71 lines
2.1 KiB
Mathematica
71 lines
2.1 KiB
Mathematica
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//
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// Created by pengfei.zhou on 2019/11/28.
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//
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#import "DoricCollectionNode.h"
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#import "DoricCollectionItemNode.h"
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#import "DoricExtensions.h"
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@interface DoricCollectionViewCell : UICollectionViewCell
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@property(nonatomic, strong) DoricCollectionItemNode *viewNode;
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@end
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@implementation DoricCollectionViewCell
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@end
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@interface DoricCollectionView : UICollectionView
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@end
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@implementation DoricCollectionView
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- (CGSize)sizeThatFits:(CGSize)size {
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if (self.subviews.count > 0) {
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CGFloat width = size.width;
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CGFloat height = size.height;
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for (UIView *child in self.subviews) {
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CGSize childSize = [child measureSize:size];
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width = MAX(childSize.width, width);
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height = MAX(childSize.height, height);
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}
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return CGSizeMake(width, height);
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}
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return size;
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}
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- (void)layoutSelf:(CGSize)targetSize {
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[super layoutSelf:targetSize];
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[self reloadData];
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}
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@end
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@interface DoricCollectionNode () <UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>
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@property(nonatomic, strong) NSMutableDictionary <NSNumber *, NSString *> *itemViewIds;
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@property(nonatomic, assign) NSUInteger itemCount;
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@property(nonatomic, assign) NSUInteger batchCount;
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@end
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@implementation DoricCollectionNode
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- (instancetype)initWithContext:(DoricContext *)doricContext {
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if (self = [super initWithContext:doricContext]) {
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_itemViewIds = [NSMutableDictionary new];
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_batchCount = 15;
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}
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return self;
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}
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- (UICollectionView *)build {
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UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];
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[flowLayout setScrollDirection:UICollectionViewScrollDirectionHorizontal];
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return [[[DoricCollectionView alloc] initWithFrame:CGRectZero
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collectionViewLayout:flowLayout]
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also:^(UICollectionView *it) {
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it.backgroundColor = [UIColor whiteColor];
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it.pagingEnabled = YES;
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it.delegate = self;
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it.dataSource = self;
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[it registerClass:[DoricCollectionViewCell class] forCellWithReuseIdentifier:@"doricCell"];
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}];
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}
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@end
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