iOS UI 07 uitableviewi3
2015-12-13 16:05
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//
// RootViewController.m
// ui - 09 通讯录
//
// Created by dllo on 15/11/19.
// Copyright (c) 2015年 dllo. All rights reserved.
//
#import "RootViewController.h"
#import "Contact.h"
@interface
RootViewController () <UITableViewDelegate ,
UITableViewDataSource>
@property (nonatomic,
retain) NSMutableDictionary *contactDic;
@property (nonatomic,
retain) UITableView *tablev;
@end
@implementation RootViewController
- (void)dealloc
{
[_contactDic
release];
[super dealloc];
}
- (void)viewDidLoad {
[super
viewDidLoad];
self.view.backgroundColor = [UIColor
whiteColor];
self.navigationItem.title =
@"通讯录";
[self getData];
self.tablev = [[UITableView
alloc]initWithFrame:self.view.frame
style:UITableViewStylePlain];
self.tablev.delegate =
self;
self.tablev.dataSource =
self;
[self.view
addSubview:self.tablev];
[_tablev
release];
#warning 编辑 -
添加编辑键
self.navigationItem.rightBarButtonItem =
self.editButtonItem;
// Do any additional setup after loading the view.
}
#warning 编辑2 -
让tableview处于编辑状态
- (void)setEditing:(BOOL)editing animated:(BOOL)animated
{
[super setEditing:editing
animated:animated];
//当点击编辑的时候table也进入编辑状态
[self.tablev
setEditing:editing
animated:animated];
}
#warning 编辑3
指定tableview哪些行可以编辑
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
return
YES;
}
#warning 编辑4 -
指定tableview编辑的样式(添加,
删除)
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.section < 4) {
return
UITableViewCellEditingStyleDelete;
} else {
return
UITableViewCellEditingStyleInsert;
}
}
#warning 编辑5
编辑完成(先操作数据源,再修改UI)
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath
*)indexPath
{
NSString *key = [self.contactDic.allKeys
objectAtIndex:indexPath.section];
NSMutableArray *Arr = [self.contactDic
objectForKey:key];
//删除操作
if (UITableViewCellEditingStyleDelete == editingStyle) {
//先删数据
[Arr removeObjectAtIndex:indexPath.row];
//再改UI
//局部修改 -
只修改指定行
// [self.tablev deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationLeft];
//全局修改 -
重新加载一遍
[self.tablev
reloadData];
}
if (UITableViewCellEditingStyleInsert == editingStyle) {
//先改数据
Contact *cta = [[Contact
alloc]init];
cta.name =
@"王宁";
cta.gender =
@"男";
cta.phoneNumber =
@"54765735";
cta.age =
@"23";
cta.hobby=
@"qingchung";
[Arr insertObject:cta
atIndex:indexPath.row];
[cta release];
//再改ui
[self.tablev
insertRowsAtIndexPaths:[NSArray
arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationRight];
}
}
#warning 移动1 -参照编辑的添加编辑键
#warning 移动 2 -
参照编辑的让tableview处于编辑状态
#warning 移动3 -
指定table哪些行可以移动
- (bool)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
{
return
YES;
}
#warning 移动4
移动完成 (移动功能的逻辑)
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath
*)destinationIndexPath
{
NSString *key = [self.contactDic.allKeys
objectAtIndex:sourceIndexPath.section];
NSMutableArray *Arr = [self.contactDic
objectForKey:key];
//根据原地址找到待操作的contact对象
//注意,
手动进行引用计数加1的操作,
防止从数组数组移除后因为计数减1引起空间释放
Contact *contact = [[Arr
objectAtIndex:sourceIndexPath.row]
retain];
[Arr removeObjectAtIndex:sourceIndexPath.row];
//找到移动的目的地
NSString *key2 = [self.contactDic.allKeys
objectAtIndex:destinationIndexPath.section];
NSMutableArray *Arr2 = [self.contactDic
objectForKey:key2];
[Arr2 insertObject:contact
atIndex:destinationIndexPath.row];
//不要忘记release
对应手动retain
[contact release];
//再改ui -
注意应用局部改变时要注意原来的位置是否还有数据
// [self.tablev moveRowAtIndexPath:sourceIndexPath toIndexPath:destinationIndexPath]
[self.tablev
reloadData];
}
#warning 移动5
检测移动过程 实现限制跨区移动
- (NSIndexPath *)tableView:(UITableView *)tableView targetIndexPathForMoveFromRowAtIndexPath:(NSIndexPath *)sourceIndexPath toProposedIndexPath:(NSIndexPath
*)proposedDestinationIndexPath
{
//若目的区与原区不同,则返回原地址不允许移动
if (sourceIndexPath.section != proposedDestinationIndexPath.section) {
return sourceIndexPath;
} else {
return proposedDestinationIndexPath;
}
}
- (void)getData
{
self.contactDic = [NSMutableDictionary
dictionary];
NSString *filepath = [[NSBundle
mainBundle] pathForResource:@"contact"
ofType:@"plist"];
NSMutableDictionary *dic = [NSMutableDictionary
dictionaryWithContentsOfFile:filepath];
for (NSString *key
in dic) {
NSMutableArray *Arr = [NSMutableArray
array];
for (NSMutableDictionary *temp
in [dic objectForKey:key]) {
Contact *contact = [[Contact
alloc]init];
// contact.name = [temp objectForKey:@"name"];
// contact.gender = [temp objectForKey:@"gender"];
// contact.age = [temp objectForKey:@"age"];
// contact.phoneNumber = [temp objectForKey:@"phoneNumber"];
// contact.hobby = [temp objectForKey:@"hobby"];
// contact.picture = [temp objectForKey:@"picture"];
//上面的这这一大段可以用一句话代替
[contact setValuesForKeysWithDictionary:temp];
[Arr addObject:contact];
[contact release];
}
[self.contactDic
setObject:Arr forKey:key];
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 100;
}
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
return [self.contactDic.allKeys
objectAtIndex:section];
}
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return
self.contactDic.allKeys.count;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
NSString *key = [self.contactDic.allKeys objectAtIndex:section];
NSMutableArray *Arr = [self.contactDic objectForKey:key];
return Arr.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *cellstr = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellstr];
if (nil == cell) {
cell = [[[UITableViewCell alloc]initWithStyle: UITableViewCellStyleSubtitle reuseIdentifier:cellstr] autorelease];
}
NSString *key = [self.contactDic.allKeys objectAtIndex:indexPath.section];
NSMutableArray *arr = [self.contactDic objectForKey:key];
Contact *contact = [arr objectAtIndex:indexPath.row];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
cell.textLabel.text = contact.name;
cell.detailTextLabel.text = contact.phoneNumber;
return cell;
}
- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
{
return self.contactDic.allKeys;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *key = [self.contactDic.allKeys objectAtIndex:indexPath.section];
NSMutableArray *Arr = [self.contactDic objectForKey:key];
Contact *contact = [Arr objectAtIndex:indexPath.row];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
// RootViewController.m
// ui - 09 通讯录
//
// Created by dllo on 15/11/19.
// Copyright (c) 2015年 dllo. All rights reserved.
//
#import "RootViewController.h"
#import "Contact.h"
@interface
RootViewController () <UITableViewDelegate ,
UITableViewDataSource>
@property (nonatomic,
retain) NSMutableDictionary *contactDic;
@property (nonatomic,
retain) UITableView *tablev;
@end
@implementation RootViewController
- (void)dealloc
{
[_contactDic
release];
[super dealloc];
}
- (void)viewDidLoad {
[super
viewDidLoad];
self.view.backgroundColor = [UIColor
whiteColor];
self.navigationItem.title =
@"通讯录";
[self getData];
self.tablev = [[UITableView
alloc]initWithFrame:self.view.frame
style:UITableViewStylePlain];
self.tablev.delegate =
self;
self.tablev.dataSource =
self;
[self.view
addSubview:self.tablev];
[_tablev
release];
#warning 编辑 -
添加编辑键
self.navigationItem.rightBarButtonItem =
self.editButtonItem;
// Do any additional setup after loading the view.
}
#warning 编辑2 -
让tableview处于编辑状态
- (void)setEditing:(BOOL)editing animated:(BOOL)animated
{
[super setEditing:editing
animated:animated];
//当点击编辑的时候table也进入编辑状态
[self.tablev
setEditing:editing
animated:animated];
}
#warning 编辑3
指定tableview哪些行可以编辑
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
return
YES;
}
#warning 编辑4 -
指定tableview编辑的样式(添加,
删除)
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.section < 4) {
return
UITableViewCellEditingStyleDelete;
} else {
return
UITableViewCellEditingStyleInsert;
}
}
#warning 编辑5
编辑完成(先操作数据源,再修改UI)
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath
*)indexPath
{
NSString *key = [self.contactDic.allKeys
objectAtIndex:indexPath.section];
NSMutableArray *Arr = [self.contactDic
objectForKey:key];
//删除操作
if (UITableViewCellEditingStyleDelete == editingStyle) {
//先删数据
[Arr removeObjectAtIndex:indexPath.row];
//再改UI
//局部修改 -
只修改指定行
// [self.tablev deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationLeft];
//全局修改 -
重新加载一遍
[self.tablev
reloadData];
}
if (UITableViewCellEditingStyleInsert == editingStyle) {
//先改数据
Contact *cta = [[Contact
alloc]init];
cta.name =
@"王宁";
cta.gender =
@"男";
cta.phoneNumber =
@"54765735";
cta.age =
@"23";
cta.hobby=
@"qingchung";
[Arr insertObject:cta
atIndex:indexPath.row];
[cta release];
//再改ui
[self.tablev
insertRowsAtIndexPaths:[NSArray
arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationRight];
}
}
#warning 移动1 -参照编辑的添加编辑键
#warning 移动 2 -
参照编辑的让tableview处于编辑状态
#warning 移动3 -
指定table哪些行可以移动
- (bool)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
{
return
YES;
}
#warning 移动4
移动完成 (移动功能的逻辑)
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath
*)destinationIndexPath
{
NSString *key = [self.contactDic.allKeys
objectAtIndex:sourceIndexPath.section];
NSMutableArray *Arr = [self.contactDic
objectForKey:key];
//根据原地址找到待操作的contact对象
//注意,
手动进行引用计数加1的操作,
防止从数组数组移除后因为计数减1引起空间释放
Contact *contact = [[Arr
objectAtIndex:sourceIndexPath.row]
retain];
[Arr removeObjectAtIndex:sourceIndexPath.row];
//找到移动的目的地
NSString *key2 = [self.contactDic.allKeys
objectAtIndex:destinationIndexPath.section];
NSMutableArray *Arr2 = [self.contactDic
objectForKey:key2];
[Arr2 insertObject:contact
atIndex:destinationIndexPath.row];
//不要忘记release
对应手动retain
[contact release];
//再改ui -
注意应用局部改变时要注意原来的位置是否还有数据
// [self.tablev moveRowAtIndexPath:sourceIndexPath toIndexPath:destinationIndexPath]
[self.tablev
reloadData];
}
#warning 移动5
检测移动过程 实现限制跨区移动
- (NSIndexPath *)tableView:(UITableView *)tableView targetIndexPathForMoveFromRowAtIndexPath:(NSIndexPath *)sourceIndexPath toProposedIndexPath:(NSIndexPath
*)proposedDestinationIndexPath
{
//若目的区与原区不同,则返回原地址不允许移动
if (sourceIndexPath.section != proposedDestinationIndexPath.section) {
return sourceIndexPath;
} else {
return proposedDestinationIndexPath;
}
}
- (void)getData
{
self.contactDic = [NSMutableDictionary
dictionary];
NSString *filepath = [[NSBundle
mainBundle] pathForResource:@"contact"
ofType:@"plist"];
NSMutableDictionary *dic = [NSMutableDictionary
dictionaryWithContentsOfFile:filepath];
for (NSString *key
in dic) {
NSMutableArray *Arr = [NSMutableArray
array];
for (NSMutableDictionary *temp
in [dic objectForKey:key]) {
Contact *contact = [[Contact
alloc]init];
// contact.name = [temp objectForKey:@"name"];
// contact.gender = [temp objectForKey:@"gender"];
// contact.age = [temp objectForKey:@"age"];
// contact.phoneNumber = [temp objectForKey:@"phoneNumber"];
// contact.hobby = [temp objectForKey:@"hobby"];
// contact.picture = [temp objectForKey:@"picture"];
//上面的这这一大段可以用一句话代替
[contact setValuesForKeysWithDictionary:temp];
[Arr addObject:contact];
[contact release];
}
[self.contactDic
setObject:Arr forKey:key];
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 100;
}
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
return [self.contactDic.allKeys
objectAtIndex:section];
}
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return
self.contactDic.allKeys.count;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
NSString *key = [self.contactDic.allKeys objectAtIndex:section];
NSMutableArray *Arr = [self.contactDic objectForKey:key];
return Arr.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *cellstr = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellstr];
if (nil == cell) {
cell = [[[UITableViewCell alloc]initWithStyle: UITableViewCellStyleSubtitle reuseIdentifier:cellstr] autorelease];
}
NSString *key = [self.contactDic.allKeys objectAtIndex:indexPath.section];
NSMutableArray *arr = [self.contactDic objectForKey:key];
Contact *contact = [arr objectAtIndex:indexPath.row];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
cell.textLabel.text = contact.name;
cell.detailTextLabel.text = contact.phoneNumber;
return cell;
}
- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
{
return self.contactDic.allKeys;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *key = [self.contactDic.allKeys objectAtIndex:indexPath.section];
NSMutableArray *Arr = [self.contactDic objectForKey:key];
Contact *contact = [Arr objectAtIndex:indexPath.row];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
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