/*

     File: ATColorCell.m

 Abstract: A simple cell that draws a color swatch next to the color's name.

  Version: 1.1

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 */

#import "ATColorCell.h"

#define INSET_FROM_IMAGE_TO_TEXT 4.0

@implementation ATColorCell

- (id)init {

    self = [super init];

    [self setUsesSingleLineMode:YES];

    [self setLineBreakMode:NSLineBreakByTruncatingTail];

    return self;

}

- (id)copyWithZone:(NSZone *)zone {

    self = [super copyWithZone:zone];

    self->_color = [_color retain];

    return self;

}

- (void)dealloc {

    [_color release];

    [super dealloc];

}

@synthesize color = _color;

- (NSRect)colorRectForFrame:(NSRect)frame {

    NSRect result = frame;

    result.size.width = frame.size.height;

    return result;

}

- (NSRect)_titleFrameForInteriorFrame:(NSRect)frame {

    NSRect colorFrame = [self colorRectForFrame:frame];

    NSRect result = colorFrame;

    result.origin.x = NSMaxX(colorFrame) + INSET_FROM_IMAGE_TO_TEXT;

    // Go as wide as we can

    result.size.width = NSMaxX(frame) - NSMinX(result);

    // Center in the height

    // Move the title above the Y centerline of the image. 

    NSSize naturalSize = [super cellSize];

    result.origin.y = floor(NSMidY(frame) - naturalSize.height / 2.0);

    result.size.height = naturalSize.height;

    return result;

}

- (void)drawInteriorWithFrame:(NSRect)frame inView:(NSView *)controlView {

    if (_color) {

        [_color set];

        NSRect colorFrame = [self colorRectForFrame:frame];

        NSRectFill(colorFrame);

        [[NSColor lightGrayColor] set];

        NSFrameRectWithWidth(colorFrame, 1.0);

    }

    NSRect titleFrame = [self _titleFrameForInteriorFrame:frame];

    [super drawInteriorWithFrame:titleFrame inView:controlView];

}

- (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)frame ofView:(NSView *)controlView {

    NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:nil];

    NSRect colorRect = [self colorRectForFrame:frame];

    if (NSPointInRect(point, colorRect)) {

        // We combine in our own hit test marker

        return NSCellHitTrackableArea | ATCellHitTestColorRect;

    } else {

        NSUInteger result = [super hitTestForEvent:event inRect:[self _titleFrameForInteriorFrame:frame] ofView:controlView];

        // We don't want the label to be editable

        result = result & ~NSCellHitEditableTextArea;

        return result;

    }

}

@end