call functions in parent (?) of (?) window popup

I don't know the terms parent or window in flex 4.

I want to call functions in the parent of the parent window.

It seems to be difficult.

Help me please.

Thanks in advance.

========================== index.mxml ==========================
(root element: < mx:Application >-xmlns:mx = "http://www.adobe.com/2006/mxml")
a Main.mxml inside

========================== Main.mxml ==========================
(root element: < s:NavigatorContent >-xmlns:s = "library://ns.adobe.com/flex/spark")

public function functInMain (): void
{
do something
}
protected function dataGrid_itemDoubleClickHandler(event:ListEvent):void
{
var arr:ArrayCollection = event.currentTarget.dataProvider;

var titleWindowInstance:Popup =
Popup (PopUpManager.createPopUp (this,
Popup,
true));
titleWindowInstance.rowData = arr.getItemAt (event.rowIndex);
PopUpManager.centerPopUp (titleWindowInstance);
}

========================== Popup.mxml ==========================

protected function buttonClickedInpopup (): void
{

Application.application.parentDocument.functInMain (null); / / < <-here, I want to correct

}

Application.application appeal should work if the method you want to call is public.

There is also another way to do it: with a callback function.

In your pop-up:

private var _callbackFunction:Function;

public function set callbackFunction( value:Function ):void {
     _callbackFunction = value;
}

protected function buttonClickedInpopup():void {
     _callbackFunction(null);
}

And in your Main.mxml:

var titleWindowInstance:Popup = Popup(PopUpManager.createPopUp(this, Popup, true));
titleWindowInstance.rowData =  arr.getItemAt(event.rowIndex);
titleWindowInstance.callbackFunction = functInMain;
PopUpManager.centerPopUp(titleWindowInstance);

Tags: Flex

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