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//
// PXSourceListDataSource.h
// PXViewKit
//
// Created by Alex Rozanski on 17/10/2009.
// Copyright 2009-10 Alex Rozanski http://perspx.com
//
#import <Cocoa/Cocoa.h>
@class PXSourceList;
@protocol PXSourceListDataSource <NSObject>
@required
- (NSUInteger)sourceList:(PXSourceList*)sourceList numberOfChildrenOfItem:(id)item;
- (id)sourceList:(PXSourceList*)aSourceList child:(NSUInteger)index ofItem:(id)item;
- (id)sourceList:(PXSourceList*)aSourceList objectValueForItem:(id)item;
- (BOOL)sourceList:(PXSourceList*)aSourceList isItemExpandable:(id)item;
@optional
- (void)sourceList:(PXSourceList*)aSourceList setObjectValue:(id)object forItem:(id)item;
- (BOOL)sourceList:(PXSourceList*)aSourceList itemHasBadge:(id)item;
- (NSInteger)sourceList:(PXSourceList*)aSourceList badgeValueForItem:(id)item;
- (NSColor*)sourceList:(PXSourceList*)aSourceList badgeTextColorForItem:(id)item;
- (NSColor*)sourceList:(PXSourceList*)aSourceList badgeBackgroundColorForItem:(id)item;
- (BOOL)sourceList:(PXSourceList*)aSourceList itemHasIcon:(id)item;
- (NSImage*)sourceList:(PXSourceList*)aSourceList iconForItem:(id)item;
//The rest of these methods are basically "wrappers" for the NSOutlineViewDataSource methods
- (id)sourceList:(PXSourceList*)aSourceList itemForPersistentObject:(id)object;
- (id)sourceList:(PXSourceList*)aSourceList persistentObjectForItem:(id)item;
- (BOOL)sourceList:(PXSourceList*)aSourceList writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard;
- (NSDragOperation)sourceList:(PXSourceList*)sourceList validateDrop:(id < NSDraggingInfo >)info proposedItem:(id)item proposedChildIndex:(NSInteger)index;
- (BOOL)sourceList:(PXSourceList*)aSourceList acceptDrop:(id < NSDraggingInfo >)info item:(id)item childIndex:(NSInteger)index;
- (NSArray *)sourceList:(PXSourceList*)aSourceList namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination forDraggedItems:(NSArray *)items;
@end
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