[Examples] update example projects to 2.0 API (#2568)

* update example projects to latest Collection / Table API

* udpate delegate / data source methods

Author: Hannah Troisi

examples/ASCollectionView/Sample/ViewController.m

@@ -23,7 +23,7 @@
 
 @interface ViewController () <ASCollectionDataSource, ASCollectionViewDelegateFlowLayout>
 
-@property (nonatomic, strong) ASCollectionView *collectionView;
+@property (nonatomic, strong) ASCollectionNode *collectionNode;
 @property (nonatomic, strong) NSArray *data;
 
 @end
@@ -34,8 +34,8 @@ @implementation ViewController
 
 - (void)dealloc
 {
-  self.collectionView.asyncDataSource = nil;
-  self.collectionView.asyncDelegate = nil;
+  self.collectionNode.dataSource = nil;
+  self.collectionNode.delegate = nil;
 
   NSLog(@"ViewController is deallocing");
 }
@@ -50,19 +50,19 @@ - (void)viewDidLoad
 
   // This method is deprecated because we reccommend using ASCollectionNode instead of ASCollectionView.
   // This functionality & example project remains for users who insist on using ASCollectionView.
-  self.collectionView = [[ASCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:layout];
-  self.collectionView.asyncDataSource = self;
-  self.collectionView.asyncDelegate = self;
+  self.collectionNode = [[ASCollectionNode alloc] initWithFrame:self.view.bounds collectionViewLayout:layout];
+  self.collectionNode.dataSource = self;
+  self.collectionNode.delegate = self;
 
-  self.collectionView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
-  self.collectionView.backgroundColor = [UIColor whiteColor];
+  self.collectionNode.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+  self.collectionNode.backgroundColor = [UIColor whiteColor];
 
   // This method is deprecated because we reccommend using ASCollectionNode instead of ASCollectionView.
   // This functionality & example project remains for users who insist on using ASCollectionView.
-  [self.collectionView registerSupplementaryNodeOfKind:UICollectionElementKindSectionHeader];
-  [self.collectionView registerSupplementaryNodeOfKind:UICollectionElementKindSectionFooter];
+  [self.collectionNode registerSupplementaryNodeOfKind:UICollectionElementKindSectionHeader];
+  [self.collectionNode registerSupplementaryNodeOfKind:UICollectionElementKindSectionFooter];
 
-  [self.view addSubview:self.collectionView];
+  [self.view addSubnode:self.collectionNode];
 
 #if !SIMULATE_WEB_RESPONSE
   self.navigationItem.leftItemsSupplementBackButton = YES;
@@ -103,20 +103,20 @@ - (void)reloadTapped
 {
   // This method is deprecated because we reccommend using ASCollectionNode instead of ASCollectionView.
   // This functionality & example project remains for users who insist on using ASCollectionView.
-  [self.collectionView reloadData];
+  [self.collectionNode reloadData];
 }
 
 #pragma mark - ASCollectionView Data Source
 
-- (ASCellNodeBlock)collectionView:(ASCollectionView *)collectionView nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath;
+- (ASCellNodeBlock)collectionNode:(ASCollectionNode *)collectionNode nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath;
 {
   NSString *text = [NSString stringWithFormat:@"[%zd.%zd] says hi", indexPath.section, indexPath.item];
   return ^{
     return [[ItemNode alloc] initWithString:text];
   };
 }
 
-- (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
+- (ASCellNode *)collectionNode:(ASCollectionNode *)collectionNode nodeForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
 {
   NSString *text = [kind isEqualToString:UICollectionElementKindSectionHeader] ? @"Header" : @"Footer";
   SupplementaryNode *node = [[SupplementaryNode alloc] initWithText:text];
@@ -125,12 +125,12 @@ - (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForSupplem
   return node;
 }
 
-- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
+- (NSInteger)collectionNode:(ASCollectionNode *)collectionNode numberOfItemsInSection:(NSInteger)section
 {
   return 10;
 }
 
-- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
+- (NSInteger)numberOfSectionsInCollectionView:(ASCollectionNode *)collectionNode
 {
 #if SIMULATE_WEB_RESPONSE
   return _data == nil ? 0 : 100;
@@ -150,7 +150,7 @@ - (void)collectionViewUnlockDataSource:(ASCollectionView *)collectionView
   // unlock the data source to enable data source updating.
 }
 
-- (void)collectionView:(UICollectionView *)collectionView willBeginBatchFetchWithContext:(ASBatchContext *)context
+- (void)collectionNode:(ASCollectionNode *)collectionNode willBeginBatchFetchWithContext:(ASBatchContext *)context
 {
   NSLog(@"fetch additional content");
   [context completeBatchFetching:YES];

examples/ASViewController/Sample/ViewController.m

@@ -66,7 +66,7 @@ - (void)viewWillAppear:(BOOL)animated
 {
     [super viewWillAppear:animated];
 
-    [self.tableNode deselectRowAtIndexPath:self.tableNode.view.indexPathForSelectedRow animated:YES];
+    [self.tableNode deselectRowAtIndexPath:self.tableNode.indexPathForSelectedRow animated:YES];
 }
 
 

examples/AsyncDisplayKitOverview/Sample/OverviewComponentsViewController.m

@@ -140,7 +140,7 @@ - (void)viewWillAppear:(BOOL)animated
 {
     [super viewWillAppear:animated];
 
-    [_tableNode deselectRowAtIndexPath:_tableNode.view.indexPathForSelectedRow animated:YES];
+    [_tableNode deselectRowAtIndexPath:_tableNode.indexPathForSelectedRow animated:YES];
 }