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+/**
+ * jqPlot
+ * Pure JavaScript plotting plugin using jQuery
+ *
+ * Version: @VERSION
+ * Revision: @REVISION
+ *
+ * Copyright (c) 2009-2016 Chris Leonello
+ * jqPlot is currently available for use in all personal or commercial projects
+ * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
+ * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
+ * choose the license that best suits your project and use it accordingly.
+ *
+ * Although not required, the author would appreciate an email letting him
+ * know of any substantial use of jqPlot. You can reach the author at:
+ * chris at jqplot dot com or see http://www.jqplot.com/info.php .
+ *
+ * If you are feeling kind and generous, consider supporting the project by
+ * making a donation at: http://www.jqplot.com/donate.php .
+ *
+ * sprintf functions contained in jqplot.sprintf.js by Ash Searle:
+ *
+ * version 2007.04.27
+ * author Ash Searle
+ * http://hexmen.com/blog/2007/03/printf-sprintf/
+ * http://hexmen.com/js/sprintf.js
+ * The author (Ash Searle) has placed this code in the public domain:
+ * "This code is unrestricted: you are free to use it however you like."
+ *
+ */
+(function($) {
+
+ /**
+ * Class: $.jqplot.Cursor
+ * Plugin class representing the cursor as displayed on the plot.
+ */
+ $.jqplot.Cursor = function(options) {
+ // Group: Properties
+ //
+ // prop: style
+ // CSS spec for cursor style
+ this.style = 'crosshair';
+ this.previousCursor = 'auto';
+ // prop: show
+ // whether to show the cursor or not.
+ this.show = $.jqplot.config.enablePlugins;
+ // prop: showTooltip
+ // show a cursor position tooltip. Location of the tooltip
+ // will be controlled by followMouse and tooltipLocation.
+ this.showTooltip = true;
+ // prop: followMouse
+ // Tooltip follows the mouse, it is not at a fixed location.
+ // Tooltip will show on the grid at the location given by
+ // tooltipLocation, offset from the grid edge by tooltipOffset.
+ this.followMouse = false;
+ // prop: tooltipLocation
+ // Where to position tooltip. If followMouse is true, this is
+ // relative to the cursor, otherwise, it is relative to the grid.
+ // One of 'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'
+ this.tooltipLocation = 'se';
+ // prop: tooltipOffset
+ // Pixel offset of tooltip from the grid boudaries or cursor center.
+ this.tooltipOffset = 6;
+ // prop: showTooltipGridPosition
+ // show the grid pixel coordinates of the mouse.
+ this.showTooltipGridPosition = false;
+ // prop: showTooltipUnitPosition
+ // show the unit (data) coordinates of the mouse.
+ this.showTooltipUnitPosition = true;
+ // prop: showTooltipDataPosition
+ // Used with showVerticalLine to show intersecting data points in the tooltip.
+ this.showTooltipDataPosition = false;
+ // prop: tooltipFormatString
+ // sprintf format string for the tooltip.
+ // Uses Ash Searle's javascript sprintf implementation
+ // found here: http://hexmen.com/blog/2007/03/printf-sprintf/
+ // See http://perldoc.perl.org/functions/sprintf.html for reference
+ // Note, if showTooltipDataPosition is true, the default tooltipFormatString
+ // will be set to the cursorLegendFormatString, not the default given here.
+ this.tooltipFormatString = '%.4P, %.4P';
+ // prop: useAxesFormatters
+ // Use the x and y axes formatters to format the text in the tooltip.
+ this.useAxesFormatters = true;
+ // prop: tooltipAxisGroups
+ // Show position for the specified axes.
+ // This is an array like [['xaxis', 'yaxis'], ['xaxis', 'y2axis']]
+ // Default is to compute automatically for all visible axes.
+ this.tooltipAxisGroups = [];
+ // prop: zoom
+ // Enable plot zooming.
+ this.zoom = false;
+ // zoomProxy and zoomTarget properties are not directly set by user.
+ // They Will be set through call to zoomProxy method.
+ this.zoomProxy = false;
+ this.zoomTarget = false;
+ // prop: looseZoom
+ // Will expand zoom range to provide more rounded tick values.
+ // Works only with linear, log and date axes.
+ this.looseZoom = true;
+ // prop: clickReset
+ // Will reset plot zoom if single click on plot without drag.
+ this.clickReset = false;
+ // prop: dblClickReset
+ // Will reset plot zoom if double click on plot without drag.
+ this.dblClickReset = true;
+ // prop: showVerticalLine
+ // draw a vertical line across the plot which follows the cursor.
+ // When the line is near a data point, a special legend and/or tooltip can
+ // be updated with the data values.
+ this.showVerticalLine = false;
+ // prop: showHorizontalLine
+ // draw a horizontal line across the plot which follows the cursor.
+ this.showHorizontalLine = false;
+ // prop: constrainZoomTo
+ // 'none', 'x' or 'y'
+ this.constrainZoomTo = 'none';
+ // // prop: autoscaleConstraint
+ // // when a constrained axis is specified, true will
+ // // auatoscale the adjacent axis.
+ // this.autoscaleConstraint = true;
+ this.shapeRenderer = new $.jqplot.ShapeRenderer();
+ this._zoom = {start:[], end:[], started: false, zooming:false, isZoomed:false, axes:{start:{}, end:{}}, gridpos:{}, datapos:{}};
+ this._tooltipElem;
+ this.zoomCanvas;
+ this.cursorCanvas;
+ // prop: intersectionThreshold
+ // pixel distance from data point or marker to consider cursor lines intersecting with point.
+ // If data point markers are not shown, this should be >= 1 or will often miss point intersections.
+ this.intersectionThreshold = 2;
+ // prop: showCursorLegend
+ // Replace the plot legend with an enhanced legend displaying intersection information.
+ this.showCursorLegend = false;
+ // prop: cursorLegendFormatString
+ // Format string used in the cursor legend. If showTooltipDataPosition is true,
+ // this will also be the default format string used by tooltipFormatString.
+ this.cursorLegendFormatString = $.jqplot.Cursor.cursorLegendFormatString;
+ // whether the cursor is over the grid or not.
+ this._oldHandlers = {onselectstart: null, ondrag: null, onmousedown: null};
+ // prop: constrainOutsideZoom
+ // True to limit actual zoom area to edges of grid, even when zooming
+ // outside of plot area. That is, can't zoom out by mousing outside plot.
+ this.constrainOutsideZoom = true;
+ // prop: showTooltipOutsideZoom
+ // True will keep updating the tooltip when zooming of the grid.
+ this.showTooltipOutsideZoom = false;
+ // true if mouse is over grid, false if not.
+ this.onGrid = false;
+ $.extend(true, this, options);
+ };
+
+ $.jqplot.Cursor.cursorLegendFormatString = '%s x:%s, y:%s';
+
+ // called with scope of plot
+ $.jqplot.Cursor.init = function (target, data, opts){
+ // add a cursor attribute to the plot
+ var options = opts || {};
+ this.plugins.cursor = new $.jqplot.Cursor(options.cursor);
+ var c = this.plugins.cursor;
+
+ if (c.show) {
+ $.jqplot.eventListenerHooks.push(['jqplotMouseEnter', handleMouseEnter]);
+ $.jqplot.eventListenerHooks.push(['jqplotMouseLeave', handleMouseLeave]);
+ $.jqplot.eventListenerHooks.push(['jqplotMouseMove', handleMouseMove]);
+
+ if (c.showCursorLegend) {
+ opts.legend = opts.legend || {};
+ opts.legend.renderer = $.jqplot.CursorLegendRenderer;
+ opts.legend.formatString = this.plugins.cursor.cursorLegendFormatString;
+ opts.legend.show = true;
+ }
+
+ if (c.zoom) {
+ $.jqplot.eventListenerHooks.push(['jqplotMouseDown', handleMouseDown]);
+
+ if (c.clickReset) {
+ $.jqplot.eventListenerHooks.push(['jqplotClick', handleClick]);
+ }
+
+ if (c.dblClickReset) {
+ $.jqplot.eventListenerHooks.push(['jqplotDblClick', handleDblClick]);
+ }
+ }
+
+ this.resetZoom = function() {
+ var axes = this.axes;
+ if (!c.zoomProxy) {
+ for (var ax in axes) {
+ axes[ax].reset();
+ axes[ax]._ticks = [];
+ // fake out tick creation algorithm to make sure original auto
+ // computed format string is used if _overrideFormatString is true
+ if (c._zoom.axes[ax] !== undefined) {
+ axes[ax]._autoFormatString = c._zoom.axes[ax].tickFormatString;
+ }
+ }
+ this.redraw();
+ }
+ else {
+ var ctx = this.plugins.cursor.zoomCanvas._ctx;
+ ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ ctx = null;
+ }
+ this.plugins.cursor._zoom.isZoomed = false;
+ this.target.trigger('jqplotResetZoom', [this, this.plugins.cursor]);
+ };
+
+
+ if (c.showTooltipDataPosition) {
+ c.showTooltipUnitPosition = false;
+ c.showTooltipGridPosition = false;
+ if (options.cursor.tooltipFormatString == undefined) {
+ c.tooltipFormatString = $.jqplot.Cursor.cursorLegendFormatString;
+ }
+ }
+ }
+ };
+
+ // called with context of plot
+ $.jqplot.Cursor.postDraw = function() {
+ var c = this.plugins.cursor;
+
+ // Memory Leaks patch
+ if (c.zoomCanvas) {
+ c.zoomCanvas.resetCanvas();
+ c.zoomCanvas = null;
+ }
+
+ if (c.cursorCanvas) {
+ c.cursorCanvas.resetCanvas();
+ c.cursorCanvas = null;
+ }
+
+ if (c._tooltipElem) {
+ c._tooltipElem.emptyForce();
+ c._tooltipElem = null;
+ }
+
+
+ if (c.zoom) {
+ c.zoomCanvas = new $.jqplot.GenericCanvas();
+ this.eventCanvas._elem.before(c.zoomCanvas.createElement(this._gridPadding, 'jqplot-zoom-canvas', this._plotDimensions, this));
+ c.zoomCanvas.setContext();
+ }
+
+ var elem = document.createElement('div');
+ c._tooltipElem = $(elem);
+ elem = null;
+ c._tooltipElem.addClass('jqplot-cursor-tooltip');
+ c._tooltipElem.css({position:'absolute', display:'none'});
+
+
+ if (c.zoomCanvas) {
+ c.zoomCanvas._elem.before(c._tooltipElem);
+ }
+
+ else {
+ this.eventCanvas._elem.before(c._tooltipElem);
+ }
+
+ if (c.showVerticalLine || c.showHorizontalLine) {
+ c.cursorCanvas = new $.jqplot.GenericCanvas();
+ this.eventCanvas._elem.before(c.cursorCanvas.createElement(this._gridPadding, 'jqplot-cursor-canvas', this._plotDimensions, this));
+ c.cursorCanvas.setContext();
+ }
+
+ // if we are showing the positions in unit coordinates, and no axes groups
+ // were specified, create a default set.
+ if (c.showTooltipUnitPosition){
+ if (c.tooltipAxisGroups.length === 0) {
+ var series = this.series;
+ var s;
+ var temp = [];
+ for (var i=0; i<series.length; i++) {
+ s = series[i];
+ var ax = s.xaxis+','+s.yaxis;
+ if ($.inArray(ax, temp) == -1) {
+ temp.push(ax);
+ }
+ }
+ for (var i=0; i<temp.length; i++) {
+ c.tooltipAxisGroups.push(temp[i].split(','));
+ }
+ }
+ }
+ };
+
+ // Group: methods
+ //
+ // method: $.jqplot.Cursor.zoomProxy
+ // links targetPlot to controllerPlot so that plot zooming of
+ // targetPlot will be controlled by zooming on the controllerPlot.
+ // controllerPlot will not actually zoom, but acts as an
+ // overview plot. Note, the zoom options must be set to true for
+ // zoomProxy to work.
+ $.jqplot.Cursor.zoomProxy = function(targetPlot, controllerPlot) {
+ var tc = targetPlot.plugins.cursor;
+ var cc = controllerPlot.plugins.cursor;
+ tc.zoomTarget = true;
+ tc.zoom = true;
+ tc.style = 'auto';
+ tc.dblClickReset = false;
+ cc.zoom = true;
+ cc.zoomProxy = true;
+
+ controllerPlot.target.bind('jqplotZoom', plotZoom);
+ controllerPlot.target.bind('jqplotResetZoom', plotReset);
+
+ function plotZoom(ev, gridpos, datapos, plot, cursor) {
+ tc.doZoom(gridpos, datapos, targetPlot, cursor);
+ }
+
+ function plotReset(ev, plot, cursor) {
+ targetPlot.resetZoom();
+ }
+ };
+
+ $.jqplot.Cursor.prototype.resetZoom = function(plot, cursor) {
+ var axes = plot.axes;
+ var series = plot.series;
+ var cax = cursor._zoom.axes;
+ var cser = cursor._data_series;
+ if (!plot.plugins.cursor.zoomProxy && cursor._zoom.isZoomed) {
+ for (var ax in axes) {
+ // axes[ax]._ticks = [];
+ // axes[ax].min = cax[ax].min;
+ // axes[ax].max = cax[ax].max;
+ // axes[ax].numberTicks = cax[ax].numberTicks;
+ // axes[ax].tickInterval = cax[ax].tickInterval;
+ // // for date axes
+ // axes[ax].daTickInterval = cax[ax].daTickInterval;
+ axes[ax].ticks = cax[ax].ticks;
+ axes[ax].reset();
+ axes[ax]._ticks = [];
+ // fake out tick creation algorithm to make sure original auto
+ // computed format string is used if _overrideFormatString is true
+ axes[ax]._autoFormatString = cax[ax].tickFormatString;
+ }
+ if (cser){
+ for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+ series[idxSerie].data = cser[idxSerie];
+ }
+ }
+ plot.redraw();
+ cursor._zoom.isZoomed = false;
+ }
+ else {
+ var ctx = cursor.zoomCanvas._ctx;
+ ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ ctx = null;
+ }
+ plot.target.trigger('jqplotResetZoom', [plot, cursor]);
+ };
+
+ $.jqplot.Cursor.resetZoom = function(plot) {
+ plot.resetZoom();
+ };
+
+ $.jqplot.Cursor.prototype.doZoom = function (gridpos, datapos, plot, cursor) {
+ var c = cursor;
+ var axes = plot.axes;
+ var series = plot.series;
+ var zaxes = c._zoom.axes;
+ var start = zaxes.start;
+ var end = zaxes.end;
+ var min, max, dp, span,
+ newmin, newmax, curax, _numberTicks, ret;
+ var ctx = plot.plugins.cursor.zoomCanvas._ctx;
+ // don't zoom if zoom area is too small (in pixels)
+ if ((c.constrainZoomTo == 'none' && Math.abs(gridpos.x - c._zoom.start[0]) > 6 && Math.abs(gridpos.y - c._zoom.start[1]) > 6) || (c.constrainZoomTo == 'x' && Math.abs(gridpos.x - c._zoom.start[0]) > 6) || (c.constrainZoomTo == 'y' && Math.abs(gridpos.y - c._zoom.start[1]) > 6)) {
+ if (!plot.plugins.cursor.zoomProxy) {
+ for (var ax in datapos) {
+ // make a copy of the original axes to revert back.
+ if (c._zoom.axes[ax] == undefined) {
+ c._zoom.axes[ax] = {};
+ c._zoom.axes[ax].ticks = axes[ax].ticks;
+ c._zoom.axes[ax].numberTicks = axes[ax].numberTicks;
+ c._zoom.axes[ax].tickInterval = axes[ax].tickInterval;
+ // for date axes...
+ c._zoom.axes[ax].daTickInterval = axes[ax].daTickInterval;
+ c._zoom.axes[ax].min = axes[ax].min;
+ c._zoom.axes[ax].max = axes[ax].max;
+ c._zoom.axes[ax].tickFormatString = (axes[ax].tickOptions != null) ? axes[ax].tickOptions.formatString : '';
+ }
+ // make a copy of the original data to revert back.
+ if (c._data_series == undefined){
+ c._data_series = new Array();
+ for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+ c._data_series.push(series[idxSerie].data);
+ }
+ }
+
+
+ if ((c.constrainZoomTo == 'none') || (c.constrainZoomTo == 'x' && ax.charAt(0) == 'x') || (c.constrainZoomTo == 'y' && ax.charAt(0) == 'y')) {
+ dp = datapos[ax];
+ if (dp != null) {
+ if (dp > start[ax]) {
+ newmin = start[ax];
+ newmax = dp;
+ }
+ else {
+ span = start[ax] - dp;
+ newmin = dp;
+ newmax = start[ax];
+ }
+
+ curax = axes[ax];
+
+ _numberTicks = null;
+
+ // if aligning this axis, use number of ticks from previous axis.
+ // Do I need to reset somehow if alignTicks is changed and then graph is replotted??
+ if (curax.alignTicks) {
+ if (curax.name === 'x2axis' && plot.axes.xaxis.show) {
+ _numberTicks = plot.axes.xaxis.numberTicks;
+ }
+ else if (curax.name.charAt(0) === 'y' && curax.name !== 'yaxis' && curax.name !== 'yMidAxis' && plot.axes.yaxis.show) {
+ _numberTicks = plot.axes.yaxis.numberTicks;
+ }
+ }
+
+ if (axes[ax].renderer.constructor === $.jqplot.CategoryAxisRenderer && curax.name === "xaxis") { // only managed for x
+ var tickDelta = axes[ax].max / axes[ax].ticks.length;
+ var currentValue = 0;
+ var currentData = new Array();
+ var newTicks = new Array();
+ // only get the relevant ticks and filter data
+ for (var idxTick=0 ; idxTick < axes[ax].ticks.length; idxTick++) {
+ if (currentValue >= newmin && currentValue <= newmax){
+ newTicks.push(axes[ax].ticks[idxTick]);
+ for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+ if (currentData.length <= idxSerie) currentData.push(new Array());
+ currentData[idxSerie].push(
+ [newTicks.length, series[idxSerie].data[idxTick][1]]);
+ }
+ }
+ currentValue += tickDelta;
+ }
+ if (newTicks.length){
+ axes[ax].min = newmin;
+ axes[ax].max = newmax;
+ axes[ax].ticks = newTicks;
+ for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+ series[idxSerie].data = currentData[idxSerie];
+ }
+ }
+ }
+ else if (this.looseZoom && (axes[ax].renderer.constructor === $.jqplot.LinearAxisRenderer || axes[ax].renderer.constructor === $.jqplot.LogAxisRenderer )) { //} || axes[ax].renderer.constructor === $.jqplot.DateAxisRenderer)) {
+
+ ret = $.jqplot.LinearTickGenerator(newmin, newmax, curax._scalefact, _numberTicks);
+
+ // if new minimum is less than "true" minimum of axis display, adjust it
+ if (axes[ax].tickInset && ret[0] < axes[ax].min + axes[ax].tickInset * axes[ax].tickInterval) {
+ ret[0] += ret[4];
+ ret[2] -= 1;
+ }
+
+ // if new maximum is greater than "true" max of axis display, adjust it
+ if (axes[ax].tickInset && ret[1] > axes[ax].max - axes[ax].tickInset * axes[ax].tickInterval) {
+ ret[1] -= ret[4];
+ ret[2] -= 1;
+ }
+
+ // for log axes, don't fall below current minimum, this will look bad and can't have 0 in range anyway.
+ if (axes[ax].renderer.constructor === $.jqplot.LogAxisRenderer && ret[0] < axes[ax].min) {
+ // remove a tick and shift min up
+ ret[0] += ret[4];
+ ret[2] -= 1;
+ }
+ axes[ax].min = ret[0];
+ axes[ax].max = ret[1];
+ axes[ax]._autoFormatString = ret[3];
+ axes[ax].numberTicks = ret[2];
+ axes[ax].tickInterval = ret[4];
+ // for date axes...
+ axes[ax].daTickInterval = [ret[4]/1000, 'seconds'];
+ }
+ else {
+ axes[ax].min = newmin;
+ axes[ax].max = newmax;
+ axes[ax].tickInterval = null;
+ axes[ax].numberTicks = null;
+ // for date axes...
+ axes[ax].daTickInterval = null;
+ }
+
+ axes[ax]._ticks = [];
+ }
+ }
+ }
+ for (var ax in datapos) {
+ if ((c.constrainZoomTo == 'x' && ax.charAt(0) == 'y' && c.autoscaleConstraint)) {
+ dp = datapos[ax];
+ if (dp != null) {
+ curax = axes[ax];
+
+ curax.min = axes[ax]._options.min;
+ curax.max = axes[ax]._options.max;
+
+ if (axes[ax]._options.min == null || axes[ax]._options.max == null) {
+ var seriesMin = null;
+ var seriesMax = null;
+ $.each(plot.series, function(seriesIdx, seriesObj) {
+ if (seriesObj.yaxis == ax) {
+ var xaxis = axes[seriesObj.xaxis];
+ var i;
+ var d = seriesObj._plotData;
+ for (i = 0; i < d.length; i++) {
+ var point = d[i];
+ if (point[0] >= xaxis.min && point[0] <= xaxis.max) {
+ if (seriesMin == null || point[1] < seriesMin) {
+ seriesMin = point[1];
+ }
+ if (seriesMax == null || point[1] > seriesMax) {
+ seriesMax = point[1];
+ }
+ }
+ }
+ }
+ });
+
+ if (axes[ax]._options.min != null) {
+ seriesMin = axes[ax]._options.min;
+ }
+ if (axes[ax]._options.max != null) {
+ seriesMax = axes[ax]._options.max;
+ }
+ var r = $.jqplot.LinearTickGenerator(seriesMin, seriesMax, null, null, (axes[ax]._options.min != null), (axes[ax]._options.max != null));
+ curax.min = r[0];
+ curax.max = r[1];
+ curax.tickInterval = null;
+ curax.numberTicks = null;
+ }
+ }
+ }
+ }
+ ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ plot.redraw();
+ c._zoom.isZoomed = true;
+ ctx = null;
+ }
+ plot.target.trigger('jqplotZoom', [gridpos, datapos, plot, cursor]);
+ }
+ };
+
+ $.jqplot.preInitHooks.push($.jqplot.Cursor.init);
+ $.jqplot.postDrawHooks.push($.jqplot.Cursor.postDraw);
+
+ function updateTooltip(gridpos, datapos, plot) {
+ var c = plot.plugins.cursor;
+ var s = '';
+ var addbr = false;
+ if (c.showTooltipGridPosition) {
+ s = gridpos.x+', '+gridpos.y;
+ addbr = true;
+ }
+ if (c.showTooltipUnitPosition) {
+ var g;
+ for (var i=0; i<c.tooltipAxisGroups.length; i++) {
+ g = c.tooltipAxisGroups[i];
+ if (addbr) {
+ s += '<br />';
+ }
+ if (c.useAxesFormatters) {
+ for (var j=0; j<g.length; j++) {
+ if (j) {
+ s += ', ';
+ }
+ var af = plot.axes[g[j]]._ticks[0].formatter;
+ var afstr = plot.axes[g[j]]._ticks[0].formatString;
+ s += af(afstr, datapos[g[j]]);
+ }
+ }
+ else {
+ s += $.jqplot.sprintf(c.tooltipFormatString, datapos[g[0]], datapos[g[1]]);
+ }
+ addbr = true;
+ }
+ }
+
+ if (c.showTooltipDataPosition) {
+ var series = plot.series;
+ var ret = getIntersectingPoints(plot, gridpos.x, gridpos.y);
+ var addbr = false;
+
+ for (var i = 0; i< series.length; i++) {
+ if (series[i].show) {
+ var idx = series[i].index;
+ var label = series[i].label.toString();
+ var cellid = $.inArray(idx, ret.indices);
+ var sx = undefined;
+ var sy = undefined;
+ if (cellid != -1) {
+ var data = ret.data[cellid].data;
+ if (c.useAxesFormatters) {
+ var xf = series[i]._xaxis._ticks[0].formatter;
+ var yf = series[i]._yaxis._ticks[0].formatter;
+ var xfstr = series[i]._xaxis._ticks[0].formatString;
+ var yfstr = series[i]._yaxis._ticks[0].formatString;
+ sx = xf(xfstr, data[0]);
+ sy = yf(yfstr, data[1]);
+ }
+ else {
+ sx = data[0];
+ sy = data[1];
+ }
+ if (addbr) {
+ s += '<br />';
+ }
+ s += $.jqplot.sprintf(c.tooltipFormatString, label, sx, sy);
+ addbr = true;
+ }
+ }
+ }
+
+ }
+ c._tooltipElem.html(s);
+ }
+
+ function moveLine(gridpos, plot) {
+ var c = plot.plugins.cursor;
+ var ctx = c.cursorCanvas._ctx;
+ ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ if (c.showVerticalLine) {
+ c.shapeRenderer.draw(ctx, [[gridpos.x, 0], [gridpos.x, ctx.canvas.height]]);
+ }
+ if (c.showHorizontalLine) {
+ c.shapeRenderer.draw(ctx, [[0, gridpos.y], [ctx.canvas.width, gridpos.y]]);
+ }
+ var ret = getIntersectingPoints(plot, gridpos.x, gridpos.y);
+ if (c.showCursorLegend) {
+ var cells = $(plot.targetId + ' td.jqplot-cursor-legend-label');
+ for (var i=0; i<cells.length; i++) {
+ var idx = $(cells[i]).data('seriesIndex');
+ var series = plot.series[idx];
+ var label = series.label.toString();
+ var cellid = $.inArray(idx, ret.indices);
+ var sx = undefined;
+ var sy = undefined;
+ if (cellid != -1) {
+ var data = ret.data[cellid].data;
+ if (c.useAxesFormatters) {
+ var xf = series._xaxis._ticks[0].formatter;
+ var yf = series._yaxis._ticks[0].formatter;
+ var xfstr = series._xaxis._ticks[0].formatString;
+ var yfstr = series._yaxis._ticks[0].formatString;
+ sx = xf(xfstr, data[0]);
+ sy = yf(yfstr, data[1]);
+ }
+ else {
+ sx = data[0];
+ sy = data[1];
+ }
+ }
+ if (plot.legend.escapeHtml) {
+ $(cells[i]).text($.jqplot.sprintf(c.cursorLegendFormatString, label, sx, sy));
+ }
+ else {
+ $(cells[i]).html($.jqplot.sprintf(c.cursorLegendFormatString, label, sx, sy));
+ }
+ }
+ }
+ ctx = null;
+ }
+
+ function getIntersectingPoints(plot, x, y) {
+ var ret = {indices:[], data:[]};
+ var s, i, d0, d, j, r, p;
+ var threshold;
+ var c = plot.plugins.cursor;
+ for (var i=0; i<plot.series.length; i++) {
+ s = plot.series[i];
+ r = s.renderer;
+ if (s.show) {
+ threshold = c.intersectionThreshold;
+ if (s.showMarker) {
+ threshold += s.markerRenderer.size/2;
+ }
+ for (var j=0; j<s.gridData.length; j++) {
+ p = s.gridData[j];
+ // check vertical line
+ if (c.showVerticalLine) {
+ if (Math.abs(x-p[0]) <= threshold) {
+ ret.indices.push(i);
+ ret.data.push({seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]});
+ }
+ }
+ }
+ }
+ }
+ return ret;
+ }
+
+ function moveTooltip(gridpos, plot) {
+ var c = plot.plugins.cursor;
+ var elem = c._tooltipElem;
+ switch (c.tooltipLocation) {
+ case 'nw':
+ var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true) - c.tooltipOffset;
+ var y = gridpos.y + plot._gridPadding.top - c.tooltipOffset - elem.outerHeight(true);
+ break;
+ case 'n':
+ var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true)/2;
+ var y = gridpos.y + plot._gridPadding.top - c.tooltipOffset - elem.outerHeight(true);
+ break;
+ case 'ne':
+ var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+ var y = gridpos.y + plot._gridPadding.top - c.tooltipOffset - elem.outerHeight(true);
+ break;
+ case 'e':
+ var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+ var y = gridpos.y + plot._gridPadding.top - elem.outerHeight(true)/2;
+ break;
+ case 'se':
+ var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+ var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+ break;
+ case 's':
+ var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true)/2;
+ var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+ break;
+ case 'sw':
+ var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true) - c.tooltipOffset;
+ var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+ break;
+ case 'w':
+ var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true) - c.tooltipOffset;
+ var y = gridpos.y + plot._gridPadding.top - elem.outerHeight(true)/2;
+ break;
+ default:
+ var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+ var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+ break;
+ }
+
+ elem.css('left', x);
+ elem.css('top', y);
+ elem = null;
+ }
+
+ function positionTooltip(plot) {
+ // fake a grid for positioning
+ var grid = plot._gridPadding;
+ var c = plot.plugins.cursor;
+ var elem = c._tooltipElem;
+ switch (c.tooltipLocation) {
+ case 'nw':
+ var a = grid.left + c.tooltipOffset;
+ var b = grid.top + c.tooltipOffset;
+ elem.css('left', a);
+ elem.css('top', b);
+ break;
+ case 'n':
+ var a = (grid.left + (plot._plotDimensions.width - grid.right))/2 - elem.outerWidth(true)/2;
+ var b = grid.top + c.tooltipOffset;
+ elem.css('left', a);
+ elem.css('top', b);
+ break;
+ case 'ne':
+ var a = grid.right + c.tooltipOffset;
+ var b = grid.top + c.tooltipOffset;
+ elem.css({right:a, top:b});
+ break;
+ case 'e':
+ var a = grid.right + c.tooltipOffset;
+ var b = (grid.top + (plot._plotDimensions.height - grid.bottom))/2 - elem.outerHeight(true)/2;
+ elem.css({right:a, top:b});
+ break;
+ case 'se':
+ var a = grid.right + c.tooltipOffset;
+ var b = grid.bottom + c.tooltipOffset;
+ elem.css({right:a, bottom:b});
+ break;
+ case 's':
+ var a = (grid.left + (plot._plotDimensions.width - grid.right))/2 - elem.outerWidth(true)/2;
+ var b = grid.bottom + c.tooltipOffset;
+ elem.css({left:a, bottom:b});
+ break;
+ case 'sw':
+ var a = grid.left + c.tooltipOffset;
+ var b = grid.bottom + c.tooltipOffset;
+ elem.css({left:a, bottom:b});
+ break;
+ case 'w':
+ var a = grid.left + c.tooltipOffset;
+ var b = (grid.top + (plot._plotDimensions.height - grid.bottom))/2 - elem.outerHeight(true)/2;
+ elem.css({left:a, top:b});
+ break;
+ default: // same as 'se'
+ var a = grid.right - c.tooltipOffset;
+ var b = grid.bottom + c.tooltipOffset;
+ elem.css({right:a, bottom:b});
+ break;
+ }
+ elem = null;
+ }
+
+ function handleClick (ev, gridpos, datapos, neighbor, plot) {
+ ev.preventDefault();
+ ev.stopImmediatePropagation();
+ var c = plot.plugins.cursor;
+ if (c.clickReset) {
+ c.resetZoom(plot, c);
+ }
+ var sel = window.getSelection;
+ if (document.selection && document.selection.empty)
+ {
+ document.selection.empty();
+ }
+ else if (sel && !sel().isCollapsed) {
+ sel().collapse();
+ }
+ return false;
+ }
+
+ function handleDblClick (ev, gridpos, datapos, neighbor, plot) {
+ ev.preventDefault();
+ ev.stopImmediatePropagation();
+ var c = plot.plugins.cursor;
+ if (c.dblClickReset) {
+ c.resetZoom(plot, c);
+ }
+ var sel = window.getSelection;
+ if (document.selection && document.selection.empty)
+ {
+ document.selection.empty();
+ }
+ else if (sel && !sel().isCollapsed) {
+ sel().collapse();
+ }
+ return false;
+ }
+
+ function handleMouseLeave(ev, gridpos, datapos, neighbor, plot) {
+ var c = plot.plugins.cursor;
+ c.onGrid = false;
+ if (c.show) {
+ $(ev.target).css('cursor', c.previousCursor);
+ if (c.showTooltip && !(c._zoom.zooming && c.showTooltipOutsideZoom && !c.constrainOutsideZoom)) {
+ c._tooltipElem.empty();
+ c._tooltipElem.hide();
+ }
+ if (c.zoom) {
+ c._zoom.gridpos = gridpos;
+ c._zoom.datapos = datapos;
+ }
+ if (c.showVerticalLine || c.showHorizontalLine) {
+ var ctx = c.cursorCanvas._ctx;
+ ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ ctx = null;
+ }
+ if (c.showCursorLegend) {
+ var cells = $(plot.targetId + ' td.jqplot-cursor-legend-label');
+ for (var i=0; i<cells.length; i++) {
+ var idx = $(cells[i]).data('seriesIndex');
+ var series = plot.series[idx];
+ var label = series.label.toString();
+ if (plot.legend.escapeHtml) {
+ $(cells[i]).text($.jqplot.sprintf(c.cursorLegendFormatString, label, undefined, undefined));
+ }
+ else {
+ $(cells[i]).html($.jqplot.sprintf(c.cursorLegendFormatString, label, undefined, undefined));
+ }
+
+ }
+ }
+ }
+ }
+
+ function handleMouseEnter(ev, gridpos, datapos, neighbor, plot) {
+ var c = plot.plugins.cursor;
+ c.onGrid = true;
+ if (c.show) {
+ c.previousCursor = ev.target.style.cursor;
+ ev.target.style.cursor = c.style;
+ if (c.showTooltip) {
+ updateTooltip(gridpos, datapos, plot);
+ if (c.followMouse) {
+ moveTooltip(gridpos, plot);
+ }
+ else {
+ positionTooltip(plot);
+ }
+ c._tooltipElem.show();
+ }
+ if (c.showVerticalLine || c.showHorizontalLine) {
+ moveLine(gridpos, plot);
+ }
+ }
+
+ }
+
+ function handleMouseMove(ev, gridpos, datapos, neighbor, plot) {
+ var c = plot.plugins.cursor;
+ if (c.show) {
+ if (c.showTooltip) {
+ updateTooltip(gridpos, datapos, plot);
+ if (c.followMouse) {
+ moveTooltip(gridpos, plot);
+ }
+ }
+ if (c.showVerticalLine || c.showHorizontalLine) {
+ moveLine(gridpos, plot);
+ }
+ }
+ }
+
+ function getEventPosition(ev) {
+ var plot = ev.data.plot;
+ var go = plot.eventCanvas._elem.offset();
+ var gridPos = {x:ev.pageX - go.left, y:ev.pageY - go.top};
+ //////
+ // TO DO: handle yMidAxis
+ //////
+ var dataPos = {xaxis:null, yaxis:null, x2axis:null, y2axis:null, y3axis:null, y4axis:null, y5axis:null, y6axis:null, y7axis:null, y8axis:null, y9axis:null, yMidAxis:null};
+ var an = ['xaxis', 'yaxis', 'x2axis', 'y2axis', 'y3axis', 'y4axis', 'y5axis', 'y6axis', 'y7axis', 'y8axis', 'y9axis', 'yMidAxis'];
+ var ax = plot.axes;
+ var n, axis;
+ for (n=11; n>0; n--) {
+ axis = an[n-1];
+ if (ax[axis].show) {
+ dataPos[axis] = ax[axis].series_p2u(gridPos[axis.charAt(0)]);
+ }
+ }
+
+ return {offsets:go, gridPos:gridPos, dataPos:dataPos};
+ }
+
+ function handleZoomMove(ev) {
+ var plot = ev.data.plot;
+ var c = plot.plugins.cursor;
+ // don't do anything if not on grid.
+ if (c.show && c.zoom && c._zoom.started && !c.zoomTarget) {
+ ev.preventDefault();
+ var ctx = c.zoomCanvas._ctx;
+ var positions = getEventPosition(ev);
+ var gridpos = positions.gridPos;
+ var datapos = positions.dataPos;
+ c._zoom.gridpos = gridpos;
+ c._zoom.datapos = datapos;
+ c._zoom.zooming = true;
+ var xpos = gridpos.x;
+ var ypos = gridpos.y;
+ var height = ctx.canvas.height;
+ var width = ctx.canvas.width;
+ if (c.showTooltip && !c.onGrid && c.showTooltipOutsideZoom) {
+ updateTooltip(gridpos, datapos, plot);
+ if (c.followMouse) {
+ moveTooltip(gridpos, plot);
+ }
+ }
+ if (c.constrainZoomTo == 'x') {
+ c._zoom.end = [xpos, height];
+ }
+ else if (c.constrainZoomTo == 'y') {
+ c._zoom.end = [width, ypos];
+ }
+ else {
+ c._zoom.end = [xpos, ypos];
+ }
+ var sel = window.getSelection;
+ if (document.selection && document.selection.empty)
+ {
+ document.selection.empty();
+ }
+ else if (sel && !sel().isCollapsed) {
+ sel().collapse(ev.currentTarget, 0);
+ }
+ drawZoomBox.call(c);
+ ctx = null;
+ }
+ }
+
+ function handleMouseDown(ev, gridpos, datapos, neighbor, plot) {
+ var c = plot.plugins.cursor;
+ if(plot.plugins.mobile){
+ $(document).one('vmouseup.jqplot_cursor', {plot:plot}, handleMouseUp);
+ } else {
+ $(document).one('mouseup.jqplot_cursor', {plot:plot}, handleMouseUp);
+ }
+ var axes = plot.axes;
+ if (document.onselectstart != undefined) {
+ c._oldHandlers.onselectstart = document.onselectstart;
+ document.onselectstart = function () { return false; };
+ }
+ if (document.ondrag != undefined) {
+ c._oldHandlers.ondrag = document.ondrag;
+ document.ondrag = function () { return false; };
+ }
+ if (document.onmousedown != undefined) {
+ c._oldHandlers.onmousedown = document.onmousedown;
+ document.onmousedown = function () { return false; };
+ }
+ if (c.zoom) {
+ if (!c.zoomProxy) {
+ var ctx = c.zoomCanvas._ctx;
+ ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ ctx = null;
+ }
+ if (c.constrainZoomTo == 'x') {
+ c._zoom.start = [gridpos.x, 0];
+ }
+ else if (c.constrainZoomTo == 'y') {
+ c._zoom.start = [0, gridpos.y];
+ }
+ else {
+ c._zoom.start = [gridpos.x, gridpos.y];
+ }
+ c._zoom.started = true;
+ for (var ax in datapos) {
+ // get zoom starting position.
+ c._zoom.axes.start[ax] = datapos[ax];
+ }
+ if(plot.plugins.mobile){
+ $(document).bind('vmousemove.jqplotCursor', {plot:plot}, handleZoomMove);
+ } else {
+ $(document).bind('mousemove.jqplotCursor', {plot:plot}, handleZoomMove);
+ }
+
+ }
+ }
+
+ function handleMouseUp(ev) {
+ var plot = ev.data.plot;
+ var c = plot.plugins.cursor;
+ if (c.zoom && c._zoom.zooming && !c.zoomTarget) {
+ var xpos = c._zoom.gridpos.x;
+ var ypos = c._zoom.gridpos.y;
+ var datapos = c._zoom.datapos;
+ var height = c.zoomCanvas._ctx.canvas.height;
+ var width = c.zoomCanvas._ctx.canvas.width;
+ var axes = plot.axes;
+
+ if (c.constrainOutsideZoom && !c.onGrid) {
+ if (xpos < 0) { xpos = 0; }
+ else if (xpos > width) { xpos = width; }
+ if (ypos < 0) { ypos = 0; }
+ else if (ypos > height) { ypos = height; }
+
+ for (var axis in datapos) {
+ if (datapos[axis]) {
+ if (axis.charAt(0) == 'x') {
+ datapos[axis] = axes[axis].series_p2u(xpos);
+ }
+ else {
+ datapos[axis] = axes[axis].series_p2u(ypos);
+ }
+ }
+ }
+ }
+
+ if (c.constrainZoomTo == 'x') {
+ ypos = height;
+ }
+ else if (c.constrainZoomTo == 'y') {
+ xpos = width;
+ }
+ c._zoom.end = [xpos, ypos];
+ c._zoom.gridpos = {x:xpos, y:ypos};
+
+ c.doZoom(c._zoom.gridpos, datapos, plot, c);
+ }
+ c._zoom.started = false;
+ c._zoom.zooming = false;
+
+ $(document).unbind('mousemove.jqplotCursor', handleZoomMove);
+
+ if (document.onselectstart != undefined && c._oldHandlers.onselectstart != null){
+ document.onselectstart = c._oldHandlers.onselectstart;
+ c._oldHandlers.onselectstart = null;
+ }
+ if (document.ondrag != undefined && c._oldHandlers.ondrag != null){
+ document.ondrag = c._oldHandlers.ondrag;
+ c._oldHandlers.ondrag = null;
+ }
+ if (document.onmousedown != undefined && c._oldHandlers.onmousedown != null){
+ document.onmousedown = c._oldHandlers.onmousedown;
+ c._oldHandlers.onmousedown = null;
+ }
+
+ }
+
+ function drawZoomBox() {
+ var start = this._zoom.start;
+ var end = this._zoom.end;
+ var ctx = this.zoomCanvas._ctx;
+ var l, t, h, w;
+ if (end[0] > start[0]) {
+ l = start[0];
+ w = end[0] - start[0];
+ }
+ else {
+ l = end[0];
+ w = start[0] - end[0];
+ }
+ if (end[1] > start[1]) {
+ t = start[1];
+ h = end[1] - start[1];
+ }
+ else {
+ t = end[1];
+ h = start[1] - end[1];
+ }
+ ctx.fillStyle = 'rgba(0,0,0,0.2)';
+ ctx.strokeStyle = '#999999';
+ ctx.lineWidth = 1.0;
+ ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ ctx.fillRect(0,0,ctx.canvas.width, ctx.canvas.height);
+ ctx.clearRect(l, t, w, h);
+ // IE won't show transparent fill rect, so stroke a rect also.
+ ctx.strokeRect(l,t,w,h);
+ ctx = null;
+ }
+
+ $.jqplot.CursorLegendRenderer = function(options) {
+ $.jqplot.TableLegendRenderer.call(this, options);
+ this.formatString = '%s';
+ };
+
+ $.jqplot.CursorLegendRenderer.prototype = new $.jqplot.TableLegendRenderer();
+ $.jqplot.CursorLegendRenderer.prototype.constructor = $.jqplot.CursorLegendRenderer;
+
+ // called in context of a Legend
+ $.jqplot.CursorLegendRenderer.prototype.draw = function() {
+ if (this._elem) {
+ this._elem.emptyForce();
+ this._elem = null;
+ }
+ if (this.show) {
+ var series = this._series, s;
+ // make a table. one line label per row.
+ var elem = document.createElement('table');
+ this._elem = $(elem);
+ elem = null;
+ this._elem.addClass('jqplot-legend jqplot-cursor-legend');
+ this._elem.css('position', 'absolute');
+
+ var pad = false;
+ for (var i = 0; i< series.length; i++) {
+ s = series[i];
+ if (s.show && s.showLabel) {
+ var lt = $.jqplot.sprintf(this.formatString, s.label.toString());
+ if (lt) {
+ var color = s.color;
+ if (s._stack && !s.fill) {
+ color = '';
+ }
+ addrow.call(this, lt, color, pad, i);
+ pad = true;
+ }
+ // let plugins add more rows to legend. Used by trend line plugin.
+ for (var j=0; j<$.jqplot.addLegendRowHooks.length; j++) {
+ var item = $.jqplot.addLegendRowHooks[j].call(this, s);
+ if (item) {
+ addrow.call(this, item.label, item.color, pad);
+ pad = true;
+ }
+ }
+ }
+ }
+ series = s = null;
+ delete series;
+ delete s;
+ }
+
+ function addrow(label, color, pad, idx) {
+ var rs = (pad) ? this.rowSpacing : '0';
+ var tr = $('<tr class="jqplot-legend jqplot-cursor-legend"></tr>').appendTo(this._elem);
+ tr.data('seriesIndex', idx);
+ $('<td class="jqplot-legend jqplot-cursor-legend-swatch" style="padding-top:'+rs+';">'+
+ '<div style="border:1px solid #cccccc;padding:0.2em;">'+
+ '<div class="jqplot-cursor-legend-swatch" style="background-color:'+color+';"></div>'+
+ '</div></td>').appendTo(tr);
+ var td = $('<td class="jqplot-legend jqplot-cursor-legend-label" style="vertical-align:middle;padding-top:'+rs+';"></td>');
+ td.appendTo(tr);
+ td.data('seriesIndex', idx);
+ if (this.escapeHtml) {
+ td.text(label);
+ }
+ else {
+ td.html(label);
+ }
+ tr = null;
+ td = null;
+ }
+ return this._elem;
+ };
+
+})(jQuery);
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 18:32:46 +0000