Are you using modules or sub-applications? Where does the data come from? It seems like it isn't being converted correctly. Have you proven that each collection contains the correct object and not Objects?
________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of florian.salihovic Sent: Tuesday, August 19, 2008 2:05 PM To: [email protected] Subject: [flexcoders] Re: ItemRenderer returns empty Object instead of encapsuled data - update Update: Using a for each loop shows me even the right value, but it's type is lost. override public function set data(value:Object):void { trace(describeType(value)); for each(var a:* in value) { trace(a) } if (this._item == value) { return; } super.data = value; if (value is IPlayListItem) { this._item = IPlayListItem(value); } this.dispatchEvent(new FlexEvent(FlexEvent.DATA_CHANGE)); } -> the condition value is IPLayListItem is actually never true. Best regards --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "florian.salihovic" <[EMAIL PROTECTED]> wrote: > > Something i forgot to add: > in the Debugger the passed Object, which is said to be not convertable in the desired > type, shows the right properties. > > Pretty strange to me. > > > > --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "florian.salihovic" <florian.salihovic@> wrote: > > > > Here is the stacktrace: > > TypeError: Error #1034: Typumwandlung fehlgeschlagen: [EMAIL PROTECTED] kann nicht > in > > de.blitzeinschlag.playlisteditor.model.playlists.IPlayListItem umgewandelt werden. > > at de.blitzeinschlag.playlisteditor.view.playlists.listClasses::ListItemRen derer/set > > > data()[/Users/florian/Workspaces/blitzeinschlag/PlayListEditor/src/de/bl itzeinschlag/playl > isteditor/view/playlists/listClasses/ListItemRenderer.mx > > ml:99] > > at > mx.controls::List/makeRowsAndColumns()[E:\dev\3.1.0\frameworks\projects\ framework\ > src\mx\controls\List.as:1286] > > at > > > mx.controls.listClasses::ListBase/makeRowsAndColumnsWithExtraRows()[E:\d ev\3.1.0\fra > meworks\projects\framework\src\mx\controls\listClasses > > \ListBase.as:1359] > > at > > > mx.controls.listClasses::ListBase/updateDisplayList()[E:\dev\3.1.0\frame works\projects\fr > amework\src\mx\controls\listClasses\ListBase.as:3657] > > at > mx.controls::List/updateDisplayList()[E:\dev\3.1.0\frameworks\projects\f ramework\src\m > x\controls\List.as:1003] > > at > > > mx.controls.listClasses::ListBase/validateDisplayList()[E:\dev\3.1.0\fra meworks\projects\f > ramework\src\mx\controls\listClasses\ListBase.as:3279] > > at > mx.managers::LayoutManager/validateDisplayList()[E:\dev\3.1.0\frameworks \projects\fra > mework\src\mx\managers\LayoutManager.as:605] > > at > > > mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\3.1.0\framewor ks\projects\ > framework\src\mx\managers\LayoutManager.as:678] > > at Function/http://adobe.com/AS3/2006/builtin::apply <http://adobe.com/AS3/2006/builtin::apply> () > > at > mx.core::UIComponent/callLaterDispatcher2()[E:\dev\3.1.0\frameworks\proj ects\framewo > rk\src\mx\core\UIComponent.as:8565] > > at > mx.core::UIComponent/callLaterDispatcher()[E:\dev\3.1.0\frameworks\proje cts\framewor > k\src\mx\core\UIComponent.as:8508] > > > > And this is the argument which is passed to the "set data"-field implementation: > > <type name="Object" isDynamic="true" isFinal="false" isStatic="false"> > > <method name="hasOwnProperty" declaredBy="Object" returnType="Boolean" > uri="http://adobe.com/AS3/2006/builtin <http://adobe.com/AS3/2006/builtin> "> > > <parameter index="1" type="*" optional="true"/> > > </method> > > <method name="isPrototypeOf" declaredBy="Object" returnType="Boolean" > uri="http://adobe.com/AS3/2006/builtin <http://adobe.com/AS3/2006/builtin> "> > > <parameter index="1" type="*" optional="true"/> > > </method> > > <method name="propertyIsEnumerable" declaredBy="Object" returnType="Boolean" > uri="http://adobe.com/AS3/2006/builtin <http://adobe.com/AS3/2006/builtin> "> > > <parameter index="1" type="*" optional="true"/> > > </method> > > </type> > > > > Any input would be thankfull! > > > > Best regards > > > > --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "Alex Harui" <aharui@> wrote: > > > > > > If you get an runtime exception, always use a debug build and post the > > > full stacktrace. > > > > > > > > > > > > ________________________________ > > > > > > From: [email protected] <mailto:flexcoders%40yahoogroups.com> [mailto:[email protected] <mailto:flexcoders%40yahoogroups.com> ] On > > > Behalf Of florian.salihovic > > > Sent: Monday, August 18, 2008 9:30 AM > > > To: [email protected] <mailto:flexcoders%40yahoogroups.com> > > > Subject: [flexcoders] ItemRenderer returns empty Object instead of > > > encapsuled data. > > > > > > > > > > > > I have two instances of mx:controls::List. Both use the same > > > ItemRenderer. A TypeError > > > occours, when i drop one item from one List into the other List. Instead > > > of the encapsuled > > > type (an instance of an interface, typed to the interface) just an empty > > > Ombject instance is > > > returned. > > > > > > I implement mx.core.IDataRenderer, > > > mx.controls.listClasses.IDropInListItemRenderer and > > > mx.controls.listClasses.IListItemRenderer in my component. Here is the > > > code for the > > > overwritten data and listData Propertys: > > > > > > private var _item:IPlayListItem; > > > private var _listData:BaseListData; > > > > > > [Bindable("dataChange")] > > > override public function get data():Object { > > > return this._item; > > > } > > > > > > [Bindable("dataChange")] > > > public function get listData():BaseListData { > > > return this._listData > > > } > > > > > > override public function set data(value:Object):void { > > > trace("ListItemRenderer.data: "+value); > > > super.data = value; > > > if (!value) { > > > return; > > > } > > > if (this._item == value) { > > > return; > > > } > > > if (value is IPlayListItem) { > > > super.data = IPlayListItem(value); > > > this._item = IPlayListItem(value); > > > } > > > this.dispatchEvent(new FlexEvent(FlexEvent.DATA_CHANGE)); > > > > > > } > > > > > > public function set listData(value:BaseListData):void { > > > if (this._listData == value) { > > > return; > > > } > > > this._listData = value; > > > this.dispatchEvent(new FlexEvent(FlexEvent.DATA_CHANGE)); > > > } > > > > > > What am i missing? > > > > > > Best regards! > > > > > >
