Handle events for the menu bar and for the pop-up submenus.
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<!-- menus/MenuBarEventInfo.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"
creationComplete="initCollections();">
<fx:Script>
import mx.events.MenuEvent;
import mx.controls.Alert;
import mx.collections.*;
[Bindable]
public var menuBarCollection:XMLListCollection;
private var menubarXML:XMLList =<>
<menuitem label="Menu1">
<menuitem label="MenuItem 1-A" data="1A"/>
<menuitem label="MenuItem 1-B" data="1B"/>
</menuitem>
<menuitem label="Menu2">
<menuitem label="MenuItem 2-A" data="2A"/>
<menuitem label="MenuItem 2-B" data="2B"/>
</menuitem>
<menuitem label="Menu3" data="M3"/>
</>
// Event handler to initialize the MenuBar control.
private function initCollections():void {
menuBarCollection = new XMLListCollection(menubarXML);
}
// Event handler for the MenuBar control's change event.
private function changeHandler(event:MenuEvent):void {
// Only open the Alert for a selection in a pop-up submenu.
// The MenuEvent.menu property is null for a change event
// dispatched by the menu bar.
if (event.menu != null) {
Alert.show("Label: " + event.item.@label + "\n" +
"Data: " + event.item.@data, "Clicked menu item");
}
}
// Event handler for the MenuBar control's itemRollOver event.
private function rollOverHandler(event:MenuEvent):void {
rollOverTextArea.text = "type: " + event.type + "\n";
rollOverTextArea.text += "target menuBarIndex: " + event.index + "\n";
}
// Event handler for the MenuBar control's itemClick event.
private function itemClickHandler(event:MenuEvent):void {
itemClickTextArea.text = "type: " + event.type + "\n";
itemClickTextArea.text += "target menuBarIndex: " + event.index + "\n";
}
</fx:Script>
<mx:Panel title="MenuBar Control Example" height="75%" width="75%"
paddingTop="10" paddingLeft="10">
<mx:Label width="100%" color="blue" text="Select a menu item." />
<mx:MenuBar labelField="@label" dataProvider="{menuBarCollection}"
change="changeHandler(event);" itemClick="itemClickHandler(event);"
itemRollOver="rollOverHandler(event);" />
<mx:TextArea id="rollOverTextArea" width="200" height="100" />
<mx:TextArea id="itemClickTextArea" width="200" height="100" />
</mx:Panel>
</s:Application>
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