Added node access methods to ASTableView, ASCollectionView.

AsyncDisplayKit.xcworkspace/contents.xcworkspacedata

@@ -1 +1,10 @@
-<?xml version='1.0' encoding='UTF-8'?><Workspace version='1.0'><FileRef location='group:AsyncDisplayKit.xcodeproj'/><FileRef location='group:Pods/Pods.xcodeproj'/></Workspace>
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:AsyncDisplayKit.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

AsyncDisplayKit/ASCollectionView.h

@@ -63,6 +63,22 @@
 - (void)reloadItemsAtIndexPaths:(NSArray *)indexPaths;
 - (void)moveItemAtIndexPath:(NSIndexPath *)indexPath toIndexPath:(NSIndexPath *)newIndexPath;
 
+/**
+ * Similar to -cellForItemAtIndexPath:.
+ *
+ * @param indexPath The index path of the requested node.
+ *
+ * @returns a node for display at this indexpath.
+ */
+- (ASCellNode *)nodeForItemAtIndexPath:(NSIndexPath *)indexPath;
+
+/**
+ * Similar to -visibleCells.
+ *
+ * @returns an array containing the nodes being displayed on screen.
+ */
+- (NSArray *)visibleNodes;
+
 /**
  * Query the sized node at `indexPath` for its calculatedSize.
  *

AsyncDisplayKit/ASCollectionView.mm

@@ -196,6 +196,19 @@ static BOOL _isInterceptedSelector(SEL sel)
   return [[_dataController nodeAtIndexPath:indexPath] calculatedSize];
 }
 
+- (NSArray *)visibleNodes
+{
+  NSArray *indexPaths = [self indexPathsForVisibleItems];
+  NSMutableArray *visibleNodes = [[NSMutableArray alloc] init];
+
+  [indexPaths enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+    ASCellNode *visibleNode = [self nodeForItemAtIndexPath:obj];
+    [visibleNodes addObject:visibleNode];
+  }];
+
+  return visibleNodes;
+}
+
 #pragma mark Assertions.
 
 - (void)insertSections:(NSIndexSet *)sections
@@ -238,6 +251,10 @@ static BOOL _isInterceptedSelector(SEL sel)
   [_dataController moveRowAtIndexPath:indexPath toIndexPath:newIndexPath withAnimationOption:kASCollectionViewAnimationNone];
 }
 
+- (ASCellNode *)nodeForItemAtIndexPath:(NSIndexPath *)indexPath
+{
+  return [_dataController nodeAtIndexPath:indexPath];
+}
 
 #pragma mark -
 #pragma mark Intercepted selectors.

AsyncDisplayKit/ASTableView.h

@@ -72,6 +72,22 @@
 - (void)reloadRowsAtIndexPaths:(NSArray *)indexPaths withRowAnimation:(UITableViewRowAnimation)animation;
 - (void)moveRowAtIndexPath:(NSIndexPath *)indexPath toIndexPath:(NSIndexPath *)newIndexPath;
 
+/**
+ * Similar to -cellForRowAtIndexPath:.
+ * 
+ * @param indexPath The index path of the requested node.
+ *
+ * @returns a node for display at this indexpath.
+ */
+- (ASCellNode *)nodeForRowAtIndexPath:(NSIndexPath *)indexPath;
+
+/**
+ * Similar to -visibleCells.
+ *
+ * @returns an array containing the nodes being displayed on screen.
+ */
+- (NSArray *)visibleNodes;
+
 @end
 
 

AsyncDisplayKit/ASTableView.mm

@@ -198,6 +198,24 @@ static BOOL _isInterceptedSelector(SEL sel)
   _layoutController.tuningParameters = tuningParameters;
 }
 
+- (ASCellNode *)nodeForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+  return [_dataController nodeAtIndexPath:indexPath];
+}
+
+- (NSArray *)visibleNodes
+{
+  NSArray *indexPaths = [self indexPathsForVisibleRows];
+  NSMutableArray *visibleNodes = [[NSMutableArray alloc] init];
+
+  [indexPaths enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+    ASCellNode *visibleNode = [self nodeForRowAtIndexPath:obj];
+    [visibleNodes addObject:visibleNode];
+  }];
+
+  return visibleNodes;
+}
+
 #pragma mark Assertions.
 
 - (void)throwUnimplementedException

Podfile.lock

@@ -7,4 +7,4 @@ DEPENDENCIES:
 SPEC CHECKSUMS:
   OCMock: 6db79185520e24f9f299548f2b8b07e41d881bd5
 
-COCOAPODS: 0.34.4
+COCOAPODS: 0.35.0