| How to prevent tree node from collapse [message #519584] |
Tue, 09 March 2010 06:36 |
Eclipse User |
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I try to prevent a tree node (SWT Tree or JFace TreeViewer) from collapse. Is thier a way to do that? Catch an event or so. Or is thier a possibility to remove "+" icon?
Thanks for help.
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| Re: How to prevent tree node from collapse [message #519654 is a reply to message #519584] |
Tue, 09 March 2010 05:40  |
| Eclipse User |
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Hi,
At the SWT level there isn't a way to veto an expand/collapse by the user,
other than to listen for the Expand/Collapse event and invoke the opposite
API to re-expand/re-collapse the item, which can show a flash. Also, there
is no way to hide/change the expander. I could not find existing Feature
Requests for either of these, so if you want you can log one or two with swt
at
https://bugs.eclipse.org/bugs/enter_bug.cgi?product=Platform &component=SWT&bug_severity=enhancement .
Though I don't know TreeViewer particularly well, I doubt that it would be
able to provide either of these, since it is constrained in some ways by the
beahviours of the underlying SWT Tree control.
Grant
"Andreas" <rcp_java@gmx.net> wrote in message
news:hn5bri$dah$1@build.eclipse.org...
> I try to prevent a tree node (SWT Tree or JFace TreeViewer) from collapse.
Is thier a way to do that? Catch an event or so. Or is thier a possibility
to remove "+" icon?
>
> Thanks for help.
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