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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>KeyNav.js</title><link rel="stylesheet" type="text/css" href="../resources/style.css" media="screen"/></head><body><h1>KeyNav.js</h1><pre class="highlighted"><code><i>/**
* @class Ext.KeyNav
* Provides a convenient wrapper <b>for</b> normalized keyboard navigation. KeyNav allows you to bind
* navigation keys to <b>function</b> calls that will get called when the keys are pressed.
* &lt;br /&gt;Usage:
&lt;pre&gt;&lt;code&gt;
<b>var</b> nav = <b>new</b> Ext.KeyNav(&quot;my-element&quot;, {
&quot;left&quot; : <b>function</b>(e){
<b>this</b>.moveLeft(e.ctrlKey);
},
&quot;right&quot; : <b>function</b>(e){
<b>this</b>.moveRight(e.ctrlKey);
},
&quot;enter&quot; : <b>function</b>(e){
<b>this</b>.save();
},
scope : <b>this</b>
});
&lt;/code&gt;&lt;/pre&gt;
* @constructor
* @param {String/HTMLElement/Ext.Element} el The element to bind to
* @param {Object} config The config
*/</i>
Ext.KeyNav = <b>function</b>(el, config){
<b>this</b>.el = Ext.get(el);
Ext.apply(<b>this</b>, config);
<b>if</b>(!<b>this</b>.disabled){
<b>this</b>.disabled = true;
<b>this</b>.enable();
}
};
Ext.KeyNav.prototype = {
disabled : false,
defaultEventAction: &quot;stopEvent&quot;,
prepareEvent : <b>function</b>(e){
<b>var</b> k = e.getKey();
<b>var</b> h = <b>this</b>.keyToHandler[k];
<i>//<b>if</b>(h &amp;&amp; <b>this</b>[h]){</i>
<i>// e.stopPropagation();</i>
<i>//}</i>
<b>if</b>(Ext.isSafari &amp;&amp; h &amp;&amp; k &gt;= 37 &amp;&amp; k &lt;= 40){
e.stopEvent();
}
},
relay : <b>function</b>(e){
<b>var</b> k = e.getKey();
<b>var</b> h = <b>this</b>.keyToHandler[k];
<b>if</b>(h &amp;&amp; <b>this</b>[h]){
<b>if</b>(this.doRelay(e, <b>this</b>[h], h) !== true){
e[<b>this</b>.defaultEventAction]();
}
}
},
doRelay : <b>function</b>(e, h, hname){
<b>return</b> h.call(<b>this</b>.scope || <b>this</b>, e);
},
<i>// possible handlers</i>
enter : false,
left : false,
right : false,
up : false,
down : false,
tab : false,
esc : false,
pageUp : false,
pageDown : false,
del : false,
home : false,
end : false,
<i>// quick lookup hash</i>
keyToHandler : {
37 : &quot;left&quot;,
39 : &quot;right&quot;,
38 : &quot;up&quot;,
40 : &quot;down&quot;,
33 : &quot;pageUp&quot;,
34 : &quot;pageDown&quot;,
46 : &quot;del&quot;,
36 : &quot;home&quot;,
35 : &quot;end&quot;,
13 : &quot;enter&quot;,
27 : &quot;esc&quot;,
9 : &quot;tab&quot;
},
<i>/**
* Enable <b>this</b> KeyNav
*/</i>
enable: <b>function</b>(){
<b>if</b>(this.disabled){
<i>// ie won't <b>do</b> special keys on keypress, no one <b>else</b> will repeat keys <b>with</b> keydown</i>
<i>// the EventObject will normalize Safari automatically</i>
<b>if</b>(Ext.isIE){
<b>this</b>.el.on(&quot;keydown&quot;, <b>this</b>.relay, <b>this</b>);
}<b>else</b>{
<b>this</b>.el.on(&quot;keydown&quot;, <b>this</b>.prepareEvent, <b>this</b>);
<b>this</b>.el.on(&quot;keypress&quot;, <b>this</b>.relay, <b>this</b>);
}
<b>this</b>.disabled = false;
}
},
<i>/**
* Disable <b>this</b> KeyNav
*/</i>
disable: <b>function</b>(){
<b>if</b>(!<b>this</b>.disabled){
<b>if</b>(Ext.isIE){
<b>this</b>.el.un(&quot;keydown&quot;, <b>this</b>.relay);
}<b>else</b>{
<b>this</b>.el.un(&quot;keydown&quot;, <b>this</b>.prepareEvent);
<b>this</b>.el.un(&quot;keypress&quot;, <b>this</b>.relay);
}
<b>this</b>.disabled = true;
}
}
};</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>
</body></html>