113 lines
4.5 KiB
Objective-C
113 lines
4.5 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 "ORKSurveyAnswerCellForScale.h"
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#import "ORKScaleSlider.h"
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#import "ORKScaleSliderView.h"
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#import "ORKAnswerFormat_Internal.h"
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#import "ORKQuestionStep_Internal.h"
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#import "ORKSkin.h"
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@interface ORKSurveyAnswerCellForScale () <ORKScaleSliderViewDelegate>
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@property (nonatomic, strong) ORKScaleSliderView *sliderView;
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@property (nonatomic, strong) id<ORKScaleAnswerFormatProvider> formatProvider;
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@end
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@implementation ORKSurveyAnswerCellForScale
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- (id<ORKScaleAnswerFormatProvider>)formatProvider {
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if (_formatProvider == nil) {
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_formatProvider = (id<ORKScaleAnswerFormatProvider>)[self.step impliedAnswerFormat];
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}
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return _formatProvider;
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}
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- (void)prepareView {
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[super prepareView];
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id<ORKScaleAnswerFormatProvider> formatProvider = self.formatProvider;
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if (_sliderView == nil) {
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_sliderView = [[ORKScaleSliderView alloc] initWithFormatProvider:formatProvider delegate:self];
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[self addSubview:_sliderView];
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self.sliderView.translatesAutoresizingMaskIntoConstraints = NO;
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NSDictionary *views = @{ @"sliderView": _sliderView };
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[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[sliderView]|"
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options:NSLayoutFormatDirectionLeadingToTrailing
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metrics:nil
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views:views]];
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[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[sliderView]|"
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options:NSLayoutFormatDirectionLeadingToTrailing
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metrics:nil
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views:views]];
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// Get a full width layout
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NSLayoutConstraint *widthConstraint = [self.class fullWidthLayoutConstraint:_sliderView];
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[self addConstraints:@[widthConstraint]];
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}
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[self answerDidChange];
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}
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- (void)answerDidChange {
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id<ORKScaleAnswerFormatProvider> formatProvider = self.formatProvider;
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id answer = self.answer;
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if (answer && answer != ORKNullAnswerValue()) {
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[_sliderView setCurrentAnswerValue:answer];
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} else {
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if (answer == nil && [formatProvider defaultAnswer]) {
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[self.sliderView setCurrentAnswerValue:[formatProvider defaultAnswer]];
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[self ork_setAnswer:self.sliderView.currentAnswerValue];
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} else {
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[self.sliderView setCurrentAnswerValue:nil];
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}
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}
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}
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- (NSArray *)suggestedCellHeightConstraintsForView:(UIView *)view {
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return @[];
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}
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- (void)scaleSliderViewCurrentValueDidChange:(ORKScaleSliderView *)sliderView {
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[self ork_setAnswer:sliderView.currentAnswerValue];
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}
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@end
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