add RATreeView as source

doric-iOS/Devkit/Classes/RATreeView/RATreeNodeCollectionController.h

@@ -0,0 +1,53 @@
+
+//The MIT License (MIT)
+//
+//Copyright (c) 2014 Rafał Augustyniak
+//
+//Permission is hereby granted, free of charge, to any person obtaining a copy of
+//this software and associated documentation files (the "Software"), to deal in
+//the Software without restriction, including without limitation the rights to
+//use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+//the Software, and to permit persons to whom the Software is furnished to do so,
+//subject to the following conditions:
+//
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+//FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+//COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+//IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+//CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#import <Foundation/Foundation.h>
+
+@class RATreeNodeController, RATreeNode, RATreeNodeCollectionController;
+
+@protocol RATreeNodeCollectionControllerDataSource <NSObject>
+
+- (NSInteger)treeNodeCollectionController:(RATreeNodeCollectionController *)controller numberOfChildrenForItem:(id)item;
+- (id)treeNodeCollectionController:(RATreeNodeCollectionController *)controller child:(NSInteger)childIndex ofItem:(id)item;
+
+@end
+
+
+@interface RATreeNodeCollectionController : NSObject
+
+@property (nonatomic, weak) id<RATreeNodeCollectionControllerDataSource> dataSource;
+@property (nonatomic, readonly) NSInteger numberOfVisibleRowsForItems;
+
+- (RATreeNode *)treeNodeForIndex:(NSInteger)index;
+- (NSInteger)levelForItem:(id)item;
+- (id)parentForItem:(id)item;
+- (id)childInParent:(id)parent atIndex:(NSInteger)index;
+
+- (NSInteger)indexForItem:(id)item;
+- (NSInteger)lastVisibleDescendantIndexForItem:(id)item;
+
+- (void)collapseRowForItem:(id)item collapseChildren:(BOOL)collapseChildren updates:(void(^)(NSIndexSet *))updates;
+- (void)expandRowForItem:(id)item expandChildren:(BOOL)expandChildren updates:(void (^)(NSIndexSet *))updates;
+
+- (void)insertItemsAtIndexes:(NSIndexSet *)indexes inParent:(id)item;
+- (void)moveItemAtIndex:(NSInteger)index inParent:(id)parent toIndex:(NSInteger)newIndex inParent:(id)newParent updates:(void(^)(NSIndexSet *deletions, NSIndexSet *additions))updates;
+- (void)removeItemsAtIndexes:(NSIndexSet *)indexes inParent:(id)item updates:(void(^)(NSIndexSet *))updates;
+
+@end