mirror of
https://github.com/nickshanks/ResKnife.git
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112 lines
3.6 KiB
Objective-C
112 lines
3.6 KiB
Objective-C
#import "ResourceDataSource.h"
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#import "ResourceDocument.h"
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#import "Resource.h"
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NSString *DataSourceWillAddResourceNotification = @"DataSourceWillAddResourceNotification";
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NSString *DataSourceDidAddResourceNotification = @"DataSourceDidAddResourceNotification";
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NSString *DataSourceWillRemoveResourceNotification = @"DataSourceWillRemoveResourceNotification";
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NSString *DataSourceDidRemoveResourceNotification = @"DataSourceDidRemoveResourceNotification";
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@implementation ResourceDataSource
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- (id)init
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{
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self = [super init];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(resourceDidChange:) name:ResourceDidChangeNotification object:nil];
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return self;
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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[super dealloc];
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}
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- (CreateResourceSheetController *)createResourceSheetController
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{
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return createResourceSheetController;
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}
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- (NSWindow *)window
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{
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return window;
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}
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- (NSArray *)resources
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{
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return resources;
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}
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- (void)setResources:(NSMutableArray *)newResources
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{
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[resources autorelease];
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resources = [newResources retain];
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[outlineView reloadData];
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}
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- (void)addResource:(Resource *)resource
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{
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NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:self, @"DataSource", resource, @"Resource", nil];
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[[NSNotificationCenter defaultCenter] postNotificationName:DataSourceWillAddResourceNotification object:dictionary];
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// it seems very inefficient to reload the entire data source when just adding/removing one item
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// for large resource files, the data source gets reloaded hundereds of times upon load
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[resources addObject:resource];
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[outlineView reloadData];
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[[NSNotificationCenter defaultCenter] postNotificationName:DataSourceDidAddResourceNotification object:dictionary];
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[[document undoManager] registerUndoWithTarget:self selector:@selector(removeResource:) object:resource];
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}
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- (void)removeResource:(Resource *)resource
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{
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NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:self, @"DataSource", resource, @"Resource", nil];
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[[NSNotificationCenter defaultCenter] postNotificationName:DataSourceWillRemoveResourceNotification object:dictionary];
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// see comments in addResource: about inefficiency of reloadData
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[resources removeObjectIdenticalTo:resource];
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[outlineView reloadData];
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[[NSNotificationCenter defaultCenter] postNotificationName:DataSourceDidRemoveResourceNotification object:dictionary];
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[[document undoManager] registerUndoWithTarget:self selector:@selector(addResource:) object:resource]; // NB: I hope the undo manager retains the resource, because it just got deleted :)
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}
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- (void)resourceDidChange:(NSNotification *)notification
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{
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// reload the data for the changed resource
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[outlineView reloadItem:[notification object]];
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}
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- (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
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{
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#pragma unused( outlineView, item )
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return [resources objectAtIndex:index];
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}
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- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
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{
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#pragma unused( outlineView, item )
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return NO;
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}
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- (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
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{
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#pragma unused( outlineView, item )
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return [resources count];
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}
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- (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
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{
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#pragma unused( outlineView )
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return [item valueForKey:[tableColumn identifier]];
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}
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- (void)outlineView:(NSOutlineView *)outlineView setObjectValue:(id)object forTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
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{
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#pragma unused( outlineView )
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NSString *identifier = [tableColumn identifier];
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[item takeValue:object forKey:identifier];
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}
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@end
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