UITableView自定义多选删除样式

Model.h
<pre>#import <Foundation/Foundation.h>
@interface Model : NSObject
@property(nonatomic,strong)NSString *desc;
+(instancetype)modelWithDesc:(NSString *)desc;
@end</pre>
Model.m
<pre>#import "Model.h"

@implementation Model

+(instancetype)modelWithDesc:(NSString *)desc
{
Model *m=[Model new];
m.desc=desc;
return m;
}
@end</pre>
CustomCell.h
<pre>#import <UIKit/UIKit.h>

@interface CustomCell : UITableViewCell

@property(nonatomic,strong)UILabel *titleLb;
@property(nonatomic,strong)UIButton *selectBtn;

@end</pre>
CustomCell.m
<pre>#import "CustomCell.h"
#define kWidth ([UIScreen mainScreen].bounds.size.width)

@implementation CustomCell

(void)awakeFromNib {
}
(void)setSelected:(BOOL)selected animated:(BOOL)animated {
[super setSelected:selected animated:animated];
}
-(id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
if(self=[super initWithStyle:style reuseIdentifier:reuseIdentifier])
{
self.backgroundColor=[UIColor blackColor];
[self createUI];
self.selectionStyle=UITableViewCellSelectionStyleNone;
}
return self;
}
-(void)createUI
{
for(UIView *sub in self.contentView.subviews)
[sub removeFromSuperview];

//选择按钮
self.selectBtn=[[UIButton alloc]initWithFrame:CGRectMake(-20, 10, 20, 20)];
[self.selectBtn setImage:[UIImage imageNamed:@"un_select"] forState:UIControlStateNormal];
[self .selectBtn setImage:[UIImage imageNamed:@"select"] forState:UIControlStateSelected];
[self.contentView addSubview:self.selectBtn];
//默认隐藏
self.selectBtn.hidden=YES;

// 标题Lb
self.titleLb=[[UILabel alloc]initWithFrame:CGRectMake(20, 0,kWidth-40, 40)];
self.titleLb.textColor=[UIColor whiteColor];
[self.contentView addSubview:self.titleLb];
}
@end</pre>
EditViewController.h
<pre>#import <UIKit/UIKit.h>

@interface EditViewController : UIViewController

@end</pre>
EditViewController.m
<pre>#import "EditViewController.h"

import "CustomCell.h"

import "Model.h"

#define kWidth ([UIScreen mainScreen].bounds.size.width)
#define kHeight ([UIScreen mainScreen].bounds.size.height)
#define RGB(r,g,b) ([UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:1.0f])

@interface EditViewController ()<UITableViewDataSource,UITableViewDelegate>
{
UITableView *_tbView;
NSMutableArray *_dataArray;
NSMutableArray *_delArray;
}
//底部工具栏
@property(nonatomic,strong)UIView *toolView;

@end

@implementation EditViewController

(void)viewDidLoad
{
[super viewDidLoad];
[self setUp];
[self initDataArray];
[self createTbView];
[self createBottomTools];
}
//初始设置
-(void)setUp
{
self.automaticallyAdjustsScrollViewInsets=NO;
//导航视图
UIView *naviView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, kWidth, 64)];
naviView.backgroundColor=RGB(157, 25, 36);
[self.view addSubview:naviView];
//导航栏标题
UILabel *titleLb=[[UILabel alloc]initWithFrame:CGRectMake(0, 20, kWidth, 44)];
titleLb.text=@"编辑分组";
titleLb.textColor=[UIColor whiteColor];
titleLb.textAlignment=NSTextAlignmentCenter;
titleLb.font=[UIFont systemFontOfSize:20];
[naviView addSubview:titleLb];
//编辑按钮
UIButton *rightBtn=[[UIButton alloc]initWithFrame:CGRectMake(kWidth-60, 27, 40, 30)];
[rightBtn setTitle:@"编辑" forState:UIControlStateNormal];
[rightBtn setTitle:@"完成" forState:UIControlStateSelected];
[rightBtn addTarget:self action:@selector(editAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:rightBtn];
}
//初始化数组
-(void)initDataArray
{
//初始化数据源数组
_dataArray=[NSMutableArray array];

[_dataArray addObject:[Model modelWithDesc:@"我的自选"]];
[_dataArray addObject:[Model modelWithDesc:@"我关注的牛股"]];
[_dataArray addObject:[Model modelWithDesc:@"环保牛股"]];
//初始化删除数组
_delArray=[NSMutableArray array];
}
//点击编辑按钮执行的方法
-(void)editAction:(UIButton *)sender
{
[_tbView setEditing:!_tbView.isEditing animated:YES];
sender.selected=!sender.isSelected;

if(sender.isSelected)
{
NSArray *allCells=[_tbView visibleCells];
for(CustomCell *cell in allCells)
{
cell.selectBtn.hidden=NO;
cell.selectBtn.selected=NO;
}
//显示底部toolView
[self showToolView];
}
else
{
NSArray *allCells=[_tbView visibleCells];
for(CustomCell *cell in allCells)
cell.selectBtn.hidden=YES;
```
  //隐藏底部toolView
  [self hideToolView];
  
  //执行删除
  [_dataArray removeObjectsInArray:_delArray];
  //清空删除数组
  [_delArray removeAllObjects];
  //刷新表视图
  [_tbView reloadData];
```
}
}
//表视图
-(void)createTbView
{
_tbView=[[UITableView alloc]initWithFrame:CGRectMake(0, 64, kWidth, kHeight-64)];
_tbView.delegate=self;
_tbView.dataSource=self;
_tbView.backgroundColor=[UIColor blackColor];
_tbView.separatorColor=[UIColor whiteColor];
_tbView.separatorStyle=UITableViewCellSeparatorStyleSingleLine;
[self.view addSubview:_tbView];
_tbView.scrollEnabled=NO;
_tbView.allowsSelectionDuringEditing=YES;
_tbView.tableFooterView=[UIView new];
}
//底部工具栏
-(void)createBottomTools
{
_toolView=[[UIView alloc]initWithFrame:CGRectMake(0, kHeight, kWidth, 49)];
_toolView.backgroundColor=[UIColor darkGrayColor];
[self.view addSubview:_toolView];

//全选按钮
UIButton *selectAllBtn=[[UIButton alloc]initWithFrame:CGRectMake(10, 14.5, 20, 20)];
[selectAllBtn setImage:[UIImage imageNamed:@"un_all_select"] forState:UIControlStateNormal];
[selectAllBtn setImage:[UIImage imageNamed:@"select"] forState:UIControlStateSelected];
[selectAllBtn addTarget:self action:@selector(selectAllRows:) forControlEvents:UIControlEventTouchUpInside];
selectAllBtn.tag=100;
[_toolView addSubview:selectAllBtn];

//去选lb
UILabel *selectAllLb=[[UILabel alloc]initWithFrame:CGRectMake(CGRectGetMaxX(selectAllBtn.frame)+5, 14.5, 40, 20)];
selectAllLb.textColor=[UIColor whiteColor];
selectAllLb.text=@"全选";
selectAllLb.textAlignment=NSTextAlignmentCenter;
[_toolView addSubview:selectAllLb];

//删除数量
UILabel *deleteCountLb=[[UILabel alloc]initWithFrame:CGRectMake(kWidth-70, 14.5, 60, 20)];
deleteCountLb.text=@"删除(0)";
deleteCountLb.textAlignment=NSTextAlignmentCenter;
deleteCountLb.textColor=[UIColor whiteColor];
deleteCountLb.tag=111;
[_toolView addSubview:deleteCountLb];

//默认隐藏
_toolView.hidden=YES;
}
//全选
-(void)selectAllRows:(UIButton *)sender
{
sender.selected=!sender.isSelected;
if(_delArray.count<_dataArray.count)
{
for(Model *m in _dataArray)
{
if(![_delArray containsObject:m])
[_delArray addObject:m];
}
```
  NSArray *allCells=[_tbView visibleCells];
  for(CustomCell *cell in allCells)
      cell.selectBtn.selected=YES;
```
}
else
{
[_delArray removeAllObjects];
NSArray *allCells=[_tbView visibleCells];
for(CustomCell *cell in allCells)
cell.selectBtn.selected=NO;
}
[self refreshDeleteCountLb];
}
//显示工具栏
-(void)showToolView
{
__weak typeof(self) weakSelf=self;
UILabel *deleteCountLb=(UILabel *)[self.toolView viewWithTag:111];
deleteCountLb.text=@"删除(0)";
self.toolView.hidden=NO;
//全选标记置为否
UIButton *selectAllBtn=(UIButton *)[self.toolView viewWithTag:100];
selectAllBtn.selected=NO;
[UIView animateWithDuration:0.3 animations:^{
CGFloat ypos=weakSelf.toolView.frame.origin.y;
ypos=kHeight-49;
weakSelf.toolView.frame=CGRectMake(0, ypos, kWidth, 49);
}];
}
//隐藏工具栏
-(void)hideToolView
{
__weak typeof(self) weakSelf=self;
[UIView animateWithDuration:0.3 animations:^{
CGFloat ypos=weakSelf.toolView.frame.origin.y;
ypos=kHeight;
weakSelf.toolView.frame=CGRectMake(0, ypos, kWidth, 49);
}completion:^(BOOL finished) {
weakSelf.toolView.hidden=YES;
}];
}
//刷新删除数量Lb
-(void)refreshDeleteCountLb
{
UILabel *deleteCountLb=(UILabel *)[self.toolView viewWithTag:111];
deleteCountLb.text=[NSString stringWithFormat:@"删除(%ld)",_delArray.count];
}

pragma mark -

pragma mark - UITableView

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return _dataArray.count;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 40;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *cid=@"cid";
CustomCell *cel=[tableView dequeueReusableCellWithIdentifier:cid];
if(!cel)
cel=[[CustomCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cid];
Model *model=_dataArray[indexPath.row];
cel.titleLb.text=model.desc;

return cel;

}
//编辑样式
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
return UITableViewCellEditingStyleNone;
}
//移动
-(void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath
{
//交换数据
[_dataArray exchangeObjectAtIndex:sourceIndexPath.row withObjectAtIndex:destinationIndexPath.row];

}
//选中时执行的逻辑
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if(_tbView.isEditing)
{
Model *m=_dataArray[indexPath.row];

    if(![_delArray containsObject:m])
    {
        [_delArray addObject:m];
        //若选择了所有行，则将全选标记置为是
        if(_delArray.count==_dataArray.count)
        {
            //全选标记置为是
            UIButton *selectAllBtn=(UIButton *)[self.toolView viewWithTag:100];
            selectAllBtn.selected=YES;
        }
        CustomCell *cell=(CustomCell *)[_tbView cellForRowAtIndexPath:indexPath];
        cell.selectBtn.selected=YES;
    }
    else
    {
        [_delArray removeObject:m];
        //全选标记置为否
        UIButton *selectAllBtn=(UIButton *)[self.toolView viewWithTag:100];
        selectAllBtn.selected=NO;
        //置为未选中
        CustomCell *cell=(CustomCell *)[_tbView cellForRowAtIndexPath:indexPath];
        cell.selectBtn.selected=NO;
    }
    
    //刷新删除数Lb
    [self refreshDeleteCountLb];
}

}
@end
</pre>
Appdelegate.m
<pre>
＃import "AppDelegate.h"
＃import "EditViewController.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
EditViewController *edit=[EditViewController new];
UINavigationController *navi=[[UINavigationController alloc]initWithRootViewController:edit];
navi.navigationBar.hidden=YES;
navi.navigationBar.barStyle=UIBarStyleBlack;
self.window.rootViewController=navi;
return YES;
}</pre>
<pre>

效果图

最后附上GitHub源码地址
</pre>

最后编辑于：2017.11.27 04:52:38

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UITableView自定义多选删除样式

import "CustomCell.h"

import "Model.h"

pragma mark -

pragma mark - UITableView

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