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Posted By

msdevweb on 03/03/11


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search index find arrayCollection


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Find Index on ArrayCollection for ComboBox Selection

 / Published in: ActionScript 3
 

Used to retriev a index, for example to select a item on a combobox with the arrayCollection as dataProvider.

Usage: comboBoxNames.selectedIndex = findIndex(arrayColNames, "fieldonarraycollection", "valuetocomparewithfieldinarraycoll");

Returns the arrayCollection index that corresponds to compared item. If item is not found on arrayCollection it return -1.

Expand | Embed | Plain Text 
  1. private function findIndex(dp:ArrayCollection, prop:String, what:String ):int {
  2. 		for(var k:int=0; k<dp.length; k++) {
  3. 			if(String(dp.getItemAt(k)[prop])==what) return k;
  4. 		}
  5. 	return -1;
  6. }

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