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