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/*
* Copyright 2012 Facebook
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import <UIKit/UIKit.h>
#import "FBGraphObject.h"
@protocol FBGraphObjectViewControllerDelegate;
@protocol FBGraphObjectSelectionQueryDelegate;
@protocol FBGraphObjectDataSourceDataNeededDelegate;
@class FBGraphObjectTableCell;
@interface FBGraphObjectTableDataSource : NSObject<UITableViewDataSource>
@property (nonatomic, retain) UIImage *defaultPicture;
@property (nonatomic, assign) id<FBGraphObjectViewControllerDelegate> controllerDelegate;
@property (nonatomic, copy) NSString *groupByField;
@property (nonatomic, assign) BOOL useCollation;
@property (nonatomic) BOOL itemTitleSuffixEnabled;
@property (nonatomic) BOOL itemPicturesEnabled;
@property (nonatomic) BOOL itemSubtitleEnabled;
@property (nonatomic, assign) id<FBGraphObjectSelectionQueryDelegate> selectionDelegate;
@property (nonatomic, assign) id<FBGraphObjectDataSourceDataNeededDelegate> dataNeededDelegate;
@property (nonatomic, copy) NSArray *sortDescriptors;
- (NSString *)fieldsForRequestIncluding:(NSSet *)customFields, ...;
- (void)setSortingBySingleField:(NSString*)fieldName ascending:(BOOL)ascending;
- (void)setSortingByFields:(NSArray*)fieldNames ascending:(BOOL)ascending;
- (void)prepareForNewRequest;
// Clears all graph objects from the data source.
- (void)clearGraphObjects;
// Adds additional graph objects (pass nil to indicate all objects have been added).
- (void)appendGraphObjects:(NSArray *)data;
- (BOOL)hasGraphObjects;
- (void)bindTableView:(UITableView *)tableView;
- (void)cancelPendingRequests;
// Call this when updating any property or if
// delegate.filterIncludesItem would return a different answer now.
- (void)update;
// Returns the graph object at a given indexPath.
- (FBGraphObject *)itemAtIndexPath:(NSIndexPath *)indexPath;
// Returns the indexPath for a given graph object.
- (NSIndexPath *)indexPathForItem:(FBGraphObject *)item;
@end
@protocol FBGraphObjectViewControllerDelegate <NSObject>
@required
- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
titleOfItem:(id<FBGraphObject>)graphObject;
@optional
- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
titleSuffixOfItem:(id<FBGraphObject>)graphObject;
- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
subtitleOfItem:(id<FBGraphObject>)graphObject;
- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
pictureUrlOfItem:(id<FBGraphObject>)graphObject;
- (BOOL)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
filterIncludesItem:(id<FBGraphObject>)item;
- (void)graphObjectTableDataSource:(FBGraphObjectTableDataSource*)dataSource
customizeTableCell:(FBGraphObjectTableCell*)cell;
@end
@protocol FBGraphObjectSelectionQueryDelegate <NSObject>
- (BOOL)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
selectionIncludesItem:(id<FBGraphObject>)item;
@end
@protocol FBGraphObjectDataSourceDataNeededDelegate <NSObject>
- (void)graphObjectTableDataSourceNeedsData:(FBGraphObjectTableDataSource *)dataSource triggeredByIndexPath:(NSIndexPath*)indexPath;
@end
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