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    <p>Ok, i just found a solution which should cover all the problems described above:</p> <p>I add both, the <code>pressed</code> and <code>hovered</code> style directly to the header.</p> <p>To make sure that the header won't be polluted i just remove the style-elements dynamically with <code>jQuery</code>'s detach-function from the header before appending new ones.</p> <p><a href="http://jsfiddle.net/suamikim/c3eHh/1/" rel="nofollow">Working example</a></p> <p>And the code for the dynamic changing of the background:</p> <pre><code>function updateBackground() { var theWin = win || this, // neccessary because of the call from the afterrender-event btn = theWin.down('#btnTest'), bckgr = theWin.down('#btnBckgr').getValue(), bckgrHover = theWin.down('#btnBckgrHover').getValue(), bckgrPressed = theWin.down('#btnBckgrPressed').getValue(); // Set normal background as button-style // Should be ok $('#' + btn.id).css('background', bckgr); // Set the background for hovered and pressed button as document style // Remove style-element if it already exists to not pollute the document-head $('head style:contains("' + btn.id + ':hover")').detach(); $('&lt;style type="text/css"&gt; #' + btn.id + ':hover { background: ' + bckgrHover + ' !important } &lt;/style&gt;').appendTo('head'); $('head style:contains("' + btn.id + '.x-btn-pressed")').detach(); $('&lt;style type="text/css"&gt; .x-body #' + btn.id + '.x-btn-pressed { background: ' + bckgrPressed + ' !important } &lt;/style&gt;').appendTo('head'); }; </code></pre> <p>Seems to work for me but I'm still open for any suggestions/improvements to this!</p> <p>Thanks.</p>
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    1. POHow to change background of hovered and pressed extjs-button dynamically
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    1. USMihai Iorga
    1. USsuamikim
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    1. CONot really sure how this is better than my solution, to each his own I guess. Building the css in javascript it a lot of extra work and does not take advantage of browser caching. Your solution uses hard coded ids which makes it harder to maintain. Your solution is doing component queries to get references which is extra work that is not needed. Your solution is using jQuery inside of Ext which is a no no. Your solutions also goes out of the provided Ext api for adding css classes to buttons on pressed and hover.
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      1. USpllee
    2. CO@pllee As stated before i need a solution that can change the style DYNAMICALLY and i don't see how this could be accomplished with your solution because you use statically created & assigned css-classes. Please add a comment above and show me how your solution would work dynamically because i just don't see it...Thanks
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      1. USsuamikim
    3. COI'm sorry I thought dynamic css classes on the button itself like `new Ext.Button({overCls: 'red-button'); new Button({overCls: 'yellow-button'});` would have been sufficient enough.
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