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upgraded yui to 2.2.2 and yui-ext to 1.0.1a

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JT Smith 2007-07-05 04:23:55 +00:00
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<html><head><title>State.js</title><link rel="stylesheet" type="text/css" href="../resources/style.css" media="screen"/></head><body><h1>State.js</h1><pre class="highlighted"><code><i>/**
* @class Ext.state.Provider
* Abstract base class <b>for</b> state provider implementations. This class provides methods
* <b>for</b> encoding and decoding &lt;b&gt;typed&lt;/b&gt; variables including dates and defines the
* Provider interface.
*/</i>
Ext.state.Provider = <b>function</b>(){
Ext.state.Provider.superclass.constructor.call(<b>this</b>);
<i>/**
* @event statechange
* Fires when a state change occurs.
* @param {Provider} <b>this</b> This state provider
* @param {String} key The state key which was changed
* @param {String} value The encoded value <b>for</b> the state
*/</i>
<b>this</b>.addEvents({
&quot;statechange&quot;: true
});
<b>this</b>.state = {};
Ext.state.Provider.superclass.constructor.call(<b>this</b>);
};
Ext.extend(Ext.state.Provider, Ext.util.Observable, {
<i>/**
* Returns the current value <b>for</b> a key
* @param {String} name The key name
* @param {Mixed} defaultValue A <b>default</b> value to <b>return</b> if the key's value is not found
* @<b>return</b> {Mixed} The state data
*/</i>
get : <b>function</b>(name, defaultValue){
<b>return</b> typeof <b>this</b>.state[name] == &quot;undefined&quot; ?
defaultValue : <b>this</b>.state[name];
},
<i>/**
* Clears a value from the state
* @param {String} name The key name
*/</i>
clear : <b>function</b>(name){
<b>delete</b> this.state[name];
<b>this</b>.fireEvent(&quot;statechange&quot;, <b>this</b>, name, null);
},
<i>/**
* Sets the value <b>for</b> a key
* @param {String} name The key name
* @param {Mixed} value The value to set
*/</i>
set : <b>function</b>(name, value){
<b>this</b>.state[name] = value;
<b>this</b>.fireEvent(&quot;statechange&quot;, <b>this</b>, name, value);
},
<i>/**
* Decodes a string previously encoded <b>with</b> {@link #encodeValue}.
* @param {String} value The value to decode
* @<b>return</b> {Mixed} The decoded value
*/</i>
decodeValue : <b>function</b>(cookie){
<b>var</b> re = /^(a|n|d|b|s|o)\:(.*)$/;
<b>var</b> matches = re.exec(unescape(cookie));
<b>if</b>(!matches || !matches[1]) <b>return</b>; <i>// non state cookie</i>
<b>var</b> type = matches[1];
<b>var</b> v = matches[2];
<b>switch</b>(type){
<b>case</b> &quot;n&quot;:
<b>return</b> parseFloat(v);
<b>case</b> &quot;d&quot;:
<b>return</b> new Date(Date.parse(v));
<b>case</b> &quot;b&quot;:
<b>return</b> (v == &quot;1&quot;);
<b>case</b> &quot;a&quot;:
<b>var</b> all = [];
<b>var</b> values = v.split(&quot;^&quot;);
<b>for</b>(var i = 0, len = values.length; i &lt; len; i++){
all.push(<b>this</b>.decodeValue(values[i]));
}
<b>return</b> all;
<b>case</b> &quot;o&quot;:
<b>var</b> all = {};
<b>var</b> values = v.split(&quot;^&quot;);
<b>for</b>(var i = 0, len = values.length; i &lt; len; i++){
<b>var</b> kv = values[i].split(&quot;=&quot;);
all[kv[0]] = <b>this</b>.decodeValue(kv[1]);
}
<b>return</b> all;
<b>default</b>:
<b>return</b> v;
}
},
<i>/**
* Encodes a value including type information. Decode <b>with</b> {@link #decodeValue}.
* @param {Mixed} value The value to encode
* @<b>return</b> {String} The encoded value
*/</i>
encodeValue : <b>function</b>(v){
<b>var</b> enc;
<b>if</b>(typeof v == &quot;number&quot;){
enc = &quot;n:&quot; + v;
}<b>else</b> if(<b>typeof</b> v == &quot;boolean&quot;){
enc = &quot;b:&quot; + (v ? &quot;1&quot; : &quot;0&quot;);
}<b>else</b> if(v instanceof Date){
enc = &quot;d:&quot; + v.toGMTString();
}<b>else</b> if(v instanceof Array){
<b>var</b> flat = &quot;&quot;;
<b>for</b>(var i = 0, len = v.length; i &lt; len; i++){
flat += <b>this</b>.encodeValue(v[i]);
<b>if</b>(i != len-1) flat += &quot;^&quot;;
}
enc = &quot;a:&quot; + flat;
}<b>else</b> if(<b>typeof</b> v == &quot;object&quot;){
<b>var</b> flat = &quot;&quot;;
<b>for</b>(var key <b>in</b> v){
<b>if</b>(typeof v[key] != &quot;<b>function</b>&quot;){
flat += key + &quot;=&quot; + <b>this</b>.encodeValue(v[key]) + &quot;^&quot;;
}
}
enc = &quot;o:&quot; + flat.substring(0, flat.length-1);
}<b>else</b>{
enc = &quot;s:&quot; + v;
}
<b>return</b> escape(enc);
}
});
<i>/**
* @class Ext.state.Manager
* This is the global state manager. By <b>default</b> all components that are &quot;state aware&quot; check <b>this</b> class
* <b>for</b> state information <b>if</b> you don't pass them a custom state provider. In order <b>for</b> this class
* to be useful, it must be initialized <b>with</b> a provider when your application initializes.
&lt;pre&gt;&lt;code&gt;
<i>// <b>in</b> your initialization <b>function</b></i>
init : <b>function</b>(){
Ext.state.Manager.setProvider(<b>new</b> Ext.state.CookieProvider());
...
<i>// supposed you have a {@link Ext.BorderLayout}</i>
<b>var</b> layout = <b>new</b> Ext.BorderLayout(...);
layout.restoreState();
<i>// or a {Ext.BasicDialog}</i>
<b>var</b> dialog = <b>new</b> Ext.BasicDialog(...);
dialog.restoreState();
&lt;/code&gt;&lt;/pre&gt;
* @singleton
*/</i>
Ext.state.Manager = <b>function</b>(){
<b>var</b> provider = <b>new</b> Ext.state.Provider();
<b>return</b> {
<i>/**
* Configures the <b>default</b> state provider <b>for</b> your application
* @param {Provider} stateProvider The state provider to set
*/</i>
setProvider : <b>function</b>(stateProvider){
provider = stateProvider;
},
<i>/**
* Returns the current value <b>for</b> a key
* @param {String} name The key name
* @param {Mixed} defaultValue The <b>default</b> value to <b>return</b> if the key lookup does not match
* @<b>return</b> {Mixed} The state data
*/</i>
get : <b>function</b>(key, defaultValue){
<b>return</b> provider.get(key, defaultValue);
},
<i>/**
* Sets the value <b>for</b> a key
* @param {String} name The key name
* @param {Mixed} value The state data
*/</i>
set : <b>function</b>(key, value){
provider.set(key, value);
},
<i>/**
* Clears a value from the state
* @param {String} name The key name
*/</i>
clear : <b>function</b>(key){
provider.clear(key);
},
<i>/**
* Gets the currently configured state provider
* @<b>return</b> {Provider} The state provider
*/</i>
getProvider : <b>function</b>(){
<b>return</b> provider;
}
};
}();
<i>/**
* @class Ext.state.CookieProvider
* @extends Ext.state.Provider
* The <b>default</b> Provider implementation which saves state via cookies.
* &lt;br /&gt;Usage:
&lt;pre&gt;&lt;code&gt;
<b>var</b> cp = <b>new</b> Ext.state.CookieProvider({
path: &quot;/cgi-bin/&quot;,
expires: <b>new</b> Date(<b>new</b> Date().getTime()+(1000*60*60*24*30)); <i>//30 days</i>
domain: &quot;extjs.com&quot;
})
Ext.state.Manager.setProvider(cp);
&lt;/code&gt;&lt;/pre&gt;
* @cfg {String} path The path <b>for</b> which the cookie is active (defaults to root '/' which makes it active <b>for</b> all pages <b>in</b> the site)
* @cfg {Date} expires The cookie expiration date (defaults to 7 days from now)
* @cfg {String} domain The domain to save the cookie <b>for</b>. Note that you cannot specify a different domain than
* your page is on, but you can specify a sub-domain, or simply the domain itself like 'extjs.com' to include
* all sub-domains <b>if</b> you need to access cookies across different sub-domains (defaults to null which uses the same
* domain the page is running on including the 'www' like 'www.extjs.com')
* @cfg {Boolean} secure True <b>if</b> the site is using SSL (defaults to false)
* @constructor
* Create a <b>new</b> CookieProvider
* @param {Object} config The configuration object
*/</i>
Ext.state.CookieProvider = <b>function</b>(config){
Ext.state.CookieProvider.superclass.constructor.call(<b>this</b>);
<b>this</b>.path = &quot;/&quot;;
<b>this</b>.expires = <b>new</b> Date(<b>new</b> Date().getTime()+(1000*60*60*24*7)); <i>//7 days</i>
<b>this</b>.domain = null;
<b>this</b>.secure = false;
Ext.apply(<b>this</b>, config);
<b>this</b>.state = <b>this</b>.readCookies();
};
Ext.extend(Ext.state.CookieProvider, Ext.state.Provider, {
<i>// private</i>
set : <b>function</b>(name, value){
<b>if</b>(typeof value == &quot;undefined&quot; || value === null){
<b>this</b>.clear(name);
<b>return</b>;
}
<b>this</b>.setCookie(name, value);
Ext.state.CookieProvider.superclass.set.call(<b>this</b>, name, value);
},
<i>// private</i>
clear : <b>function</b>(name){
<b>this</b>.clearCookie(name);
Ext.state.CookieProvider.superclass.clear.call(<b>this</b>, name);
},
<i>// private</i>
readCookies : <b>function</b>(){
<b>var</b> cookies = {};
<b>var</b> c = document.cookie + &quot;;&quot;;
<b>var</b> re = /\s?(.*?)=(.*?);/g;
<b>var</b> matches;
<b>while</b>((matches = re.exec(c)) != null){
<b>var</b> name = matches[1];
<b>var</b> value = matches[2];
<b>if</b>(name &amp;&amp; name.substring(0,3) == &quot;ys-&quot;){
cookies[name.substr(3)] = <b>this</b>.decodeValue(value);
}
}
<b>return</b> cookies;
},
<i>// private</i>
setCookie : <b>function</b>(name, value){
document.cookie = &quot;ys-&quot;+ name + &quot;=&quot; + <b>this</b>.encodeValue(value) +
((<b>this</b>.expires == null) ? &quot;&quot; : (&quot;; expires=&quot; + <b>this</b>.expires.toGMTString())) +
((<b>this</b>.path == null) ? &quot;&quot; : (&quot;; path=&quot; + <b>this</b>.path)) +
((<b>this</b>.domain == null) ? &quot;&quot; : (&quot;; domain=&quot; + <b>this</b>.domain)) +
((<b>this</b>.secure == true) ? &quot;; secure&quot; : &quot;&quot;);
},
<i>// private</i>
clearCookie : <b>function</b>(name){
document.cookie = &quot;ys-&quot; + name + &quot;=null; expires=Thu, 01-Jan-70 00:00:01 GMT&quot; +
((<b>this</b>.path == null) ? &quot;&quot; : (&quot;; path=&quot; + <b>this</b>.path)) +
((<b>this</b>.domain == null) ? &quot;&quot; : (&quot;; domain=&quot; + <b>this</b>.domain)) +
((<b>this</b>.secure == true) ? &quot;; secure&quot; : &quot;&quot;);
}
});
</code></pre><hr><div style="font-size:10px;text-align:center;color:gray;">Ext - Copyright &copy; 2006-2007 Ext JS, LLC<br />All rights reserved.</div>
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