flymis/WebRoot/dojojs/src/widget/YahooMap.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.widget.YahooMap");
dojo.require("dojo.event.*");
dojo.require("dojo.math");
dojo.require("dojo.widget.*");
dojo.require("dojo.widget.HtmlWidget");

(function(){
	var yappid = djConfig["yAppId"]||djConfig["yahooAppId"]||"dojotoolkit";
	if(!dojo.hostenv.post_load_){
		if(yappid == "dojotoolkit"){
			dojo.debug("please provide a unique Yahoo App ID in djConfig.yahooAppId when using the map widget");
		}
		var tag = "<scr"+"ipt src='http://api.maps.yahoo.com/ajaxymap?v=3.0&appid="+yappid+"'></scri"+"pt>";
		if(!dj_global["YMap"]){
			document.write(tag);
		}
	}else{
		dojo.debug("cannot initialize map system after the page has been loaded! Please either manually include the script block provided by Yahoo in your page or require() the YahooMap widget before onload has fired");
	}
})();

dojo.widget.defineWidget(
	"dojo.widget.YahooMap",
	dojo.widget.HtmlWidget,
	function(){
		//	summary
		//	Initialize properties of the widget.
		this.map=null;
		this.datasrc="";
		this.data=[];
		this.width=0;
		this.height=0;
		this.controls=["zoomlong","maptype","pan"];
	},
{
	isContainer: false,
	templatePath:null,
	templateCssPath:null,

	findCenter:function(/* array */aPts){
		//	summary
		//	Find the center lat/lng coordinate based on the passed points.
		var start=new YGeoPoint(37,-90);
		if(aPts.length==0) return start;
		var minLat,maxLat, minLon, maxLon, cLat, cLon;
		minLat=maxLat=aPts[0].Lat;
		minLon=maxLon=aPts[0].Lon;
		for(var i=0; i<aPts.length; i++){
			minLat=Math.min(minLat,aPts[i].Lat);
			maxLat=Math.max(maxLat,aPts[i].Lat);