X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/0494b8d9b9bb03ab6c22b34dae81261e3cd7e3e6..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/src/direct/Direct.js

diff --git a/src/direct/Direct.js b/src/direct/Direct.js
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-/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-/**
- * @class Ext.Direct
- * @extends Ext.util.Observable
- * <p><b><u>Overview</u></b></p>
- *
- * <p>Ext.Direct aims to streamline communication between the client and server
- * by providing a single interface that reduces the amount of common code
- * typically required to validate data and handle returned data packets
- * (reading data, error conditions, etc).</p>
- *
- * <p>The Ext.direct namespace includes several classes for a closer integration
- * with the server-side. The Ext.data namespace also includes classes for working
- * with Ext.data.Stores which are backed by data from an Ext.Direct method.</p>
- *
- * <p><b><u>Specification</u></b></p>
- *
- * <p>For additional information consult the
- * <a href="http://extjs.com/products/extjs/direct.php">Ext.Direct Specification</a>.</p>
- *
- * <p><b><u>Providers</u></b></p>
- *
- * <p>Ext.Direct uses a provider architecture, where one or more providers are
- * used to transport data to and from the server. There are several providers
- * that exist in the core at the moment:</p><div class="mdetail-params"><ul>
- *
- * <li>{@link Ext.direct.JsonProvider JsonProvider} for simple JSON operations</li>
- * <li>{@link Ext.direct.PollingProvider PollingProvider} for repeated requests</li>
- * <li>{@link Ext.direct.RemotingProvider RemotingProvider} exposes server side
- * on the client.</li>
- * </ul></div>
- *
- * <p>A provider does not need to be invoked directly, providers are added via
- * {@link Ext.Direct}.{@link Ext.Direct#add add}.</p>
- *
- * <p><b><u>Router</u></b></p>
- *
- * <p>Ext.Direct utilizes a "router" on the server to direct requests from the client
- * to the appropriate server-side method. Because the Ext.Direct API is completely
- * platform-agnostic, you could completely swap out a Java based server solution
- * and replace it with one that uses C# without changing the client side JavaScript
- * at all.</p>
- *
- * <p><b><u>Server side events</u></b></p>
- *
- * <p>Custom events from the server may be handled by the client by adding
- * listeners, for example:</p>
- * <pre><code>
-{"type":"event","name":"message","data":"Successfully polled at: 11:19:30 am"}
-
-// add a handler for a 'message' event sent by the server
-Ext.Direct.on('message', function(e){
-    out.append(String.format('&lt;p>&lt;i>{0}&lt;/i>&lt;/p>', e.data));
-            out.el.scrollTo('t', 100000, true);
-});
- * </code></pre>
- * @singleton
- */
-Ext.Direct = Ext.extend(Ext.util.Observable, {
-    /**
-     * Each event type implements a getData() method. The default event types are:
-     * <div class="mdetail-params"><ul>
-     * <li><b><tt>event</tt></b> : Ext.Direct.Event</li>
-     * <li><b><tt>exception</tt></b> : Ext.Direct.ExceptionEvent</li>
-     * <li><b><tt>rpc</tt></b> : Ext.Direct.RemotingEvent</li>
-     * </ul></div>
-     * @property eventTypes
-     * @type Object
-     */
-
-    /**
-     * Four types of possible exceptions which can occur:
-     * <div class="mdetail-params"><ul>
-     * <li><b><tt>Ext.Direct.exceptions.TRANSPORT</tt></b> : 'xhr'</li>
-     * <li><b><tt>Ext.Direct.exceptions.PARSE</tt></b> : 'parse'</li>
-     * <li><b><tt>Ext.Direct.exceptions.LOGIN</tt></b> : 'login'</li>
-     * <li><b><tt>Ext.Direct.exceptions.SERVER</tt></b> : 'exception'</li>
-     * </ul></div>
-     * @property exceptions
-     * @type Object
-     */
-    exceptions: {
-        TRANSPORT: 'xhr',
-        PARSE: 'parse',
-        LOGIN: 'login',
-        SERVER: 'exception'
-    },
-
-    // private
-    constructor: function(){
-        this.addEvents(
-            /**
-             * @event event
-             * Fires after an event.
-             * @param {event} e The {@link Ext.Direct#eventTypes Ext.Direct.Event type} that occurred.
-             * @param {Ext.direct.Provider} provider The {@link Ext.direct.Provider Provider}.
-             */
-            'event',
-            /**
-             * @event exception
-             * Fires after an event exception.
-             * @param {event} e The {@link Ext.Direct#eventTypes Ext.Direct.Event type} that occurred.
-             */
-            'exception'
-        );
-        this.transactions = {};
-        this.providers = {};
-    },
-
-    /**
-     * Adds an Ext.Direct Provider and creates the proxy or stub methods to execute server-side methods.
-     * If the provider is not already connected, it will auto-connect.
-     * <pre><code>
-var pollProv = new Ext.direct.PollingProvider({
-    url: 'php/poll2.php'
-});
-
-Ext.Direct.addProvider(
-    {
-        "type":"remoting",       // create a {@link Ext.direct.RemotingProvider}
-        "url":"php\/router.php", // url to connect to the Ext.Direct server-side router.
-        "actions":{              // each property within the actions object represents a Class
-            "TestAction":[       // array of methods within each server side Class
-            {
-                "name":"doEcho", // name of method
-                "len":1
-            },{
-                "name":"multiply",
-                "len":1
-            },{
-                "name":"doForm",
-                "formHandler":true, // handle form on server with Ext.Direct.Transaction
-                "len":1
-            }]
-        },
-        "namespace":"myApplication",// namespace to create the Remoting Provider in
-    },{
-        type: 'polling', // create a {@link Ext.direct.PollingProvider}
-        url:  'php/poll.php'
-    },
-    pollProv // reference to previously created instance
-);
-     * </code></pre>
-     * @param {Object/Array} provider Accepts either an Array of Provider descriptions (an instance
-     * or config object for a Provider) or any number of Provider descriptions as arguments.  Each
-     * Provider description instructs Ext.Direct how to create client-side stub methods.
-     */
-    addProvider : function(provider){
-        var a = arguments;
-        if(a.length > 1){
-            for(var i = 0, len = a.length; i < len; i++){
-                this.addProvider(a[i]);
-            }
-            return;
-        }
-
-        // if provider has not already been instantiated
-        if(!provider.events){
-            provider = new Ext.Direct.PROVIDERS[provider.type](provider);
-        }
-        provider.id = provider.id || Ext.id();
-        this.providers[provider.id] = provider;
-
-        provider.on('data', this.onProviderData, this);
-        provider.on('exception', this.onProviderException, this);
-
-
-        if(!provider.isConnected()){
-            provider.connect();
-        }
-
-        return provider;
-    },
-
-    /**
-     * Retrieve a {@link Ext.direct.Provider provider} by the
-     * <b><tt>{@link Ext.direct.Provider#id id}</tt></b> specified when the provider is
-     * {@link #addProvider added}.
-     * @param {String} id Unique identifier assigned to the provider when calling {@link #addProvider}
-     */
-    getProvider : function(id){
-        return this.providers[id];
-    },
-
-    removeProvider : function(id){
-        var provider = id.id ? id : this.providers[id];
-        provider.un('data', this.onProviderData, this);
-        provider.un('exception', this.onProviderException, this);
-        delete this.providers[provider.id];
-        return provider;
-    },
-
-    addTransaction: function(t){
-        this.transactions[t.tid] = t;
-        return t;
-    },
-
-    removeTransaction: function(t){
-        delete this.transactions[t.tid || t];
-        return t;
-    },
-
-    getTransaction: function(tid){
-        return this.transactions[tid.tid || tid];
-    },
-
-    onProviderData : function(provider, e){
-        if(Ext.isArray(e)){
-            for(var i = 0, len = e.length; i < len; i++){
-                this.onProviderData(provider, e[i]);
-            }
-            return;
-        }
-        if(e.name && e.name != 'event' && e.name != 'exception'){
-            this.fireEvent(e.name, e);
-        }else if(e.type == 'exception'){
-            this.fireEvent('exception', e);
-        }
-        this.fireEvent('event', e, provider);
-    },
-
-    createEvent : function(response, extraProps){
-        return new Ext.Direct.eventTypes[response.type](Ext.apply(response, extraProps));
-    }
-});
-// overwrite impl. with static instance
-Ext.Direct = new Ext.Direct();
-
-Ext.Direct.TID = 1;
-Ext.Direct.PROVIDERS = {};
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