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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
59 lines
1.5 KiB
Objective-C
59 lines
1.5 KiB
Objective-C
//
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// SupplementaryNode.m
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import "SupplementaryNode.h"
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#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
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#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
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#import <AsyncDisplayKit/ASCenterLayoutSpec.h>
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static CGFloat kInsets = 15.0;
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@interface SupplementaryNode ()
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@property (nonatomic, strong) ASTextNode *textNode;
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@end
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@implementation SupplementaryNode
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- (instancetype)initWithText:(NSString *)text
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{
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self = [super init];
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if (self != nil) {
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_textNode = [[ASTextNode alloc] init];
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_textNode.attributedText = [[NSAttributedString alloc] initWithString:text
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attributes:[self textAttributes]];
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[self addSubnode:_textNode];
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}
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return self;
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}
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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ASCenterLayoutSpec *center = [[ASCenterLayoutSpec alloc] init];
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center.centeringOptions = ASCenterLayoutSpecCenteringXY;
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center.child = self.textNode;
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UIEdgeInsets insets = UIEdgeInsetsMake(kInsets, kInsets, kInsets, kInsets);
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return [ASInsetLayoutSpec insetLayoutSpecWithInsets:insets child:center];
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}
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#pragma mark - Text Formatting
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- (NSDictionary *)textAttributes
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{
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return @{
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NSFontAttributeName: [UIFont systemFontOfSize:18.0],
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NSForegroundColorAttributeName: [UIColor whiteColor],
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};
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}
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@end
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