iOS tableViewCell侧滑改变收藏状态

时间:2022-06-06 14:44:23

iOS  tableViewCell侧滑改变收藏状态            iOS  tableViewCell侧滑改变收藏状态

/**
* 图片素材 链接: http://pan.baidu.com/s/1mhi1sfQ 密码: w2wq
*/
#import <UIKit/UIKit.h> @interface AppDelegate : UIResponder <UIApplicationDelegate> @property (strong, nonatomic) UIWindow *window; @end
#import "AppDelegate.h"
#import "RootViewController.h"
@interface AppDelegate () @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor]; UINavigationController *navi = [[UINavigationController alloc] initWithRootViewController:[[RootViewController alloc] init]];
self.window.rootViewController = navi; [self.window makeKeyAndVisible];
return YES;
} @end
#import <UIKit/UIKit.h>

@interface RootViewController : UIViewController

@end
#import "RootViewController.h"
#import "LFCustomCell.h"
@interface RootViewController ()<UITableViewDataSource,UITableViewDelegate,LFCustomCellDelegate>
{
UITableView *_tableView;
NSMutableArray *staues;
}
@end @implementation RootViewController - (void)loadView{
[super loadView];
_tableView = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] bounds] style:UITableViewStylePlain];
_tableView.dataSource = self;
_tableView.delegate = self;
_tableView.tableFooterView = [[UIView alloc] init];
[self.view addSubview:_tableView];
} - (void)viewDidLoad {
[super viewDidLoad];
self.title = @"侧滑收藏"; for (int i = ; i < ; i++) {
if (!staues) {
staues = [[NSMutableArray alloc] init];
}
[staues addObject:@];//0代表未收藏,1代表已收藏
} } #pragma mark -- UITableViewDataSource --
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
return ;
} - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return ;
} - (UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *identifier = @"customCell";
LFCustomCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
if (!cell) {
cell = [[LFCustomCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
cell.delegate = self;
}
cell.contentLabel.text = [NSString stringWithFormat:@"测试的cell 编号:%ld",indexPath.row];
cell.isCollected = [staues[indexPath.row] intValue];
cell.indexPath = indexPath;
return cell;
}
#pragma mark -- LFCustomCellDelegate --
- (void)processDataWithIndexPath:(NSIndexPath *)indexPath andStatue:(int)statue{
NSLog(@"indexPath:%@ , statue:%d",indexPath,statue);
[staues replaceObjectAtIndex:indexPath.row withObject:[NSNumber numberWithInt:statue]];
} - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} @end
#import <UIKit/UIKit.h>

@protocol LFCustomCellDelegate <NSObject>

- (void)processDataWithIndexPath:(NSIndexPath*)indexPath andStatue:(int)statue;

@end

@interface LFCustomCell : UITableViewCell

@property(nonatomic, weak) id<LFCustomCellDelegate> delegate;

@property(nonatomic, strong) UILabel *contentLabel;
@property(nonatomic, strong) UIImageView *statueView;
@property(nonatomic, assign) int isCollected;
@property(nonatomic, strong) NSIndexPath *indexPath; @end
#import "LFCustomCell.h"
#define CELL_WIDTH [UIScreen mainScreen].bounds.size.width
const float animateDuration = 0.3;
const double statueViewWidth = ;
@interface LFCustomCell ()<UIGestureRecognizerDelegate> @property (nonatomic, assign) BOOL isLeft; @end
@implementation LFCustomCell
- (void)awakeFromNib {
// Initialization code
} - (void)setSelected:(BOOL)selected animated:(BOOL)animated {
[super setSelected:selected animated:animated]; // Configure the view for the selected state
} - (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (self) {
self.backgroundColor = [UIColor orangeColor];
self.selectionStyle = UITableViewCellSelectionStyleNone;
self.isLeft = YES;
[self addSubview:self.contentLabel];
[self addSubview:self.statueView];
}
return self;
}
/**
* 初始化_contentLabel
*/
- (UILabel *)contentLabel{
if (!_contentLabel) {
_contentLabel = [[UILabel alloc] init];
_contentLabel.backgroundColor = [UIColor whiteColor];
_contentLabel.userInteractionEnabled = YES;
UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panGestureAction:)];
pan.delegate = self;
[_contentLabel addGestureRecognizer:pan];
}
return _contentLabel;
}
/**
* 初始化_statueView
*/
- (UIImageView *)statueView{
if (!_statueView) {
_statueView = [[UIImageView alloc] init];
}
return _statueView;
} - (void)panGestureAction:(UIPanGestureRecognizer*)sender{
CGPoint translation = [sender translationInView:self]; switch (sender.state) {
case UIGestureRecognizerStateBegan:
break;
case UIGestureRecognizerStateChanged:
//当垂直拖拽时,不执行方法
if (fabs(translation.x)<fabs(translation.y)) {
return;
}
//向左滑动时,移动_contentLabel;向右滑动时,直接返回
if (translation.x < ) {
if (fabs(translation.x)<CELL_WIDTH/2.0) {
CGRect frame = _contentLabel.frame;
frame.origin.x = translation.x;
_contentLabel.frame = frame;
CGRect otherFrame = _statueView.frame;
otherFrame.origin.x = CGRectGetMaxX(_contentLabel.frame);
_statueView.frame = otherFrame;
}
if ((fabs(translation.x) > (CELL_WIDTH/2.0-)) && (self.isLeft == YES)) {
[self changeCollectionStatue];
self.isLeft = NO;
}
}else{
return;
}
break;
default:
[UILabel animateWithDuration:animateDuration animations:^{
_contentLabel.frame = self.bounds;
_statueView.frame = CGRectMake(CGRectGetMaxX(self.contentLabel.frame), , statueViewWidth, self.bounds.size.height);
} completion:^(BOOL finished) {
self.isLeft = YES;
}];
break;
}
} - (void)layoutSubviews{
self.contentLabel.frame = self.bounds;
self.statueView.frame = CGRectMake(CGRectGetMaxX(self.contentLabel.frame), , statueViewWidth, self.bounds.size.height);
if (self.isCollected) {
_statueView.image = [UIImage imageNamed:@"isCollect"];
}else{
_statueView.image = [UIImage imageNamed:@"noCollected"];
}
} - (void)changeCollectionStatue{
if (self.isCollected) {
_statueView.image = [UIImage imageNamed:@"cancleCollect"];
self.isCollected = ;
}else{
_statueView.image = [UIImage imageNamed:@"isCollect"];
self.isCollected = ;
}
if ([_delegate respondsToSelector:@selector(processDataWithIndexPath:andStatue:)]) {
[_delegate processDataWithIndexPath:self.indexPath andStatue:self.isCollected];
}
}
#pragma mark -- UIGestureRecognizerDelegate --
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer{
return YES;
} @end