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MPart vs. MPartDescriptor [message #580465]

Wed, 11 August 2010 06:37

Eclipse User

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 06:52

Thomas Schindl

Messages: 6651
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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