Re: Creating subviews programmatically ?
Re: Creating subviews programmatically ?
- Subject: Re: Creating subviews programmatically ?
- From: Dave Hersey <email@hidden>
- Date: Sat, 1 Dec 2007 12:22:32 -0500
On Dec 1, 2007, at 11:51 AM, Vince Ackerman wrote:
I put a NSLog () in the setFrameSize: override and it's only being
called once, so that wouldn't explain it. The description dump of
the array each time through the resizeDayView method shows that it
is in fact switching the first and last item in the array:
<DayView: 0x13ba80>, <---------------- this is the original
item zero
<DayView: 0x13dab0>,
<DayView: 0x13dce0>,
........ 37 more subView items ...
<DayView: 0x147650>,
<DayView: 0x147a60> <---------------- this is the original
last item 41
As the window continues its resize, the description dump shows it
alternates to this:
<DayView: 0x147a60>, <---------------- this is the original
item 41
<DayView: 0x13dab0>,
<DayView: 0x13dce0>,
........ 37 more subView items ...
<DayView: 0x147650>,
<DayView: 0x13ba80> <---------------- this is the original
item zero, now at the end of the array
This happens every other time through the resizeDayView method.
Strange huh?
Next, I'll try getting rid of NSEnumerator as you suggest. For the
life of me I can't see why the array is being switched.
Well, by the descriptions you're showing, it looks like NSEnumerator
is working correctly and you'll see the same thing from
objectAtIndex. It must be something about how the subviews are dealt
with by the system during resizing. There's no guarantee about the
order in which subviews are drawn, and there may be no guarantee
about the order they're kept in either. You're probably better off
just creating an array of these view objects in the order you want at
awakeFromNib or the like, and using that during the resize. That way
you don't have to depend on the system maintaining your ordering.
- d
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