Re: How to end table cell editing by keyboard (return/enter)?
Re: How to end table cell editing by keyboard (return/enter)?
- Subject: Re: How to end table cell editing by keyboard (return/enter)?
- From: Javigator <email@hidden>
- Date: Mon, 4 Jul 2005 09:37:27 +0200
Ondra,
2005/7/4, Javigator <email@hidden>:
> On 3.7.2005, at 16:18, <email_removed> wrote:
>
> > I have a NSTableView setup with a NSTableColumn which consists of
> > the default NSTextFieldCell. The table is populated using a
> > NSArrayController (bindings). I allow editing of the entries in the
> > column via double click and (in another case) sending
> > editColumn:row:withEvent:select: to the table view.
> >
> > What I want: Editing a cell and pressing return ends the editing,
> > setting the selection to the edited entry. Best case: the app/
> > controller/whatever gets notified about this event.
>
> The impossibility to do this cleanly is, far as I know, one of a
> surprisingly small number of faults in the Cocoa-based GUI.
>
> Of course, in a dynamic object system anything goes, albeit sometimes
> kinda ugly way :)
>
> The solution looks kind of like this (it's possible there's a better
> one: this one used to be arguably the best available a few years ago
> -- meantime API was improved, *perhaps* making this hack obsolete):
>
> @interface OCSExtraSelectionTableView:NSTableView @end
> @implementation OCSExtraSelectionTableView
> // changes the editing behaviour NOT to select the next line if Enter
> gets pressed
> -(void)textDidEndEditing:(NSNotification*)notification {
> if ([[[notification userInfo] objectForKey:@"NSTextMovement"]
> intValue]==NSReturnTextMovement) {
> // This is ugly, but just about the only way to do it.
> NSTableView is determined to select and edit something else, even the
> text field that it just finished editing, unless we mislead it about
> what key was pressed to end editing.
> NSMutableDictionary *newUserInfo=[NSMutableDictionary
> dictionaryWithDictionary:[notification userInfo]];
> [newUserInfo setObject:[NSNumber
> numberWithInt:NSIllegalTextMovement] forKey:@"NSTextMovement"];
> [super textDidEndEditing:[NSNotification
> notificationWithName:[notification name] object:[notification object]
> userInfo:newUserInfo]];
> // For some reason we lost firstResponder status when when
> we did the above.
> [[self window] makeFirstResponder:self];
> } else [super textDidEndEditing:notification];
> }
> +(void)load {
> [self poseAsClass:[self superclass]];
> }
> @end
>
> ---
> Ondra Čada
> OCSoftware: <email_removed> http://www.ocs.cz
> private <email_removed> http://www.ocs.cz/oc
I don't care if your hack is a hack as long as it works for me. :-)
Unfortunately, the custom NSTableView class breaks populating the
table using bindings and a NSArrayController - the table is empty
(switching back to native NSTableView and it works like a charm). Any
clues why?
Joern.
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