Pariece McKinney
371 lines
15 KiB
Objective-C
371 lines
15 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 "ORKSignatureStepViewController.h"
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#import "ORKSignatureView.h"
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#import "ORKNavigationContainerView_Internal.h"
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#import "ORKStepHeaderView_Internal.h"
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#import "ORKStepViewController_Internal.h"
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#import "ORKTaskViewController_Internal.h"
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#import "ORKStepContainerView_Private.h"
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#import "ORKStepView_Private.h"
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#import "ORKResult_Private.h"
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#import "ORKCollectionResult_Private.h"
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#import "ORKSignatureResult_Private.h"
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#import "ORKStep.h"
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#import "ORKHelpers_Internal.h"
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#import "ORKSkin.h"
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@interface ORKSignatureWrapperView : UIView
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@property (nonatomic, strong) ORKSignatureView *signatureView;
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@property (nonatomic, strong) ORKTextButton *clearButton;
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@property (nonatomic, assign) BOOL clearButtonEnabled;
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@end
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@implementation ORKSignatureWrapperView
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- (void)willMoveToWindow:(UIWindow *)newWindow {
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[super willMoveToWindow:newWindow];
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[self setNeedsLayout];
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}
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- (instancetype)initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self) {
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{
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_clearButton = [ORKTextButton new];
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_clearButton.contentEdgeInsets = (UIEdgeInsets){12,10,8,10}; // insets adjusted to get correct vertical height from bottom of screen when aligned to margin
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_clearButton.exclusiveTouch = YES;
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[_clearButton setTitle:ORKLocalizedString(@"BUTTON_CLEAR", nil) forState:UIControlStateNormal];
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_clearButton.translatesAutoresizingMaskIntoConstraints = NO;
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_clearButton.alpha = 0;
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[self addSubview:_clearButton];
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}
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{
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_signatureView = [ORKSignatureView new];
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[_signatureView setClipsToBounds:YES];
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_signatureView.translatesAutoresizingMaskIntoConstraints = NO;
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[self addSubview:_signatureView];
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}
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[self setUpConstraints];
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}
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return self;
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}
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- (void)updateLayoutMargins {
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CGFloat margin = ORKStandardHorizontalMarginForView(self);
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self.layoutMargins = (UIEdgeInsets){.left = margin, .right = margin };
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}
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- (void)setBounds:(CGRect)bounds {
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[super setBounds:bounds];
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[self updateLayoutMargins];
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}
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- (void)setFrame:(CGRect)frame {
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[super setFrame:frame];
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[self updateLayoutMargins];
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}
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- (void)setClearButtonEnabled:(BOOL)clearButtonEnabled {
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_clearButtonEnabled = clearButtonEnabled;
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if (clearButtonEnabled) {
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NSTimeInterval duration = (UIAccessibilityIsVoiceOverRunning() ? 0 : 0.2);
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[UIView animateWithDuration:duration delay:0 options:(UIViewAnimationOptions)UIViewAnimationOptionBeginFromCurrentState animations:^{
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_clearButton.alpha = 1;
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} completion:^(BOOL finished) {
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UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, nil);
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}];
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} else {
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_clearButton.alpha = 0;
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UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, _signatureView);
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}
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}
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- (void)setUpConstraints {
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// Static constraints
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NSMutableArray *constraints = [NSMutableArray array];
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NSDictionary *views = NSDictionaryOfVariableBindings(_clearButton, _signatureView);
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[constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[_signatureView]-(>=0)-[_clearButton]|"
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options:(NSLayoutFormatOptions)0
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metrics:nil
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views:views]];
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[constraints addObject:[NSLayoutConstraint constraintWithItem:_signatureView
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attribute:NSLayoutAttributeCenterX
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeCenterX
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multiplier:1.0
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constant:0.0]];
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[constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-(>=0)-[_clearButton]-(>=0)-|"
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options:(NSLayoutFormatOptions)0
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metrics:nil
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views:views]];
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[constraints addObject:[NSLayoutConstraint constraintWithItem:_signatureView
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:0.0]];
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[constraints addObject:[NSLayoutConstraint constraintWithItem:_clearButton
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attribute:NSLayoutAttributeCenterX
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeCenterX
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multiplier:1.0
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constant:0.0]];
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[constraints addObject:[NSLayoutConstraint constraintWithItem:_clearButton
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attribute:NSLayoutAttributeBaseline
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relatedBy:NSLayoutRelationEqual
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toItem:_signatureView
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:30.0]];
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[NSLayoutConstraint activateConstraints:constraints];
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}
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@end
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@interface ORKConsentSigningView : ORKStepContainerView
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@property (nonatomic, strong) ORKSignatureWrapperView *wrapperView;
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@end
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@implementation ORKConsentSigningView
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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[self setupWrapperView];
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}
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return self;
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}
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- (void)setupWrapperView {
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_wrapperView = [ORKSignatureWrapperView new];
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_wrapperView.translatesAutoresizingMaskIntoConstraints = NO;
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self.customContentView = _wrapperView;
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}
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@end
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@interface ORKSignatureStepViewController () <ORKSignatureViewDelegate>
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@property (nonatomic, strong, readonly, nullable) ORKSignatureView *signatureView;
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@property (nonatomic, strong) ORKConsentSigningView *signingView;
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@property (nonatomic, strong) NSArray <UIBezierPath *> *originalPath;
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@end
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@implementation ORKSignatureStepViewController {
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NSArray<NSLayoutConstraint *> *_constraints;
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}
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- (instancetype)initWithStep:(ORKStep *)step result:(ORKResult *)result {
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self = [super initWithStep:step result:result];
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if (self && step) {
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if ([result isKindOfClass:[ORKStepResult class]]) {
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[[(ORKStepResult *)result results] enumerateObjectsUsingBlock:^(ORKResult * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
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if ([obj isKindOfClass:[ORKSignatureResult class]]) {
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_originalPath = [(ORKSignatureResult*)obj signaturePath];
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*stop = YES;
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}
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}];
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}
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}
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return self;
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}
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- (void)viewWillAppear:(BOOL)animated {
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[super viewWillAppear:animated];
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// set the original path and update state
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self.signatureView.signaturePath = self.originalPath;
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[self updateButtonStates];
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}
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- (ORKStepResult *)result {
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ORKStepResult *parentResult = [super result];
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if (self.signatureView.signatureExists) {
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ORKSignatureResult *sigResult = [[ORKSignatureResult alloc] initWithIdentifier:self.step.identifier
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signatureImage:self.signatureView.signatureImage
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signaturePath:self.signatureView.signaturePath];
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parentResult.results = @[sigResult];
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}
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return parentResult;
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}
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- (void)setContinueButtonItem:(UIBarButtonItem *)continueButtonItem {
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[super setContinueButtonItem:continueButtonItem];
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_navigationFooterView.continueButtonItem = continueButtonItem;
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[self updateButtonStates];
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}
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- (void)setSkipButtonItem:(UIBarButtonItem *)skipButtonItem {
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[super setSkipButtonItem:skipButtonItem];
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_navigationFooterView.skipButtonItem = skipButtonItem;
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[self updateButtonStates];
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}
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- (void)updateButtonStates {
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BOOL hasSigned = self.signatureView.signatureExists;
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_navigationFooterView.continueEnabled = hasSigned;
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_navigationFooterView.optional = self.step.optional;
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[_signingView.wrapperView setClearButtonEnabled:hasSigned];
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}
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- (void)stepDidChange {
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[super stepDidChange];
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[_signingView removeFromSuperview];
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_signingView.wrapperView.signatureView.delegate = nil;
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_signingView = [ORKConsentSigningView new];
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[_signingView placeNavigationContainerInsideScrollView];
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_signingView.wrapperView.signatureView.delegate = self;
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_signingView.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
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_signingView.frame = self.view.bounds;
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_signingView.stepTitle = self.step.title;
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_signingView.stepText = self.step.text;
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_signingView.stepDetailText = self.step.detailText;
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_signingView.stepHeaderTextAlignment = self.step.headerTextAlignment;
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_signingView.stepTopContentImage = self.step.image;
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_signingView.stepTopContentImageContentMode = self.step.imageContentMode;
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_signingView.bodyItems = self.step.bodyItems;
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[self setupNavigationFooterView];
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[self updateButtonStates];
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[_signingView.wrapperView.clearButton addTarget:self action:@selector(clearAction:) forControlEvents:UIControlEventTouchUpInside];
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[self.view addSubview:_signingView];
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[self setupConstraints];
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}
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- (void)setupNavigationFooterView {
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if (!_navigationFooterView && _signingView) {
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_navigationFooterView = _signingView.navigationFooterView;
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}
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_navigationFooterView.skipButtonItem = self.skipButtonItem;
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_navigationFooterView.continueButtonItem = self.continueButtonItem;
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_navigationFooterView.optional = NO;
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[_navigationFooterView updateContinueAndSkipEnabled];
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}
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- (void)setupConstraints {
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if (_constraints) {
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[NSLayoutConstraint deactivateConstraints:_constraints];
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}
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_constraints = nil;
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_signingView.translatesAutoresizingMaskIntoConstraints = NO;
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_constraints = @[
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[NSLayoutConstraint constraintWithItem:_signingView
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_signingView
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attribute:NSLayoutAttributeLeft
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeLeft
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_signingView
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attribute:NSLayoutAttributeRight
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeRight
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_signingView
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.view
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:0.0]
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];
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[NSLayoutConstraint activateConstraints:_constraints];
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}
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- (ORKSignatureView *)signatureView {
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return _signingView.wrapperView.signatureView;
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}
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- (void)clearAction:(id)sender {
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[_signingView.wrapperView.signatureView clear];
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[self updateButtonStates];
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[self notifyDelegateOnResultChange];
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}
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- (void)signatureViewDidEditImage:(ORKSignatureView *)signatureView {
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[self updateButtonStates];
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[self notifyDelegateOnResultChange];
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}
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@end
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