I hope this will give you a better picture: Just run it:
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; layout="vertical" verticalAlign="middle" backgroundColor="white" creationComplete="onCreationComplete()"> <mx:Script> <![CDATA[ import mx.controls.Alert; private function onCreationComplete() : void { trace("on Creation Complete"); systemManager.addEventListener(Event.DEACTIVATE, onDeactivate); systemManager.addEventListener(Event.ACTIVATE, onActivate); } private function onActivate(event : Event) : void { trace("Event.ACTIVATE is CAlled now"); } private function onDeactivate(event : Event) : void { trace("Event.DEACTIVE is fired for some reason"); } ]]> </mx:Script> </mx:Application> ------- Thanks & Regards, D On Thu, Apr 23, 2009 at 11:52 AM, Andriy Panas <[email protected]> wrote: > > > Hi Alex, > > I understand what is the meaning of Event.DEACTIVATE event. > > What I do not understand is why Event.DEACTIVATE is dispatched by > Flash player when the following example is run. > > <------------code starts---------------> > > <?xml version="1.0" encoding="utf-8"?> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > layout="vertical" > verticalAlign="middle" > backgroundColor="white" > creationComplete="onCreationComplete()"> > <mx:Script> > <![CDATA[ > import mx.controls.Alert; > > private function onCreationComplete() : void > { > systemManager.addEventListener(Event.DEACTIVATE, > onDeactivate, false, 0, true); > > } > > private function onDeactivate(event : Event) : void > { > trace("Event.DEACTIVE is fired for some reason") > } > ]]> > </mx:Script> > <mx:ArrayCollection id="arrColl"> > <mx:source> > <mx:Array> > <mx:Object label="Student A" score="10" /> > <mx:Object label="Student B" score="20" /> > <mx:Object label="Student C" score="30" /> > <mx:Object label="Student D" score="50" /> > <mx:Object label="Student A" score="10" /> > <mx:Object label="Student B" score="20" /> > <mx:Object label="Student C" score="30" /> > <mx:Object label="Student D" score="50" /> > </mx:Array> > </mx:source> > </mx:ArrayCollection> > <mx:DataGrid > editable="true" > width="100%" > height="200" > dataProvider="{arrColl}"> > <mx:columns> > <mx:DataGridColumn id="column1" > dataField="label" > editorDataField="value"> > <mx:itemEditor> > <mx:Component> > <mx:ComboBox> > <mx:dataProvider> > <mx:String>Student A</mx:String> > <mx:String>Student B</mx:String> > <mx:String>Student C</mx:String> > <mx:String>Student D</mx:String> > </mx:dataProvider> > </mx:ComboBox> > </mx:Component> > </mx:itemEditor> > > </mx:DataGridColumn> > </mx:columns> > </mx:DataGrid> > </mx:Application> > > <-------code ends------------------> > > I enter the Datagrid's first row item editor (which is Combobox > with editable="false") and then hit TAB key instantly without > releasing. > > By doing so I witness that "onDeactivate" event handler is fired > every time I move via keyboard tabbing to a new itemEditor. > > -- > Best regards, > Andriy Panas > > 2009/4/20 Alex Harui <[email protected] <aharui%40adobe.com>>: > > > > > > > DEACTIVATE is used to detect that the browser or some other application > is > > taking focus so we close any editor that may be up. > > >
