Thanx for the info. This is really helpful to know. Is there perhaps a short example to start with?
Best regards and thanx for the help! --- In flexcoders@yahoogroups.com, "Alex Harui" <[EMAIL PROTECTED]> wrote: > > Ah, ok. The default copy mechanism won't work on typed objects unless > they are [RemoteClass] or use registerClassAlias. You can always > override the dragDrop handle and do your own intelligent copy. > > > > ________________________________ > > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On > Behalf Of florian.salihovic > Sent: Tuesday, August 19, 2008 3:18 PM > To: flexcoders@yahoogroups.com > Subject: [flexcoders] Re: ItemRenderer returns empty Object instead of > encapsuled data - update > > > > Hello Alex, > > dragMoveEnabled is making the difference. When i don't use any > ItemRenderer the called i > get [object PlayListItem] and the collections i wrapped in typed > methods. > > It seems like the DataGridDragProxy works not right, when > dragMoveEnabled is set to > false. Actually it does in my case as far as i can say. > > Best regards. > > --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > , "Alex Harui" <aharui@> wrote: > > > > 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: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > ] On > > Behalf Of florian.salihovic > > Sent: Tuesday, August 19, 2008 2:05 PM > > To: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > > 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 flexcoders@yahoogroups.com > <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> > > , "florian.salihovic" <florian.salihovic@> 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 flexcoders@yahoogroups.com > <mailto:flexcoders%40yahoogroups.com> > > <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> > > <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> > > <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> > > <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> > > <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 flexcoders@yahoogroups.com > <mailto:flexcoders%40yahoogroups.com> > > <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: flexcoders@yahoogroups.com > <mailto:flexcoders%40yahoogroups.com> > > <mailto:flexcoders%40yahoogroups.com> > > [mailto:flexcoders@yahoogroups.com > <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> > > ] On > > > > > Behalf Of florian.salihovic > > > > > Sent: Monday, August 18, 2008 9:30 AM > > > > > To: flexcoders@yahoogroups.com > <mailto:flexcoders%40yahoogroups.com> > > <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! > > > > > > > > > > > > > > >
