/*

    Copyright (C) 2015 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    This is the "HeaderView" class implementation.

*/

#import "AAPLHeaderView.h"

@implementation AAPLHeaderView

// Returns the HeaderView's title NSTextField (if it currently has one).

- (NSTextField *)titleTextField {

    for (NSView *view in self.subviews) {

        if ([view isKindOfClass:[NSTextField class]]) {

            return (NSTextField *)view;

        }

    }

    return nil;

}

// Draws the HeaderView's background: semitransparent white fill, with highlight and shadow lines at top and bottom.

- (void)drawRect:(NSRect)dirtyRect {

    // Fill with semitransparent white.

    [[NSColor colorWithCalibratedWhite:0.95 alpha:0.8] set];

    NSRectFillUsingOperation(dirtyRect, NSCompositeSourceOver);

    // Fill bottom and top edges with semitransparent gray.

    [[NSColor colorWithCalibratedWhite:0.75 alpha:0.8] set];

    NSRect bounds = self.bounds;

    NSRect bottomEdgeRect = bounds;

    bottomEdgeRect.size.height = 1.0;

    NSRectFillUsingOperation(bottomEdgeRect, NSCompositeSourceOver);

    NSRect topEdgeRect = bottomEdgeRect;

    topEdgeRect.origin.y = NSMaxY(bounds) - 1.0;

    NSRectFillUsingOperation(topEdgeRect, NSCompositeSourceOver);

}

@end