571 lines
22 KiB
Objective-C
Executable File
571 lines
22 KiB
Objective-C
Executable File
//
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// BRAddressPickerView.m
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// BRPickerViewDemo
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//
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// Created by 任波 on 2017/8/11.
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// Copyright © 2017年 91renb. All rights reserved.
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//
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// 最新代码下载地址：https://github.com/91renb/BRPickerView
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#import "BRAddressPickerView.h"
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#import "NSBundle+BRPickerView.h"
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@interface BRAddressPickerView ()<UIPickerViewDataSource, UIPickerViewDelegate>
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// 地址选择器
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@property (nonatomic, strong) UIPickerView *pickerView;
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// 省模型数组
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@property(nonatomic, copy) NSArray *provinceModelArr;
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// 市模型数组
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@property(nonatomic, copy) NSArray *cityModelArr;
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// 区模型数组
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@property(nonatomic, copy) NSArray *areaModelArr;
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// 选中的省
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@property(nonatomic, strong) BRProvinceModel *selectProvinceModel;
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// 选中的市
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@property(nonatomic, strong) BRCityModel *selectCityModel;
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// 选中的区
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@property(nonatomic, strong) BRAreaModel *selectAreaModel;
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// 记录省选中的位置
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@property(nonatomic, assign) NSInteger provinceIndex;
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// 记录市选中的位置
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@property(nonatomic, assign) NSInteger cityIndex;
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// 记录区选中的位置
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@property(nonatomic, assign) NSInteger areaIndex;
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@property (nonatomic, copy) NSArray <NSString *>* mSelectValues;
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@end
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@implementation BRAddressPickerView
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#pragma mark - 1.显示地址选择器
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+ (void)showAddressPickerWithSelectIndexs:(NSArray <NSNumber *>*)selectIndexs
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resultBlock:(BRAddressResultBlock)resultBlock {
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[self showAddressPickerWithMode:BRAddressPickerModeArea dataSource:nil selectIndexs:selectIndexs isAutoSelect:NO resultBlock:resultBlock];
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}
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#pragma mark - 2.显示地址选择器
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+ (void)showAddressPickerWithMode:(BRAddressPickerMode)mode
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selectIndexs:(NSArray <NSNumber *>*)selectIndexs
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isAutoSelect:(BOOL)isAutoSelect
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resultBlock:(BRAddressResultBlock)resultBlock {
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[self showAddressPickerWithMode:mode dataSource:nil selectIndexs:selectIndexs isAutoSelect:isAutoSelect resultBlock:resultBlock];
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}
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#pragma mark - 3.显示地址选择器
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+ (void)showAddressPickerWithMode:(BRAddressPickerMode)mode
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dataSource:(NSArray *)dataSource
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selectIndexs:(NSArray <NSNumber *>*)selectIndexs
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isAutoSelect:(BOOL)isAutoSelect
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resultBlock:(BRAddressResultBlock)resultBlock {
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// 创建地址选择器
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BRAddressPickerView *addressPickerView = [[BRAddressPickerView alloc] initWithPickerMode:mode];
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addressPickerView.dataSourceArr = dataSource;
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addressPickerView.selectIndexs = selectIndexs;
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addressPickerView.isAutoSelect = isAutoSelect;
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addressPickerView.resultBlock = resultBlock;
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// 显示
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[addressPickerView show];
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}
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#pragma mark - 初始化地址选择器
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- (instancetype)initWithPickerMode:(BRAddressPickerMode)pickerMode {
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if (self = [super init]) {
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self.pickerMode = pickerMode;
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}
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return self;
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}
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#pragma mark - 处理选择器数据
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- (void)handlerPickerData {
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if (self.dataSourceArr && self.dataSourceArr.count > 0) {
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id element = [self.dataSourceArr firstObject];
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// 如果传的值是解析好的模型数组
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if ([element isKindOfClass:[BRProvinceModel class]]) {
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self.provinceModelArr = self.dataSourceArr;
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} else {
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self.provinceModelArr = [self getProvinceModelArr:self.dataSourceArr];
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}
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} else {
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// 如果外部没有传入地区数据源，就使用本地的数据源
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NSArray *dataSource = [NSBundle br_addressJsonArray];
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if (!dataSource || dataSource.count == 0) {
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return;
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}
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self.dataSourceArr = dataSource;
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self.provinceModelArr = [self getProvinceModelArr:self.dataSourceArr];
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}
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// 设置默认值
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[self handlerDefaultSelectValue];
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}
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#pragma mark - 获取模型数组
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- (NSArray <BRProvinceModel *>*)getProvinceModelArr:(NSArray *)dataSourceArr {
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NSMutableArray *tempArr1 = [NSMutableArray array];
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for (NSDictionary *proviceDic in dataSourceArr) {
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BRProvinceModel *proviceModel = [[BRProvinceModel alloc]init];
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proviceModel.code = [proviceDic objectForKey:@"code"];
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proviceModel.name = [proviceDic objectForKey:@"name"];
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proviceModel.index = [dataSourceArr indexOfObject:proviceDic];
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NSArray *cityList = [proviceDic.allKeys containsObject:@"cityList"] ? [proviceDic objectForKey:@"cityList"] : [proviceDic objectForKey:@"citylist"];
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NSMutableArray *tempArr2 = [NSMutableArray array];
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for (NSDictionary *cityDic in cityList) {
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BRCityModel *cityModel = [[BRCityModel alloc]init];
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cityModel.code = [cityDic objectForKey:@"code"];
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cityModel.name = [cityDic objectForKey:@"name"];
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cityModel.index = [cityList indexOfObject:cityDic];
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NSArray *areaList = [cityDic.allKeys containsObject:@"areaList"] ? [cityDic objectForKey:@"areaList"] : [cityDic objectForKey:@"arealist"];
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NSMutableArray *tempArr3 = [NSMutableArray array];
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for (NSDictionary *areaDic in areaList) {
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BRAreaModel *areaModel = [[BRAreaModel alloc]init];
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areaModel.code = [areaDic objectForKey:@"code"];
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areaModel.name = [areaDic objectForKey:@"name"];
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areaModel.index = [areaList indexOfObject:areaDic];
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[tempArr3 addObject:areaModel];
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}
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cityModel.arealist = [tempArr3 copy];
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[tempArr2 addObject:cityModel];
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}
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proviceModel.citylist = [tempArr2 copy];
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[tempArr1 addObject:proviceModel];
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}
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return [tempArr1 copy];
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}
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#pragma mark - 设置默认选择的值
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- (void)handlerDefaultSelectValue {
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__block NSString *selectProvinceName = nil;
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__block NSString *selectCityName = nil;
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__block NSString *selectAreaName = nil;
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if (self.mSelectValues.count > 0) {
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selectProvinceName = self.mSelectValues.count > 0 ? self.mSelectValues[0] : nil;
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selectCityName = self.mSelectValues.count > 1 ? self.mSelectValues[1] : nil;
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selectAreaName = self.mSelectValues.count > 2 ? self.mSelectValues[2] : nil;
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}
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if (self.pickerMode == BRAddressPickerModeProvince || self.pickerMode == BRAddressPickerModeCity || self.pickerMode == BRAddressPickerModeArea) {
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if (self.selectIndexs.count > 0) {
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NSInteger provinceIndex = [self.selectIndexs[0] integerValue];
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self.provinceIndex = (provinceIndex > 0 && provinceIndex < self.provinceModelArr.count) ? provinceIndex : 0;
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self.selectProvinceModel = self.provinceModelArr.count > self.provinceIndex ? self.provinceModelArr[self.provinceIndex] : nil;
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} else {
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@weakify(self)
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[self.provinceModelArr enumerateObjectsUsingBlock:^(BRProvinceModel * _Nonnull model, NSUInteger idx, BOOL * _Nonnull stop) {
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@strongify(self)
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if (selectProvinceName && [model.name isEqualToString:selectProvinceName]) {
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self.provinceIndex = idx;
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self.selectProvinceModel = model;
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*stop = YES;
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}
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if (idx == self.provinceModelArr.count - 1) {
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self.provinceIndex = 0;
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self.selectProvinceModel = self.provinceModelArr.count > 0 ? self.provinceModelArr[0] : nil;
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}
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}];
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}
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}
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if (self.pickerMode == BRAddressPickerModeCity || self.pickerMode == BRAddressPickerModeArea) {
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self.cityModelArr = [self getCityModelArray:self.provinceIndex];
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if (self.selectIndexs.count > 0) {
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NSInteger cityIndex = self.selectIndexs.count > 1 ? [self.selectIndexs[1] integerValue] : 0;
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self.cityIndex = (cityIndex > 0 && cityIndex < self.cityModelArr.count) ? cityIndex : 0;
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self.selectCityModel = self.cityModelArr.count > self.cityIndex ? self.cityModelArr[self.cityIndex] : nil;
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} else {
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@weakify(self)
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[self.cityModelArr enumerateObjectsUsingBlock:^(BRCityModel * _Nonnull model, NSUInteger idx, BOOL * _Nonnull stop) {
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@strongify(self)
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if (selectCityName && [model.name isEqualToString:selectCityName]) {
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self.cityIndex = idx;
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self.selectCityModel = model;
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*stop = YES;
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}
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if (idx == self.cityModelArr.count - 1) {
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self.cityIndex = 0;
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self.selectCityModel = self.cityModelArr.count > 0 ? self.cityModelArr[0] : nil;
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}
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}];
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}
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}
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if (self.pickerMode == BRAddressPickerModeArea) {
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self.areaModelArr = [self getAreaModelArray:self.provinceIndex cityIndex:self.cityIndex];
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if (self.selectIndexs.count > 0) {
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NSInteger areaIndex = self.selectIndexs.count > 2 ? [self.selectIndexs[2] integerValue] : 0;
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self.areaIndex = (areaIndex > 0 && areaIndex < self.areaModelArr.count) ? areaIndex : 0;
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self.selectAreaModel = self.areaModelArr.count > self.areaIndex ? self.areaModelArr[self.areaIndex] : nil;
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} else {
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@weakify(self)
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[self.areaModelArr enumerateObjectsUsingBlock:^(BRAreaModel * _Nonnull model, NSUInteger idx, BOOL * _Nonnull stop) {
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@strongify(self)
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if (selectAreaName && [model.name isEqualToString:selectAreaName]) {
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self.areaIndex = idx;
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self.selectAreaModel = model;
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*stop = YES;
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}
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if (idx == self.areaModelArr.count - 1) {
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self.areaIndex = 0;
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self.selectAreaModel = self.areaModelArr.count > 0 ? self.areaModelArr[0] : nil;
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}
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}];
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}
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}
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// 注意必须先刷新UI，再设置默认滚动
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[self.pickerView reloadAllComponents];
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// 滚动到指定行
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if (self.pickerMode == BRAddressPickerModeProvince) {
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[self.pickerView selectRow:self.provinceIndex inComponent:0 animated:YES];
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} else if (self.pickerMode == BRAddressPickerModeCity) {
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[self.pickerView selectRow:self.provinceIndex inComponent:0 animated:YES];
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[self.pickerView selectRow:self.cityIndex inComponent:1 animated:YES];
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} else if (self.pickerMode == BRAddressPickerModeArea) {
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[self.pickerView selectRow:self.provinceIndex inComponent:0 animated:YES];
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[self.pickerView selectRow:self.cityIndex inComponent:1 animated:YES];
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[self.pickerView selectRow:self.areaIndex inComponent:2 animated:YES];
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}
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}
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// 根据 省索引 获取 城市模型数组
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- (NSArray *)getCityModelArray:(NSInteger)provinceIndex {
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BRProvinceModel *provinceModel = self.provinceModelArr[provinceIndex];
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// 返回城市模型数组
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return provinceModel.citylist;
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}
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// 根据 省索引和城市索引 获取 区域模型数组
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- (NSArray *)getAreaModelArray:(NSInteger)provinceIndex cityIndex:(NSInteger)cityIndex {
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BRProvinceModel *provinceModel = self.provinceModelArr[provinceIndex];
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if (provinceModel.citylist && provinceModel.citylist.count > 0) {
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BRCityModel *cityModel = provinceModel.citylist[cityIndex];
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// 返回地区模型数组
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return cityModel.arealist;
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} else {
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return nil;
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}
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}
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#pragma mark - 地址选择器
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- (UIPickerView *)pickerView {
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if (!_pickerView) {
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_pickerView = [[UIPickerView alloc]initWithFrame:CGRectMake(0, self.pickerStyle.titleBarHeight, SCREEN_WIDTH, self.pickerStyle.pickerHeight)];
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_pickerView.backgroundColor = self.pickerStyle.pickerColor;
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_pickerView.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth;
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_pickerView.dataSource = self;
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_pickerView.delegate = self;
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_pickerView.showsSelectionIndicator = YES;
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}
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return _pickerView;
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}
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#pragma mark - UIPickerViewDataSource
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// 1.指定pickerview有几个表盘(几列)
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- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
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switch (self.pickerMode) {
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case BRAddressPickerModeProvince:
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return 1;
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break;
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case BRAddressPickerModeCity:
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return 2;
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break;
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case BRAddressPickerModeArea:
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return 3;
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break;
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default:
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break;
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}
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}
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// 2.指定每个表盘上有几行数据
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- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
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if (component == 0) {
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// 返回省个数
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return self.provinceModelArr.count;
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}
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if (component == 1) {
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// 返回市个数
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return self.cityModelArr.count;
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}
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if (component == 2) {
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// 返回区个数
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return self.areaModelArr.count;
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}
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return 0;
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}
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#pragma mark - UIPickerViewDelegate
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// 3.设置 pickerView 的 显示内容
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- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(nullable UIView *)view {
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// 设置分割线的颜色
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for (UIView *subView in pickerView.subviews) {
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if (subView && [subView isKindOfClass:[UIView class]] && subView.frame.size.height <= 1) {
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subView.backgroundColor = self.pickerStyle.separatorColor;
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}
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}
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// 设置选中行的背景颜色
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NSArray *subviews = pickerView.subviews;
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if (subviews.count > 0) {
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NSArray *coloms = subviews.firstObject;
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if (coloms) {
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NSArray *subviewCache = [coloms valueForKey:@"subviewCache"];
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if (subviewCache.count > 0) {
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UIView *middleContainerView = [subviewCache.firstObject valueForKey:@"middleContainerView"];
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if (middleContainerView) {
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middleContainerView.backgroundColor = self.pickerStyle.selectedColor;
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}
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}
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}
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}
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UILabel *label = (UILabel *)view;
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if (!label) {
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label = [[UILabel alloc]init];
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label.backgroundColor = [UIColor clearColor];
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label.textAlignment = NSTextAlignmentCenter;
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label.font = self.pickerStyle.pickerTextFont;
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label.textColor = self.pickerStyle.pickerTextColor;
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// 字体自适应属性
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label.adjustsFontSizeToFitWidth = YES;
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// 自适应最小字体缩放比例
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label.minimumScaleFactor = 0.5f;
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}
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if (component == 0) {
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BRProvinceModel *model = self.provinceModelArr[row];
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label.text = model.name;
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} else if (component == 1) {
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BRCityModel *model = self.cityModelArr[row];
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label.text = model.name;
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} else if (component == 2) {
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BRAreaModel *model = self.areaModelArr[row];
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label.text = model.name;
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}
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return label;
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}
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// 4.选中时回调的委托方法，在此方法中实现省份和城市间的联动
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- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
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if (component == 0) { // 选择省
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// 保存选择的省份的索引
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self.provinceIndex = row;
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switch (self.pickerMode) {
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case BRAddressPickerModeProvince:
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{
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self.selectProvinceModel = self.provinceModelArr.count > self.provinceIndex ? self.provinceModelArr[self.provinceIndex] : nil;
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self.selectCityModel = nil;
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self.selectAreaModel = nil;
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}
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break;
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case BRAddressPickerModeCity:
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{
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self.cityModelArr = [self getCityModelArray:self.provinceIndex];
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[self.pickerView reloadComponent:1];
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[self.pickerView selectRow:0 inComponent:1 animated:YES];
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self.selectProvinceModel = self.provinceModelArr.count > self.provinceIndex ? self.provinceModelArr[self.provinceIndex] : nil;
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self.selectCityModel = self.cityModelArr.count > 0 ? self.cityModelArr[0] : nil;
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self.selectAreaModel = nil;
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}
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break;
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case BRAddressPickerModeArea:
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{
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self.cityModelArr = [self getCityModelArray:self.provinceIndex];
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self.areaModelArr = [self getAreaModelArray:self.provinceIndex cityIndex:0];
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[self.pickerView reloadComponent:1];
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[self.pickerView selectRow:0 inComponent:1 animated:YES];
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[self.pickerView reloadComponent:2];
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[self.pickerView selectRow:0 inComponent:2 animated:YES];
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self.selectProvinceModel = self.provinceModelArr.count > self.provinceIndex ? self.provinceModelArr[self.provinceIndex] : nil;
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self.selectCityModel = self.cityModelArr.count > 0 ? self.cityModelArr[0] : nil;
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self.selectAreaModel = self.areaModelArr.count > 0 ? self.areaModelArr[0] : nil;
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}
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break;
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default:
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break;
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}
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}
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if (component == 1) { // 选择市
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// 保存选择的城市的索引
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self.cityIndex = row;
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switch (self.pickerMode) {
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case BRAddressPickerModeCity:
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{
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self.selectCityModel = self.cityModelArr.count > self.cityIndex ? self.cityModelArr[self.cityIndex] : nil;
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self.selectAreaModel = nil;
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}
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break;
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case BRAddressPickerModeArea:
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{
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self.areaModelArr = [self getAreaModelArray:self.provinceIndex cityIndex:self.cityIndex];
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[self.pickerView reloadComponent:2];
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[self.pickerView selectRow:0 inComponent:2 animated:YES];
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self.selectCityModel = self.cityModelArr.count > self.cityIndex ? self.cityModelArr[self.cityIndex] : nil;
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self.selectAreaModel = self.areaModelArr.count > 0 ? self.areaModelArr[0] : nil;
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}
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break;
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default:
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break;
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}
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}
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if (component == 2) { // 选择区
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// 保存选择的地区的索引
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self.areaIndex = row;
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if (self.pickerMode == BRAddressPickerModeArea) {
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self.selectAreaModel = self.areaModelArr.count > self.areaIndex ? self.areaModelArr[self.areaIndex] : nil;
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}
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}
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// 滚动选择时执行 changeBlock
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if (self.changeBlock) {
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self.changeBlock(self.selectProvinceModel, self.selectCityModel, self.selectAreaModel);
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}
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// 设置自动选择时，滚动选择时就执行 resultBlock
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if (self.isAutoSelect) {
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if (self.resultBlock) {
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self.resultBlock(self.selectProvinceModel, self.selectCityModel, self.selectAreaModel);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 设置行高
|
||
- (CGFloat)pickerView:(UIPickerView *)pickerView rowHeightForComponent:(NSInteger)component {
|
||
return self.pickerStyle.rowHeight;
|
||
}
|
||
|
||
#pragma mark - 重写父类方法
|
||
- (void)addPickerToView:(UIView *)view {
|
||
// 添加地址选择器
|
||
if (view) {
|
||
// 立即刷新容器视图 view 的布局（防止 view 使用自动布局时，选择器视图无法正常显示）
|
||
[view setNeedsLayout];
|
||
[view layoutIfNeeded];
|
||
|
||
self.frame = view.bounds;
|
||
self.pickerView.frame = view.bounds;
|
||
[self addSubview:self.pickerView];
|
||
} else {
|
||
[self.alertView addSubview:self.pickerView];
|
||
}
|
||
|
||
[self handlerPickerData];
|
||
|
||
__weak typeof(self) weakSelf = self;
|
||
self.doneBlock = ^{
|
||
// 点击确定按钮后，执行block回调
|
||
[weakSelf removePickerFromView:view];
|
||
|
||
if (weakSelf.resultBlock) {
|
||
weakSelf.resultBlock(weakSelf.selectProvinceModel, weakSelf.selectCityModel, weakSelf.selectAreaModel);
|
||
}
|
||
};
|
||
|
||
[super addPickerToView:view];
|
||
}
|
||
|
||
#pragma mark - 重写父类方法
|
||
- (void)addSubViewToPicker:(UIView *)customView {
|
||
[self.pickerView addSubview:customView];
|
||
}
|
||
|
||
#pragma mark - 弹出选择器视图
|
||
- (void)show {
|
||
[self addPickerToView:nil];
|
||
}
|
||
|
||
#pragma mark - 关闭选择器视图
|
||
- (void)dismiss {
|
||
[self removePickerFromView:nil];
|
||
}
|
||
|
||
#pragma mark - setter方法
|
||
- (void)setPickerMode:(BRAddressPickerMode)pickerMode {
|
||
_pickerMode = pickerMode;
|
||
if (_pickerView) {
|
||
[self handlerDefaultSelectValue];
|
||
}
|
||
}
|
||
|
||
- (void)setSelectValues:(NSArray<NSString *> *)selectValues {
|
||
self.mSelectValues = selectValues;
|
||
}
|
||
|
||
#pragma mark - getter方法
|
||
- (NSArray *)provinceModelArr {
|
||
if (!_provinceModelArr) {
|
||
_provinceModelArr = [NSArray array];
|
||
}
|
||
return _provinceModelArr;
|
||
}
|
||
|
||
- (NSArray *)cityModelArr {
|
||
if (!_cityModelArr) {
|
||
_cityModelArr = [NSArray array];
|
||
}
|
||
return _cityModelArr;
|
||
}
|
||
|
||
- (NSArray *)areaModelArr {
|
||
if (!_areaModelArr) {
|
||
_areaModelArr = [NSArray array];
|
||
}
|
||
return _areaModelArr;
|
||
}
|
||
|
||
- (BRProvinceModel *)selectProvinceModel {
|
||
if (!_selectProvinceModel) {
|
||
_selectProvinceModel = [[BRProvinceModel alloc]init];
|
||
}
|
||
return _selectProvinceModel;
|
||
}
|
||
|
||
- (BRCityModel *)selectCityModel {
|
||
if (!_selectCityModel) {
|
||
_selectCityModel = [[BRCityModel alloc]init];
|
||
_selectCityModel.code = @"";
|
||
_selectCityModel.name = @"";
|
||
}
|
||
return _selectCityModel;
|
||
}
|
||
|
||
- (BRAreaModel *)selectAreaModel {
|
||
if (!_selectAreaModel) {
|
||
_selectAreaModel = [[BRAreaModel alloc]init];
|
||
_selectAreaModel.code = @"";
|
||
_selectAreaModel.name = @"";
|
||
}
|
||
return _selectAreaModel;
|
||
}
|
||
|
||
- (NSArray *)dataSourceArr {
|
||
if (!_dataSourceArr) {
|
||
_dataSourceArr = [NSArray array];
|
||
}
|
||
return _dataSourceArr;
|
||
}
|
||
|
||
- (NSArray<NSString *> *)mSelectValues {
|
||
if (!_mSelectValues) {
|
||
_mSelectValues = [NSArray array];
|
||
}
|
||
return _mSelectValues;
|
||
}
|
||
|
||
- (NSArray<NSNumber *> *)selectIndexs {
|
||
if (!_selectIndexs) {
|
||
_selectIndexs = [NSArray array];
|
||
}
|
||
return _selectIndexs;
|
||
}
|
||
|
||
@end
|