#import "RootTableViewController.h"
@interface RootTableViewController ()
{
UITableViewCellEditingStyle _style;
}
@property(nonatomic,strong)NSMutableArray *array;
@end
@implementation RootTableViewController
- (id)initWithStyle:(UITableViewStyle)style
{
self = [super initWithStyle:style];
if (self) {
// Custom initialization
self.array=[NSMutableArray array];
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
//在数组里存一些数据
for (int i=0; i<3; i++) {
NSMutableArray *tempArray=[NSMutableArray array];
for (int j=0; j<5; j++) {
[tempArray addObject:[NSString stringWithFormat:@"第%d组,第%d个人",i,j]];
}
[self.array addObject:tempArray];
}
// 设置代理
self.tableView.dataSource=self;
self.tableView.delegate=self;
//在导航栏两侧添加两个barbutton
UIBarButtonItem *bar=[[UIBarButtonItem alloc] initWithTitle:@"编辑" style:(UIBarButtonItemStyleDone) target:self action:@selector(barAction:)];
self.navigationItem.leftBarButtonItem=bar;
UIBarButtonItem *bar1=[[UIBarButtonItem alloc] initWithTitle:@"添加" style:(UIBarButtonItemStyleDone) target:self action:@selector(barAction1:)];
self.navigationItem.rightBarButtonItem=bar1;
}
//barbutton编辑事件
-(void)barAction:(UIBarButtonItem *)sender
{
_style=UITableViewCellEditingStyleDelete;
BOOL flag=self.tableView.editing;
[self.tableView setEditing:!flag animated:YES];
}
//barbutton添加事件
-(void)barAction1:(UIBarButtonItem *)sender
{
_style=UITableViewCellEditingStyleInsert;
BOOL flag=self.tableView.editing;
[self.tableView setEditing:!flag animated:YES];
}
//设置哪些行能编辑(默认全部都能)
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
return YES;
}
//确定编辑状态(删除|添加)
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
return _style;
}
//提交编辑
-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
if(editingStyle==UITableViewCellEditingStyleDelete)
{
//删除
[self.array[indexPath.section]removeObjectAtIndex:indexPath.row];
[tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:(UITableViewRowAnimationLeft)];
}
else
{
//添加
NSString *s=@"测试数据";
[self.array[indexPath.section]insertObject:s atIndex:indexPath.row+1];
NSIndexPath *index=[NSIndexPath indexPathForRow:indexPath.row+1 inSection:indexPath.section];
[tableView insertRowsAtIndexPaths:@[index] withRowAnimation:(UITableViewRowAnimationRight)];
}
}
//哪些行能移动
-(BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
{
return YES;
}
//完成移动
-(void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath
{
//先赋值
id obj=self.array[sourceIndexPath.section][sourceIndexPath.row];
//再删除
[self.array[sourceIndexPath.section] removeObjectAtIndex:sourceIndexPath.row];
//最后添加
[self.array[destinationIndexPath.section]insertObject:obj atIndex:destinationIndexPath.section];
}
//检查越界
-(NSIndexPath *)tableView:(UITableView *)tableView targetIndexPathForMoveFromRowAtIndexPath:(NSIndexPath *)sourceIndexPath toProposedIndexPath:(NSIndexPath *)proposedDestinationIndexPath
{
if(sourceIndexPath.section!=proposedDestinationIndexPath.section)
{
return sourceIndexPath;
}
else
{
return proposedDestinationIndexPath;
}
}