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Type: Posts; User: cgiamett

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    What to include in app.js (Ext JS 4.x)

    The following should be specified above the Ext.application declaration in app.js:
    Ext.Loader.setConfig({enabled:true}); Ext.require([ 'Ext.data.Store', ...
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    Loading JSON data from a web service into a combobox (Ext JS 4.x)

    Combo boxes don’t work like grids, in that you just can call the combo box “getStore().loadData” function and pass in the JSON data. I eventually found that you have to do several things in order to...
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    Displaying an iFrame at 100% height and width in a dynamic Panel (Ext JS 4.x)

    This ended up being pretty tricky. As it turns out you can use the html width attribute for the iFrame tag to set its width to 100%, however this won’t work for the height. For the height you have to...
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    Writing an asynchronous task that takes a parameter (Ext JS 4.x)

    I couldn’t actually find an example of how to do this in any of the documentation, forums, or the rest of the internet so I resorted to looking at the source code for Ext.util.TaskRunner. I was able...
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    Calculating the scrollbar height of an iFrame (Ext JS 4.x)

    Getting the height though is more tricky business, because the actual height is not available until after the content is loaded into the iframe. Just listen for the onload event right, no. Even after...
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    Adding columns dynamically to a GridPanel (Ext JS 4.x)

    This was a little confusing to figure out because doing this is very different in the various versions of Ext JS. In this example there is a GridPanel with columns A,B,C,D and at some point within...
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    Creating a dynamic TabPanel that contains dynamic GridPanels (Ext JS 4.x)

    This was in a case where the data needed to be displayed in a tab for each category, so tab A had grid A, tab B had grid B, and so on. The TabPanel was also only displayed in certain cases, which...
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    Various Ext4 blogs

    I had a case where I wanted to be able to click on an image and have it execute a transition within the Ext JS MVC framework. I originally looked into just using a regular button, but ran into...
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