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add reset logic when item count or render page changed

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This commit is contained in:
王劲鹏
2021-07-08 20:02:37 +08:00
committed by osborn
parent 98c3bc6668
commit 560990a39e
2 changed files with 68 additions and 45 deletions
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69
doric-iOS/Pod/Classes/Shader/DoricSliderNode.m
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@@ -34,11 +34,14 @@ @implementation DoricSliderViewCell
@interface DoricSliderNode () <UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>
@property(nonatomic, strong) NSMutableDictionary <NSNumber *, NSString *> *itemViewIds;
@property(nonatomic, assign) NSUInteger itemCount;
@property(nonatomic, assign) NSUInteger propItemCount;
@property(nonatomic, assign) NSUInteger batchCount;
@property(nonatomic, copy) NSString *onPageSelectedFuncId;
@property(nonatomic) BOOL loop;
@property(nonatomic) BOOL propLoop;
@property(nonatomic, assign) NSUInteger lastPosition;
@property(nonatomic, copy) NSString *renderPageFuncId;
@property(nonatomic, copy) NSString *propRenderPageFuncId;
@end
@interface DoricSliderView : UICollectionView
@@ -79,40 +82,15 @@ - (void)blendView:(UICollectionView *)view forPropName:(NSString *)name propValu
if ([@"scrollable" isEqualToString:name]) {
self.view.scrollEnabled = [prop boolValue];
} else if ([@"itemCount" isEqualToString:name]) {
self.itemCount = [prop unsignedIntegerValue];
[self.view reloadData];
self.propItemCount = [prop unsignedIntegerValue];
} else if ([@"renderPage" isEqualToString:name]) {
if ([self.renderPageFuncId isEqualToString:prop]) {
} else {
[self.itemViewIds removeAllObjects];
[self clearSubModel];
[self.view reloadData];
self.renderPageFuncId = prop;
}
self.propRenderPageFuncId = prop;
} else if ([@"batchCount" isEqualToString:name]) {
self.batchCount = [prop unsignedIntegerValue];
} else if ([@"onPageSlided" isEqualToString:name]) {
self.onPageSelectedFuncId = prop;
} else if ([@"loop" isEqualToString:name]) {
self.loop = [prop boolValue];
__weak typeof(self) _self = self;
if (self.loop) {
dispatch_async(dispatch_get_main_queue(), ^{
__strong typeof(_self) self = _self;
[self.view reloadData];
[self.view setContentOffset:CGPointMake(1 * self.view.width, self.view.contentOffset.y) animated:false];
});
} else {
dispatch_async(dispatch_get_main_queue(), ^{
__strong typeof(_self) self = _self;
[self.view reloadData];
[self.view setContentOffset:CGPointMake(0, self.view.contentOffset.y) animated:false];
});
}
self.propLoop = [prop boolValue];
} else if ([@"bounces" isEqualToString:name]) {
self.view.bounces = [prop boolValue];
} else {
@@ -120,6 +98,41 @@ - (void)blendView:(UICollectionView *)view forPropName:(NSString *)name propValu
}
}
- (void)afterBlended:(NSDictionary *)props {
bool needToScroll = (self.propLoop && !self.loop)
|| (![self.renderPageFuncId isEqualToString: self.propRenderPageFuncId])
|| (self.itemCount == 0 && self.propItemCount > 0);
// handle item count
if (self.itemCount != self.propItemCount) {
self.itemCount = self.propItemCount;
[self.view reloadData];
}
// handle render page
if ([self.renderPageFuncId isEqualToString:self.propRenderPageFuncId]) {
} else {
[self.itemViewIds removeAllObjects];
[self clearSubModel];
[self.view reloadData];
self.renderPageFuncId = self.propRenderPageFuncId;
}
// handle loop
self.loop = self.propLoop;
__weak typeof(self) _self = self;
if (needToScroll) {
dispatch_async(dispatch_get_main_queue(), ^{
__strong typeof(_self) self = _self;
[self.view reloadData];
[self.view setContentOffset:CGPointMake(1 * self.view.width, self.view.contentOffset.y) animated:false];
});
}
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
if (self.loop && self.itemCount > 0) {
return self.itemCount + 2;