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flex 3 making application height dynamic based on datagrid size

Answer 1

+1 A:

If your SWF embedding object has an ID (or any other means of unique identification, for that matter), then it is rather simple to change its size. Using jQuery, for example:

$("#swf").height(500);

This sets the height of the SWF to 500 pixels. It is fairly simple even without jQuery:

document.getElementById("swf").style.height = "500px";

To call javascript from inside Flash, use the ExternalInterface class, it has a static method for this purpose. (Alternatively, you may use the navigateToURL() static function with "javascript:" protocol.)

David Hanak 2009-03-23 09:06:26

the size of my application is actually dynamic so is there a way that i can render the swf object and then retrieve the height via javascript and tell the html page what height to expect?

combi001 2009-03-23 09:38:20

i dont want to be tied down to having to hard code the height when generating the swf

combi001 2009-03-23 09:39:02

Of course you don't. You need to add a resize listener in your flash code, and call the external javascript function from the listener with the appropriate size parameters.

David Hanak 2009-03-23 10:30:22

can you direct me to some examples of this - just to clarify, my browser already handles resize events, my senario is i need to retrieve the height so i can set the height of a portlet container it sits in

combi001 2009-03-23 10:44:33

I'd need to know more about your code to give samples. But if you look at the DataGrid class, I'm sure you'll find the events that are fired as elements are added/removed to it, and the methods that can be used to determine its current size.

David Hanak 2009-03-23 17:20:40

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flex 3 making application height dynamic based on datagrid size

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