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iOS: slider add property slideStyle

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This commit is contained in:
pengfei.zhou
2022-07-15 18:37:09 +08:00
committed by osborn
parent c05c169dd7
commit e1bb564d14
3 changed files with 36 additions and 8 deletions
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30
doric-iOS/Pod/Classes/Shader/DoricSliderNode.m
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@@ -43,6 +43,9 @@ @interface DoricSliderNode () <UICollectionViewDataSource, UICollectionViewDeleg
@property(nonatomic, copy) NSString *renderPageFuncId;
@property(nonatomic, copy) NSString *propRenderPageFuncId;
@property(nonatomic, assign) BOOL needResetScroll;
@property(nonatomic, strong) NSString *slideStyle;
@property(nonatomic, assign) CGFloat minScale;
@property(nonatomic, assign) CGFloat maxScale;
@end
@interface DoricSliderView : UICollectionView
@@ -56,6 +59,8 @@ - (instancetype)initWithContext:(DoricContext *)doricContext {
if (self = [super initWithContext:doricContext]) {
_itemViewIds = [NSMutableDictionary new];
_batchCount = 15;
_minScale = .618f;
_maxScale = 1.f;
}
return self;
}
@@ -94,6 +99,14 @@ - (void)blendView:(UICollectionView *)view forPropName:(NSString *)name propValu
self.propLoop = [prop boolValue];
} else if ([@"bounces" isEqualToString:name]) {
self.view.bounces = [prop boolValue];
} else if ([@"slideStyle" isEqualToString:name]) {
if ([prop isKindOfClass:NSDictionary.class]) {
self.slideStyle = prop[@"type"];
self.maxScale = [prop[@"maxScale"] floatValue];
self.minScale = [prop[@"minScale"] floatValue];
} else if ([prop isKindOfClass:NSString.class]) {
self.slideStyle = prop;
}
} else {
[super blendView:view forPropName:name propValue:prop];
}
@@ -123,7 +136,7 @@ - (void)afterBlended:(NSDictionary *)props {
// handle loop
self.loop = self.propLoop;
__weak typeof(self) _self = self;
if (needToScroll) {
@@ -131,7 +144,7 @@ - (void)afterBlended:(NSDictionary *)props {
__strong typeof(_self) self = _self;
[self.view reloadData];
int position = self.loop ? 1 : 0;
if (self.view.width == 0) {
self.needResetScroll = true;
@@ -267,6 +280,19 @@ - (void)blendSubNode:(NSDictionary *)subModel {
}];
}
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
if ([self.slideStyle isEqualToString:@"zoomOut"]) {
CGFloat centerX = scrollView.width / 2.f;
[self.view.visibleCells forEach:^(__kindof UICollectionViewCell *obj) {
CGFloat vCenterX = obj.centerX - scrollView.contentOffset.x;
CGFloat percent = ABS(vCenterX - centerX) / centerX;
CGFloat scale = self.maxScale - (self.maxScale - self.minScale) * percent;
obj.transform = CGAffineTransformScale(CGAffineTransformIdentity, scale, scale);
obj.layer.anchorPoint = CGPointMake(0.5f, 0.5f);
}];
}
}
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
NSUInteger pageIndex = (NSUInteger) (scrollView.contentOffset.x / scrollView.width);
scrollView.contentOffset = CGPointMake(pageIndex * scrollView.width, scrollView.contentOffset.y);