// 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
// 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') {
script = document.currentScript;
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;
-
- if(link.port) base += ":" + link.port;
- base += "/";
-
- return base;
+ return script;
};
if(typeof netdataServer !== 'undefined')
NETDATA.serverDefault = netdataServer;
- else
- NETDATA.serverDefault = NETDATA._scriptSource();
+ else {
+ var s = NETDATA._scriptSource();
+ NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)*$/g, "");
+ }
if(NETDATA.serverDefault === null)
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-1.11.3.min.js';
+ 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.dashboard_css = NETDATA.serverDefault + 'dashboard.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 netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined')
+ NETDATA.themes.current = NETDATA.themes[netdataTheme];
+ else
+ 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/
// '#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11',
// '#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ];
- NETDATA.colors = [ '#3366CC', '#DC3912', '#109618', '#FF9900', '#990099', '#DD4477', '#3B3EAC',
- '#66AA00', '#0099C6', '#B82E2E', '#AAAA11', '#5574A6', '#994499', '#22AA99',
- '#6633CC', '#E67300', '#316395', '#8B0707', '#329262', '#3B3EAC' ];
// an alternative set
// http://www.mulinblog.com/a-color-palette-optimized-for-data-visualization/
// (blue) (red) (orange) (green) (pink) (brown) (purple) (yellow) (gray)
after: -600, // panning
pixels_per_point: 1, // the detail of the chart
fill_luminance: 0.8 // luminance of colors in solit areas
- }
+ };
// ----------------------------------------------------------------------------------------------------------------
// global options
NETDATA.options = {
- readyCallback: null, // a callback when we load the required stuf
pauseCallback: null, // a callback when we are really paused
pause: false, // when enabled we don't auto-refresh the charts
// rendering the chart that is panned or zoomed).
// Used with .current.global_pan_sync_time
- last_resized: 0, // the timestamp of the last resize request
+ last_resized: new Date().getTime(), // the timestamp of the last resize request
crossDomainAjax: false, // enable this to request crossDomain AJAX
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: 1500, // ms - when you pan or zoon a chart, the background
+ 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: 2500, // ms - when you pan or zoom a chart, wait this amount
+ 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_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
- eliminate_zero_dimensions: false, // do not show dimensions with just zeros
+ show_help: true, // when enabled the charts will show some help
+ show_help_delay_show_ms: 500,
+ show_help_delay_hide_ms: 0,
- color_fill_opacity: {
- line: 1.0,
- area: 0.2,
- stacked: 0.8
- }
+ 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: {
focus: false,
visibility: false,
chart_data_url: false,
- chart_errors: true,
+ 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 === true)
console.log('welcome to NETDATA');
- window.onresize = function(event) {
- NETDATA.options.last_page_scroll = new Date().getTime();
+ NETDATA.onresize = function() {
NETDATA.options.last_resized = new Date().getTime();
+ NETDATA.onscroll();
};
- window.onscroll = function(event) {
+ NETDATA.onscroll = function() {
+ // console.log('onscroll');
+
NETDATA.options.last_page_scroll = new Date().getTime();
if(NETDATA.options.targets === null) return;
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;
while(host.slice(-1) === '/')
host = host.substring(0, host.length - 1);
- self = this;
+ var self = this;
$.ajax({
url: host + '/api/v1/charts',
cache: false
})
.done(function(data) {
- var h = NETDATA.chartRegistry.fixid(host);
- //console.log('downloaded all charts from ' + host + ' (' + h + ')');
- self.charts[h] = data.charts;
+ 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);
});
master: null, // the master chart (state), to which all others
// are synchronized
- force_before_ms: null, // the timespan to sync all other charts
+ force_before_ms: null, // the timespan to sync all other charts
force_after_ms: null,
// set a new master
return;
if(this.master !== null && this.master !== state)
- this.master.resetChart();
+ this.master.resetChart(true, true);
var now = new Date().getTime();
this.master = state;
// clear the master
clearMaster: function() {
- if(NETDATA.options.current.sync_pan_and_zoom === false)
- return;
-
if(this.master !== null) {
- var state = this.master;
- this.master = null; // prevent infinite recursion
- this.seq = 0;
- state.resetChart();
- NETDATA.options.auto_refresher_stop_until = 0;
+ 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
if(this.master === null || this.seq === 0)
return false;
- if(state.needsRecreation())
- return true;
+ //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
- chartState = function(element) {
- self = $(element);
-
- $.extend(this, {
- 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,
-
- // 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: self.data('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
-
- colors: null,
- colors_assigned: {},
- colors_available: null,
-
- element: element, // the element already created by the user
- element_message: null,
- element_loading: null,
- element_chart: null, // the element with the chart
- element_chart_id: null,
- element_legend: null, // the element with the legend of the chart (if created by us)
- element_legend_id: null,
- element_legend_childs: {
- hidden: null,
- title_date: null,
- title_time: null,
- title_units: null,
- nano: null,
- nano_options: null,
- series: null
- },
+ // FIXME
+ // move color assignment to dimensions, here
- chart_url: null, // string - the url to download chart info
- chart: null, // object - the chart as downloaded from the server
-
- 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, // boolean - console.log() debug info about this chart
+ 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;
+
+ if(parent.selected_count > parent.unselected_count)
+ this.selected = true;
+ else
+ this.selected = false;
- dom_created: false, // boolean - is the DOM for the chart created?
- chart_created: false, // boolean - is the library.create() been called?
+ this.setOptions(name_div, value_div, color);
+ };
- updates_counter: 0, // numeric - the number of refreshes made so far
- updates_since_last_creation: 0,
+ dimensionStatus.prototype.invalidate = function() {
+ this.name_div = null;
+ this.value_div = null;
+ this.enabled = false;
+ };
- tm: {
- last_info_downloaded: 0, // milliseconds - the timestamp we downloaded the chart
+ dimensionStatus.prototype.setOptions = function(name_div, value_div, color) {
+ this.color = color;
- last_updated: 0, // the timestamp the chart last updated with data
+ 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';
+ }
- pan_and_zoom_seq: 0, // the sequence number of the global synchronization
- // between chart.
- // Used with NETDATA.globalPanAndZoom.seq
+ 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';
+ }
- last_visible_check: 0, // the time we last checked if it is visible
+ this.enabled = true;
+ this.setHandler();
+ };
- 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
+ dimensionStatus.prototype.setHandler = function() {
+ if(this.enabled === false) return;
- last_autorefreshed: 0 // the time the chart was last refreshed
- },
+ var ds = this;
- current: null, // auto, pan, zoom
- // this is a pointer to one of the sub-classes below
-
- auto: {
- name: 'auto',
- autorefresh: true,
- url: 'invalid://', // string - the last url used to update the chart
- 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_update_at: 0, // the timestamp to force the update at
- 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
- 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_update_at: 0, // the timestamp to force the update at
- 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
- 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_update_at: 0, // the timestamp to force the update at
- force_before_ms: null,
- force_after_ms: null,
- requested_before_ms: null,
- requested_after_ms: null,
- first_entry_ms: null,
- last_entry_ms: null
- },
+ // 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();
- 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
- });
+ 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 {
+ 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();
+ }
+ }
- this.init();
- }
+ ds.parent.state.redrawChart();
+ }
+ };
- // ----------------------------------------------------------------------------------------------------------------
- // global selection sync
+ dimensionStatus.prototype.select = function() {
+ if(this.enabled === false) return;
- NETDATA.globalSelectionSync = {
- state: null,
- dont_sync_before: 0,
- slaves: []
+ this.name_div.className = 'netdata-legend-name selected';
+ this.value_div.className = 'netdata-legend-value selected';
+ this.selected = true;
};
- // prevent to global selection sync for some time
- chartState.prototype.globalSelectionSyncDelay = function(ms) {
- if(NETDATA.options.current.sync_selection === false)
- return;
+ dimensionStatus.prototype.unselect = function() {
+ if(this.enabled === 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;
- }
+ this.name_div.className = 'netdata-legend-name not-selected';
+ this.value_div.className = 'netdata-legend-value hidden';
+ this.selected = false;
+ };
- // can we globally apply selection sync?
- chartState.prototype.globalSelectionSyncAbility = function() {
- if(NETDATA.options.current.sync_selection === false)
- return false;
+ dimensionStatus.prototype.isSelected = function() {
+ return(this.enabled === true && this.selected === true);
+ };
- if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime()) return false;
- return true;
- }
+ // ----------------------------------------------------------------------------------------------------------------
- chartState.prototype.globalSelectionSyncIsMaster = function() {
- if(NETDATA.globalSelectionSync.state === this)
- return true;
+ dimensionsVisibility = function(state) {
+ this.state = state;
+ this.len = 0;
+ this.dimensions = {};
+ this.selected_count = 0;
+ this.unselected_count = 0;
+ };
+
+ 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
- return false;
- }
+ this.dimensions[label].setOptions(name_div, value_div, color);
- // this chart is the master of the global selection sync
- chartState.prototype.globalSelectionSyncBeMaster = function() {
- // am I the master?
- if(this.globalSelectionSyncIsMaster()) {
- if(this.debug === true)
- this.log('sync: I am the master already.');
+ return this.dimensions[label];
+ };
- return;
- }
+ dimensionsVisibility.prototype.dimensionGet = function(label) {
+ return this.dimensions[label];
+ };
- if(NETDATA.globalSelectionSync.state) {
- if(this.debug === true)
- this.log('sync: I am not the sync master. Resetting global sync.');
+ dimensionsVisibility.prototype.invalidateAll = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].invalidate();
+ };
- this.globalSelectionSyncStop();
- }
+ dimensionsVisibility.prototype.selectAll = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].select();
+ };
- // become the master
- if(this.debug === true)
- this.log('sync: becoming sync master.');
+ dimensionsVisibility.prototype.countSelected = function() {
+ var i = 0;
+ for(var d in this.dimensions)
+ if(this.dimensions[d].isSelected()) i++;
- this.selected = true;
- NETDATA.globalSelectionSync.state = this;
+ return i;
+ };
- // find the all slaves
- var targets = NETDATA.options.targets;
- var len = targets.length;
- while(len--) {
- st = targets[len];
+ dimensionsVisibility.prototype.selectNone = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].unselect();
+ };
- if(st === this) {
- if(this.debug === true)
- st.log('sync: not adding me to sync');
+ 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;
}
- else if(st.globalSelectionSyncIsEligible()) {
- if(this.debug === true)
- st.log('sync: adding to sync as slave');
- st.globalSelectionSyncBeSlave();
+ if(ds.isSelected()) {
+ ret.push(true);
+ this.selected_count++;
+ }
+ else {
+ ret.push(false);
+ this.unselected_count++;
}
}
- // this.globalSelectionSyncDelay(100);
- }
+ if(this.selected_count === 0 && this.unselected_count !== 0) {
+ this.selectAll();
+ return this.selected2BooleanArray(array);
+ }
- // can the chart participate to the global selection sync as a slave?
- chartState.prototype.globalSelectionSyncIsEligible = function() {
- if(this.enabled === true
- && this.library !== null
- && typeof this.library.setSelection === 'function'
- && this.isVisible()
- && this.dom_created === true
- && this.chart_created === true)
- return true;
+ return ret;
+ };
- return false;
- }
- // this chart is a slave of the global selection sync
- chartState.prototype.globalSelectionSyncBeSlave = function() {
- if(NETDATA.globalSelectionSync.state !== this)
- NETDATA.globalSelectionSync.slaves.push(this);
- }
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
- // sync all the visible charts to the given time
- // this is to be called from the chart libraries
- chartState.prototype.globalSelectionSync = function(t) {
- if(this.globalSelectionSyncAbility() === false) {
- if(this.debug === true)
- this.log('sync: cannot sync (yet?).');
+ NETDATA.globalSelectionSync = {
+ state: null,
+ dont_sync_before: 0,
+ last_t: 0,
+ slaves: [],
- return;
+ stop: function() {
+ if(this.state !== null)
+ this.state.globalSelectionSyncStop();
+ },
+
+ delay: function() {
+ if(this.state !== null) {
+ this.state.globalSelectionSyncDelay();
+ }
}
+ };
- if(this.globalSelectionSyncIsMaster() === false) {
- if(this.debug === true)
- this.log('sync: trying to be sync master.');
+ // ----------------------------------------------------------------------------------------------------------------
+ // Our state object, where all per-chart values are stored
- this.globalSelectionSyncBeMaster();
+ chartState = function(element) {
+ var self = $(element);
+ this.element = element;
- if(this.globalSelectionSyncAbility() === false) {
- if(this.debug === true)
- this.log('sync: cannot sync (yet?).');
+ // IMPORTANT:
+ // all private functions should use 'that', instead of 'this'
+ var that = this;
- return;
+ /* 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);
}
- }
- $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
- st.setSelection(t);
- });
- }
+ if(ret) {
+ that.element.innerHTML = that.id + ': ' + msg;
+ that.enabled = false;
+ that.current = that.pan;
+ }
+ };
- // stop syncing all charts to the given time
- chartState.prototype.globalSelectionSyncStop = function() {
- if(NETDATA.globalSelectionSync.slaves.length) {
- if(this.debug === true)
- this.log('sync: cleaning up...');
+ // GUID - a unique identifier for the chart
+ this.uuid = NETDATA.guid();
- var self = this;
- $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
- if(st === self) {
- if(self.debug === true)
- st.log('sync: not adding me to sync stop');
- }
- else {
- if(self.debug === true)
- st.log('sync: removed slave from sync');
+ // string - the name of chart
+ this.id = self.data('netdata');
- st.clearSelection();
- }
- });
+ // string - the key for localStorage settings
+ this.settings_id = self.data('id') || null;
- NETDATA.globalSelectionSync.slaves = [];
- NETDATA.globalSelectionSync.state = null;
- }
+ // the user given dimensions of the element
+ this.width = self.data('width') || NETDATA.chartDefaults.width;
+ this.height = self.data('height') || NETDATA.chartDefaults.height;
- // since we are the sync master, we should not call this.clearSelection()
- // dygraphs is taking care of visualizing our selection.
- this.selected = false;
- }
+ 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
- chartState.prototype.setSelection = function(t) {
- if(typeof this.library.setSelection === 'function') {
- if(this.library.setSelection(this, t) === true)
- this.selected = true;
- else
- this.selected = false;
+ resizeChartToHeight(height);
+ });
}
- else this.selected = true;
- if(this.selected === true && this.debug === true)
- this.log('selection set to ' + t.toString());
+ // string - the netdata server URL, without any path
+ this.host = self.data('host') || NETDATA.chartDefaults.host;
- return this.selected;
- }
+ // 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);
- chartState.prototype.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');
- }
+ // string - the grouping method requested by the user
+ this.method = self.data('method') || NETDATA.chartDefaults.method;
- this.legendReset();
- return this.selected;
- }
+ // the time-range requested by the user
+ this.after = self.data('after') || NETDATA.chartDefaults.after;
+ this.before = self.data('before') || NETDATA.chartDefaults.before;
- // find if a timestamp (ms) is shown in the current chart
- chartState.prototype.timeIsVisible = function(t) {
- if(t >= this.current.after_ms && t <= this.current.before_ms)
- return true;
- return false;
- },
+ // the pixels per point requested by the user
+ this.pixels_per_point = self.data('pixels-per-point') || 1;
+ this.points = self.data('points') || null;
- chartState.prototype.calculateRowForTime = function(t) {
- if(this.timeIsVisible(t) === false) return -1;
- return Math.floor((t - this.current.after_ms) / this.current.view_update_every);
- }
+ // 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;
- // console logging
- chartState.prototype.log = function(msg) {
- console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
- }
+ // object - the chart library used
+ this.library = null;
- chartState.prototype.pauseChart = function() {
- if(this.paused === false) {
- if(this.debug === true)
- this.log('paused');
+ // color management
+ this.colors = null;
+ this.colors_assigned = {};
+ this.colors_available = null;
- this.paused = true;
- }
- }
+ // the element already created by the user
+ this.element_message = null;
- chartState.prototype.unpauseChart = function() {
- if(this.paused) {
- if(this.debug === true)
- this.log('unpaused');
+ // the element with the chart
+ this.element_chart = null;
- this.paused = false;
- }
- }
-
- chartState.prototype.resetChart = function() {
- if(NETDATA.globalPanAndZoom.isMaster(this) && this.isVisible())
- NETDATA.globalPanAndZoom.clearMaster();
-
- this.tm.pan_and_zoom_seq = 0;
+ // 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.clearSelection();
+ 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.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(NETDATA.options.current.sync_pan_and_zoom === false && this.isVisible() === true)
- state.updateChart();
- }
+ // this is a pointer to one of the sub-classes below
+ // auto, pan, zoom
+ this.current = this.auto;
- chartState.prototype.setMode = function(m) {
- if(this.current) {
- if(this.current.name === m) return;
-
- this[m].url = this.current.url;
- this[m].view_update_every = this.current.view_update_every;
- this[m].after_ms = this.current.after_ms;
- this[m].before_ms = this.current.before_ms;
- this[m].points = this.current.points;
- this[m].data = this.current.data;
- this[m].requested_before_ms = this.current.requested_before_ms;
- this[m].requested_after_ms = this.current.requested_after_ms;
- this[m].first_entry_ms = this.current.first_entry_ms;
- this[m].last_entry_ms = this.current.last_entry_ms;
- }
-
- if(m === 'auto')
- this.current = this.auto;
- else if(m === 'pan')
- this.current = this.pan;
- else if(m === 'zoom')
- this.current = this.zoom;
+ // 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
- this.current = this.auto;
+ that.library = NETDATA.chartLibraries[that.library_name];
- this.current.force_update_at = 0;
- this.current.force_before_ms = null;
- this.current.force_after_ms = null;
+ // milliseconds - the time the last refresh took
+ this.refresh_dt_ms = 0;
- if(this.debug === true)
- this.log('mode set to ' + this.current.name);
- }
+ // 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
- chartState.prototype.updateChartPanOrZoom = function(after, before) {
- if(before < after) return false;
+ if(refresh_dt_element_name !== null)
+ this.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null;
+ else
+ this.refresh_dt_element = null;
- var min_duration = Math.round((this.chartWidth() / 30 * this.chart.update_every * 1000));
+ this.dimensions_visibility = new dimensionsVisibility(this);
- if(this.debug === true)
- this.log('requested duration of ' + ((before - after) / 1000).toString() + ' (' + after + ' - ' + before + '), minimum ' + min_duration / 1000);
+ this._updating = false;
- if((before - after) < min_duration) return false;
+ // ============================================================================================================
+ // PRIVATE FUNCTIONS
- var current_duration = this.current.before_ms - this.current.after_ms;
- var wanted_duration = before - after;
- var tolerance = this.current.view_update_every * 2;
- var movement = Math.abs(before - this.current.before_ms);
+ var createDOM = function() {
+ if(that.enabled === false) return;
- if(this.debug === true)
- this.log('current duration: ' + current_duration / 1000 + ', wanted duration: ' + wanted_duration / 1000 + ', movement: ' + movement / 1000 + ', tolerance: ' + tolerance / 1000);
+ 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 = '';
- if(Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance) {
- if(this.debug === true)
- this.log('IGNORED');
+ that.element.innerHTML = '';
- return false;
- }
+ that.element_message = document.createElement('div');
+ that.element_message.className = ' netdata-message hidden';
+ that.element.appendChild(that.element_message);
- if(this.current.name === 'auto') {
- this.setMode('pan');
+ that.element_chart = document.createElement('div');
+ that.element_chart.id = that.library_name + '-' + that.uuid + '-chart';
+ that.element.appendChild(that.element_chart);
- if(this.debug === true)
- this.log('updateChartPanOrZoom(): caller did not set proper mode');
- }
+ 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';
- 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 true;
- }
+ 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';
- chartState.prototype.legendFormatValue = function(value) {
- if(value === null || value === 'undefined') return '-';
- if(typeof value !== 'number') return value;
+ 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');
+ }
- var abs = Math.abs(value);
- 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();
- }
+ if(NETDATA.chartDefaults.min_width !== null)
+ $(that.element).css('min-width', NETDATA.chartDefaults.min_width);
- chartState.prototype.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;
+ that.tm.last_dom_created = new Date().getTime();
- value = this.legendFormatValue(value);
+ showLoading();
+ };
- // if the value has not changed, skip DOM update
- if(series.last === value) return;
- series.last = value;
+ /* 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;
- if(series.value !== null) series.value.innerHTML = value;
- if(series.user !== null) series.user.innerHTML = value;
- }
+ that.paused = false;
+ that.selected = false;
- chartState.prototype.legendSetDate = function(ms) {
- if(typeof ms !== 'number') {
- this.legendShowUndefined();
- return;
- }
+ 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
- var d = new Date(ms);
+ 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
- if(this.element_legend_childs.title_date)
- this.element_legend_childs.title_date.innerHTML = d.toLocaleDateString();
+ 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
+ };
- if(this.element_legend_childs.title_time)
- this.element_legend_childs.title_time.innerHTML = d.toLocaleTimeString();
+ 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
- if(this.element_legend_childs.title_units)
- this.element_legend_childs.title_units.innerHTML = this.chart.units;
- }
+ that.tm.last_initialized = new Date().getTime();
+ createDOM();
- chartState.prototype.legendShowUndefined = function() {
- if(this.element_legend_childs.title_date)
- this.element_legend_childs.title_date.innerHTML = ' ';
+ that.setMode('auto');
+ };
- if(this.element_legend_childs.title_time)
- this.element_legend_childs.title_time.innerHTML = this.chart.name;
+ var maxMessageFontSize = function() {
+ // normally we want a font size, as tall as the element
+ var h = that.element_message.clientHeight;
- if(this.element_legend_childs.title_units)
- this.element_legend_childs.title_units.innerHTML = ' ';
+ // but give it some air, 20% let's say, or 5 pixels min
+ var lost = Math.max(h * 0.2, 5);
+ h -= lost;
- if(this.current.data && this.element_legend_childs.series !== null) {
- var labels = this.current.data.dimension_names;
- var i = labels.length;
- while(i--) {
- var label = labels[i];
+ // center the text, verically
+ var paddingTop = (lost - 5) / 2;
- if(typeof label === 'undefined') continue;
- if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
- this.legendSetLabelValue(label, null);
+ // 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;
}
- }
- }
-
- chartState.prototype.legendShowLatestValues = function() {
- if(this.chart === null) return;
- if(this.selected) return;
- if(this.current.data === null || this.element_legend_childs.series === null) {
- this.legendShowUndefined();
- return;
- }
+ // 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;
+ }
- var show_undefined = true;
- if(Math.abs(this.current.data.last_entry_t - this.current.data.before) <= this.current.data.view_update_every)
- show_undefined = false;
+ // set it
+ that.element_message.style.fontSize = h.toString() + 'px';
+ that.element_message.style.paddingTop = paddingTop.toString() + 'px';
+ };
- if(show_undefined)
- this.legendShowUndefined();
- else
- this.legendSetDate(this.current.data.before * 1000);
+ 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 labels = this.current.data.dimension_names;
- var i = labels.length;
- while(i--) {
- var label = labels[i];
+ var showMessageIcon = function(icon) {
+ that.element_message.innerHTML = icon;
+ that.element_message.className = 'netdata-message icon';
+ maxMessageFontSize();
+ that.___messageHidden___ = undefined;
+ };
- if(typeof label === 'undefined') continue;
- if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+ var hideMessage = function() {
+ if(typeof that.___messageHidden___ === 'undefined') {
+ that.___messageHidden___ = true;
+ that.element_message.className = 'netdata-message hidden';
+ }
+ };
- if(show_undefined)
- this.legendSetLabelValue(label, null);
+ 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
- this.legendSetLabelValue(label, this.current.data.result_latest_values[i]);
- }
- }
-
- chartState.prototype.legendReset = function() {
- this.legendShowLatestValues();
- }
+ icon = '<i class="fa fa-area-chart"></i>';
- // this should be called just ONCE per dimension per chart
- chartState.prototype._chartDimensionColor = function(label) {
- if(this.colors === null) this.chartColors();
+ showMessageIcon(icon + ' netdata');
+ };
- if(typeof this.colors_assigned[label] === 'undefined') {
- if(this.colors_available.length === 0) {
- for(var i = 0, len = NETDATA.colors.length; i < len ; i++)
- this.colors_available.push(NETDATA.colors[i]);
+ var showLoading = function() {
+ if(that.chart_created === false) {
+ showMessageIcon('<i class="fa fa-refresh"></i> netdata');
+ return true;
}
+ return false;
+ };
- this.colors_assigned[label] = this.colors_available.shift();
+ var isHidden = function() {
+ if(typeof that.___chartIsHidden___ !== 'undefined')
+ return true;
- 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] + '"');
- }
+ return false;
+ };
- this.colors.push(this.colors_assigned[label]);
- return this.colors_assigned[label];
- }
+ // 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;
+ };
- chartState.prototype.chartColors = function() {
- if(this.colors !== null) return this.colors;
+ // unhide the chart, when it is visible - called from isVisible()
+ var unhideChart = function() {
+ if(isHidden() === false) return;
- this.colors = new Array();
- this.colors_available = new Array();
- // this.colors_assigned = {};
+ that.___chartIsHidden___ = undefined;
+ that.updates_since_last_unhide = 0;
- var c = $(this.element).data('colors');
- if(typeof c !== 'undefined' && c !== null) {
- if(typeof c !== 'string') {
- this.log('invalid color given: ' + c + ' (give a space separated list of colors)');
+ 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 {
- c = c.split(' ');
- for(var i = 0, len = c.length; i < len ; i++)
- this.colors_available.push(c[i]);
+ that.tm.last_unhidden = new Date().getTime();
+ that.element_chart.style.display = '';
+ if(that.element_legend !== null) that.element_legend.style.display = '';
+ resizeChart();
+ hideMessage();
}
- }
+ };
- // push all the standard colors too
- for(var i = 0, len = NETDATA.colors.length; i < len ; i++)
- this.colors_available.push(NETDATA.colors[i]);
+ var canBeRendered = function() {
+ if(isHidden() === true || that.isVisible(true) === false)
+ return false;
- return this.colors;
- }
+ return true;
+ };
- chartState.prototype.legendUpdateDOM = function() {
- var needed = false;
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryUpdateSafely = function(data) {
+ var status;
- // 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.current.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.current.data.dimension_names.toString();
- if(labels !== this.element_legend_childs.series.labels_key) {
- needed = true;
+ if(canBeRendered() === false)
+ return false;
- if(this.debug === true)
- this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"');
+ 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(needed === false) {
- // make sure colors available
- this.chartColors();
+ if(status === false) {
+ error('chart failed to be updated as ' + that.library_name);
+ return false;
+ }
- // do we have to update the current values?
- // we do this, only when the visible chart is current
- if(Math.abs(this.current.data.last_entry_t - this.current.data.before) <= this.current.data.view_update_every) {
- if(this.debug === true)
- this.log('chart in running... updating values on legend...');
+ return true;
+ };
- var labels = this.current.data.dimension_names;
- var i = labels.length;
- while(i--)
- this.legendSetLabelValue(labels[i], this.current.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
- this.colors = null;
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryCreateSafely = function(data) {
+ var status;
- if(this.debug === true)
- this.log('updating Legend DOM');
+ if(canBeRendered() === false)
+ return false;
- self = $(this.element);
- var genLabel = function(state, parent, name, count) {
- var color = state._chartDimensionColor(name);
+ 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;
+ }
+ }
- 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)
- me.log('Cannot find element with id: ' + user_id);
+ if(status === false) {
+ error('chart failed to be created as ' + that.library_name);
+ return false;
}
- state.element_legend_childs.series[name] = {
- name: document.createElement('span'),
- value: document.createElement('span'),
- user: user_element,
- last: null
- };
+ that.chart_created = true;
+ that.updates_since_last_creation = 0;
+ return true;
+ };
- var label = state.element_legend_childs.series[name];
-
- label.name.className += ' netdata-legend-name';
- label.value.className += ' netdata-legend-value';
- label.name.title = name;
- label.value.title = name;
-
- 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);
-
- label.name.style.color = color;
- label.value.style.color = color;
-
- 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 = {
- 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
- },
- series: {}
- };
+ // ----------------------------------------------------------------------------------------------------------------
+ // Chart Resize
- this.element_legend.innerHTML = '';
+ // 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;
- this.element_legend_childs.title_date.className += " netdata-legend-title-date";
- this.element_legend.appendChild(this.element_legend_childs.title_date);
+ if(that.needsRecreation()) {
+ init();
+ }
+ else if(typeof that.library.resize === 'function') {
+ that.library.resize(that);
- this.element_legend.appendChild(document.createElement('br'));
+ if(that.element_legend_childs.nano !== null && that.element_legend_childs.nano_options !== null)
+ $(that.element_legend_childs.nano).nanoScroller();
- this.element_legend_childs.title_time.className += " netdata-legend-title-time";
- this.element_legend.appendChild(this.element_legend_childs.title_time);
+ maxMessageFontSize();
+ }
- this.element_legend.appendChild(document.createElement('br'));
+ that.tm.last_resized = new Date().getTime();
+ }
+ };
- this.element_legend_childs.title_units.className += " netdata-legend-title-units";
- this.element_legend.appendChild(this.element_legend_childs.title_units);
+ // 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;
- this.element_legend.appendChild(document.createElement('br'));
+ if(that.settings_id !== null)
+ NETDATA.localStorageSet('chart_heights.' + that.settings_id, h);
- this.element_legend_childs.nano.className = 'netdata-legend-series';
- this.element_legend.appendChild(this.element_legend_childs.nano);
+ 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;
- content.className = 'netdata-legend-series-content';
- this.element_legend_childs.nano.appendChild(content);
- }
- else {
- this.element_legend_childs = {
- title_date: null,
- title_time: null,
- title_units: null,
- nano: null,
- nano_options: null,
- series: {}
- };
- }
+ // force a resize
+ that.tm.last_resized = 0;
+ resizeChart();
+ };
- if(this.current.data) {
- this.element_legend_childs.series.labels_key = this.current.data.dimension_names.toString();
- if(this.debug === true)
- this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"');
+ 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;
+ }
- for(var i = 0, len = this.current.data.dimension_names.length; i < len ;i++) {
- genLabel(this, content, this.current.data.dimension_names[i], i);
+ 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 {
- 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);
+ 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;
+ };
}
- 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');
- this.element_legend.appendChild(el);
- el.style.display = 'none';
- this.element_legend_childs.hidden = document.createElement('div');
- el.appendChild(this.element_legend_childs.hidden);
+ 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;
+ };
- 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);
+ // ============================================================================================================
+ // PUBLIC FUNCTIONS
- this.legendShowLatestValues();
- }
+ this.error = function(msg) {
+ error(msg);
+ };
- chartState.prototype.createChartDOM = function() {
- if(this.debug === true)
- this.log('creating DOM');
-
- this.element_chart_id = this.library_name + '-' + this.uuid + '-chart';
- this.element_chart = document.createElement('div');
- this.element_chart.className += ' netdata-chart' + (this.hasLegend()?'-with-legend-right':'').toString();
- this.element_chart.className += ' netdata-' + this.library_name + '-chart' + (this.hasLegend()?'-with-legend-right':'').toString();
- this.element_chart.id = this.element_chart_id;
- $(this.element_chart).data('netdata-state-object', this);
- this.element.appendChild(this.element_chart);
-
- this.element_legend_id = this.library_name + '-' + this.uuid + '-legend';
- this.element_legend = document.createElement('div');
- this.element_legend.className += ' netdata-chart-legend';
- this.element_legend.className += ' netdata-' + this.library_name + '-legend';
- this.element_legend.id = this.element_legend_id;
- $(this.element_legend).data('netdata-state-object', this);
-
- if(this.hasLegend() === false)
- this.element_legend.style.display = 'none';
- else
- this.element.appendChild(this.element_legend);
+ this.setMode = function(m) {
+ if(this.current !== null && this.current.name === m) return;
- this.element_legend_childs.series = null;
- this.legendUpdateDOM();
+ 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;
- // in case the user has an active global selection sync in place
- // reset it
- this.globalSelectionSyncStop();
- this.dom_created = true;
- }
+ this.current.force_update_at = 0;
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
- chartState.prototype.hasLegend = function() {
- if(typeof this.___hasLegendCache___ !== 'undefined')
- return this.___hasLegendCache___;
+ this.tm.last_mode_switch = new Date().getTime();
+ };
- var leg = false;
- if(this.library && this.library.legend(this) === 'right-side') {
- var legend = $(this.element).data('legend') || 'yes';
- if(legend === 'yes') leg = true;
- }
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
- this.___hasLegendCache___ = leg;
- return leg;
- }
+ // prevent to global selection sync for some time
+ this.globalSelectionSyncDelay = function(ms) {
+ if(NETDATA.options.current.sync_selection === false)
+ return;
- chartState.prototype.legendWidth = function() {
- return (this.hasLegend())?110:0;
- }
+ 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;
+ };
- chartState.prototype.legendHeight = function() {
- return $(this.element).height();
- }
+ // can we globally apply selection sync?
+ this.globalSelectionSyncAbility = function() {
+ if(NETDATA.options.current.sync_selection === false)
+ return false;
- chartState.prototype.chartWidth = function() {
- return $(this.element).width() - this.legendWidth();
- }
+ if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime())
+ return false;
- chartState.prototype.chartHeight = function() {
- return $(this.element).height();
- }
+ return true;
+ };
- chartState.prototype.chartPixelsPerPoint = function() {
- // force an options provided detail
- var px = this.pixels_per_point;
+ this.globalSelectionSyncIsMaster = function() {
+ if(NETDATA.globalSelectionSync.state === this)
+ return true;
+ else
+ return false;
+ };
- if(this.library && px < this.library.pixels_per_point(this))
- px = this.library.pixels_per_point(this);
+ // 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.');
- if(px < NETDATA.options.current.pixels_per_point)
- px = NETDATA.options.current.pixels_per_point;
+ return;
+ }
- return px;
- }
+ if(NETDATA.globalSelectionSync.state) {
+ if(this.debug === true)
+ this.log('sync: I am not the sync master. Resetting global sync.');
- chartState.prototype.needsRecreation = function() {
- return (
- this.dom_created === true
- && this.chart_created === true
- && this.library
- && this.library.autoresize() === false
- && this.tm.last_resized < NETDATA.options.last_resized
- );
- }
+ this.globalSelectionSyncStop();
+ }
- chartState.prototype.resizeChart = function() {
- if(this.needsRecreation()) {
+ // become the master
if(this.debug === true)
- this.log('forcing re-generation due to window resize.');
+ this.log('sync: becoming sync master.');
- this.destroyChart();
- }
+ this.selected = true;
+ NETDATA.globalSelectionSync.state = this;
- this.tm.last_resized = new Date().getTime();
- }
+ // find the all slaves
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) {
+ st = targets[len];
- chartState.prototype.chartURL = function() {
- var before;
- var after;
- if(NETDATA.globalPanAndZoom.isActive()) {
- after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000);
- before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000);
- this.tm.pan_and_zoom_seq = NETDATA.globalPanAndZoom.seq;
- }
- else {
- before = this.current.force_before_ms !== null ? Math.round(this.current.force_before_ms / 1000) : this.before;
- after = this.current.force_after_ms !== null ? Math.round(this.current.force_after_ms / 1000) : this.after;
- this.tm.pan_and_zoom_seq = 0;
- }
+ 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');
- this.current.requested_after_ms = after * 1000;
- this.current.requested_before_ms = before * 1000;
+ st.globalSelectionSyncBeSlave();
+ }
+ }
- this.current.points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+ // this.globalSelectionSyncDelay(100);
+ };
- // build the data URL
- this.current.url = this.chart.data_url;
- this.current.url += "&format=" + this.library.format();
- this.current.url += "&points=" + this.current.points.toString();
- this.current.url += "&group=" + this.method;
- this.current.url += "&options=" + this.library.options();
- this.current.url += '|jsonwrap';
+ // 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;
- if(NETDATA.options.current.eliminate_zero_dimensions === true)
- this.current.url += '|nonzero';
+ return false;
+ };
- if(after)
- this.current.url += "&after=" + after.toString();
+ // this chart becomes a slave of the global selection sync
+ this.globalSelectionSyncBeSlave = function() {
+ if(NETDATA.globalSelectionSync.state !== this)
+ NETDATA.globalSelectionSync.slaves.push(this);
+ };
- if(before)
- this.current.url += "&before=" + before.toString();
+ // 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?).');
- if(this.dimensions)
- this.current.url += "&dimensions=" + this.dimensions;
+ return;
+ }
- if(NETDATA.options.debug.chart_data_url === true || this.debug === true)
- this.log('chartURL(): ' + this.current.url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + this.current.points + ' library: ' + this.library_name);
- }
+ if(this.globalSelectionSyncIsMaster() === false) {
+ if(this.debug === true)
+ this.log('sync: trying to be sync master.');
- chartState.prototype.updateChartWithData = function(data) {
- if(this.debug === true)
- this.log('got data from netdata server');
+ this.globalSelectionSyncBeMaster();
- this.current.data = data;
- this.updates_counter++;
+ if(this.globalSelectionSyncAbility() === false) {
+ if(this.debug === true)
+ this.log('sync: cannot sync (yet?).');
- var started = new Date().getTime();
- this.tm.last_updated = started;
+ return;
+ }
+ }
- // if the result is JSON, find the latest update-every
- if(typeof data === 'object') {
- if(typeof data.view_update_every !== 'undefined')
- this.current.view_update_every = data.view_update_every * 1000;
+ NETDATA.globalSelectionSync.last_t = t;
+ $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+ st.setSelection(t);
+ });
+ };
- if(typeof data.after !== 'undefined')
- this.current.after_ms = data.after * 1000;
+ // 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...');
- if(typeof data.before !== 'undefined')
- this.current.before_ms = data.before * 1000;
+ $.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');
- if(typeof data.first_entry_t !== 'undefined')
- this.current.first_entry_ms = data.first_entry_t * 1000;
+ st.clearSelection();
+ }
+ });
- if(typeof data.last_entry_t !== 'undefined')
- this.current.last_entry_ms = data.last_entry_t * 1000;
+ NETDATA.globalSelectionSync.last_t = 0;
+ NETDATA.globalSelectionSync.slaves = [];
+ NETDATA.globalSelectionSync.state = null;
+ }
- if(typeof data.points !== 'undefined')
- this.current.points = data.points;
+ this.clearSelection();
+ };
- data.state = this;
- }
+ 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.debug === true) {
- this.log('UPDATE No ' + this.updates_counter + ' COMPLETED');
+ if(this.selected === true && this.debug === true)
+ this.log('selection set to ' + t.toString());
- 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');
+ return this.selected;
+ };
- this.log('STATUS: requested: ' + (this.current.requested_after_ms / 1000).toString() + ' - ' + (this.current.requested_before_ms / 1000).toString());
- this.log('STATUS: rendered : ' + (this.current.after_ms / 1000).toString() + ' - ' + (this.current.before_ms / 1000).toString());
- this.log('STATUS: points : ' + (this.current.points).toString());
- }
+ 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(data.points === 0) {
- this.noData();
- return;
- }
+ if(this.selected === false && this.debug === true)
+ this.log('selection cleared');
+
+ this.legendReset();
+ }
+
+ return this.selected;
+ };
- // this may force the chart to be re-created
- this.resizeChart();
+ // 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);
+ };
- if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
+ 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('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
+ this.log('resetChart(' + dont_clear_master + ', ' + dont_update + ') called');
- this.chart_created = false;
- }
+ 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();
+ }
+ };
- if(this.chart_created === true
- && this.dom_created === true
- && typeof this.library.update === 'function') {
+ this.updateChartPanOrZoom = function(after, before) {
+ var logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): ';
+ var ret = true;
if(this.debug === true)
- this.log('updating chart...');
+ this.log(logme);
- // check and update the legend
- this.legendUpdateDOM();
+ if(before < after) {
+ if(this.debug === true)
+ this.log(logme + 'flipped parameters, rejecting it.');
- this.updates_since_last_creation++;
- if(NETDATA.options.debug.chart_errors === true) {
- this.library.update(this, data);
+ return false;
}
- else {
- try {
- this.library.update(this, data);
+
+ 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>';
}
- catch(err) {
- this.error('chart failed to be updated as ' + this.library_name);
+ 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);
}
}
- }
- else {
- if(this.debug === true)
- this.log('creating chart...');
+ };
+
+ 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();
- this.createChartDOM();
- this.updates_since_last_creation = 0;
+ 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(NETDATA.options.debug.chart_errors === true) {
- this.library.create(this, data);
- this.chart_created = true;
+ if(this.debug === true)
+ this.log('label "' + label + '" got color "' + this.colors_assigned[label]);
}
else {
- try {
- this.library.create(this, data);
- this.chart_created = true;
+ 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)');
}
- catch(err) {
- this.error('chart failed to be created as ' + this.library_name);
+ 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]);
+ }
+ }
}
}
- }
- this.legendShowLatestValues();
- // update the performance counters
- var now = new Date().getTime();
+ // 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]);
- // 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)
- // this.tm.last_autorefreshed = Math.round(now / 1000) * 1000;
- //else
- this.tm.last_autorefreshed = now;
- }
+ return this.colors;
+ };
- this.refresh_dt_ms = now - started;
- NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
+ this.legendUpdateDOM = function() {
+ var needed = false;
- if(this.refresh_dt_element)
- this.refresh_dt_element.innerHTML = this.refresh_dt_ms.toString();
- }
+ // 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;
- chartState.prototype.updateChart = function(callback) {
- // 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 === true)
+ this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"');
+ }
+ }
- if(typeof callback === 'function') callback();
- return false;
- }
+ if(needed === false) {
+ // make sure colors available
+ this.chartColors();
- if(this.chart === null) {
- var self = this;
- this.getChart(function() { self.updateChart(callback); });
- return;
- }
+ // 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...');
- if(this.library.initialized === false) {
- if(this.library.enabled === true) {
- var self = this;
- this.library.initialize(function() { self.updateChart(callback); });
+ //var labels = this.data.dimension_names;
+ //var i = labels.length;
+ //while(i--)
+ // this.legendSetLabelValue(labels[i], this.data.latest_values[i]);
+ }
return;
}
- else {
- this.error('chart library "' + this.library_name + '" is not available.');
- if(typeof callback === 'function') callback();
- return false;
+ 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;
- this.clearSelection();
- this.chartURL();
- this.showLoading();
+ if(this.debug === true)
+ this.log('updating Legend DOM');
- if(this.debug === true)
- this.log('updating from ' + this.current.url);
+ // mark all dimensions as invalid
+ this.dimensions_visibility.invalidateAll();
- var self = this;
- this.xhr = $.ajax( {
- url: this.current.url,
- crossDomain: NETDATA.options.crossDomainAjax,
- cache: false,
- async: true
- })
- .success(function(data) {
- self.hideLoading();
+ var genLabel = function(state, parent, name, count) {
+ var color = state._chartDimensionColor(name);
- if(self.debug === true)
- self.log('data received. updating chart.');
+ 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);
+ }
- self.updateChartWithData(data);
- })
- .fail(function() {
- self.hideLoading();
- self.error('data download failed for url: ' + self.current.url);
- })
- .always(function() {
- self.hideLoading();
- if(typeof callback === 'function') callback();
- });
- }
+ state.element_legend_childs.series[name] = {
+ name: document.createElement('span'),
+ value: document.createElement('span'),
+ user: user_element,
+ last: null
+ };
- chartState.prototype.destroyChart = function() {
- if(this.debug === true)
- this.log('destroying chart');
+ var label = state.element_legend_childs.series[name];
- if(this.element_message !== null) {
- this.element_message.innerHTML = '';
- this.element_message = null;
- }
+ // create the dimension visibility tracking for this label
+ state.dimensions_visibility.dimensionAdd(name, label.name, label.value, color);
- if(this.element_loading !== null) {
- this.element_loading.innerHTML = '';
- this.element_loading = null;
- }
+ 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>'
- if(this.element_legend !== null) {
- this.element_legend.innerHTML = '';
- this.element_legend = null;
- }
+ var text = document.createTextNode(' ' + name);
+ label.name.appendChild(text);
- if(this.element_chart !== null) {
- this.element_chart.innerHTML = '';
- this.element_chart = null;
- }
+ if(count > 0)
+ parent.appendChild(document.createElement('br'));
- this.element_legend_childs = {
- hidden: null,
- title_date: null,
- title_time: null,
- title_units: null,
- nano: null,
- nano_options: null,
- series: null
- };
+ parent.appendChild(label.name);
+ parent.appendChild(label.value);
+ };
- this.element.innerHTML = '';
- this.refresh_dt_element = null;
+ 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.dom_created = false;
- this.chart_created = false;
- this.paused = false;
- this.selected = false;
- this.updates_counter = 0;
- this.updates_since_last_creation = 0;
- this.tm.pan_and_zoom_seq = 0;
- this.tm.last_resized = 0;
- this.tm.last_visible_check = 0;
- this.tm.last_hidden = 0;
- this.tm.last_unhidden = 0;
- this.tm.last_autorefreshed = 0;
-
- if(this.current !== null) {
- this.current.view_update_every = 0;
- this.current.after_ms = 0;
- this.current.before_ms = 0;
- this.current.points = 0;
- this.current.data = null;
- this.current.force_update_at = 0;
- this.current.force_after_ms = null;
- this.current.force_before_ms = null;
- this.current.requested_after_ms = null;
- this.current.requested_before_ms = null;
- this.current.first_entry_ms = null;
- this.current.last_entry_ms = null;
- }
- this.init();
- }
+ this.element_legend.innerHTML = '';
- chartState.prototype.unhideChart = function() {
- if(typeof this.___isHidden___ !== 'undefined' && this.enabled === true) {
- if(this.debug === true)
- this.log('unhiding chart');
+ 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 + '"');
+ }
- this.element_message.style.display = 'none';
- if(this.element_chart !== null) this.element_chart.style.display = 'inline-block';
- if(this.element_legend !== null) this.element_legend.style.display = 'inline-block';
- if(this.element_loading !== null) this.element_loading.style.display = 'none';
- this.___isHidden___ = undefined;
- this.element_message.innerHTML = 'chart ' + this.id + ' is visible now';
+ // 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);
- // refresh the scrolbar
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.tm.last_unhidden = new Date().getTime();
- }
- }
+ this.legendShowLatestValues();
+ };
- chartState.prototype.hideChart = function() {
- if(typeof this.___isHidden___ === 'undefined' && this.enabled === true) {
- if(NETDATA.options.current.destroy_on_hide === true)
- this.destroyChart();
+ this.hasLegend = function() {
+ if(typeof this.___hasLegendCache___ !== 'undefined')
+ return this.___hasLegendCache___;
- if(this.debug === true)
- this.log('hiding chart');
+ 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.element_message.style.display = 'inline-block';
- if(this.element_chart !== null) this.element_chart.style.display = 'none';
- if(this.element_legend !== null) this.element_legend.style.display = 'none';
- if(this.element_loading !== null) this.element_loading.style.display = 'none';
- this.___isHidden___ = true;
- this.___showsLoading___ = undefined;
- this.element_message.innerHTML = 'chart ' + this.id + ' is hidden to speed up the browser';
- this.tm.last_hidden = new Date().getTime();
- }
- }
+ this.___hasLegendCache___ = leg;
+ return leg;
+ };
- chartState.prototype.hideLoading = function() {
- if(typeof this.___showsLoading___ !== 'undefined' && this.enabled === true) {
- if(this.debug === true)
- this.log('hide loading...');
+ this.legendWidth = function() {
+ return (this.hasLegend())?140:0;
+ };
- this.element_message.style.display = 'none';
- if(this.element_chart !== null) this.element_chart.style.display = 'inline-block';
- if(this.element_legend !== null) this.element_legend.style.display = 'inline-block';
- if(this.element_loading !== null) this.element_loading.style.display = 'none';
- this.___showsLoading___ = undefined;
- this.element_loading.innerHTML = 'chart ' + this.id + ' finished loading!';
- this.tm.last_unhidden = new Date().getTime();
- }
- }
+ this.legendHeight = function() {
+ return $(this.element).height();
+ };
- chartState.prototype.showLoading = function() {
- if(typeof this.___showsLoading___ === 'undefined' && this.chart_created === false && this.enabled === true) {
- if(this.debug === true)
- this.log('show loading...');
+ this.chartWidth = function() {
+ return $(this.element).width() - this.legendWidth();
+ };
- this.element_message.style.display = 'none';
- if(this.element_chart !== null) this.element_chart.style.display = 'none';
- if(this.element_legend !== null) this.element_legend.style.display = 'none';
- if(this.element_loading !== null) this.element_loading.style.display = 'inline-block';
- this.___showsLoading___ = true;
- this.___isHidden___ = undefined;
- this.element_loading.innerHTML = 'chart ' + this.id + ' is loading...';
- this.tm.last_hidden = new Date().getTime();
- }
- }
+ this.chartHeight = function() {
+ return $(this.element).height();
+ };
- chartState.prototype.isVisible = function() {
- // this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll);
- if(this.tm.last_visible_check > NETDATA.options.last_page_scroll) {
- if(this.debug === true)
- this.log('isVisible: ' + this.___isVisible___);
+ this.chartPixelsPerPoint = function() {
+ // force an options provided detail
+ var px = this.pixels_per_point;
- return this.___isVisible___;
- }
+ if(this.library && px < this.library.pixels_per_point(this))
+ px = this.library.pixels_per_point(this);
- this.tm.last_visible_check = new Date().getTime();
+ if(px < NETDATA.options.current.pixels_per_point)
+ px = NETDATA.options.current.pixels_per_point;
- var wh = window.innerHeight;
- var x = this.element.getBoundingClientRect();
- var ret = 0;
- var tolerance = 0;
+ return px;
+ };
- 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;
- }
+ this.needsRecreation = function() {
+ return (
+ this.chart_created === true
+ && this.library
+ && this.library.autoresize() === false
+ && this.tm.last_resized < NETDATA.options.last_resized
+ );
+ };
- if(ret > tolerance) {
- // the chart is too far
- this.___isVisible___ = false;
- if(this.chart_created === true) this.hideChart();
-
- if(this.debug === true)
- this.log('isVisible: ' + this.___isVisible___);
+ 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;
- return this.___isVisible___;
- }
- else {
- // the chart is inside or very close
- this.___isVisible___ = true;
- this.unhideChart();
-
- if(this.debug === true)
- this.log('isVisible: ' + this.___isVisible___);
+ 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;
- return this.___isVisible___;
- }
- }
+ 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;
+ }
- chartState.prototype.isAutoRefreshed = function() {
- return (this.current.autorefresh);
- }
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+ }
+ else {
+ this.tm.pan_and_zoom_seq = 0;
- chartState.prototype.canBeAutoRefreshed = function() {
- now = new Date().getTime();
+ before = this.before;
+ after = this.after;
+ this.view_after = after * 1000;
+ this.view_before = before * 1000;
- if(this.enabled === false) {
- if(this.debug === true)
- this.log('I am not enabled');
+ this.requested_padding = null;
+ points_multiplier = 1;
+ }
- return false;
- }
+ this.requested_after = after * 1000;
+ this.requested_before = before * 1000;
- if(this.library === null || this.library.enabled === false) {
- this.error('charting library "' + this.library_name + '" is not available');
- if(this.debug === true)
- this.log('My chart library ' + this.library_name + ' is not available');
+ this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
- return false;
- }
+ // 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(this.isVisible() === false) {
- if(NETDATA.options.debug.visibility === true || this.debug === true)
- this.log('I am not visible');
+ if(NETDATA.options.current.eliminate_zero_dimensions === true)
+ this.data_url += '|nonzero';
- return false;
- }
-
- if(this.current.force_update_at !== 0 && this.current.force_update_at < now) {
+ 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('timed force update detected - allowing this update');
+ this.log('updateChartWithData() called.');
- this.current.force_update_at = 0;
- return true;
- }
+ this._updating = false;
- if(this.isAutoRefreshed() === true) {
- // allow the first update, even if the page is not visible
- if(this.updates_counter && NETDATA.options.page_is_visible === false) {
- if(NETDATA.options.debug.focus === true || this.debug === true)
- this.log('canBeAutoRefreshed(): page does not have focus');
+ // this may force the chart to be re-created
+ resizeChart();
- return false;
+ 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.needsRecreation() === true) {
+ if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
if(this.debug === true)
- this.log('canBeAutoRefreshed(): needs re-creation.');
+ this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
- return true;
+ this.chart_created = false;
}
- // 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.');
+ // check and update the legend
+ this.legendUpdateDOM();
- return true;
- }
- else {
- if(this.debug === true)
- this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
+ if(this.chart_created === true
+ && typeof this.library.update === 'function') {
- return false;
- }
- }
+ if(this.debug === true)
+ this.log('updating chart...');
- if(this.selected === true) {
- if(this.debug === true)
- this.log('canBeAutoRefreshed(): I have a selection in place.');
+ if(callChartLibraryUpdateSafely(data) === false)
+ return;
+ }
+ else {
+ if(this.debug === true)
+ this.log('creating chart...');
- return false;
- }
+ if(callChartLibraryCreateSafely(data) === false)
+ return;
+ }
+ hideMessage();
+ this.legendShowLatestValues();
+ if(this.selected === true)
+ NETDATA.globalSelectionSync.stop();
- if(this.paused === true) {
- if(this.debug === true)
- this.log('canBeAutoRefreshed(): I am paused.');
+ // update the performance counters
+ var now = new Date().getTime();
+ this.tm.last_updated = now;
- return false;
- }
+ // 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;
+ }
- if(now - this.tm.last_autorefreshed > this.current.view_update_every) {
- if(this.debug === true)
- this.log('canBeAutoRefreshed(): It is time to update me.');
+ this.refresh_dt_ms = now - started;
+ NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
- return true;
- }
+ 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(this._updating === true) {
+ if(this.debug === true)
+ this.log('I am already updating...');
+
+ if(typeof callback === 'function') callback();
+ return false;
}
- }
- 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');
- chartState.prototype.autoRefresh = function(callback) {
- if(this.canBeAutoRefreshed() === true) {
- this.updateChart(callback);
- }
- else {
- if(typeof callback !== 'undefined')
- callback();
- }
- }
+ if(typeof callback === 'function') callback();
+ return false;
+ }
- chartState.prototype._defaultsFromDownloadedChart = function(chart) {
- this.chart = chart;
- this.chart_url = chart.url;
- this.current.view_update_every = chart.update_every * 1000;
- this.current.points = Math.round(this.chartWidth() / this.chartPixelsPerPoint());
- this.tm.last_info_downloaded = new Date().getTime();
- }
+ if(canBeRendered() === false) {
+ if(typeof callback === 'function') callback();
+ return false;
+ }
- // fetch the chart description from the netdata server
- chartState.prototype.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 = this.host + "/api/v1/chart?chart=" + this.id;
+ if(this.chart === null) {
+ this.getChart(function() { that.updateChart(callback); });
+ return false;
+ }
+
+ if(this.library.initialized === false) {
+ if(this.library.enabled === true) {
+ this.library.initialize(function() { that.updateChart(callback); });
+ return false;
+ }
+ else {
+ error('chart library "' + this.library_name + '" is not available.');
+ if(typeof callback === 'function') callback();
+ return false;
+ }
+ }
+
+ this.clearSelection();
+ this.chartURL();
if(this.debug === true)
- this.log('downloading ' + this.chart_url);
+ this.log('updating from ' + this.data_url);
- var self = this;
+ this._updating = true;
- $.ajax( {
- url: this.chart_url,
+ this.xhr = $.ajax( {
+ url: this.data_url,
crossDomain: NETDATA.options.crossDomainAjax,
cache: false,
async: true
})
- .done(function(chart) {
- chart.url = self.chart_url;
- chart.data_url = (self.host + chart.data_url);
- self._defaultsFromDownloadedChart(chart);
- NETDATA.chartRegistry.add(self.host, self.id, chart);
+ .success(function(data) {
+ if(that.debug === true)
+ that.log('data received. updating chart.');
+
+ that.updateChartWithData(data);
})
.fail(function() {
- NETDATA.error(404, self.chart_url);
- self.error('chart not found on url "' + self.chart_url + '"');
+ error('data download failed for url: ' + that.data_url);
})
.always(function() {
+ that._updating = false;
if(typeof callback === 'function') callback();
});
- }
- }
- // resize the chart to its real dimensions
- // as given by the caller
- chartState.prototype.sizeChart = function() {
- this.element.className += " netdata-container";
+ return true;
+ };
- if(this.debug === true)
- this.log('sizing element');
+ this.isVisible = function(nocache) {
+ if(typeof nocache === 'undefined')
+ nocache = false;
- if(this.width !== 0)
- $(this.element).css('width', this.width);
+ // this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll);
- if(this.height !== 0)
- $(this.element).css('height', this.height);
+ // 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(NETDATA.chartDefaults.min_width !== null)
- $(this.element).css('min-width', NETDATA.chartDefaults.min_width);
- }
+ this.tm.last_visible_check = new Date().getTime();
- chartState.prototype.noData = function() {
- if(this.dom_created === false)
- this.createChartDOM();
+ var wh = window.innerHeight;
+ var x = this.element.getBoundingClientRect();
+ var ret = 0;
+ var tolerance = 0;
- this.tm.last_autorefreshed = new Date().getTime();
- this.current.view_update_every = 30 * 1000;
- }
+ if(x.width === 0 || x.height === 0) {
+ hideChart();
+ this.___isVisible___ = false;
+ return this.___isVisible___;
+ }
- // show a message in the chart
- chartState.prototype.message = function(type, msg) {
- this.hideChart();
- this.element_message.innerHTML = msg;
+ 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;
+ }
- if(this.debug === null)
- this.log(msg);
- }
+ if(ret > tolerance) {
+ // the chart is too far
- // show an error on the chart and stop it forever
- chartState.prototype.error = function(msg) {
- this.message('error', this.id + ': ' + msg);
- this.enabled = false;
- }
+ hideChart();
+ this.___isVisible___ = false;
+ return this.___isVisible___;
+ }
+ else {
+ // the chart is inside or very close
- // show a message indicating the chart is loading
- chartState.prototype.info = function(msg) {
- this.message('info', this.id + ': ' + msg);
- }
+ unhideChart();
+ this.___isVisible___ = true;
+ return this.___isVisible___;
+ }
+ };
- chartState.prototype.init = function() {
- this.element.innerHTML = '';
+ this.isAutoRefreshed = function() {
+ return (this.current.autorefresh);
+ };
- this.element_message = document.createElement('div');
- this.element_message.className += ' netdata-message';
- this.element.appendChild(this.element_message);
+ this.canBeAutoRefreshed = function() {
+ var now = new Date().getTime();
- this.element_loading = document.createElement('div');
- this.element_loading.className += ' netdata-chart-is-loading';
- this.element.appendChild(this.element_loading);
+ if(this.enabled === false) {
+ if(this.debug === true)
+ this.log('I am not enabled');
- if(this.debug === null)
- this.log('created');
+ return false;
+ }
- this.sizeChart();
+ 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');
- // 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);
+ return false;
+ }
- // 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[this.library_name] === 'undefined') {
- NETDATA.error(402, this.library_name);
- this.error('chart library "' + this.library_name + '" is not found');
- }
- else if(NETDATA.chartLibraries[this.library_name].enabled === false) {
- NETDATA.error(403, this.library_name);
- this.error('chart library "' + this.library_name + '" is not enabled');
- }
- else
- this.library = NETDATA.chartLibraries[this.library_name];
+ if(this.isVisible() === false) {
+ if(NETDATA.options.debug.visibility === true || this.debug === true)
+ this.log('I am not visible');
+
+ return false;
+ }
+
+ 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.current.force_update_at = 0;
+ return true;
+ }
+
+ 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');
+
+ return false;
+ }
+
+ if(this.needsRecreation() === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): needs re-creation.');
+
+ return true;
+ }
+
+ // 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.');
+
+ return true;
+ }
+ else {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
+
+ return false;
+ }
+ }
+
+ if(this.selected === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): I have a selection in place.');
+
+ return false;
+ }
+
+ if(this.paused === true) {
+ if(this.debug === true)
+ 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.');
+
+ return true;
+ }
+ }
+ }
+
+ return false;
+ };
+
+ this.autoRefresh = function(callback) {
+ if(this.canBeAutoRefreshed() === true) {
+ this.updateChart(callback);
+ }
+ else {
+ if(typeof callback !== 'undefined')
+ callback();
+ }
+ };
+
+ 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.title === null)
+ this.title = chart.title;
+
+ if(this.units === null)
+ this.units = chart.units;
+ };
+
+ // 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;
+
+ if(this.debug === true)
+ this.log('downloading ' + this.chart_url);
+
+ $.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 we need to report the rendering speed
- // find the element that needs to be updated
- if(this.refresh_dt_element_name)
- this.refresh_dt_element = document.getElementById(this.refresh_dt_element_name) || null;
+ // ============================================================================================================
+ // INITIALIZATION
- // the default mode for all charts
- this.setMode('auto');
- }
+ init();
+ };
+
+ 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) {
$(element).data('netdata-state-object', state);
}
return state;
- }
+ };
// ----------------------------------------------------------------------------------------------------------------
// Library functions
}
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");
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")
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
- }
+ };
NETDATA.colorLuminance = function(hex, lum) {
// validate hex string
}
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 = true;
- }
+ };
NETDATA.ready = function(callback) {
- NETDATA.options.readyCallback = callback;
- }
+ NETDATA.options.pauseCallback = callback;
+ };
NETDATA.pause = function(callback) {
- NETDATA.options.pauseCallback = 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.options.current.idle_between_charts);
}
}
- }
+ };
// this is part of the parallel refresher
// its cause is to refresh sequencially all the charts
// it will call the parallel refresher back
// as soon as it sees a chart that its chart library
// is initialized
- NETDATA.chartRefresher_unitialized = function() {
+ 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 {
if(state.library.initialized === true)
NETDATA.chartRefresher();
else
- state.autoRefresh(NETDATA.chartRefresher_unitialized);
+ 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_unitialized()
+ // the second will be given to NETDATA.chartRefresher_uninitialized()
NETDATA.chartRefresher = function() {
if(NETDATA.options.pause === true) {
// console.log('auto-refresher is paused');
}
else {
state.error('chart library "' + state.library_name + '" is not enabled.');
- state.enabled = false;
}
}
$(parallel).each(function() {
this.autoRefresh(function() {
parallel_jobs--;
-
+
if(parallel_jobs === 0) {
setTimeout(NETDATA.chartRefresher,
NETDATA.chartRefresherWaitTime());
setTimeout(NETDATA.chartRefresher,
NETDATA.chartRefresherWaitTime());
}
- }
+ };
NETDATA.parseDom = function(callback) {
NETDATA.options.last_page_scroll = new Date().getTime();
NETDATA.options.updated_dom = false;
- var targets = $('div[data-netdata]').filter(':visible');
+ var targets = $('div[data-netdata]'); //.filter(':visible');
if(NETDATA.options.debug.main_loop === true)
console.log('DOM updated - there are ' + targets.length + ' charts on page.');
}
if(typeof callback === 'function') callback();
- }
+ };
// this is the main function - where everything starts
NETDATA.start = function() {
NETDATA.options.page_is_visible = true;
$(window).blur(function() {
- NETDATA.options.page_is_visible = false;
- if(NETDATA.options.debug.focus === true)
- 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 = true;
- if(NETDATA.options.debug.focus === true)
- 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 = false;
- if(NETDATA.options.debug.focus === true)
- console.log('Document has no 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('Document has no focus!');
+ }
}
+ // bootstrap tab switching
+ $('a[data-toggle="tab"]').on('shown.bs.tab', NETDATA.onscroll);
+
+ // bootstrap modal switching
+ $('.modal').on('hidden.bs.modal', NETDATA.onscroll);
+ $('.modal').on('shown.bs.modal', NETDATA.onscroll);
+
NETDATA.parseDom(NETDATA.chartRefresher);
- }
+ };
// ----------------------------------------------------------------------------------------------------------------
// peity
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 = '#FFF';
+ state.peity_options.fill = NETDATA.themes.current.background;
else
state.peity_options.fill = NETDATA.colorLuminance(state.chartColors()[0], NETDATA.chartDefaults.fill_luminance);
}
$(state.peity_instance).peity('line', state.peity_options);
- }
+ return true;
+ };
NETDATA.peityChartCreate = function(state, data) {
state.peity_instance = document.createElement('div');
var self = $(state.element);
state.peity_options = {
- stroke: '#000',
+ stroke: NETDATA.themes.current.foreground,
strokeWidth: self.data('peity-strokewidth') || 1,
width: state.chartWidth(),
height: state.chartHeight(),
- fill: '#000'
+ fill: NETDATA.themes.current.foreground
};
NETDATA.peityChartUpdate(state, data);
- }
+ return true;
+ };
// ----------------------------------------------------------------------------------------------------------------
// sparkline
}
else {
NETDATA.chartLibraries.sparkline.enabled = false;
- if(typeof callback === "function")
+ if(typeof callback === "function")
callback();
}
};
state.sparkline_options.height = state.chartHeight();
$(state.element_chart).sparkline(data.result, state.sparkline_options);
- }
+ return true;
+ };
NETDATA.sparklineChartCreate = function(state, data) {
var self = $(state.element);
var type = self.data('sparkline-type') || 'line';
var lineColor = self.data('sparkline-linecolor') || state.chartColors()[0];
- var fillColor = self.data('sparkline-fillcolor') || (state.chart.chart_type === 'line')?'#FFF':NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance);
+ 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') || ' ' + 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;
highlightColor: highlightColor,
tooltipContainer: tooltipContainer,
tooltipClassname: tooltipClassname,
- tooltipChartTitle: state.chart.title,
+ tooltipChartTitle: state.title,
tooltipFormat: tooltipFormat,
tooltipPrefix: tooltipPrefix,
tooltipSuffix: tooltipSuffix,
};
$(state.element_chart).sparkline(data.result, state.sparkline_options);
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
smooth: false
};
+ NETDATA.dygraphToolboxPanAndZoom = function(state, after, before) {
+ if(after < state.netdata_first)
+ after = state.netdata_first;
+
+ if(before > state.netdata_last)
+ before = state.netdata_last;
+
+ state.setMode('zoom');
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.dygraph_user_action = true;
+ state.dygraph_force_zoom = true;
+ state.updateChartPanOrZoom(after, before);
+ NETDATA.globalPanAndZoom.setMaster(state, after, before);
+ };
+
NETDATA.dygraphSetSelection = function(state, t) {
if(typeof state.dygraph_instance !== 'undefined') {
var r = state.calculateRowForTime(t);
}
return true;
- }
+ };
NETDATA.dygraphClearSelection = function(state, t) {
if(typeof state.dygraph_instance !== 'undefined') {
state.dygraph_instance.clearSelection();
}
return true;
- }
+ };
NETDATA.dygraphSmoothInitialize = function(callback) {
$.ajax({
if(typeof callback === "function")
callback();
});
- }
+ };
NETDATA.dygraphInitialize = function(callback) {
if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
NETDATA.error(100, NETDATA.dygraph_js);
})
.always(function() {
- if(NETDATA.chartLibraries.dygraph.enabled === true)
+ if(NETDATA.chartLibraries.dygraph.enabled === true && NETDATA.options.current.smooth_plot === true)
NETDATA.dygraphSmoothInitialize(callback);
else if(typeof callback === "function")
callback();
NETDATA.dygraphChartUpdate = function(state, data) {
var dygraph = state.dygraph_instance;
-
+
if(typeof dygraph === 'undefined')
- NETDATA.dygraphChartCreate(state, data);
+ return NETDATA.dygraphChartCreate(state, data);
// when the chart is not visible, and hidden
// if there is a window resize, dygraph detects
if(state.tm.last_unhidden > state.dygraph_last_rendered)
dygraph.resize();
- if(state.current.name === 'pan') {
- if(NETDATA.options.debug.dygraph === true || state.debug === true)
- state.log('dygraphChartUpdate() loose update');
-
- dygraph.updateOptions({
+ var options = {
file: data.result.data,
colors: state.chartColors(),
labels: data.result.labels,
- labelsDivWidth: state.chartWidth() - 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 === true || state.debug === true)
state.log('dygraphChartUpdate() strict update');
- dygraph.updateOptions({
- file: data.result.data,
- colors: state.chartColors(),
- labels: data.result.labels,
- labelsDivWidth: state.chartWidth() - 70,
- dateWindow: null,
- valueRange: null
- });
+ 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(state, data) {
if(NETDATA.dygraph.smooth === false)
smooth = false;
- var strokeWidth = (chart_type === 'stacked')?0.0:((smooth)?1.5:1.0)
+ 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.chart.title,
+ 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':'10px', 'zIndex': 10000 },
+ 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,
showLabelsOnHighlight: self.data('dygraph-showlabelsonhighlight') || true,
hideOverlayOnMouseOut: self.data('dygraph-hideoverlayonmouseout') || true,
- ylabel: state.chart.units,
+ ylabel: state.units,
yLabelWidth: self.data('dygraph-ylabelwidth') || 12,
// the function to plot the chart
// 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,
// 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') || 'white',
+ 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')?true:false,
- fillAlpha: self.data('dygraph-fillalpha') || (chart_type === 'stacked')?0.8:0.2,
+ 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') || '#CCC',
+ axisLineColor: self.data('dygraph-axislinecolor') || NETDATA.themes.current.axis,
axisLineWidth: self.data('dygraph-axislinewidth') || 0.3,
drawGrid: self.data('dygraph-drawgrid') || true,
drawYGrid: self.data('dygraph-drawygrid') || undefined,
gridLinePattern: self.data('dygraph-gridlinepattern') || null,
gridLineWidth: self.data('dygraph-gridlinewidth') || 0.3,
- gridLineColor: self.data('dygraph-gridlinecolor') || '#DDD',
+ gridLineColor: self.data('dygraph-gridlinecolor') || NETDATA.themes.current.grid,
maxNumberWidth: self.data('dygraph-maxnumberwidth') || 8,
sigFigs: self.data('dygraph-sigfigs') || null,
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,
y: {
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);
- //FIXME
+ // return state.legendFormatValue(x);
return x;
}
}
},
legendFormatter: function(data) {
- var g = data.dygraph;
- var html;
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.legendReset();
- }
- else {
+ if (typeof data.x !== 'undefined') {
state.legendSetDate(data.x);
var i = data.series.length;
while(i--) {
return '';
},
drawCallback: function(dygraph, is_initial) {
- if(state.current.name !== 'auto') {
- if(NETDATA.options.debug.dygraph === true)
- state.log('dygraphDrawCallback()');
-
- var first = state.current.data.first_entry_t * 1000;
- var last = state.current.data.last_entry_t * 1000;
+ 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]);
- if(before <= last && after >= first)
+ 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);
}
},
state.globalSelectionSyncStop();
state.globalSelectionSyncDelay();
+ state.setMode('zoom');
- if(state.updateChartPanOrZoom(minDate, maxDate) == false) {
- // we should not zoom that much
- state.dygraph_instance.updateOptions({
- dateWindow: null,
- valueRange: null
- });
- }
+ // 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 === true || state.debug === true)
// 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.current.after_ms + row * state.current.view_update_every;
- // console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':'DIFFERENT') + ', rows in db: ' + state.current.data.points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.current.after_ms + ' - ' + state.current.before_ms + ' real: ' + state.current.data.after + ' - ' + state.current.data.before + ' every: ' + state.current.view_update_every);
+ 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(t);
+ state.globalSelectionSync(x);
// fix legend zIndex using the internal structures of dygraph legend module
// this works, but it is a hack!
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.mousedown()');
+ state.dygraph_user_action = true;
state.globalSelectionSyncStop();
if(NETDATA.options.debug.dygraph === true)
if(event.button && event.button === 2) return;
context.initializeMouseDown(event, dygraph, context);
-
+
if(event.button && event.button === 1) {
if (event.altKey || event.shiftKey) {
state.setMode('pan');
state.log('interactionModel.mousemove()');
if(context.isPanning) {
+ state.dygraph_user_action = true;
state.globalSelectionSyncStop();
state.globalSelectionSyncDelay();
state.setMode('pan');
Dygraph.movePan(event, dygraph, context);
}
else if(context.isZooming) {
+ state.dygraph_user_action = true;
state.globalSelectionSyncStop();
state.globalSelectionSyncDelay();
state.setMode('zoom');
state.log('interactionModel.mouseup()');
if (context.isPanning) {
+ state.dygraph_user_action = true;
state.globalSelectionSyncDelay();
Dygraph.endPan(event, dygraph, context);
}
else if (context.isZooming) {
+ state.dygraph_user_action = true;
state.globalSelectionSyncDelay();
Dygraph.endZoom(event, dygraph, context);
}
dblclick: function(event, dygraph, context) {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.dblclick()');
-
- state.globalSelectionSyncStop();
- NETDATA.globalPanAndZoom.clearMaster();
- state.resetChart();
+ NETDATA.resetAllCharts(state);
},
mousewheel: function(event, dygraph, context) {
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.
+ // 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.
}
if(event.altKey || event.shiftKey) {
+ state.dygraph_user_action = true;
+
state.globalSelectionSyncStop();
state.globalSelectionSyncDelay();
var after = new_x_range[0];
var before = new_x_range[1];
- var first = (state.current.data.first_entry_t + state.current.data.view_update_every) * 1000;
- var last = (state.current.data.last_entry_t + state.current.data.view_update_every) * 1000;
+ var first = state.netdata_first + state.data_update_every;
+ var last = state.netdata_last + state.data_update_every;
if(before > last) {
after -= (before - last);
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.touchstart()');
- state.globalSelectionSyncStop();
- state.globalSelectionSyncDelay();
- Dygraph.Interaction.startTouch(event, dygraph, context);
- context.touchDirections = { x: true, y: false };
+ 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 };
+
+ 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 === true || state.debug === true)
state.log('interactionModel.touchmove()');
- //Dygraph.cancelEvent(event);
- state.globalSelectionSyncStop();
- Dygraph.Interaction.moveTouch(event, dygraph, context);
+ 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 === true || state.debug === true)
state.log('interactionModel.touchend()');
- Dygraph.Interaction.endTouch(event, dygraph, context);
+ 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;
}
}
};
state.dygraph_options.labelsSeparateLines = true;
state.dygraph_options.rightGap = 0;
}
-
- if(smooth === true) state.dygraph_options.plotter = smoothPlotter;
+
+ 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);
+ state.dygraph_force_zoom = false;
+ state.dygraph_user_action = false;
state.dygraph_last_rendered = new Date().getTime();
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
});
}
else {
- NETDATA.chartLibraries.morris.enabled = false;
+ NETDATA.chartLibraries.morris.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ }
+ else {
+ NETDATA._loadCSS(NETDATA.morris_css);
+
+ $.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")
+ callback();
+ }
+ };
+
+ NETDATA.morrisChartUpdate = function(state, data) {
+ state.morris_instance.setData(data.result.data);
+ return true;
+ };
+
+ NETDATA.morrisChartCreate = function(state, data) {
+
+ 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: 3,
+ smooth: true,
+ hideHover: 'auto',
+ parseTime: true,
+ continuousLine: false,
+ behaveLikeLine: false
+ };
+
+ 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.morris_css);
+ NETDATA._loadCSS(NETDATA.c3_css);
$.ajax({
- url: NETDATA.morris_js,
+ url: NETDATA.c3_js,
cache: true,
dataType: "script"
})
.done(function() {
- NETDATA.registerChartLibrary('morris', NETDATA.morris_js);
+ NETDATA.registerChartLibrary('c3', NETDATA.c3_js);
})
.fail(function() {
- NETDATA.chartLibraries.morris.enabled = false;
- NETDATA.error(100, NETDATA.morris_js);
+ NETDATA.chartLibraries.c3.enabled = false;
+ NETDATA.error(100, NETDATA.c3_js);
})
.always(function() {
if(typeof callback === "function")
}
}
else {
- NETDATA.chartLibraries.morris.enabled = false;
+ NETDATA.chartLibraries.c3.enabled = false;
if(typeof callback === "function")
callback();
}
};
- NETDATA.morrisChartUpdate = function(state, data) {
- state.morris_instance.setData(data.result.data);
+ 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.morrisChartCreate = function(state, data) {
+ NETDATA.c3ChartCreate = function(state, data) {
- 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: 3,
- smooth: true,
- hideHover: 'auto',
- parseTime: true,
- continuousLine: false,
- behaveLikeLine: false
- };
+ state.element_chart.id = 'c3-' + state.uuid;
+ // console.log('id = ' + state.element_chart.id);
- if(state.chart.chart_type === 'line')
- state.morris_instance = new Morris.Line(state.morris_options);
+ 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(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);
+ // console.log(state.c3_instance);
+
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
- // raphael
+ // D3
- NETDATA.raphaelInitialize = function(callback) {
- if(typeof netdataStopRaphael === 'undefined' || !netdataStopRaphael) {
+ NETDATA.d3Initialize = function(callback) {
+ if(typeof netdataStopD3 === 'undefined' || !netdataStopD3) {
$.ajax({
- url: NETDATA.raphael_js,
+ url: NETDATA.d3_js,
cache: true,
dataType: "script"
})
.done(function() {
- NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js);
+ NETDATA.registerChartLibrary('d3', NETDATA.d3_js);
})
.fail(function() {
- NETDATA.chartLibraries.raphael.enabled = false;
- NETDATA.error(100, NETDATA.raphael_js);
+ NETDATA.chartLibraries.d3.enabled = false;
+ NETDATA.error(100, NETDATA.d3_js);
})
.always(function() {
if(typeof callback === "function")
});
}
else {
- NETDATA.chartLibraries.raphael.enabled = false;
+ NETDATA.chartLibraries.d3.enabled = false;
if(typeof callback === "function")
callback();
}
};
- NETDATA.raphaelChartUpdate = function(state, data) {
- $(state.element_chart).raphael(data.result, {
- width: state.chartWidth(),
- height: state.chartHeight()
- })
+ NETDATA.d3ChartUpdate = function(state, data) {
+ return false;
};
- NETDATA.raphaelChartCreate = function(state, data) {
- $(state.element_chart).raphael(data.result, {
- width: state.chartWidth(),
- height: state.chartHeight()
- })
+ NETDATA.d3ChartCreate = function(state, data) {
+ return false;
};
// ----------------------------------------------------------------------------------------------------------------
NETDATA.googleChartUpdate = function(state, data) {
var datatable = new google.visualization.DataTable(data.result);
state.google_instance.draw(datatable, state.google_options);
+ return true;
};
NETDATA.googleChartCreate = function(state, data) {
var datatable = new google.visualization.DataTable(data.result);
state.google_options = {
+ colors: state.chartColors(),
+
// do not set width, height - the chart resizes itself
//width: state.chartWidth(),
//height: state.chartHeight(),
lineWidth: 1,
- title: state.chart.title,
+ title: state.title,
fontSize: 11,
hAxis: {
// title: "Time of Day",
}
},
vAxis: {
- title: state.chart.units,
+ title: state.units,
viewWindowMode: 'pretty',
minValue: -0.1,
maxValue: 0.1,
switch(state.chart.chart_type) {
case "area":
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":
state.google_options.isStacked = true;
- state.google_options.areaOpacity = 0.85;
+ 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.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;
};
// ----------------------------------------------------------------------------------------------------------------
NETDATA.registerChartLibrary('easypiechart', NETDATA.easypiechart_js);
})
.fail(function() {
+ NETDATA.chartLibraries.easypiechart.enabled = false;
NETDATA.error(100, NETDATA.easypiechart_js);
})
.always(function() {
}
};
+ 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.easypiechart_instance.update();
+ 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 = 10;
- var pcent = 10;
+ var value = data.result[0];
+ var max = self.data('easypiechart-max-value') || null;
+ var adjust = self.data('easypiechart-adjust') || null;
- $(state.element_chart).data('data-percent', pcent);
- data.element_chart.innerHTML = value.toString();
+ if(max === null) {
+ max = data.max;
+ state.easyPieChartMax = null;
+ }
+ else
+ state.easyPieChartMax = max;
+
+ var pcent = NETDATA.percentFromValueMax(value, max);
+
+ chart.data('data-percent', pcent);
- state.easypiechart_instance = new EasyPieChart(state.element_chart, {
- barColor: self.data('easypiechart-barcolor') || '#ef1e25',
- trackColor: self.data('easypiechart-trackcolor') || '#f2f2f2',
- scaleColor: self.data('easypiechart-scalecolor') || '#dfe0e0',
+ 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') || 3,
+ lineWidth: self.data('easypiechart-linewidth') || stroke,
trackWidth: self.data('easypiechart-trackwidth') || undefined,
- size: self.data('easypiechart-size') || Math.min(state.chartWidth(), state.chartHeight()),
+ size: self.data('easypiechart-size') || size,
rotate: self.data('easypiechart-rotate') || 0,
- animate: self.data('easypiechart-rotate') || {duration: 0, enabled: false},
+ 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;
+
+ 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: function(state) { return 'json'; },
initialize: NETDATA.sparklineInitialize,
create: NETDATA.sparklineChartCreate,
update: NETDATA.sparklineChartUpdate,
- setSelection: function(t) { return true; },
- clearSelection: function() { return true; },
+ 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 'array'; },
initialize: NETDATA.peityInitialize,
create: NETDATA.peityChartCreate,
update: NETDATA.peityChartUpdate,
- setSelection: function(t) { return true; },
- clearSelection: function() { return true; },
+ 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 'ssvcomma'; },
initialize: NETDATA.morrisInitialize,
create: NETDATA.morrisChartCreate,
update: NETDATA.morrisChartUpdate,
- setSelection: function(t) { return true; },
- clearSelection: function() { return true; },
+ 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'; },
initialize: NETDATA.googleInitialize,
create: NETDATA.googleChartCreate,
update: NETDATA.googleChartUpdate,
- setSelection: function(t) { return true; },
- clearSelection: function() { return true; },
+ 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 'datatable'; },
initialize: NETDATA.raphaelInitialize,
create: NETDATA.raphaelChartCreate,
update: NETDATA.raphaelChartUpdate,
- setSelection: function(t) { return true; },
- clearSelection: function() { return true; },
+ 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'; },
track_colors: function(state) { return false; },
pixels_per_point: function(state) { return 3; }
},
- "easypiechart": {
- initialize: NETDATA.easypiechartInitialize,
- create: NETDATA.easypiechartChartCreate,
- update: NETDATA.easypiechartChartUpdate,
- setSelection: function(t) { return true; },
- clearSelection: function() { return true; },
+ "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'; },
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: 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.chartLibraries[library].url = url;
NETDATA.chartLibraries[library].initialized = true;
NETDATA.chartLibraries[library].enabled = true;
- }
+ };
// ----------------------------------------------------------------------------------------------------------------
// Start up
{
url: NETDATA.serverDefault + 'lib/bootstrap.min.js',
isAlreadyLoaded: function() {
+ // check if bootstrap is loaded
if(typeof $().emulateTransitionEnd == 'function')
return true;
else {
{
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.serverDefault + 'css/bootstrap.min.css',
+ url: NETDATA.themes.current.bootstrap_css,
isAlreadyLoaded: function() {
if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
return true;
}
},
{
- url: NETDATA.dashboard_css,
+ 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; }
}
];
.fail(function() {
alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url);
})
- }
+ };
NETDATA.loadRequiredCSS = function(index) {
if(index >= NETDATA.requiredCSS.length)
NETDATA._loadCSS(NETDATA.requiredCSS[index].url);
NETDATA.loadRequiredCSS(++index);
- }
+ };
NETDATA.errorReset();
NETDATA.loadRequiredCSS(0);
NETDATA._loadjQuery(function() {
NETDATA.loadRequiredJs(0, function() {
+ if(typeof $().emulateTransitionEnd == 'function') {
+ // bootstrap is not available
+ NETDATA.options.current.show_help = false;
+ }
+
if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
if(NETDATA.options.debug.main_loop === true)
console.log('starting chart refresh thread');
NETDATA.start();
}
-
- if(typeof NETDATA.options.readyCallback === 'function')
- NETDATA.options.readyCallback();
});
});