/*
	Copyright (c) 2004-2008, 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/book/dojo-book-0-9/introduction/licensing
*/


if(!dojo._hasResource["dijit.Declaration"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.Declaration"] = true;
dojo.provide("dijit.Declaration");
dojo.require("dijit._Widget");
dojo.require("dijit._Templated");

dojo.declare(
	"dijit.Declaration",
	dijit._Widget,
	{
		// summary:
		//		The Declaration widget allows a user to declare new widget
		//		classes directly from a snippet of markup.

		_noScript: true,
		widgetClass: "",
		replaceVars: true,
		defaults: null,
		mixins: [],
		buildRendering: function(){
			var src = this.srcNodeRef.parentNode.removeChild(this.srcNodeRef);
			var preambles = dojo.query("> script[type='dojo/method'][event='preamble']", src).orphan();
			var scripts = dojo.query("> script[type^='dojo/']", src).orphan();
			var srcType = src.nodeName;

			var propList = this.defaults||{};

			// map array of strings like [ "dijit.form.Button" ] to array of mixin objects
			// (note that dojo.map(this.mixins, dojo.getObject) doesn't work because it passes
			// a bogus third argument to getObject(), confusing it)
			this.mixins = this.mixins.length ?
				dojo.map(this.mixins, function(name){ return dojo.getObject(name); } ) :
				[ dijit._Widget, dijit._Templated ];

			if(preambles.length){
				// we only support one preamble. So be it.
				propList.preamble = dojo.parser._functionFromScript(preambles[0]);
			}

			var parsedScripts = dojo.map(scripts, function(s){
				var evt = s.getAttribute("event")||"postscript";
				return {
					event: evt,
					func: dojo.parser._functionFromScript(s)
				};
			});

			// do the connects for each <script type="dojo/connect" event="foo"> block and make
			// all <script type="dojo/method"> tags execute right after construction
			this.mixins.push(function(){
				dojo.forEach(parsedScripts, function(s){
					dojo.connect(this, s.event, this, s.func);
				}, this);
			});

			propList.widgetsInTemplate = true;
			propList._skipNodeCache = true;
			propList.templateString = "<"+srcType+" class='"+src.className+"' dojoAttachPoint='"+(src.getAttribute("dojoAttachPoint")||'')+"' dojoAttachEvent='"+(src.getAttribute("dojoAttachEvent")||'')+"' >"+src.innerHTML.replace(/\%7B/g,"{").replace(/\%7D/g,"}")+"</"+srcType+">";
			// console.debug(propList.templateString);

			// strip things so we don't create stuff under us in the initial setup phase
			dojo.query("[dojoType]", src).forEach(function(node){
				node.removeAttribute("dojoType");
			});

			// create the new widget class
			dojo.declare(
				this.widgetClass,
				this.mixins,
				propList
			);
		}
	}
);

}
