|Re: MPart vs. MPartDescriptor [message #580498 is a reply to message #552159]
||Wed, 11 August 2010 06:57
| Thomas Schindl
Registered: July 2009
On a second thought maybe the Class-Object comparison is not a good one.|
It is more of a Template => Instance relation.
MPartDescriptor is the template we use to create MPart-instance from, if
you look at the interfaces closely you'll notice that MPart-derives from
UIElement and MPartDescriptor only from ApplicationElement.
Am 11.08.10 08:52, schrieb Tom Schindl:
> 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.
> 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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