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MPart vs. MPartDescriptor [message #580465] Wed, 11 August 2010 02:37 Go to next message
Heiko Barth is currently offline Heiko Barth
Messages: 6
Registered: July 2009
Junior Member
Can somebody explain me why there is an MPart and a MPartDescriptor interface? What is the idea behind these two interfaces? What is the technical distinction?

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Re: MPart vs. MPartDescriptor [message #580484 is a reply to message #580465] Wed, 11 August 2010 02:52 Go to previous message
Thomas Schindl is currently offline Thomas Schindl
Messages: 4462
Registered: July 2009
Senior Member
Hi,

The difference between those is similar to the one between Class and
Object in Java. MPartDescription is the blueprint for MPart instances
who are the instances you add to your UI-Structure (e.g. as children of
an MPartStack).

If you look at the ShowView-Menu you see all registered MPartDescriptors
and clicking on one of those the system creates an MPart-instance from
them and places them into the UI-Structure.

You can also compare them to ViewDescriptor/EditorDescriptor in 3.x and
their real UI counterparts ViewPart and EditorPart.

Tom

Am 11.08.10 08:37, schrieb Heiko:
> Can somebody explain me why there is an MPart and a MPartDescriptor
> interface? What is the idea behind these two interfaces? What is the
> technical distinction?

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