ATColorView.m

/*
     File: ATColorView.m
 Abstract: A basic NSView subclass that supports having an animatable background color (NOTE: the animation only works when the view is layer backed).
 
  Version: 1.3
 
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 */
 
#import "ATColorView.h"
 
#import <Quartz/Quartz.h>
 
@implementation ATColorView
 
+ (id)defaultAnimationForKey:(NSString *)key {
    if ([key isEqualToString:@"backgroundColor"]) {
        return [CABasicAnimation animation];
    }
    return [super defaultAnimationForKey:key];
}
 
- (void)dealloc {
    self.backgroundColor = nil;
    [super dealloc];
}
 
 
@synthesize backgroundColor = _backgroundColor;
@synthesize drawBorder;
 
- (void)setBackgroundColor:(NSColor *)value {
    if (_backgroundColor != value) {
        [_backgroundColor release];
        _backgroundColor = [value retain];
        self.layer.backgroundColor = _backgroundColor.CGColor;
        [self setNeedsDisplay:YES];
    }
}
 
- (void)drawRect:(NSRect)r {
    NSColor *color = [self backgroundColor];
    if (color) {
        [color set];
        NSRectFill(r);
    }
    if (self.drawBorder) {
        [[NSColor lightGrayColor] set];
        NSFrameRectWithWidth(self.bounds, 1.0);
    }
    if (self.window.firstResponder == self) {
        NSSetFocusRingStyle(NSFocusRingOnly);
        NSRectFill(self.bounds);
    }
}
 
- (void)mouseUp:(NSEvent *)theEvent {
    NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
    if (NSPointInRect(point, self.bounds) && self.action) {
        [NSApp sendAction:self.action to:self.target];
    }
}
 
+ (Class)cellClass {
    // The cell is a container for the target/action
    return [NSActionCell class];
}
 
@end