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Re: Creating subviews programmatically ?
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Re: Creating subviews programmatically ?


  • Subject: Re: Creating subviews programmatically ?
  • From: Vince Ackerman <email@hidden>
  • Date: Sat, 1 Dec 2007 09:24:59 -0800

As per your suggestion I've Eliminated the NSEnumerator, and using NSArray objectAtIndex: index shows the same behavior. Aside from sending an "addSubview" to the view in my awakeFromNib, and building the original grid of subviews, I'm not messing with the subviews anywhere else but the resize method.

The first and last subview in the array are switched each time through. This are my two methods:

- (void)setFrameSize:(NSSize)size {
	NSLog(@"Override setFrameSize called");
    [super setFrameSize:size];
    [self resizeDayViews: size];
}

-(void)resizeDayViews: (NSSize) size // Adjust all subViews for size of Main view
{
NSArray *subDayViews = [self subviews]; // get array of all subviews
NSRect newFrame = [self frame]; // get current frame rect
NSRect newRect;
float dayWidth = ( (newFrame.size.width - 9) / 7);
float weekHeight = ( (newFrame.size.height - 9) / 6) ;
int x,y,rowCnt, columnCnt, index;

NSLog( @"Start of Resize Method------------------------------");
NSLog( [subDayViews description]);
// for each row of days
for (index = 0, y = 5, rowCnt = 0; rowCnt < 6; y = y + weekHeight, rowCnt++)
{
for(x = 5, columnCnt = 0; columnCnt < 7; x = x + dayWidth, columnCnt+ +)
{
newRect = NSMakeRect(x, y, dayWidth, weekHeight );
DayView *tempView = [subDayViews objectAtIndex: index];
[ tempView setFrame: newRect ];
NSLog( @"frame set");
NSLog( @"%@", [NSString stringWithFormat:@"%i", [tempView gridNum] ]);
NSLog(@"%@", NSStringFromRect(newRect) );
index++;
}

}
}




On Nov 30, 2007, at 22:21, Dave Hersey wrote:


Have you tried avoiding the enumerator entirely and just using another index var and objectAtIndex: to read the subDayViews array? I'm having trouble believing that this is a problem with NSEnumerator... I have a feeling your array is not what you expect. In fact, if you haven't already, I'd try dumping the array's description to the log.

The only other thing I can think of is that maybe you've got this code in the class for the views that you're working on, and your call to

[ tempView setFrame: newRect ]

is causing your setFrameSize override to be called, which is calling resizeDayViews again, giving you misleading log statements and general chaos. In other words, are you sure you're not reentering the method because of that setFrame call in the loop (or something else)? I have no idea if setFrame causes the setFrameSize override to be called, but it wouldn't surprise me. You may want to log entry and exit for the method, or step through the loop in the debugger.

Anyway, just some late night thoughts that may or may not help.

- d



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