iOS UI 11 单例

//

//  DataHandle.m

//  UI11_Contact

//

//  Created by dllo on 15/11/23.

//  Copyright (c) 2015年 dllo. All rights reserved.

//

#import "DataHandle.h"

#import "Hero.h"

@implementation DataHandle

//保证不同位置不同文件调用都访问同一块空间

+ (instancetype)shareData

{

    //static 编译

    //alloc 运行

    static DataHandle *dataH = nil;

    if (nil == dataH) {

        dataH = [[DataHandle alloc] init];

        [dataH getData];

        

    }

    return dataH;

}

- (void)getData

{

    NSString *filePath = [[NSBundle mainBundle] pathForResource:@"Hero" ofType:@"plist"];

    NSDictionary *dic = [NSDictionary dictionaryWithContentsOfFile:filePath];

    self.heroDic = [NSMutableDictionary dictionary];

    for (NSString *key in dic) {

        NSMutableArray *arr = [NSMutableArray array];

        for (NSDictionary *tempDic in [dic objectForKey:key]) {

            Hero *hero = [[Hero alloc] init];

            [hero setValuesForKeysWithDictionary:tempDic];

            [arr addObject:hero];

            [hero release];

        }

        [self.heroDic setObject:arr forKey:key];

    }

    

    self.keyArr = [NSMutableArray arrayWithArray:self.heroDic.allKeys];

    

    //    [self.keyArr sortUsingComparator:^NSComparisonResult(NSString *str1, NSString *str2) {

    //        return [str1 compare:str2];

    //    }];

    

#warning keyArr存的是字符串  可以直接用compare:

    [self.keyArr sortUsingSelector:@selector(compare:)];

}

@end

//

//  DataHandle.h

//  UI11_Contact

//

//  Created by dllo on 15/11/23.

//  Copyright (c) 2015年 dllo. All rights reserved.

//

#import <Foundation/Foundation.h>

@interface DataHandle : NSObject

+ (instancetype)shareData;

@property (nonatomic, retain) NSMutableDictionary *heroDic;

@property (nonatomic, retain) NSMutableArray *keyArr;

@end

//使用单例

//

//  ContactViewController.m

//  UI11_Contact

//

//  Created by dllo on 15/11/23.

//  Copyright (c) 2015年 dllo. All rights reserved.

//

#import "ContactViewController.h"

#import "Hero.h"

#import "AddViewController.h"

#import "ChineseToPinyin.h"

#import "DataHandle.h"

@interface ContactViewController () <UITableViewDelegate, UITableViewDataSource>

@property (nonatomic, retain) UITableView *tableV;

@end

@implementation ContactViewController

- (void)dealloc

{

    [_tableV release];

    [_tableV release];

    [super dealloc];

}

- (void)viewWillAppear:(BOOL)animated

{

    [super viewWillAppear:animated];

    [self.tableV reloadData];

}

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.view.backgroundColor = [UIColor whiteColor];

    

    self.navigationItem.title = @"通讯录";

    

    self.navigationItem.rightBarButtonItem = self.editButtonItem;

    

    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(leftAction:)];

    

   

    

    self.tableV = [[UITableView alloc] initWithFrame:self.view.frame];

    self.tableV.delegate = self;

    self.tableV.dataSource = self;

    self.tableV.separatorStyle = UITableViewCellSeparatorStyleNone;

    [self.view addSubview:self.tableV];

    [_tableV release];

    

    UIImageView *imageV = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 0, 100)];

    imageV.image = [UIImage imageNamed:@"1.png"];

    self.tableV.tableHeaderView = imageV;

    [imageV release];

}

- (void)leftAction:(UIBarButtonItem *)sender

{

    AddViewController *AddVC = [[AddViewController alloc] init];

    UINavigationController *AddNC = [[UINavigationController alloc] initWithRootViewController:AddVC];

  

    [self presentViewController:AddNC animated:YES completion:^{

        

    }];

    [AddNC release];

    [AddVC release];

}

/*****************************  移动  ****************************/

- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath

{

    return YES;

}

- (NSIndexPath *)tableView:(UITableView *)tableView targetIndexPathForMoveFromRowAtIndexPath:(NSIndexPath *)sourceIndexPath toProposedIndexPath:(NSIndexPath *)proposedDestinationIndexPath

{

    if (sourceIndexPath.section != proposedDestinationIndexPath.section) {

        return sourceIndexPath;

    } else {

        return proposedDestinationIndexPath;

    }

}

- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath

{

    NSString *key = [[DataHandle shareData].keyArr objectAtIndex:sourceIndexPath.section];

    NSMutableArray *arr = [[DataHandle shareData].heroDic objectForKeyedSubscript:key];

    Hero *hero = [[arr objectAtIndex:sourceIndexPath.row] retain];

    [arr removeObject:hero];

    

#warning 不跨区移动不用重新找key

    [arr insertObject:hero atIndex:destinationIndexPath.row];

    [hero release];

    

    [self.tableV moveRowAtIndexPath:sourceIndexPath toIndexPath:destinationIndexPath];

}

/*****************************  删除  ****************************/

- (void)setEditing:(BOOL)editing animated:(BOOL)animated

{

    [super setEditing:editing animated:animated];

    [self.tableV setEditing:editing animated:animated];

}

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath

{

    return YES;

}

- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath

{

    return UITableViewCellEditingStyleDelete;

}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath

{

    NSString *key = [[DataHandle shareData].keyArr objectAtIndex:indexPath.section];

    NSMutableArray *arr = [[DataHandle shareData].heroDic objectForKey:key];

    Hero *hero = [arr objectAtIndex:indexPath.row];

    

#warning 规范 - 判断一下编辑类型

    if (UITableViewCellEditingStyleDelete == editingStyle) {

        if (arr.count > 1) {

        [arr removeObject:hero];

        [self.tableV deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationLeft];

    } else {

        [[DataHandle shareData].heroDic removeObjectForKey:key];

        [[DataHandle shareData].keyArr removeObject:key];

        [self.tableV deleteSections:[NSIndexSet indexSetWithIndex:indexPath.section] withRowAnimation:UITableViewRowAnimationMiddle];

    }

    }

}

/*****************************  铺界面  ****************************/

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

    return 60;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    NSString *key = [[DataHandle shareData].keyArr objectAtIndex:section];

    NSMutableArray *arr = [[DataHandle shareData].heroDic objectForKey:key];

    return arr.count;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    static NSString *cellStr = @"cell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellStr];

    if (!cell) {

        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellStr] autorelease];

    }

    NSString *key = [[DataHandle shareData].keyArr objectAtIndex:indexPath.section];

    NSMutableArray *arr = [[DataHandle shareData].heroDic objectForKey:key];

    Hero *hero = [arr objectAtIndex:indexPath.row];

    

    cell.textLabel.text = hero.name;

    cell.detailTextLabel.text = hero.phone;

    cell.imageView.image = hero.headerImage;

    cell.selectionStyle = UITableViewCellSelectionStyleNone;

    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    return cell;

}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

//    return self.keyArr.count;

    return [DataHandle shareData].heroDic.count;

}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section

{

    return [[DataHandle shareData].keyArr objectAtIndex:section];

}

- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView

{

    return [DataHandle shareData].keyArr;

}

/*****************************  获取数据  ****************************/

- (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