54 lines
2.4 KiB
Objective-C
54 lines
2.4 KiB
Objective-C
|
|
//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
|