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1021 lines
44 KiB
1021 lines
44 KiB
2 years ago
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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: 1.0.8
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* Revision: 1250
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*
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* Copyright (c) 2009-2013 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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var objCounter = 0;
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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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this.highlightObjectIndex = null;
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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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case 'rectangle':
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this.addRectangle(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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function LineBase() {
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this.uid = null;
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this.type = null;
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this.gridStart = null;
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this.gridStop = null;
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this.tooltipWidthFactor = 0;
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this.options = {
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// prop: name
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// Optional name for the 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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// whether 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: showTooltip
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// Show a tooltip with data point values.
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showTooltip: false,
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// prop: showTooltipPrecision
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// Controls how close to line cursor must be to show tooltip.
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// Higher number = closer to line, lower number = farther from line.
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// 1.0 = cursor must be over line.
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showTooltipPrecision: 0.6,
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// prop: tooltipLocation
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// Where to position tooltip, 'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'
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tooltipLocation: 'nw',
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// prop: fadeTooltip
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// true = fade in/out tooltip, flase = show/hide tooltip
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fadeTooltip: true,
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// prop: tooltipFadeSpeed
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// 'slow', 'def', 'fast', or number of milliseconds.
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tooltipFadeSpeed: "fast",
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// prop: tooltipOffset
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// Pixel offset of tooltip from the highlight.
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tooltipOffset: 4,
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// prop: tooltipFormatString
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// Format string passed the x and y values of the cursor on the line.
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// e.g., 'Dogs: %.2f, Cats: %d'.
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tooltipFormatString: '%d, %d'
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};
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}
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function Rectangle(options) {
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LineBase.call(this);
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this.type = 'rectangle';
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var opts = {
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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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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, opts, options);
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if (this.options.showTooltipPrecision < 0.01) {
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this.options.showTooltipPrecision = 0.01;
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}
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}
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Rectangle.prototype = new LineBase();
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Rectangle.prototype.constructor = Rectangle;
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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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LineBase.call(this);
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this.type = 'line';
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var opts = {
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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, opts, options);
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if (this.options.showTooltipPrecision < 0.01) {
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this.options.showTooltipPrecision = 0.01;
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}
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}
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Line.prototype = new LineBase();
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Line.prototype.constructor = Line;
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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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LineBase.call(this);
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this.type = 'horizontalLine';
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var opts = {
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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, opts, options);
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if (this.options.showTooltipPrecision < 0.01) {
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this.options.showTooltipPrecision = 0.01;
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}
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}
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HorizontalLine.prototype = new LineBase();
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HorizontalLine.prototype.constructor = HorizontalLine;
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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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LineBase.call(this);
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this.type = 'dashedHorizontalLine';
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var opts = {
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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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$.extend(true, this.options, opts, options);
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if (this.options.showTooltipPrecision < 0.01) {
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this.options.showTooltipPrecision = 0.01;
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}
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}
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DashedHorizontalLine.prototype = new LineBase();
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DashedHorizontalLine.prototype.constructor = DashedHorizontalLine;
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/**
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* Class: VerticalLine
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* A straight vertical line.
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*/
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function VerticalLine(options) {
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LineBase.call(this);
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this.type = 'verticalLine';
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var opts = {
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x: null,
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ymin: null,
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ymax: null,
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yOffset: '6px', // number or string. Number interpreted as units, string as pixels.
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yminOffset: null,
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ymaxOffset: null
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};
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$.extend(true, this.options, opts, options);
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if (this.options.showTooltipPrecision < 0.01) {
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this.options.showTooltipPrecision = 0.01;
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}
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}
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VerticalLine.prototype = new LineBase();
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VerticalLine.prototype.constructor = VerticalLine;
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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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LineBase.call(this);
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this.type = 'dashedVerticalLine';
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this.start = null;
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this.stop = null;
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var opts = {
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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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||
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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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||
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$.extend(true, this.options, opts, options);
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||
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if (this.options.showTooltipPrecision < 0.01) {
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this.options.showTooltipPrecision = 0.01;
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}
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}
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||
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DashedVerticalLine.prototype = new LineBase();
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DashedVerticalLine.prototype.constructor = DashedVerticalLine;
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$.jqplot.CanvasOverlay.prototype.addLine = function(opts) {
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var line = new Line(opts);
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line.uid = objCounter++;
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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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$.jqplot.CanvasOverlay.prototype.addHorizontalLine = function(opts) {
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var line = new HorizontalLine(opts);
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line.uid = objCounter++;
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this.objects.push(line);
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this.objectNames.push(line.options.name);
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};
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$.jqplot.CanvasOverlay.prototype.addDashedHorizontalLine = function(opts) {
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var line = new DashedHorizontalLine(opts);
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line.uid = objCounter++;
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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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$.jqplot.CanvasOverlay.prototype.addVerticalLine = function(opts) {
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var line = new VerticalLine(opts);
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line.uid = objCounter++;
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this.objects.push(line);
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||
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this.objectNames.push(line.options.name);
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};
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$.jqplot.CanvasOverlay.prototype.addDashedVerticalLine = function(opts) {
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var line = new DashedVerticalLine(opts);
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||
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line.uid = objCounter++;
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this.objects.push(line);
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||
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this.objectNames.push(line.options.name);
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};
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$.jqplot.CanvasOverlay.prototype.addRectangle = function(opts) {
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||
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var line = new Rectangle(opts);
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||
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line.uid = objCounter++;
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||
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this.objects.push(line);
|
||
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this.objectNames.push(line.options.name);
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||
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};
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||
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||
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$.jqplot.CanvasOverlay.prototype.removeObject = function(idx) {
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||
|
|
// 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 = $.extend(true, {}, obj.options);
|
||
|
|
if (obj.options.show) {
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
mr.shadow = obj.options.shadow;
|
||
|
|
obj.tooltipWidthFactor = obj.options.lineWidth / obj.options.showTooltipPrecision;
|
||
|
|
switch (obj.type) {
|
||
|
|
case 'line':
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
start = [plot.axes[obj.options.xaxis].series_u2p(obj.options.start[0]), plot.axes[obj.options.yaxis].series_u2p(obj.options.start[1])];
|
||
|
|
stop = [plot.axes[obj.options.xaxis].series_u2p(obj.options.stop[0]), plot.axes[obj.options.yaxis].series_u2p(obj.options.stop[1])];
|
||
|
|
obj.gridStart = start;
|
||
|
|
obj.gridStop = stop;
|
||
|
|
mr.draw(start, stop, this.canvas._ctx, opts);
|
||
|
|
break;
|
||
|
|
case 'horizontalLine':
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.y != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
||
|
|
xstart,
|
||
|
|
xstop,
|
||
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
||
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
||
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
||
|
|
if (obj.options.xmin != null) {
|
||
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
||
|
|
}
|
||
|
|
else if (xminoff != null) {
|
||
|
|
if ($.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 ($.type(xmaxoff) == "string") {
|
||
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (xstop != null && xstart != null) {
|
||
|
|
obj.gridStart = [xstart, y];
|
||
|
|
obj.gridStop = [xstop, y];
|
||
|
|
mr.draw([xstart, y], [xstop, y], this.canvas._ctx, opts);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'dashedHorizontalLine':
|
||
|
|
|
||
|
|
var dashPat = obj.options.dashPattern;
|
||
|
|
var dashPatLen = 0;
|
||
|
|
for (var i=0; i<dashPat.length; i++) {
|
||
|
|
dashPatLen += dashPat[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.y != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
||
|
|
xstart,
|
||
|
|
xstop,
|
||
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
||
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
||
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
||
|
|
if (obj.options.xmin != null) {
|
||
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
||
|
|
}
|
||
|
|
else if (xminoff != null) {
|
||
|
|
if ($.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 ($.type(xmaxoff) == "string") {
|
||
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (xstop != null && xstart != null) {
|
||
|
|
obj.gridStart = [xstart, y];
|
||
|
|
obj.gridStop = [xstop, y];
|
||
|
|
var numDash = Math.ceil((xstop - xstart)/dashPatLen);
|
||
|
|
var b=xstart, e;
|
||
|
|
for (var i=0; i<numDash; i++) {
|
||
|
|
for (var j=0; j<dashPat.length; j+=2) {
|
||
|
|
e = b+dashPat[j];
|
||
|
|
mr.draw([b, y], [e, y], this.canvas._ctx, opts);
|
||
|
|
b += dashPat[j];
|
||
|
|
if (j < dashPat.length-1) {
|
||
|
|
b += dashPat[j+1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'verticalLine':
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.x != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
||
|
|
ystart,
|
||
|
|
ystop,
|
||
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
||
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
||
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
||
|
|
if (obj.options.ymin != null) {
|
||
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
||
|
|
}
|
||
|
|
else if (yminoff != null) {
|
||
|
|
if ($.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 ($.type(ymaxoff) == "string") {
|
||
|
|
ystop = yaxis.series_u2p(yaxis.max) + parseFloat(ymaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (ystop != null && ystart != null) {
|
||
|
|
obj.gridStart = [x, ystart];
|
||
|
|
obj.gridStop = [x, ystop];
|
||
|
|
mr.draw([x, ystart], [x, ystop], this.canvas._ctx, opts);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'dashedVerticalLine':
|
||
|
|
|
||
|
|
var dashPat = obj.options.dashPattern;
|
||
|
|
var dashPatLen = 0;
|
||
|
|
for (var i=0; i<dashPat.length; i++) {
|
||
|
|
dashPatLen += dashPat[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
if (obj.options.x != null) {
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = false;
|
||
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
||
|
|
ystart,
|
||
|
|
ystop,
|
||
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
||
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
||
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
||
|
|
if (obj.options.ymin != null) {
|
||
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
||
|
|
}
|
||
|
|
else if (yminoff != null) {
|
||
|
|
if ($.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 ($.type(ymaxoff) == "string") {
|
||
|
|
ystop = yaxis.series_u2p(yaxis.max) + parseFloat(ymaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (ystop != null && ystart != null) {
|
||
|
|
obj.gridStart = [x, ystart];
|
||
|
|
obj.gridStop = [x, ystop];
|
||
|
|
var numDash = Math.ceil((ystart - ystop)/dashPatLen);
|
||
|
|
var firstDashAdjust = ((numDash * dashPatLen) - (ystart - ystop))/2.0;
|
||
|
|
var b=ystart, e, bs, es;
|
||
|
|
for (var i=0; i<numDash; i++) {
|
||
|
|
for (var j=0; j<dashPat.length; j+=2) {
|
||
|
|
e = b - dashPat[j];
|
||
|
|
if (e < ystop) {
|
||
|
|
e = ystop;
|
||
|
|
}
|
||
|
|
if (b < ystop) {
|
||
|
|
b = ystop;
|
||
|
|
}
|
||
|
|
// es = e;
|
||
|
|
// if (i == 0) {
|
||
|
|
// es += firstDashAdjust;
|
||
|
|
// }
|
||
|
|
mr.draw([x, b], [x, e], this.canvas._ctx, opts);
|
||
|
|
b -= dashPat[j];
|
||
|
|
if (j < dashPat.length-1) {
|
||
|
|
b -= dashPat[j+1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'rectangle':
|
||
|
|
// style and shadow properties should be set before
|
||
|
|
// every draw of marker renderer.
|
||
|
|
mr.style = 'line';
|
||
|
|
opts.closePath = true;
|
||
|
|
|
||
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
||
|
|
xstart,
|
||
|
|
xstop,
|
||
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
||
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
||
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
||
|
|
if (obj.options.xmin != null) {
|
||
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
||
|
|
}
|
||
|
|
else if (xminoff != null) {
|
||
|
|
if ($.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 ($.type(xmaxoff) == "string") {
|
||
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
||
|
|
ystart,
|
||
|
|
ystop,
|
||
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
||
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
||
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
||
|
|
if (obj.options.ymin != null) {
|
||
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
||
|
|
}
|
||
|
|
else if (yminoff != null) {
|
||
|
|
if ($.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 (xstop != null && xstart != null && ystop != null && ystart != null) {
|
||
|
|
obj.gridStart = [xstart, ystart];
|
||
|
|
obj.gridStop = [xstop, ystop];
|
||
|
|
|
||
|
|
this.canvas._ctx.fillStyle = obj.options.color;
|
||
|
|
this.canvas._ctx.fillRect(xstart, ystart, xstop - xstart, ystop - ystart);
|
||
|
|
}
|
||
|
|
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() {
|
||
|
|
var co = this.plugins.canvasOverlay;
|
||
|
|
// Memory Leaks patch
|
||
|
|
if (co && co.highlightCanvas) {
|
||
|
|
co.highlightCanvas.resetCanvas();
|
||
|
|
co.highlightCanvas = null;
|
||
|
|
}
|
||
|
|
co.canvas = new $.jqplot.GenericCanvas();
|
||
|
|
|
||
|
|
this.eventCanvas._elem.before(co.canvas.createElement(this._gridPadding, 'jqplot-overlayCanvas-canvas', this._plotDimensions, this));
|
||
|
|
co.canvas.setContext();
|
||
|
|
if (!co.deferDraw) {
|
||
|
|
co.draw(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
var elem = document.createElement('div');
|
||
|
|
co._tooltipElem = $(elem);
|
||
|
|
elem = null;
|
||
|
|
co._tooltipElem.addClass('jqplot-canvasOverlay-tooltip');
|
||
|
|
co._tooltipElem.css({position:'absolute', display:'none'});
|
||
|
|
|
||
|
|
this.eventCanvas._elem.before(co._tooltipElem);
|
||
|
|
this.eventCanvas._elem.bind('mouseleave', { elem: co._tooltipElem }, function (ev) { ev.data.elem.hide(); });
|
||
|
|
|
||
|
|
var co = null;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
function showTooltip(plot, obj, gridpos, datapos) {
|
||
|
|
var co = plot.plugins.canvasOverlay;
|
||
|
|
var elem = co._tooltipElem;
|
||
|
|
|
||
|
|
var opts = obj.options, x, y;
|
||
|
|
|
||
|
|
elem.html($.jqplot.sprintf(opts.tooltipFormatString, datapos[0], datapos[1]));
|
||
|
|
|
||
|
|
switch (opts.tooltipLocation) {
|
||
|
|
case 'nw':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
||
|
|
break;
|
||
|
|
case 'n':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true)/2;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
||
|
|
break;
|
||
|
|
case 'ne':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left + opts.tooltipOffset;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
||
|
|
break;
|
||
|
|
case 'e':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left + opts.tooltipOffset;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top - elem.outerHeight(true)/2;
|
||
|
|
break;
|
||
|
|
case 'se':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left + opts.tooltipOffset;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top + opts.tooltipOffset;
|
||
|
|
break;
|
||
|
|
case 's':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true)/2;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top + opts.tooltipOffset;
|
||
|
|
break;
|
||
|
|
case 'sw':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top + opts.tooltipOffset;
|
||
|
|
break;
|
||
|
|
case 'w':
|
||
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top - elem.outerHeight(true)/2;
|
||
|
|
break;
|
||
|
|
default: // same as 'nw'
|
||
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
||
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
elem.css('left', x);
|
||
|
|
elem.css('top', y);
|
||
|
|
if (opts.fadeTooltip) {
|
||
|
|
// Fix for stacked up animations. Thnanks Trevor!
|
||
|
|
elem.stop(true,true).fadeIn(opts.tooltipFadeSpeed);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
elem.show();
|
||
|
|
}
|
||
|
|
elem = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function isNearLine(point, lstart, lstop, width) {
|
||
|
|
// r is point to test, p and q are end points.
|
||
|
|
var rx = point[0];
|
||
|
|
var ry = point[1];
|
||
|
|
var px = Math.round(lstop[0]);
|
||
|
|
var py = Math.round(lstop[1]);
|
||
|
|
var qx = Math.round(lstart[0]);
|
||
|
|
var qy = Math.round(lstart[1]);
|
||
|
|
|
||
|
|
var l = Math.sqrt(Math.pow(px-qx, 2) + Math.pow(py-qy, 2));
|
||
|
|
|
||
|
|
// scale error term by length of line.
|
||
|
|
var eps = width*l;
|
||
|
|
var res = Math.abs((qx-px) * (ry-py) - (qy-py) * (rx-px));
|
||
|
|
var ret = (res < eps) ? true : false;
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function isNearRectangle(point, lstart, lstop, width) {
|
||
|
|
// r is point to test, p and q are end points.
|
||
|
|
var rx = point[0];
|
||
|
|
var ry = point[1];
|
||
|
|
var px = Math.round(lstop[0]);
|
||
|
|
var py = Math.round(lstop[1]);
|
||
|
|
var qx = Math.round(lstart[0]);
|
||
|
|
var qy = Math.round(lstart[1]);
|
||
|
|
|
||
|
|
var temp;
|
||
|
|
if (px > qx) { temp = px; px = qx; qx = temp; }
|
||
|
|
if (py > qy) { temp = py; py = qy; qy = temp; }
|
||
|
|
|
||
|
|
var ret = (rx >= px && rx <= qx && ry >= py && ry <= qy);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function handleMove(ev, gridpos, datapos, neighbor, plot) {
|
||
|
|
var co = plot.plugins.canvasOverlay;
|
||
|
|
var objs = co.objects;
|
||
|
|
var l = objs.length;
|
||
|
|
var obj, haveHighlight=false;
|
||
|
|
var elem;
|
||
|
|
for (var i=0; i<l; i++) {
|
||
|
|
obj = objs[i];
|
||
|
|
if (obj.options.showTooltip) {
|
||
|
|
var n;
|
||
|
|
if (obj.type === 'rectangle') {
|
||
|
|
n = isNearRectangle([gridpos.x, gridpos.y], obj.gridStart, obj.gridStop, obj.tooltipWidthFactor);
|
||
|
|
} else {
|
||
|
|
n = isNearLine([gridpos.x, gridpos.y], obj.gridStart, obj.gridStop, obj.tooltipWidthFactor);
|
||
|
|
}
|
||
|
|
datapos = [plot.axes[obj.options.xaxis].series_p2u(gridpos.x), plot.axes[obj.options.yaxis].series_p2u(gridpos.y)];
|
||
|
|
|
||
|
|
// cases:
|
||
|
|
// near line, no highlighting
|
||
|
|
// near line, highliting on this line
|
||
|
|
// near line, highlighting another line
|
||
|
|
// not near any line, highlighting
|
||
|
|
// not near any line, no highlighting
|
||
|
|
|
||
|
|
// near line, not currently highlighting
|
||
|
|
if (n && co.highlightObjectIndex == null) {
|
||
|
|
switch (obj.type) {
|
||
|
|
case 'line':
|
||
|
|
showTooltip(plot, obj, [gridpos.x, gridpos.y], datapos);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'horizontalLine':
|
||
|
|
case 'dashedHorizontalLine':
|
||
|
|
showTooltip(plot, obj, [gridpos.x, obj.gridStart[1]], [datapos[0], obj.options.y]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'verticalLine':
|
||
|
|
case 'dashedVerticalLine':
|
||
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'rectangle':
|
||
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
co.highlightObjectIndex = i;
|
||
|
|
haveHighlight = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// near line, highlighting another line.
|
||
|
|
else if (n && co.highlightObjectIndex !== i) {
|
||
|
|
// turn off tooltip.
|
||
|
|
elem = co._tooltipElem;
|
||
|
|
if (obj.fadeTooltip) {
|
||
|
|
elem.fadeOut(obj.tooltipFadeSpeed);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
elem.hide();
|
||
|
|
}
|
||
|
|
|
||
|
|
// turn on right tooltip.
|
||
|
|
switch (obj.type) {
|
||
|
|
case 'line':
|
||
|
|
showTooltip(plot, obj, [gridpos.x, gridpos.y], datapos);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'horizontalLine':
|
||
|
|
case 'dashedHorizontalLine':
|
||
|
|
showTooltip(plot, obj, [gridpos.x, obj.gridStart[1]], [datapos[0], obj.options.y]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'verticalLine':
|
||
|
|
case 'dashedVerticalLine':
|
||
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'rectangle':
|
||
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
co.highlightObjectIndex = i;
|
||
|
|
haveHighlight = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// near line, already highlighting this line, update
|
||
|
|
else if (n) {
|
||
|
|
switch (obj.type) {
|
||
|
|
case 'line':
|
||
|
|
showTooltip(plot, obj, [gridpos.x, gridpos.y], datapos);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'horizontalLine':
|
||
|
|
case 'dashedHorizontalLine':
|
||
|
|
showTooltip(plot, obj, [gridpos.x, obj.gridStart[1]], [datapos[0], obj.options.y]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'verticalLine':
|
||
|
|
case 'dashedVerticalLine':
|
||
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'rectangle':
|
||
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
haveHighlight = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// check if we are highlighting and not near a line, turn it off.
|
||
|
|
if (!haveHighlight && co.highlightObjectIndex !== null) {
|
||
|
|
elem = co._tooltipElem;
|
||
|
|
obj = co.getObject(co.highlightObjectIndex);
|
||
|
|
if (obj.fadeTooltip) {
|
||
|
|
elem.fadeOut(obj.tooltipFadeSpeed);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
elem.hide();
|
||
|
|
}
|
||
|
|
co.highlightObjectIndex = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$.jqplot.postInitHooks.push($.jqplot.CanvasOverlay.postPlotInit);
|
||
|
|
$.jqplot.postDrawHooks.push($.jqplot.CanvasOverlay.postPlotDraw);
|
||
|
|
$.jqplot.eventListenerHooks.push(['jqplotMouseMove', handleMove]);
|
||
|
|
|
||
|
|
})(jQuery);
|