| MultiPageEditorPart with Tree page loses context menu on page change [message #333259] |
Tue, 02 December 2008 10:57  |
Eclipse User |
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Hello,
[Sorry if this is a repost... the Eclipse newsgroups were giving me
errors on Dec 1st and it doesn't look like this was posted.]
I'm working on an editor that extends MultiPageEditorPart. It has two
pages, one contains a Tree from a TreeViewer and the other has a
TextEditor. The Tree is on the default page, and the popup context menu
displays properly, but when I switch to the page with the TextEditor and
then back to the Tree page, the popup context menu doesn't display
anymore. Note: It always works fine on the TextEditor page.
When I hit ALT-SHIFT-F1 to display "The Plugin Spy," the popup context
menu is somehow reinitialized and works again.
I'm creating an empty popup context menu in my editor class, and
populating it with Command Framework extensions in the plugin.xml.
Here's the code that creates the empty context menu:
MenuManager treeMenuManager = new MenuManager("#PopupMenu");
treeMenuManager.add(
new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
Tree tree = treeViewer.getTree();
Menu treeContextMenu =
treeMenuManager.createContextMenu(tree);
tree.setMenu(treeContextMenu);
getEditorSite().registerContextMenu(
treeMenuManager, treeViewer, false);
I found the following bug that might be related to this issue. It
highlights the fact that when a page change occurs, MultiPageEditorPart
seems to do more behind-the-scenes work for pages consisting of Editors
as opposed to pages composed of Components. (Be sure to take a look at
activateSite() and deactivateSite() which are called by pageChange(int)
and also do more for editors.)
https://bugs.eclipse.org/bugs/show_bug.cgi?id=177333
My questions are... is the problem I'm seeing a new bug or related to
the above bug? How can I programmatically get my context menu to work
again on my Tree page when I switch back to it? For example, what should
I be doing in the overridden method pageChange(int) before/after I call
super.pageChange(int)?
Thanks for any help you can provide,
Travis Haagen
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