[kepler-dev] text area undo/redo
berkley at nceas.ucsb.edu
Thu Mar 27 11:02:49 PDT 2008
Sounds like a great change to me. Christopher, any objections?
ben leinfelder wrote:
> Hi all,
> There's been a request to add an "undo" feature when editing scripts
> in the RExpression actor. See http://bugzilla.ecoinformatics.org/show_bug.cgi?id=3185
> Locally, I have implemented an UndoableEditListener for the JTextArea
> that is used in ptolemy.gui.Query along with some supporting inner
> classes to facilitate the undoing and redoing of text edits. This
> change would cascade to all actors when editing their parameters.
> While it seems like a useful feature to provide, it is in a ptII class
> and therefore should probably be reviewed by the larger community.
> I've used the standard Ctrl+Z and Ctrl+Y shortcut mappings for undo
> and redo respectively. And yes, "Ctrl" translates to "open apple/
> command" key on the Mac.
> Does anyone object to including this change?
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