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-rw-r--r--web/gui/src/dashboard.js/charting/dygraph.js977
1 files changed, 977 insertions, 0 deletions
diff --git a/web/gui/src/dashboard.js/charting/dygraph.js b/web/gui/src/dashboard.js/charting/dygraph.js
new file mode 100644
index 0000000..a60af18
--- /dev/null
+++ b/web/gui/src/dashboard.js/charting/dygraph.js
@@ -0,0 +1,977 @@
+// dygraph
+
+// Codacy declarations
+/* global smoothPlotter */
+/* global Dygraph */
+
+NETDATA.dygraph = {
+ smooth: false
+};
+
+NETDATA.dygraphToolboxPanAndZoom = function (state, after, before) {
+ if (after < state.netdata_first) {
+ after = state.netdata_first;
+ }
+
+ if (before > state.netdata_last) {
+ before = state.netdata_last;
+ }
+
+ state.setMode('zoom');
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_user_action = true;
+ state.tmp.dygraph_force_zoom = true;
+ // state.log('toolboxPanAndZoom');
+ state.updateChartPanOrZoom(after, before);
+ NETDATA.globalPanAndZoom.setMaster(state, after, before);
+};
+
+NETDATA.dygraphSetSelection = function (state, t) {
+ if (typeof state.tmp.dygraph_instance !== 'undefined') {
+ let r = state.calculateRowForTime(t);
+ if (r !== -1) {
+ state.tmp.dygraph_instance.setSelection(r);
+ return true;
+ } else {
+ state.tmp.dygraph_instance.clearSelection();
+ state.legendShowUndefined();
+ }
+ }
+
+ return false;
+};
+
+NETDATA.dygraphClearSelection = function (state) {
+ if (typeof state.tmp.dygraph_instance !== 'undefined') {
+ state.tmp.dygraph_instance.clearSelection();
+ }
+ return true;
+};
+
+NETDATA.dygraphSmoothInitialize = function (callback) {
+ $.ajax({
+ url: NETDATA.dygraph_smooth_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: {withCredentials: true} // required for the cookie
+ })
+ .done(function () {
+ NETDATA.dygraph.smooth = true;
+ smoothPlotter.smoothing = 0.3;
+ })
+ .fail(function () {
+ NETDATA.dygraph.smooth = false;
+ })
+ .always(function () {
+ if (typeof callback === "function") {
+ return callback();
+ }
+ });
+};
+
+NETDATA.dygraphInitialize = function (callback) {
+ if (typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
+ $.ajax({
+ url: NETDATA.dygraph_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: {withCredentials: true} // required for the cookie
+ })
+ .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 && NETDATA.options.current.smooth_plot) {
+ NETDATA.dygraphSmoothInitialize(callback);
+ } else if (typeof callback === "function") {
+ return callback();
+ }
+ });
+ } else {
+ NETDATA.chartLibraries.dygraph.enabled = false;
+ if (typeof callback === "function") {
+ return callback();
+ }
+ }
+};
+
+NETDATA.dygraphChartUpdate = function (state, data) {
+ let dygraph = state.tmp.dygraph_instance;
+
+ if (typeof dygraph === 'undefined') {
+ return NETDATA.dygraphChartCreate(state, data);
+ }
+
+ // when the chart is not visible, and hidden
+ // if there is a window resize, dygraph detects
+ // its element size as 0x0.
+ // this will make it re-appear properly
+
+ if (state.tm.last_unhidden > state.tmp.dygraph_last_rendered) {
+ dygraph.resize();
+ }
+
+ let options = {
+ file: data.result.data,
+ colors: state.chartColors(),
+ labels: data.result.labels,
+ //labelsDivWidth: state.chartWidth() - 70,
+ includeZero: state.tmp.dygraph_include_zero,
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names)
+ };
+
+ if (state.tmp.dygraph_chart_type === 'stacked') {
+ if (options.includeZero && state.dimensions_visibility.countSelected() < options.visibility.length) {
+ options.includeZero = 0;
+ }
+ }
+
+ if (!NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+ options.ylabel = state.units_current; // (state.units_desired === 'auto')?"":state.units_current;
+ }
+
+ if (state.tmp.dygraph_force_zoom) {
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('dygraphChartUpdate() forced zoom update');
+ }
+
+ options.dateWindow = (state.requested_padding !== null) ? [state.view_after, state.view_before] : null;
+ //options.isZoomedIgnoreProgrammaticZoom = true;
+ state.tmp.dygraph_force_zoom = false;
+ } else if (state.current.name !== 'auto') {
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('dygraphChartUpdate() loose update');
+ }
+ } else {
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('dygraphChartUpdate() strict update');
+ }
+
+ options.dateWindow = (state.requested_padding !== null) ? [state.view_after, state.view_before] : null;
+ //options.isZoomedIgnoreProgrammaticZoom = true;
+ }
+
+ options.valueRange = state.tmp.dygraph_options.valueRange;
+
+ let oldMax = null, oldMin = null;
+ if (state.tmp.__commonMin !== null) {
+ state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0];
+ oldMin = options.valueRange[0] = NETDATA.commonMin.get(state);
+ }
+ if (state.tmp.__commonMax !== null) {
+ state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1];
+ oldMax = options.valueRange[1] = NETDATA.commonMax.get(state);
+ }
+
+ if (state.tmp.dygraph_smooth_eligible) {
+ if ((NETDATA.options.current.smooth_plot && state.tmp.dygraph_options.plotter !== smoothPlotter)
+ || (NETDATA.options.current.smooth_plot === false && state.tmp.dygraph_options.plotter === smoothPlotter)) {
+ NETDATA.dygraphChartCreate(state, data);
+ return;
+ }
+ }
+
+ if (netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(state) === false) {
+ // pan and zoom on snapshots
+ options.dateWindow = [NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms];
+ //options.isZoomedIgnoreProgrammaticZoom = true;
+ }
+
+ if (NETDATA.chartLibraries.dygraph.isLogScale(state)) {
+ if (Array.isArray(options.valueRange) && options.valueRange[0] <= 0) {
+ options.valueRange[0] = null;
+ }
+ }
+
+ dygraph.updateOptions(options);
+
+ let redraw = false;
+ if (oldMin !== null && oldMin > state.tmp.dygraph_instance.axes_[0].extremeRange[0]) {
+ state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0];
+ options.valueRange[0] = NETDATA.commonMin.get(state);
+ redraw = true;
+ }
+ if (oldMax !== null && oldMax < state.tmp.dygraph_instance.axes_[0].extremeRange[1]) {
+ state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1];
+ options.valueRange[1] = NETDATA.commonMax.get(state);
+ redraw = true;
+ }
+
+ if (redraw) {
+ // state.log('forcing redraw to adapt to common- min/max');
+ dygraph.updateOptions(options);
+ }
+
+ state.tmp.dygraph_last_rendered = Date.now();
+ return true;
+};
+
+NETDATA.dygraphChartCreate = function (state, data) {
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('dygraphChartCreate()');
+ }
+
+ state.tmp.dygraph_chart_type = NETDATA.dataAttribute(state.element, 'dygraph-type', state.chart.chart_type);
+ if (state.tmp.dygraph_chart_type === 'stacked' && data.dimensions === 1) {
+ state.tmp.dygraph_chart_type = 'area';
+ }
+ if (state.tmp.dygraph_chart_type === 'stacked' && NETDATA.chartLibraries.dygraph.isLogScale(state)) {
+ state.tmp.dygraph_chart_type = 'area';
+ }
+
+ let highlightCircleSize = NETDATA.chartLibraries.dygraph.isSparkline(state) ? 3 : 4;
+
+ let smooth = NETDATA.dygraph.smooth
+ ? (NETDATA.dataAttributeBoolean(state.element, 'dygraph-smooth', (state.tmp.dygraph_chart_type === 'line' && NETDATA.chartLibraries.dygraph.isSparkline(state) === false)))
+ : false;
+
+ state.tmp.dygraph_include_zero = NETDATA.dataAttribute(state.element, 'dygraph-includezero', (state.tmp.dygraph_chart_type === 'stacked'));
+ let drawAxis = NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawaxis', true);
+
+ state.tmp.dygraph_options = {
+ colors: NETDATA.dataAttribute(state.element, 'dygraph-colors', state.chartColors()),
+
+ // leave a few pixels empty on the right of the chart
+ rightGap: NETDATA.dataAttribute(state.element, 'dygraph-rightgap', 5),
+ showRangeSelector: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showrangeselector', false),
+ showRoller: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showroller', false),
+ title: NETDATA.dataAttribute(state.element, 'dygraph-title', state.title),
+ titleHeight: NETDATA.dataAttribute(state.element, 'dygraph-titleheight', 19),
+ legend: NETDATA.dataAttribute(state.element, 'dygraph-legend', 'always'), // we need this to get selection events
+ labels: data.result.labels,
+ labelsDiv: NETDATA.dataAttribute(state.element, 'dygraph-labelsdiv', state.element_legend_childs.hidden),
+ //labelsDivStyles: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivstyles', { 'fontSize':'1px' }),
+ //labelsDivWidth: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivwidth', state.chartWidth() - 70),
+ labelsSeparateLines: NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsseparatelines', true),
+ labelsShowZeroValues: NETDATA.chartLibraries.dygraph.isLogScale(state) ? false : NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsshowzerovalues', true),
+ labelsKMB: false,
+ labelsKMG2: false,
+ showLabelsOnHighlight: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showlabelsonhighlight', true),
+ hideOverlayOnMouseOut: NETDATA.dataAttributeBoolean(state.element, 'dygraph-hideoverlayonmouseout', true),
+ includeZero: state.tmp.dygraph_include_zero,
+ xRangePad: NETDATA.dataAttribute(state.element, 'dygraph-xrangepad', 0),
+ yRangePad: NETDATA.dataAttribute(state.element, 'dygraph-yrangepad', 1),
+ valueRange: NETDATA.dataAttribute(state.element, 'dygraph-valuerange', [null, null]),
+ ylabel: state.units_current, // (state.units_desired === 'auto')?"":state.units_current,
+ yLabelWidth: NETDATA.dataAttribute(state.element, '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: NETDATA.dataAttribute(state.element, 'dygraph-strokewidth', ((state.tmp.dygraph_chart_type === 'stacked') ? 0.1 : ((smooth === true) ? 1.5 : 0.7))),
+ strokePattern: NETDATA.dataAttribute(state.element, '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: NETDATA.dataAttributeBoolean(state.element, '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: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgapedgepoints', true),
+ connectSeparatedPoints: NETDATA.chartLibraries.dygraph.isLogScale(state) ? false : NETDATA.dataAttributeBoolean(state.element, 'dygraph-connectseparatedpoints', false),
+ pointSize: NETDATA.dataAttribute(state.element, 'dygraph-pointsize', 1),
+
+ // enabling this makes the chart with little square lines
+ stepPlot: NETDATA.dataAttributeBoolean(state.element, 'dygraph-stepplot', false),
+
+ // Draw a border around graph lines to make crossing lines more easily
+ // distinguishable. Useful for graphs with many lines.
+ strokeBorderColor: NETDATA.dataAttribute(state.element, 'dygraph-strokebordercolor', NETDATA.themes.current.background),
+ strokeBorderWidth: NETDATA.dataAttribute(state.element, 'dygraph-strokeborderwidth', (state.tmp.dygraph_chart_type === 'stacked') ? 0.0 : 0.0),
+ fillGraph: NETDATA.dataAttribute(state.element, 'dygraph-fillgraph', (state.tmp.dygraph_chart_type === 'area' || state.tmp.dygraph_chart_type === 'stacked')),
+ fillAlpha: NETDATA.dataAttribute(state.element, 'dygraph-fillalpha',
+ ((state.tmp.dygraph_chart_type === 'stacked')
+ ? NETDATA.options.current.color_fill_opacity_stacked
+ : NETDATA.options.current.color_fill_opacity_area)
+ ),
+ stackedGraph: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraph', (state.tmp.dygraph_chart_type === 'stacked')),
+ stackedGraphNaNFill: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraphnanfill', 'none'),
+ drawAxis: drawAxis,
+ axisLabelFontSize: NETDATA.dataAttribute(state.element, 'dygraph-axislabelfontsize', 10),
+ axisLineColor: NETDATA.dataAttribute(state.element, 'dygraph-axislinecolor', NETDATA.themes.current.axis),
+ axisLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-axislinewidth', 1.0),
+ drawGrid: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgrid', true),
+ gridLinePattern: NETDATA.dataAttribute(state.element, 'dygraph-gridlinepattern', null),
+ gridLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-gridlinewidth', 1.0),
+ gridLineColor: NETDATA.dataAttribute(state.element, 'dygraph-gridlinecolor', NETDATA.themes.current.grid),
+ maxNumberWidth: NETDATA.dataAttribute(state.element, 'dygraph-maxnumberwidth', 8),
+ sigFigs: NETDATA.dataAttribute(state.element, 'dygraph-sigfigs', null),
+ digitsAfterDecimal: NETDATA.dataAttribute(state.element, 'dygraph-digitsafterdecimal', 2),
+ valueFormatter: NETDATA.dataAttribute(state.element, 'dygraph-valueformatter', undefined),
+ highlightCircleSize: NETDATA.dataAttribute(state.element, 'dygraph-highlightcirclesize', highlightCircleSize),
+ highlightSeriesOpts: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesopts', null), // TOO SLOW: { strokeWidth: 1.5 },
+ highlightSeriesBackgroundAlpha: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesbackgroundalpha', null), // TOO SLOW: (state.tmp.dygraph_chart_type === 'stacked')?0.7:0.5,
+ pointClickCallback: NETDATA.dataAttribute(state.element, 'dygraph-pointclickcallback', undefined),
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names),
+ logscale: NETDATA.chartLibraries.dygraph.isLogScale(state) ? 'y' : undefined,
+
+ axes: {
+ x: {
+ pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-xpixelsperlabel', 50),
+ ticker: Dygraph.dateTicker,
+ axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-xaxislabelwidth', 60),
+ drawAxis: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawxaxis', drawAxis),
+ axisLabelFormatter: function (d, gran) {
+ void(gran);
+ return NETDATA.dateTime.xAxisTimeString(d);
+ }
+ },
+ y: {
+ logscale: NETDATA.chartLibraries.dygraph.isLogScale(state) ? true : undefined,
+ pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-ypixelsperlabel', 15),
+ axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-yaxislabelwidth', 50),
+ drawAxis: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawyaxis', drawAxis),
+ axisLabelFormatter: function (y) {
+
+ // unfortunately, we have to call this every single time
+ state.legendFormatValueDecimalsFromMinMax(
+ this.axes_[0].extremeRange[0],
+ this.axes_[0].extremeRange[1]
+ );
+
+ let old_units = this.user_attrs_.ylabel;
+ let v = state.legendFormatValue(y);
+ let new_units = state.units_current;
+
+ if (state.units_desired === 'auto' && typeof old_units !== 'undefined' && new_units !== old_units && !NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+ // console.log(this);
+ // state.log('units discrepancy: old = ' + old_units + ', new = ' + new_units);
+ let len = this.plugins_.length;
+ while (len--) {
+ // console.log(this.plugins_[len]);
+ if (typeof this.plugins_[len].plugin.ylabel_div_ !== 'undefined'
+ && this.plugins_[len].plugin.ylabel_div_ !== null
+ && typeof this.plugins_[len].plugin.ylabel_div_.children !== 'undefined'
+ && this.plugins_[len].plugin.ylabel_div_.children !== null
+ && typeof this.plugins_[len].plugin.ylabel_div_.children[0].children !== 'undefined'
+ && this.plugins_[len].plugin.ylabel_div_.children[0].children !== null
+ ) {
+ this.plugins_[len].plugin.ylabel_div_.children[0].children[0].innerHTML = new_units;
+ this.user_attrs_.ylabel = new_units;
+ break;
+ }
+ }
+
+ if (len < 0) {
+ state.log('units discrepancy, but cannot find dygraphs div to change: old = ' + old_units + ', new = ' + new_units);
+ }
+ }
+
+ return v;
+ }
+ }
+ },
+ legendFormatter: function (data) {
+ if (state.tmp.dygraph_mouse_down) {
+ return;
+ }
+
+ let elements = state.element_legend_childs;
+
+ // if the hidden div is not there
+ // we are not managing the legend
+ if (elements.hidden === null) {
+ return;
+ }
+
+ if (typeof data.x !== 'undefined') {
+ state.legendSetDate(data.x);
+ let i = data.series.length;
+ while (i--) {
+ let series = data.series[i];
+ if (series.isVisible) {
+ state.legendSetLabelValue(series.label, series.y);
+ } else {
+ state.legendSetLabelValue(series.label, null);
+ }
+ }
+ }
+
+ return '';
+ },
+ drawCallback: function (dygraph, is_initial) {
+
+ // the user has panned the chart and this is called to re-draw the chart
+ // 1. refresh this chart by adding data to it
+ // 2. notify all the other charts about the update they need
+
+ // to prevent an infinite loop (feedback), we use
+ // state.tmp.dygraph_user_action
+ // - when true, this is initiated by a user
+ // - when false, this is feedback
+
+ if (state.current.name !== 'auto' && state.tmp.dygraph_user_action) {
+ state.tmp.dygraph_user_action = false;
+
+ let x_range = dygraph.xAxisRange();
+ let after = Math.round(x_range[0]);
+ let before = Math.round(x_range[1]);
+
+ if (NETDATA.options.debug.dygraph) {
+ state.log('dygraphDrawCallback(dygraph, ' + is_initial + '): mode ' + state.current.name + ' ' + (after / 1000).toString() + ' - ' + (before / 1000).toString());
+ //console.log(state);
+ }
+
+ if (before <= state.netdata_last && after >= state.netdata_first) {
+ // update only when we are within the data limits
+ state.updateChartPanOrZoom(after, before);
+ }
+ }
+ },
+ zoomCallback: function (minDate, maxDate, yRanges) {
+
+ // the user has selected a range on the chart
+ // 1. refresh this chart by adding data to it
+ // 2. notify all the other charts about the update they need
+
+ void(yRanges);
+
+ if (NETDATA.options.debug.dygraph) {
+ state.log('dygraphZoomCallback(): ' + state.current.name);
+ }
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+ state.setMode('zoom');
+
+ // refresh it to the greatest possible zoom level
+ state.tmp.dygraph_user_action = true;
+ state.tmp.dygraph_force_zoom = true;
+ state.updateChartPanOrZoom(minDate, maxDate);
+ },
+ highlightCallback: function (event, x, points, row, seriesName) {
+ void(seriesName);
+
+ 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
+ // let t = state.data_after + row * state.data_update_every;
+ // console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':(Math.abs(x-t)<=state.data_update_every)?'SIMILAR':'DIFFERENT') + ', rows in db: ' + state.data_points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.data_after + ' - ' + state.data_before + ' real: ' + state.data.after + ' - ' + state.data.before + ' every: ' + state.data_update_every);
+
+ if (state.tmp.dygraph_mouse_down !== true) {
+ NETDATA.globalSelectionSync.sync(state, x);
+ }
+
+ // fix legend zIndex using the internal structures of dygraph legend module
+ // this works, but it is a hack!
+ // state.tmp.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000;
+ },
+ unhighlightCallback: function (event) {
+ void(event);
+
+ if (state.tmp.dygraph_mouse_down) {
+ return;
+ }
+
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('dygraphUnhighlightCallback()');
+ }
+
+ state.unpauseChart();
+ NETDATA.globalSelectionSync.stop();
+ },
+ underlayCallback: function (canvas, area, g) {
+
+ // the chart is about to be drawn
+ // this function renders global highlighted time-frame
+
+ if (NETDATA.globalChartUnderlay.isActive()) {
+ let after = NETDATA.globalChartUnderlay.after;
+ let before = NETDATA.globalChartUnderlay.before;
+
+ if (after < state.view_after) {
+ after = state.view_after;
+ }
+
+ if (before > state.view_before) {
+ before = state.view_before;
+ }
+
+ if (after < before) {
+ let bottom_left = g.toDomCoords(after, -20);
+ let top_right = g.toDomCoords(before, +20);
+
+ let left = bottom_left[0];
+ let right = top_right[0];
+
+ canvas.fillStyle = NETDATA.themes.current.highlight;
+ canvas.fillRect(left, area.y, right - left, area.h);
+ }
+ }
+ },
+ interactionModel: {
+ mousedown: function (event, dygraph, context) {
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.mousedown()');
+ }
+
+ state.tmp.dygraph_user_action = true;
+
+ if (NETDATA.options.debug.dygraph) {
+ state.log('dygraphMouseDown()');
+ }
+
+ // Right-click should not initiate anything.
+ if (event.button && event.button === 2) {
+ return;
+ }
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_mouse_down = true;
+ context.initializeMouseDown(event, dygraph, context);
+
+ //console.log(event);
+ if (event.button && event.button === 1) {
+ if (event.shiftKey) {
+ //console.log('middle mouse button dragging (PAN)');
+
+ state.setMode('pan');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startPan(event, dygraph, context);
+ } else if (event.altKey || event.ctrlKey || event.metaKey) {
+ //console.log('middle mouse button highlight');
+
+ if (!(event.offsetX && event.offsetY)) {
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+ state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX);
+ Dygraph.startZoom(event, dygraph, context);
+ } else {
+ //console.log('middle mouse button selection for zoom (ZOOM)');
+
+ state.setMode('zoom');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startZoom(event, dygraph, context);
+ }
+ } else {
+ if (event.shiftKey) {
+ //console.log('left mouse button selection for zoom (ZOOM)');
+
+ state.setMode('zoom');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startZoom(event, dygraph, context);
+ } else if (event.altKey || event.ctrlKey || event.metaKey) {
+ //console.log('left mouse button highlight');
+
+ if (!(event.offsetX && event.offsetY)) {
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+ state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX);
+ Dygraph.startZoom(event, dygraph, context);
+ } else {
+ //console.log('left mouse button dragging (PAN)');
+
+ state.setMode('pan');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startPan(event, dygraph, context);
+ }
+ }
+ },
+ mousemove: function (event, dygraph, context) {
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.mousemove()');
+ }
+
+ if (state.tmp.dygraph_highlight_after !== null) {
+ //console.log('highlight selection...');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.moveZoom(event, dygraph, context);
+ event.preventDefault();
+ } else if (context.isPanning) {
+ //console.log('panning...');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ //NETDATA.globalSelectionSync.stop();
+ //NETDATA.globalSelectionSync.delay();
+ state.setMode('pan');
+ context.is2DPan = false;
+ Dygraph.movePan(event, dygraph, context);
+ } else if (context.isZooming) {
+ //console.log('zooming...');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ //NETDATA.globalSelectionSync.stop();
+ //NETDATA.globalSelectionSync.delay();
+ state.setMode('zoom');
+ Dygraph.moveZoom(event, dygraph, context);
+ }
+ },
+ mouseup: function (event, dygraph, context) {
+ state.tmp.dygraph_mouse_down = false;
+
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.mouseup()');
+ }
+
+ if (state.tmp.dygraph_highlight_after !== null) {
+ //console.log('done highlight selection');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ if (!(event.offsetX && event.offsetY)) {
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+
+ NETDATA.globalChartUnderlay.set(state
+ , state.tmp.dygraph_highlight_after
+ , dygraph.toDataXCoord(event.offsetX)
+ , state.view_after
+ , state.view_before
+ );
+
+ state.tmp.dygraph_highlight_after = null;
+
+ context.isZooming = false;
+ dygraph.clearZoomRect_();
+ dygraph.drawGraph_(false);
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ } else if (context.isPanning) {
+ //console.log('done panning');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.endPan(event, dygraph, context);
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ } else if (context.isZooming) {
+ //console.log('done zomming');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.endZoom(event, dygraph, context);
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ }
+ },
+ click: function (event, dygraph, context) {
+ void(dygraph);
+ void(context);
+
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.click()');
+ }
+
+ event.preventDefault();
+ },
+ dblclick: function (event, dygraph, context) {
+ void(event);
+ void(dygraph);
+ void(context);
+
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.dblclick()');
+ }
+ NETDATA.resetAllCharts(state);
+ },
+ wheel: function (event, dygraph, context) {
+ void(context);
+
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.wheel()');
+ }
+
+ // 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.
+ let xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0];
+ let yar0 = g.yAxisRange(0);
+
+ // This is calculating the pixel of the highest value. (Top pixel)
+ let 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).
+ let x = offsetX - xOffset;
+ let y = offsetY - yOffset;
+
+ // This is computing the rightmost pixel, effectively defining the
+ // width.
+ let w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset;
+
+ // This is computing the lowest pixel, effectively defining the height.
+ let h = g.toDomCoords(null, yar0[0])[1] - yOffset;
+
+ // Percentage from the left.
+ let xPct = w === 0 ? 0 : (x / w);
+ // Percentage from the top.
+ let 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) {
+ let delta = axis[1] - axis[0];
+ let increment = delta * zoomInPercentage;
+ let foo = [increment * bias, increment * (1 - bias)];
+
+ return [axis[0] + foo[0], axis[1] - foo[1]];
+ }
+
+ let yAxes = g.yAxisRanges();
+ let newYAxes = [];
+ for (let 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.tmp.dygraph_user_action = true;
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ // http://dygraphs.com/gallery/interaction-api.js
+ let normal_def;
+ if (typeof event.wheelDelta === 'number' && !isNaN(event.wheelDelta))
+ // chrome
+ {
+ normal_def = event.wheelDelta / 40;
+ } else
+ // firefox
+ {
+ normal_def = event.deltaY * -1.2;
+ }
+
+ let normal = (event.detail) ? event.detail * -1 : normal_def;
+ let percentage = normal / 50;
+
+ if (!(event.offsetX && event.offsetY)) {
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+
+ let percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY);
+ let xPct = percentages[0];
+ let yPct = percentages[1];
+
+ let new_x_range = zoomRange(dygraph, percentage, xPct, yPct);
+ let after = new_x_range[0];
+ let before = new_x_range[1];
+
+ let first = state.netdata_first + state.data_update_every;
+ let last = state.netdata_last + state.data_update_every;
+
+ if (before > last) {
+ after -= (before - last);
+ before = last;
+ }
+ if (after < first) {
+ after = first;
+ }
+
+ state.setMode('zoom');
+ state.updateChartPanOrZoom(after, before, function () {
+ dygraph.updateOptions({dateWindow: [after, before]});
+ });
+
+ event.preventDefault();
+ }
+ },
+ touchstart: function (event, dygraph, context) {
+ state.tmp.dygraph_mouse_down = true;
+
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.touchstart()');
+ }
+
+ state.tmp.dygraph_user_action = true;
+ state.setMode('zoom');
+ state.pauseChart();
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ Dygraph.defaultInteractionModel.touchstart(event, dygraph, context);
+
+ // we overwrite the touch directions at the end, to overwrite
+ // the internal default of dygraph
+ context.touchDirections = {x: true, y: false};
+
+ state.dygraph_last_touch_start = Date.now();
+ 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()');
+ }
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.defaultInteractionModel.touchmove(event, dygraph, context);
+
+ state.dygraph_last_touch_move = Date.now();
+ },
+ touchend: function (event, dygraph, context) {
+ state.tmp.dygraph_mouse_down = false;
+
+ if (NETDATA.options.debug.dygraph || state.debug) {
+ state.log('interactionModel.touchend()');
+ }
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.defaultInteractionModel.touchend(event, dygraph, context);
+
+ // if it didn't move, it is a selection
+ if (state.dygraph_last_touch_move === 0 && state.dygraph_last_touch_page_x !== 0) {
+ NETDATA.globalSelectionSync.dontSyncBefore = 0;
+ NETDATA.globalSelectionSync.setMaster(state);
+
+ // internal api of dygraph
+ let pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w;
+ console.log('pct: ' + pct.toString());
+
+ let t = Math.round(state.view_after + (state.view_before - state.view_after) * pct);
+ if (NETDATA.dygraphSetSelection(state, t)) {
+ NETDATA.globalSelectionSync.sync(state, t);
+ }
+ }
+
+ // if it was double tap within double click time, reset the charts
+ let now = Date.now();
+ if (typeof state.dygraph_last_touch_end !== 'undefined') {
+ if (state.dygraph_last_touch_move === 0) {
+ let 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;
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ }
+ }
+ };
+
+ if (NETDATA.chartLibraries.dygraph.isLogScale(state)) {
+ if (Array.isArray(state.tmp.dygraph_options.valueRange) && state.tmp.dygraph_options.valueRange[0] <= 0) {
+ state.tmp.dygraph_options.valueRange[0] = null;
+ }
+ }
+
+ if (NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+ state.tmp.dygraph_options.drawGrid = false;
+ state.tmp.dygraph_options.drawAxis = false;
+ state.tmp.dygraph_options.title = undefined;
+ state.tmp.dygraph_options.ylabel = undefined;
+ state.tmp.dygraph_options.yLabelWidth = 0;
+ //state.tmp.dygraph_options.labelsDivWidth = 120;
+ //state.tmp.dygraph_options.labelsDivStyles.width = '120px';
+ state.tmp.dygraph_options.labelsSeparateLines = true;
+ state.tmp.dygraph_options.rightGap = 0;
+ state.tmp.dygraph_options.yRangePad = 1;
+ state.tmp.dygraph_options.axes.x.drawAxis = false;
+ state.tmp.dygraph_options.axes.y.drawAxis = false;
+ }
+
+ if (smooth) {
+ state.tmp.dygraph_smooth_eligible = true;
+
+ if (NETDATA.options.current.smooth_plot) {
+ state.tmp.dygraph_options.plotter = smoothPlotter;
+ }
+ }
+ else {
+ state.tmp.dygraph_smooth_eligible = false;
+ }
+
+ if (netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(state) === false) {
+ // pan and zoom on snapshots
+ state.tmp.dygraph_options.dateWindow = [NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms];
+ //state.tmp.dygraph_options.isZoomedIgnoreProgrammaticZoom = true;
+ }
+
+ state.tmp.dygraph_instance = new Dygraph(state.element_chart,
+ data.result.data, state.tmp.dygraph_options);
+
+ state.tmp.dygraph_force_zoom = false;
+ state.tmp.dygraph_user_action = false;
+ state.tmp.dygraph_last_rendered = Date.now();
+ state.tmp.dygraph_highlight_after = null;
+
+ if (state.tmp.dygraph_options.valueRange[0] === null && state.tmp.dygraph_options.valueRange[1] === null) {
+ if (typeof state.tmp.dygraph_instance.axes_[0].extremeRange !== 'undefined') {
+ state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null);
+ state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null);
+ } else {
+ state.log('incompatible version of Dygraph detected');
+ state.tmp.__commonMin = null;
+ state.tmp.__commonMax = null;
+ }
+ } else {
+ // if the user gave a valueRange, respect it
+ state.tmp.__commonMin = null;
+ state.tmp.__commonMax = null;
+ }
+
+ return true;
+};