JSJP_Manager/LNManager/Notify_SelectSchVC.m

//
//  Notify_SelectSchVC.m
//  LNManager
//
//  Created by EchoShacolee on 2017/6/21.
//  Copyright © 2017年 lee. All rights reserved.
//

#import "Notify_SelectSchVC.h"

@interface Notify_SelectSchVC ()
{
    NSMutableArray *_selectedIndexPathes;//记录选中的cell
    
    //
    UIView   * _btnView;
    UIButton *_notifyBtn;
    UIButton *_allBtn;
    UIButton *_cancelBtn;
}
@end

@implementation Notify_SelectSchVC

- (void)viewDidLoad {
    [super viewDidLoad];
    
    //实例化
    _selectedIndexPathes = [[NSMutableArray alloc] init];
    
    [self createSelectBtn];
}


#pragma mark 重写这个方法，清除已经选中
-(void)setDataArr:(NSMutableArray *)dataArr{
    [super setDataArr:dataArr];
    
    //dataArr更新后需要清楚已选择的
    for (NSIndexPath *indexPath in _selectedIndexPathes) {
        //使用代码方式取消选中一行
        [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
    }
    [_selectedIndexPathes removeAllObjects];
    
    
}

-(void)createSelectBtn{
    
    _btnView = [[UIView alloc]initWithFrame:CGRectMake(kSize.width-180, kSize.height-120-95, 180, 60)];
    [self.view addSubview:_btnView];
    
    _allBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    _allBtn.backgroundColor = [UIColor lightGrayColor];
    _allBtn.frame = CGRectMake(0, 0, 80, 30);
    [_allBtn setTitle:@"全选" forState:UIControlStateNormal];
    [_allBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    [_allBtn setTitleColor:COLOR_THEME forState:UIControlStateSelected];
    [_allBtn addTarget:self action:@selector(allClick:) forControlEvents:UIControlEventTouchUpInside];
    _allBtn.hidden = YES;
    [_btnView addSubview:_allBtn];
    
    _cancelBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    _cancelBtn.backgroundColor = [UIColor lightGrayColor];
    _cancelBtn.frame = CGRectMake(0, 40, 80, 30);
    [_cancelBtn setTitle:@"取消" forState:UIControlStateNormal];
    [_cancelBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    [_cancelBtn addTarget:self action:@selector(cancelClick:) forControlEvents:UIControlEventTouchUpInside];
    _cancelBtn.hidden = YES;
    [_btnView addSubview:_cancelBtn];
    
    _notifyBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    _notifyBtn.backgroundColor = COLOR_THEME;
    _notifyBtn.frame = CGRectMake(100, 5, 60, 60);
    [_notifyBtn setTitle:@"选择\n驾校" forState:UIControlStateNormal];
    [_notifyBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    _notifyBtn.titleLabel.numberOfLines = 0;
    _notifyBtn.layer.masksToBounds = YES;
    _notifyBtn.layer.cornerRadius = 30;
    [_notifyBtn addTarget:self action:@selector(notifiBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    
    [_btnView addSubview:_notifyBtn];
    
}

-(void)allClick:(UIButton *)button{
    
    button.selected = !button.selected;
    if (button.selected == YES) {
       //获取表格视图内容的尺寸
        CGSize size = self.tableView.contentSize;
        CGRect rect = CGRectMake(0, 0, size.width, size.height);
        //获取指定区域的cell的indexPath
        NSArray *indexPathes = [self.tableView indexPathsForRowsInRect:rect];
        NSMutableArray * allIndexPath = [NSMutableArray arrayWithArray:indexPathes];
        _selectedIndexPathes = allIndexPath;
        for (NSIndexPath *indexPath in _selectedIndexPathes) {
            //使用代码方式选中一行
            [self.tableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
        }
    }else{
        
        for (NSIndexPath *indexPath in _selectedIndexPathes) {
            //使用代码方式取消选中
            [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
        }
        [_selectedIndexPathes removeAllObjects];
    }
    
}


- (void)cancelClick:(UIButton *)sender {
    
    [self.tableView setEditing:NO];
    _allBtn.hidden = YES;
    _allBtn.selected = NO;
    _cancelBtn.hidden = YES;
    [_notifyBtn setTitle:@"选择\n驾校" forState:UIControlStateNormal];
    
    //清空选中cell的记录数组
    [_selectedIndexPathes removeAllObjects];
    
}

-(void)notifiBtnClick:(UIButton *)sender{
    
    [_notifyBtn setTitle:@"完成" forState:UIControlStateNormal];
    if (self.tableView.editing == NO) {
        [self.tableView setEditing:YES];
        _allBtn.hidden = NO;
        _cancelBtn.hidden = NO;
        return;
    }
    
    NSMutableArray * allId = [NSMutableArray new];
    for (NSIndexPath *indexPath in _selectedIndexPathes) {
        [allId addObject:_dataSource[indexPath.section][indexPath.row][@"TSI_INSCODE"]];
    }
    if (allId.count > 0) {
        [self sendNotifyWithIds:allId];
    }else{
        [self showMsgByAlertVCWithString:@"请选择驾校"];
    }
}

-(void)sendNotifyWithIds:(NSMutableArray *)ids{
    
    if (self.blcok) {
        self.blcok(ids);
    }
}


#pragma mark - table view delegate
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
    return UITableViewCellEditingStyleInsert |UITableViewCellEditingStyleDelete;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    if (self.tableView.isEditing) {
        //当选中cell时，记录其indexPath
        if (![_selectedIndexPathes containsObject:indexPath]) {
            [_selectedIndexPathes addObject:indexPath];
            
        }
        return;
    }
    [self showMsgByAlertVCWithString:@"点击右下角图标可选择驾校发送通知"];
}

- (void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath {
    //当取消选中cell时，从记录的数组中删除其indexPath
    
    if ([_selectedIndexPathes containsObject:indexPath] && self.tableView.isEditing) {
        [_selectedIndexPathes removeObject:indexPath];
        
    }
}

- (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