mirror of
https://gitlab.opencode.de/bwi/bundesmessenger/clients/bundesmessenger-ios.git
synced 2026-05-24 00:16:39 +02:00
dummy implementation of the segmentedViewController :
> the tar items are displayed (even if they are currently hardcoded) > the tab items can selected (the selected marker view is displayed)
This commit is contained in:
yannick
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/*
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Copyright 2015 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 <MatrixSDK/MatrixSDK.h>
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#import "MXKViewController.h"
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/**
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This view controller manages several uiviewcontrollers like UISegmentedControlled manages uiTableView
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except that the managed items are custom UIViewControllers.
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It uses a Vector design.
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*/
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@interface SegmentedViewController : MXKViewController
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#pragma mark - Class methods
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@property (weak, nonatomic) IBOutlet UIView *selectionContainer;
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@property (weak, nonatomic) IBOutlet UIView *viewControllerContainer;
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@property (weak, nonatomic) IBOutlet NSLayoutConstraint *selectionContainerTopConstraint;
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/**
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Returns the `UINib` object initialized for a `SegmentedViewController`.
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@return The initialized `UINib` object or `nil` if there were errors during initialization
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or the nib file could not be located.
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@discussion You may override this method to provide a customized nib. If you do,
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you should also override `SegmentedViewController` to return your
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view controller loaded from your custom nib.
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*/
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+ (UINib *)nib;
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/**
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Creates and returns a new `SegmentedViewController` object.
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@discussion This is the designated initializer for programmatic instantiation.
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@return An initialized `SegmentedViewController` object if successful, `nil` otherwise.
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*/
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+ (instancetype)segmentedViewController;
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/**
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init the segmentedViewController with a list of UIViewControllers.
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@param titles the section tiles
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@param viewControllers the list of viewControllers to display.
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@param defaultSelected index of the default selected UIViewController in the list.
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*/
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- (void)initWithTitles:(NSArray*)titles viewControllers:(NSArray*)viewControllers defaultSelected:(NSUInteger)index;
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@end
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/*
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Copyright 2015 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 "SegmentedViewController.h"
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@interface SegmentedViewController ()
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{
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// list of displayed UIViewControllers
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NSArray* viewControllers;
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// list of NSString
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NSArray* sectionTitles;
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// list of section labels
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NSArray* sectionLabels;
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// the selected marker view
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UIView* selectedMarkerView;
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NSLayoutConstraint *leftMarkerViewConstraint;
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// the index of the viewcontroller displayed at first load
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NSUInteger selectedIndex;
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// the UI item color
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UIColor *greenVectorColor;
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}
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@end
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@implementation SegmentedViewController
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#pragma mark - Class methods
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+ (UINib *)nib
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{
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return [UINib nibWithNibName:NSStringFromClass([SegmentedViewController class])
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bundle:[NSBundle bundleForClass:[SegmentedViewController class]]];
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}
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+ (instancetype)segmentedViewController
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{
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return [[[self class] alloc] initWithNibName:NSStringFromClass([SegmentedViewController class])
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bundle:[NSBundle bundleForClass:[SegmentedViewController class]]];
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}
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/**
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init the segmentedViewController with a list of UIViewControllers.
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@param titles the section tiles
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@param viewControllers the list of viewControllers to display.
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@param defaultSelected index of the default selected UIViewController in the list.
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*/
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- (void)initWithTitles:(NSArray*)titles viewControllers:(NSArray*)someViewControllers defaultSelected:(NSUInteger)index
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{
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viewControllers = someViewControllers;
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sectionTitles = titles;
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selectedIndex = index;
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}
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#pragma mark -
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- (void)addConstraint:(UIView*)view constraint:(NSLayoutConstraint*)aConstraint
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{
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if ([NSLayoutConstraint respondsToSelector:@selector(activateConstraints:)])
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{
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[NSLayoutConstraint activateConstraints:@[aConstraint]];
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}
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else
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{
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[view addConstraint:aConstraint];
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}
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}
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- (void)removeConstraint:(UIView*)view constraint:(NSLayoutConstraint*)aConstraint
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{
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if ([NSLayoutConstraint respondsToSelector:@selector(deactivateConstraints:)])
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{
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[NSLayoutConstraint deactivateConstraints:@[aConstraint]];
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}
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else
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{
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[view removeConstraint:aConstraint];
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}
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}
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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selectedIndex = 1;
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// Adjust Top
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[self removeConstraint:self.view constraint:self.selectionContainerTopConstraint];
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// it is not possible to define a constraint to the topLayoutGuide in the xib editor
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// so do it in the code ..
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self.selectionContainerTopConstraint = [NSLayoutConstraint constraintWithItem:self.topLayoutGuide
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.selectionContainer
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attribute:NSLayoutAttributeTop
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multiplier:1.0f
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constant:0.0f];
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[self addConstraint:self.selectionContainer constraint:self.selectionContainerTopConstraint];
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// TODO : it should be an application constant value
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greenVectorColor = [UIColor colorWithRed:(98.0/256.0) green:(206.0/256.0) blue:(156.0/256.0) alpha:1.0];
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[self createSegmentedViews];
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}
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- (void)createSegmentedViews
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{
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NSMutableArray* labels = [[NSMutableArray alloc] init];
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int count = 4;
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for(int index = 0; index < count; index++)
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{
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// create programmatically each label
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UILabel *label = [[UILabel alloc] init];
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label.text = label.text = [NSString stringWithFormat:@"toto %d", index];
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label.textAlignment = NSTextAlignmentCenter;
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label.textColor = greenVectorColor;
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label.backgroundColor = [UIColor clearColor];
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// the constraint defines the label frame
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// so ignore any autolayout stuff
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[label setTranslatesAutoresizingMaskIntoConstraints:NO];
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// add the label before setting the constraints
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[self.selectionContainer addSubview:label];
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NSLayoutConstraint *leftConstraint;
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if (labels.count)
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{
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leftConstraint = [NSLayoutConstraint constraintWithItem:label
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:[labels objectAtIndex:(index-1)]
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attribute:NSLayoutAttributeTrailing
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multiplier:1.0
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constant:0];
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}
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else
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{
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leftConstraint = [NSLayoutConstraint constraintWithItem:label
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self.selectionContainer
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attribute:NSLayoutAttributeLeading
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multiplier:1.0
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constant:0];
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}
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NSLayoutConstraint *rightConstraint = [NSLayoutConstraint constraintWithItem:label
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:self.selectionContainer
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attribute:NSLayoutAttributeWidth
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multiplier:1.0 / count
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constant:0];
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NSLayoutConstraint *topConstraint = [NSLayoutConstraint constraintWithItem:label
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.selectionContainer
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:0];
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NSLayoutConstraint *heightConstraint = [NSLayoutConstraint constraintWithItem:label
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attribute:NSLayoutAttributeHeight
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relatedBy:NSLayoutRelationEqual
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toItem:self.selectionContainer
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attribute:NSLayoutAttributeHeight
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multiplier:1.0
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constant:0];
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// set the constraints
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if ([NSLayoutConstraint respondsToSelector:@selector(activateConstraints:)])
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{
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[NSLayoutConstraint activateConstraints:@[leftConstraint, rightConstraint, topConstraint, heightConstraint]];
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}
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else
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{
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[self.selectionContainer addConstraint:leftConstraint];
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[self.selectionContainer addConstraint:rightConstraint];
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[self.selectionContainer addConstraint:topConstraint];
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[label addConstraint:heightConstraint];
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}
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UITapGestureRecognizer *labelTapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onLabelTouch:)];
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[labelTapGesture setNumberOfTouchesRequired:1];
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[labelTapGesture setNumberOfTapsRequired:1];
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label.userInteractionEnabled = YES;
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[label addGestureRecognizer:labelTapGesture];
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[labels addObject:label];
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}
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sectionLabels = labels;
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[self addSelectedMarkerView];
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[self displaySelectedViewController];
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}
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- (void)addSelectedMarkerView
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{
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// create the selected marker view
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selectedMarkerView = [[UIView alloc] init];
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selectedMarkerView.backgroundColor = greenVectorColor;
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[selectedMarkerView setTranslatesAutoresizingMaskIntoConstraints:NO];
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[self.selectionContainer addSubview:selectedMarkerView];
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leftMarkerViewConstraint = [NSLayoutConstraint constraintWithItem:selectedMarkerView
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:[sectionLabels objectAtIndex:selectedIndex]
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attribute:NSLayoutAttributeLeading
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multiplier:1.0
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constant:0];
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NSLayoutConstraint *widthConstraint = [NSLayoutConstraint constraintWithItem:selectedMarkerView
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:self.selectionContainer
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attribute:NSLayoutAttributeWidth
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multiplier:1.0 / sectionLabels.count
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constant:0];
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NSLayoutConstraint *bottomConstraint = [NSLayoutConstraint constraintWithItem:selectedMarkerView
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.selectionContainer
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:0];
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NSLayoutConstraint *heightConstraint = [NSLayoutConstraint constraintWithItem:selectedMarkerView
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attribute:NSLayoutAttributeHeight
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relatedBy:NSLayoutRelationEqual
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toItem:nil
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attribute:NSLayoutAttributeNotAnAttribute
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multiplier:1.0
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constant:3];
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// set the constraints
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if ([NSLayoutConstraint respondsToSelector:@selector(activateConstraints:)])
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{
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[NSLayoutConstraint activateConstraints:@[leftMarkerViewConstraint, widthConstraint, bottomConstraint, heightConstraint]];
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}
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else
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{
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[self.selectionContainer addConstraint:leftMarkerViewConstraint];
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[self.selectionContainer addConstraint:bottomConstraint];
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[selectedMarkerView addConstraint:heightConstraint];
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[selectedMarkerView addConstraint:heightConstraint];
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}
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}
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- (void)displaySelectedViewController
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{
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/*
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- (void) displayContentController: (UIViewController*) content;
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{
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[self addChildViewController:content];
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content.view.frame = [self frameForContentController];
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[self.view addSubview:self.currentClientView];
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[content didMoveToParentViewController:self];
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}*/
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}
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#pragma mark - touch event
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- (void)onLabelTouch:(UIGestureRecognizer*)gestureRecognizer
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{
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NSUInteger pos = [sectionLabels indexOfObject:gestureRecognizer.view];
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// check if there is an update before triggering anything
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if ((pos != NSNotFound) && (selectedIndex != pos))
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{
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// update the selected index
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selectedIndex = pos;
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// update the marker view position
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[self removeConstraint:selectedMarkerView constraint:leftMarkerViewConstraint];
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leftMarkerViewConstraint = [NSLayoutConstraint constraintWithItem:selectedMarkerView
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:[sectionLabels objectAtIndex:selectedIndex]
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attribute:NSLayoutAttributeLeading
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multiplier:1.0
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constant:0];
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[self addConstraint:selectedMarkerView constraint:leftMarkerViewConstraint];
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[self displaySelectedViewController];
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}
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}
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@end
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@@ -0,0 +1,44 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="8191" systemVersion="14F27" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES">
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<dependencies>
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<deployment identifier="iOS"/>
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<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8191"/>
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</dependencies>
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<objects>
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<placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="SegmentedViewController">
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<connections>
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<outlet property="selectionContainer" destination="ynH-uD-aQj" id="taa-CW-XgW"/>
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<outlet property="selectionContainerTopConstraint" destination="eLe-5q-IfV" id="UhZ-9k-P1r"/>
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<outlet property="view" destination="1TG-Rn-axS" id="WxL-e2-rVK"/>
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<outlet property="viewControllerContainer" destination="Hbe-uP-aJY" id="mD3-w0-UXi"/>
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</connections>
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</placeholder>
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<placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
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<view contentMode="scaleToFill" id="1TG-Rn-axS">
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<rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
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<subviews>
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<view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="ynH-uD-aQj" userLabel="Selection Container">
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<rect key="frame" x="0.0" y="0.0" width="600" height="44"/>
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<constraints>
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<constraint firstAttribute="height" constant="44" id="fZ1-SQ-nxS"/>
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</constraints>
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</view>
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<view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Hbe-uP-aJY" userLabel="Selected UITableView Container">
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<rect key="frame" x="0.0" y="44" width="600" height="556"/>
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<color key="tintColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
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</view>
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</subviews>
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<color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
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<constraints>
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<constraint firstAttribute="bottom" secondItem="Hbe-uP-aJY" secondAttribute="bottom" id="GHr-ci-L7A"/>
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<constraint firstItem="Hbe-uP-aJY" firstAttribute="leading" secondItem="ynH-uD-aQj" secondAttribute="leading" id="HTN-hD-pve"/>
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<constraint firstItem="ynH-uD-aQj" firstAttribute="width" secondItem="1TG-Rn-axS" secondAttribute="width" id="N0o-xo-47p"/>
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<constraint firstItem="Hbe-uP-aJY" firstAttribute="top" secondItem="ynH-uD-aQj" secondAttribute="bottom" id="Ovm-KQ-gUw"/>
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<constraint firstItem="Hbe-uP-aJY" firstAttribute="width" secondItem="1TG-Rn-axS" secondAttribute="width" id="YKU-mG-Loo"/>
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<constraint firstItem="ynH-uD-aQj" firstAttribute="leading" secondItem="1TG-Rn-axS" secondAttribute="leading" id="drw-gq-mYE"/>
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<constraint firstItem="ynH-uD-aQj" firstAttribute="top" secondItem="1TG-Rn-axS" secondAttribute="top" id="eLe-5q-IfV"/>
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</constraints>
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</view>
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</objects>
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</document>
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Reference in New Issue
Block a user