I've been trying to implement a splitview with animated collapse/uncollapse of
one of its subviews. So far without success, although I think I'm very close to
a working solution. There's a lot of documentation and sample code on the
internet, but none of what I have found seems to fit my needs.
Currently, this is the code that does the animation (in a NSSplitView subclass)
:
- (void)animateDividerToPosition:(CGFloat)dividerPosition
{
NSView *view0 = [[self subviews] objectAtIndex:0];
NSView *view1 = [[self subviews] objectAtIndex:1];
NSRect view0Rect = [view0 frame];
NSRect view1Rect = [view1 frame];
NSRect overalRect = [self frame];
CGFloat dividerThickness = [self dividerThickness];
if ([self isVertical]) {
view0Rect.size.width = dividerPosition;
view1Rect.origin.x = dividerPosition + dividerThickness;
view1Rect.size.width = overalRect.size.width - view0Rect.size.width -
dividerThickness;
} else {
view0Rect.size.height = dividerPosition;
view1Rect.origin.y = dividerPosition + dividerThickness;
view1Rect.size.height = overalRect.size.height - view0Rect.size.height
- dividerThickness;
}
[NSAnimationContext beginGrouping];
[[NSAnimationContext currentContext] setDuration:0.3];
[[view0 animator] setFrame: view0Rect];
[[view1 animator] setFrame: view1Rect];
[NSAnimationContext endGrouping];
}
Collapse seems to work fine this way, but when I uncollapse a subview, the
views contents are only drawn partially, similar to the effect one sees when
the splitview delegate does not implement the methods to constrain the subview
size.
Any ideas?
Thanks
--
Luc Van Bogaert
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