xiaobawang/tongxin/xBase/View/cell/cell_wkd/城市cell/citysCell.m

//
//  citysCell.m
//  b
//
//  Created by kaidan on 2017/1/12.
//  Copyright © 2017年 kaidan. All rights reserved.
//
#import "Masonry.h"
#import "citysCell.h"
#import "CityModelData.h"
#import "MySingleton.h"   //单例类
#import <MJExtension.h>  // 数据转模型类
#import "CusDatePickerWithArea.h"    // pickView

#define changeDesc         @"changeDesc"
#define selectCityIndex    @"selectCityIndex"  // 选中城市的下标


#define screenWidthW  [[UIScreen mainScreen] bounds].size.width
#define screenHeightH [[UIScreen mainScreen] bounds].size.height


@interface citysCell (){
    CusDatePickerWithArea  *pickArea;   // PickView视图
}


/**
 *  城市模型数据
 */
@property (nonatomic,strong)CityModelData  *cityModel;

@property(nonatomic,strong)UIButton* clickBtn;

@property(nonatomic,strong)UILabel* titleLab;

@end



@implementation citysCell

-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
    
    if (self == [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        
        
        self.textLabel.text = @"选择城市";
        
        [self.clickBtn setTitleColor:[UIColor clearColor] forState:UIControlStateNormal];
        [self.clickBtn addTarget:self action:@selector(showCitys) forControlEvents:UIControlEventTouchUpInside];
        [self addSubview:self.clickBtn];
        
        [self.clickBtn mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.height.equalTo(self);
            make.width.mas_equalTo(self).multipliedBy(0.5);
            make.left.mas_equalTo(self.mas_centerX);
        }];
        
        self.titleLab = [[UILabel alloc] init];
        self.titleLab.text = @"广东省 广州市";
        self.titleLab.textAlignment = NSTextAlignmentLeft;
        [self.clickBtn addSubview:self.titleLab];
        
        [self.titleLab mas_makeConstraints:^(MASConstraintMaker *make) {
            make.height.left.top.equalTo(self.clickBtn);
            make.right.mas_equalTo(self.clickBtn).offset(-30);
        }];
        
        
    }
    return self;
}

-(UIButton *)clickBtn{
    if (!_clickBtn) {
        _clickBtn = [[UIButton alloc] init];
    }
    return _clickBtn;
}

-(CityModelData *)cityModel{
    if (_cityModel==nil) {
        MySingleton *mySing=[MySingleton shareMySingleton];
        if (mySing.cityModel) {
            _cityModel=mySing.cityModel;
        }
        else{
            NSString *jsonPath=[[NSBundle mainBundle]pathForResource:@"province_data.json" ofType:nil];
            NSData *jsonData=[[NSData alloc]initWithContentsOfFile:jsonPath];
            NSString *stringValue=[[NSString alloc]initWithData:jsonData encoding:NSUTF8StringEncoding];
            NSDictionary *dicValue=[mySing getObjectFromJsonString:stringValue];  // 将本地JSON数据转为对象
            _cityModel=[CityModelData mj_objectWithKeyValues:dicValue];
            mySing.cityModel=_cityModel;
        }
    }
    return _cityModel;
}

#pragma mark 上次选中的值
-(void)lastSelectValue{
    NSString *strLastSelectValue=[MySingleton getsaveLoacalField:changeDesc];  // 得到本地存储的上次选中的值
    if(strLastSelectValue.length>0){
        [self.clickBtn setTitle:strLastSelectValue forState:UIControlStateNormal];
    }
}


#pragma mark 添加pickView
-(void)addPickView{
    __weak typeof(self) lowSelf=self;
    pickArea=[[CusDatePickerWithArea alloc]initWithFrame:CGRectMake(0, 0, screenWidthW, screenHeightH) cityData:lowSelf.cityModel];
    NSString *stringSelectCityIndex=[MySingleton getsaveLoacalField:selectCityIndex]; // 得到上次保存的下标
    if (stringSelectCityIndex.length>0) {
        NSArray *arrIndex=[stringSelectCityIndex componentsSeparatedByString:@"-"];
        if (arrIndex.count==3) {
            [pickArea scrollToRow:[arrIndex[0] integerValue] secondRand:[arrIndex[1] integerValue] thirdRand:[arrIndex[2] integerValue]]; // 滚动到选择的位置
        }
    }
    else{
        [pickArea scrollToRow:23 secondRand:0 thirdRand:4];  // 没有选择的情况下,默认滚动到上海
    }
    UIWindow *myWindow=[[UIApplication sharedApplication]keyWindow];
    [myWindow addSubview:pickArea];
    pickArea.areaValue=^(NSString *value,NSString *indexString){  //Block回调传值
        lowSelf.titleLab.text = value;
        [MySingleton saveLoacalWithField:changeDesc value:value];           // 保存对应的数据和选中的下标
        [MySingleton saveLoacalWithField:selectCityIndex value:indexString];
        
    };
}

-(void)showCitys{
    
    [self addPickView];  // 添加选中视图
}


-(NSString *)cityStr{
    
    return self.titleLab.text;
}

@end