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27 lines
764 B
Objective-C
27 lines
764 B
Objective-C
//
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// NSMutableArray+DTMoving.m
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// DTFoundation
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//
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// Created by Oliver Drobnik on 9/27/12.
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// Copyright (c) 2012 Cocoanetics. All rights reserved.
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//
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#import "NSMutableArray+DTMoving.h"
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@implementation NSMutableArray (DTMoving)
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// credit: http://www.cocoabuilder.com/archive/cocoa/189484-nsarray-move-items-at-indexes.html
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- (void)moveObjectsAtIndexes:(NSIndexSet *)indexes toIndex:(NSUInteger)idx
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{
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NSArray *objectsToMove = [self objectsAtIndexes:indexes];
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// If any of the removed objects come before the index, we want to decrement the index appropriately
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idx -= [indexes countOfIndexesInRange:(NSRange){0, idx}];
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[self removeObjectsAtIndexes:indexes];
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[self replaceObjectsInRange:(NSRange){idx,0} withObjectsFromArray:objectsToMove];
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}
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@end
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