-<html>\r
-<head>\r
- <title>The source code</title>\r
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
-</head>\r
-<body onload="prettyPrint();">\r
- <pre class="prettyprint lang-js"><div id="cls-Ext.state.Provider"></div>/**
- * @class Ext.state.Provider
- * Abstract base class for state provider implementations. This class provides methods
- * for encoding and decoding <b>typed</b> variables including dates and defines the
- * Provider interface.
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title>The source code</title>
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
+</head>
+<body onload="prettyPrint();">
+ <pre class="prettyprint lang-js">/*!
+ * Ext JS Library 3.3.0
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
*/
-Ext.state.Provider = function(){
- <div id="event-Ext.state.Provider-statechange"></div>/**
- * @event statechange
- * Fires when a state change occurs.
- * @param {Provider} this This state provider
- * @param {String} key The state key which was changed
- * @param {String} value The encoded value for the state
- */
- this.addEvents("statechange");
- this.state = {};
- Ext.state.Provider.superclass.constructor.call(this);
-};
-Ext.extend(Ext.state.Provider, Ext.util.Observable, {
- <div id="method-Ext.state.Provider-get"></div>/**
- * Returns the current value for a key
- * @param {String} name The key name
- * @param {Mixed} defaultValue A default value to return if the key's value is not found
- * @return {Mixed} The state data
+<div id="cls-Ext.direct.Provider"></div>/**
+ * @class Ext.direct.Provider
+ * @extends Ext.util.Observable
+ * <p>Ext.direct.Provider is an abstract class meant to be extended.</p>
+ *
+ * <p>For example ExtJs implements the following subclasses:</p>
+ * <pre><code>
+Provider
+|
++---{@link Ext.direct.JsonProvider JsonProvider}
+ |
+ +---{@link Ext.direct.PollingProvider PollingProvider}
+ |
+ +---{@link Ext.direct.RemotingProvider RemotingProvider}
+ * </code></pre>
+ * @abstract
+ */
+Ext.direct.Provider = Ext.extend(Ext.util.Observable, {
+ <div id="cfg-Ext.direct.Provider-id"></div>/**
+ * @cfg {String} id
+ * The unique id of the provider (defaults to an {@link Ext#id auto-assigned id}).
+ * You should assign an id if you need to be able to access the provider later and you do
+ * not have an object reference available, for example:
+ * <pre><code>
+Ext.Direct.addProvider(
+ {
+ type: 'polling',
+ url: 'php/poll.php',
+ id: 'poll-provider'
+ }
+);
+
+var p = {@link Ext.Direct Ext.Direct}.{@link Ext.Direct#getProvider getProvider}('poll-provider');
+p.disconnect();
+ * </code></pre>
*/
- get : function(name, defaultValue){
- return typeof this.state[name] == "undefined" ?
- defaultValue : this.state[name];
- },
+
+ <div id="cfg-Ext.direct.Provider-priority"></div>/**
+ * @cfg {Number} priority
+ * Priority of the request. Lower is higher priority, <tt>0</tt> means "duplex" (always on).
+ * All Providers default to <tt>1</tt> except for PollingProvider which defaults to <tt>3</tt>.
+ */
+ priority: 1,
- <div id="method-Ext.state.Provider-clear"></div>/**
- * Clears a value from the state
- * @param {String} name The key name
- */
- clear : function(name){
- delete this.state[name];
- this.fireEvent("statechange", this, name, null);
+ <div id="cfg-Ext.direct.Provider-type"></div>/**
+ * @cfg {String} type
+ * <b>Required</b>, <tt>undefined</tt> by default. The <tt>type</tt> of provider specified
+ * to {@link Ext.Direct Ext.Direct}.{@link Ext.Direct#addProvider addProvider} to create a
+ * new Provider. Acceptable values by default are:<div class="mdetail-params"><ul>
+ * <li><b><tt>polling</tt></b> : {@link Ext.direct.PollingProvider PollingProvider}</li>
+ * <li><b><tt>remoting</tt></b> : {@link Ext.direct.RemotingProvider RemotingProvider}</li>
+ * </ul></div>
+ */
+
+ // private
+ constructor : function(config){
+ Ext.apply(this, config);
+ this.addEvents(
+ <div id="event-Ext.direct.Provider-connect"></div>/**
+ * @event connect
+ * Fires when the Provider connects to the server-side
+ * @param {Ext.direct.Provider} provider The {@link Ext.direct.Provider Provider}.
+ */
+ 'connect',
+ <div id="event-Ext.direct.Provider-disconnect"></div>/**
+ * @event disconnect
+ * Fires when the Provider disconnects from the server-side
+ * @param {Ext.direct.Provider} provider The {@link Ext.direct.Provider Provider}.
+ */
+ 'disconnect',
+ <div id="event-Ext.direct.Provider-data"></div>/**
+ * @event data
+ * Fires when the Provider receives data from the server-side
+ * @param {Ext.direct.Provider} provider The {@link Ext.direct.Provider Provider}.
+ * @param {event} e The {@link Ext.Direct#eventTypes Ext.Direct.Event type} that occurred.
+ */
+ 'data',
+ <div id="event-Ext.direct.Provider-exception"></div>/**
+ * @event exception
+ * Fires when the Provider receives an exception from the server-side
+ */
+ 'exception'
+ );
+ Ext.direct.Provider.superclass.constructor.call(this, config);
},
- <div id="method-Ext.state.Provider-set"></div>/**
- * Sets the value for a key
- * @param {String} name The key name
- * @param {Mixed} value The value to set
+ <div id="method-Ext.direct.Provider-isConnected"></div>/**
+ * Returns whether or not the server-side is currently connected.
+ * Abstract method for subclasses to implement.
*/
- set : function(name, value){
- this.state[name] = value;
- this.fireEvent("statechange", this, name, value);
+ isConnected: function(){
+ return false;
},
- <div id="method-Ext.state.Provider-decodeValue"></div>/**
- * Decodes a string previously encoded with {@link #encodeValue}.
- * @param {String} value The value to decode
- * @return {Mixed} The decoded value
+ <div id="prop-Ext.direct.Provider-connect"></div>/**
+ * Abstract methods for subclasses to implement.
*/
- decodeValue : function(cookie){
- var re = /^(a|n|d|b|s|o)\:(.*)$/;
- var matches = re.exec(unescape(cookie));
- if(!matches || !matches[1]) return; // non state cookie
- var type = matches[1];
- var v = matches[2];
- switch(type){
- case "n":
- return parseFloat(v);
- case "d":
- return new Date(Date.parse(v));
- case "b":
- return (v == "1");
- case "a":
- var all = [];
- var values = v.split("^");
- for(var i = 0, len = values.length; i < len; i++){
- all.push(this.decodeValue(values[i]));
- }
- return all;
- case "o":
- var all = {};
- var values = v.split("^");
- for(var i = 0, len = values.length; i < len; i++){
- var kv = values[i].split("=");
- all[kv[0]] = this.decodeValue(kv[1]);
- }
- return all;
- default:
- return v;
- }
- },
-
- <div id="method-Ext.state.Provider-encodeValue"></div>/**
- * Encodes a value including type information. Decode with {@link #decodeValue}.
- * @param {Mixed} value The value to encode
- * @return {String} The encoded value
+ connect: Ext.emptyFn,
+
+ <div id="prop-Ext.direct.Provider-disconnect"></div>/**
+ * Abstract methods for subclasses to implement.
*/
- encodeValue : function(v){
- var enc;
- if(typeof v == "number"){
- enc = "n:" + v;
- }else if(typeof v == "boolean"){
- enc = "b:" + (v ? "1" : "0");
- }else if(Ext.isDate(v)){
- enc = "d:" + v.toGMTString();
- }else if(Ext.isArray(v)){
- var flat = "";
- for(var i = 0, len = v.length; i < len; i++){
- flat += this.encodeValue(v[i]);
- if(i != len-1) flat += "^";
- }
- enc = "a:" + flat;
- }else if(typeof v == "object"){
- var flat = "";
- for(var key in v){
- if(typeof v[key] != "function" && v[key] !== undefined){
- flat += key + "=" + this.encodeValue(v[key]) + "^";
- }
- }
- enc = "o:" + flat.substring(0, flat.length-1);
- }else{
- enc = "s:" + v;
- }
- return escape(enc);
- }
+ disconnect: Ext.emptyFn
});
-</pre> \r
-</body>\r
+</pre>
+</body>
</html>
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git.ithinksw.org / extjs.git / blobdiff