Cell点击展开收缩
1：自定义headerView
.h文件
//
// MyHeaderView.h
// GPS_Clock_Offline
//
// Created by aslan on 16/4/13.
// Copyright © 2016年 aslan. All rights reserved.
//
#import <UIKit/UIKit.h>
@class MyHeaderView;
@protocol MyHeaderViewDelegate <NSObject>
@optional
- (void)headerView :(MyHeaderView *)headerView section :(NSInteger)section expanded:(BOOL)expanded;
@end
@interface MyHeaderView : UIView <UIGestureRecognizerDelegate>
//是不是出于点击状态
@property (nonatomic,assign,readwrite)BOOL expanded;
//处于哪一个组
@property (nonatomic,assign)NSInteger section;
//单击手势
@property (nonatomic,strong)UITapGestureRecognizer * singleTapGestureRecognizer;
- (id)initWithFrame:(CGRect)frame expanded:(BOOL) expanded;
//引入代理
@property (nonatomic,strong)id<MyHeaderViewDelegate> delegate;
@end
.m文件
//
// MyHeaderView.m
// GPS_Clock_Offline
//
// Created by aslan on 16/4/13.
// Copyright © 2016年 aslan. All rights reserved.
//
#import "MyHeaderView.h"
@implementation MyHeaderView
- (id)initWithFrame:(CGRect)frame expanded:(BOOL)expanded
{
if (self = [super initWithFrame:frame]) {
self.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.backgroundColor = [UIColor lightGrayColor];
self.expanded = expanded;
//设置单击手势操作
[self setupTapGestureRecognizer];
}
return self;
}
- (void)setupTapGestureRecognizer
{
self.singleTapGestureRecognizer = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(singleTapGesture:)];
self.singleTapGestureRecognizer.delegate = self;
[self addGestureRecognizer:self.singleTapGestureRecognizer];
}
//响应单击手势
- (void)singleTapGesture:(UITapGestureRecognizer *)tap
{
//更新数据
self.expanded = !self.expanded;
//通知代理
if (self.delegate != nil && [self.delegate respondsToSelector:@selector((headerView:section:expanded:))]) {
[self.delegate headerView:self section:self.section expanded:self.expanded];
}
}
@end
2：被点击的cell显示出来的是它的headerView。
//
// OfflineViewController.m
// GPS_Clock_Offline
//
// Created by aslan on 16/4/10.
// Copyright © 2016年 aslan. All rights reserved.
//
#import "OfflineViewController.h"
#import "MyHeaderView.h"
@interface OfflineViewController () <UISearchBarDelegate,UITableViewDelegate,UITableViewDataSource,MyHeaderViewDelegate>
/*创建一个搜索栏*/
@property (nonatomic,strong)UISearchBar * searchBar;
/*创建一个tableView*/
@property (strong, nonatomic) UITableView *tableView;
@property (nonatomic,assign)BOOL isExpend;
@property (nonatomic,assign)char * expandedSections;
@end
@implementation OfflineViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.isExpend = NO;
_expandedSections = (char *)malloc(10 * sizeof(char));
memset(_expandedSections, 0, (10)* sizeof(char));
[self initSearchBar];
[self initTableView];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)viewWillAppear:(BOOL)animated
{
}
#pragma mark 实现MyHeaderViewDelegate
- (void)headerView:(MyHeaderView *)headerView section:(NSInteger)section expanded:(BOOL)expanded
{
NSLog(@"section = %ld",section);
// self.isExpend = YES;
_expandedSections[section] = expanded;
[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:section] withRowAnimation:UITableViewRowAnimationNone];
}
#pragma mark初始化 搜索栏
- (void)initSearchBar
{
_searchBar = [[UISearchBar alloc] initWithFrame:CGRectZero];
_searchBar.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
_searchBar.barStyle = UIBarStyleBlack;
_searchBar.delegate = self;
_searchBar.placeholder = @"请输入要搜索的地址";
_searchBar.keyboardType = UIKeyboardTypeDefault;
//添加搜索栏到NavigationItem的titleView上面
self.navigationItem.titleView = self.searchBar;
[self.searchBar sizeToFit];
}
#pragma mark 搜索栏的代理
/*使用这个就可以实现点击搜索栏时，跳转到另一个界面，然后返回这个界面是，搜索栏不是出于搜索编辑状态*/
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar
{
// NSLog(@"start Edit");
// self.isExpend = YES;
// [self.tableView reloadSections:[NSIndexSet indexSetWithIndex:2] withRowAnimation:UITableViewRowAnimationNone];
return NO;
}
- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar
{
}
#pragma mark 初始化tableView
- (void)initTableView
{
_tableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.view.bounds), CGRectGetHeight(self.view.bounds))];
[self.view addSubview:_tableView];
_tableView.dataSource = self;
_tableView.delegate = self;
}
#pragma mark tableView的代理
#pragma mark - 数据源设置
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
/*
NSString * indetify=@"cell";
UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:indetify];
if (cell==nil) {
cell=[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:indetify];
}
cell.textLabel.text=[dataArray objectAtIndex:indexPath.row];
cell.accessoryType=UITableViewCellAccessoryCheckmark;//添加附加的样子
return cell;
*/
NSString * reusedId = @"address";
//1.创建cell
UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier:reusedId];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reusedId];
}
//2.给cell赋值
cell.textLabel.text = @"hello";
// cell.detailTextLabel.text =tip.district;
//3.返回cell
return cell;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
NSInteger number = 0;
switch (section) {
case 0:
if (_expandedSections[section] == YES)
number = 2;
break;
case 1:
if (_expandedSections[section] == YES)
number = 3;
break;
default:
if (_expandedSections[section] == YES)
number = 4;
break;
}
return number;
}
#pragma mark - tabelView的代理方法
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 60;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 3;
}
//设置titleHeader的高度
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
return 22.f;
}
//设置titleHeader的内容
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
// UIView *headerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.tableView.bounds), 20.f)];
// headerView.backgroundColor = [UIColor lightGrayColor];
//
// UILabel *lb = [[UILabel alloc] initWithFrame:CGRectMake(15.f, 0, CGRectGetWidth(headerView.bounds), CGRectGetHeight(headerView.bounds))];
// lb.backgroundColor = [UIColor redColor];
// lb.text = @"title";
// lb.textColor = [UIColor blackColor];
//
// [headerView addSubview:lb];
//
// return headerView;
MyHeaderView *headerView = [[MyHeaderView alloc] initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.tableView.bounds), 20.f) expanded:_expandedSections[section]];
headerView.section = section;
headerView.delegate = self;
UILabel *lb = [[UILabel alloc] initWithFrame:CGRectMake(15.f, 0, CGRectGetWidth(headerView.bounds), CGRectGetHeight(headerView.bounds))];
lb.backgroundColor = [UIColor redColor];
lb.text = @"title";
lb.textColor = [UIColor blackColor];
[headerView addSubview:lb];
return headerView;
}
@end
