flymis/WebRoot/dojojs/src/charting/svg/PlotArea.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.charting.svg.PlotArea");
dojo.require("dojo.lang.common");
dojo.require("dojo.svg");

dojo.extend(dojo.charting.PlotArea, {
	initializePlot: function(plot){
		//	summary
		//	Initialize the plot node for data rendering.
		plot.destroy();
		plot.dataNode = document.createElementNS(dojo.svg.xmlns.svg, "g");
		plot.dataNode.setAttribute("id", plot.getId());
		return plot.dataNode;	//	SVGGElement
	},
	initialize: function(){
		//	summary
		//	Initialize the PlotArea.
	
		this.destroy();	//	kill everything first.
		
		//	start with the background
		this.nodes.main = document.createElement("div");

		this.nodes.area = document.createElementNS(dojo.svg.xmlns.svg, "svg");
		this.nodes.area.setAttribute("id", this.getId());
		this.nodes.area.setAttribute("width", this.size.width);
		this.nodes.area.setAttribute("height", this.size.height);
		this.nodes.main.appendChild(this.nodes.area);

		var area=this.getArea();
		var defs = document.createElementNS(dojo.svg.xmlns.svg, "defs");
		var clip = document.createElementNS(dojo.svg.xmlns.svg, "clipPath");
		clip.setAttribute("id",this.getId()+"-clip");
		var rect = document.createElementNS(dojo.svg.xmlns.svg, "rect");		
		rect.setAttribute("x", area.left);
		rect.setAttribute("y", area.top);
		rect.setAttribute("width", area.right-area.left);
		rect.setAttribute("height", area.bottom-area.top);
		clip.appendChild(rect);
		defs.appendChild(clip);
		this.nodes.area.appendChild(defs);
		
		this.nodes.background = document.createElementNS(dojo.svg.xmlns.svg, "rect");
		this.nodes.background.setAttribute("id", this.getId()+"-background");
		this.nodes.background.setAttribute("width", this.size.width);
		this.nodes.background.setAttribute("height", this.size.height);
		this.nodes.background.setAttribute("fill", "#fff");
		this.nodes.area.appendChild(this.nodes.background);

		this.nodes.plots = document.createElementNS(dojo.svg.xmlns.svg, "g");
		this.nodes.plots.setAttribute("id", this.getId()+"-plots");