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Path: /data/applications/aps.bak/phprojekt/6.0.6-0/standard/htdocs/htdocs/dojo/dojox/mobile/app/ [ Home ]
File: _base.js
/*
	Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.mobile.app._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.mobile.app._base"] = true;
dojo.provide("dojox.mobile.app._base");
dojo.experimental("dojox.mobile.app._base");

dojo.require("dijit._base");
dojo.require("dijit._Widget");
dojo.require("dojox.mobile");
dojo.require("dojox.mobile.parser");

dojo.require("dojox.mobile.app._event");
dojo.require("dojox.mobile.app._Widget");
dojo.require("dojox.mobile.app.StageController");
dojo.require("dojox.mobile.app.SceneController");
dojo.require("dojox.mobile.app.SceneAssistant");
dojo.require("dojox.mobile.app.AlertDialog");
dojo.require("dojox.mobile.app.List");
dojo.require("dojox.mobile.app.ListSelector");
dojo.require("dojox.mobile.app.TextBox");
dojo.require("dojox.mobile.app.ImageView");
dojo.require("dojox.mobile.app.ImageThumbView");

(function(){

	var stageController;
	var appInfo;

	var jsDependencies = [
		"dojox.mobile",
		"dojox.mobile.parser"
	];
	
	var loadedResources = {};
	var loadingDependencies;

	var rootNode;
	
	var sceneResources = [];

	// Load the required resources asynchronously, since not all mobile OSes
	// support dojo.require and sync XHR
	function loadResources(resources, callback){
		// summary:
		//		Loads one or more JavaScript files asynchronously. When complete,
		//		the first scene is pushed onto the stack.
		// resources:
		//		An array of module names, e.g. 'dojox.mobile.AlertDialog'
		
		var resource;
		var url;
		
		do {
			resource = resources.pop();
			if (resource.source) {
				url = resource.source;
			}else if (resource.module) {
				url = dojo.baseUrl + dojo._getModuleSymbols(resource.module).join("/") + '.js';
			}else {
				alert("Error: invalid JavaScript resource " + dojo.toJson(resource));
				return;
			}
		}while (resources.length > 0 && loadedResources[url]);
		
		if(resources.length < 1 && loadedResources[url]){
			console.log("All resources already loaded");
			// All resources have already been loaded
			callback();
			return;
		}
		
		console.log("loading url " + url);
	
		dojo.xhrGet({
			url: url,
			sync: false
		}).addCallbacks(function(text){
			dojo["eval"](text);
	
			if(resources.length > 0){
				loadResources(resources, callback);
			}else{
				callback();
			}
		},
		function(){
			alert("Failed to load resource " + url);
		});
	}
	
	var pushFirstScene = function(){
		// summary:
		//		Pushes the first scene onto the stack.

		stageController = new dojox.mobile.app.StageController(rootNode);
		var defaultInfo = {
			id: "com.test.app",
			version: "1.0.0",
			initialScene: "main"
		};

		// If the application info has been defined, as it should be,
		// use it.
		if(window["appInfo"]){
			dojo.mixin(defaultInfo, window["appInfo"]);
		}
		appInfo = dojox.mobile.app.info = defaultInfo;

		// Set the document title from the app info title if it exists
		if(appInfo.title){
			var titleNode = dojo.query("head title")[0] ||
							dojo.create("title", {},dojo.query("head")[0]);
			document.title = appInfo.title;
		}

		stageController.pushScene(appInfo.initialScene);
	}

	dojo.mixin(dojox.mobile.app, {
		init: function(node){
			// summary:
			//    Initializes the mobile app. Creates the
	
			rootNode = node || dojo.body();
	
//			loadingDependencies = dojo.clone(jsDependencies);
//			loadResources(loadingDependencies, function(){dojox.mobile.app._pushFirstScene()});
	
			dojo.subscribe("/dojox/mobile/app/goback", function(){
				stageController.popScene();
			});
	
			dojo.subscribe("/dojox/mobile/app/alert", function(params){
				dojox.mobile.app.getActiveSceneController().showAlertDialog(params);
			});
			
			// Get the list of files to load per scene/view
			dojo.xhrGet({
				url: "view-resources.json",
				load: function(data){
					var resources = [];
					
					if(data){
						// Should be an array
						sceneResources = data = dojo.fromJson(data);
						
						console.log("Got scene resources", sceneResources);
						
						// Get the list of files to load that have no scene
						// specified, and therefore should be loaded on
						// startup
						for(var i = 0; i < data.length; i++){
							if(!data[i].scene){
								resources.push(data[i]);
							}
						}
					}
					if(resources.length > 0){
						console.log("Loading initial resources");
						loadResources(resources, pushFirstScene);
					}else{
						console.log("No initial resources");
						pushFirstScene();
					}
				},
				error: pushFirstScene
			});
//			pushFirstScene();
		},
		
		getActiveSceneController: function(){
			// summary:
			//		Gets the controller for the active scene.

			return stageController.getActiveSceneController();
		},
	
		getStageController: function(){
			// summary:
			//		Gets the stage controller.
			return stageController;
		},
		
		loadResources: function(resources, callback){
			loadResources(resources, callback);
		},
		
		loadResourcesForScene: function(sceneName, callback){
			var resources = [];
			
			// Get the list of files to load that have no scene
			// specified, and therefore should be loaded on
			// startup
			for(var i = 0; i < sceneResources.length; i++){
				if(sceneResources[i].scene == sceneName){
					resources.push(sceneResources[i]);
				}
			}
			
			if(resources.length > 0){
				console.log("Loading " + resources.length + " resources for" +
								sceneName);
				loadResources(resources, callback);
			}else{
				callback();
			}
		},
	
		resolveTemplate: function(sceneName){
			// summary:
			//		Given the name of a scene, returns the path to it's template
			//		file.  For example, for a scene named 'main', the file
			//		returned is 'app/views/main/main-scene.html'
			//		This function can be overridden if it is desired to have
			//		a different name to file mapping.
			return "app/views/" + sceneName + "/" + sceneName + "-scene.html";
		},
	
		resolveAssistant: function(sceneName){
			// summary:
			//		Given the name of a scene, returns the path to it's assistant
			//		file.  For example, for a scene named 'main', the file
			//		returned is 'app/assistants/main-assistant.js'
			//		This function can be overridden if it is desired to have
			//		a different name to file mapping.
			return "app/assistants/" + sceneName + "-assistant.js";
		}
	});
})();

}