73 lines
1.3 KiB
Matlab
73 lines
1.3 KiB
Matlab
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// EntriesController.m
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// Cog
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//
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// Created by Vincent Spader on 2/10/08.
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// Copyright 2008 __MyCompanyName__. All rights reserved.
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//
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#import "EntriesController.h"
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#define UNDO_STACK_LIMIT 0
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@implementation EntriesController
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- (id)init
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{
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self = [super init];
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if (self)
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{
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playlistEntries = [[NSMutableArray alloc] init];
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undoManager = [[NSUndoManager alloc] init];
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[undoManager setLevelsOfUndo:UNDO_STACK_LIMIT];
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}
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return self;
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}
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- (void)dealloc
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{
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[playlistEntries release];
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[undoManager release];
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[super dealloc];
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}
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- (NSUndoManager *)undoManager
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{
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return undoManager;
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}
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- (NSMutableArray *)entries
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{
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return playlistEntries;
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}
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- (void)setEntries:(NSMutableArray *)array
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{
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if (array == playlistEntries)
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return;
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[array retain];
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[playlistEntries release];
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playlistEntries = array;
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}
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- (void)insertObject:(PlaylistEntry *)pe inEntriesAtIndex:(int)index
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{
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[[[self undoManager] prepareWithInvocationTarget:self] removeObjectFromEntriesAtIndex:index];
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[playlistEntries insertObject:pe atIndex:index];
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}
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- (void)removeObjectFromEntriesAtIndex:(int)index
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{
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[[[self undoManager] prepareWithInvocationTarget:self] insertObject:[playlistEntries objectAtIndex:index] inEntriesAtIndex:index];
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[playlistEntries removeObjectAtIndex:index];
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}
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@end
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