Create a plugin, without any view.
Create a class that register listeners to the datastorage events.
Instantiate it from the plugin activator. That's the key point.
Add the "eager" option to the manifest file to make sure it is loaded
before other plugins. I don't remember the syntax.
You can have preference page as usual.
It's a bit tricky to get a reference to the data storage from the plugin
activator. I have an example, I can give it to you next week.
Miklos
On 23 Oct 2012 04:36, "Müller, Michael" <[email protected]>
wrote:
> Hi Matt,
>
> the DataNodeAdded event is essentially an event coming from the
> DataStorage and then proxified through QmitkAbstractView. I.e. directly
> listen to the DataStorage (code is given in QmitkAbstractView) will make
> you independent of your view visibility state.
> However, a view that should never show up on the screen is rather the
> wrong way. You can e.g. contribute preference pages and access the
> DataStorage service without creating a view class.
>
> Hope that helps
> Michael
>
> -----Ursprüngliche Nachricht-----
> Von: Clarkson, Matt [mailto:[email protected]]
> Gesendet: Dienstag, 23. Oktober 2012 09:06
> An: mitk-users
> Betreff: [mitk-users] Application level response to NodeAdded events
>
> Hi there,
>
> within a view, derived from QmitkAbstractView it is easy to respond to
> DataStorage NodeAdded events.
> But what is the best way to provide application level functionality,
> independent of whether a view is visible on screen.
>
> It seems like I want a subclass derived from QmitkAbstractView, but I
> never want to see it on screen. It should just run in the background. I
> also need a corresponding preference page to control some preferences.
> Should I add this to my application plugin as this is derived from
> berry::AbstractUICTKPlugin, or is there another way?
>
> My requirements are:
> 1. Whenever any image node is added, set some default properties.
> 2. These default properties have a few preferences to select the correct
> calculation of these properties.
> 3. It is independent of any Qt View.
>
> Thanks
>
> Matt
>
>
>
>
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