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61 lines
1.9 KiB
Objective-C
61 lines
1.9 KiB
Objective-C
//
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// MPNumericalInputFormatter.m
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// MacPass
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//
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// Created by Michael Starke on 10.09.13.
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// Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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//
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#import "MPNumericalInputFormatter.h"
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@implementation MPNumericalInputFormatter
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static NSCharacterSet *_characterSet = nil;
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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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_characterSet = [NSCharacterSet characterSetWithCharactersInString:@"1234567890"].invertedSet;
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}
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return self;
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}
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- (NSString *)stringForObjectValue:(id)obj {
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if([obj isKindOfClass:NSNumber.class]) {
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return [[NSString alloc] initWithFormat:@"%ld",((NSNumber *)obj).integerValue];
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}
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return nil;
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}
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- (BOOL)getObjectValue:(out id *)obj forString:(NSString *)string errorDescription:(out NSString **)error {
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NSNumber *number = [[NSNumber alloc] initWithInteger:string.integerValue];
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*obj = number;
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return YES;
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}
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- (BOOL)isPartialStringValid:(NSString **)partialStringPtr
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proposedSelectedRange:(NSRangePointer)proposedSelRangePtr
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originalString:(NSString *)origString
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originalSelectedRange:(NSRange)origSelRange
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errorDescription:(NSString **)error {
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NSRange range = [*partialStringPtr rangeOfCharacterFromSet:_characterSet];
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return (range.location == NSNotFound);
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}
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@end
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