isPanning) {
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncDelay();
Dygraph.endPan(event, dygraph, context);
}
else if (context.isZooming) {
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncDelay();
Dygraph.endZoom(event, dygraph, context);
}
},
click: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.click()');
- Dygraph.cancelEvent(event);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.click()');
+
+ event.preventDefault();
},
dblclick: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.dblclick()');
- NETDATA.dygraph.syncStop(data.state);
- NETDATA.dygraph.resetChart(data.state, dygraph, context);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.dblclick()');
+ NETDATA.resetAllCharts(state);
},
mousewheel: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.mousewheel()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousewheel()');
+
+ // Take the offset of a mouse event on the dygraph canvas and
+ // convert it to a pair of percentages from the bottom left.
+ // (Not top left, bottom is where the lower value is.)
+ function offsetToPercentage(g, offsetX, offsetY) {
+ // This is calculating the pixel offset of the leftmost date.
+ var xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0];
+ var yar0 = g.yAxisRange(0);
+
+ // This is calculating the pixel of the higest value. (Top pixel)
+ var yOffset = g.toDomCoords(null, yar0[1])[1];
+
+ // x y w and h are relative to the corner of the drawing area,
+ // so that the upper corner of the drawing area is (0, 0).
+ var x = offsetX - xOffset;
+ var y = offsetY - yOffset;
+
+ // This is computing the rightmost pixel, effectively defining the
+ // width.
+ var w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset;
+
+ // This is computing the lowest pixel, effectively defining the height.
+ var h = g.toDomCoords(null, yar0[0])[1] - yOffset;
+
+ // Percentage from the left.
+ var xPct = w === 0 ? 0 : (x / w);
+ // Percentage from the top.
+ var yPct = h === 0 ? 0 : (y / h);
+
+ // The (1-) part below changes it from "% distance down from the top"
+ // to "% distance up from the bottom".
+ return [xPct, (1-yPct)];
+ }
+
+ // Adjusts [x, y] toward each other by zoomInPercentage%
+ // Split it so the left/bottom axis gets xBias/yBias of that change and
+ // tight/top gets (1-xBias)/(1-yBias) of that change.
+ //
+ // If a bias is missing it splits it down the middle.
+ function zoomRange(g, zoomInPercentage, xBias, yBias) {
+ xBias = xBias || 0.5;
+ yBias = yBias || 0.5;
+
+ function adjustAxis(axis, zoomInPercentage, bias) {
+ var delta = axis[1] - axis[0];
+ var increment = delta * zoomInPercentage;
+ var foo = [increment * bias, increment * (1-bias)];
+
+ return [ axis[0] + foo[0], axis[1] - foo[1] ];
+ }
+
+ var yAxes = g.yAxisRanges();
+ var newYAxes = [];
+ for (var i = 0; i < yAxes.length; i++) {
+ newYAxes[i] = adjustAxis(yAxes[i], zoomInPercentage, yBias);
+ }
- NETDATA.dygraph.syncStop(data.state);
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
+ return adjustAxis(g.xAxisRange(), zoomInPercentage, xBias);
+ }
if(event.altKey || event.shiftKey) {
+ state.dygraph_user_action = true;
+
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+
// http://dygraphs.com/gallery/interaction-api.js
var normal = (event.detail) ? event.detail * -1 : event.wheelDelta / 40;
- var percentage = normal / 25;
+ var percentage = normal / 50;
+
+ if (!(event.offsetX && event.offsetY)){
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+
+ var percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY);
+ var xPct = percentages[0];
+ var yPct = percentages[1];
+
+ var new_x_range = zoomRange(dygraph, percentage, xPct, yPct);
- var before_old = data.state.mode.before_ms;
- var after_old = data.state.mode.after_ms;
- var range_old = before_old - after_old;
+ var after = new_x_range[0];
+ var before = new_x_range[1];
- var range = range_old * ( 1 - percentage );
- var dt = Math.round((range_old - range) / 2);
+ var first = state.netdata_first + state.data_update_every;
+ var last = state.netdata_last + state.data_update_every;
- var before = before_old - dt;
- var after = after_old + dt;
+ if(before > last) {
+ after -= (before - last);
+ before = last;
+ }
+ if(after < first) {
+ after = first;
+ }
- if(NETDATA.options.debug.dygraph) data.state.log('percent: ' + percentage + ' from ' + after_old + ' - ' + before_old + ' to ' + after + ' - ' + before + ', range from ' + (before_old - after_old).toString() + ' to ' + (before - after).toString());
+ state.setMode('zoom');
+ if(state.updateChartPanOrZoom(after, before) === true)
+ dygraph.updateOptions({ dateWindow: [ after, before ] });
- data.state.setMode('zoom');
- NETDATA.dygraph.zoomOrPan(element, dygraph, after, before);
- }
+ event.preventDefault();
+ }
},
touchstart: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.touchstart()');
- NETDATA.dygraph.syncStop(data.state);
- NETDATA.dygraph.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_delay;
- Dygraph.Interaction.startTouch(event, dygraph, context);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchstart()');
+
+ state.dygraph_user_action = true;
+ state.setMode('zoom');
+ state.pauseChart();
+
+ Dygraph.defaultInteractionModel.touchstart(event, dygraph, context);
+
+ // we overwrite the touch directions at the end, to overwrite
+ // the internal default of dygraphs
context.touchDirections = { x: true, y: false };
- data.state.setMode('zoom');
+
+ state.dygraph_last_touch_start = new Date().getTime();
+ state.dygraph_last_touch_move = 0;
+
+ if(typeof event.touches[0].pageX === 'number')
+ state.dygraph_last_touch_page_x = event.touches[0].pageX;
+ else
+ state.dygraph_last_touch_page_x = 0;
},
touchmove: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.touchmove()');
- //Dygraph.cancelEvent(event);
- NETDATA.dygraph.syncStop(data.state);
- Dygraph.Interaction.moveTouch(event, dygraph, context);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchmove()');
+
+ state.dygraph_user_action = true;
+ Dygraph.defaultInteractionModel.touchmove(event, dygraph, context);
+
+ state.dygraph_last_touch_move = new Date().getTime();
},
touchend: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || data.state.debug) data.state.log('interactionModel.touchend()');
- Dygraph.Interaction.endTouch(event, dygraph, context);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchend()');
+
+ state.dygraph_user_action = true;
+ Dygraph.defaultInteractionModel.touchend(event, dygraph, context);
+
+ // if it didn't move, it is a selection
+ if(state.dygraph_last_touch_move === 0 && state.dygraph_last_touch_page_x !== 0) {
+ // internal api of dygraphs
+ var pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w;
+ var t = Math.round(state.data_after + (state.data_before - state.data_after) * pct);
+ if(NETDATA.dygraphSetSelection(state, t) === true)
+ state.globalSelectionSync(t);
+ }
+
+ // if it was double tap within double click time, reset the charts
+ var now = new Date().getTime();
+ if(typeof state.dygraph_last_touch_end !== 'undefined') {
+ if(state.dygraph_last_touch_move === 0) {
+ var dt = now - state.dygraph_last_touch_end;
+ if(dt <= NETDATA.options.current.double_click_speed)
+ NETDATA.resetAllCharts(state);
+ }
+ }
+
+ // remember the timestamp of the last touch end
+ state.dygraph_last_touch_end = now;
}
}
};
- self.html('<div class="netdata-chart-container netdata-dygraph-container" id="dygraph-' + data.state.uuid + '" style="width: 100%; height: 100%;"></div>');
+ if(NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+ state.dygraph_options.drawGrid = false;
+ state.dygraph_options.drawAxis = false;
+ state.dygraph_options.title = undefined;
+ state.dygraph_options.units = undefined;
+ state.dygraph_options.ylabel = undefined;
+ state.dygraph_options.yLabelWidth = 0;
+ state.dygraph_options.labelsDivWidth = 120;
+ state.dygraph_options.labelsDivStyles.width = '120px';
+ state.dygraph_options.labelsSeparateLines = true;
+ state.dygraph_options.rightGap = 0;
+ }
+
+ if(smooth === true) {
+ state.dygraph_smooth_eligible = true;
+
+ if(NETDATA.options.current.smooth_plot === true)
+ state.dygraph_options.plotter = smoothPlotter;
+ }
+ else state.dygraph_smooth_eligible = false;
+
+ state.dygraph_instance = new Dygraph(state.element_chart,
+ data.result.data, state.dygraph_options);
- data.state.dygraph_instance = new Dygraph(document.getElementById('dygraph-' + data.state.uuid),
- data.result.data, data.state.dygraph_options);
+ state.dygraph_force_zoom = false;
+ state.dygraph_user_action = false;
+ state.dygraph_last_rendered = new Date().getTime();
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
// morris
NETDATA.morrisInitialize = function(callback) {
- if(typeof netdataStopMorris == 'undefined') {
+ if(typeof netdataNoMorris === 'undefined' || !netdataNoMorris) {
// morris requires raphael
if(!NETDATA.chartLibraries.raphael.initialized) {
}
else {
NETDATA.chartLibraries.morris.enabled = false;
- if(typeof callback == "function")
+ if(typeof callback === "function")
callback();
}
}
else {
NETDATA._loadCSS(NETDATA.morris_css);
- $.getScript(NETDATA.morris_js)
- .done(function() {
- NETDATA.registerChartLibrary('morris', NETDATA.morris_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.morris_js);
- })
- .always(function() {
- if(typeof callback == "function")
- callback();
- })
+ $.ajax({
+ url: NETDATA.morris_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('morris', NETDATA.morris_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.morris.enabled = false;
+ NETDATA.error(100, NETDATA.morris_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
}
}
else {
NETDATA.chartLibraries.morris.enabled = false;
- if(typeof callback == "function")
+ if(typeof callback === "function")
callback();
}
};
- NETDATA.morrisChartUpdate = function(element, data) {
- data.state.morris_instance.setData(data.result.data);
+ NETDATA.morrisChartUpdate = function(state, data) {
+ state.morris_instance.setData(data.result.data);
+ return true;
};
- NETDATA.morrisChartCreate = function(element, data) {
-
- element.innerHTML = '<div class="netdata-chart-container netdata-morris-container" id="morris-' + data.state.uuid + '" style="width: ' + data.state.calculated_width + 'px; height: ' + data.state.calculated_height + 'px;"></div>';
+ NETDATA.morrisChartCreate = function(state, data) {
- var options = {
- element: 'morris-' + data.state.uuid,
+ state.morris_options = {
+ element: state.element_chart.id,
data: data.result.data,
xkey: 'time',
ykeys: data.dimension_names,
labels: data.dimension_names,
lineWidth: 2,
- pointSize: 2,
+ pointSize: 3,
smooth: true,
hideHover: 'auto',
parseTime: true,
behaveLikeLine: false
};
- var morris;
- if(data.state.chart.chart_type == 'line')
- morris = new Morris.Line(options);
+ if(state.chart.chart_type === 'line')
+ state.morris_instance = new Morris.Line(state.morris_options);
+
+ else if(state.chart.chart_type === 'area') {
+ state.morris_options.behaveLikeLine = true;
+ state.morris_instance = new Morris.Area(state.morris_options);
+ }
+ else // stacked
+ state.morris_instance = new Morris.Area(state.morris_options);
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // raphael
+
+ NETDATA.raphaelInitialize = function(callback) {
+ if(typeof netdataStopRaphael === 'undefined' || !netdataStopRaphael) {
+ $.ajax({
+ url: NETDATA.raphael_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.raphael.enabled = false;
+ NETDATA.error(100, NETDATA.raphael_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.raphael.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.raphaelChartUpdate = function(state, data) {
+ $(state.element_chart).raphael(data.result, {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ });
+
+ return false;
+ };
+
+ NETDATA.raphaelChartCreate = function(state, data) {
+ $(state.element_chart).raphael(data.result, {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ });
+
+ return false;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // C3
+
+ NETDATA.c3Initialize = function(callback) {
+ if(typeof netdataNoC3 === 'undefined' || !netdataNoC3) {
+
+ // C3 requires D3
+ if(!NETDATA.chartLibraries.d3.initialized) {
+ if(NETDATA.chartLibraries.d3.enabled) {
+ NETDATA.d3Initialize(function() {
+ NETDATA.c3Initialize(callback);
+ });
+ }
+ else {
+ NETDATA.chartLibraries.c3.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ }
+ else {
+ NETDATA._loadCSS(NETDATA.c3_css);
+
+ $.ajax({
+ url: NETDATA.c3_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('c3', NETDATA.c3_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.c3.enabled = false;
+ NETDATA.error(100, NETDATA.c3_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
+ }
+ }
+ else {
+ NETDATA.chartLibraries.c3.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.c3ChartUpdate = function(state, data) {
+ state.c3_instance.destroy();
+ return NETDATA.c3ChartCreate(state, data);
+
+ //state.c3_instance.load({
+ // rows: data.result,
+ // unload: true
+ //});
+
+ //return true;
+ };
+
+ NETDATA.c3ChartCreate = function(state, data) {
+
+ state.element_chart.id = 'c3-' + state.uuid;
+ // console.log('id = ' + state.element_chart.id);
+
+ state.c3_instance = c3.generate({
+ bindto: '#' + state.element_chart.id,
+ size: {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ },
+ color: {
+ pattern: state.chartColors()
+ },
+ data: {
+ x: 'time',
+ rows: data.result,
+ type: (state.chart.chart_type === 'line')?'spline':'area-spline'
+ },
+ axis: {
+ x: {
+ type: 'timeseries',
+ tick: {
+ format: function(x) {
+ return NETDATA.zeropad(x.getHours()) + ":" + NETDATA.zeropad(x.getMinutes()) + ":" + NETDATA.zeropad(x.getSeconds());
+ }
+ }
+ }
+ },
+ grid: {
+ x: {
+ show: true
+ },
+ y: {
+ show: true
+ }
+ },
+ point: {
+ show: false
+ },
+ line: {
+ connectNull: false
+ },
+ transition: {
+ duration: 0
+ },
+ interaction: {
+ enabled: true
+ }
+ });
- else if(data.state.chart.chart_type == 'area') {
- options.behaveLikeLine = true;
- morris = new Morris.Area(options);
- }
- else // stacked
- morris = new Morris.Area(options);
+ // console.log(state.c3_instance);
- data.state.morris_instance = morris;
- data.state.morris_options = options;
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
- // raphael
-
- NETDATA.raphaelInitialize = function(callback) {
- if(typeof netdataStopRaphael == 'undefined') {
- $.getScript(NETDATA.raphael_js)
- .done(function() {
- NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.raphael_js);
- })
- .always(function() {
- if(typeof callback == "function")
- callback();
- })
+ // D3
+
+ NETDATA.d3Initialize = function(callback) {
+ if(typeof netdataStopD3 === 'undefined' || !netdataStopD3) {
+ $.ajax({
+ url: NETDATA.d3_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('d3', NETDATA.d3_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.d3.enabled = false;
+ NETDATA.error(100, NETDATA.d3_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
- NETDATA.chartLibraries.raphael.enabled = false;
- if(typeof callback == "function")
+ NETDATA.chartLibraries.d3.enabled = false;
+ if(typeof callback === "function")
callback();
}
};
- NETDATA.raphaelChartUpdate = function(element, data) {
- var self = $(element);
-
- self.raphael(data, {
- width: data.state.calculated_width,
- height: data.state.calculated_height
- })
+ NETDATA.d3ChartUpdate = function(state, data) {
+ return false;
};
- NETDATA.raphaelChartCreate = function(element, data) {
- var self = $(element);
-
- self.raphael(data, {
- width: data.state.calculated_width,
- height: data.state.calculated_height
- })
+ NETDATA.d3ChartCreate = function(state, data) {
+ return false;
};
// ----------------------------------------------------------------------------------------------------------------
// google charts
NETDATA.googleInitialize = function(callback) {
- if(typeof netdataStopGoogleCharts == 'undefined') {
- $.getScript(NETDATA.google_js)
- .done(function() {
- NETDATA.registerChartLibrary('google', NETDATA.google_js);
-
- google.load('visualization', '1.1', {
- 'packages': ['corechart', 'controls'],
- 'callback': callback
- });
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.google_js);
- if(typeof callback == "function")
- callback();
- })
+ if(typeof netdataNoGoogleCharts === 'undefined' || !netdataNoGoogleCharts) {
+ $.ajax({
+ url: NETDATA.google_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('google', NETDATA.google_js);
+ google.load('visualization', '1.1', {
+ 'packages': ['corechart', 'controls'],
+ 'callback': callback
+ });
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.google.enabled = false;
+ NETDATA.error(100, NETDATA.google_js);
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.google.enabled = false;
- if(typeof callback == "function")
+ if(typeof callback === "function")
callback();
}
};
- NETDATA.googleChartUpdate = function(element, data) {
+ NETDATA.googleChartUpdate = function(state, data) {
var datatable = new google.visualization.DataTable(data.result);
- data.state.google_instance.draw(datatable, data.state.google_options);
+ state.google_instance.draw(datatable, state.google_options);
+ return true;
};
- NETDATA.googleChartCreate = function(element, data) {
+ NETDATA.googleChartCreate = function(state, data) {
var datatable = new google.visualization.DataTable(data.result);
- var options = {
+ state.google_options = {
+ colors: state.chartColors(),
+
// do not set width, height - the chart resizes itself
- //width: data.state.calculated_width,
- //height: data.state.calculated_height,
+ //width: state.chartWidth(),
+ //height: state.chartHeight(),
lineWidth: 1,
- title: data.state.chart.title,
+ title: state.title,
fontSize: 11,
hAxis: {
// title: "Time of Day",
}
},
vAxis: {
- title: data.state.chart.units,
+ title: state.units,
viewWindowMode: 'pretty',
minValue: -0.1,
maxValue: 0.1,
isStacked: false
};
- element.innerHTML = '<div class="netdata-chart-container netdata-google-container" id="google-' + data.state.uuid + '" style="width: 100%; height: 100%;"></div>';
-
- var gchart;
- switch(data.state.chart.chart_type) {
+ switch(state.chart.chart_type) {
case "area":
- options.vAxis.viewWindowMode = 'maximized';
- gchart = new google.visualization.AreaChart(document.getElementById('google-' + data.state.uuid));
+ state.google_options.vAxis.viewWindowMode = 'maximized';
+ state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_area;
+ state.google_instance = new google.visualization.AreaChart(state.element_chart);
break;
case "stacked":
- options.isStacked = true;
- options.areaOpacity = 0.85;
- options.vAxis.viewWindowMode = 'maximized';
- options.vAxis.minValue = null;
- options.vAxis.maxValue = null;
- gchart = new google.visualization.AreaChart(document.getElementById('google-' + data.state.uuid));
+ state.google_options.isStacked = true;
+ state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_stacked;
+ state.google_options.vAxis.viewWindowMode = 'maximized';
+ state.google_options.vAxis.minValue = null;
+ state.google_options.vAxis.maxValue = null;
+ state.google_instance = new google.visualization.AreaChart(state.element_chart);
break;
default:
case "line":
- options.lineWidth = 2;
- gchart = new google.visualization.LineChart(document.getElementById('google-' + data.state.uuid));
+ state.google_options.lineWidth = 2;
+ state.google_instance = new google.visualization.LineChart(state.element_chart);
break;
}
- gchart.draw(datatable, options);
+ state.google_instance.draw(datatable, state.google_options);
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ NETDATA.percentFromValueMax = function(value, max) {
+ if(value === null) value = 0;
+ if(max < value) max = value;
+
+ var pcent = 0;
+ if(max !== 0) {
+ pcent = Math.round(value * 100 / max);
+ if(pcent === 0 && value > 0) pcent = 1;
+ }
+
+ return pcent;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // easy-pie-chart
+
+ NETDATA.easypiechartInitialize = function(callback) {
+ if(typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) {
+ $.ajax({
+ url: NETDATA.easypiechart_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('easypiechart', NETDATA.easypiechart_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.easypiechart.enabled = false;
+ NETDATA.error(100, NETDATA.easypiechart_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ })
+ }
+ else {
+ NETDATA.chartLibraries.easypiechart.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.easypiechartClearSelection = function(state) {
+ if(typeof state.easyPieChartEvent !== 'undefined') {
+ if(state.easyPieChartEvent.timer !== null)
+ clearTimeout(state.easyPieChartEvent.timer);
+
+ state.easyPieChartEvent.timer = null;
+ }
+
+ if(state.isAutoRefreshed() === true && state.data !== null) {
+ NETDATA.easypiechartChartUpdate(state, state.data);
+ }
+ else {
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(null);
+ state.easyPieChart_instance.update(0);
+ }
+ state.easyPieChart_instance.enableAnimation();
+
+ return true;
+ };
+
+ NETDATA.easypiechartSetSelection = function(state, t) {
+ if(state.timeIsVisible(t) !== true)
+ return NETDATA.easypiechartClearSelection(state);
+
+ var slot = state.calculateRowForTime(t);
+ if(slot < 0 || slot >= state.data.result.length)
+ return NETDATA.easypiechartClearSelection(state);
+
+ if(typeof state.easyPieChartEvent === 'undefined') {
+ state.easyPieChartEvent = {
+ timer: null,
+ value: 0,
+ pcent: 0
+ };
+ }
+
+ var value = state.data.result[state.data.result.length - 1 - slot];
+ var max = (state.easyPieChartMax === null)?state.data.max:state.easyPieChartMax;
+ var pcent = NETDATA.percentFromValueMax(value, max);
+
+ state.easyPieChartEvent.value = value;
+ state.easyPieChartEvent.pcent = pcent;
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+
+ if(state.easyPieChartEvent.timer === null) {
+ state.easyPieChart_instance.disableAnimation();
+
+ state.easyPieChartEvent.timer = setTimeout(function() {
+ state.easyPieChartEvent.timer = null;
+ state.easyPieChart_instance.update(state.easyPieChartEvent.pcent);
+ }, NETDATA.options.current.charts_selection_animation_delay);
+ }
+
+ return true;
+ };
+
+ NETDATA.easypiechartChartUpdate = function(state, data) {
+ var value, max, pcent;
+
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+ value = null;
+ max = 0;
+ pcent = 0;
+ }
+ else {
+ value = data.result[0];
+ max = (state.easyPieChartMax === null)?data.max:state.easyPieChartMax;
+ pcent = NETDATA.percentFromValueMax(value, max);
+ }
+
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+ state.easyPieChart_instance.update(pcent);
+ return true;
+ };
+
+ NETDATA.easypiechartChartCreate = function(state, data) {
+ var self = $(state.element);
+ var chart = $(state.element_chart);
+
+ var value = data.result[0];
+ var max = self.data('easypiechart-max-value') || null;
+ var adjust = self.data('easypiechart-adjust') || null;
+
+ if(max === null) {
+ max = data.max;
+ state.easyPieChartMax = null;
+ }
+ else
+ state.easyPieChartMax = max;
+
+ var pcent = NETDATA.percentFromValueMax(value, max);
+
+ chart.data('data-percent', pcent);
+
+ var size;
+ switch(adjust) {
+ case 'width': size = state.chartHeight(); break;
+ case 'min': size = Math.min(state.chartWidth(), state.chartHeight()); break;
+ case 'max': size = Math.max(state.chartWidth(), state.chartHeight()); break;
+ case 'height':
+ default: size = state.chartWidth(); break;
+ }
+ state.element.style.width = size + 'px';
+ state.element.style.height = size + 'px';
+
+ var stroke = Math.floor(size / 22);
+ if(stroke < 3) stroke = 2;
+
+ var valuefontsize = Math.floor((size * 2 / 3) / 5);
+ var valuetop = Math.round((size - valuefontsize - (size / 40)) / 2);
+ state.easyPieChartLabel = document.createElement('span');
+ state.easyPieChartLabel.className = 'easyPieChartLabel';
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+ state.easyPieChartLabel.style.fontSize = valuefontsize + 'px';
+ state.easyPieChartLabel.style.top = valuetop.toString() + 'px';
+ state.element_chart.appendChild(state.easyPieChartLabel);
+
+ var titlefontsize = Math.round(valuefontsize * 1.6 / 3);
+ var titletop = Math.round(valuetop - (titlefontsize * 2) - (size / 40));
+ state.easyPieChartTitle = document.createElement('span');
+ state.easyPieChartTitle.className = 'easyPieChartTitle';
+ state.easyPieChartTitle.innerHTML = state.title;
+ state.easyPieChartTitle.style.fontSize = titlefontsize + 'px';
+ state.easyPieChartTitle.style.lineHeight = titlefontsize + 'px';
+ state.easyPieChartTitle.style.top = titletop.toString() + 'px';
+ state.element_chart.appendChild(state.easyPieChartTitle);
+
+ var unitfontsize = Math.round(titlefontsize * 0.9);
+ var unittop = Math.round(valuetop + (valuefontsize + unitfontsize) + (size / 40));
+ state.easyPieChartUnits = document.createElement('span');
+ state.easyPieChartUnits.className = 'easyPieChartUnits';
+ state.easyPieChartUnits.innerHTML = state.units;
+ state.easyPieChartUnits.style.fontSize = unitfontsize + 'px';
+ state.easyPieChartUnits.style.top = unittop.toString() + 'px';
+ state.element_chart.appendChild(state.easyPieChartUnits);
+
+ chart.easyPieChart({
+ barColor: self.data('easypiechart-barcolor') || state.chartColors()[0], //'#ef1e25',
+ trackColor: self.data('easypiechart-trackcolor') || NETDATA.themes.current.easypiechart_track,
+ scaleColor: self.data('easypiechart-scalecolor') || NETDATA.themes.current.easypiechart_scale,
+ scaleLength: self.data('easypiechart-scalelength') || 5,
+ lineCap: self.data('easypiechart-linecap') || 'round',
+ lineWidth: self.data('easypiechart-linewidth') || stroke,
+ trackWidth: self.data('easypiechart-trackwidth') || undefined,
+ size: self.data('easypiechart-size') || size,
+ rotate: self.data('easypiechart-rotate') || 0,
+ animate: self.data('easypiechart-rotate') || {duration: 500, enabled: true},
+ easing: self.data('easypiechart-easing') || undefined
+ });
+
+ // when we just re-create the chart
+ // do not animate the first update
+ var animate = true;
+ if(typeof state.easyPieChart_instance !== 'undefined')
+ animate = false;
+
+ state.easyPieChart_instance = chart.data('easyPieChart');
+ if(animate === false) state.easyPieChart_instance.disableAnimation();
+ state.easyPieChart_instance.update(pcent);
+ if(animate === false) state.easyPieChart_instance.enableAnimation();
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // gauge.js
+
+ NETDATA.gaugeInitialize = function(callback) {
+ if(typeof netdataNoGauge === 'undefined' || !netdataNoGauge) {
+ $.ajax({
+ url: NETDATA.gauge_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('gauge', NETDATA.gauge_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.gauge.enabled = false;
+ NETDATA.error(100, NETDATA.gauge_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ })
+ }
+ else {
+ NETDATA.chartLibraries.gauge.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.gaugeAnimation = function(state, status) {
+ var speed = 32;
+
+ if(typeof status === 'boolean' && status === false)
+ speed = 1000000000;
+ else if(typeof status === 'number')
+ speed = status;
+
+ state.gauge_instance.animationSpeed = speed;
+ state.___gaugeOld__.speed = speed;
+ };
+
+ NETDATA.gaugeSet = function(state, value, min, max) {
+ if(typeof value !== 'number') value = 0;
+ if(typeof min !== 'number') min = 0;
+ if(typeof max !== 'number') max = 0;
+ if(value > max) max = value;
+ if(value < min) min = value;
+ if(min > max) {
+ var t = min;
+ min = max;
+ max = t;
+ }
+ else if(min == max)
+ max = min + 1;
+
+ // gauge.js has an issue if the needle
+ // is smaller than min or larger than max
+ // when we set the new values
+ // the needle will go crazy
+
+ // to prevent it, we always feed it
+ // with a percentage, so that the needle
+ // is always between min and max
+ var pcent = (value - min) * 100 / (max - min);
+
+ // these should never happen
+ if(pcent < 0) pcent = 0;
+ if(pcent > 100) pcent = 100;
+
+ state.gauge_instance.set(pcent);
+
+ state.___gaugeOld__.value = value;
+ state.___gaugeOld__.min = min;
+ state.___gaugeOld__.max = max;
+ };
+
+ NETDATA.gaugeSetLabels = function(state, value, min, max) {
+ if(state.___gaugeOld__.valueLabel !== value) {
+ state.___gaugeOld__.valueLabel = value;
+ state.gaugeChartLabel.innerHTML = state.legendFormatValue(value);
+ }
+ if(state.___gaugeOld__.minLabel !== min) {
+ state.___gaugeOld__.minLabel = min;
+ state.gaugeChartMin.innerHTML = state.legendFormatValue(min);
+ }
+ if(state.___gaugeOld__.maxLabel !== max) {
+ state.___gaugeOld__.maxLabel = max;
+ state.gaugeChartMax.innerHTML = state.legendFormatValue(max);
+ }
+ };
+
+ NETDATA.gaugeClearSelection = function(state) {
+ if(typeof state.gaugeEvent !== 'undefined') {
+ if(state.gaugeEvent.timer !== null)
+ clearTimeout(state.gaugeEvent.timer);
+
+ state.gaugeEvent.timer = null;
+ }
+
+ if(state.isAutoRefreshed() === true && state.data !== null) {
+ NETDATA.gaugeChartUpdate(state, state.data);
+ }
+ else {
+ NETDATA.gaugeAnimation(state, false);
+ NETDATA.gaugeSet(state, null, null, null);
+ NETDATA.gaugeSetLabels(state, null, null, null);
+ }
+
+ NETDATA.gaugeAnimation(state, true);
+ return true;
+ };
+
+ NETDATA.gaugeSetSelection = function(state, t) {
+ if(state.timeIsVisible(t) !== true)
+ return NETDATA.gaugeClearSelection(state);
+
+ var slot = state.calculateRowForTime(t);
+ if(slot < 0 || slot >= state.data.result.length)
+ return NETDATA.gaugeClearSelection(state);
+
+ if(typeof state.gaugeEvent === 'undefined') {
+ state.gaugeEvent = {
+ timer: null,
+ value: 0,
+ min: 0,
+ max: 0
+ };
+ }
+
+ var value = state.data.result[state.data.result.length - 1 - slot];
+ var max = (state.gaugeMax === null)?state.data.max:state.gaugeMax;
+ var min = 0;
+
+ state.gaugeEvent.value = value;
+ state.gaugeEvent.max = max;
+ state.gaugeEvent.min = min;
+ NETDATA.gaugeSetLabels(state, value, min, max);
+
+ if(state.gaugeEvent.timer === null) {
+ NETDATA.gaugeAnimation(state, false);
+
+ state.gaugeEvent.timer = setTimeout(function() {
+ state.gaugeEvent.timer = null;
+ NETDATA.gaugeSet(state, state.gaugeEvent.value, state.gaugeEvent.min, state.gaugeEvent.max);
+ }, NETDATA.options.current.charts_selection_animation_delay);
+ }
+
+ return true;
+ };
+
+ NETDATA.gaugeChartUpdate = function(state, data) {
+ var value, min, max;
+
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+ value = 0;
+ min = 0;
+ max = 1;
+ NETDATA.gaugeSetLabels(state, null, null, null);
+ }
+ else {
+ value = data.result[0];
+ min = 0;
+ max = (state.gaugeMax === null)?data.max:state.gaugeMax;
+ if(value > max) max = value;
+ NETDATA.gaugeSetLabels(state, value, min, max);
+ }
+
+ NETDATA.gaugeSet(state, value, min, max);
+ return true;
+ };
+
+ NETDATA.gaugeChartCreate = function(state, data) {
+ var self = $(state.element);
+ // var chart = $(state.element_chart);
+
+ var value = data.result[0];
+ var max = self.data('gauge-max-value') || null;
+ var adjust = self.data('gauge-adjust') || null;
+ var pointerColor = self.data('gauge-pointer-color') || NETDATA.themes.current.gauge_pointer;
+ var strokeColor = self.data('gauge-stroke-color') || NETDATA.themes.current.gauge_stroke;
+ var startColor = self.data('gauge-start-color') || state.chartColors()[0];
+ var stopColor = self.data('gauge-stop-color') || void 0;
+ var generateGradient = self.data('gauge-generate-gradient') || false;
+
+ if(max === null) {
+ max = data.max;
+ state.gaugeMax = null;
+ }
+ else
+ state.gaugeMax = max;
+
+ var width = state.chartWidth(), height = state.chartHeight(); //, ratio = 1.5;
+ //switch(adjust) {
+ // case 'width': width = height * ratio; break;
+ // case 'height':
+ // default: height = width / ratio; break;
+ //}
+ //state.element.style.width = width.toString() + 'px';
+ //state.element.style.height = height.toString() + 'px';
+
+ var lum_d = 0.05;
+
+ var options = {
+ lines: 12, // The number of lines to draw
+ angle: 0.15, // The length of each line
+ lineWidth: 0.44, // 0.44 The line thickness
+ pointer: {
+ length: 0.8, // 0.9 The radius of the inner circle
+ strokeWidth: 0.035, // The rotation offset
+ color: pointerColor // Fill color
+ },
+ colorStart: startColor, // Colors
+ colorStop: stopColor, // just experiment with them
+ strokeColor: strokeColor, // to see which ones work best for you
+ limitMax: true,
+ generateGradient: generateGradient,
+ gradientType: 0
+ };
+
+ if(generateGradient === false && NETDATA.themes.current.gauge_gradient === true) {
+ options.percentColors = [
+ [0.0, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 0))],
+ [0.1, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 1))],
+ [0.2, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 2))],
+ [0.3, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 3))],
+ [0.4, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 4))],
+ [0.5, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 5))],
+ [0.6, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 6))],
+ [0.7, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 7))],
+ [0.8, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 8))],
+ [0.9, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 9))],
+ [1.0, NETDATA.colorLuminance(startColor, 0.0)]];
+ }
+
+ state.gauge_canvas = document.createElement('canvas');
+ state.gauge_canvas.id = 'gauge-' + state.uuid + '-canvas';
+ state.gauge_canvas.className = 'gaugeChart';
+ state.gauge_canvas.width = width;
+ state.gauge_canvas.height = height;
+ state.element_chart.appendChild(state.gauge_canvas);
+
+ var valuefontsize = Math.floor(height / 6);
+ var valuetop = Math.round((height - valuefontsize - (height / 6)) / 2);
+ state.gaugeChartLabel = document.createElement('span');
+ state.gaugeChartLabel.className = 'gaugeChartLabel';
+ state.gaugeChartLabel.style.fontSize = valuefontsize + 'px';
+ state.gaugeChartLabel.style.top = valuetop.toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartLabel);
+
+ var titlefontsize = Math.round(valuefontsize / 2);
+ var titletop = 0;
+ state.gaugeChartTitle = document.createElement('span');
+ state.gaugeChartTitle.className = 'gaugeChartTitle';
+ state.gaugeChartTitle.innerHTML = state.title;
+ state.gaugeChartTitle.style.fontSize = titlefontsize + 'px';
+ state.gaugeChartTitle.style.lineHeight = titlefontsize + 'px';
+ state.gaugeChartTitle.style.top = titletop.toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartTitle);
+
+ var unitfontsize = Math.round(titlefontsize * 0.9);
+ state.gaugeChartUnits = document.createElement('span');
+ state.gaugeChartUnits.className = 'gaugeChartUnits';
+ state.gaugeChartUnits.innerHTML = state.units;
+ state.gaugeChartUnits.style.fontSize = unitfontsize + 'px';
+ state.element_chart.appendChild(state.gaugeChartUnits);
+
+ state.gaugeChartMin = document.createElement('span');
+ state.gaugeChartMin.className = 'gaugeChartMin';
+ state.gaugeChartMin.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartMin);
+
+ state.gaugeChartMax = document.createElement('span');
+ state.gaugeChartMax.className = 'gaugeChartMax';
+ state.gaugeChartMax.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartMax);
+
+ // when we just re-create the chart
+ // do not animate the first update
+ var animate = true;
+ if(typeof state.gauge_instance !== 'undefined')
+ animate = false;
+
+ state.gauge_instance = new Gauge(state.gauge_canvas).setOptions(options); // create sexy gauge!
+
+ state.___gaugeOld__ = {
+ value: value,
+ min: 0,
+ max: max,
+ valueLabel: null,
+ minLabel: null,
+ maxLabel: null
+ };
+
+ // we will always feed a percentage
+ state.gauge_instance.minValue = 0;
+ state.gauge_instance.maxValue = 100;
- data.state.google_instance = gchart;
- data.state.google_options = options;
+ NETDATA.gaugeAnimation(state, animate);
+ NETDATA.gaugeSet(state, value, 0, max);
+ NETDATA.gaugeSetLabels(state, value, 0, max);
+ NETDATA.gaugeAnimation(state, true);
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
initialize: NETDATA.dygraphInitialize,
create: NETDATA.dygraphChartCreate,
update: NETDATA.dygraphChartUpdate,
+ resize: function(state) {
+ if(typeof state.dygraph_instance.resize === 'function')
+ state.dygraph_instance.resize();
+ },
setSelection: NETDATA.dygraphSetSelection,
clearSelection: NETDATA.dygraphClearSelection,
+ toolboxPanAndZoom: NETDATA.dygraphToolboxPanAndZoom,
initialized: false,
enabled: true,
- format: 'json',
- options: 'ms|flip',
- jsonWrapper: true,
- pixels_per_point: 2,
- detects_dimensions_on_update: false
+ format: function(state) { return 'json'; },
+ options: function(state) { return 'ms|flip'; },
+ legend: function(state) {
+ if(this.isSparkline(state) === false)
+ return 'right-side';
+ else
+ return null;
+ },
+ autoresize: function(state) { return true; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return true; },
+ pixels_per_point: function(state) {
+ if(this.isSparkline(state) === false)
+ return 3;
+ else
+ return 2;
+ },
+
+ isSparkline: function(state) {
+ if(typeof state.dygraph_sparkline === 'undefined') {
+ var t = $(state.element).data('dygraph-theme');
+ if(t === 'sparkline')
+ state.dygraph_sparkline = true;
+ else
+ state.dygraph_sparkline = false;
+ }
+ return state.dygraph_sparkline;
+ }
},
"sparkline": {
initialize: NETDATA.sparklineInitialize,
create: NETDATA.sparklineChartCreate,
update: NETDATA.sparklineChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ toolboxPanAndZoom: null,
initialized: false,
enabled: true,
- format: 'array',
- options: 'flip|abs',
- jsonWrapper: true,
- pixels_per_point: 2,
- detects_dimensions_on_update: false
+ format: function(state) { return 'array'; },
+ options: function(state) { return 'flip|abs'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
},
"peity": {
initialize: NETDATA.peityInitialize,
create: NETDATA.peityChartCreate,
update: NETDATA.peityChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ toolboxPanAndZoom: null,
initialized: false,
enabled: true,
- format: 'ssvcomma',
- options: 'null2zero|flip|abs',
- jsonWrapper: true,
- pixels_per_point: 2,
- detects_dimensions_on_update: false
+ format: function(state) { return 'ssvcomma'; },
+ options: function(state) { return 'null2zero|flip|abs'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
},
"morris": {
initialize: NETDATA.morrisInitialize,
create: NETDATA.morrisChartCreate,
update: NETDATA.morrisChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ toolboxPanAndZoom: null,
initialized: false,
enabled: true,
- format: 'json',
- options: 'objectrows|ms',
- jsonWrapper: true,
- pixels_per_point: 10,
- detects_dimensions_on_update: false
+ format: function(state) { return 'json'; },
+ options: function(state) { return 'objectrows|ms'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 50; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 15; }
},
"google": {
initialize: NETDATA.googleInitialize,
create: NETDATA.googleChartCreate,
update: NETDATA.googleChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, //function(state, t) { return true; },
+ clearSelection: undefined, //function(state) { return true; },
+ toolboxPanAndZoom: null,
initialized: false,
enabled: true,
- format: 'datatable',
- options: '',
- jsonWrapper: true,
- pixels_per_point: 2,
- detects_dimensions_on_update: true
+ format: function(state) { return 'datatable'; },
+ options: function(state) { return ''; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 300; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 4; }
},
"raphael": {
initialize: NETDATA.raphaelInitialize,
create: NETDATA.raphaelChartCreate,
update: NETDATA.raphaelChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'json'; },
+ options: function(state) { return ''; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
+ },
+ "c3": {
+ initialize: NETDATA.c3Initialize,
+ create: NETDATA.c3ChartCreate,
+ update: NETDATA.c3ChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'csvjsonarray'; },
+ options: function(state) { return 'milliseconds'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 15; }
+ },
+ "d3": {
+ initialize: NETDATA.d3Initialize,
+ create: NETDATA.d3ChartCreate,
+ update: NETDATA.d3ChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'json'; },
+ options: function(state) { return ''; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
+ },
+ "easypiechart": {
+ initialize: NETDATA.easypiechartInitialize,
+ create: NETDATA.easypiechartChartCreate,
+ update: NETDATA.easypiechartChartUpdate,
+ resize: null,
+ setSelection: NETDATA.easypiechartSetSelection,
+ clearSelection: NETDATA.easypiechartClearSelection,
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'array'; },
+ options: function(state) { return 'absolute'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return true; },
+ pixels_per_point: function(state) { return 3; },
+ aspect_ratio: 100
+ },
+ "gauge": {
+ initialize: NETDATA.gaugeInitialize,
+ create: NETDATA.gaugeChartCreate,
+ update: NETDATA.gaugeChartUpdate,
+ resize: null,
+ setSelection: NETDATA.gaugeSetSelection,
+ clearSelection: NETDATA.gaugeClearSelection,
+ toolboxPanAndZoom: null,
initialized: false,
enabled: true,
- format: 'json',
- options: '',
- jsonWrapper: true,
- pixels_per_point: 1,
- detects_dimensions_on_update: false
+ format: function(state) { return 'array'; },
+ options: function(state) { return 'absolute'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return true; },
+ pixels_per_point: function(state) { return 3; },
+ aspect_ratio: 70
}
};
NETDATA.registerChartLibrary = function(library, url) {
- console.log("registering chart library: " + library);
+ if(NETDATA.options.debug.libraries === true)
+ console.log("registering chart library: " + library);
NETDATA.chartLibraries[library].url = url;
NETDATA.chartLibraries[library].initialized = true;
NETDATA.chartLibraries[library].enabled = true;
-
- // console.log(NETDATA.chartLibraries);
- }
+ };
// ----------------------------------------------------------------------------------------------------------------
- // load all libraries and initialize
+ // Start up
+
+ NETDATA.requiredJs = [
+ {
+ url: NETDATA.serverDefault + 'lib/bootstrap.min.js',
+ isAlreadyLoaded: function() {
+ // check if bootstrap is loaded
+ if(typeof $().emulateTransitionEnd == 'function')
+ return true;
+ else {
+ if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+ return true;
+ else
+ return false;
+ }
+ }
+ },
+ {
+ url: NETDATA.serverDefault + 'lib/jquery.nanoscroller.min.js',
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.serverDefault + 'lib/bootstrap-toggle.min.js',
+ isAlreadyLoaded: function() { return false; }
+ }
+ ];
+
+ NETDATA.requiredCSS = [
+ {
+ url: NETDATA.themes.current.bootstrap_css,
+ isAlreadyLoaded: function() {
+ if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+ return true;
+ else
+ return false;
+ }
+ },
+ {
+ url: NETDATA.serverDefault + 'css/font-awesome.min.css',
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.themes.current.dashboard_css,
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.serverDefault + 'css/bootstrap-toggle.min.css',
+ isAlreadyLoaded: function() { return false; }
+ }
+ ];
+
+ NETDATA.loadRequiredJs = function(index, callback) {
+ if(index >= NETDATA.requiredJs.length) {
+ if(typeof callback === 'function')
+ callback();
+ return;
+ }
+
+ if(NETDATA.requiredJs[index].isAlreadyLoaded()) {
+ NETDATA.loadRequiredJs(++index, callback);
+ return;
+ }
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.requiredJs[index].url);
+
+ $.ajax({
+ url: NETDATA.requiredJs[index].url,
+ cache: true,
+ dataType: "script"
+ })
+ .success(function() {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loaded ' + NETDATA.requiredJs[index].url);
+
+ NETDATA.loadRequiredJs(++index, callback);
+ })
+ .fail(function() {
+ alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url);
+ })
+ };
+
+ NETDATA.loadRequiredCSS = function(index) {
+ if(index >= NETDATA.requiredCSS.length)
+ return;
+
+ if(NETDATA.requiredCSS[index].isAlreadyLoaded()) {
+ NETDATA.loadRequiredCSS(++index);
+ return;
+ }
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.requiredCSS[index].url);
+
+ NETDATA._loadCSS(NETDATA.requiredCSS[index].url);
+ NETDATA.loadRequiredCSS(++index);
+ };
NETDATA.errorReset();
+ NETDATA.loadRequiredCSS(0);
NETDATA._loadjQuery(function() {
- $.getScript(NETDATA.serverDefault + 'lib/visible.js').then(function() {
- NETDATA._loadCSS(NETDATA.dashboard_css);
+ NETDATA.loadRequiredJs(0, function() {
+ if(typeof $().emulateTransitionEnd == 'function') {
+ // bootstrap is not available
+ NETDATA.options.current.show_help = false;
+ }
- if(typeof netdataDontInit == 'undefined')
- NETDATA.init();
- })
+ if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('starting chart refresh thread');
+
+ NETDATA.start();
+ }
+ });
});
-})(window);
+ // window.NETDATA = NETDATA;
+// })(window, document);
projects / netdata.git / blobdiff