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Getting Toolbar for a programmatically created MPart [message #1741715]

Sun, 28 August 2016 14:11

Michael Kagel

Messages: 9
Registered: May 2015

Junior Member

Hi,

currently I have the following state:
I defined a Part in a fragment.e4xmi as shared element of my main window (defined as TrimmedWindow in the Application.e4xmi). Also I defined a toolbar with some buttons as sub-element of the Part (activated the toolbar checkbox of the Part).
In the next step I defined a PartStack inside an Area as shared element of the TrimmedWindow.
Now I tried to add the part programmatically to the part stack:

EPartService partService ...
MPartStack stack ...  //defined part stack

MPart part = partService.createPart(myDefinedPartId);
stack.getChildren().add(part);
partService.showPart(part, PartState.VISIBLE);

The result is, I get a opened part but without the toolbar.

When I create a MPlaceholder instead of a part like this:

EPartService partService ...
MPartStack stack ...  //defined part stack

MPlaceholder mPlaceholder = partService.createSharedPart(myDefinedPartId);
stack.getChildren().add(mPlaceholder);

The part is created (but of course not on top) and it contains the defined toolbar.

My questions are:
1. Why does this happen? (part has no toolbar, placeholder has one)
2. Is there a way to create a part which also contains the defined toolbar?

I would expect that a programmatically created part also contains all of its defined child elements (menus, toolbar), exactly when I let create it via the application model.

By the way, I also tried to define a PartDescriptor instead of a Part but this also did not work.

Best Regards

Michael Kagel

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Re: Getting Toolbar for a programmatically created MPart [message #1742297 is a reply to message #1741715]

Thu, 01 September 2016 13:24

Erdal Karaca

Messages: 853
Registered: July 2009

Senior Member

Have a look at the EPartService.createPart(String) implementation. It consumes the PartDescriptor.
Seems that the effects are the results of your experiments with PartDescriptor vs. shared element.

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Re: Getting Toolbar for a programmatically created MPart [message #1742893 is a reply to message #1742297]

Thu, 08 September 2016 12:48

Michael Kagel

Messages: 9
Registered: May 2015

Junior Member

Hi,

my test with the part descriptor was afterwards. I analyzed the PartService.createPart method and found that this is using a part descriptor for creating a not existing part. So I hoped I could convince eclipse to show the toolbar when defining my own part descriptor with the toolbar. During debugging I saw that the toolbar was correctly created in the model but never rendered in the UI.
But even without a part descriptor I would excpect that a programmatically created part is based on the part definition in the model (in my case incl. toolbar).

At the moment I use placeholder and everything works fine. But this looks somehow weird to create a placeholder for a part, put it on the part stack (all programmatically) and then eclipse renders the part correctly with a toolbar. But using the part or a part descriptor doesn't work.

Because of that I wanted to know if this is the intended behavior, is there a bug or do I use this incorrect?

Best Regards

Michael

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