Struts example source code file (YahooMap.js)

This example Struts source code file (YahooMap.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

app, id, map, please, the, yahoo, yahoo, yahoo_map_reg, ygeopoint, ygeopoint, yimage, ymap, ymap, ymarker

The Struts YahooMap.js source code

/*
	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 + "'>";
		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 () {
	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 (aPts) {
	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);
		minLon = Math.min(minLon, aPts[i].Lon);
		maxLon = Math.max(maxLon, aPts[i].Lon);
	}
	cLat = dojo.math.round((minLat + maxLat) / 2, 6);
	cLon = dojo.math.round((minLon + maxLon) / 2, 6);
	return new YGeoPoint(cLat, cLon);
}, setControls:function () {
	var methodmap = {maptype:"addTypeControl", pan:"addPanControl", zoomlong:"addZoomLong", zoomshort:"addZoomShort"};
	var c = this.controls;
	for (var i = 0; i < c.length; i++) {
		var controlMethod = methodmap[c[i].toLowerCase()];
		if (this.map[controlMethod]) {
			this.map[controlMethod]();
		}
	}
}, parse:function (table) {
	this.data = [];
	var h = table.getElementsByTagName("thead")[0];
	if (!h) {
		return;
	}
	var a = [];
	var cols = h.getElementsByTagName("td");
	if (cols.length == 0) {
		cols = h.getElementsByTagName("th");
	}
	for (var i = 0; i < cols.length; i++) {
		var c = cols[i].innerHTML.toLowerCase();
		if (c == "long") {
			c = "lng";
		}
		a.push(c);
	}
	var b = table.getElementsByTagName("tbody")[0];
	if (!b) {
		return;
	}
	for (var i = 0; i < b.childNodes.length; i++) {
		if (!(b.childNodes[i].nodeName && b.childNodes[i].nodeName.toLowerCase() == "tr")) {
			continue;
		}
		var cells = b.childNodes[i].getElementsByTagName("td");
		var o = {};
		for (var j = 0; j < a.length; j++) {
			var col = a[j];
			if (col == "lat" || col == "lng") {
				o[col] = parseFloat(cells[j].innerHTML);
			} else {
				o[col] = cells[j].innerHTML;
			}
		}
		this.data.push(o);
	}
}, render:function () {
	var pts = [];
	var d = this.data;
	for (var i = 0; i < d.length; i++) {
		var pt = new YGeoPoint(d[i].lat, d[i].lng);
		pts.push(pt);
		var icon = d[i].icon || null;
		if (icon) {
			icon = new YImage(icon);
		}
		var m = new YMarker(pt, icon);
		if (d[i].description) {
			m.addAutoExpand("<div>" + d[i].description + "

Other Struts examples (source code examples)

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•  The search page
•  Other Struts source code examples at this package level
•  Click here to learn more about this project