plotarea.js

初学者

/*
	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.vml.PlotArea");
dojo.require("dojo.lang.common");
if (dojo.render.vml.capable) {
	dojo.extend(dojo.charting.PlotArea, {resize:function () {
		var a = this.getArea();
		this.nodes.area.style.width = this.size.width + "px";
		this.nodes.area.style.height = this.size.height + "px";
		this.nodes.background.style.width = this.size.width + "px";
		this.nodes.background.style.height = this.size.height + "px";
		this.nodes.plots.width = this.size.width + "px";
		this.nodes.plots.height = this.size.height + "px";
		this.nodes.plots.style.clip = "rect(" + a.top + " " + a.right + " " + a.bottom + " " + a.left + ")";
		if (this.nodes.axes) {
			this.nodes.area.removeChild(this.nodes.axes);
		}
		var axes = this.nodes.axes = document.createElement("div");
		axes.id = this.getId() + "-axes";
		this.nodes.area.appendChild(axes);
		var ax = this.getAxes();
		for (var p in ax) {
			var obj = ax[p];
			axes.appendChild(obj.axis.initialize(this, obj.plot, obj.drawAgainst, obj.plane));
		}
	}, initializePlot:function (plot) {
		plot.destroy();
		plot.dataNode = document.createElement("div");
		plot.dataNode.id = plot.getId();
		return plot.dataNode;
	}, initialize:function () {
		this.destroy();
		var main = this.nodes.main = document.createElement("div");
		var area = this.nodes.area = document.createElement("div");
		area.id = this.getId();
		area.style.position = "absolute";
		main.appendChild(area);
		var bg = this.nodes.background = document.createElement("div");
		bg.id = this.getId() + "-background";
		bg.style.position = "absolute";
		bg.style.top = "0px";
		bg.style.left = "0px";
		bg.style.backgroundColor = "#fff";
		area.appendChild(bg);
		var a = this.getArea();
		var plots = this.nodes.plots = document.createElement("div");
		plots.id = this.getId() + "-plots";
		plots.style.position = "absolute";
		plots.style.top = "0px";
		plots.style.left = "0px";
		area.appendChild(plots);
		for (var i = 0; i < this.plots.length; i++) {
			plots.appendChild(this.initializePlot(this.plots[i]));
		}
		this.resize();
		return main;
	}});
}