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205 lines
10 KiB
Mathematica
205 lines
10 KiB
Mathematica
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/*
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Copyright 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "TableViewCellWithSwitches.h"
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// The space between 2 switches
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#define TABLEVIEWCELLWITHSWITCHES_MARGIN 8
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@interface TableViewCellWithSwitches ()
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{
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NSMutableArray *switchArray;
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NSMutableArray *labelArray;
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}
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@end
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@implementation TableViewCellWithSwitches
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- (void)setSwitchesNumber:(NSUInteger)switchesNumber
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{
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if (_switchesNumber == switchesNumber)
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{
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return;
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}
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// Remove existing items
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NSArray *subviews = self.mainContainer.subviews;
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for (UIView *view in subviews)
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{
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[view removeFromSuperview];
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}
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_switchesNumber = switchesNumber;
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if (!switchesNumber)
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{
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// Nothing to do
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return;
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}
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switchArray = [NSMutableArray arrayWithCapacity:switchesNumber];
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labelArray = [NSMutableArray arrayWithCapacity:switchesNumber];
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CGFloat containerWidth = (self.mainContainer.frame.size.width - ((switchesNumber - 1.0) * TABLEVIEWCELLWITHSWITCHES_MARGIN)) / switchesNumber;
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UIView *previousContainer = nil;
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NSLayoutConstraint *topConstraint, *leftConstraint, *bottomConstraint;
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NSLayoutConstraint *widthConstraint, *centerYConstraint;
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for (NSInteger index = 0; index < switchesNumber; index++)
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{
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UIView *switchContainer = [[UIView alloc] initWithFrame:CGRectMake(index * (containerWidth + TABLEVIEWCELLWITHSWITCHES_MARGIN), 0, containerWidth, self.mainContainer.frame.size.height)];
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switchContainer.backgroundColor = [UIColor clearColor];
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[self.mainContainer addSubview:switchContainer];
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// Add container constraints
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switchContainer.translatesAutoresizingMaskIntoConstraints = NO;
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if (!previousContainer)
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{
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leftConstraint = [NSLayoutConstraint constraintWithItem:switchContainer
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self.mainContainer
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attribute:NSLayoutAttributeLeading
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multiplier:1
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constant:0];
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widthConstraint = [NSLayoutConstraint constraintWithItem:switchContainer
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:self.mainContainer
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attribute:NSLayoutAttributeWidth
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multiplier:(1.0 / switchesNumber)
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constant:(- ((switchesNumber - 1.0) * TABLEVIEWCELLWITHSWITCHES_MARGIN) / switchesNumber)];
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}
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else
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{
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leftConstraint = [NSLayoutConstraint constraintWithItem:switchContainer
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:previousContainer
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attribute:NSLayoutAttributeTrailing
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multiplier:1
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constant:TABLEVIEWCELLWITHSWITCHES_MARGIN];
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widthConstraint = [NSLayoutConstraint constraintWithItem:switchContainer
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:previousContainer
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attribute:NSLayoutAttributeWidth
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multiplier:1
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constant:0];
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}
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topConstraint = [NSLayoutConstraint constraintWithItem:switchContainer
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.mainContainer
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attribute:NSLayoutAttributeTop
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multiplier:1
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constant:0];
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bottomConstraint = [NSLayoutConstraint constraintWithItem:switchContainer
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.mainContainer
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attribute:NSLayoutAttributeBottom
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multiplier:1
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constant:0];
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[NSLayoutConstraint activateConstraints:@[leftConstraint, widthConstraint, topConstraint, bottomConstraint]];
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previousContainer = switchContainer;
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// Add Switch and Label
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UISwitch *theSwitch = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 51, 31)];
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theSwitch.translatesAutoresizingMaskIntoConstraints = NO;
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[switchContainer addSubview:theSwitch];
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[switchArray addObject:theSwitch];
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UILabel *theLabel = [[UILabel alloc] initWithFrame:CGRectMake(60, 0, containerWidth - 60, 31)];
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theLabel.translatesAutoresizingMaskIntoConstraints = NO;
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[switchContainer addSubview:theLabel];
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[labelArray addObject:theLabel];
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// Add switch constraints
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leftConstraint = [NSLayoutConstraint constraintWithItem:theSwitch
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:switchContainer
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attribute:NSLayoutAttributeLeading
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multiplier:1
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constant:0];
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widthConstraint = [NSLayoutConstraint constraintWithItem:theSwitch
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:nil
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attribute:NSLayoutAttributeNotAnAttribute
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multiplier:1
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constant:51];
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centerYConstraint = [NSLayoutConstraint constraintWithItem:theSwitch
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attribute:NSLayoutAttributeCenterY
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relatedBy:NSLayoutRelationEqual
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toItem:switchContainer
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attribute:NSLayoutAttributeCenterY
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multiplier:1
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constant:0.0f];
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[NSLayoutConstraint activateConstraints:@[leftConstraint, widthConstraint, centerYConstraint]];
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// Add Label constraints
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topConstraint = [NSLayoutConstraint constraintWithItem:theLabel
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:switchContainer
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attribute:NSLayoutAttributeTop
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multiplier:1
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constant:0];
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leftConstraint = [NSLayoutConstraint constraintWithItem:theLabel
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:theSwitch
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attribute:NSLayoutAttributeTrailing
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multiplier:1
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constant:9];
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centerYConstraint = [NSLayoutConstraint constraintWithItem:theLabel
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attribute:NSLayoutAttributeCenterY
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relatedBy:NSLayoutRelationEqual
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toItem:switchContainer
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attribute:NSLayoutAttributeCenterY
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multiplier:1
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constant:0.0f];
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[NSLayoutConstraint activateConstraints:@[topConstraint, leftConstraint, centerYConstraint]];
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}
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}
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- (NSArray*)switches
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{
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return [NSArray arrayWithArray:switchArray];
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}
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- (NSArray*)labels
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{
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return [NSArray arrayWithArray:labelArray];
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}
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@end
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