flymis/WebRoot/dojojs/src/charting/svg/Axis.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.Axis");
dojo.require("dojo.lang.common");

dojo.extend(dojo.charting.Axis, {
	renderLines: function(
		/* dojo.charting.PlotArea */plotArea, 
		/* dojo.charting.Plot */plot, 
		/* string */plane
	){
		//	summary
		//	Renders any reference lines for this axis.
		if(this.nodes.lines){
			while(this.nodes.lines.childNodes.length > 0){
				this.nodes.lines.removeChild(this.nodes.lines.childNodes[0]);
			}
			if(this.nodes.lines.parentNode){
				this.nodes.lines.parentNode.removeChild(this.nodes.lines);
				this.nodes.lines = null;
			}
		}
		
		var area = plotArea.getArea();
		var g = this.nodes.lines = document.createElementNS(dojo.svg.xmlns.svg, "g");
		g.setAttribute("id", this.getId()+"-lines");
		for(var i=0; i<this._labels.length; i++){
			if (this._labels[i].value == this.origin){ continue; }

			var v = this.getCoord(this._labels[i].value, plotArea, plot);
			var l=document.createElementNS(dojo.svg.xmlns.svg, "line");
			l.setAttribute("style","stroke:#999;stroke-width:1px;stroke-dasharray:1,4;");
			if(plane == "x"){
				l.setAttribute("y1",area.top);
				l.setAttribute("y2",area.bottom);
				l.setAttribute("x1",v);
				l.setAttribute("x2",v);
			}
			else if (plane == "y"){
				l.setAttribute("y1",v);
				l.setAttribute("y2",v);
				l.setAttribute("x1",area.left);
				l.setAttribute("x2",area.right);
			}
			g.appendChild(l);
		}
		return g;	//	SVGGElement
	},
	renderTicks: function(
		/* dojo.charting.PlotArea */plotArea, 
		/* dojo.charting.Plot */plot, 
		/* string */plane,