//
//  SampleButton.m
//  insetSample
//
//  Copyright (c) 2012  Dirk-Willem van Gulik. All rights reserved.
//
//  Licensed under the ASL or BSD license.

#import "SampleButton.h"

@implementation SampleButton

- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (self) {
        [self completeInit];
    }
    return self;
}

-(void)setType:(int)aType { type = aType; [self completeInit]; }
-(int)type { return type; }

-(void)completeInit {
    UIImage * base = [UIImage imageNamed:@"button.png"];
    UIEdgeInsets edgeInsets = UIEdgeInsetsMake(20,20,20,20);

    CGContextRef ctx;
    UIImage * img;

    switch (type) {
        case 1: // with insets, drawn straight
            base = [base resizableImageWithCapInsets:edgeInsets];
        case 0: // without insets, drawn straight
            img = base;
            break;
        case 3:  // with insets; dranw through an image context
            base = [base resizableImageWithCapInsets:edgeInsets];
        case 2:  // without insets; dranw through an image context
            UIGraphicsBeginImageContextWithOptions(self.bounds.size, NO, 0);
            ctx = UIGraphicsGetCurrentContext();
            CGContextDrawImage(ctx, CGRectMake(0,0,self.bounds.size.width,
                                               self.bounds.size.height), [base CGImage]);

            img = UIGraphicsGetImageFromCurrentImageContext();
            UIGraphicsEndImageContext();
            break;
        default:
            break;
    }

    [self setImage:img forState:UIControlStateNormal];

    // Esnure that the image is (also) scaled 'up' and not just down in
    // a non aspect preserving manner.
    //
    [[self imageView] setContentMode: UIViewContentModeScaleToFill];
    self.contentHorizontalAlignment = UIControlContentHorizontalAlignmentFill;
    self.contentVerticalAlignment = UIControlContentVerticalAlignmentFill;

}

@end