flymis/WebRoot/dojojs/src/widget/Manager.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.Manager");
dojo.require("dojo.lang.array");
dojo.require("dojo.lang.func");
dojo.require("dojo.event.*");

// Manager class
dojo.widget.manager = new function(){
	this.widgets = [];
	this.widgetIds = [];
	
	// map of widgetId-->widget for widgets without parents (top level widgets)
	this.topWidgets = {};

	var widgetTypeCtr = {};
	var renderPrefixCache = [];

	this.getUniqueId = function (widgetType) {
		var widgetId;
		do{
			widgetId = widgetType + "_" + (widgetTypeCtr[widgetType] != undefined ?
			++widgetTypeCtr[widgetType] : widgetTypeCtr[widgetType] = 0);
		}while(this.getWidgetById(widgetId));
		return widgetId;
	}

	this.add = function(widget){
		//dojo.profile.start("dojo.widget.manager.add");
		this.widgets.push(widget);
		// Opera9 uses ID (caps)
		if(!widget.extraArgs["id"]){
			widget.extraArgs["id"] = widget.extraArgs["ID"];
		}
		// FIXME: the rest of this method is very slow!
		if(widget.widgetId == ""){
			if(widget["id"]){
				widget.widgetId = widget["id"];
			}else if(widget.extraArgs["id"]){
				widget.widgetId = widget.extraArgs["id"];
			}else{
				widget.widgetId = this.getUniqueId(widget.widgetType);
			}
		}
		if(this.widgetIds[widget.widgetId]){
			dojo.debug("widget ID collision on ID: "+widget.widgetId);
		}
		this.widgetIds[widget.widgetId] = widget;
		// Widget.destroy already calls removeById(), so we don't need to
		// connect() it here
		//dojo.profile.end("dojo.widget.manager.add");
	}