1 files changed, 93 insertions, 0 deletions
diff --git a/js/dojo/dojox/geo/charting/widget/Legend.js b/js/dojo/dojox/geo/charting/widget/Legend.js
new file mode 100644
index 0000000..f307d77
--- /dev/null
+++ b/js/dojo/dojox/geo/charting/widget/Legend.js
@@ -0,0 +1,93 @@
+//>>built
+
+define("dojox/geo/charting/widget/Legend", ["dojo/_base/kernel", "dojo/_base/lang","dojo/_base/array", "dojo/_base/declare","dojo/_base/html","dojo/dom",
+		 "dojo/dom-construct","dojo/dom-class", "dojo/_base/window", "dijit/_Widget"],
+							function(dojo, lang, arr, declare, html,dom,domConstruct,domClass, win, Widget) {
+
+return declare("dojox.geo.charting.widget.Legend",Widget, {
+	// summary:
+	//		A legend widget displaying association between colors and Feature value ranges. 
+	//
+	//	description:
+	//		This widget basically is a table comprising (icon,string) pairs, describing the color scheme
+	//		used for the map and its associated text descriptions.	 
+	// 
+	
+	//	example:
+	// |	var legend = new dojox.geo.charting.widget.Legend({
+	// |		map: map
+	// |	});
+	horizontal:true,
+	legendBody:null,
+	swatchSize:18,
+	map:null,
+	postCreate: function(){
+		//	summary:
+		//		inherited Dijit's postCreate function		
+		//	tags:
+		//		protected
+		if(!this.map){return;}
+		this.series = this.map.series;
+		if (!this.domNode.parentNode) {
+			// compatibility with older version : add to map domNode if not already attached to a parentNode.
+			dom.byId(this.map.container).appendChild(this.domNode);
+		}
+		this.refresh();
+	},
+	buildRendering: function(){ 
+		//	summary:
+		//		Construct the UI for this widget, creates the underlying real dojox.geo.charting.Map object.		
+		//	tags:
+		//		protected
+		this.domNode = domConstruct.create("table",   
+					{role: "group", "class": "dojoxLegendNode"});  
+		this.legendBody = domConstruct.create("tbody", null, this.domNode);  
+		this.inherited(arguments);  
+ 	},  
+
+	refresh:function(){
+		//	summary:
+		//		Refreshes this legend contents when Map series has changed.		
+		// cleanup
+		while(this.legendBody.lastChild){
+			domConstruct.destroy(this.legendBody.lastChild);
+		}
+		
+		if(this.horizontal){
+			domClass.add(this.domNode,"dojoxLegendHorizontal");
+			this._tr = win.doc.createElement("tr");
+			this.legendBody.appendChild(this._tr);
+		}
+		
+		var s = this.series;
+		if(s.length == 0){return;}
+		
+		arr.forEach(s,function(x){
+			this._addLabel(x.color, x.name);
+		},this);
+	},
+	_addLabel:function(color,label){
+		var icon = win.doc.createElement("td");
+		var text = win.doc.createElement("td");
+		var div = win.doc.createElement("div");
+		domClass.add(icon, "dojoxLegendIcon");
+		domClass.add(text, "dojoxLegendText");
+		div.style.width  = this.swatchSize + "px";
+		div.style.height = this.swatchSize + "px";
+		icon.appendChild(div);
+		
+		if(this.horizontal){
+			this._tr.appendChild(icon);
+			this._tr.appendChild(text);
+		}else{
+			var tr = win.doc.createElement("tr");
+			this.legendBody.appendChild(tr);
+			tr.appendChild(icon);
+			tr.appendChild(text);
+		}
+		
+		div.style.background = color;
+		text.innerHTML = String(label);
+	}
+});
+});