262 lines
10 KiB
Objective-C
262 lines
10 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 "ORKTextChoiceCellGroup.h"
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#import "ORKSelectionTitleLabel.h"
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#import "ORKSelectionSubTitleLabel.h"
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#import "ORKChoiceViewCell.h"
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#import "ORKAnswerTextView.h"
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#import "ORKAnswerFormat_Internal.h"
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#import "ORKChoiceAnswerFormatHelper.h"
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#import "ORKHelpers_Internal.h"
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@implementation ORKTextChoiceCellGroup {
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ORKChoiceAnswerFormatHelper *_helper;
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BOOL _singleChoice;
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BOOL _immediateNavigation;
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NSIndexPath *_beginningIndexPath;
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NSMutableDictionary *_cells;
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}
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- (instancetype)initWithTextChoiceAnswerFormat:(ORKTextChoiceAnswerFormat *)answerFormat
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answer:(id)answer
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beginningIndexPath:(NSIndexPath *)indexPath
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immediateNavigation:(BOOL)immediateNavigation {
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self = [super init];
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if (self) {
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_beginningIndexPath = indexPath;
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_helper = [[ORKChoiceAnswerFormatHelper alloc] initWithAnswerFormat:answerFormat];
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_answerFormat = answerFormat;
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_singleChoice = answerFormat.style == ORKChoiceAnswerStyleSingleChoice;
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_immediateNavigation = immediateNavigation;
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_cells = [NSMutableDictionary new];
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_presentationStyle = ORKQuestionStepPresentationStyleDefault;
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[self setAnswer:answer];
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}
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return self;
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}
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- (NSUInteger)size {
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return [_helper choiceCount];
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}
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- (void)setAnswer:(id)answer {
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_answer = answer;
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[self safelySetSelectedIndexesForAnswer:answer];
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}
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- (ORKChoiceViewCell *)cellAtIndexPath:(NSIndexPath *)indexPath withReuseIdentifier:(NSString *)identifier {
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if ([self containsIndexPath:indexPath] == NO) {
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return nil;
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}
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return [self cellAtIndex:indexPath.row-_beginningIndexPath.row withReuseIdentifier:identifier];
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}
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- (ORKTextChoice *)textChoiceForIndex:(NSInteger)index {
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return [_helper textChoiceAtIndex:index];
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}
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- (ORKChoiceViewCell *)cellAtIndex:(NSUInteger)index withReuseIdentifier:(NSString *)identifier {
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ORKChoiceViewCell *cell = _cells[@(index)];
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if (cell == nil) {
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ORKTextChoice *textChoice = [_helper textChoiceAtIndex:index];
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if ([textChoice isKindOfClass:[ORKTextChoiceOther class]]) {
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ORKChoiceOtherViewCell *choiceOtherViewCell = [[ORKChoiceOtherViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
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ORKTextChoiceOther *textChoiceOther = (ORKTextChoiceOther *)textChoice;
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choiceOtherViewCell.textView.placeholder = textChoiceOther.textViewPlaceholderText;
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choiceOtherViewCell.textView.text = textChoiceOther.textViewText;
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[choiceOtherViewCell hideTextView:textChoiceOther.textViewStartsHidden];
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cell = choiceOtherViewCell;
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} else {
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if ([self.presentationStyle isEqualToString:ORKQuestionStepPresentationStyleDefault]) {
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cell = [[ORKChoiceViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
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} else if ([self.presentationStyle isEqualToString:ORKQuestionStepPresentationStylePlatter]) {
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cell = [[ORKChoiceViewPlatterCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
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}
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}
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cell.isExclusive = textChoice.exclusive;
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cell.immediateNavigation = _immediateNavigation;
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[cell setPrimaryText:textChoice.text];
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[cell setDetailText:textChoice.detailText];
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if (textChoice.primaryTextAttributedString) {
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[cell setPrimaryAttributedText:textChoice.primaryTextAttributedString];
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}
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if (textChoice.detailTextAttributedString) {
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[cell setDetailAttributedText:textChoice.detailTextAttributedString];
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}
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_cells[@(index)] = cell;
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[self safelySetSelectedIndexesForAnswer:_answer];
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}
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return cell;
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}
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- (void)updateTextViewForChoiceOtherCell:(ORKChoiceOtherViewCell *)choiceCell withTextChoiceOther:(ORKTextChoiceOther *)choiceOther {
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if (choiceOther.textViewStartsHidden && choiceCell.textView.text.length <= 0) {
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[choiceCell hideTextView:!choiceCell.textViewHidden];
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[self.delegate tableViewCellHeightUpdated];
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}
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}
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- (void)textViewDidResignResponderForCellAtIndexPath:(NSIndexPath *)indexPath {
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if ([self containsIndexPath:indexPath]== NO) {
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return;
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}
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NSUInteger index = indexPath.row - _beginningIndexPath.row;
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ORKChoiceOtherViewCell *touchedCell = (ORKChoiceOtherViewCell *) [self cellAtIndex:index withReuseIdentifier:nil];
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ORKTextChoiceOther *textChoice = (ORKTextChoiceOther *) [_helper textChoiceAtIndex:index];
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if (touchedCell.textView.text.length > 0) {
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textChoice.textViewText = touchedCell.textView.text;
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[self didSelectCellAtIndexPath:indexPath];
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} else {
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textChoice.textViewText = nil;
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if (!textChoice.textViewInputOptional) {
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[touchedCell setCellSelected:NO highlight:NO];
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}
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_answer = [_helper answerForSelectedIndexes:[self selectedIndexes]];
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[self.delegate answerChangedForIndexPath:indexPath];
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}
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}
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- (void)didSelectCellAtIndexPath:(NSIndexPath *)indexPath {
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if ([self containsIndexPath:indexPath]== NO) {
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return;
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}
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NSUInteger index = indexPath.row - _beginningIndexPath.row;
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ORKChoiceViewCell *touchedCell = [self cellAtIndex:index withReuseIdentifier:nil];
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ORKTextChoice *textChoice = [_helper textChoiceAtIndex:index];
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if ([textChoice isKindOfClass:[ORKTextChoiceOther class]] && [touchedCell isKindOfClass:[ORKChoiceOtherViewCell class]]) {
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ORKTextChoiceOther *otherTextChoice = (ORKTextChoiceOther *)textChoice;
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ORKChoiceOtherViewCell *touchedOtherCell = (ORKChoiceOtherViewCell *)touchedCell;
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[self updateTextViewForChoiceOtherCell:touchedOtherCell withTextChoiceOther:otherTextChoice];
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if (!otherTextChoice.textViewInputOptional && otherTextChoice.textViewText.length <= 0) {
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return;
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}
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}
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if (_singleChoice) {
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[touchedCell setCellSelected:YES highlight:YES];
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for (ORKChoiceViewCell *cell in _cells.allValues) {
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if (cell != touchedCell) {
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[cell setCellSelected:NO highlight:NO];
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}
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}
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} else {
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[touchedCell setCellSelected:!touchedCell.isCellSelected highlight:YES];
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if (touchedCell.isCellSelected) {
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ORKTextChoice *touchedChoice = [_helper textChoiceAtIndex:index];
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for (NSNumber *num in _cells.allKeys) {
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ORKChoiceViewCell *cell = _cells[num];
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ORKTextChoice *choice = [_helper textChoiceAtIndex:num.unsignedIntegerValue];
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if (cell != touchedCell && (touchedChoice.exclusive || (cell.isCellSelected && choice.exclusive))) {
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[cell setCellSelected:NO highlight:NO];
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}
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}
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}
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}
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_answer = [_helper answerForSelectedIndexes:[self selectedIndexes]];
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[self.delegate answerChangedForIndexPath:indexPath];
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}
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- (BOOL)containsIndexPath:(NSIndexPath *)indexPath {
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NSUInteger count = _helper.choiceCount;
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return (indexPath.section == _beginningIndexPath.section) &&
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(indexPath.row >= _beginningIndexPath.row) &&
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(indexPath.row < (_beginningIndexPath.row + count));
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}
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-(void)safelySetSelectedIndexesForAnswer:(nullable id)answer {
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NSArray *selectedIndexes;
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@try {
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selectedIndexes = [_helper selectedIndexesForAnswer:answer];
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} @catch (NSException *exception) {
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selectedIndexes = [[NSArray alloc] init];
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ORK_Log_Error("Error getting selected indexes: %@", exception.reason);
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} @finally {
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[self setSelectedIndexes: selectedIndexes];
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}
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}
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- (void)setSelectedIndexes:(NSArray *)indexes {
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for (NSUInteger index = 0; index < self.size; index++ ) {
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BOOL selected = [indexes containsObject:@(index)];
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if (selected) {
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// In case the cell has not been created, need to create cell
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ORKChoiceViewCell *cell = [self cellAtIndex:index withReuseIdentifier:nil];
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[cell setCellSelected:YES highlight:NO];
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} else {
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// It is ok to not create the cell at here
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ORKChoiceViewCell *cell = _cells[@(index)];
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[cell setCellSelected:NO highlight:NO];
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}
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}
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}
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- (NSArray *)selectedIndexes {
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NSMutableArray *indexes = [NSMutableArray new];
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for (NSUInteger index = 0; index < self.size; index++ ) {
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ORKChoiceViewCell *cell = _cells[@(index)];
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if (cell.isCellSelected) {
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[indexes addObject:@(index)];
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}
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}
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return [indexes copy];
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}
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- (id)answerForBoolean {
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// Boolean type uses a different format
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if ([_answer isKindOfClass:[NSArray class]] ) {
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NSArray *answerArray = _answer;
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return (answerArray.count > 0) ? answerArray.firstObject : nil;
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}
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return _answer;
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}
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@end
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