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/*
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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 "CTAssetsPickerDefines.h"
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#import "CTAssetCollectionViewCell.h"
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#import "NSBundle+CTAssetsPickerController.h"
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#import "UIImage+CTAssetsPickerController.h"
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#import "NSNumberFormatter+CTAssetsPickerController.h"
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@interface CTAssetCollectionViewCell ()
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@property (nonatomic, assign) CGSize thumbnailSize;
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@property (nonatomic, strong) CTAssetThumbnailStacks *thumbnailStacks;
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@property (nonatomic, strong) UIView *labelsView;
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@property (nonatomic, strong) UILabel *titleLabel;
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@property (nonatomic, strong) UILabel *countLabel;
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@property (nonatomic, assign) BOOL didSetupConstraints;
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@property (nonatomic, strong) PHAssetCollection *collection;
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@property (nonatomic, assign) NSUInteger count;
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@end
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@implementation CTAssetCollectionViewCell
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- (instancetype)initWithThumbnailSize:(CGSize)size reuseIdentifier:(NSString *)reuseIdentifier;
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{
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if (self = [super initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseIdentifier])
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{
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_thumbnailSize = size;
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_titleTextColor = CTAssetCollectionViewCellTitleTextColor;
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_selectedTitleTextColor = CTAssetCollectionViewCellTitleTextColor;
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_countTextColor = CTAssetCollectionViewCellCountTextColor;
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_selectedCountTextColor = CTAssetCollectionViewCellCountTextColor;
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_accessoryColor = CTAssetCollectionViewCellAccessoryColor;
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_selectedAccessoryColor = CTAssetCollectionViewCellAccessoryColor;
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self.opaque = YES;
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self.isAccessibilityElement = YES;
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self.textLabel.backgroundColor = self.backgroundColor;
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self.detailTextLabel.backgroundColor = self.backgroundColor;
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self.accessoryType = UITableViewCellAccessoryNone;
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[self setupViews];
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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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CTAssetThumbnailStacks *thumbnailStacks = [CTAssetThumbnailStacks newAutoLayoutView];
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thumbnailStacks.thumbnailSize = self.thumbnailSize;
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self.thumbnailStacks = thumbnailStacks;
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UILabel *titleLabel = [UILabel newAutoLayoutView];
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titleLabel.font = CTAssetCollectionViewCellTitleFont;
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titleLabel.textColor = self.titleTextColor;
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self.titleLabel = titleLabel;
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UILabel *countLabel = [UILabel newAutoLayoutView];
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countLabel.font = CTAssetCollectionViewCellCountFont;
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countLabel.textColor = self.countTextColor;
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self.countLabel = countLabel;
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UIView *labelsView = [UIView newAutoLayoutView];
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[labelsView addSubview:self.titleLabel];
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[labelsView addSubview:self.countLabel];
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self.labelsView = labelsView;
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[self.contentView addSubview:self.thumbnailStacks];
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[self.contentView addSubview:self.labelsView];
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UIImage *accessory = [UIImage ctassetsPickerImageNamed:@"DisclosureArrow"];
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accessory = [accessory imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
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UIImageView *accessoryView = [[UIImageView alloc] initWithImage:accessory];
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accessoryView.tintColor = self.accessoryColor;
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self.accessoryView = accessoryView;
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}
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- (void)setupPlaceholderImage
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{
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NSString *imageName = [self placeHolderImageNameOfCollectionSubtype:self.collection.assetCollectionSubtype];
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UIImage *image = [UIImage ctassetsPickerImageNamed:imageName];
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image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
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for (CTAssetThumbnailView *thumbnailView in self.thumbnailStacks.thumbnailViews)
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{
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[thumbnailView bind:nil assetCollection:nil];
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thumbnailView.backgroundImage = image;
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}
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}
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- (NSString *)placeHolderImageNameOfCollectionSubtype:(PHAssetCollectionSubtype)subtype
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{
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if (subtype == PHAssetCollectionSubtypeSmartAlbumUserLibrary)
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return @"GridEmptyCameraRoll";
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else if (subtype == PHAssetCollectionSubtypeSmartAlbumAllHidden)
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return @"GridHiddenAlbum";
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else if (subtype == PHAssetCollectionSubtypeAlbumCloudShared)
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return @"GridEmptyAlbumShared";
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else
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return @"GridEmptyAlbum";
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}
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#pragma mark - Apperance
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- (UIFont *)titleFont
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{
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return self.titleLabel.font;
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}
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- (void)setTitleFont:(UIFont *)titleFont
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{
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UIFont *font = (titleFont) ? titleFont : CTAssetCollectionViewCellTitleFont;
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self.titleLabel.font = font;
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}
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- (void)setTitleTextColor:(UIColor *)titleTextColor
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{
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UIColor *color = (titleTextColor) ? titleTextColor : CTAssetCollectionViewCellTitleTextColor;
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_titleTextColor = color;
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}
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- (void)setSelectedTitleTextColor:(UIColor *)titleTextColor
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{
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UIColor *color = (titleTextColor) ? titleTextColor : CTAssetCollectionViewCellTitleTextColor;
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_selectedTitleTextColor = color;
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}
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- (UIFont *)countFont
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{
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return self.countLabel.font;
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}
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- (void)setCountFont:(UIFont *)countFont
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{
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UIFont *font = (countFont) ? countFont : CTAssetCollectionViewCellCountFont;
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self.countLabel.font = font;
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}
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- (void)setCountTextColor:(UIColor *)countTextColor
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{
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UIColor *color = (countTextColor) ? countTextColor : CTAssetCollectionViewCellCountTextColor;
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_countTextColor = color;
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}
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- (void)setSelectedCountTextColor:(UIColor *)countTextColor
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{
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UIColor *color = (countTextColor) ? countTextColor : CTAssetCollectionViewCellCountTextColor;
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_selectedCountTextColor = color;
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}
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- (void)setAccessoryColor:(UIColor *)accessoryColor
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{
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UIColor *color = (accessoryColor) ? accessoryColor : CTAssetCollectionViewCellAccessoryColor;
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_accessoryColor = color;
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}
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- (void)setSelectedAccessoryColor:(UIColor *)accessoryColor
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{
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UIColor *color = (accessoryColor) ? accessoryColor : CTAssetCollectionViewCellAccessoryColor;
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_selectedAccessoryColor = color;
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}
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- (UIColor *)selectedBackgroundColor
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{
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return self.selectedBackgroundView.backgroundColor;
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}
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- (void)setSelectedBackgroundColor:(UIColor *)selectedBackgroundColor
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{
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if (!selectedBackgroundColor)
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self.selectedBackgroundView = nil;
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else
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{
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UIView *view = [UIView new];
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view.backgroundColor = selectedBackgroundColor;
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self.selectedBackgroundView = view;
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}
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}
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#pragma mark - Override highlighted / selected
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- (void)setHighlighted:(BOOL)highlighted animated:(BOOL)animated
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{
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[super setHighlighted:highlighted animated:animated];
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[self.thumbnailStacks setHighlighted:highlighted];
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self.titleLabel.textColor = (highlighted) ? self.selectedTitleTextColor : self.titleTextColor;
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self.countLabel.textColor = (highlighted) ? self.selectedCountTextColor : self.countTextColor;
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self.accessoryView.tintColor = (highlighted) ? self.selectedAccessoryColor : self.accessoryColor;
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}
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- (void)setSelected:(BOOL)selected animated:(BOOL)animated
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{
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[super setSelected:selected animated:animated];
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[self.thumbnailStacks setHighlighted:selected];
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self.titleLabel.textColor = (selected) ? self.selectedTitleTextColor : self.titleTextColor;
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self.countLabel.textColor = (selected) ? self.selectedCountTextColor : self.countTextColor;
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self.accessoryView.tintColor = (selected) ? self.selectedAccessoryColor : self.accessoryColor;
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}
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#pragma mark - Update auto layout constraints
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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 = self.thumbnailSize;
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CGFloat top = self.thumbnailStacks.edgeInsets.top;
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size.height += top;
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[NSLayoutConstraint autoSetPriority:UILayoutPriorityRequired forConstraints:^{
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[self.thumbnailStacks autoSetDimensionsToSize:size];
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}];
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[NSLayoutConstraint autoSetPriority:UILayoutPriorityDefaultHigh forConstraints:^{
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[self.thumbnailStacks autoPinEdgesToSuperviewMarginsExcludingEdge:ALEdgeTrailing];
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}];
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[self.labelsView autoAlignAxisToSuperviewAxis:ALAxisHorizontal];
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[self.labelsView autoPinEdge:ALEdgeLeading
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toEdge:ALEdgeTrailing
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ofView:self.thumbnailStacks
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withOffset:self.labelsView.layoutMargins.left
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relation:NSLayoutRelationGreaterThanOrEqual];
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[self.titleLabel autoPinEdgesToSuperviewMarginsExcludingEdge:ALEdgeBottom];
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[self.countLabel autoPinEdgesToSuperviewMarginsExcludingEdge:ALEdgeTop];
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[self.countLabel autoPinEdge:ALEdgeTop
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toEdge:ALEdgeBottom
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ofView:self.titleLabel
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withOffset:self.countLabel.layoutMargins.top
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relation:NSLayoutRelationGreaterThanOrEqual];
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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 - Bind asset collection
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- (void)bind:(PHAssetCollection *)collection count:(NSUInteger)count
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{
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self.collection = collection;
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self.count = count;
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[self setupPlaceholderImage];
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self.titleLabel.text = collection.localizedTitle;
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if (count != NSNotFound)
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{
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NSNumberFormatter *nf = [NSNumberFormatter new];
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self.countLabel.text = [nf ctassetsPickerStringFromAssetsCount:count];
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}
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[self setNeedsUpdateConstraints];
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[self updateConstraintsIfNeeded];
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}
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#pragma mark - Accessibility label
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- (NSString *)accessibilityLabel
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{
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NSString *title = self.titleLabel.text;
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NSString *count = [NSString stringWithFormat:CTAssetsPickerLocalizedString(@"%@ Photos", nil), self.countLabel.text];
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NSArray *labels = @[title, count];
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return [labels componentsJoinedByString:@","];
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}
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@end
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