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Added selection API to ASTableNode and ASCollectionNode (#2453)

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* Added selection API to ASTableNode and ASCollectionNode (#2450)

* Updated test case to use collectionNode instead of collectionView for the selection tests.

* Fixed typos.
Added asserts for main thread.
Updated ASCollectionViewTests for multiple selections for nodes.

* Added assigns to the different properties.
This commit is contained in:
george-gw
2016-10-24 18:30:09 +02:00
committed by Adlai Holler
parent 4dca05767b
commit 3638feffd4
5 changed files with 311 additions and 13 deletions
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70
AsyncDisplayKit/ASCollectionNode.mm
View File

@@ -27,7 +27,9 @@
@interface _ASCollectionPendingState : NSObject
@property (weak, nonatomic) id <ASCollectionDelegate> delegate;
@property (weak, nonatomic) id <ASCollectionDataSource> dataSource;
@property (assign, nonatomic) ASLayoutRangeMode rangeMode;
@property (nonatomic, assign) ASLayoutRangeMode rangeMode;
@property (nonatomic, assign) BOOL allowsSelection; // default is YES
@property (nonatomic, assign) BOOL allowsMultipleSelection; // default is NO
@end
@implementation _ASCollectionPendingState
@@ -37,6 +39,8 @@
self = [super init];
if (self) {
_rangeMode = ASLayoutRangeModeCount;
_allowsSelection = YES;
_allowsMultipleSelection = NO;
}
return self;
}
@@ -143,9 +147,11 @@
if (_pendingState) {
_ASCollectionPendingState *pendingState = _pendingState;
self.pendingState = nil;
view.asyncDelegate = pendingState.delegate;
view.asyncDataSource = pendingState.dataSource;
self.pendingState = nil;
view.asyncDelegate = pendingState.delegate;
view.asyncDataSource = pendingState.dataSource;
view.allowsSelection = pendingState.allowsSelection;
view.allowsMultipleSelection = pendingState.allowsMultipleSelection;
if (pendingState.rangeMode != ASLayoutRangeModeCount) {
[view.rangeController updateCurrentRangeWithMode:pendingState.rangeMode];
@@ -251,6 +257,44 @@
}
}
- (void)setAllowsSelection:(BOOL)allowsSelection
{
if ([self pendingState]) {
_pendingState.allowsSelection = allowsSelection;
} else {
ASDisplayNodeAssert([self isNodeLoaded], @"ASCollectionNode should be loaded if pendingState doesn't exist");
self.view.allowsSelection = allowsSelection;
}
}
- (BOOL)allowsSelection
{
if ([self pendingState]) {
return _pendingState.allowsSelection;
} else {
return self.view.allowsSelection;
}
}
- (void)setAllowsMultipleSelection:(BOOL)allowsMultipleSelection
{
if ([self pendingState]) {
_pendingState.allowsMultipleSelection = allowsMultipleSelection;
} else {
ASDisplayNodeAssert([self isNodeLoaded], @"ASCollectionNode should be loaded if pendingState doesn't exist");
self.view.allowsMultipleSelection = allowsMultipleSelection;
}
}
- (BOOL)allowsMultipleSelection
{
if ([self pendingState]) {
return _pendingState.allowsMultipleSelection;
} else {
return self.view.allowsMultipleSelection;
}
}
#pragma mark - Range Tuning
- (ASRangeTuningParameters)tuningParametersForRangeType:(ASLayoutRangeType)rangeType
@@ -273,6 +317,24 @@
return [self.rangeController setTuningParameters:tuningParameters forRangeMode:rangeMode rangeType:rangeType];
}
#pragma mark - Selection
- (void)selectItemAtIndexPath:(nullable NSIndexPath *)indexPath animated:(BOOL)animated scrollPosition:(UICollectionViewScrollPosition)scrollPosition
{
ASDisplayNodeAssertMainThread();
// TODO: Solve this in a way to be able to remove this restriction (https://github.com/facebook/AsyncDisplayKit/pull/2453#discussion_r84515457)
ASDisplayNodeAssert([self isNodeLoaded], @"ASCollectionNode should be loaded before calling selectItemAtIndexPath");
[self.view selectItemAtIndexPath:indexPath animated:animated scrollPosition:scrollPosition];
}
- (void)deselectItemAtIndexPath:(NSIndexPath *)indexPath animated:(BOOL)animated
{
ASDisplayNodeAssertMainThread();
// TODO: Solve this in a way to be able to remove this restriction (https://github.com/facebook/AsyncDisplayKit/pull/2453#discussion_r84515457)
ASDisplayNodeAssert([self isNodeLoaded], @"ASCollectionNode should be loaded before calling deselectItemAtIndexPath");
[self.view deselectItemAtIndexPath:indexPath animated:animated];
}
#pragma mark - Querying Data
- (NSInteger)numberOfItemsInSection:(NSInteger)section