- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
}
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
NSArray *array1 = [NSArray arrayWithObjects:@"美国", @"法国", nil];
NSArray *array2 = [NSArray arrayWithObjects:@"中国", @"韩国", nil];
NSArray *array3 = [NSArray arrayWithObjects:@"日本", @"朝鲜", @"阿联酋", nil];
self.arr = [NSMutableArray arrayWithObjects:array1, array2, array3, nil];
self.TBV = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, self.view.bounds.size.height - 14) style:UITableViewStyleGrouped];
self.TBV.delegate = self;
self.TBV.dataSource = self;
[self.view addSubview:self.TBV];
[self.TBV release];
//设置一个右边的编辑按钮(系统已经初始化好的)
self.navigationItem.rightBarButtonItem = self.editButtonItem;
}
- (void)setEditing:(BOOL)editing animated:(BOOL)animated{
[super setEditing:editing animated:animated];
[self.TBV setEditing:editing animated:animated];
}
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
return YES;
}
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.section == 2) {
return UITableViewCellEditingStyleInsert;
}
return UITableViewCellEditingStyleDelete;
}
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!编辑的实现
-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
if (editingStyle == UITableViewCellEditingStyleDelete) {
//数据操作
NSMutableArray *array = [NSMutableArray arrayWithObject:[_arr objectAtIndex:indexPath.section]];
//数据删除
[self.arr removeObjectAtIndex:indexPath.row];
[_arr replaceObjectAtIndex:indexPath.section withObject:array];
//cell 的操作
[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath, nil] withRowAnimation:UITableViewRowAnimationLeft];
}
if (editingStyle == UITableViewCellEditingStyleInsert) {
}
}
////数据操作
//NSMutableArray *array = [NSMutableArray arrayWithObject:[_arr objectAtIndex:indexPath.section]];
////数据删除
//[self.arr removeObjectAtIndex:indexPath.row];
//[_arr replaceObjectAtIndex:indexPath.section withObject:array];
//
////cell 的操作
//[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath, nil] withRowAnimation:UITableViewRowAnimationLeft];
//}
//- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
//{
// NSLog(@"编辑开始");
// // 先判断当前的编辑模式
// if (editingStyle == UITableViewCellEditingStyleDelete) {
// // 先把数组里的对象删除掉
// [self.arr removeObjectAtIndex:indexPath.row];
// // 第一种方式
// // [self.tableView reloadData];
// // 第二种方式
// [self.TBV deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationLeft];
// }
//}
//有几个section
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return [_arr count];
}
//每个section上有几行
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [[_arr objectAtIndex:section] count];
}
//每个section上的内容
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//重用标识
static NSString *reuse = @"reuse";
//从重用队列里面取
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuse];
//若没有,初始化
if (!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuse];
cell.textLabel.text = [[_arr objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
}
return cell;
}
