// var netdataNoPeitys = true; // do not use peity
// var netdataNoGoogleCharts = true; // do not use google
// var netdataNoMorris = true; // do not use morris
+// var netdataNoEasyPieChart = true; // do not use easy pie chart
+// var netdataNoGauge = true; // do not use gauge.js
+// var netdataNoD3 = true; // do not use D3
+// var netdataNoC3 = true; // do not use C3
+// var netdataNoBootstrap = true; // do not load bootstrap
// var netdataDontStart = true; // do not start the thread to process the charts
//
// You can also set the default netdata server, using the following.
// var netdataServer = "http://yourhost:19999"; // set your NetData server
//(function(window, document, undefined) {
- // fix IE bug with console
+ // fix IE issue with console
if(!window.console){ window.console = {log: function(){} }; }
// global namespace
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';
// 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
- targets: null, // an array of all the DOM elements that are
- // currently visible (independently of their
+ targets: null, // an array of all the state objects that are
+ // currently active (independently of their
// viewport visibility)
updated_dom: true, // when true, the DOM has been updated with
crossDomainAjax: false, // enable this to request crossDomain AJAX
+ last_page_scroll: 0, // the timestamp the last time the page was scrolled
+
// the current profile
// we may have many...
current: {
idle_between_charts: 100, // ms - how much time to wait between chart updates
- fast_render_timeframe: 100, // ms - render continously until this time of continious
+ fast_render_timeframe: 200, // ms - render continously until this time of continious
// rendering has been reached
// this setting is used to make it render e.g. 10
// charts at once, sleep idle_between_charts time
// and continue for another 10 charts.
- idle_between_loops: 200, // ms - if all charts have been updated, wait this
+ idle_between_loops: 500, // ms - if all charts have been updated, wait this
// time before starting again.
+ idle_parallel_loops: 100, // ms - the time between parallel refresher updates
+
idle_lost_focus: 500, // ms - when the window does not have focus, check
// if focus has been regained, every this time
- global_pan_sync_time: 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.
parallel_refresher: true, // enable parallel refresh of charts
- color_fill_opacity: {
- line: 1.0,
- area: 0.2,
- stacked: 0.8
- }
+ 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: 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
+
+ color_fill_opacity_line: 1.0,
+ color_fill_opacity_area: 0.2,
+ color_fill_opacity_stacked: 0.8,
+
+ setOptionCallback: function() { ; }
},
debug: {
- show_boxes: 0,
- main_loop: 0,
- focus: 0,
- visibility: 0,
- chart_data_url: 0,
- chart_errors: 1,
- chart_timing: 0,
- chart_calls: 0,
- libraries: 0,
- dygraph: 0
+ show_boxes: false,
+ main_loop: false,
+ focus: false,
+ visibility: false,
+ chart_data_url: false,
+ chart_errors: false, // FIXME
+ chart_timing: false,
+ chart_calls: false,
+ libraries: false,
+ dygraph: false
}
}
- if(NETDATA.options.debug.main_loop) console.log('welcome to NETDATA');
- window.onresize = function(event) {
- NETDATA.options.last_resized = new Date().getTime();
+ // ----------------------------------------------------------------------------------------------------------------
+ // local storage options
+
+ NETDATA.localStorage = {
+ default: {},
+ current: {},
+ callback: {} // only used for resetting back to defaults
};
- window.onscroll = function(event) {
- // FIXME targets should be states not DOM elements
- for(i = 0; i < NETDATA.options.targets.length ;i++) {
- var state = NETDATA.chartState(NETDATA.options.targets[i])
- state.isVisible();
+ 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');
+
+ NETDATA.onresize = function() {
+ NETDATA.options.last_resized = new Date().getTime();
+ NETDATA.onscroll();
+ };
+
+ NETDATA.onscroll = function() {
+ // console.log('onscroll');
+
+ NETDATA.options.last_page_scroll = new Date().getTime();
+ if(NETDATA.options.targets === null) return;
+
+ // when the user scrolls he sees that we have
+ // hidden all the not-visible charts
+ // using this little function we try to switch
+ // the charts back to visible quickly
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) targets[len].isVisible();
+ };
+
+ window.onresize = NETDATA.onresize;
+ window.onscroll = NETDATA.onscroll;
+
// ----------------------------------------------------------------------------------------------------------------
// Error Handling
while(host.slice(-1) === '/')
host = host.substring(0, host.length - 1);
- self = this;
+ var self = this;
$.ajax({
url: host + '/api/v1/charts',
// set a new master
setMaster: function(state, after, before) {
- if(!NETDATA.options.current.sync_pan_and_zoom) return;
+ if(NETDATA.options.current.sync_pan_and_zoom === false)
+ 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) 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.needsResize())
+ if(state.needsRecreation())
return true;
- if(state.follows_global === this.seq)
+ 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
-
- 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,
- series: null
- },
-
- chart_url: null, // string - the url to download chart info
- chart: null, // object - the chart as downloaded from the server
-
- downloaded_ms: 0, // milliseconds - the timestamp we downloaded the chart
- created_ms: 0, // boolean - the timestamp the chart was created
- validated: false, // boolean - has the chart been validated?
- enabled: true, // boolean - is the chart enabled for refresh?
- paused: false, // boolean - is the chart paused for any reason?
- selected: false, // boolean - is the chart shown a selection?
- debug: false, // boolean - console.log() debug info about this chart
-
- updates_counter: 0, // numeric - the number of refreshes made so far
- updates_since_last_creation: 0,
-
- follows_global: 0, // the sequence number of the global synchronization
- // between chart.
- // Used with NETDATA.globalPanAndZoom.seq
-
- last_resized: 0, // the last time the chart was resized
-
- mode: 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
- last_autorefreshed: 0, // milliseconds - the timestamp of last automatic refresh
- view_update_every: 0, // milliseconds - the minimum acceptable refresh duration
- after_ms: 0, // milliseconds - the first timestamp of the data
- before_ms: 0, // milliseconds - the last timestamp of the data
- points: 0, // number - the number of points in the data
- data: null, // the last downloaded data
- force_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
- last_autorefreshed: 0, // milliseconds - the timestamp of last refresh
- view_update_every: 0, // milliseconds - the minimum acceptable refresh duration
- after_ms: 0, // milliseconds - the first timestamp of the data
- before_ms: 0, // milliseconds - the last timestamp of the data
- points: 0, // number - the number of points in the data
- data: null, // the last downloaded data
- force_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
- last_autorefreshed: 0, // milliseconds - the timestamp of last refresh
- view_update_every: 0, // milliseconds - the minimum acceptable refresh duration
- after_ms: 0, // milliseconds - the first timestamp of the data
- before_ms: 0, // milliseconds - the last timestamp of the data
- points: 0, // number - the number of points in the data
- data: null, // the last downloaded data
- force_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
- },
+ // FIXME
+ // move color assignment to dimensions, here
- 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
- });
+ 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 = '#000';
+
+ if(parent.selected === parent.unselected)
+ this.selected = true;
+ else
+ this.selected = false;
- this.init();
+ this.setOptions(name_div, value_div, color);
}
- // ----------------------------------------------------------------------------------------------------------------
- // global selection sync
-
- NETDATA.globalSelectionSync = {
- state: null,
- dont_sync_before: 0,
- slaves: []
- };
-
- // prevent to global selection sync for some time
- chartState.prototype.globalSelectionSyncDelay = function() {
- if(!NETDATA.options.current.sync_selection) return;
- NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_selection_delay;
+ dimensionStatus.prototype.invalidate = function() {
+ this.name_div = null;
+ this.value_div = null;
+ this.enabled = false;
}
- // can we globally apply selection sync?
- chartState.prototype.globalSelectionSyncAbility = function() {
- if(!NETDATA.options.current.sync_selection) return false;
- if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime()) return false;
- return true;
- }
+ dimensionStatus.prototype.setOptions = function(name_div, value_div, color) {
+ this.color = color;
- // this chart is the master of the global selection sync
- chartState.prototype.globalSelectionSyncBeMaster = function() {
- // am I the master?
- if(NETDATA.globalSelectionSync.state === this) {
- if(this.debug) this.log('sync: I am the master already.');
- return;
+ if(this.name_div != name_div) {
+ this.name_div = name_div;
+ this.name_div.title = this.label;
+ this.name_div.style.color = this.color;
+ if(this.selected === false)
+ this.name_div.className = 'netdata-legend-name not-selected';
+ else
+ this.name_div.className = 'netdata-legend-name selected';
}
- if(NETDATA.globalSelectionSync.state) {
- if(this.debug) this.log('sync: I am not the sync master. Resetting global sync.');
- this.globalSelectionSyncStop();
+ 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';
}
- // become the master
- if(this.debug) this.log('sync: becoming sync master.');
- this.selected = true;
- NETDATA.globalSelectionSync.state = this;
-
- // find the all slaves
- var self = this;
- // FIXME targets should be states not DOM elements
- $.each(NETDATA.options.targets, function(i, target) {
- var st = NETDATA.chartState(target);
- if(st === self) {
- if(self.debug) st.log('sync: not adding me to sync');
- }
- else if(st.globalSelectionSyncIsEligible()) {
- if(self.debug) st.log('sync: adding to sync as slave');
- st.globalSelectionSyncBeSlave();
- }
- });
- }
-
- // can the chart participate to the global selection sync as a slave?
- chartState.prototype.globalSelectionSyncIsEligible = function() {
- if(this.library !== null && typeof this.library.setSelection === 'function' && this.isVisible() && this.created_ms !== 0)
- return true;
- return false;
+ this.enabled = true;
+ this.setHandler();
}
- // this chart is a slave of the global selection sync
- chartState.prototype.globalSelectionSyncBeSlave = function() {
- if(NETDATA.globalSelectionSync.state !== this)
- NETDATA.globalSelectionSync.slaves.push(this);
- }
+ dimensionStatus.prototype.setHandler = function() {
+ if(this.enabled === false) return;
- // 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()) {
- if(this.debug) this.log('sync: cannot sync (yet?).');
- return;
- }
+ var ds = this;
- if(this.debug) this.log('sync: trying to be sync master.');
- this.globalSelectionSyncBeMaster();
+ // 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();
- var self = this;
- $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
- if(st === self) {
- // since we are the sync master, we should not call state.setSelection()
- // the chart library is taking care of visualizing our selection.
- if(self.debug) st.log('sync: ignoring me from set selection');
+ 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 {
- if(self.debug) st.log('sync: showing master selection');
- st.setSelection(t);
- }
- });
- }
-
- // stop syncing all charts to the given time
- chartState.prototype.globalSelectionSyncStop = function() {
- if(NETDATA.globalSelectionSync.slaves.length) {
- if(this.debug) this.log('sync: cleaning up...');
- var self = this;
- $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
- if(st === self) {
- if(self.debug) st.log('sync: not adding me to sync stop');
+ // this is not selected
+ if(e.shiftKey === true || e.ctrlKey === true) {
+ // control or shift key is pressed -> select this too
+ ds.select();
}
else {
- if(self.debug) st.log('sync: removed slave from sync');
- st.clearSelection();
+ // no key is pressed -> select only this
+ ds.parent.selectNone();
+ ds.select();
}
- });
+ }
- NETDATA.globalSelectionSync.slaves = [];
- NETDATA.globalSelectionSync.state = null;
+ ds.parent.state.redrawChart();
}
-
- // since we are the sync master, we should not call this.clearSelection()
- // dygraphs is taking care of visualizing our selection.
- this.selected = false;
}
- chartState.prototype.setSelection = function(t) {
- if(typeof this.library.setSelection === 'function') {
- if(this.library.setSelection(this, t))
- this.selected = true;
- else
- this.selected = false;
- }
- else this.selected = true;
-
- if(this.selected && this.debug) this.log('selection set to ' + t.toString());
+ dimensionStatus.prototype.select = function() {
+ if(this.enabled === false) return;
- return this.selected;
+ this.name_div.className = 'netdata-legend-name selected';
+ this.value_div.className = 'netdata-legend-value selected';
+ this.selected = true;
}
- chartState.prototype.clearSelection = function() {
- if(this.selected) {
- if(typeof this.library.clearSelection === 'function') {
- if(this.library.clearSelection(this))
- this.selected = false;
- else
- this.selected = true;
- }
- else this.selected = false;
-
- if(!this.selected && this.debug) this.log('selection cleared');
- }
+ dimensionStatus.prototype.unselect = function() {
+ if(this.enabled === false) return;
- this.legendReset();
- return this.selected;
+ this.name_div.className = 'netdata-legend-name not-selected';
+ this.value_div.className = 'netdata-legend-value hidden';
+ this.selected = false;
}
- // 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;
- },
-
- chartState.prototype.calculateRowForTime = function(t) {
- if(!this.timeIsVisible(t)) return -1;
- return Math.floor((t - this.current.after_ms) / this.current.view_update_every);
+ dimensionStatus.prototype.isSelected = function() {
+ return(this.enabled === true && this.selected === true);
}
// ----------------------------------------------------------------------------------------------------------------
- // console logging
- chartState.prototype.log = function(msg) {
- console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
+ dimensionsVisibility = function(state) {
+ this.state = state;
+ this.len = 0;
+ this.dimensions = {};
+ this.selected_count = 0;
+ this.unselected_count = 0;
}
- chartState.prototype.pauseChart = function() {
- if(!this.paused) {
- if(this.debug) this.log('paused');
- this.paused = true;
+ dimensionsVisibility.prototype.dimensionAdd = function(label, name_div, value_div, color) {
+ if(typeof this.dimensions[label] === 'undefined') {
+ this.len++;
+ this.dimensions[label] = new dimensionStatus(this, label, name_div, value_div, color);
}
- }
+ else
+ this.dimensions[label].setOptions(name_div, value_div, color);
- chartState.prototype.unpauseChart = function() {
- if(this.paused) {
- if(this.debug) this.log('unpaused');
- this.paused = false;
- }
+ return this.dimensions[label];
}
- chartState.prototype.resetChart = function() {
- if(NETDATA.globalPanAndZoom.isMaster(this) && this.isVisible())
- NETDATA.globalPanAndZoom.clearMaster();
-
- this.follows_global = 0;
-
- this.clearSelection();
-
- this.setMode('auto');
- this.current.force_update_at = 0;
- this.current.force_before_ms = null;
- this.current.force_after_ms = null;
- this.current.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 && this.isVisible())
- state.updateChart();
+ dimensionsVisibility.prototype.dimensionGet = function(label) {
+ return this.dimensions[label];
}
- chartState.prototype.setMode = function(m) {
- if(this.current) {
- if(this.current.name === m) return;
-
- this[m].url = this.current.url;
- this[m].last_autorefreshed = this.current.last_autorefreshed;
- 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;
- else
- this.current = this.auto;
-
- this.current.force_update_at = 0;
- this.current.force_before_ms = null;
- this.current.force_after_ms = null;
-
- if(this.debug) this.log('mode set to ' + this.current.name);
+ dimensionsVisibility.prototype.invalidateAll = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].invalidate();
}
- chartState.prototype._minPanOrZoomStep = function() {
- return (((this.current.before_ms - this.current.after_ms) / this.current.points) * ((this.current.points * 5 / 100) + 1) );
- // return this.current.view_update_every * 10;
+ dimensionsVisibility.prototype.selectAll = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].select();
}
- chartState.prototype._shouldBeMoved = function(old_after, old_before, new_after, new_before) {
- var dt_after = Math.abs(old_after - new_after);
- var dt_before = Math.abs(old_before - new_before);
- var old_range = old_before - old_after;
-
- var new_range = new_before - new_after;
- var dt = Math.abs(old_range - new_range);
- var step = Math.max(dt_after, dt_before, dt);
+ dimensionsVisibility.prototype.countSelected = function() {
+ var i = 0;
+ for(var d in this.dimensions)
+ if(this.dimensions[d].isSelected()) i++;
- var min_step = this._minPanOrZoomStep();
- if(new_range < old_range && new_range / this.chartWidth() < 100) {
- if(this.debug) this.log('_shouldBeMoved(' + (new_after / 1000).toString() + ' - ' + (new_before / 1000).toString() + '): minimum point size: 0.10, wanted point size: ' + (new_range / this.chartWidth() / 1000).toString() + ': TOO SMALL RANGE');
- return false;
- }
+ return i;
+ }
- if(step >= min_step) {
- if(this.debug) this.log('_shouldBeMoved(' + (new_after / 1000).toString() + ' - ' + (new_before / 1000).toString() + '): minimum step: ' + (min_step / 1000).toString() + ', this step: ' + (step / 1000).toString() + ': YES');
- return true;
- }
- else {
- if(this.debug) this.log('_shouldBeMoved(' + (new_after / 1000).toString() + ' - ' + (new_before / 1000).toString() + '): minimum step: ' + (min_step / 1000).toString() + ', this step: ' + (step / 1000).toString() + ': NO');
- return false;
- }
+ dimensionsVisibility.prototype.selectNone = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].unselect();
}
- chartState.prototype.updateChartPanOrZoom = function(after, before) {
- var move = false;
+ dimensionsVisibility.prototype.selected2BooleanArray = function(array) {
+ var ret = new Array();
+ this.selected_count = 0;
+ this.unselected_count = 0;
- if(this.current.name === 'auto') {
- if(this.debug) this.log('updateChartPanOrZoom(): caller did not set proper mode');
- this.setMode('pan');
- }
+ 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;
+ }
- if(!this.current.force_after_ms || !this.current.force_before_ms) {
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): INIT');
- move = true;
- }
- else if(this._shouldBeMoved(this.current.force_after_ms, this.current.force_before_ms, after, before) && this._shouldBeMoved(this.current.after_ms, this.current.before_ms, after, before)) {
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): FORCE CHANGE from ' + (this.current.force_after_ms / 1000).toString() + ' - ' + (this.current.force_before_ms / 1000).toString());
- move = true;
- }
- else if(this._shouldBeMoved(this.current.requested_after_ms, this.current.requested_before_ms, after, before) && this._shouldBeMoved(this.current.after_ms, this.current.before_ms, after, before)) {
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): REQUESTED CHANGE from ' + (this.current.requested_after_ms / 1000).toString() + ' - ' + (this.current.requested_before_ms / 1000).toString());
- move = true;
+ if(ds.isSelected()) {
+ ret.push(true);
+ this.selected_count++;
+ }
+ else {
+ ret.push(false);
+ this.unselected_count++;
+ }
}
- if(move) {
- 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;
+ if(this.selected_count === 0 && this.unselected_count !== 0) {
+ this.selectAll();
+ return this.selected2BooleanArray(array);
}
- if(this.debug) this.log('updateChartPanOrZoom(' + (after / 1000).toString() + ' - ' + (before / 1000).toString() + '): IGNORE');
- return false;
+ return ret;
}
- chartState.prototype.legendFormatValue = function(value) {
- if(typeof value !== 'number' || value === null) return '';
-
- 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();
- }
- chartState.prototype.legendSetLabelValue = function(label, string) {
- if(typeof this.element_legend_childs.series[label] === 'undefined')
- return;
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
- if(this.element_legend_childs.series[label].value !== null)
- this.element_legend_childs.series[label].value.innerHTML = string;
+ NETDATA.globalSelectionSync = {
+ state: null,
+ dont_sync_before: 0,
+ last_t: 0,
+ slaves: [],
- if(this.element_legend_childs.series[label].user !== null)
- this.element_legend_childs.series[label].user.innerHTML = string;
- }
+ stop: function() {
+ if(this.state !== null)
+ this.state.globalSelectionSyncStop();
+ },
- chartState.prototype.legendSetDate = function(ms) {
- if(typeof ms !== 'number') {
- this.legendUndefined();
- return;
+ delay: function() {
+ if(this.state !== null) {
+ this.state.globalSelectionSyncDelay();
+ }
}
+ };
- var d = new Date(ms);
-
- if(this.element_legend_childs.title_date)
- this.element_legend_childs.title_date.innerHTML = d.toLocaleDateString();
+ // ----------------------------------------------------------------------------------------------------------------
+ // Our state object, where all per-chart values are stored
- if(this.element_legend_childs.title_time)
- this.element_legend_childs.title_time.innerHTML = d.toLocaleTimeString();
+ chartState = function(element) {
+ var self = $(element);
+ this.element = element;
+
+ // IMPORTANT:
+ // all private functions should use 'that', instead of 'this'
+ var that = this;
+
+ /* error() - private
+ * show an error instead of the chart
+ */
+ var error = function(msg) {
+ that.element.innerHTML = that.id + ': ' + msg;
+ that.enabled = false;
+ that.current = that.pan;
+ }
- if(this.element_legend_childs.title_units)
- this.element_legend_childs.title_units.innerHTML = this.chart.units;
- }
+ // GUID - a unique identifier for the chart
+ this.uuid = NETDATA.guid();
- chartState.prototype.legendUndefined = function() {
- if(this.element_legend_childs.title_date)
- this.element_legend_childs.title_date.innerHTML = ' ';
+ // string - the name of chart
+ this.id = self.data('netdata');
- if(this.element_legend_childs.title_time)
- this.element_legend_childs.title_time.innerHTML = this.chart.name;
+ // string - the key for localStorage settings
+ this.settings_id = self.data('id') || null;
- if(this.element_legend_childs.title_units)
- this.element_legend_childs.title_units.innerHTML = ' ';
- }
+ // the user given dimensions of the element
+ this.width = self.data('width') || NETDATA.chartDefaults.width;
+ this.height = self.data('height') || NETDATA.chartDefaults.height;
- chartState.prototype.legendShowLatestValues = function() {
- if(this.chart === null) return;
- if(this.selected) return;
+ 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
- if(this.current.data === null || this.element_legend_childs.series === null) {
- this.legendUndefined();
- return;
+ resizeChartToHeight(height);
+ });
}
- if(Math.abs(this.current.data.last_entry_t - this.current.data.before) <= this.current.data.view_update_every)
- this.legendSetDate(this.current.data.before * 1000);
- else
- this.legendUndefined();
+ // string - the netdata server URL, without any path
+ this.host = self.data('host') || NETDATA.chartDefaults.host;
- for(var i = 0; i < this.current.data.dimension_names.length; i++) {
- if(typeof this.current.data.dimension_names[i] === 'undefined')
- continue;
+ // 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);
- if(typeof this.element_legend_childs.series[this.current.data.dimension_names[i]] === 'undefined')
- continue;
+ // string - the grouping method requested by the user
+ this.method = self.data('method') || NETDATA.chartDefaults.method;
- if(Math.abs(this.current.data.last_entry_t - this.current.data.before) <= this.current.data.view_update_every)
- this.legendSetLabelValue(this.current.data.dimension_names[i], this.legendFormatValue(this.current.data.result_latest_values[i]));
- else
- this.legendSetLabelValue(this.current.data.dimension_names[i], '');
- }
- }
+ // the time-range requested by the user
+ this.after = self.data('after') || NETDATA.chartDefaults.after;
+ this.before = self.data('before') || NETDATA.chartDefaults.before;
- chartState.prototype.legendReset = function() {
- this.legendShowLatestValues();
- }
+ // 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.legendUpdateDOM = function() {
- if(!this.hasLegend()) return;
+ // the dimensions requested by the user
+ this.dimensions = self.data('dimensions') || null;
- var needed = false;
+ // the chart library requested by the user
+ this.library_name = self.data('chart-library') || NETDATA.chartDefaults.library;
- // 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 {
- // this.log('checking existing legend');
- for(var i = 0; i < this.current.data.dimension_names.length; i++) {
- if(typeof this.element_legend_childs.series[this.current.data.dimension_names[i]] === 'undefined') {
- // this.log('legend is incosistent - missing dimension:' + this.current.data.dimension_names[i]);
- needed = true;
- break;
- }
- else if(Math.abs(this.current.data.last_entry_t - this.current.data.before) <= this.current.data.view_update_every) {
- // this.log('setting legend of ' + this.current.data.dimension_names[i] + ' to ' + this.current.data.latest_values[i]);
- this.legendSetLabelValue(this.current.data.dimension_names[i], this.legendFormatValue(this.current.data.latest_values[i]));
- }
- }
- }
+ // object - the chart library used
+ this.library = null;
- if(!needed) return;
+ // color management
+ this.colors = null;
+ this.colors_assigned = {};
+ this.colors_available = null;
- if(this.debug) this.log('updating Legend DOM');
+ // the element already created by the user
+ this.element_message = null;
- this.element_legend.innerHTML = '';
+ // the element with the chart
+ this.element_chart = null;
+ // the element with the legend of the chart (if created by us)
+ this.element_legend = null;
this.element_legend_childs = {
- title_date: document.createElement('span'),
- title_time: document.createElement('span'),
- title_units: document.createElement('span'),
- series: {}
+ hidden: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ nano: null,
+ nano_options: null,
+ series: null
};
- this.element_legend_childs.title_date.className += " netdata-legend-title-date";
- this.element_legend.appendChild(this.element_legend_childs.title_date);
+ 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.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.element_legend.appendChild(document.createElement('br'));
+ // this is a pointer to one of the sub-classes below
+ // auto, pan, zoom
+ this.current = this.auto;
- this.element_legend_childs.title_time.className += " netdata-legend-title-time";
- this.element_legend.appendChild(this.element_legend_childs.title_time);
+ // check the requested library is available
+ // we don't initialize it here - it will be initialized when
+ // this chart will be first used
+ if(typeof NETDATA.chartLibraries[that.library_name] === 'undefined') {
+ NETDATA.error(402, that.library_name);
+ error('chart library "' + that.library_name + '" is not found');
+ return;
+ }
+ else if(NETDATA.chartLibraries[that.library_name].enabled === false) {
+ NETDATA.error(403, that.library_name);
+ error('chart library "' + that.library_name + '" is not enabled');
+ return;
+ }
+ else
+ that.library = NETDATA.chartLibraries[that.library_name];
- this.element_legend.appendChild(document.createElement('br'));
+ // milliseconds - the time the last refresh took
+ this.refresh_dt_ms = 0;
- this.element_legend_childs.title_units.className += " netdata-legend-title-units";
- this.element_legend.appendChild(this.element_legend_childs.title_units);
+ // 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
- this.element_legend.appendChild(document.createElement('br'));
+ if(refresh_dt_element_name !== null)
+ this.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null;
+ else
+ this.refresh_dt_element = null;
- var nano = document.createElement('div');
- nano.className = 'netdata-legend-series';
- this.element_legend.appendChild(nano);
+ this.dimensions_visibility = new dimensionsVisibility(this);
- var content = document.createElement('div');
- content.className = 'netdata-legend-series-content';
- nano.appendChild(content);
+ // ============================================================================================================
+ // PRIVATE FUNCTIONS
- self = $(this);
- var genLabel = function(state, parent, name, count) {
- var c = count % NETDATA.colors.length;
+ var createDOM = function() {
+ if(that.enabled === false) return;
- var user_element = null;
- var user_id = self.data('show-value-of-' + name + '-at') || null;
- if(user_id) user_element = document.getElementById(user_id);
+ 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 = '';
- state.element_legend_childs.series[name] = {
- name: document.createElement('span'),
- value: document.createElement('span'),
- user: user_element
- };
+ that.element.innerHTML = '';
- var label = state.element_legend_childs.series[name];
+ that.element_message = document.createElement('div');
+ that.element_message.className = ' netdata-message hidden';
+ that.element.appendChild(that.element_message);
- label.name.className += ' netdata-legend-name';
- label.value.className += ' netdata-legend-value';
- label.name.title = name;
- label.value.title = name;
+ that.element_chart = document.createElement('div');
+ that.element_chart.id = that.library_name + '-' + that.uuid + '-chart';
+ that.element.appendChild(that.element_chart);
- var rgb = NETDATA.colorHex2Rgb(NETDATA.colors[c]);
- 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(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';
- var text = document.createTextNode(' ' + name);
- label.name.appendChild(text);
+ 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';
- label.name.style.color = NETDATA.colors[c];
- label.value.style.color = NETDATA.colors[c];
+ 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)
+ that.tm.last_resized = 0;
+ else
+ $(that.element).css('height', (that.element.offsetWidth * that.library.aspect_ratio / 100).toString() + 'px');
+ }
- if(count > 0)
- parent.appendChild(document.createElement('br'));
+ if(NETDATA.chartDefaults.min_width !== null)
+ $(that.element).css('min-width', NETDATA.chartDefaults.min_width);
- parent.appendChild(label.name);
- parent.appendChild(label.value);
- };
+ that.tm.last_dom_created = new Date().getTime();
- if(this.current.data) {
- var me = this;
- $.each(me.current.data.dimension_names, function(i, d) {
- genLabel(me, content, d, i);
- });
- }
- else {
- var me = this;
- $.each(me.chart.dimensions, function(i, d) {
- genLabel(me, content, d.name, i);
- });
+ showLoading();
}
- // 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);
- nano.appendChild(el);
-
- $(nano).nanoScroller({
- 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
- });
-
- this.legendShowLatestValues();
- }
+ /* init() private
+ * initialize state viariables
+ * destroy all (possibly) created state elements
+ * create the basic DOM for a chart
+ */
+ var init = function() {
+ if(that.enabled === false) return;
+
+ that.paused = false;
+ that.selected = false;
+
+ that.chart_created = false; // boolean - is the library.create() been called?
+ that.updates_counter = 0; // numeric - the number of refreshes made so far
+ that.updates_since_last_creation = 0;
+
+ that.tm = {
+ last_initialized: 0, // milliseconds - the timestamp it was last initialized
+ last_dom_created: 0, // milliseconds - the timestamp its DOM was last created
+ last_mode_switch: 0, // milliseconds - the timestamp it switched modes
+
+ last_info_downloaded: 0, // milliseconds - the timestamp we downloaded the chart
+ last_updated: 0, // the timestamp the chart last updated with data
+ pan_and_zoom_seq: 0, // the sequence number of the global synchronization
+ // between chart.
+ // Used with NETDATA.globalPanAndZoom.seq
+ last_visible_check: 0, // the time we last checked if it is visible
+ last_resized: 0, // the time the chart was resized
+ last_hidden: 0, // the time the chart was hidden
+ last_unhidden: 0, // the time the chart was unhidden
+ last_autorefreshed: 0 // the time the chart was last refreshed
+ },
- chartState.prototype.createChartDOM = function() {
- if(this.debug) this.log('creating DOM');
-
- if(this.hasLegend()) {
- this.element_chart_id = this.library_name + '-' + this.uuid + '-chart';
- this.element_chart = document.createElement('div');
- this.element_chart.className += ' netdata-chart-with-legend-right';
- this.element_chart.className += ' netdata-' + this.library_name + '-chart-with-legend-right';
- 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);
- this.element.appendChild(this.element_legend);
- this.element_legend_childs.series = null;
- this.legendUpdateDOM();
- }
- else {
- this.element_chart_id = this.library_name + '-' + this.uuid + '-chart';
- this.element_chart = document.createElement('div');
- this.element_chart.className += ' netdata-chart';
- this.element_chart.className += ' netdata-' + this.library_name + '-chart';
- 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 = null;
- this.element_legend = null;
- this.element_legend_childs.series = null;
- }
-
- // in case the user has an active global selection sync in place
- // reset it
- this.globalSelectionSyncStop();
- }
+ 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
- chartState.prototype.hasLegend = function() {
- if(typeof this.___hasLegendCache___ !== 'undefined')
- return this.___hasLegendCache___;
+ that.tm.last_initialized = new Date().getTime();
+ createDOM();
- var leg = false;
- if(this.library && this.library.legend(this) === 'right-side') {
- var legend = $(this.element).data('legend') || 'yes';
- if(legend === 'yes') leg = true;
+ that.setMode('auto');
}
- this.___hasLegendCache___ = leg;
- return leg;
- }
+ var maxMessageFontSize = function() {
+ // normally we want a font size, as tall as the element
+ var h = that.element_message.clientHeight;
- chartState.prototype.legendWidth = function() {
- return (this.hasLegend())?110:0;
- }
+ // but give it some air, 20% let's say, or 5 pixels min
+ var lost = Math.max(h * 0.2, 5);
+ h -= lost;
- chartState.prototype.legendHeight = function() {
- return $(this.element).height();
- }
+ // center the text, verically
+ var paddingTop = (lost - 5) / 2;
- chartState.prototype.chartWidth = function() {
- return $(this.element).width() - this.legendWidth();
- }
+ // 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.chartHeight = function() {
- return $(this.element).height();
- }
+ // 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;
+ }
- chartState.prototype.chartPixelsPerPoint = function() {
- // force an options provided detail
- var px = this.pixels_per_point;
+ // set it
+ that.element_message.style.fontSize = h.toString() + 'px';
+ that.element_message.style.paddingTop = paddingTop.toString() + 'px';
+ }
- if(this.library && px < this.library.pixels_per_point(this))
- px = this.library.pixels_per_point(this);
+ var showMessage = function(msg) {
+ that.element_message.className = 'netdata-message';
+ that.element_message.innerHTML = msg;
+ this.element_message.style.fontSize = 'x-small';
+ that.element_message.style.paddingTop = '0px';
+ that.___messageHidden___ = undefined;
+ }
- if(px < NETDATA.options.current.pixels_per_point)
- px = NETDATA.options.current.pixels_per_point;
+ var showMessageIcon = function(icon) {
+ that.element_message.innerHTML = icon;
+ that.element_message.className = 'netdata-message icon';
+ maxMessageFontSize();
+ that.___messageHidden___ = undefined;
+ }
- return px;
- }
+ var hideMessage = function() {
+ if(typeof that.___messageHidden___ === 'undefined') {
+ that.___messageHidden___ = true;
+ that.element_message.className = 'netdata-message hidden';
+ }
+ }
- chartState.prototype.needsResize = function() {
- return (this.library && !this.library.autoresize() && this.last_resized < NETDATA.options.last_resized);
- }
+ var showRendering = function() {
+ var icon;
+ if(that.chart !== null) {
+ if(that.chart.chart_type === 'line')
+ icon = '<i class="fa fa-line-chart"></i>';
+ else
+ icon = '<i class="fa fa-area-chart"></i>';
+ }
+ else
+ icon = '<i class="fa fa-area-chart"></i>';
- chartState.prototype.resizeChart = function() {
- if(this.needsResize()) {
- if(this.debug) this.log('forcing re-generation due to window resize.');
- this.created_ms = 0;
- this.last_resized = new Date().getTime();
+ showMessageIcon(icon + ' netdata');
}
- }
- 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.follows_global = 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.follows_global = 0;
- }
+ var showLoading = function() {
+ if(that.chart_created === false) {
+ showMessageIcon('<i class="fa fa-refresh"></i> netdata');
+ return true;
+ }
+ return false;
+ }
+
+ var isHidden = function() {
+ if(typeof that.___chartIsHidden___ !== 'undefined')
+ return true;
+
+ return false;
+ }
+
+ // hide the chart, when it is not visible - called from isVisible()
+ var hideChart = function() {
+ // hide it, if it is not already hidden
+ if(isHidden() === true) return;
+
+ if(that.chart_created === true) {
+ // we should destroy it
+ if(NETDATA.options.current.destroy_on_hide === true) {
+ init();
+ }
+ else {
+ showRendering();
+ that.element_chart.style.display = 'none';
+ if(that.element_legend !== null) that.element_legend.style.display = 'none';
+ }
+ }
+
+ that.___chartIsHidden___ = true;
+ }
+
+ // unhide the chart, when it is visible - called from isVisible()
+ var unhideChart = function() {
+ if(isHidden() === false) return;
+
+ that.___chartIsHidden___ = undefined;
+
+ if(that.chart_created === false) {
+ // we need to re-initialize it, to show our background
+ // logo in bootstrap tabs, until the chart loads
+ init();
+ }
+ else {
+ that.element_chart.style.display = '';
+ if(that.element_legend !== null) that.element_legend.style.display = '';
+ resizeChart();
+ hideMessage();
+ }
+ }
+
+ var canBeRendered = function() {
+ if(isHidden() === true || that.isVisible(true) === false)
+ return false;
+
+ return true;
+ }
+
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryUpdateSafely = function(data) {
+ var status;
+
+ if(canBeRendered() === false)
+ return false;
+
+ if(NETDATA.options.debug.chart_errors === true)
+ status = that.library.update(that, data);
+ else {
+ try {
+ status = that.library.update(that, data);
+ }
+ catch(err) {
+ status = false;
+ }
+ }
+
+ if(status === false) {
+ error('chart failed to be updated as ' + that.library_name);
+ return false;
+ }
+
+ that.updates_since_last_creation++;
+ return true;
+ }
+
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryCreateSafely = function(data) {
+ var status;
+
+ if(canBeRendered() === false)
+ return false;
+
+ if(NETDATA.options.debug.chart_errors === true)
+ status = that.library.create(that, data);
+ else {
+ try {
+ status = that.library.create(that, data);
+ }
+ catch(err) {
+ status = false;
+ }
+ }
+
+ if(status === false) {
+ error('chart failed to be created as ' + that.library_name);
+ return false;
+ }
+
+ that.chart_created = true;
+ that.updates_since_last_creation = 0;
+ return true;
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Chart Resize
+
+ // resizeChart() - private
+ // to be called just before the chart library to make sure that
+ // a properly sized dom is available
+ var resizeChart = function() {
+ if(that.isVisible() === true && that.tm.last_resized < NETDATA.options.last_resized) {
+ if(that.chart_created === false) return;
+
+ if(that.needsRecreation()) {
+ init();
+ }
+ else if(typeof that.library.resize === 'function') {
+ that.library.resize(that);
+
+ if(that.element_legend_childs.nano !== null && that.element_legend_childs.nano_options !== null)
+ $(that.element_legend_childs.nano).nanoScroller();
+
+ maxMessageFontSize();
+ }
+
+ that.tm.last_resized = new Date().getTime();
+ }
+ }
+
+ // this is the actual chart resize algorithm
+ // it will:
+ // - resize the entire container
+ // - update the internal states
+ // - resize the chart as the div changes height
+ // - update the scrollbar of the legend
+ var resizeChartToHeight = function(h) {
+ // console.log(h);
+ that.element.style.height = h;
+
+ if(that.settings_id !== null)
+ NETDATA.localStorageSet('chart_heights.' + that.settings_id, h);
+
+ var now = new Date().getTime();
+ NETDATA.options.last_page_scroll = now;
+ NETDATA.options.last_resized = now;
+ NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.stop_updates_while_resizing;
+
+ // force a resize
+ that.tm.last_resized = 0;
+ resizeChart();
+ };
+
+ this.resizeHandler = function(e) {
+ e.preventDefault();
+
+ if(typeof this.event_resize === 'undefined'
+ || this.event_resize.chart_original_w === 'undefined'
+ || this.event_resize.chart_original_h === 'undefined')
+ this.event_resize = {
+ chart_original_w: this.element.clientWidth,
+ chart_original_h: this.element.clientHeight,
+ last: 0
+ };
+
+ if(e.type === 'touchstart') {
+ this.event_resize.mouse_start_x = e.touches.item(0).pageX;
+ this.event_resize.mouse_start_y = e.touches.item(0).pageY;
+ }
+ else {
+ this.event_resize.mouse_start_x = e.clientX;
+ this.event_resize.mouse_start_y = e.clientY;
+ }
+
+ this.event_resize.chart_start_w = this.element.clientWidth;
+ this.event_resize.chart_start_h = this.element.clientHeight;
+ this.event_resize.chart_last_w = this.element.clientWidth;
+ this.event_resize.chart_last_h = this.element.clientHeight;
+
+ var now = new Date().getTime();
+ if(now - this.event_resize.last <= NETDATA.options.current.double_click_speed) {
+ // double click / double tap event
+
+ // the optimal height of the chart
+ // showing the entire legend
+ var optimal = this.event_resize.chart_last_h
+ + this.element_legend_childs.content.scrollHeight
+ - this.element_legend_childs.content.clientHeight;
+
+ // if we are not optimal, be optimal
+ if(this.event_resize.chart_last_h != optimal)
+ resizeChartToHeight(optimal.toString() + 'px');
+
+ // else if we do not have the original height
+ // reset to the original height
+ else if(this.event_resize.chart_last_h != this.event_resize.chart_original_h)
+ resizeChartToHeight(this.event_resize.chart_original_h.toString() + 'px');
+ }
+ else {
+ this.event_resize.last = now;
+
+ // process movement event
+ document.onmousemove =
+ document.ontouchmove =
+ this.element_legend_childs.resize_handler.onmousemove =
+ this.element_legend_childs.resize_handler.ontouchmove =
+ function(e) {
+ var y = null;
+
+ switch(e.type) {
+ case 'mousemove': y = e.clientY; break;
+ case 'touchmove': y = e.touches.item(e.touches - 1).pageY; break;
+ }
+
+ if(y !== null) {
+ var newH = that.event_resize.chart_start_h + y - that.event_resize.mouse_start_y;
+
+ if(newH >= 70 && newH !== that.event_resize.chart_last_h) {
+ resizeChartToHeight(newH.toString() + 'px');
+ that.event_resize.chart_last_h = newH;
+ }
+ }
+ };
+
+ // process end event
+ document.onmouseup =
+ document.ontouchend =
+ this.element_legend_childs.resize_handler.onmouseup =
+ this.element_legend_childs.resize_handler.ontouchend =
+ function(e) {
+ // remove all the hooks
+ document.onmouseup =
+ document.onmousemove =
+ document.ontouchmove =
+ document.ontouchend =
+ that.element_legend_childs.resize_handler.onmousemove =
+ that.element_legend_childs.resize_handler.ontouchmove =
+ that.element_legend_childs.resize_handler.onmouseout =
+ that.element_legend_childs.resize_handler.onmouseup =
+ that.element_legend_childs.resize_handler.ontouchend =
+ null;
+
+ // allow auto-refreshes
+ NETDATA.options.auto_refresher_stop_until = 0;
+ };
+ }
+ }
+
+
+ var noDataToShow = function() {
+ showMessageIcon('<i class="fa fa-warning"></i> empty');
+ that.legendUpdateDOM();
+ that.tm.last_autorefreshed = new Date().getTime();
+ that.data_update_every = 30 * 1000;
+ }
+
+ // ============================================================================================================
+ // PUBLIC FUNCTIONS
+
+ this.error = function(msg) {
+ error(msg);
+ }
+
+ this.setMode = function(m) {
+ if(this.current !== null && this.current.name === m) return;
+
+ if(m === 'auto')
+ this.current = this.auto;
+ else if(m === 'pan')
+ this.current = this.pan;
+ else if(m === 'zoom')
+ this.current = this.zoom;
+ else
+ this.current = this.auto;
+
+ this.current.force_update_at = 0;
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+
+ this.tm.last_mode_switch = new Date().getTime();
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
+
+ // prevent to global selection sync for some time
+ this.globalSelectionSyncDelay = function(ms) {
+ if(NETDATA.options.current.sync_selection === false)
+ return;
+
+ if(typeof ms === 'number')
+ NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + ms;
+ else
+ NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_selection_delay;
+ }
+
+ // can we globally apply selection sync?
+ this.globalSelectionSyncAbility = function() {
+ if(NETDATA.options.current.sync_selection === false)
+ return false;
+
+ if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime())
+ return false;
+
+ return true;
+ }
+
+ this.globalSelectionSyncIsMaster = function() {
+ if(NETDATA.globalSelectionSync.state === this)
+ return true;
+ else
+ return false;
+ }
+
+ // this chart is the master of the global selection sync
+ this.globalSelectionSyncBeMaster = function() {
+ // am I the master?
+ if(this.globalSelectionSyncIsMaster()) {
+ if(this.debug === true)
+ this.log('sync: I am the master already.');
+
+ return;
+ }
+
+ if(NETDATA.globalSelectionSync.state) {
+ if(this.debug === true)
+ this.log('sync: I am not the sync master. Resetting global sync.');
+
+ this.globalSelectionSyncStop();
+ }
+
+ // become the master
+ if(this.debug === true)
+ this.log('sync: becoming sync master.');
+
+ this.selected = true;
+ NETDATA.globalSelectionSync.state = this;
+
+ // find the all slaves
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) {
+ st = targets[len];
+
+ if(st === this) {
+ if(this.debug === true)
+ st.log('sync: not adding me to sync');
+ }
+ else if(st.globalSelectionSyncIsEligible()) {
+ if(this.debug === true)
+ st.log('sync: adding to sync as slave');
+
+ st.globalSelectionSyncBeSlave();
+ }
+ }
+
+ // this.globalSelectionSyncDelay(100);
+ }
+
+ // can the chart participate to the global selection sync as a slave?
+ this.globalSelectionSyncIsEligible = function() {
+ if(this.enabled === true
+ && this.library !== null
+ && typeof this.library.setSelection === 'function'
+ && this.isVisible() === true
+ && this.chart_created === true)
+ return true;
+
+ return false;
+ }
+
+ // this chart becomes a slave of the global selection sync
+ this.globalSelectionSyncBeSlave = function() {
+ if(NETDATA.globalSelectionSync.state !== this)
+ NETDATA.globalSelectionSync.slaves.push(this);
+ }
+
+ // sync all the visible charts to the given time
+ // this is to be called from the chart libraries
+ this.globalSelectionSync = function(t) {
+ if(this.globalSelectionSyncAbility() === false) {
+ if(this.debug === true)
+ this.log('sync: cannot sync (yet?).');
+
+ return;
+ }
+
+ if(this.globalSelectionSyncIsMaster() === false) {
+ if(this.debug === true)
+ this.log('sync: trying to be sync master.');
+
+ this.globalSelectionSyncBeMaster();
+
+ if(this.globalSelectionSyncAbility() === false) {
+ if(this.debug === true)
+ this.log('sync: cannot sync (yet?).');
+
+ return;
+ }
+ }
+
+ NETDATA.globalSelectionSync.last_t = t;
+ $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+ st.setSelection(t);
+ });
+ }
+
+ // stop syncing all charts to the given time
+ this.globalSelectionSyncStop = function() {
+ if(NETDATA.globalSelectionSync.slaves.length) {
+ if(this.debug === true)
+ this.log('sync: cleaning up...');
+
+ $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+ if(st === that) {
+ if(that.debug === true)
+ st.log('sync: not adding me to sync stop');
+ }
+ else {
+ if(that.debug === true)
+ st.log('sync: removed slave from sync');
+
+ st.clearSelection();
+ }
+ });
+
+ NETDATA.globalSelectionSync.last_t = 0;
+ NETDATA.globalSelectionSync.slaves = [];
+ NETDATA.globalSelectionSync.state = null;
+ }
+
+ this.clearSelection();
+ }
+
+ this.setSelection = function(t) {
+ if(typeof this.library.setSelection === 'function') {
+ if(this.library.setSelection(this, t) === true)
+ this.selected = true;
+ else
+ this.selected = false;
+ }
+ else this.selected = true;
+
+ if(this.selected === true && this.debug === true)
+ this.log('selection set to ' + t.toString());
+
+ return this.selected;
+ }
+
+ this.clearSelection = function() {
+ if(this.selected === true) {
+ if(typeof this.library.clearSelection === 'function') {
+ if(this.library.clearSelection(this) === true)
+ this.selected = false;
+ else
+ this.selected = true;
+ }
+ else this.selected = false;
+
+ if(this.selected === false && this.debug === true)
+ this.log('selection cleared');
+
+ this.legendReset();
+ }
+
+ return this.selected;
+ }
+
+ // find if a timestamp (ms) is shown in the current chart
+ this.timeIsVisible = function(t) {
+ if(t >= this.data_after && t <= this.data_before)
+ return true;
+ return false;
+ },
+
+ this.calculateRowForTime = function(t) {
+ if(this.timeIsVisible(t) === false) return -1;
+ return Math.floor((t - this.data_after) / this.data_update_every);
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ // console logging
+ this.log = function(msg) {
+ console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
+ }
+
+ this.pauseChart = function() {
+ if(this.paused === false) {
+ if(this.debug === true)
+ this.log('pauseChart()');
+
+ this.paused = true;
+ }
+ }
+
+ this.unpauseChart = function() {
+ if(this.paused === true) {
+ if(this.debug === true)
+ this.log('unpauseChart()');
+
+ this.paused = false;
+ }
+ }
+
+ this.resetChart = function(dont_clear_master, dont_update) {
+ if(this.debug === true)
+ this.log('resetChart(' + dont_clear_master + ', ' + dont_update + ') called');
+
+ if(typeof dont_clear_master === 'undefined')
+ dont_clear_master = false;
+
+ if(typeof dont_update === 'undefined')
+ dont_update = false;
+
+ if(dont_clear_master !== true && NETDATA.globalPanAndZoom.isMaster(this) === true) {
+ if(this.debug === true)
+ this.log('resetChart() diverting to clearMaster().');
+ // this will call us back with master === true
+ NETDATA.globalPanAndZoom.clearMaster();
+ return;
+ }
+
+ this.clearSelection();
+
+ this.tm.pan_and_zoom_seq = 0;
+
+ this.setMode('auto');
+ this.current.force_update_at = 0;
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+ this.tm.last_autorefreshed = 0;
+ this.paused = false;
+ this.selected = false;
+ this.enabled = true;
+ // this.debug = false;
+
+ // do not update the chart here
+ // or the chart will flip-flop when it is the master
+ // of a selection sync and another chart becomes
+ // the new master
+
+ if(dont_update !== true && this.isVisible() === true) {
+ this.updateChart();
+ }
+ }
+
+ this.updateChartPanOrZoom = function(after, before) {
+ if(this.debug === true)
+ this.log('updateChartPanOrZoom() called.');
+
+ if(before < after) return false;
+
+ var min_duration = Math.round((this.chartWidth() / 30 * this.chart.update_every * 1000));
+
+ if(this.debug === true)
+ this.log('requested duration of ' + ((before - after) / 1000).toString() + ' (' + after + ' - ' + before + '), minimum ' + min_duration / 1000);
+
+ if((before - after) < min_duration) return false;
+
+ var current_duration = this.data_before - this.data_after;
+ var wanted_duration = before - after;
+ var tolerance = this.data_update_every * 2;
+ var movement = Math.abs(before - this.data_before);
+
+ if(this.debug === true)
+ this.log('current duration: ' + current_duration / 1000 + ', wanted duration: ' + wanted_duration / 1000 + ', movement: ' + movement / 1000 + ', tolerance: ' + tolerance / 1000);
+
+ if(Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance) {
+ if(this.debug === true)
+ this.log('IGNORED');
+
+ return false;
+ }
+
+ if(this.current.name === 'auto') {
+ this.setMode('pan');
+
+ if(this.debug === true)
+ this.log('updateChartPanOrZoom(): caller did not set proper mode');
+ }
+
+ 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;
+ }
+
+ this.legendFormatValue = function(value) {
+ if(value === null || value === 'undefined') return '-';
+ if(typeof value !== 'number') return value;
+
+ var abs = Math.abs(value);
+ if(abs >= 100) return Math.round(value).toLocaleString();
+ if(abs >= 1) return (Math.round(value * 100) / 100).toLocaleString();
+ if(abs >= 0.1) return (Math.round(value * 1000) / 1000).toLocaleString();
+ return (Math.round(value * 10000) / 10000).toLocaleString();
+ }
+
+ this.legendSetLabelValue = function(label, value) {
+ var series = this.element_legend_childs.series[label];
+ if(typeof series === 'undefined') return;
+ if(series.value === null && series.user === null) return;
+
+ // if the value has not changed, skip DOM update
+ //if(series.last === value) return;
+
+ var s, r;
+ if(typeof value === 'number') {
+ var v = Math.abs(value);
+ s = r = this.legendFormatValue(value);
+
+ if(typeof series.last === 'number') {
+ if(v > series.last) s += '<i class="fa fa-angle-up" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else if(v < series.last) s += '<i class="fa fa-angle-down" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else s += '<i class="fa fa-angle-left" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ }
+ else s += '<i class="fa fa-angle-right" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ series.last = v;
+ }
+ else {
+ s = r = value;
+ series.last = value;
+ }
+
+ if(series.value !== null) series.value.innerHTML = s;
+ if(series.user !== null) series.user.innerHTML = r;
+ }
+
+ this.legendSetDate = function(ms) {
+ if(typeof ms !== 'number') {
+ this.legendShowUndefined();
+ return;
+ }
+
+ var d = new Date(ms);
+
+ if(this.element_legend_childs.title_date)
+ this.element_legend_childs.title_date.innerHTML = d.toLocaleDateString();
+
+ if(this.element_legend_childs.title_time)
+ this.element_legend_childs.title_time.innerHTML = d.toLocaleTimeString();
+
+ if(this.element_legend_childs.title_units)
+ this.element_legend_childs.title_units.innerHTML = this.units;
+ }
+
+ this.legendShowUndefined = function() {
+ if(this.element_legend_childs.title_date)
+ this.element_legend_childs.title_date.innerHTML = ' ';
+
+ if(this.element_legend_childs.title_time)
+ this.element_legend_childs.title_time.innerHTML = this.chart.name;
+
+ if(this.element_legend_childs.title_units)
+ this.element_legend_childs.title_units.innerHTML = ' ';
+
+ if(this.data && this.element_legend_childs.series !== null) {
+ var labels = this.data.dimension_names;
+ var i = labels.length;
+ while(i--) {
+ var label = labels[i];
+
+ if(typeof label === 'undefined') continue;
+ if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+ this.legendSetLabelValue(label, null);
+ }
+ }
+ }
+
+ this.legendShowLatestValues = function() {
+ if(this.chart === null) return;
+ if(this.selected) return;
+
+ if(this.data === null || this.element_legend_childs.series === null) {
+ this.legendShowUndefined();
+ return;
+ }
+
+ var show_undefined = true;
+ if(Math.abs(this.data.last_entry - this.data.before) <= this.data.view_update_every)
+ show_undefined = false;
+
+ if(show_undefined) {
+ this.legendShowUndefined();
+ return;
+ }
+
+ this.legendSetDate(this.data.before * 1000);
+
+ var labels = this.data.dimension_names;
+ var i = labels.length;
+ while(i--) {
+ var label = labels[i];
+
+ if(typeof label === 'undefined') continue;
+ if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+
+ if(show_undefined)
+ this.legendSetLabelValue(label, null);
+ else
+ this.legendSetLabelValue(label, this.data.view_latest_values[i]);
+ }
+ }
+
+ this.legendReset = function() {
+ this.legendShowLatestValues();
+ }
+
+ // this should be called just ONCE per dimension per chart
+ this._chartDimensionColor = function(label) {
+ if(this.colors === null) this.chartColors();
+
+ if(typeof this.colors_assigned[label] === 'undefined') {
+ if(this.colors_available.length === 0) {
+ for(var i = 0, len = NETDATA.colors.length; i < len ; i++)
+ this.colors_available.push(NETDATA.colors[i]);
+ }
+
+ this.colors_assigned[label] = this.colors_available.shift();
+
+ if(this.debug === true)
+ this.log('label "' + label + '" got color "' + this.colors_assigned[label]);
+ }
+ else {
+ if(this.debug === true)
+ this.log('label "' + label + '" already has color "' + this.colors_assigned[label] + '"');
+ }
+
+ this.colors.push(this.colors_assigned[label]);
+ return this.colors_assigned[label];
+ }
+
+ this.chartColors = function() {
+ if(this.colors !== null) return this.colors;
+
+ this.colors = new Array();
+ this.colors_available = new Array();
+ // this.colors_assigned = {};
+
+ 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)');
+ }
+ else {
+ c = c.split(' ');
+ for(var i = 0, len = c.length; i < len ; i++)
+ this.colors_available.push(c[i]);
+ }
+ }
+
+ // push all the standard colors too
+ for(var i = 0, len = NETDATA.colors.length; i < len ; i++)
+ this.colors_available.push(NETDATA.colors[i]);
+
+ return this.colors;
+ }
+
+ this.legendUpdateDOM = function() {
+ var needed = false;
+
+ // check that the legend DOM is up to date for the downloaded dimensions
+ if(typeof this.element_legend_childs.series !== 'object' || this.element_legend_childs.series === null) {
+ // this.log('the legend does not have any series - requesting legend update');
+ needed = true;
+ }
+ else if(this.data === null) {
+ // this.log('the chart does not have any data - requesting legend update');
+ needed = true;
+ }
+ else if(typeof this.element_legend_childs.series.labels_key === 'undefined') {
+ needed = true;
+ }
+ else {
+ var labels = this.data.dimension_names.toString();
+ if(labels !== this.element_legend_childs.series.labels_key) {
+ needed = true;
+
+ if(this.debug === true)
+ this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"');
+ }
+ }
+
+ if(needed === false) {
+ // make sure colors available
+ this.chartColors();
+
+ // do we have to update the current values?
+ // we do this, only when the visible chart is current
+ if(Math.abs(this.data.last_entry - this.data.before) <= this.data.view_update_every) {
+ if(this.debug === true)
+ this.log('chart in running... updating values on legend...');
+
+ //var labels = this.data.dimension_names;
+ //var i = labels.length;
+ //while(i--)
+ // this.legendSetLabelValue(labels[i], this.data.latest_values[i]);
+ }
+ return;
+ }
+ if(this.colors === null) {
+ // this is the first time we update the chart
+ // let's assign colors to all dimensions
+ if(this.library.track_colors() === true)
+ for(var dim in this.chart.dimensions)
+ this._chartDimensionColor(this.chart.dimensions[dim].name);
+ }
+ // we will re-generate the colors for the chart
+ this.colors = null;
+
+ if(this.debug === true)
+ this.log('updating Legend DOM');
+
+ // mark all dimensions as invalid
+ this.dimensions_visibility.invalidateAll();
+
+ var genLabel = function(state, parent, name, count) {
+ var color = state._chartDimensionColor(name);
+
+ var user_element = null;
+ var user_id = self.data('show-value-of-' + name + '-at') || null;
+ if(user_id !== null) {
+ user_element = document.getElementById(user_id) || null;
+ if(user_element === null)
+ me.log('Cannot find element with id: ' + user_id);
+ }
+
+ state.element_legend_childs.series[name] = {
+ name: document.createElement('span'),
+ value: document.createElement('span'),
+ user: user_element,
+ last: null
+ };
+
+ var label = state.element_legend_childs.series[name];
+
+ // create the dimension visibility tracking for this label
+ state.dimensions_visibility.dimensionAdd(name, label.name, label.value, color);
+
+ var rgb = NETDATA.colorHex2Rgb(color);
+ label.name.innerHTML = '<table class="netdata-legend-name-table-'
+ + state.chart.chart_type
+ + '" style="background-color: '
+ + 'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + NETDATA.options.current['color_fill_opacity_' + state.chart.chart_type] + ')'
+ + '"><tr class="netdata-legend-name-tr"><td class="netdata-legend-name-td"></td></tr></table>'
+
+ var text = document.createTextNode(' ' + name);
+ label.name.appendChild(text);
+
+ if(count > 0)
+ parent.appendChild(document.createElement('br'));
+
+ parent.appendChild(label.name);
+ parent.appendChild(label.value);
+ };
+
+ var content = document.createElement('div');
+
+ if(this.hasLegend()) {
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: document.createElement('div'),
+ title_date: document.createElement('span'),
+ title_time: document.createElement('span'),
+ title_units: document.createElement('span'),
+ nano: document.createElement('div'),
+ nano_options: {
+ paneClass: 'netdata-legend-series-pane',
+ sliderClass: 'netdata-legend-series-slider',
+ contentClass: 'netdata-legend-series-content',
+ enabledClass: '__enabled',
+ flashedClass: '__flashed',
+ activeClass: '__active',
+ tabIndex: -1,
+ alwaysVisible: true,
+ sliderMinHeight: 10
+ },
+ series: {}
+ };
+
+ this.element_legend.innerHTML = '';
+
+ 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);
+
+ // 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);
+ }
+ else {
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ nano: null,
+ nano_options: null,
+ series: {}
+ };
+ }
+
+ if(this.data) {
+ this.element_legend_childs.series.labels_key = this.data.dimension_names.toString();
+ if(this.debug === true)
+ this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"');
+
+ for(var i = 0, len = this.data.dimension_names.length; i < len ;i++) {
+ genLabel(this, content, this.data.dimension_names[i], i);
+ }
+ }
+ else {
+ var tmp = new Array();
+ for(var dim in this.chart.dimensions) {
+ tmp.push(this.chart.dimensions[dim].name);
+ genLabel(this, content, this.chart.dimensions[dim].name, i);
+ }
+ this.element_legend_childs.series.labels_key = tmp.toString();
+ if(this.debug === true)
+ this.log('labels from chart: "' + this.element_legend_childs.series.labels_key + '"');
+ }
+
+ // create a hidden div to be used for hidding
+ // the original legend of the chart library
+ var el = document.createElement('div');
+ if(this.element_legend !== null)
+ this.element_legend.appendChild(el);
+ el.style.display = 'none';
+
+ this.element_legend_childs.hidden = document.createElement('div');
+ el.appendChild(this.element_legend_childs.hidden);
+
+ if(this.element_legend_childs.nano !== null && this.element_legend_childs.nano_options !== null)
+ $(this.element_legend_childs.nano).nanoScroller(this.element_legend_childs.nano_options);
+
+ this.legendShowLatestValues();
+ }
+
+ this.hasLegend = function() {
+ if(typeof this.___hasLegendCache___ !== 'undefined')
+ return this.___hasLegendCache___;
+
+ var leg = false;
+ if(this.library && this.library.legend(this) === 'right-side') {
+ var legend = $(this.element).data('legend') || 'yes';
+ if(legend === 'yes') leg = true;
+ }
+
+ this.___hasLegendCache___ = leg;
+ return leg;
+ }
+
+ this.legendWidth = function() {
+ return (this.hasLegend())?140:0;
+ }
+
+ this.legendHeight = function() {
+ return $(this.element).height();
+ }
+
+ this.chartWidth = function() {
+ return $(this.element).width() - this.legendWidth();
+ }
+
+ this.chartHeight = function() {
+ return $(this.element).height();
+ }
+
+ this.chartPixelsPerPoint = function() {
+ // force an options provided detail
+ var px = this.pixels_per_point;
+
+ if(this.library && px < this.library.pixels_per_point(this))
+ px = this.library.pixels_per_point(this);
+
+ if(px < NETDATA.options.current.pixels_per_point)
+ px = NETDATA.options.current.pixels_per_point;
+
+ return px;
+ }
+
+ this.needsRecreation = function() {
+ return (
+ this.chart_created === true
+ && this.library
+ && this.library.autoresize() === false
+ && this.tm.last_resized < NETDATA.options.last_resized
+ );
+ }
+
+ this.chartURL = function() {
+ var 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;
+ }
+
+ this.requested_after = after * 1000;
+ this.requested_before = before * 1000;
+
+ this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+
+ // build the data URL
+ this.data_url = this.chart.data_url;
+ this.data_url += "&format=" + this.library.format();
+ this.data_url += "&points=" + this.data_points.toString();
+ this.data_url += "&group=" + this.method;
+ this.data_url += "&options=" + this.library.options(this);
+ this.data_url += '|jsonwrap';
+
+ if(NETDATA.options.current.eliminate_zero_dimensions === true)
+ this.data_url += '|nonzero';
- this.current.requested_after_ms = after * 1000;
- this.current.requested_before_ms = before * 1000;
+ if(this.append_options !== null)
+ this.data_url += '|' + this.append_options.toString();
- this.current.points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+ if(after)
+ this.data_url += "&after=" + after.toString();
- // 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';
+ if(before)
+ this.data_url += "&before=" + before.toString();
- if(after)
- this.current.url += "&after=" + after.toString();
+ if(this.dimensions)
+ this.data_url += "&dimensions=" + this.dimensions;
- if(before)
- this.current.url += "&before=" + before.toString();
+ 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);
+ }
- if(this.dimensions)
- this.current.url += "&dimensions=" + this.dimensions;
+ this.redrawChart = function() {
+ if(this.data !== null)
+ this.updateChartWithData(this.data);
+ }
- if(NETDATA.options.debug.chart_data_url || this.debug) this.log('chartURL(): ' + this.current.url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + this.current.points + ' library: ' + this.library_name);
- }
+ this.updateChartWithData = function(data) {
+ if(this.debug === true)
+ this.log('updateChartWithData() called.');
- chartState.prototype.updateChartWithData = function(data) {
- if(this.debug) this.log('got data from netdata server');
- this.current.data = data;
+ // this may force the chart to be re-created
+ resizeChart();
- var started = new Date().getTime();
+ this.data = data;
+ this.updates_counter++;
- // 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;
+ var started = new Date().getTime();
- if(typeof data.after !== 'undefined')
- this.current.after_ms = data.after * 1000;
+ // if the result is JSON, find the latest update-every
+ if(typeof data === 'object') {
+ if(typeof data.view_update_every !== 'undefined')
+ this.data_update_every = data.view_update_every * 1000;
- if(typeof data.before !== 'undefined')
- this.current.before_ms = data.before * 1000;
+ if(typeof data.after !== 'undefined')
+ this.data_after = data.after * 1000;
- if(typeof data.first_entry_t !== 'undefined')
- this.current.first_entry_ms = data.first_entry_t * 1000;
+ if(typeof data.before !== 'undefined')
+ this.data_before = data.before * 1000;
- if(typeof data.last_entry_t !== 'undefined')
- this.current.last_entry_ms = data.last_entry_t * 1000;
+ if(typeof data.first_entry !== 'undefined')
+ this.netdata_first = data.first_entry * 1000;
- if(typeof data.points !== 'undefined')
- this.current.points = data.points;
+ if(typeof data.last_entry !== 'undefined')
+ this.netdata_last = data.last_entry * 1000;
- data.state = this;
- }
+ if(typeof data.points !== 'undefined')
+ this.data_points = data.points;
- this.updates_counter++;
+ data.state = this;
+ }
- if(this.debug) {
- this.log('UPDATE No ' + this.updates_counter + ' COMPLETED');
+ 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');
+ 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.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() + ', min step: ' + (this._minPanOrZoomStep() / 1000).toString());
- }
+ this.log('STATUS: requested: ' + (this.requested_after / 1000).toString() + ' - ' + (this.requested_before / 1000).toString());
+ this.log('STATUS: rendered : ' + (this.data_after / 1000).toString() + ' - ' + (this.data_before / 1000).toString());
+ this.log('STATUS: points : ' + (this.data_points).toString());
+ }
- // this may force the chart to be re-created
- this.resizeChart();
+ if(this.data_points === 0) {
+ noDataToShow();
+ return;
+ }
- if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
- if(this.debug) this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
- this.created_ms = 0;
- }
+ if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
+ if(this.debug === true)
+ this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
- if(this.created_ms > 0 && typeof this.library.update === 'function') {
- if(this.debug) this.log('updating chart...');
+ this.chart_created = false;
+ }
// check and update the legend
this.legendUpdateDOM();
- this.updates_since_last_creation++;
- if(NETDATA.options.debug.chart_errors) {
- this.library.update(this, data);
+ if(this.chart_created === true
+ && typeof this.library.update === 'function') {
+
+ if(this.debug === true)
+ this.log('updating chart...');
+
+ if(callChartLibraryUpdateSafely(data) === false)
+ return;
}
else {
- try {
- this.library.update(this, data);
- }
- catch(err) {
- this.error('chart "' + this.id + '" failed to be updated as ' + this.library_name);
- }
+ if(this.debug === true)
+ this.log('creating chart...');
+
+ if(callChartLibraryCreateSafely(data) === false)
+ return;
+ }
+ hideMessage();
+ this.legendShowLatestValues();
+ if(this.selected === true)
+ NETDATA.globalSelectionSync.stop();
+
+ // update the performance counters
+ var now = new Date().getTime();
+ this.tm.last_updated = now;
+
+ // don't update last_autorefreshed if this chart is
+ // forced to be updated with global PanAndZoom
+ if(NETDATA.globalPanAndZoom.isActive())
+ this.tm.last_autorefreshed = 0;
+ else {
+ if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes)
+ this.tm.last_autorefreshed = Math.round(now / this.data_update_every) * this.data_update_every;
+ else
+ this.tm.last_autorefreshed = now;
}
+
+ this.refresh_dt_ms = now - started;
+ NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
+
+ if(this.refresh_dt_element !== null)
+ this.refresh_dt_element.innerHTML = this.refresh_dt_ms.toString();
}
- else {
- if(this.debug) this.log('creating chart...');
- this.createChartDOM();
- this.updates_since_last_creation = 0;
+ this.updateChart = function(callback) {
+ if(this.debug === true)
+ this.log('updateChart() called.');
- if(NETDATA.options.debug.chart_errors) {
- this.library.create(this, data);
- this.created_ms = new Date().getTime();
+ // 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(typeof callback === 'function') callback();
+ return false;
}
- else {
- try {
- this.library.create(this, data);
- this.created_ms = new Date().getTime();
+
+ if(canBeRendered() === false) {
+ if(typeof callback === 'function') callback();
+ return false;
+ }
+
+ 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;
}
- catch(err) {
- this.error('chart "' + this.id + '" failed to be created as ' + this.library_name);
+ else {
+ error('chart library "' + this.library_name + '" is not available.');
+ if(typeof callback === 'function') callback();
+ return false;
}
}
- }
- this.legendShowLatestValues();
- // update the performance counters
- var now = new Date().getTime();
+ this.clearSelection();
+ this.chartURL();
- // don't update last_autorefreshed if this chart is
- // forced to be updated with global PanAndZoom
- if(NETDATA.globalPanAndZoom.isActive())
- this.current.last_autorefreshed = 0;
- else
- this.current.last_autorefreshed = now;
+ if(this.debug === true)
+ this.log('updating from ' + this.data_url);
- this.refresh_dt_ms = now - started;
- NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
+ this.xhr = $.ajax( {
+ url: this.data_url,
+ crossDomain: NETDATA.options.crossDomainAjax,
+ cache: false,
+ async: true
+ })
+ .success(function(data) {
+ if(that.debug === true)
+ that.log('data received. updating chart.');
- if(this.refresh_dt_element)
- this.refresh_dt_element.innerHTML = this.refresh_dt_ms.toString();
- }
+ that.updateChartWithData(data);
+ })
+ .fail(function() {
+ error('data download failed for url: ' + that.data_url);
+ })
+ .always(function() {
+ if(typeof callback === 'function') callback();
+ });
- 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) this.log('I am not enabled');
- if(typeof callback === 'function') callback();
- return false;
+ return true;
}
- if(this.chart === null) {
- var self = this;
- this.getChart(function() { self.updateChart(callback); });
- return;
- }
+ this.isVisible = function(nocache) {
+ if(typeof nocache === 'undefined')
+ nocache = false;
- if(this.library.initialized === false) {
- var self = this;
- this.library.initialize(function() { self.updateChart(callback); });
- return;
- }
+ // this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll);
- this.clearSelection();
- this.chartURL();
- this.showLoading();
- if(this.debug) this.log('updating from ' + this.current.url);
+ // 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) {
+ if(this.debug === true)
+ this.log('isVisible: ' + this.___isVisible___);
- var self = this;
- this.xhr = $.ajax( {
- url: this.current.url,
- crossDomain: NETDATA.options.crossDomainAjax,
- cache: false,
- async: true
- })
- .success(function(data) {
- self.hideLoading();
- if(self.debug) self.log('data received. updating chart.');
- 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();
- });
- }
+ return this.___isVisible___;
+ }
- chartState.prototype.unhideChart = function() {
- if(typeof this.___isHidden___ !== 'undefined') {
- 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';
- }
- }
+ this.tm.last_visible_check = new Date().getTime();
- chartState.prototype.hideChart = function() {
- if(typeof this.___isHidden___ === 'undefined') {
- 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.element_message.innerHTML = 'chart ' + this.id + ' is hidden to speed up the browser';
- }
- }
+ var wh = window.innerHeight;
+ var x = this.element.getBoundingClientRect();
+ var ret = 0;
+ var tolerance = 0;
- chartState.prototype.hideLoading = function() {
- if(typeof this.___showsLoading___ !== 'undefined') {
- 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!';
- }
- }
+ if(x.width === 0 || x.height === 0) {
+ hideChart();
+ this.___isVisible___ = false;
- chartState.prototype.showLoading = function() {
- if(typeof this.___showsLoading___ === 'undefined' && this.created_ms === 0) {
- 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.element_loading.innerHTML = 'chart ' + this.id + ' is loading...';
- }
- }
+ if(this.debug === true)
+ this.log('isVisible (width:' + x.width + ', height:' + x.height + ', display:"' + this.element.style.display + '"): ' + this.___isVisible___);
- chartState.prototype.isVisible = function() {
- var wh = window.innerHeight;
- var x = this.element.getBoundingClientRect();
- var ret = 0;
+ return this.___isVisible___;
+ }
- var tolerance = 0;
+ 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(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(ret > tolerance) {
+ // the chart is too far
- if(ret > tolerance) {
- // the chart is too far
- if(this.created_ms !== 0) this.hideChart();
- return false;
- }
+ hideChart();
+ this.___isVisible___ = false;
- // the chart is inside or very close
- this.unhideChart();
- return true;
- }
+ if(this.debug === true)
+ this.log('isVisible: ' + this.___isVisible___);
- chartState.prototype.isAutoRefreshed = function() {
- return (this.current.autorefresh);
- }
+ return this.___isVisible___;
+ }
+ else {
+ // the chart is inside or very close
- chartState.prototype.canBeAutoRefreshed = function() {
- now = new Date().getTime();
+ unhideChart();
+ this.___isVisible___ = true;
- if(this.enabled === false) {
- if(this.debug) this.log('I am not enabled');
- return false;
- }
+ if(this.debug === true)
+ this.log('isVisible: ' + this.___isVisible___);
- if(this.library === null || this.library.enabled === false) {
- this.error('charting library "' + this.library_name + '" is not available');
- if(this.debug) this.log('My chart library ' + this.library_name + ' is not available');
- return false;
+ return this.___isVisible___;
+ }
}
- if(this.isVisible() === false) {
- if(NETDATA.options.debug.visibility || this.debug) this.log('I am not visible');
- return;
- }
-
- if(this.current.force_update_at !== 0 && this.current.force_update_at < now) {
- if(this.debug) this.log('timed force update detecting - allowing this update');
- this.current.force_update_at = 0;
- return true;
+ this.isAutoRefreshed = function() {
+ return (this.current.autorefresh);
}
- if(this.isAutoRefreshed()) {
- // allow the first update, even if the page is not visible
- if(this.updates_counter && !NETDATA.options.page_is_visible) {
- if(NETDATA.options.debug.focus || this.debug) this.log('canBeAutoRefreshed(): page does not have focus');
+ this.canBeAutoRefreshed = function() {
+ now = new Date().getTime();
+
+ if(this.enabled === false) {
+ if(this.debug === true)
+ this.log('I am not enabled');
+
return false;
}
- // options valid only for autoRefresh()
- if(NETDATA.options.auto_refresher_stop_until === 0 || NETDATA.options.auto_refresher_stop_until < now) {
- if(NETDATA.globalPanAndZoom.isActive()) {
- if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) {
- if(this.debug) this.log('canBeAutoRefreshed(): global panning: I need an update.');
- return true;
- }
- else {
- if(this.debug) this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
- return false;
- }
- }
+ if(this.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');
- if(this.selected) {
- if(this.debug) this.log('canBeAutoRefreshed(): I have a selection in place.');
- return false;
- }
+ return false;
+ }
- if(this.paused) {
- if(this.debug) this.log('canBeAutoRefreshed(): I am paused.');
- return false;
- }
+ if(this.isVisible() === false) {
+ if(NETDATA.options.debug.visibility === true || this.debug === true)
+ this.log('I am not visible');
- if(now - this.current.last_autorefreshed > this.current.view_update_every) {
- if(this.debug) this.log('canBeAutoRefreshed(): It is time to update me.');
- return true;
- }
+ return false;
}
- }
- 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');
- chartState.prototype.autoRefresh = function(callback) {
- if(this.canBeAutoRefreshed()) {
- this.updateChart(callback);
- }
- else {
- if(typeof callback !== 'undefined')
- callback();
- }
- }
+ this.current.force_update_at = 0;
+ return true;
+ }
- 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());
- }
+ 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');
- // 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.debug) this.log('downloading ' + this.chart_url);
- var self = this;
+ return false;
+ }
- $.ajax( {
- url: this.chart_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);
- })
- .fail(function() {
- NETDATA.error(404, self.chart_url);
- self.error('chart "' + self.id + '" not found on url "' + self.chart_url + '"');
- })
- .always(function() {
- if(typeof callback === 'function') callback();
- });
- }
- }
+ if(this.needsRecreation() === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): needs re-creation.');
- // 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) this.log('sizing element');
+ // options valid only for autoRefresh()
+ if(NETDATA.options.auto_refresher_stop_until === 0 || NETDATA.options.auto_refresher_stop_until < now) {
+ if(NETDATA.globalPanAndZoom.isActive()) {
+ if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): global panning: I need an update.');
- if(this.width)
- $(this.element).css('width', this.width);
+ return true;
+ }
+ else {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
- if(this.height)
- $(this.element).css('height', this.height);
+ return false;
+ }
+ }
- if(NETDATA.chartDefaults.min_width)
- $(this.element).css('min-width', NETDATA.chartDefaults.min_width);
- }
+ if(this.selected === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): I have a selection in place.');
- // show a message in the chart
- chartState.prototype.message = function(type, msg) {
- this.element_message.innerHTML = msg;
- this.hideChart();
+ return false;
+ }
- // reset the creation datetime
- // since we overwrote the whole element
- if(this.debug) this.log(msg);
- }
+ if(this.paused === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): I am paused.');
- // show an error on the chart and stop it forever
- chartState.prototype.error = function(msg) {
- this.message('error', this.id + ': ' + msg);
- this.enabled = false;
- }
+ return false;
+ }
- // show a message indicating the chart is loading
- chartState.prototype.info = function(msg) {
- this.message('info', this.id + ': ' + msg);
- }
+ if(now - this.tm.last_autorefreshed >= this.data_update_every) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): It is time to update me.');
- chartState.prototype.init = function() {
- this.element.innerHTML = '';
+ return true;
+ }
+ }
+ }
- this.element_message = document.createElement('div');
- this.element_message.className += ' netdata-message';
- this.element.appendChild(this.element_message);
+ return false;
+ }
- this.element_loading = document.createElement('div');
- this.element_loading.className += ' netdata-chart-is-loading';
- this.element.appendChild(this.element_loading);
+ this.autoRefresh = function(callback) {
+ if(this.canBeAutoRefreshed() === true) {
+ this.updateChart(callback);
+ }
+ else {
+ if(typeof callback !== 'undefined')
+ callback();
+ }
+ }
- if(this.debug) this.log('created');
- this.sizeChart();
+ 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();
- // 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);
+ if(this.title === null)
+ this.title = chart.title;
- // 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');
+ if(this.units === null)
+ this.units = chart.units;
}
- else if(!NETDATA.chartLibraries[this.library_name].enabled) {
- NETDATA.error(403, this.library_name);
- this.error('chart library "' + this.library_name + '" is not enabled');
+
+ // 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 = this.host + "/api/v1/chart?chart=" + this.id;
+
+ if(this.debug === true)
+ this.log('downloading ' + this.chart_url);
+
+ $.ajax( {
+ url: this.chart_url,
+ crossDomain: NETDATA.options.crossDomainAjax,
+ cache: false,
+ async: true
+ })
+ .done(function(chart) {
+ chart.url = that.chart_url;
+ chart.data_url = (that.host + chart.data_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();
+ });
+ }
}
- else
- this.library = NETDATA.chartLibraries[this.library_name];
- // 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
+
+ init();
+ }
- // the default mode for all charts
- this.setMode('auto');
+ 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 autorefreshing
+ 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) {
var state = $(element).data('netdata-state-object') || null;
- if(!state) {
+ if(state === null) {
state = new chartState(element);
$(element).data('netdata-state-object', state);
}
// This is used to load jquery - after it is loaded, we use jquery
NETDATA._loadjQuery = function(callback) {
if(typeof jQuery === 'undefined') {
- if(NETDATA.options.debug.main_loop) console.log('loading ' + NETDATA.jQuery);
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.jQuery);
var script = document.createElement('script');
script.type = 'text/javascript';
}
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");
}
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() {
// ----------------------------------------------------------------------------------------------------------------
+ // this is purely sequencial charts refresher
+ // it is meant to be autonomous
NETDATA.chartRefresherNoParallel = function(index) {
- // if(NETDATA.options.debug.mail_loop) console.log('NETDATA.chartRefresher(<targets, ' + index + ')');
+ if(NETDATA.options.debug.mail_loop === true)
+ console.log('NETDATA.chartRefresherNoParallel(' + index + ')');
- if(NETDATA.options.updated_dom) {
+ if(NETDATA.options.updated_dom === true) {
// the dom has been updated
// get the dom parts again
- NETDATA.getDomCharts(NETDATA.chartRefresher);
+ NETDATA.parseDom(NETDATA.chartRefresher);
return;
}
- // FIXME targets should be states not DOM elements
- var target = NETDATA.options.targets.get(index);
- if(typeof target === 'undefined') {
- if(NETDATA.options.debug.main_loop) console.log('waiting to restart main loop...');
- NETDATA.options.auto_refresher_fast_weight = 0;
+ if(index >= NETDATA.options.targets.length) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('waiting to restart main loop...');
- setTimeout(function() {
- NETDATA.chartRefresher();
- }, NETDATA.options.current.idle_between_loops);
- }
+ NETDATA.options.auto_refresher_fast_weight = 0;
+
+ setTimeout(function() {
+ NETDATA.chartRefresher();
+ }, NETDATA.options.current.idle_between_loops);
+ }
else {
- var state = NETDATA.chartState(target);
+ var state = NETDATA.options.targets[index];
if(NETDATA.options.auto_refresher_fast_weight < NETDATA.options.current.fast_render_timeframe) {
- if(NETDATA.options.debug.main_loop) console.log('fast rendering...');
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('fast rendering...');
state.autoRefresh(function() {
NETDATA.chartRefresherNoParallel(++index);
});
}
else {
- if(NETDATA.options.debug.main_loop) console.log('waiting for next refresh...');
+ if(NETDATA.options.debug.main_loop === true) console.log('waiting for next refresh...');
NETDATA.options.auto_refresher_fast_weight = 0;
setTimeout(function() {
}
}
- NETDATA.chartRefresher_sequencial = function() {
- if(NETDATA.options.updated_dom) {
+ // this is part of the parallel refresher
+ // its cause is to refresh sequencially all the charts
+ // that depend on chart library initialization
+ // it will call the parallel refresher back
+ // as soon as it sees a chart that its chart library
+ // is initialized
+ NETDATA.chartRefresher_unitialized = function() {
+ if(NETDATA.options.updated_dom === true) {
// the dom has been updated
// get the dom parts again
- NETDATA.getDomCharts(NETDATA.chartRefresher);
+ NETDATA.parseDom(NETDATA.chartRefresher);
return;
}
-
+
if(NETDATA.options.sequencial.length === 0)
NETDATA.chartRefresher();
else {
var state = NETDATA.options.sequencial.pop();
- if(state.library.initialized)
+ if(state.library.initialized === true)
NETDATA.chartRefresher();
else
- state.autoRefresh(NETDATA.chartRefresher_sequencial);
+ state.autoRefresh(NETDATA.chartRefresher_unitialized);
}
}
+ 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()
NETDATA.chartRefresher = function() {
- if(NETDATA.options.pause) {
+ if(NETDATA.options.pause === true) {
// console.log('auto-refresher is paused');
setTimeout(NETDATA.chartRefresher,
- NETDATA.options.current.idle_between_loops);
+ NETDATA.chartRefresherWaitTime());
return;
}
NETDATA.options.pause = true;
NETDATA.options.pauseCallback();
NETDATA.chartRefresher();
+ return;
}
- if(!NETDATA.options.current.parallel_refresher) {
+ if(NETDATA.options.current.parallel_refresher === false) {
NETDATA.chartRefresherNoParallel(0);
return;
}
- if(NETDATA.options.updated_dom) {
+ if(NETDATA.options.updated_dom === true) {
// the dom has been updated
// get the dom parts again
- NETDATA.getDomCharts(NETDATA.chartRefresher);
+ NETDATA.parseDom(NETDATA.chartRefresher);
return;
}
- NETDATA.options.parallel = new Array();
- NETDATA.options.sequencial = new Array();
+ var parallel = new Array();
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) {
+ if(targets[len].isVisible() === false)
+ continue;
- // FIXME targets should be states not DOM elements
- for(var i = 0; i < NETDATA.options.targets.length ; i++) {
- var target = NETDATA.options.targets.get(i);
- var state = NETDATA.chartState(target);
+ var state = targets[len];
+ if(state.library.initialized === false) {
+ if(state.library.enabled === true) {
+ state.library.initialize(NETDATA.chartRefresher);
+ return;
+ }
+ else {
+ state.error('chart library "' + state.library_name + '" is not enabled.');
+ }
+ }
- if(!state.library.initialized)
- NETDATA.options.sequencial.push(state);
- else
- NETDATA.options.parallel.push(state);
+ parallel.unshift(state);
}
- if(NETDATA.options.parallel.length > 0) {
- NETDATA.options.parallel_jobs = NETDATA.options.parallel.length;
+ if(parallel.length > 0) {
+ var parallel_jobs = parallel.length;
- $(NETDATA.options.parallel).each(function() {
+ // this will execute the jobs in parallel
+ $(parallel).each(function() {
this.autoRefresh(function() {
- NETDATA.options.parallel_jobs--;
- if(NETDATA.options.parallel_jobs === 0) {
- setTimeout(NETDATA.chartRefresher_sequencial,
- NETDATA.options.current.idle_between_charts);
+ parallel_jobs--;
+
+ if(parallel_jobs === 0) {
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
}
});
})
}
else {
- setTimeout(NETDATA.chartRefresher_sequencial,
- NETDATA.options.current.idle_between_charts);
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
}
}
- NETDATA.getDomCharts = function(callback) {
+ NETDATA.parseDom = function(callback) {
+ NETDATA.options.last_page_scroll = new Date().getTime();
NETDATA.options.updated_dom = false;
- // FIXME targets should be states not DOM elements
- NETDATA.options.targets = $('div[data-netdata]').filter(':visible');
+ var targets = $('div[data-netdata]'); //.filter(':visible');
- if(NETDATA.options.debug.main_loop)
- console.log('DOM updated - there are ' + NETDATA.options.targets.length + ' charts on page.');
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('DOM updated - there are ' + targets.length + ' charts on page.');
- // we need to re-size all the charts quickly
- // before making any external calls
- // FIXME targets should be states not DOM elements
- $.each(NETDATA.options.targets, function(i, target) {
+ NETDATA.options.targets = new Array();
+ var len = targets.length;
+ while(len--) {
// the initialization will take care of sizing
// and the "loading..." message
- var state = NETDATA.chartState(target);
- });
+ NETDATA.options.targets.push(NETDATA.chartState(targets[len]));
+ }
if(typeof callback === 'function') callback();
}
NETDATA.options.page_is_visible = true;
$(window).blur(function() {
- NETDATA.options.page_is_visible = false;
- if(NETDATA.options.debug.focus) console.log('Lost Focus!');
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = false;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Lost Focus!');
+ }
});
$(window).focus(function() {
- NETDATA.options.page_is_visible = true;
- if(NETDATA.options.debug.focus) console.log('Focus restored!');
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = true;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Focus restored!');
+ }
});
if(typeof document.hasFocus === 'function' && !document.hasFocus()) {
- NETDATA.options.page_is_visible = false;
- if(NETDATA.options.debug.focus) 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!');
+ }
}
- NETDATA.getDomCharts(NETDATA.chartRefresher);
+ // 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);
}
// ----------------------------------------------------------------------------------------------------------------
cache: true,
dataType: "script"
})
- .done(function() {
- NETDATA.registerChartLibrary('peity', NETDATA.peity_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.peity_js);
- })
- .always(function() {
- if(typeof callback === "function")
- callback();
- })
+ .done(function() {
+ NETDATA.registerChartLibrary('peity', NETDATA.peity_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.peity.enabled = false;
+ NETDATA.error(100, NETDATA.peity_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.peity.enabled = false;
if(typeof callback === "function")
callback();
}
- };
+ };
+
+ NETDATA.peityChartUpdate = function(state, data) {
+ state.peity_instance.innerHTML = data.result;
+
+ 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';
+ else
+ state.peity_options.fill = NETDATA.colorLuminance(state.chartColors()[0], NETDATA.chartDefaults.fill_luminance);
+ }
- NETDATA.peityChartUpdate = function(state, data) {
- $(state.peity_instance).html(data.result);
- // $(state.element_chart).change() does not accept options
- // to pass width and height
- //$(state.peity_instance).change();
- $(state.peity_instance).peity('line', { width: state.chartWidth(), height: state.chartHeight() });
+ $(state.peity_instance).peity('line', state.peity_options);
+ return true;
}
NETDATA.peityChartCreate = function(state, data) {
state.peity_instance = document.createElement('div');
state.element_chart.appendChild(state.peity_instance);
- $(state.peity_instance).html(data.result);
- $(state.peity_instance).peity('line', { width: state.chartWidth(), height: state.chartHeight() });
+ var self = $(state.element);
+ state.peity_options = {
+ stroke: '#000',
+ strokeWidth: self.data('peity-strokewidth') || 1,
+ width: state.chartWidth(),
+ height: state.chartHeight(),
+ fill: '#000'
+ };
+
+ NETDATA.peityChartUpdate(state, data);
+ return true;
}
// ----------------------------------------------------------------------------------------------------------------
cache: true,
dataType: "script"
})
- .done(function() {
- NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.sparkline_js);
- })
- .always(function() {
- if(typeof callback === "function")
- callback();
- })
+ .done(function() {
+ NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.sparkline.enabled = false;
+ NETDATA.error(100, NETDATA.sparkline_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.sparkline.enabled = false;
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') || NETDATA.colors[0];
+ 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 chartRangeMin = self.data('sparkline-chartrangemin') || undefined;
var chartRangeMax = self.data('sparkline-chartrangemax') || undefined;
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;
};
// ----------------------------------------------------------------------------------------------------------------
NETDATA.dygraphSetSelection = function(state, t) {
if(typeof state.dygraph_instance !== 'undefined') {
var r = state.calculateRowForTime(t);
- if(r !== -1) {
+ if(r !== -1)
state.dygraph_instance.setSelection(r);
- return true;
- }
else {
state.dygraph_instance.clearSelection();
- return false;
+ state.legendShowUndefined();
}
}
+
+ return true;
}
NETDATA.dygraphClearSelection = function(state, t) {
cache: true,
dataType: "script"
})
- .done(function() {
- NETDATA.dygraph.smooth = true;
- smoothPlotter.smoothing = 0.3;
- })
- .always(function() {
- if(typeof callback === "function")
- callback();
- })
- };
+ .done(function() {
+ NETDATA.dygraph.smooth = true;
+ smoothPlotter.smoothing = 0.3;
+ })
+ .fail(function() {
+ NETDATA.dygraph.smooth = false;
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
+ }
NETDATA.dygraphInitialize = function(callback) {
if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
cache: true,
dataType: "script"
})
- .done(function() {
- NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js);
+ .done(function() {
+ NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.dygraph.enabled = false;
+ NETDATA.error(100, NETDATA.dygraph_js);
+ })
+ .always(function() {
+ if(NETDATA.chartLibraries.dygraph.enabled === true && NETDATA.options.current.smooth_plot === true)
NETDATA.dygraphSmoothInitialize(callback);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.dygraph_js);
- if(typeof callback === "function")
- callback();
- })
+ else if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.dygraph.enabled = false;
NETDATA.dygraphChartUpdate = function(state, data) {
var dygraph = state.dygraph_instance;
- if(state.current.name === 'pan') {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('dygraphChartUpdate() loose update');
- dygraph.updateOptions({
+ if(typeof dygraph === 'undefined')
+ NETDATA.dygraphChartCreate(state, data);
+
+ // when the chart is not visible, and hidden
+ // if there is a window resize, dygraph detects
+ // its element size as 0x0.
+ // this will make it re-appear properly
+
+ if(state.tm.last_unhidden > state.dygraph_last_rendered)
+ dygraph.resize();
+
+ 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.current.name === 'pan') {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() loose update');
}
else {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('dygraphChartUpdate() strict update');
- dygraph.updateOptions({
- file: data.result.data,
- labels: data.result.labels,
- labelsDivWidth: state.chartWidth() - 70,
- dateWindow: null,
- valueRange: null
- });
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() strict update');
+
+ options.dateWindow = null;
+ options.valueRange = null;
+ }
+
+ 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.options.debug.dygraph || state.debug) state.log('dygraphChartCreate()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartCreate()');
var self = $(state.element);
+ var chart_type = state.chart.chart_type;
+ if(chart_type === 'stacked' && data.dimensions === 1) chart_type = 'area';
+ chart_type = self.data('dygraph-type') || chart_type;
+
+ var smooth = (chart_type === 'line' && !NETDATA.chartLibraries.dygraph.isSparkline(state))?true:false;
+ smooth = self.data('dygraph-smooth') || smooth;
+
+ if(NETDATA.dygraph.smooth === false)
+ smooth = false;
+
+ var strokeWidth = (chart_type === 'stacked')?0.1:((smooth)?1.5:0.7)
+ var highlightCircleSize = (NETDATA.chartLibraries.dygraph.isSparkline(state))?3:4;
+
state.dygraph_options = {
- colors: self.data('dygraph-colors') || NETDATA.colors,
-
+ 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') || NETDATA.chartLibraries.dygraph.legend(state)?'always':'never', // 'onmouseover',
+ 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
plotter: null,
// The width of the lines connecting data points. This can be used to increase the contrast or some graphs.
- strokeWidth: self.data('dygraph-strokewidth') || (state.chart.chart_type === 'stacked')?0.0:1.0,
+ strokeWidth: self.data('dygraph-strokewidth') || strokeWidth,
strokePattern: self.data('dygraph-strokepattern') || undefined,
// The size of the dot to draw on each point in pixels (see drawPoints). A dot is always drawn when a point is "isolated",
// i.e. there is a missing point on either side of it. This also controls the size of those dots.
drawPoints: self.data('dygraph-drawpoints') || false,
-
+
// Draw points at the edges of gaps in the data. This improves visibility of small data segments or other data irregularities.
drawGapEdgePoints: self.data('dygraph-drawgapedgepoints') || true,
// 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',
- strokeBorderWidth: self.data('dygraph-strokeborderwidth') || (state.chart.chart_type === 'stacked')?0.0:0.0,
+ strokeBorderWidth: self.data('dygraph-strokeborderwidth') || (chart_type === 'stacked')?0.0:0.0,
- fillGraph: self.data('dygraph-fillgraph') || (state.chart.chart_type === 'area')?true:false,
- fillAlpha: self.data('dygraph-fillalpha') || (state.chart.chart_type === 'stacked')?0.8:0.2,
- stackedGraph: self.data('dygraph-stackedgraph') || (state.chart.chart_type === 'stacked')?true:false,
+ 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') || '#DDD',
+ axisLineColor: self.data('dygraph-axislinecolor') || '#CCC',
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') || '#EEE',
+ gridLineColor: self.data('dygraph-gridlinecolor') || '#DDD',
maxNumberWidth: self.data('dygraph-maxnumberwidth') || 8,
sigFigs: self.data('dygraph-sigfigs') || null,
digitsAfterDecimal: self.data('dygraph-digitsafterdecimal') || 2,
valueFormatter: self.data('dygraph-valueformatter') || function(x){ return x.toFixed(2); },
- highlightCircleSize: self.data('dygraph-highlightcirclesize') || 4,
+ highlightCircleSize: self.data('dygraph-highlightcirclesize') || highlightCircleSize,
highlightSeriesOpts: self.data('dygraph-highlightseriesopts') || null, // TOO SLOW: { strokeWidth: 1.5 },
- highlightSeriesBackgroundAlpha: self.data('dygraph-highlightseriesbackgroundalpha') || null, // TOO SLOW: (state.chart.chart_type === 'stacked')?0.7:0.5,
+ highlightSeriesBackgroundAlpha: self.data('dygraph-highlightseriesbackgroundalpha') || null, // TOO SLOW: (chart_type === 'stacked')?0.7:0.5,
pointClickCallback: self.data('dygraph-pointclickcallback') || undefined,
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names),
axes: {
x: {
pixelsPerLabel: 50,
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);
+ // 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
- // state is not managing the legend
+ // 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);
- for (var i = 0; i < data.series.length; i++) {
+ var i = data.series.length;
+ while(i--) {
var series = data.series[i];
if(!series.isVisible) continue;
- state.legendSetLabelValue(series.label, series.yHTML);
- // elements.series[series.label].value.innerHTML = series.yHTML;
+ state.legendSetLabelValue(series.label, series.y);
}
}
},
drawCallback: function(dygraph, is_initial) {
if(state.current.name !== 'auto') {
- if(NETDATA.options.debug.dygraph) state.log('dygraphDrawCallback()');
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphDrawCallback()');
+
+ var first = state.data.first_entry * 1000;
+ var last = state.data.last_entry * 1000;
var x_range = dygraph.xAxisRange();
var after = Math.round(x_range[0]);
var before = Math.round(x_range[1]);
- state.updateChartPanOrZoom(after, before);
+ if(before <= last && after >= first)
+ state.updateChartPanOrZoom(after, before);
}
},
zoomCallback: function(minDate, maxDate, yRanges) {
- if(NETDATA.options.debug.dygraph) state.log('dygraphZoomCallback()');
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphZoomCallback()');
+
state.globalSelectionSyncStop();
state.globalSelectionSyncDelay();
- state.updateChartPanOrZoom(minDate, maxDate);
+
+ if(state.updateChartPanOrZoom(minDate, maxDate) === false) {
+ // we should not zoom that much
+ state.dygraph_instance.updateOptions({
+ dateWindow: null,
+ valueRange: null
+ });
+ }
},
highlightCallback: function(event, x, points, row, seriesName) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('dygraphHighlightCallback()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphHighlightCallback()');
+
state.pauseChart();
// there is a bug in dygraph when the chart is zoomed enough
// the time it thinks is selected is wrong
// here we calculate the time t based on the row number selected
// which is ok
- var t = state.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':'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.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000;
},
unhighlightCallback: function(event) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('dygraphUnhighlightCallback()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphUnhighlightCallback()');
+
state.unpauseChart();
state.globalSelectionSyncStop();
},
interactionModel : {
mousedown: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.mousedown()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousedown()');
+
state.globalSelectionSyncStop();
- if(NETDATA.options.debug.dygraph) state.log('dygraphMouseDown()');
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphMouseDown()');
// Right-click should not initiate a zoom.
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');
}
},
mousemove: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.mousemove()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousemove()');
if(context.isPanning) {
state.globalSelectionSyncStop();
}
},
mouseup: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.mouseup()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mouseup()');
if (context.isPanning) {
state.globalSelectionSyncDelay();
}
},
click: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.click()');
- /*Dygraph.cancelEvent(event);*/
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.click()');
+
+ event.preventDefault();
},
dblclick: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.dblclick()');
- state.globalSelectionSyncStop();
- NETDATA.globalPanAndZoom.clearMaster();
- state.resetChart();
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.dblclick()');
+ NETDATA.resetAllCharts(state);
},
mousewheel: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.mousewheel()');
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousewheel()');
+
+ // Take the offset of a mouse event on the dygraph canvas and
+ // convert it to a pair of percentages from the bottom left.
+ // (Not top left, bottom is where the lower value is.)
+ function offsetToPercentage(g, offsetX, offsetY) {
+ // This is calculating the pixel offset of the leftmost date.
+ var xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0];
+ var yar0 = g.yAxisRange(0);
+
+ // This is calculating the pixel of the higest value. (Top pixel)
+ var yOffset = g.toDomCoords(null, yar0[1])[1];
+
+ // x y w and h are relative to the corner of the drawing area,
+ // so that the upper corner of the drawing area is (0, 0).
+ var x = offsetX - xOffset;
+ var y = offsetY - yOffset;
+
+ // This is computing the rightmost pixel, effectively defining the
+ // width.
+ var w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset;
+
+ // This is computing the lowest pixel, effectively defining the height.
+ var h = g.toDomCoords(null, yar0[0])[1] - yOffset;
+
+ // Percentage from the left.
+ var xPct = w === 0 ? 0 : (x / w);
+ // Percentage from the top.
+ var yPct = h === 0 ? 0 : (y / h);
+
+ // The (1-) part below changes it from "% distance down from the top"
+ // to "% distance up from the bottom".
+ return [xPct, (1-yPct)];
+ }
+
+ // Adjusts [x, y] toward each other by zoomInPercentage%
+ // Split it so the left/bottom axis gets xBias/yBias of that change and
+ // tight/top gets (1-xBias)/(1-yBias) of that change.
+ //
+ // If a bias is missing it splits it down the middle.
+ function zoomRange(g, zoomInPercentage, xBias, yBias) {
+ xBias = xBias || 0.5;
+ yBias = yBias || 0.5;
+
+ function adjustAxis(axis, zoomInPercentage, bias) {
+ var delta = axis[1] - axis[0];
+ var increment = delta * zoomInPercentage;
+ var foo = [increment * bias, increment * (1-bias)];
+
+ return [ axis[0] + foo[0], axis[1] - foo[1] ];
+ }
+
+ var yAxes = g.yAxisRanges();
+ var newYAxes = [];
+ for (var i = 0; i < yAxes.length; i++) {
+ newYAxes[i] = adjustAxis(yAxes[i], zoomInPercentage, yBias);
+ }
+
+ return adjustAxis(g.xAxisRange(), zoomInPercentage, xBias);
+ }
if(event.altKey || event.shiftKey) {
state.globalSelectionSyncStop();
// http://dygraphs.com/gallery/interaction-api.js
var normal = (event.detail) ? event.detail * -1 : event.wheelDelta / 40;
- var percentage = normal / 25;
+ var percentage = normal / 50;
+
+ if (!(event.offsetX && event.offsetY)){
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+
+ var percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY);
+ var xPct = percentages[0];
+ var yPct = percentages[1];
- var before_old = state.current.before_ms;
- var after_old = state.current.after_ms;
- var range_old = before_old - after_old;
+ var new_x_range = zoomRange(dygraph, percentage, xPct, yPct);
- var range = range_old * ( 1 - percentage );
- var dt = Math.round((range_old - range) / 2);
+ var after = new_x_range[0];
+ var before = new_x_range[1];
- var before = before_old - dt;
- var after = after_old + dt;
+ var first = (state.data.first_entry + state.data.view_update_every) * 1000;
+ var last = (state.data.last_entry + state.data.view_update_every) * 1000;
- if(NETDATA.options.debug.dygraph) state.log('percent: ' + percentage + ' from ' + after_old + ' - ' + before_old + ' to ' + after + ' - ' + before + ', range from ' + (before_old - after_old).toString() + ' to ' + (before - after).toString());
+ if(before > last) {
+ after -= (before - last);
+ before = last;
+ }
+ if(after < first) {
+ after = first;
+ }
state.setMode('zoom');
- state.updateChartPanOrZoom(after, before);
- }
+ if(state.updateChartPanOrZoom(after, before) === true)
+ dygraph.updateOptions({ dateWindow: [ after, before ] });
+
+ event.preventDefault();
+ }
},
touchstart: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.touchstart()');
- state.globalSelectionSyncStop();
- state.globalSelectionSyncDelay();
- Dygraph.Interaction.startTouch(event, dygraph, context);
- context.touchDirections = { x: true, y: false };
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchstart()');
+
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 || state.debug) state.log('interactionModel.touchmove()');
- //Dygraph.cancelEvent(event);
- state.globalSelectionSyncStop();
- Dygraph.Interaction.moveTouch(event, dygraph, context);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchmove()');
+
+ Dygraph.defaultInteractionModel.touchmove(event, dygraph, context);
+
+ state.dygraph_last_touch_move = new Date().getTime();
},
touchend: function(event, dygraph, context) {
- if(NETDATA.options.debug.dygraph || state.debug) state.log('interactionModel.touchend()');
- Dygraph.Interaction.endTouch(event, dygraph, context);
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchend()');
+
+ 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.drawAxis = false;
state.dygraph_options.title = undefined;
state.dygraph_options.units = undefined;
- state.dygraph_options.legend = 'never'; // 'follow'
state.dygraph_options.ylabel = undefined;
state.dygraph_options.yLabelWidth = 0;
state.dygraph_options.labelsDivWidth = 120;
state.dygraph_options.labelsDivStyles.width = '120px';
state.dygraph_options.labelsSeparateLines = true;
- state.dygraph_options.highlightCircleSize = 3;
state.dygraph_options.rightGap = 0;
- state.dygraph_options.strokeWidth = 1.0;
- }
- else if(NETDATA.dygraph.smooth && state.chart.chart_type === 'line') {
- // smooth lines patch
- state.dygraph_options.plotter = smoothPlotter;
- state.dygraph_options.strokeWidth = 1.5;
}
+ 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_last_rendered = new Date().getTime();
+ return true;
};
// ----------------------------------------------------------------------------------------------------------------
cache: true,
dataType: "script"
})
- .done(function() {
- NETDATA.registerChartLibrary('morris', NETDATA.morris_js);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.morris_js);
- })
- .always(function() {
- if(typeof callback === "function")
- callback();
- })
+ .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.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,
+ element: state.element_chart.id,
data: data.result.data,
xkey: 'time',
ykeys: data.dimension_names,
behaveLikeLine: false
};
- if(state.chart.chart_type === 'line')
- state.morris_instance = new Morris.Line(state.morris_options);
+ if(state.chart.chart_type === 'line')
+ state.morris_instance = new Morris.Line(state.morris_options);
+
+ else if(state.chart.chart_type === 'area') {
+ state.morris_options.behaveLikeLine = true;
+ state.morris_instance = new Morris.Area(state.morris_options);
+ }
+ else // stacked
+ state.morris_instance = new Morris.Area(state.morris_options);
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // raphael
+
+ NETDATA.raphaelInitialize = function(callback) {
+ if(typeof netdataStopRaphael === 'undefined' || !netdataStopRaphael) {
+ $.ajax({
+ url: NETDATA.raphael_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.raphael.enabled = false;
+ NETDATA.error(100, NETDATA.raphael_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.raphael.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.raphaelChartUpdate = function(state, data) {
+ $(state.element_chart).raphael(data.result, {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ });
+
+ return false;
+ };
+
+ NETDATA.raphaelChartCreate = function(state, data) {
+ $(state.element_chart).raphael(data.result, {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ });
+
+ return false;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // C3
+
+ NETDATA.c3Initialize = function(callback) {
+ if(typeof netdataNoC3 === 'undefined' || !netdataNoC3) {
+
+ // C3 requires D3
+ if(!NETDATA.chartLibraries.d3.initialized) {
+ if(NETDATA.chartLibraries.d3.enabled) {
+ NETDATA.d3Initialize(function() {
+ NETDATA.c3Initialize(callback);
+ });
+ }
+ else {
+ NETDATA.chartLibraries.c3.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ }
+ else {
+ NETDATA._loadCSS(NETDATA.c3_css);
+
+ $.ajax({
+ url: NETDATA.c3_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('c3', NETDATA.c3_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.c3.enabled = false;
+ NETDATA.error(100, NETDATA.c3_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
+ }
+ }
+ else {
+ NETDATA.chartLibraries.c3.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.c3ChartUpdate = function(state, data) {
+ state.c3_instance.destroy();
+ return NETDATA.c3ChartCreate(state, data);
+
+ //state.c3_instance.load({
+ // rows: data.result,
+ // unload: true
+ //});
+
+ //return true;
+ };
+
+ NETDATA.c3ChartCreate = function(state, data) {
+
+ state.element_chart.id = 'c3-' + state.uuid;
+ // console.log('id = ' + state.element_chart.id);
+
+ state.c3_instance = c3.generate({
+ bindto: '#' + state.element_chart.id,
+ size: {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ },
+ color: {
+ pattern: state.chartColors()
+ },
+ data: {
+ x: 'time',
+ rows: data.result,
+ type: (state.chart.chart_type === 'line')?'spline':'area-spline'
+ },
+ axis: {
+ x: {
+ type: 'timeseries',
+ tick: {
+ format: function(x) {
+ return NETDATA.zeropad(x.getHours()) + ":" + NETDATA.zeropad(x.getMinutes()) + ":" + NETDATA.zeropad(x.getSeconds());
+ }
+ }
+ }
+ },
+ grid: {
+ x: {
+ show: true
+ },
+ y: {
+ show: true
+ }
+ },
+ point: {
+ show: false
+ },
+ line: {
+ connectNull: false
+ },
+ transition: {
+ duration: 0
+ },
+ interaction: {
+ enabled: true
+ }
+ });
+
+ // console.log(state.c3_instance);
- 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
+ // D3
- NETDATA.raphaelInitialize = function(callback) {
- if(typeof netdataStopRaphael === 'undefined') {
+ 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);
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.raphael_js);
- })
- .always(function() {
- if(typeof callback === "function")
- callback();
- })
+ .done(function() {
+ NETDATA.registerChartLibrary('d3', NETDATA.d3_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.d3.enabled = false;
+ NETDATA.error(100, NETDATA.d3_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
- NETDATA.chartLibraries.raphael.enabled = false;
+ 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;
};
// ----------------------------------------------------------------------------------------------------------------
cache: true,
dataType: "script"
})
- .done(function() {
- NETDATA.registerChartLibrary('google', NETDATA.google_js);
-
- google.load('visualization', '1.1', {
- 'packages': ['corechart', 'controls'],
- 'callback': callback
- });
- })
- .fail(function() {
- NETDATA.error(100, NETDATA.google_js);
- if(typeof callback === "function")
- callback();
- })
+ .done(function() {
+ NETDATA.registerChartLibrary('google', NETDATA.google_js);
+ google.load('visualization', '1.1', {
+ 'packages': ['corechart', 'controls'],
+ 'callback': callback
+ });
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.google.enabled = false;
+ NETDATA.error(100, NETDATA.google_js);
+ if(typeof callback === "function")
+ callback();
+ });
}
else {
NETDATA.chartLibraries.google.enabled = false;
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;
+ }
+
// ----------------------------------------------------------------------------------------------------------------
// easy-pie-chart
NETDATA.easypiechartInitialize = function(callback) {
- if(typeof netdataStopEasypiechart === 'undefined') {
+ if(typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) {
$.ajax({
url: NETDATA.easypiechart_js,
cache: true,
}
};
+ 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(t < state.data_after || t > state.data_before)
+ return NETDATA.easypiechartClearSelection(state);
+
+ var slot = Math.floor(state.data.result.length - 1 - (t - state.data_after) / state.data_update_every);
+ 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[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);
+ }, 100);
+ }
+
+ return true;
+ };
+
NETDATA.easypiechartChartUpdate = function(state, data) {
+ var value, max, pcent;
- state.easypiechart_instance.update();
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+ value = null;
+ max = 0;
+ pcent = 0;
+ }
+ else {
+ value = data.result[0];
+ max = (state.easyPieChartMax === null)?data.max:state.easyPieChartMax;
+ pcent = NETDATA.percentFromValueMax(value, max);
+ }
+
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+ state.easyPieChart_instance.update(pcent);
+ return true;
};
NETDATA.easypiechartChartCreate = function(state, data) {
var self = $(state.element);
+ var chart = $(state.element_chart);
+
+ var value = data.result[0];
+ var max = self.data('easypiechart-max-value') || null;
+ var adjust = self.data('easypiechart-adjust') || null;
+
+ if(max === null) {
+ max = data.max;
+ state.easyPieChartMax = null;
+ }
+ else
+ state.easyPieChartMax = max;
- var value = 10;
- var pcent = 10;
+ var pcent = NETDATA.percentFromValueMax(value, max);
- $(state.element_chart).data('data-percent', pcent);
- data.element_chart.innerHTML = value.toString();
+ 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',
+ 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') || '#f0f0f0',
scaleColor: self.data('easypiechart-scalecolor') || '#dfe0e0',
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.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(max >= state.___gaugeOld__.max && min <= state.___gaugeOld__.min) {
+ state.gauge_instance.minValue = min;
+ state.gauge_instance.maxValue = max;
+ state.gauge_instance.set(value);
+ }
+ else {
+ // we can lower the maxValue or increase the minValue
+ // of gauge.js, only if we disable animation
+ // otherwise, the gauge will go crazy
+ var old_speed = state.___gaugeOld__.speed;
+ NETDATA.gaugeAnimation(state, false);
+ state.gauge_instance.minValue = min;
+ state.gauge_instance.maxValue = max;
+ state.gauge_instance.set(value);
+ NETDATA.gaugeAnimation(state, old_speed);
+ }
+
+ 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(t < state.data_after || t > state.data_before)
+ return NETDATA.gaugeClearSelection(state);
+
+ var slot = Math.floor(state.data.result.length - 1 - (t - state.data_after) / state.data_update_every);
+ 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[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);
+ }, 100);
+ }
+
+ 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;
+
+ 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: '#C0C0C0' // Fill color
+ },
+ colorStart: state.chartColors()[0], // Colors
+ colorStop: void 0, // just experiment with them
+ strokeColor: '#F0F0F0', // to see which ones work best for you
+ limitMax: true,
+ generateGradient: false,
+ gradientType: 0,
+ percentColors: [
+ [0.0, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 0))],
+ [0.1, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 1))],
+ [0.2, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 2))],
+ [0.3, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 3))],
+ [0.4, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 4))],
+ [0.5, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 5))],
+ [0.6, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 6))],
+ [0.7, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 7))],
+ [0.8, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 8))],
+ [0.9, NETDATA.colorLuminance(state.chartColors()[0], (lum_d * 10) - (lum_d * 9))],
+ [1.0, state.chartColors()[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
+ };
+
+ 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,
initialized: false,
format: function(state) { return 'json'; },
options: function(state) { return 'ms|flip'; },
legend: function(state) {
- if(!this.isSparkline(state))
+ if(this.isSparkline(state) === false)
return 'right-side';
else
return null;
},
autoresize: function(state) { return true; },
max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return true; },
pixels_per_point: function(state) {
- if(!this.isSparkline(state))
+ if(this.isSparkline(state) === false)
return 3;
else
return 2;
initialize: NETDATA.sparklineInitialize,
create: NETDATA.sparklineChartCreate,
update: NETDATA.sparklineChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
initialized: false,
enabled: true,
format: function(state) { return 'array'; },
legend: function(state) { return null; },
autoresize: function(state) { return false; },
max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
pixels_per_point: function(state) { return 3; }
},
"peity": {
initialize: NETDATA.peityInitialize,
create: NETDATA.peityChartCreate,
update: NETDATA.peityChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
initialized: false,
enabled: true,
format: function(state) { return 'ssvcomma'; },
legend: function(state) { return null; },
autoresize: function(state) { return false; },
max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
pixels_per_point: function(state) { return 3; }
},
"morris": {
initialize: NETDATA.morrisInitialize,
create: NETDATA.morrisChartCreate,
update: NETDATA.morrisChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
initialized: false,
enabled: true,
format: function(state) { return 'json'; },
legend: function(state) { return null; },
autoresize: function(state) { return false; },
max_updates_to_recreate: function(state) { return 50; },
+ track_colors: function(state) { return false; },
pixels_per_point: function(state) { return 15; }
},
"google": {
initialize: NETDATA.googleInitialize,
create: NETDATA.googleChartCreate,
update: NETDATA.googleChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, //function(state, t) { return true; },
+ clearSelection: undefined, //function(state) { return true; },
initialized: false,
enabled: true,
format: function(state) { return 'datatable'; },
legend: function(state) { return null; },
autoresize: function(state) { return false; },
max_updates_to_recreate: function(state) { return 300; },
+ track_colors: function(state) { return false; },
pixels_per_point: function(state) { return 4; }
},
"raphael": {
initialize: NETDATA.raphaelInitialize,
create: NETDATA.raphaelChartCreate,
update: NETDATA.raphaelChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'json'; },
+ options: function(state) { return ''; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
+ },
+ "c3": {
+ initialize: NETDATA.c3Initialize,
+ create: NETDATA.c3ChartCreate,
+ update: NETDATA.c3ChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ 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; },
initialized: false,
enabled: true,
format: function(state) { return 'json'; },
legend: function(state) { return null; },
autoresize: function(state) { return false; },
max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
pixels_per_point: function(state) { return 3; }
},
"easypiechart": {
initialize: NETDATA.easypiechartInitialize,
create: NETDATA.easypiechartChartCreate,
update: NETDATA.easypiechartChartUpdate,
- setSelection: null,
- clearSelection: null,
+ resize: null,
+ setSelection: NETDATA.easypiechartSetSelection,
+ clearSelection: NETDATA.easypiechartClearSelection,
initialized: false,
enabled: true,
- format: function(state) { return 'json'; },
- options: function(state) { return ''; },
+ 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; },
- pixels_per_point: function(state) { return 3; }
+ track_colors: function(state) { return false; },
+ 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,
+ 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 false; },
+ pixels_per_point: function(state) { return 3; },
+ aspect_ratio: 70
}
};
NETDATA.registerChartLibrary = function(library, url) {
- if(NETDATA.options.debug.libraries)
+ if(NETDATA.options.debug.libraries === true)
console.log("registering chart library: " + library);
NETDATA.chartLibraries[library].url = url;
// Start up
NETDATA.requiredJs = [
- NETDATA.serverDefault + 'lib/jquery.nanoscroller.min.js',
- NETDATA.serverDefault + 'lib/bootstrap.min.js'
+ {
+ url: NETDATA.serverDefault + 'lib/bootstrap.min.js',
+ isAlreadyLoaded: function() {
+ if(typeof $().emulateTransitionEnd == 'function')
+ return true;
+ else {
+ if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+ return true;
+ else
+ return false;
+ }
+ }
+ },
+ {
+ url: NETDATA.serverDefault + 'lib/jquery.nanoscroller.min.js',
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.serverDefault + 'lib/bootstrap-toggle.min.js',
+ isAlreadyLoaded: function() { return false; }
+ }
+ ];
+
+ NETDATA.requiredCSS = [
+ {
+ url: NETDATA.serverDefault + 'css/bootstrap.min.css',
+ isAlreadyLoaded: function() {
+ if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+ return true;
+ else
+ return false;
+ }
+ },
+ {
+ url: NETDATA.serverDefault + 'css/font-awesome.min.css',
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.dashboard_css,
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.serverDefault + 'css/bootstrap-toggle.min.css',
+ isAlreadyLoaded: function() { return false; }
+ }
];
NETDATA.loadRequiredJs = function(index, callback) {
return;
}
- if(NETDATA.options.debug.main_loop) console.log('loading ' + NETDATA.requiredJs[index]);
+ if(NETDATA.requiredJs[index].isAlreadyLoaded()) {
+ NETDATA.loadRequiredJs(++index, callback);
+ return;
+ }
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.requiredJs[index].url);
+
$.ajax({
- url: NETDATA.requiredJs[index],
+ url: NETDATA.requiredJs[index].url,
cache: true,
dataType: "script"
})
.success(function() {
- if(NETDATA.options.debug.main_loop) console.log('loaded ' + NETDATA.requiredJs[index]);
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loaded ' + NETDATA.requiredJs[index].url);
+
NETDATA.loadRequiredJs(++index, callback);
})
.fail(function() {
- alert('Cannot load required JS library: ' + NETDATA.requiredJs[index]);
+ alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url);
})
}
- NETDATA.requiredCSS = [
- NETDATA.serverDefault + 'css/bootstrap.min.css',
- NETDATA.serverDefault + 'css/bootstrap-theme.min.css',
- NETDATA.dashboard_css
- ];
-
NETDATA.loadRequiredCSS = function(index) {
- if(index >= NETDATA.requiredCSS.length) {
- if(typeof callback === 'function')
- callback();
+ if(index >= NETDATA.requiredCSS.length)
+ return;
+
+ if(NETDATA.requiredCSS[index].isAlreadyLoaded()) {
+ NETDATA.loadRequiredCSS(++index);
return;
}
- if(NETDATA.options.debug.main_loop) console.log('loading ' + NETDATA.requiredCSS[index]);
- NETDATA._loadCSS(NETDATA.requiredCSS[index]);
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.requiredCSS[index].url);
+
+ NETDATA._loadCSS(NETDATA.requiredCSS[index].url);
NETDATA.loadRequiredCSS(++index);
}
NETDATA.errorReset();
+ NETDATA.loadRequiredCSS(0);
+
NETDATA._loadjQuery(function() {
NETDATA.loadRequiredJs(0, function() {
- //NETDATA.chartRegistry.downloadAll(NETDATA.serverDefault, function() {
- NETDATA.loadRequiredCSS(0);
- // NETDATA._loadCSS(NETDATA.dashboard_css);
- if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
- if(NETDATA.options.debug.main_loop) console.log('starting chart refresh thread');
- NETDATA.start();
- }
+ if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('starting chart refresh thread');
- if(typeof NETDATA.options.readyCallback === 'function')
- NETDATA.options.readyCallback();
- //});
+ NETDATA.start();
+ }
});
});