Pariece McKinney
136 lines
4.3 KiB
Objective-C
136 lines
4.3 KiB
Objective-C
/*
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Copyright (c) 2015, Apple Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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3. Neither the name of the copyright holder(s) nor the names of any contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission. No license is granted to the trademarks of
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the copyright holders even if such marks are included in this software.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "ORKTimeIntervalPicker.h"
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#import "ORKAnswerFormat_Internal.h"
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#import "ORKHelpers_Internal.h"
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@interface ORKDatePicker : UIDatePicker
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@end
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@implementation ORKDatePicker
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- (void)didMoveToWindow {
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[super didMoveToWindow];
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// Work around for UIDatePicker UIControlEventValueChanged only fired on second selection
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dispatch_async(dispatch_get_main_queue(), ^{
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self.countDownDuration = self.countDownDuration;
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});
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}
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@end
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@interface ORKTimeIntervalPicker ()
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@property (nonatomic, strong) ORKTimeIntervalAnswerFormat *answerFormat;
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@end
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@implementation ORKTimeIntervalPicker {
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id _answer;
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__weak id<ORKPickerDelegate> _pickerDelegate;
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ORKDatePicker *_pickerView;
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}
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@synthesize pickerDelegate = _pickerDelegate;
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@synthesize answer = _answer;
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- (instancetype)initWithAnswerFormat:(ORKTimeIntervalAnswerFormat *)answerFormat
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answer:(id)answer
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pickerDelegate:(id<ORKPickerDelegate>)delegate {
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self = [super init];
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if (self) {
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self.answerFormat = answerFormat;
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self.answer = answer;
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self.pickerDelegate = delegate;
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}
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return self;
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}
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- (UIView *)pickerView {
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if (_pickerView == nil) {
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_pickerView = [[ORKDatePicker alloc] init];
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_pickerView.datePickerMode = UIDatePickerModeCountDownTimer;
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[_pickerView addTarget:self action:@selector(valueDidChange:) forControlEvents:UIControlEventValueChanged];
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[self setAnswerFormat:_answerFormat];
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[self setAnswer:_answer];
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}
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return _pickerView;
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}
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- (void)setAnswer:(id)answer {
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_answer = answer;
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NSTimeInterval value;
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if (answer != nil && answer != ORKNullAnswerValue() && [answer isKindOfClass:[NSNumber class]]) {
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value = ((NSNumber *)answer).doubleValue;
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} else {
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value = [_answerFormat pickerDefaultDuration];
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}
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_pickerView.countDownDuration = value;
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}
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- (void)setAnswerFormat:(ORKTimeIntervalAnswerFormat *)answerFormat {
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_answerFormat = answerFormat;
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NSAssert([answerFormat isKindOfClass:[ORKTimeIntervalAnswerFormat class]], @"");
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_pickerView.minuteInterval = [answerFormat step];
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}
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- (NSString *)selectedLabelText {
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return (_answer == nil || _answer == ORKNullAnswerValue()) ? nil : [ORKTimeIntervalLabelFormatter() stringFromTimeInterval:((NSNumber *)self.answer).floatValue];
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}
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- (void)pickerWillAppear {
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[self pickerView];
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[self valueDidChange:nil];
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}
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- (void)valueDidChange:(id)sender {
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NSTimeInterval interval = _pickerView.countDownDuration;
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_answer = @(interval);
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if ([self.pickerDelegate respondsToSelector:@selector(picker:answerDidChangeTo:)]) {
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[self.pickerDelegate picker:self answerDidChangeTo:self.answer];
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}
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}
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@end
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