[news.eclipse.modeling.gmf] Re: how can I get the reference to the eleme

["Begoña Moros" <bmoros@xxxxx>]

Thank you very much!!

I have changed the way that I created my request (I used the 
CreateViewAndElementRequest-class) according to your code and it works!!!

"sylvain ladoux" <sylvain.ladoux@xxxxxxxx> escribió en el mensaje 
news:fd7rsj$4nb$1@xxxxxxxxxxxxxxxxxxxx
> Hi Begoa
>
> May be what I can suggest, is to test your code in the run method of a
> context menu implementing IObjectActionDelegate.
> In that case, the domain is obtained via the selectionChanged method :
>
>                        if (structuredSelection.size() == 1
>                                        && 
> structuredSelection.getFirstElement() instanceof DomainEditPart) {
>                                selectedElement = (DomainEditPart) 
> structuredSelection
>                                .getFirstElement();
>
> in a second step you will have to readapt your code in order to match you
> requirements, but you will ensure the viewer variable is correctly set.
>
> Here is the piece of code I've used, it's very closed to the tutorial.
>
>
> cc = new CompoundCommand("Create Child");
> CreateViewRequest request = 
> CreateViewRequestFactory.getCreateShapeRequest(
>        XyzElementTypes.Xyz_1001, 
> selectedElement.getDiagramPreferencesHint());
>
> Command cmd = domainEditPart.getCommand(request);
> cc.add(cmd);
> selectedElement.getDiagramEditDomain().getDiagramCommandStack().execute(cc);
>
> adapter = (IAdaptable) ((List) request.getNewObject()).get(0);
>
>
> View view = (View) adapter.getAdapter(View.class);
> if (view != null) {
>        Xyz newXyz = (Xyz)view.getElement();
>        reqSet = new SetRequest(selectedElement.getEditingDomain(),
>                newXyz, XyzPackage.eINSTANCE.getXyz_Name(), s.getName());
>        operation = new SetValueCommand(reqSet);
> 
> selectedElement.getDiagramEditDomain().getDiagramCommandStack().execute(new
> 
> ICommandProxy(operation));
> ...
>
>
> Sylvain
>
>
> Begoa Moros wrote:
>
>> Hi Sylvain,
>>
>> thank you for your answer but I have not been able to apply the MindMap
>> example to my case.
>>
>> Reading the MindMap tutorial, I guessed that after creating the request
>> and getting the command, by this code:
>>
>>         EditPartViewer viewer = selectedElement.getViewer();
>>         EditPart elementPart = (EditPart)
>> viewer.getEditPartRegistry().get(topicViewAdapter.getAdapter(View.class));
>>
>> the elementPart variable would be referencing to the EditPart of the new
>> element (the one created by executing the command).
>>
>> I have tryed to adapted this example to my case, but the elementPart is
>> null. My code has been included in the handleNotificationEvent-method of
>> the ProductRequirementEditPart-class, since a new ProductRequirement is
>> created programmatically when a specific event happens. It is as follows:
>>
>>     ...
>>
>>     IElementType type = ParamMMElementTypes.ProductRequirement_1001;
>>
>>
>>     ViewAndElementDescriptor viewDescriptor = new
>> ViewAndElementDescriptor(new CreateElementRequestAdapter(new
>> CreateElementRequest(type)),
>>
>>          Node.class,
>>
>>         ((IHintedType) type).getSemanticHint(),
>>
>>          this.getDiagramPreferencesHint());
>>
>>
>>     CreateViewAndElementRequest request = new
>> CreateViewAndElementRequest(viewDescriptor);
>>
>>
>>     Command command = catalog.getCommand(request);
>>
>>
>>     IAdaptable viewAdapter = (IAdaptable) ((List)
>> request.getNewObject()).get(0);
>>
>>
>> 
>> this.getDiagramEditDomain().getDiagramCommandStack().execute(command);
>>
>>
>>     EditPartViewer viewer = this.getViewer();
>>
>>     EditPart elementPart = (EditPart)
>> viewer.getEditPartRegistry().get(viewAdapter.getAdapter(View.class));
>>
>> Do you know what is wrong in this code? Probably there is something that 
>> I
>> did not understand from the tutorial.
>>
>> Best regards,
>>             Begoa
>>
>>
>> "sylvain ladoux" <sylvain.ladoux@xxxxxxxx> escribi en el mensaje
>> news:fd0qv1$5ko$1@xxxxxxxxxxxxxxxxxxxx
>>> Begoa Moros wrote:
>>>
>>>> Hi all,
>>>>
>>>> after creating a new element as it is explained by tip 1 in
>>>> http://wiki.eclipse.org/GMF_Tips, is it possible to get the reference 
>>>> to
>>>> the
>>>> element that has been created?  I need to achieve this in order to
>>>> properly initialize the new element since the default initialization it
>>>> is
>>>> not enough in this case.
>>>>
>>>> Thanks in advance for any hint!!
>>>
>>> Hi Begoa
>>>
>>> Look at Custom Actions in the MindMap tutorial.
>>> http://wiki.eclipse.org/GMF_Tutorial_Part_3
>>>
>>> Best regards,
>>> Sylvain
>>>
>