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Context Menus on Dialogs [message #331963]

Tue, 30 September 2008 16:41

stuart pond

Messages: 11
Registered: July 2009

Junior Member

All,

I have a dialog that contains a JFace TreeViewer, based on selection it is
desired to allow popup context menu on the selected node in the TreeViewer
in the Dialog.

Not surprising, the content of the context menu is dependent on what is
selected. I have various menu contributions and handlers that contribute to
any popup menu and control visiblility, enablement based Selection.

Is it possible
1) Put context popup menus on Trees, Tables, that are parented by Dialog?
2) How do you make the dialog's Tree SelectionProvider participate with the
workbench SelectionService (for menus and handlers controled by expressions)
when the dialog is NOT a ViewPart. It seems that selection mechanism really
wants to work only with WorkbenchParts and when you go outside that box your
out of luck. Or am I missing something?

-Stu

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Re: Context Menus on Dialogs [message #332017 is a reply to message #331963]

Wed, 01 October 2008 13:58

Paul Webster

Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

You can have your dialog context menu participate in the menu
contributions by using IMenuService to populate and release any
contributions needed.

But ... while in a dialog, only some of the variables are available
(i.e. selection and/or activeMenuSelection might not be available).

If launched from one of your parts, you might be able to have the part
"host" that context menu (but that ties it to a specific selection
provider, i.e. a viewer that needs to continue to provide selection events).

Other possibilities include submitting your own ISelectionProvider to
the window selection service while your dialog is active.

PW

--
Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions
http://wiki.eclipse.org/Menus_Extension_Mapping
http://help.eclipse.org/ganymede/index.jsp?topic=/org.eclips e.platform.doc.isv/guide/workbench.htm

Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions

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