X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/source/state/Provider.js diff --git a/source/state/Provider.js b/source/state/Provider.js deleted file mode 100644 index 6d2147d7..00000000 --- a/source/state/Provider.js +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Ext JS Library 2.2.1 - * Copyright(c) 2006-2009, Ext JS, LLC. - * licensing@extjs.com - * - * http://extjs.com/license - */ - -/** - * @class Ext.state.Provider - * Abstract base class for state provider implementations. This class provides methods - * for encoding and decoding typed variables including dates and defines the - * Provider interface. - */ -Ext.state.Provider = function(){ - /** - * @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, { - /** - * 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 - */ - get : function(name, defaultValue){ - return typeof this.state[name] == "undefined" ? - defaultValue : this.state[name]; - }, - - /** - * 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); - }, - - /** - * Sets the value for a key - * @param {String} name The key name - * @param {Mixed} value The value to set - */ - set : function(name, value){ - this.state[name] = value; - this.fireEvent("statechange", this, name, value); - }, - - /** - * Decodes a string previously encoded with {@link #encodeValue}. - * @param {String} value The value to decode - * @return {Mixed} The decoded value - */ - 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; - } - }, - - /** - * Encodes a value including type information. Decode with {@link #decodeValue}. - * @param {Mixed} value The value to encode - * @return {String} The encoded value - */ - 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); - } -});