How can access each item on a HorizontalList component
Hello
I would like to know how I can access each element on a HorizontalList component. What I want to do, it is something like this:
My HorizontalList:
< mx:HorizontalList
low = '0 '.
backgroundAlpha = "0.0".
ID = "catalogoOpciones".
columnCount = '3 '.
Height = "80".
hideEffect = "{esconderse}.
horizontalScrollPolicy = 'on '.
Selectable = "false".
showEffect = "{mostrarse}.
Width = "100%" >
< mx:itemRenderer >
< mx:Component >
< mx:VBox height = "100%" verticalGap = "0" horizontalAlign = "center" >
< mx:Label id = text = "{data.nombre 'title'}" textAlign = "center" styleName = "nombreOpcionDetallePlato" / > "
< mx:ComboBox id = dataProvider = "{data.opciones 'seleccion'}" labelField = 'label' labelFunction = "funcionLabelComboBox" styleName = "comboOpcionDetallePlato" change = "dispatchEvent (new Event ('cambioOpcion', true))" / > "
< mx:Script >
<! [CDATA]
public void funcionLabelComboBox(item:Object):String {}
Return item.label + ", $" + item.precio;
}
[]] >
< / mx:Script >
< / mx:VBox >
< / mx:Component >
< / mx:itemRenderer >
< / mx:HorizontalList >
What I want to do is to show on a screen to alert the index selected in each ComboBox on the horizontallist control:
for (var i: Number = 0; i <. horizontalListt.dataProvider length; i ++) {}
var index: Number = (horizontalListt.dataProvider.getChildAt (i) as ComboBox) SelectedIndex;
Alert.Show (index. ToString());
}
I should add that the horizontalList works fine, the only thing that gives me problems is access to every item in the list.
I thank very you much for your time and your help.
Sebastián Toro O.
You usually (very close to always) to change the data of dataProvider when list items base change of components. For the ComboBox change manager should do. List based components recycle their converters point, you have to run to the data.
Tags: Flex
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