UITableViewCell取消与全选状态#import "ViewController.h"
@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
@property (nonatomic, assign)BOOL isAllSelected;
@property (nonatomic, strong)NSArray *dataArray;
@property (nonatomic, strong)UITableView *tableView;
@property (nonatomic, strong)NSMutableArray *selectedArrM;
@property (strong, nonatomic) NSMutableArray *selectIndexs; //多选选中的行
//@property (nonatomic, assign)BOOL isSelected;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = @"多选cellDemo";
self.selectedArrM = [NSMutableArray array];
self.dataArray = @[@"2",@"3",@"4",@"44565",@"6",@"7",@"8",@"9",@"0",@"13",@"12",@"14",@"15",@"17",@"19",@"20"];
//为左边的item设置标题和动作
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"全选" style:UIBarButtonItemStylePlain target:self action:@selector(selecteAllCells:)];
[self customTableView];
}
- (void)customTableView{
self.tableView= [[UITableView alloc]initWithFrame:self.view.frame style:UITableViewStylePlain];
self.tableView.delegate=self;
self.tableView.dataSource= self;
// self.tableView.editing = YES;
// self.tableView.allowsMultipleSelectionDuringEditing = YES;
//rself.tableView = tableV;
[self.view addSubview:self.tableView ];
}
- (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section{
return self.dataArray.count;
}
- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath{
UITableViewCell *cell = [tableViewdequeueReusableCellWithIdentifier:@"UITableViewCell"];
if(cell ==nil) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"UITableViewCell"];
}
cell.accessoryType = UITableViewCellAccessoryNone;
for(NSIndexPath*indexinself.selectIndexs) {
if(index == indexPath) {
cell.accessoryType =UITableViewCellAccessoryCheckmark;
break;
}
}
cell.textLabel.text=self.dataArray[indexPath.row];
returncell;
}
//获取tableView上面所有的cell
- (NSArray*)cellsForTableView:(UITableView*)tableView{
NSIntegersections = tableView.numberOfSections;
NSMutableArray *cells = [[NSMutableArray alloc]init];
for(intsection =0; section < sections; section++) {
NSIntegerrows = [tableView numberOfRowsInSection:section];
for(introw =0; row < rows; row++) {
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:row inSection:section];
[cellsaddObject:[tableViewcellForRowAtIndexPath:indexPath]];
}
}
returncells;
}
#pragma mark Actions
- (void)selecteAllCells:(UIBarButtonItem*)sender {
NSArray *arr = [self.tableView indexPathsForVisibleRows];
if (_isAllSelected == YES) {
_isAllSelected = NO;
[sendersetTitle:@"取消"];
for(NSIndexPath*indexPathinarr) {
//根据索引，获取cell 然后就可以做你想做的事情啦
UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
cell.accessoryType = UITableViewCellAccessoryNone; //切换为选中
}
for(inti =0; i
[self.selectedArrM removeObject:self.dataArray[i]];
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0];
[self.tableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionTop];
}
}else{
_isAllSelected = YES;
[sendersetTitle:@"全选"];
for(NSIndexPath*indexPathinarr) {
//根据索引，获取cell 然后就可以做你想做的事情啦
UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
cell.accessoryType = UITableViewCellAccessoryCheckmark; //切换为选中
}
for(inti =0; i
[self.selectedArrMaddObject:self.dataArray[i]];
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0];
[self.tableView deselectRowAtIndexPath:indexPath animated:YES];
}
}
NSLog(@"=====%@", self.selectedArrM);
}
#pragma mark <UITableViewDelegate>
- (void)tableView:(UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath {
NSArray*subviews = [[tableViewcellForRowAtIndexPath:indexPath]subviews];
NSString* name =self.dataArray[indexPath.row];
UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
if (cell.accessoryType == UITableViewCellAccessoryCheckmark) { //如果为选中状态
cell.accessoryType = UITableViewCellAccessoryNone; //切换为未选中
[self.selectedArrMremoveObject:name];
[_selectIndexsremoveObject:indexPath];//数据移除
}else{//未选中
cell.accessoryType = UITableViewCellAccessoryCheckmark; //切换为选中
[self.selectedArrMaddObject:name];
[_selectIndexsaddObject:indexPath];//添加索引数据到数组
}
NSLog(@"0000====%@",self.selectedArrM);
}
- (NSMutableArray*)selectIndexs{
if (_selectIndexs == nil) {
_selectIndexs = [NSMutableArray array];
}
return _selectIndexs;
}
@end
