UI2_UITableViewDelete

//  AppDelegate.m
//  UI2_UITableViewDelete
//
//  Created by zhangxueming on 15/7/14.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import "AppDelegate.h"
#import "ViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
ViewController *root = [[ViewController alloc] init];
UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:root];
self.window.rootViewController = nav;
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];

return YES;
}

//
//  ViewController.h
//  UI2_UITableViewDelete
//
//  Created by zhangxueming on 15/7/14.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController <UITableViewDataSource, UITableViewDelegate>

@end

//
//  ViewController.m
//  UI2_UITableViewDelete
//
//  Created by zhangxueming on 15/7/14.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
{
UITableView *_tableView;
NSMutableArray *_dataList;
}

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
_tableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStylePlain];
[self.view addSubview:_tableView];

//创建数据源
_dataList = [NSMutableArray array];

NSMutableArray *boys = [NSMutableArray array];
for (int i=0; i<10; i++) {
NSString *name = [NSString stringWithFormat:@"boy%d", i];
[boys addObject:name];
}
[_dataList addObject:boys];

NSMutableArray *grils = [NSMutableArray array];
for (int i=0; i<15; i++) {
NSString *name = [NSString stringWithFormat:@"gril%d", i];
[grils addObject:name];
}
[_dataList addObject:grils];

_tableView.delegate = self;
_tableView.dataSource = self;

//编辑状态
self.navigationItem.leftBarButtonItem = self.editButtonItem;
}

//设置表示图到编辑状态

- (void)setEditing:(BOOL)editing animated:(BOOL)animated
{
[super setEditing:editing animated:animated];
//让tableView处在编辑状态
[_tableView setEditing:editing animated:YES];
}

#pragma mark ---UITableViewDataSource---
//返回分区的行数
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [[_dataList objectAtIndex:section] count];
}

//返回分区的个数
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return _dataList.count;
}

//创建UITableViewCell

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *reuseIdentifier = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
if (!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:reuseIdentifier];
}
NSArray *array = [_dataList objectAtIndex:indexPath.section];
cell.textLabel.text = [array objectAtIndex:indexPath.row];
cell.detailTextLabel.text = [NSString stringWithFormat:@"age:%d",arc4random()%40+10];
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
cell.selectionStyle = UITableViewCellSelectionStyleGray;
return cell;
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
if (section==0) {
return @"男孩";
}
return @"女孩";
}

#pragma mark ---删除插入---

//设置tableViewCell的删除按钮标题
- (NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath
{
return @"删除";
}

//设置tableViewCell编辑状态风格
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
//return UITableViewCellEditingStyleDelete;
return UITableViewCellEditingStyleInsert;
}

//执行插入,删除的动作
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
if(editingStyle == UITableViewCellEditingStyleDelete)
{//删除
[[_dataList objectAtIndex:indexPath.section] removeObjectAtIndex:indexPath.row];
//[_tableView reloadData];
[_tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
}
if (editingStyle == UITableViewCellEditingStyleInsert)
{//插入

[[_dataList objectAtIndex:indexPath.section] insertObject:@"new" atIndex:indexPath.row];
//[_tableView reloadData];
[_tableView insertRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
}
}

//移动
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
{
return YES;
}

//移动tableViewCell , 该方法必须实现
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath
{
NSLog(@"--------");
}

- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

@end