ve-dev

**System.out.println("CLASS:" + (( (ComponentGraphicalEditPart) (ss.getFirstElement())).getBean().eClass().getName()));** · Description:

Re-Hi

My problem is almost at the same point than the other time. I don't
manage to get what I want from visual editor. The best I have is the
class name of the selected object.
I was wondering if there is any chance that visual editor defines an
extension point which permit modify the generated code. Because even
if I have an handle on the selected object (which will be already
marvellous ...), I don't know how to modifiy the right part of the
visual editor generated code ...
I tried to look at the source code because what I want to do is
exactly the same stuff that exists between the visual editor and the
property view but you guess it is not so easy to understand the
implementation (at least for me ...)

Please let me know if you have any ideas that might help me.

Many thanks,

Nicolas.

2008/8/11, Nicolas DRUT :
> Hi,
>
> I actually find out what was wrong, it was a mistake of my own (few days ago
> I had modify a jar from VE to make some tests, I extracted it in a directory
> and erase the jar file so when I added it to the plugin dependencies, it was
> recognize but not really added ...)
> But there is still problem(s) ... :-D
>
> I manage to get the type of the selected object thanks to this :
>
> *System.out.println("CLASS:" + (( (ComponentGraphicalEditPart)
> (ss.getFirstElement())).getBean().eClass().getName()));*
>
> But I still don't have an handle on it, i can't find what method to call, I
> tried with *getEAllStructuralFeatures *and similars, I even find out how to
> get all his methods ... but nothing to manipulate it ...
> I remind you that I want to have an handle on the selected object in order
> to interact with him. I don't sure I am pretty clear so I want to give you
> an example.
>
> Let's take a class X with an attribut *picture *and getter and setter for
> it. Now, imagine I've placed on instance of X on a JFrame, if I clicked on
> it, I want my view to display a text field where I can write the path to my
> picture and when I click "Ok", it must generate the following code in my
> JFrame : "myXClass.setPicture("myPathToMyPicture")
> I hope I've made myself clear ... :-(
>
>
> 2008/8/11 Nicolas DRUT 
>
>> Hi Yves,
>>
>> Thank for your advises, I have done something but I still have problems.
>> I casted my ISelection in IStructuredSelection, then I called
>> getFirstElement, getClass and getName as you can see above :
>>
>> *IStructuredSelection ss = (IStructuredSelection) selection;
>> System.out.println("classs:"+ss.getFirstElement().getClass().getName());
>>
>>
>> *When I run my plugin (I precise that I reuse a plugin providing a view
>> that get the selection), if I clic on a JButton (place on a JFrame) for
>> example I have this printing : *
>> classs:org.eclipse.ve.internal.jfc.core.ComponentGraphicalEditPart
>>
>> *So I tried to look at this *ComponentGraphicalEditPart* class; I found it
>> and better, I see there is a *getBean* method which is public ! And in
>> fact this method return an IJavaInstance.
>> I add all needed packages and dependencies (org.eclipse.ve.jfc,
>> org.eclipse.ve.java.core, org.eclipse.jem for IJavaInstance) to my plugin
>> and I managed to write this :
>> *
>> System.out.println("CLASSS:"+((ComponentGraphicalEditPart)(ss.getFirstElement().getClass())).getBean());
>> *But Eclipse doesn't recognize the ComponentGraphicalEditPart ...
>>
>> I think getBean is THE method I have to call but I can't, how can I do ?
>> Do
>> you have the same problem ?
>>
>>
>> Thank you for your help
>>
>> ps : you can fin attached the ComponentGraphicalEditPart if you want to
>> have a look at it
>>
>>
>>
>> 2008/8/8 Yves YANG 
>>
>>   You shloud cast ISelection to IStructualSelection and call
>>> getFirstElement(), which should be an IJavaInstance. Afterwards, you can
>>> call getEClass().getAllStructuralFeatures().
>>>
>>>
>>>
>>> Yves YANG
>>>
>>> Soyatec - Eclipse OutSourcing & XAML for java
>>>
>>> http://www.soyatec.com
>>>
>>> Tel: +33 1 60 13 06 67
>>>
>>> Mobile: +33 6 20 74 39 45
>>>
>>> Fax: +33 9 58 07 06 67
>>>   ------------------------------
>>>
>>> *From:* ve-dev-bounces@xxxxxxxxxxx [mailto:ve-dev-bounces@xxxxxxxxxxx]
>>> *On
>>> Behalf Of *Nicolas DRUT
>>> *Sent:* Friday, August 08, 2008 8:50 AM
>>> *To:* Discussions people developing code for the Visual Editor project
>>> *Subject:* Re: [ve-dev] About the workbench selection
>>>
>>>
>>>
>>> I tried to look at this way Yves, thank you, but I get back an
>>> org.eclipse.jface.viewers.StructuredSelection object from the
>>> SelectionService and not an IJavaInstance. And the StructuredSelection
>>> class
>>> doesn't have the getAllStructuralFeatures() method.
>>> Are you sure of your IJavaInstance ? Is it return by the Visual Editor or
>>> another part ?
>>>
>>> Many thanks.
>>>
>>> Nicolas.
>>>
>>>
>>>  2008/8/7 Yves YANG 
>>>
>>> The Handle of UI element is a type of IJavaInstance: a subclass of
>>> EObject. You can call getAllStructuralFeatures() to get all properties.
>>>
>>>
>>>
>>> Yves YANG
>>>
>>> Soyatec - Eclipse OutSourcing & XAML for java
>>>
>>> http://www.soyatec.com
>>>
>>> Tel: +33 1 60 13 06 67
>>>
>>> Mobile: +33 6 20 74 39 45
>>>
>>> Fax: +33 9 58 07 06 67
>>>   ------------------------------
>>>
>>> *From:* ve-dev-bounces@xxxxxxxxxxx [mailto:ve-dev-bounces@xxxxxxxxxxx]
>>> *On
>>> Behalf Of *Nicolas DRUT
>>> *Sent:* Thursday, August 07, 2008 3:51 PM
>>> *To:* richkulp@xxxxxxxxxx
>>> *Cc:* Discussions people developing code for the Visual Editor project
>>> *Subject:* Re: [ve-dev] About the workbench selection
>>>
>>>
>>>
>>> Hi,
>>>
>>> Many thanks for your answer Rich;
>>> So apparently there isn't any method to get back an handle on my JButton
>>> ?
>>> But if we look at the properties view, it seems to me that it does a part
>>> of it; because when you click on your item, it shows the properties of
>>> the
>>> item and it can modify the class, call his method, etc ...  Do you think
>>> we
>>> can find something looking at source of the Properties view ?
>>>
>>> Nicolas
>>>
>>> 2008/8/7 Rich Kulp 
>>>
>>>
>>> Hi,
>>>
>>> I don't remember the specifics, but you are not really clicking on a
>>> JButton. The JButton instance doesn't even exist in Eclipse. In the VE
>>> the
>>> JButton is modeled by a BeanProxy object that models an actual JButton. I
>>> believe what is returned from the selection event handler is actually an
>>> IPropertySource which wrappers the JButton VE  model object.
>>>
>>> Rich
>>>
>>>
>>>   *"Nicolas DRUT" *
>>> Sent by: ve-dev-bounces@xxxxxxxxxxx
>>>
>>> 08/07/2008 08:30 AM
>>>
>>> Please respond to
>>> Discussions people developing code for the Visual Editor project        <
>>> ve-dev@xxxxxxxxxxx>
>>>
>>>    To
>>>
>>> "Discussions people developing code for the Visual Editor project" <
>>> ve-dev@xxxxxxxxxxx>
>>>
>>> cc
>>>
>>>
>>>
>>> Subject
>>>
>>> [ve-dev] About the workbench selection
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> Hi,
>>>
>>> This is me again with Visual Editor.
>>> I am now trying to develop a new view to use it with VE. My view needs to
>>> know witch item is selected on the workbench. For example, if user clic
>>> on a
>>> JButton called myButton, I would like to be able to get an handle on the
>>> myButton class (in order to read his attributes for example).
>>> I have tried to follow this tutorial :
>>> http://www.eclipse.org/articles/Article-WorkbenchSelections/article.html
>>>
>>> , I managed to get back something but it is an Object type class whereas
>>> the item I clicked was a JButton. I tried to cast it in the JButton type
>>> but
>>> it failed, it seems to me that this is totally an other object ... Could
>>> you
>>> please help to find out how to get an handle on this JButton ?
>>>
>>>
>>>
>>> I don't really know if it is a VE problem but perhaps some of you have
>>> tried to do the same someday, I hope.
>>>
>>> Thank you very much for your help and looking forward to hearing from
>>> you.
>>>
>>> Cheers,
>>>
>>> Nicolas._______________________________________________
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>>
>

ve-dev

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