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| Re: New Object Metadata [message #5381 is a reply to message #5259] |
Sun, 04 January 2009 19:23  |
Eclipse User |
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Originally posted by: atoulme.intalio.com
BPMNbeginner wrote:
> Hello Antoine,
>
> Thank you very much for this newsgroup and for all your answers.
>
> I have really big problems dealing with stp-bpmn. I am now developing an
> extension to this and I have the following questions. Please don't
> forward me to other tutorials because I have already seen every wiki
> tutorial but it didn't help me. Please be patient with me, beacuse my
> questions might be very basic and thank you so much. Now to my questions:
>
> I want to create 2 additional tabs in the properties window. The content
> of the tabs depends on the type of the bpmn object and the association
> to the TextAnnotations. I added a new Tab like it is explained in
> http://wiki.eclipse.org/STP/BPMN_Component/STP_BPMN_Presenta tion_Hands_on_tutorial
> By doing so I had the following problems:
>
> First question:
> ---------------
> 1- This will create and show the Tab always and statically. So How can I
> hide/show Tabs in the Property window depending on the current selected
> bpmn object and its connections to other bpmn objects. (A same example
> is already done if one selects the digram element, the Rulers & Grid tab
> will be hidden/shown)
You can use a filter. The type mapper is there for that.
You should consult the description of the extension point
org.eclipse.ui.views.properties.tabbed.propertySections on this point.
>
> Second question:
> ----------------
> 2- I extended the Class AbstractPropertySection. I coded the content of
> the PropertySection in the method createControls. But also the content
> is dynamic and depends on the current selected object and its
> connections. How can I get the current selected bpmn object. I need the
> semantic element, e.g. the class Activity or DataObject, etc...
> Unfortunately I can access the selected object only in the method
> setInput(IWorkbenchPart part, ISelection selection), but not in the
> createControls(Composite parent, TabbedPropertySheetPage
> aTabbedPropertySheetPage).
Indeed, it sounds like the setInput method is called after the
createControls.
I think that was made deliberately by Anthony Hunter.
You can workaround that by using a StackLayout, and switching the top
element depending of what is set.
The real workaround is to have different sections registered for each
type of element registered.
>
> Third question:
> ----------------
> 3- How can I be notified if an other object has been selected in the
> diagram. How can I be notified if e.g. an association has been deleted.?
You can set a listener on the editor.
You can also listen to the EMF resource, not sure what you'd rather use,
I'd say both.
>
> Thank you so much for your help. I really need this as soon as possible
> for my thesis.
>
> Sam
>
>
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