123 lines
3.3 KiB
Objective-C
Executable File
123 lines
3.3 KiB
Objective-C
Executable File
/*
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MIT License (MIT)
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Copyright (c) 2015 Clement CN Tsang
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#import "PureLayout.h"
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#import "CTAssetSelectionButton.h"
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#import "CTAssetCheckmark.h"
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#import "NSBundle+CTAssetsPickerController.h"
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#import "UIImage+CTAssetsPickerController.h"
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@interface CTAssetSelectionButton ()
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@property (nonatomic, strong) CTAssetCheckmark *checkmark;
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@property (nonatomic, strong) UIImageView *backgroundView;
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@property (nonatomic, assign) BOOL didSetupConstraints;
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@end
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@implementation CTAssetSelectionButton
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- (instancetype)initWithFrame:(CGRect)frame
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{
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self = [super initWithFrame:frame];
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if (self)
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{
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self.isAccessibilityElement = YES;
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self.accessibilityTraits = UIAccessibilityTraitButton;
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[self setupViews];
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[self localize];
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}
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return self;
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}
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#pragma mark - Setup
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- (void)setupViews
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{
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// Background
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UIImage *backgroundImage = [UIImage ctassetsPickerImageNamed:@"CheckmarkUnselected"];
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UIImageView *backgroundView = [[UIImageView alloc] initWithImage:backgroundImage];
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backgroundView.userInteractionEnabled = NO;
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self.backgroundView = backgroundView;
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[self addSubview:self.backgroundView];
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// Checkmark
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CTAssetCheckmark *checkmark = [CTAssetCheckmark newAutoLayoutView];
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checkmark.userInteractionEnabled = NO;
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checkmark.hidden = YES;
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self.checkmark = checkmark;
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[self addSubview:self.checkmark];
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}
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- (void)localize
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{
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self.accessibilityLabel = CTAssetsPickerLocalizedString(@"Select", nil);
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}
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- (void)updateConstraints
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{
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if (!self.didSetupConstraints)
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{
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CGSize size = [UIImage ctassetsPickerImageNamed:@"CheckmarkUnselected"].size;
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[NSLayoutConstraint autoSetPriority:UILayoutPriorityRequired forConstraints:^{
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[self autoSetDimensionsToSize:size];
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}];
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[self.backgroundView autoCenterInSuperview];
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[self.checkmark autoCenterInSuperview];
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self.didSetupConstraints = YES;
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}
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[super updateConstraints];
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}
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#pragma mark - States
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- (void)setSelected:(BOOL)selected
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{
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super.selected = selected;
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self.checkmark.hidden = !selected;
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self.accessibilityLabel = (selected) ? CTAssetsPickerLocalizedString(@"Deselect", nil) : CTAssetsPickerLocalizedString(@"Select", nil);
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}
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@end
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