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Drag&Drop with unknown source [message #490461]

Thu, 08 October 2009 13:32

Eclipse User

Originally posted by: formatzeh.gmx.de

I want to add DnD in my RCP app for a specific view as drop target. But
as you can imagine there can be several other views containing objects I
of the same type which I want to let dropped into my view. So I don't
know the drag source. But if I drag an object from another view, for
example from a SVN repository view, the mouse pointer changes what let's
me believe that 'anonymous' dragging is possible. So I have to check in
my drop target anyhow if the type of the dragged object is correct and
if true it can be dropped. Is it possible anyhow?

Re: Drag&Drop with unknown source [message #490637 is a reply to message #490461]

Fri, 09 October 2009 10:18

Eclipse User

Hi,

I think the DropListener in
http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.sni ppets/src/org/eclipse/swt/snippets/Snippet185.java?view=co
demonstrates what you want to do. If I'm wrong then please follow up here.

Grant

"Gilbert Mirenque" <formatzeh@gmx.de> wrote in message
news:hal7mr$uod$1@build.eclipse.org...
> I want to add DnD in my RCP app for a specific view as drop target. But
> as you can imagine there can be several other views containing objects I
> of the same type which I want to let dropped into my view. So I don't
> know the drag source. But if I drag an object from another view, for
> example from a SVN repository view, the mouse pointer changes what let's
> me believe that 'anonymous' dragging is possible. So I have to check in
> my drop target anyhow if the type of the dragged object is correct and
> if true it can be dropped. Is it possible anyhow?

Re: Drag&Drop with unknown source [message #491729 is a reply to message #490637]

Thu, 15 October 2009 11:05

Eclipse User

Originally posted by: formatzeh.gmx.de

I think I have to tell something more about my structure. My drop target
should be a view which is a org.eclipse.ui.navigator.CommonNavigator.
And this view should act as drop target for elements dragged from other
views. With the extension point org.eclipse.ui.navigator.viewer I
referenced a viewerContentBinding. In this contentBinding - specified at
the extension point org.eclipse.ui.navigator.navigatorContent - I set
java.lang.Object as triggerPoints, possibleChildren and as
possibleDropTargets in a dropAssistant. But it does not react on dragged
elements from other views (for example an svn repository view). The
point is that if I drag an element from another view my the
CommonNavigator won't be activated when hovering it.

Any ideas?

Re: Drag&Drop with unknown source [message #491943 is a reply to message #491729]

Fri, 16 October 2009 11:59

Eclipse User

This is definitely outside of my experience, hopefully someone else can
follow up here (if you don't get a follow-up then you may need to re-post
this).

Grant

"Gilbert Mirenque" <formatzeh@gmx.de> wrote in message
news:hb7dnh$lhb$1@build.eclipse.org...
> I think I have to tell something more about my structure. My drop target
> should be a view which is a org.eclipse.ui.navigator.CommonNavigator.
> And this view should act as drop target for elements dragged from other
> views. With the extension point org.eclipse.ui.navigator.viewer I
> referenced a viewerContentBinding. In this contentBinding - specified at
> the extension point org.eclipse.ui.navigator.navigatorContent - I set
> java.lang.Object as triggerPoints, possibleChildren and as
> possibleDropTargets in a dropAssistant. But it does not react on dragged
> elements from other views (for example an svn repository view). The
> point is that if I drag an element from another view my the
> CommonNavigator won't be activated when hovering it.
>
> Any ideas?

Re: Drag&Drop with unknown source [message #493069 is a reply to message #491729]

Thu, 22 October 2009 19:51

Eclipse User

If you are using 3.5 there is tracing available in the Common Navigator (use the Tracing tab in the launch configuration, and check Enable Tracing, in the org.eclipse.ui.navigator plugin click both the top level debug item and the debug/dnd item. That should show you more about what's going on and why the drop might not be picked up.

Re: Drag&Drop with unknown source [message #494925 is a reply to message #493069]

Tue, 03 November 2009 04:55

Eclipse User

Originally posted by: formatzeh.gmx.de

I see some logging when starting the app but after that....nothing
special. That doesn't help me.

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