IOS超强表格控件GMGridView
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ios为我们提供UITableView类，实现了项目的纵向排列，而对于iOS整个操作桌面，所有应用程序却是以网格的形式排列，Gulam Moledina帮我们实现了这个效果，而且留有的接口与UITableView类似，使用起来相当方便。
需要的环境支持：
1、iOS5，需要UIScrollView手势支持；
2、ARC(Automatic Reference Counting自动引用计数)
3、框架Frameworks: Foundation, UIKit, CoreGraphics and QuartzCore
简单解析：
属性：
layoutStrategy和style属性，用来设置显示样式。
editing属性，是否进入编辑状态。
minEdgeInsets属性设置项目与项目直接的间隔。
代理dataSource，actionDelegate，sortingDelegate，transformDelegate接收数据或是处理事件。
代理：
GMGridViewDataSource项目的多少以及样子（cell）
GMGridViewActionDelegate重点捕获了，项目被点击的事件
GMGridViewSortingDelegate项目重排时一系列事件
GMGridViewTransformationDelegate项目状态改变时的变化
方法：
- (void)reloadData;//最常用的重新加载数据
- (void)insertObjectAtIndex:(NSInteger)index animated:(BOOL)animated;//插入
- (void)removeObjectAtIndex:(NSInteger)index animated:(BOOL)animated;//移除
- (void)reloadObjectAtIndex:(NSInteger)index animated:(BOOL)animated;//重载
- (void)swapObjectAtIndex:(NSInteger)index1 withObjectAtIndex:(NSInteger)index2 animated:(BOOL)animated;//排序项目
AppDelegate.mRootViewController *root = [[RootViewController alloc] init];
self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:root];RootViewController.h
#import <UIKit/UIKit.h>
#import "GMGridView.h"
@interface RootViewController : UIViewController<GMGridViewDataSource,GMGridViewActionDelegate,GMGridViewSortingDelegate,GMGridViewTransformationDelegate>
GMGridView *_gmGridView;
UIPopoverController *_optionsPopOver;
UINavigationController *_optionNav;
NSMutableArray *_array;
RootViewController.m
#import "RootViewController.h"
#import "GMGridView.h"
#import "OptionsViewController.h"
#define NUMBER_ITEMS_ON_LOAD 10
@interface RootViewController ()
- (void)addMoreItem;
- (void)removeItem;
- (void)refreshItem;
- (void)presentInfo;
//- (void)presentOptions:(UIBarButtonItem *)barButton;
@end
@implementation RootViewController
- (id)init
if ((self =[super init]))
self.title = @"Root";
UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addMoreItem)];
UIBarButtonItem *space = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
space.width = 10;
UIBarButtonItem *removeButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(removeItem)];
UIBarButtonItem *space2 = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
space2.width = 10;
UIBarButtonItem *refreshButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(refreshItem)];
if ([self.navigationItem respondsToSelector:@selector(leftBarButtonItems)])
self.navigationItem.leftBarButtonItems = [NSArray arrayWithObjects:addButton, space, removeButton, space2, refreshButton, nil];
else
self.navigationItem.leftBarButtonItem = addButton;
UIBarButtonItem *optionsButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCompose target:self action:@selector(presentOptions:)];
if ([self.navigationItem respondsToSelector:@selector(rightBarButtonItems)])
self.navigationItem.rightBarButtonItems = [NSArray arrayWithObjects:optionsButton, nil];
else
self.navigationItem.rightBarButtonItem = optionsButton;
_array = [[NSMutableArray alloc] init];
for (int i = 0; i < NUMBER_ITEMS_ON_LOAD; i ++)
[_array addObject:[NSString stringWithFormat:@"%d", i]];
return self;
- (void)viewDidLoad
[super viewDidLoad];
self.edgesForExtendedLayout = UIRectEdgeNone;
- (void)loadView
[super loadView];
self.view.backgroundColor = [UIColor whiteColor];
_gmGridView = [[GMGridView alloc] initWithFrame:self.view.bounds];
_gmGridView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
_gmGridView.backgroundColor = [UIColor clearColor];
_gmGridView.dataSource = self;
_gmGridView.actionDelegate = self;
_gmGridView.sortingDelegate = self;
_gmGridView.transformDelegate = self;
_gmGridView.centerGrid = YES;
_gmGridView.style = GMGridViewStyleSwap;
_gmGridView.minEdgeInsets = UIEdgeInsetsMake(5, 10, -5, 10);//项目之间的间隔
_gmGridView.itemSpacing = 10;
_gmGridView.itemHSpacing = 20;
[self.view addSubview:_gmGridView];
UIButton *infoButton = [UIButton buttonWithType:UIButtonTypeInfoDark];
infoButton.frame = CGRectMake(self.view.bounds.size.width - 40,
self.view.bounds.size.height - 40,
40,
40);
infoButton.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin;
[infoButton addTarget:self action:@selector(presentInfo) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:infoButton];
OptionsViewController *optionCtrl = [[OptionsViewController alloc] init];
optionCtrl.gmGridView = _gmGridView;
//optionCtrl.contentSizeForViewInPopover = CGSizeMake(400, 500);
_optionNav = [[UINavigationController alloc] initWithRootViewController:optionCtrl];
if (INTERFACE_IS_PHONE)
UIBarButtonItem *doneButton = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStyleDone target:self action:@selector(optionsDoneAction)];
optionCtrl.navigationItem.rightBarButtonItem = doneButton;
//单元格个数
#pragma mark - GMGridViewDataSource
- (NSInteger)numberOfItemsInGMGridView:(GMGridView *)gridView
return _array.count;
//大小
- (CGSize)sizeForItemsInGMGridView:(GMGridView *)gridView
CGSize size = CGSizeMake(70, 100);
return size;
//创建单元格
- (GMGridViewCell *)GMGridView:(GMGridView *)gridView cellForItemAtIndex:(NSInteger)index
CGSize size = [self sizeForItemsInGMGridView:gridView];
GMGridViewCell *cell = [gridView dequeueReusableCell];
if (!cell)
cell = [[GMGridViewCell alloc] init];
cell.deleteButtonIcon = [UIImage imageNamed:@"close_x.png"];
cell.deleteButtonOffset = CGPointMake(-15, -15);
UIImageView *bookView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"book.png"]];
[bookView setFrame:CGRectMake(0, 0, size.width,size.height)];
cell.contentView = bookView;
[[cell.contentView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
return cell;
- (void)GMGridView:(GMGridView *)gridView deleteItemAtIndex:(NSInteger)index
[_array removeObjectAtIndex:index];
//点击单元格调用的方法
#pragma mark - GMGridViewActionDelegate
- (void)GMGridView:(GMGridView *)gridView didTapOnItemAtIndex:(NSInteger)position
NSLog(@"Did tap at index:%d",position);
#pragma mark - GMGridViewSortingDelegate
//开始拖动单元格调用的方法
- (void)GMGridView:(GMGridView *)gridView didStartMovingCell:(GMGridViewCell *)cell
[UIView animateWithDuration:.3 delay:0 options:UIViewAnimationOptionAllowUserInteraction animations:^
cell.contentView.backgroundColor = [UIColor cyanColor];
//阴影宽度
cell.contentView.layer.shadowOpacity = .7;
completion:nil];
//单元格结束拖动调用的方法
- (void)GMGridView:(GMGridView *)gridView didEndMovingCell:(GMGridViewCell *)cell
[UIView animateWithDuration:.3 delay:0 options:UIViewAnimationOptionAllowUserInteraction animations:^
cell.contentView.backgroundColor = [UIColor cyanColor];
cell.contentView.layer.shadowOpacity = 0;
completion:nil];
// Enable/Disable the shaking behavior of an item being moved
- (BOOL)GMGridView:(GMGridView *)gridView shouldAllowShakingBehaviorWhenMovingCell:(GMGridViewCell *)view atIndex:(NSInteger)index
return YES;
- (void)GMGridView:(GMGridView *)gridView moveItemAtIndex:(NSInteger)oldIndex toIndex:(NSInteger)newIndex
NSObject *object = [_array objectAtIndex:oldIndex];
[_array removeObject:object];
[_array insertObject:object atIndex:newIndex];
//交换下标位置
- (void)GMGridView:(GMGridView *)gridView exchangeItemAtIndex:(NSInteger)index1 withItemAtIndex:(NSInteger)index2
[_array exchangeObjectAtIndex:index1 withObjectAtIndex:index2];
#pragma mark - GMGridViewTransformationDelegate 项目状态改变时的变化
- (CGSize)GMGridView:(GMGridView *)gridView sizeInFullSizeForCell:(GMGridViewCell *)cell atIndex:(NSInteger)index
NSLog(@"hello");
return CGSizeMake(310, 310);
- (UIView *)GMGridView:(GMGridView *)gridView fullSizeViewForCell:(GMGridViewCell *)cell atIndex:(NSInteger)index
UIView *fullView = [[UIView alloc] init];
fullView.backgroundColor = [UIColor orangeColor];
fullView.layer.masksToBounds = NO;
fullView.layer.cornerRadius = 8;
CGSize size = [self GMGridView:gridView sizeInFullSizeForCell:cell atIndex:index];
fullView.bounds = CGRectMake(0, 0, size.width, size.height);
UILabel *label = [[UILabel alloc] initWithFrame:fullView.bounds];
label.text = [NSString stringWithFormat:@"my label %ld",index];
label.textAlignment = NSTextAlignmentCenter;
label.backgroundColor = [UIColor clearColor];
label.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
label.font = [UIFont boldSystemFontOfSize:15];
[fullView addSubview:label];
return fullView;
// Transformation (pinch, drag, rotate) of the item
- (void)GMGridView:(GMGridView *)gridView didStartTransformingCell:(GMGridViewCell *)cell
[UIView animateWithDuration:0.5
delay:0
options:UIViewAnimationOptionAllowUserInteraction
animations:^
cell.contentView.backgroundColor = [UIColor blueColor];
cell.contentView.layer.shadowOpacity = 0.7;
completion:nil];
- (void)GMGridView:(GMGridView *)gridView didEnterFullSizeForCell:(GMGridViewCell *)cell
[UIView animateWithDuration:0.5
delay:0
options:UIViewAnimationOptionAllowUserInteraction
animations:^
cell.contentView.backgroundColor = [UIColor blueColor];
cell.contentView.layer.shadowOpacity = 0;
completion:nil];
- (void)GMGridView:(GMGridView *)gridView didEndTransformingCell:(GMGridViewCell *)cell
NSLog(@"did END");
#pragma mark private methods
//
- (void)addMoreItem
// Example: adding object at the last position
NSString *newItem = [NSString stringWithFormat:@"%d", (int)(arc4random() % 1000)];
[_array addObject:newItem];
[_gmGridView insertObjectAtIndex:[_array count] - 1];
- (void)removeItem
// Example: removing last item
if ([_array count] > 0)
NSInteger index = [_array count] - 1;
[_gmGridView removeObjectAtIndex:index];
[_array removeObjectAtIndex:index];
- (void)refreshItem
// Example: reloading last item
if ([_array count] > 0)
int index = [_array count] - 1;
NSString *newMessage = [NSString stringWithFormat:@"%d", (arc4random() % 1000)];
[_array replaceObjectAtIndex:index withObject:newMessage];
[_gmGridView reloadObjectAtIndex:index];
- (void)presentInfo
NSString *info = @"Long-press an item and its color will change; letting you know that you can now move it around. \\n\\nUsing two fingers, pinch/drag/rotate an item; zoom it enough and you will enter the fullsize mode";
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Info"
message:info
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[alertView show];
- (void)presentOptions:(UIBarButtonItem *)barButton
if (INTERFACE_IS_PHONE)
[self presentViewController:_optionNav animated:YES completion:nil];
else
if(![_optionsPopOver isPopoverVisible])
if (!_optionsPopOver)
_optionsPopOver = [[UIPopoverController alloc] initWithContentViewController:_optionNav];
[_optionsPopOver presentPopoverFromBarButtonItem:barButton permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
else
[self optionsDoneAction];
- (void)optionsDoneAction
if (INTERFACE_IS_PHONE)
[self dismissViewControllerAnimated:YES completion:nil];
else
[_optionsPopOver dismissPopoverAnimated:YES];
@end
#import <UIKit/UIKit.h>
@class GMGridView;
@interface OptionsViewController : UIViewController<UITableViewDelegate,UITableViewDataSource,UIPickerViewDataSource,UIPickerViewDelegate>
UITableView *_tableView;
@property (nonatomic,retain)GMGridView *gmGridView;
@end
#import "OptionsViewController.h"
#import "GMGridView.h"
#import "GMGridViewLayoutStrategies.h"
// Sections
typedef enum
OptionSectionGeneral = 0,
OptionSectionLayout,
OptionSectionSorting,
OptionSectionDebug,
OptionSectionsCount
OptionsTypeSections;
// General
typedef enum
OptionTypeGeneralEditing = 0,
OptionGeneralCount
OptionsTypeGeneral;
// Options layout
typedef enum
OptionTypeLayoutStrategy = 0,
OptionsTypeLayoutSpacing,
OptionsTypeLayoutCenter,
OptionsTypeLayoutMinInsets,
OptionLayoutCount
OptionsTypeLayout;
// Options sorting
typedef enum
OptionTypeSortingStyle = 0,
OptionSortingCount
OptionsTypeSorting;
// Options debug
typedef enum
OptionTypeDebugGridBackground = 0,
OptionTypeDebugReload,
OptionDebugCount
OptionsTypeDebug;
@interface OptionsViewController ()
//- (void)editingSwitchChanged:(UISwitch *)control;
//- (void)sortStyleSegmentedControlChanged:(UISegmentedControl *)control;
//- (void)layoutCenterSwitchChanged:(UISwitch *)control;
//- (void)layoutSpacingSliderChanged:(UISlider *)control;
//- (void)layoutInsetsSliderChanged:(UISlider *)control;
//- (void)debugGridBackgroundSwitchChanged:(UISwitch *)control;
//- (void)debugReloadButtonPressed:(UIButton *)control;
@end
@implementation OptionsViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self)
// Custom initialization
return self;
- (void)viewDidLoad
[super viewDidLoad];
_tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStyleGrouped];
_tableView.dataSource = self;
_tableView.delegate = self;
_tableView.backgroundColor = [UIColor grayColor];
[self.view addSubview:_tableView];
self.edgesForExtendedLayout = UIRectEdgeNone;
self.navigationController.navigationBar.barTintColor = [UIColor blackColor];
#pragma mark - UITableViewDataSource&UITableViewDelegate
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
return 35;
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
static NSString *cellIdentifier = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
if (!cell)
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellIdentifier];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
if ([indexPath section] == OptionSectionGeneral)
switch ([indexPath row])
case OptionTypeGeneralEditing:
cell.detailTextLabel.text = @"Editing";
UISwitch *editingSwitch = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 100, 30)];
[editingSwitch addTarget:self action:@selector(editingSwitchChanged:) forControlEvents:UIControlEventValueChanged];
editingSwitch.on = self.gmGridView.isEditing;
cell.accessoryView = editingSwitch;
else if ([indexPath section] == OptionSectionLayout)
switch ([indexPath row])
case OptionTypeLayoutStrategy:
cell.detailTextLabel.text = @"NULL";
UIPickerView *pickerView = [[UIPickerView alloc] initWithFrame:cell.contentView.bounds];
pickerView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
pickerView.showsSelectionIndicator = YES;
pickerView.delegate = self;
pickerView.dataSource = self;
switch ([self.gmGridView.layoutStrategy type])
case GMGridViewLayoutVertical:
default:
[pickerView selectRow:0 inComponent:0 animated:YES];
break;
cell.contentView.clipsToBounds = YES;
[cell.contentView addSubview:pickerView];
break;
case OptionsTypeLayoutCenter:
cell.detailTextLabel.text = @"Center";
UISwitch *centerSwitch = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 100, 30)];
[centerSwitch addTarget:self action:@selector(layoutCenterSwitchChanged:) forControlEvents:UIControlEventValueChanged];
centerSwitch.on = self.gmGridView.centerGrid;
cell.accessoryView = centerSwitch;
break;
case OptionsTypeLayoutSpacing:
cell.detailTextLabel.text = @"Spacing";
UISlider *slider = [[UISlider alloc] initWithFrame:CGRectMake(0, 0, 200, 30)];
[slider setMinimumValue:0];
[slider setMaximumValue:20];
[slider setValue:self.gmGridView.itemSpacing];
[slider setContinuous:NO];
[slider addTarget:self action:@selector(layoutSpacingSliderChanged:) forControlEvents:UIControlEventValueChanged];
cell.accessoryView = slider;
break;
case OptionsTypeLayoutMinInsets:
cell.detailTextLabel.text = @"Edge insets";
UISlider *slider = [[UISlider alloc] initWithFrame:CGRectMake(0, 0, 200, 30)];
[slider setMinimumValue:0];
[slider setMaximumValue:50];
[slider setValue:self.gmGridView.minEdgeInsets.top];
[slider setContinuous:NO];
[slider addTarget:self action:@selector(layoutInsetsSliderChanged:) forControlEvents:UIControlEventValueChanged];
cell.accessoryView = slider;
break;
else if ([indexPath section] == OptionSectionSorting)
switch ([indexPath row])
case OptionTypeSortingStyle:
cell.detailTextLabel.text = @"Style";
UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"Swap", @"Push", nil]];
segmentedControl.frame = CGRectMake(0, 0, 150, 30);
[segmentedControl addTarget:self action:@selector(sortStyleSegmentedControlChanged:) forControlEvents:UIControlEventValueChanged];
segmentedControl.selectedSegmentIndex = (self.gmGridView.style == GMGridViewStylePush) ? 1 : 0;
cell.accessoryView = segmentedControl;
break;
else if ([indexPath section] == OptionSectionDebug)
switch ([indexPath row])
case OptionTypeDebugGridBackground:
cell.detailTextLabel.text = @"Grid background color";
UISwitch *backgroundSwitch = [[UISwitch alloc] init];
[backgroundSwitch addTarget:self action:@selector(debugGridBackgroundSwitchChanged:) forControlEvents:UIControlEventValueChanged];
backgroundSwitch.on = (self.gmGridView.backgroundColor != [UIColor clearColor]);
[backgroundSwitch sizeToFit];
cell.accessoryView = backgroundSwitch;
break;
case OptionTypeDebugReload:
cell.detailTextLabel.text = @"Reload from Datasource";
UIButton *reloadButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[reloadButton setReversesTitleShadowWhenHighlighted:YES];
[reloadButton setTitleColor:[UIColor redColor] forState:UIControlEventTouchUpInside];
[reloadButton setTitle:@"Reload" forState:UIControlStateNormal];
[reloadButton addTarget:self action:@selector(debugReloadButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
[reloadButton sizeToFit];
cell.accessoryView = reloadButton;
break;
return cell;
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
CGFloat height = 45;
if (indexPath.section == OptionSectionLayout)
switch (indexPath.row)
case OptionTypeLayoutStrategy:
height = 160;
break;
return height;
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
return OptionSectionsCount;
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
NSInteger count = 0;
switch (section)
case OptionSectionGeneral:
count = OptionGeneralCount;
break;
case OptionSectionLayout:
count = OptionLayoutCount;
break;
case OptionSectionSorting:
count = OptionSortingCount;
break;
case OptionSectionDebug:
count = OptionDebugCount;
break;
return count;
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
NSString *title = @"UnKnown";
switch (section)
case OptionSectionGeneral:
title = @"General";
break;
case OptionSectionLayout:
title = @"Layout";
case OptionSectionSorting:
title = @"Sorting";
case OptionSectionDebug:
title = @"Debug";
break;
return title;
#pragma mark - UIPickerViewDataSource & UIPickerViewDelegate
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
self.gmGridView.layoutStrategy = [GMGridViewLayoutStrategyFactory strategyFromType:GMGridViewLayoutVertical];
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
return 1;
- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
return 4;
- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
NSString *title = nil;
title = @"Vertical strategy";
return title;
#pragma mark Control callbacks
//
- (void)editingSwitchChanged:(UISwitch *)control
self.gmGridView.editing = control.on;
//control.on = self.gmGridView.isEditing;
- (void)sortStyleSegmentedControlChanged:(UISegmentedControl *)control
switch (control.selectedSegmentIndex)
case 1:
self.gmGridView.style = GMGridViewStylePush;
break;
case 0:
default:
self.gmGridView.style = GMGridViewStyleSwap;
break;
- (void)layoutInsetsSliderChanged:(UISlider *)control
self.gmGridView.minEdgeInsets = UIEdgeInsetsMake(control.value, control.value, control.value, control.value);
- (void)layoutCenterSwitchChanged:(UISwitch *)control
self.gmGridView.centerGrid = control.on;
- (void)layoutSpacingSliderChanged:(UISlider *)control
self.gmGridView.itemSpacing = control.value;
- (void)debugGridBackgroundSwitchChanged:(UISwitch *)control
self.gmGridView.backgroundColor = control.on ? [UIColor lightGrayColor] : [UIColor clearColor];
- (void)debugReloadButtonPressed:(UIButton *)control
[self.gmGridView reloadData];
@end
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