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[Examples] 2.0 Collection/Table API updates (#2390)

Browse Source 
* update VerticalWithinHorizontal example

* update SocialAppLayout

* update Kittens

* update HorizontalWithinVerticalScrolling

* update AsyncDisplayKitOverview

* update CustomCollectionView

* CatDealsCollectionView

* update Swift

* address @appleguy's comment

* updates for tableNode deselectRowAtIndexPath
This commit is contained in:
Hannah Troisi
2016-10-24 17:14:28 -07:00
committed by Adlai Holler
parent 0d439a43b6
commit 0b7dfcc54d
17 changed files with 275 additions and 288 deletions
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114
examples/CatDealsCollectionView/Sample/ViewController.m
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@@ -29,7 +29,7 @@ static const NSInteger kBatchSize = 20;
static const CGFloat kHorizontalSectionPadding = 10.0f;
static const CGFloat kVerticalSectionPadding = 20.0f;
@interface ViewController () <ASCollectionDataSource, ASCollectionViewDelegateFlowLayout>
@interface ViewController () <ASCollectionDataSource, ASCollectionDelegate, ASCollectionViewDelegateFlowLayout>
{
ASCollectionNode *_collectionNode;
NSMutableArray *_data;
@@ -45,15 +45,15 @@ static const CGFloat kVerticalSectionPadding = 20.0f;
- (instancetype)init
{
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
_collectionNode = [[ASCollectionNode alloc] initWithCollectionViewLayout:layout];
self = [super initWithNode:_collectionNode];
if (self) {
self.title = @"Cat Deals";
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
_collectionNode = [[ASCollectionNode alloc] initWithCollectionViewLayout:layout];
_collectionNode.dataSource = self;
_collectionNode.delegate = self;
_collectionNode.backgroundColor = [UIColor grayColor];
@@ -63,10 +63,10 @@ static const CGFloat kVerticalSectionPadding = 20.0f;
preloadTuning.trailingBufferScreenfuls = 1;
[_collectionNode setTuningParameters:preloadTuning forRangeType:ASLayoutRangeTypePreload];
ASRangeTuningParameters preRenderTuning;
preRenderTuning.leadingBufferScreenfuls = 1;
preRenderTuning.trailingBufferScreenfuls = 0.5;
[_collectionNode setTuningParameters:preRenderTuning forRangeType:ASLayoutRangeTypeDisplay];
ASRangeTuningParameters displayTuning;
displayTuning.leadingBufferScreenfuls = 1;
displayTuning.trailingBufferScreenfuls = 0.5;
[_collectionNode setTuningParameters:displayTuning forRangeType:ASLayoutRangeTypeDisplay];
[_collectionNode registerSupplementaryNodeOfKind:UICollectionElementKindSectionHeader];
[_collectionNode registerSupplementaryNodeOfKind:UICollectionElementKindSectionFooter];
@@ -151,10 +151,9 @@ static const CGFloat kVerticalSectionPadding = 20.0f;
[_collectionNode reloadData];
}
#pragma mark -
#pragma mark ASCollectionView data source.
#pragma mark - ASCollectionNodeDelegate / ASCollectionNodeDataSource
- (ASCellNodeBlock)collectionView:(ASCollectionView *)collectionView nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath
- (ASCellNodeBlock)collectionNode:(ASCollectionNode *)collectionNode nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath
{
ItemViewModel *viewModel = _data[indexPath.item];
return ^{
@@ -162,7 +161,8 @@ static const CGFloat kVerticalSectionPadding = 20.0f;
};
}
- (ASCellNode *)collectionView:(UICollectionView *)collectionView nodeForSupplementaryElementOfKind:(nonnull NSString *)kind atIndexPath:(nonnull NSIndexPath *)indexPath {
- (ASCellNode *)collectionNode:(ASCollectionNode *)collectionNode nodeForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
if ([kind isEqualToString:UICollectionElementKindSectionHeader] && indexPath.section == 0) {
return [[BlurbNode alloc] init];
} else if ([kind isEqualToString:UICollectionElementKindSectionFooter] && indexPath.section == 0) {
@@ -171,6 +171,44 @@ static const CGFloat kVerticalSectionPadding = 20.0f;
return nil;
}
- (ASSizeRange)collectionNode:(ASCollectionNode *)collectionNode constrainedSizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
CGFloat collectionViewWidth = CGRectGetWidth(self.view.frame) - 2 * kHorizontalSectionPadding;
CGFloat oneItemWidth = [ItemNode preferredViewSize].width;
NSInteger numColumns = floor(collectionViewWidth / oneItemWidth);
// Number of columns should be at least 1
numColumns = MAX(1, numColumns);
CGFloat totalSpaceBetweenColumns = (numColumns - 1) * kHorizontalSectionPadding;
CGFloat itemWidth = ((collectionViewWidth - totalSpaceBetweenColumns) / numColumns);
CGSize itemSize = [ItemNode sizeForWidth:itemWidth];
return ASSizeRangeMake(itemSize, itemSize);
}
- (NSInteger)collectionNode:(ASCollectionNode *)collectionNode numberOfItemsInSection:(NSInteger)section
{
return [_data count];
}
- (NSInteger)numberOfSectionsInCollectionNode:(ASCollectionNode *)collectionNode
{
return 1;
}
- (void)collectionNode:(ASCollectionNode *)collectionNode willBeginBatchFetchWithContext:(ASBatchContext *)context
{
NSLog(@"fetch additional content");
[self fetchMoreCatsWithCompletion:^(BOOL finished){
[context completeBatchFetching:YES];
}];
}
#pragma mark - ASCollectionViewDelegateFlowLayout
- (UIEdgeInsets)collectionView:(ASCollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
return UIEdgeInsetsMake(kVerticalSectionPadding, kHorizontalSectionPadding, kVerticalSectionPadding, kHorizontalSectionPadding);
}
- (CGSize)collectionView:(ASCollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section {
if (section == 0) {
CGFloat width = CGRectGetWidth(self.view.frame) - 2 * kHorizontalSectionPadding;
@@ -187,55 +225,5 @@ static const CGFloat kVerticalSectionPadding = 20.0f;
return CGSizeZero;
}
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath {
CGFloat collectionViewWidth = CGRectGetWidth(self.view.frame) - 2 * kHorizontalSectionPadding;
CGFloat oneItemWidth = [ItemNode preferredViewSize].width;
NSInteger numColumns = floor(collectionViewWidth / oneItemWidth);
// Number of columns should be at least 1
numColumns = MAX(1, numColumns);
CGFloat totalSpaceBetweenColumns = (numColumns - 1) * kHorizontalSectionPadding;
CGFloat itemWidth = ((collectionViewWidth - totalSpaceBetweenColumns) / numColumns);
CGSize itemSize = [ItemNode sizeForWidth:itemWidth];
return ASSizeRangeMake(itemSize, itemSize);
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
return [_data count];
}
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
return 1;
}
- (void)collectionViewLockDataSource:(ASCollectionView *)collectionView
{
// lock the data source
// The data source should not be change until it is unlocked.
}
- (void)collectionViewUnlockDataSource:(ASCollectionView *)collectionView
{
// unlock the data source to enable data source updating.
}
- (void)collectionView:(UICollectionView *)collectionView willBeginBatchFetchWithContext:(ASBatchContext *)context
{
NSLog(@"fetch additional content");
[self fetchMoreCatsWithCompletion:^(BOOL finished){
[context completeBatchFetching:YES];
}];
}
- (UIEdgeInsets)collectionView:(ASCollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
return UIEdgeInsetsMake(kVerticalSectionPadding, kHorizontalSectionPadding, kVerticalSectionPadding, kHorizontalSectionPadding);
}
-(void)dealloc
{
NSLog(@"ViewController is deallocing");
}
@end