Hello Cajus,
thank you very much for the code. Ill take a look at it ASAP and let
you know whats wrong. Ill took a little look at it already and as i
feared it still looks like a bug in the controller. Your code looks
correct so its not your fault. ;)
Best,
Martin
Am 07.04.2009 um 14:16 schrieb Cajus Pollmeier:
> Hi Martin, hi Christian,
>
> just tracked it down to the setDelegate call of the tree controller.
> If I remove it, it works fine. Hm. Is there some general fault in my
> idea of using the delegation?
>
> I've attached a simple sample application.
>
> Thanks,
> Cajus
>
> Martin Wittemann schrieb:
>> Hello Cajus,
>> really looks like you said, rootNode is null. With your push into
>> a children array you change the length of a model node. So you
>> could check the __changeModelChildren method, which calls the
>> __updateTreeChildren method. This method fetches the reference to
>> the tree node from an internal store of nodes called
>> __childrenRef. Perhaps the nodes array is not stored correctly.
>> You should can have a look at that first.
>> But as christian said, it would be best for us to have a code
>> snippet which demonstrates the error so i can get into detail for
>> myself and fix the bug in the tree controller right away. Because
>> this sounds like a bug in the tree controller to me.
>> Best,
>> Martin
>> Am 07.04.2009 um 10:49 schrieb Cajus Pollmeier:
>>> Hi Christian,
>>>
>>> ok. Need time for that. I've to seperate much stuff in order to
>>> get something reproducable without the test environment. I was in
>>> hope that someone could give a hint to track it down myself ;-)
>>>
>>> Give me some hours... I'll be back.
>>>
>>> Cheers,
>>> Cajus
>>>
>>> Christian Schmidt schrieb:
>>>> Hi Cajus,
>>>>
>>>> could you please send a code snipped to reproduce the issue.
>>>>
>>>> Thanks,
>>>> Chris
>>>>
>>>> Cajus Pollmeier schrieb:
>>>>> Hiho!
>>>>>
>>>>> I've an application which loads a tree model to a
>>>>> TreeController, connected to a Tree and a couple of other
>>>>> thingies in the GUI. This works fine - so far. Now, I'm going
>>>>> to add a new node like shown in the TreeController demo
>>>>> application using something like:
>>>>>
>>>>> nodes[0].getChildren().push(node);
>>>>>
>>>>> What I get, is an error in qx.data.controller.Tree.js, line 447
>>>>> (444 in the original file of qooxdoo 0.8.2, I've added debug
>>>>> lines in Tree.js):
>>>>>
>>>>> rootNode.getChildren() is null
>>>>> __updateTreeChildren()(qx.ui.tree.TreeFolder[undefined] $
>>>>> $useinit_focusable=true $$useinit_selectable=true,
>>>>> td.data.model.Movie[1ac] $$hash=1ac $$user_children=[5] $
>>>>> $user_uid=21)Tree.js (Linie 447)
>>>>> __changeModelChildren()(qx.event.type.Data[6u] $$hash=6u
>>>>> _type=change _target=[5])Tree.js (Linie 344)
>>>>> dispatchEvent()([undefined, undefined, undefined, 2 more... $
>>>>> $hash=1ad __array=[5] length=5], qx.event.type.Data[6u] $
>>>>> $hash=6u _type=change _target=[5], "change")Direct.js (Linie 99)
>>>>> wrappedFunction()Interface.js (Linie 422)
>>>>> dispatchEvent()([undefined, undefined, undefined, 2 more... $
>>>>> $hash=1ad __array=[5] length=5], qx.event.type.Data[6u] $
>>>>> $hash=6u _type=change _target=[5])Manager.js (Linie 809)
>>>>> fireNonBubblingEvent()([undefined, undefined, undefined, 2
>>>>> more... $$hash=1ad __array=[5] length=5], "change", function(),
>>>>> [Object start=4 end=4 type=add, null, false 0=Object
>>>>> 2=false])Registration.js (Linie 327)
>>>>> fireDataEvent()("change", Object start=4 end=4 type=add, null,
>>>>> undefined)Object.js (Linie 515)
>>>>> push()(td.data.model.Scene[1d8] $$hash=1d8 $$user_children=[0] $
>>>>> $user_name=Test)Array.js (Linie 173)
>>>>> addSceneAfter()(null, td.data.model.Scene[1d8] $$hash=1d8 $
>>>>> $user_children=[0] $$user_name=Horst)Model.js (Linie 48)
>>>>> (?)()()
>>>>>
>>>>> So it seems like rootNode in __updateTreeChildren:
>>>>> function(rootNode, modelNode) is empty.
>>>>>
>>>>> Can someone pass me a hint on what I can do for further debugging?
>>>>>
>>>>> Thanks,
>>>>> Cajus
>>>>>
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> <
> ModelTest
> .tar
> .bz2
> >
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