705 lines
22 KiB
JavaScript
705 lines
22 KiB
JavaScript
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/**
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* jqPlot
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* Pure JavaScript plotting plugin using jQuery
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*
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* Version: 1.0.0b2_r792
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*
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* Copyright (c) 2009-2011 Chris Leonello
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* jqPlot is currently available for use in all personal or commercial projects
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* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
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* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
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* choose the license that best suits your project and use it accordingly.
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*
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* Although not required, the author would appreciate an email letting him
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* know of any substantial use of jqPlot. You can reach the author at:
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* chris at jqplot dot com or see http://www.jqplot.com/info.php .
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*
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* If you are feeling kind and generous, consider supporting the project by
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* making a donation at: http://www.jqplot.com/donate.php .
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*
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* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
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*
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* version 2007.04.27
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* author Ash Searle
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* http://hexmen.com/blog/2007/03/printf-sprintf/
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* http://hexmen.com/js/sprintf.js
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* The author (Ash Searle) has placed this code in the public domain:
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* "This code is unrestricted: you are free to use it however you like."
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*
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*/
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(function($) {
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// class: $.jqplot.CanvasOverlay
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$.jqplot.CanvasOverlay = function(opts){
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var options = opts || {};
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this.options = {
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show: $.jqplot.config.enablePlugins,
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deferDraw: false
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};
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// prop: objects
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this.objects = [];
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this.objectNames = [];
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this.canvas = null;
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this.markerRenderer = new $.jqplot.MarkerRenderer({style:'line'});
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this.markerRenderer.init();
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if (options.objects) {
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var objs = options.objects,
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obj;
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for (var i=0; i<objs.length; i++) {
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obj = objs[i];
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for (var n in obj) {
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switch (n) {
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case 'line':
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this.addLine(obj[n]);
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break;
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case 'horizontalLine':
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this.addHorizontalLine(obj[n]);
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break;
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case 'dashedHorizontalLine':
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this.addDashedHorizontalLine(obj[n]);
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break;
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case 'verticalLine':
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this.addVerticalLine(obj[n]);
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break;
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case 'dashedVerticalLine':
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this.addDashedVerticalLine(obj[n]);
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break;
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default:
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break;
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}
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}
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}
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}
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$.extend(true, this.options, options);
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};
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// called with scope of a plot object
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$.jqplot.CanvasOverlay.postPlotInit = function (target, data, opts) {
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var options = opts || {};
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// add a canvasOverlay attribute to the plot
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this.plugins.canvasOverlay = new $.jqplot.CanvasOverlay(options.canvasOverlay);
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};
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/**
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* Class: Line
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* A straight line.
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*/
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function Line(options) {
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this.type = 'line';
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this.options = {
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// prop: name
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// Optional name for this overlay object.
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// Can be later used to retrieve the object by name.
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name: null,
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// prop: show
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// true to show (draw), false to not draw.
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show: true,
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// prop: lineWidth
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// Width of the line.
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lineWidth: 2,
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// prop: lineCap
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// Type of ending placed on the line ['round', 'butt', 'square']
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lineCap: 'round',
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// prop: color
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// color of the line
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color: '#666666',
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// prop: shadow
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// wether or not to draw a shadow on the line
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shadow: true,
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// prop: shadowAngle
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// Shadow angle in degrees
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shadowAngle: 45,
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// prop: shadowOffset
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// Shadow offset from line in pixels
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shadowOffset: 1,
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// prop: shadowDepth
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// Number of times shadow is stroked, each stroke offset shadowOffset from the last.
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shadowDepth: 3,
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// prop: shadowAlpha
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// Alpha channel transparency of shadow. 0 = transparent.
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shadowAlpha: '0.07',
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// prop: xaxis
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// X axis to use for positioning/scaling the line.
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xaxis: 'xaxis',
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// prop: yaxis
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// Y axis to use for positioning/scaling the line.
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yaxis: 'yaxis',
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// prop: start
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// [x, y] coordinates for the start of the line.
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start: [],
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// prop: stop
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// [x, y] coordinates for the end of the line.
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stop: []
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};
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$.extend(true, this.options, options);
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}
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/**
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* Class: HorizontalLine
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* A straight horizontal line.
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*/
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function HorizontalLine(options) {
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this.type = 'horizontalLine';
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this.options = {
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// prop: name
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// Optional name for this overlay object.
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// Can be later used to retrieve the object by name.
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name: null,
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// prop: show
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// true to show (draw), false to not draw.
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show: true,
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// prop: lineWidth
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// Width of the line.
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lineWidth: 2,
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// prop: lineCap
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// Type of ending placed on the line ['round', 'butt', 'square']
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lineCap: 'round',
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// prop: color
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// color of the line
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color: '#666666',
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// prop: shadow
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// wether or not to draw a shadow on the line
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shadow: true,
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// prop: shadowAngle
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// Shadow angle in degrees
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shadowAngle: 45,
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// prop: shadowOffset
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// Shadow offset from line in pixels
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shadowOffset: 1,
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// prop: shadowDepth
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// Number of times shadow is stroked, each stroke offset shadowOffset from the last.
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shadowDepth: 3,
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// prop: shadowAlpha
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// Alpha channel transparency of shadow. 0 = transparent.
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shadowAlpha: '0.07',
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// prop: xaxis
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// X axis to use for positioning/scaling the line.
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xaxis: 'xaxis',
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// prop: yaxis
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// Y axis to use for positioning/scaling the line.
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yaxis: 'yaxis',
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// prop: y
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// y value to position the line
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y: null,
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// prop: xmin
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// x value for the start of the line, null to scale to axis min.
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xmin: null,
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// prop: xmax
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// x value for the end of the line, null to scale to axis max.
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xmax: null,
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// prop xOffset
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// offset ends of the line inside the grid. Number
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xOffset: '6px', // number or string. Number interpreted as units, string as pixels.
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xminOffset: null,
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xmaxOffset: null
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};
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$.extend(true, this.options, options);
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}
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/**
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* Class: DashedHorizontalLine
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* A straight dashed horizontal line.
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*/
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function DashedHorizontalLine(options) {
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this.type = 'dashedHorizontalLine';
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this.options = {
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// prop: name
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// Optional name for this overlay object.
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// Can be later used to retrieve the object by name.
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name: null,
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// prop: show
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// true to show (draw), false to not draw.
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show: true,
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// prop: lineWidth
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// Width of the line.
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lineWidth: 2,
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// prop: lineCap
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// Type of ending placed on the line ['round', 'butt', 'square']
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lineCap: 'butt',
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// prop: color
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// color of the line
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color: '#666666',
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// prop: shadow
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// wether or not to draw a shadow on the line
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shadow: true,
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// prop: shadowAngle
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// Shadow angle in degrees
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shadowAngle: 45,
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// prop: shadowOffset
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// Shadow offset from line in pixels
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shadowOffset: 1,
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// prop: shadowDepth
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// Number of times shadow is stroked, each stroke offset shadowOffset from the last.
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shadowDepth: 3,
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// prop: shadowAlpha
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// Alpha channel transparency of shadow. 0 = transparent.
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shadowAlpha: '0.07',
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// prop: xaxis
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// X axis to use for positioning/scaling the line.
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xaxis: 'xaxis',
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// prop: yaxis
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// Y axis to use for positioning/scaling the line.
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yaxis: 'yaxis',
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y: null,
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xmin: null,
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xmax: null,
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xOffset: '6px', // number or string. Number interpreted as units, string as pixels.
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xminOffset: null,
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xmaxOffset: null,
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// prop: dashPattern
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// Array of line, space settings in pixels.
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// Default is 8 pixel of line, 8 pixel of space.
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// Note, limit to a 2 element array b/c of bug with higher order arrays.
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dashPattern: [8,8]
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};
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$.extend(true, this.options, options);
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}
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/**
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* Class: VerticalLine
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* A straight vertical line.
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*/
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function VerticalLine(options) {
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this.type = 'verticalLine';
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this.options = {
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// prop: name
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// Optional name for this overlay object.
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// Can be later used to retrieve the object by name.
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name: null,
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// prop: show
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// true to show (draw), false to not draw.
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show: true,
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// prop: lineWidth
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// Width of the line.
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lineWidth: 2,
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// prop: lineCap
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// Type of ending placed on the line ['round', 'butt', 'square']
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lineCap: 'round',
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// prop: color
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// color of the line
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color: '#666666',
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// prop: shadow
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// wether or not to draw a shadow on the line
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shadow: true,
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// prop: shadowAngle
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// Shadow angle in degrees
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shadowAngle: 45,
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// prop: shadowOffset
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// Shadow offset from line in pixels
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shadowOffset: 1,
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// prop: shadowDepth
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// Number of times shadow is stroked, each stroke offset shadowOffset from the last.
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shadowDepth: 3,
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// prop: shadowAlpha
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// Alpha channel transparency of shadow. 0 = transparent.
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shadowAlpha: '0.07',
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// prop: xaxis
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// X axis to use for positioning/scaling the line.
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xaxis: 'xaxis',
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// prop: yaxis
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// Y axis to use for positioning/scaling the line.
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yaxis: 'yaxis',
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x: null,
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ymin: null,
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ymax: null,
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yOffset: '6px', // number or string. Number interpreted as units, string as pixels.
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yminOffset: null,
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ymaxOffset: null
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};
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$.extend(true, this.options, options);
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}
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/**
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* Class: DashedVerticalLine
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* A straight dashed vertical line.
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*/
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function DashedVerticalLine(options) {
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this.type = 'dashedVerticalLine';
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this.options = {
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// prop: name
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// Optional name for this overlay object.
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// Can be later used to retrieve the object by name.
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name: null,
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// prop: show
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// true to show (draw), false to not draw.
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show: true,
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// prop: lineWidth
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// Width of the line.
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lineWidth: 2,
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// prop: lineCap
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// Type of ending placed on the line ['round', 'butt', 'square']
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lineCap: 'butt',
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// prop: color
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// color of the line
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color: '#666666',
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// prop: shadow
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// wether or not to draw a shadow on the line
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shadow: true,
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// prop: shadowAngle
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// Shadow angle in degrees
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shadowAngle: 45,
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// prop: shadowOffset
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// Shadow offset from line in pixels
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shadowOffset: 1,
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// prop: shadowDepth
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// Number of times shadow is stroked, each stroke offset shadowOffset from the last.
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shadowDepth: 3,
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// prop: shadowAlpha
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// Alpha channel transparency of shadow. 0 = transparent.
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shadowAlpha: '0.07',
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// prop: xaxis
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// X axis to use for positioning/scaling the line.
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xaxis: 'xaxis',
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// prop: yaxis
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// Y axis to use for positioning/scaling the line.
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yaxis: 'yaxis',
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x: null,
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ymin: null,
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ymax: null,
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yOffset: '6px', // number or string. Number interpreted as units, string as pixels.
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yminOffset: null,
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ymaxOffset: null,
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// prop: dashPattern
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// Array of line, space settings in pixels.
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// Default is 8 pixel of line, 8 pixel of space.
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// Note, limit to a 2 element array b/c of bug with higher order arrays.
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dashPattern: [8,8]
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};
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$.extend(true, this.options, options);
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}
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$.jqplot.CanvasOverlay.prototype.addLine = function(opts) {
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var line = new Line(opts);
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this.objects.push(line);
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this.objectNames.push(line.options.name);
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};
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$.jqplot.CanvasOverlay.prototype.addHorizontalLine = function(opts) {
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var line = new HorizontalLine(opts);
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this.objects.push(line);
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this.objectNames.push(line.options.name);
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};
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$.jqplot.CanvasOverlay.prototype.addDashedHorizontalLine = function(opts) {
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var line = new DashedHorizontalLine(opts);
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this.objects.push(line);
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this.objectNames.push(line.options.name);
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};
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||
|
|
|
||
|
|
$.jqplot.CanvasOverlay.prototype.addVerticalLine = function(opts) {
|
||
|
|
var line = new VerticalLine(opts);
|
||
|
|
this.objects.push(line);
|
||
|
|
this.objectNames.push(line.options.name);
|
||
|
|
};
|
||
|
|
|
||
|
|
$.jqplot.CanvasOverlay.prototype.addDashedVerticalLine = function(opts) {
|
||
|
|
var line = new DashedVerticalLine(opts);
|
||
|
|
this.objects.push(line);
|
||
|
|
this.objectNames.push(line.options.name);
|
||
|
|
};
|
||
|
|
|
||
|
|
$.jqplot.CanvasOverlay.prototype.removeObject = function(idx) {
|
||
|
|
// check if integer, remove by index
|
||
|
|
if ($.type(idx) == 'number') {
|
||
|
|
this.objects.splice(idx, 1);
|
||
|
|
this.objectNames.splice(idx, 1);
|
||
|
|
}
|
||
|
|
// if string, remove by name
|
||
|
|
else {
|
||
|
|
var id = $.inArray(idx, this.objectNames);
|
||
|
|
if (id != -1) {
|
||
|
|
this.objects.splice(id, 1);
|
||
|
|
this.objectNames.splice(id, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
$.jqplot.CanvasOverlay.prototype.getObject = function(idx) {
|
||
|
|
// check if integer, remove by index
|
||
|
|
if ($.type(idx) == 'number') {
|
||
|
|
return this.objects[idx];
|
||
|
|
}
|
||
|
|
// if string, remove by name
|
||
|
|
else {
|
||
|
|
var id = $.inArray(idx, this.objectNames);
|
||
|
|
if (id != -1) {
|
||
|
|
return this.objects[id];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Set get as alias for getObject.
|
||
|
|
$.jqplot.CanvasOverlay.prototype.get = $.jqplot.CanvasOverlay.prototype.getObject;
|
||
|
|
|
||
|
|
$.jqplot.CanvasOverlay.prototype.clear = function(plot) {
|
||
|
|
this.canvas._ctx.clearRect(0,0,this.canvas.getWidth(), this.canvas.getHeight());
|
||
|
|
};
|
||
|
|
|
||
|
|
$.jqplot.CanvasOverlay.prototype.draw = function(plot) {
|
||
|
|
var obj,
|
||
|
|
objs = this.objects,
|
||
|
|
mr = this.markerRenderer,
|
||
|
|
start,
|
||
|
|
stop;
|
||
|
|
if (this.options.show) {
|
||
|
|
this.canvas._ctx.clearRect(0,0,this.canvas.getWidth(), this.canvas.getHeight());
|
||
|
|
for (var k=0; k<objs.length; k++) {
|
||
|
|
obj = objs[k];
|
||
|
|
var opts = $.extend(true, {}, obj.options);
|
||
|
|
if (obj.options.show) {
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
mr.shadow = obj.options.shadow;
|
||
|
|
switch (obj.type) {
|
||
|
|
case 'line':
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
start = [plot.axes[obj.options.xaxis].series_u2p(obj.options.start[0]), plot.axes[obj.options.yaxis].series_u2p(obj.options.start[1])];
|
||
|
|
stop = [plot.axes[obj.options.xaxis].series_u2p(obj.options.stop[0]), plot.axes[obj.options.yaxis].series_u2p(obj.options.stop[1])];
|
||
|
|
mr.draw(start, stop, this.canvas._ctx, opts);
|
||
|
|
break;
|
||
|
|
case 'horizontalLine':
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.y != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
||
|
|
xstart,
|
||
|
|
xstop,
|
||
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
||
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
||
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
||
|
|
if (obj.options.xmin != null) {
|
||
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
||
|
|
}
|
||
|
|
else if (xminoff != null) {
|
||
|
|
if ($.type(xminoff) == "number") {
|
||
|
|
xstart = xaxis.series_u2p(xaxis.min + xminoff);
|
||
|
|
}
|
||
|
|
else if ($.type(xminoff) == "string") {
|
||
|
|
xstart = xaxis.series_u2p(xaxis.min) + parseFloat(xminoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (obj.options.xmax != null) {
|
||
|
|
xstop = xaxis.series_u2p(obj.options.xmax);
|
||
|
|
}
|
||
|
|
else if (xmaxoff != null) {
|
||
|
|
if ($.type(xmaxoff) == "number") {
|
||
|
|
xstop = xaxis.series_u2p(xaxis.max - xmaxoff);
|
||
|
|
}
|
||
|
|
else if ($.type(xmaxoff) == "string") {
|
||
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (xstop != null && xstart != null) {
|
||
|
|
mr.draw([xstart, y], [xstop, y], this.canvas._ctx, opts);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'dashedHorizontalLine':
|
||
|
|
|
||
|
|
var dashPat = obj.options.dashPattern;
|
||
|
|
var dashPatLen = 0;
|
||
|
|
for (var i=0; i<dashPat.length; i++) {
|
||
|
|
dashPatLen += dashPat[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.y != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
||
|
|
xstart,
|
||
|
|
xstop,
|
||
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
||
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
||
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
||
|
|
if (obj.options.xmin != null) {
|
||
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
||
|
|
}
|
||
|
|
else if (xminoff != null) {
|
||
|
|
if ($.type(xminoff) == "number") {
|
||
|
|
xstart = xaxis.series_u2p(xaxis.min + xminoff);
|
||
|
|
}
|
||
|
|
else if ($.type(xminoff) == "string") {
|
||
|
|
xstart = xaxis.series_u2p(xaxis.min) + parseFloat(xminoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (obj.options.xmax != null) {
|
||
|
|
xstop = xaxis.series_u2p(obj.options.xmax);
|
||
|
|
}
|
||
|
|
else if (xmaxoff != null) {
|
||
|
|
if ($.type(xmaxoff) == "number") {
|
||
|
|
xstop = xaxis.series_u2p(xaxis.max - xmaxoff);
|
||
|
|
}
|
||
|
|
else if ($.type(xmaxoff) == "string") {
|
||
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (xstop != null && xstart != null) {
|
||
|
|
var numDash = Math.ceil((xstop - xstart)/dashPatLen);
|
||
|
|
var b=xstart, e;
|
||
|
|
for (var i=0; i<numDash; i++) {
|
||
|
|
for (var j=0; j<dashPat.length; j+=2) {
|
||
|
|
e = b+dashPat[j];
|
||
|
|
mr.draw([b, y], [e, y], this.canvas._ctx, opts);
|
||
|
|
b += dashPat[j];
|
||
|
|
if (j < dashPat.length-1) {
|
||
|
|
b += dashPat[j+1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'verticalLine':
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.x != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
||
|
|
ystart,
|
||
|
|
ystop,
|
||
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
||
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
||
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
||
|
|
if (obj.options.ymin != null) {
|
||
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
||
|
|
}
|
||
|
|
else if (yminoff != null) {
|
||
|
|
if ($.type(yminoff) == "number") {
|
||
|
|
ystart = yaxis.series_u2p(yaxis.min - yminoff);
|
||
|
|
}
|
||
|
|
else if ($.type(yminoff) == "string") {
|
||
|
|
ystart = yaxis.series_u2p(yaxis.min) - parseFloat(yminoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (obj.options.ymax != null) {
|
||
|
|
ystop = yaxis.series_u2p(obj.options.ymax);
|
||
|
|
}
|
||
|
|
else if (ymaxoff != null) {
|
||
|
|
if ($.type(ymaxoff) == "number") {
|
||
|
|
ystop = yaxis.series_u2p(yaxis.max + ymaxoff);
|
||
|
|
}
|
||
|
|
else if ($.type(ymaxoff) == "string") {
|
||
|
|
ystop = yaxis.series_u2p(yaxis.max) + parseFloat(ymaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (ystop != null && ystart != null) {
|
||
|
|
mr.draw([x, ystart], [x, ystop], this.canvas._ctx, opts);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'dashedVerticalLine':
|
||
|
|
|
||
|
|
var dashPat = obj.options.dashPattern;
|
||
|
|
var dashPatLen = 0;
|
||
|
|
for (var i=0; i<dashPat.length; i++) {
|
||
|
|
dashPatLen += dashPat[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.x != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
||
|
|
ystart,
|
||
|
|
ystop,
|
||
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
||
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
||
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
||
|
|
if (obj.options.ymin != null) {
|
||
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
||
|
|
}
|
||
|
|
else if (yminoff != null) {
|
||
|
|
if ($.type(yminoff) == "number") {
|
||
|
|
ystart = yaxis.series_u2p(yaxis.min - yminoff);
|
||
|
|
}
|
||
|
|
else if ($.type(yminoff) == "string") {
|
||
|
|
ystart = yaxis.series_u2p(yaxis.min) - parseFloat(yminoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (obj.options.ymax != null) {
|
||
|
|
ystop = yaxis.series_u2p(obj.options.ymax);
|
||
|
|
}
|
||
|
|
else if (ymaxoff != null) {
|
||
|
|
if ($.type(ymaxoff) == "number") {
|
||
|
|
ystop = yaxis.series_u2p(yaxis.max + ymaxoff);
|
||
|
|
}
|
||
|
|
else if ($.type(ymaxoff) == "string") {
|
||
|
|
ystop = yaxis.series_u2p(yaxis.max) + parseFloat(ymaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (ystop != null && ystart != null) {
|
||
|
|
var numDash = Math.ceil((ystart - ystop)/dashPatLen);
|
||
|
|
var firstDashAdjust = ((numDash * dashPatLen) - (ystart - ystop))/2.0;
|
||
|
|
var b=ystart, e, bs, es;
|
||
|
|
for (var i=0; i<numDash; i++) {
|
||
|
|
for (var j=0; j<dashPat.length; j+=2) {
|
||
|
|
e = b - dashPat[j];
|
||
|
|
if (e < ystop) {
|
||
|
|
e = ystop;
|
||
|
|
}
|
||
|
|
if (b < ystop) {
|
||
|
|
b = ystop;
|
||
|
|
}
|
||
|
|
// es = e;
|
||
|
|
// if (i == 0) {
|
||
|
|
// es += firstDashAdjust;
|
||
|
|
// }
|
||
|
|
mr.draw([x, b], [x, e], this.canvas._ctx, opts);
|
||
|
|
b -= dashPat[j];
|
||
|
|
if (j < dashPat.length-1) {
|
||
|
|
b -= dashPat[j+1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// called within context of plot
|
||
|
|
// create a canvas which we can draw on.
|
||
|
|
// insert it before the eventCanvas, so eventCanvas will still capture events.
|
||
|
|
$.jqplot.CanvasOverlay.postPlotDraw = function() {
|
||
|
|
// Memory Leaks patch
|
||
|
|
if (this.plugins.canvasOverlay && this.plugins.canvasOverlay.highlightCanvas) {
|
||
|
|
this.plugins.canvasOverlay.highlightCanvas.resetCanvas();
|
||
|
|
this.plugins.canvasOverlay.highlightCanvas = null;
|
||
|
|
}
|
||
|
|
this.plugins.canvasOverlay.canvas = new $.jqplot.GenericCanvas();
|
||
|
|
|
||
|
|
this.eventCanvas._elem.before(this.plugins.canvasOverlay.canvas.createElement(this._gridPadding, 'jqplot-overlayCanvas-canvas', this._plotDimensions, this));
|
||
|
|
this.plugins.canvasOverlay.canvas.setContext();
|
||
|
|
if (!this.plugins.canvasOverlay.deferDraw) {
|
||
|
|
this.plugins.canvasOverlay.draw(this);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
$.jqplot.postInitHooks.push($.jqplot.CanvasOverlay.postPlotInit);
|
||
|
|
$.jqplot.postDrawHooks.push($.jqplot.CanvasOverlay.postPlotDraw);
|
||
|
|
|
||
|
|
})(jQuery);
|