ios/Timi/Class/Base/Custom/Common/BottomBasePopupController.m

//
//  BottomBasePopupController.m
//  mask
//
//  Created by 翟玉磊 on 2018/12/24.
//  Copyright © 2018 翟玉磊. All rights reserved.
//

#import "BottomBasePopupController.h"

#define RowHeight 50.0f

@interface BottomBasePopupController ()<UITableViewDelegate, UITableViewDataSource>
{
    CGRect _showRect;
    CGRect _hiddenRect;
}
@property (nonatomic, readwrite, strong) UIView *bgView;

@property (nonatomic, readwrite, strong) UIView *titleView;
@property (nonatomic, readwrite, strong) UILabel *titleLabel;
@property (nonatomic, readwrite, strong) UIView *titleLineView;

@property (nonatomic, readwrite, strong) UITableView *tableView;
@end

static NSString * const cellId = @"UITableViewCellId";

@implementation BottomBasePopupController

- (instancetype)initWithTitle:(NSString *)title categoryTitles:(NSArray *)titles target:(UIViewController *)target selctedBlock:(void(^)(NSInteger index))block {
    
    if (self = [super init]) {
        
        self.titleString = [title copy];
        self.dataArray = [NSArray arrayWithArray:titles];
        self.parentController = target;
        self.selectedDidBlock = block;
        
        self.view.frame = [UIScreen mainScreen].bounds;
        self.view.backgroundColor = Color_Clear;
    }
    return self;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    /// 设置
    [self _setup];
    
    /// 设置导航栏
    [self _setupNavigationItem];
    
    /// 设置子控件
    [self _setupSubViews];
    
    /// 布局子空间
    [self _makeSubViewsConstraints];
}

- (void)show {
    
    UIViewController *appRootVC = [UIApplication sharedApplication].keyWindow.rootViewController;
    UIViewController *topVC = appRootVC;
    if (topVC.presentedViewController) {
        topVC = topVC.presentedViewController;
        if ([topVC isKindOfClass:[UINavigationController class]]) {
            UINavigationController *nav = (UINavigationController *)topVC;
            [nav.topViewController addChildViewController:self];
            [nav.topViewController.view addSubview:self.view];
        }else {
            [topVC addChildViewController:self];
            [topVC .view addSubview:self.view];
        }
    }else {
        [appRootVC addChildViewController:self];
        [appRootVC.view addSubview:self.view];
    }
    
    [UIView animateWithDuration:.3 animations:^{
        self.tableView.frame = self->_showRect;
    } completion:^(BOOL finished) {
        
    }];
}

- (void)showWithController:(UIViewController *)controller {
    
    [controller addChildViewController:self];
    [controller.view addSubview:self.view];
    
    [UIView animateWithDuration:.3 animations:^{
        self.tableView.frame = self->_showRect;
    } completion:^(BOOL finished) {
        
    }];
}

- (void)dismiss {
    
    [UIView animateWithDuration:.3 animations:^{
       
        self.tableView.frame = self->_hiddenRect;
    } completion:^(BOOL finished) {
        [self.view removeFromSuperview];
        [self removeFromParentViewController];
    }];
}

#pragma mark - 事件处理Or辅助方法
- (void)bgViewAction:(id)sender {
    
    if (self.cancelActionBlock) {
        self.cancelActionBlock();
    }
    [self dismiss];
}

#pragma mark - UITableViewDelegate
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return _dataArray.count;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return RowHeight;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellId forIndexPath:indexPath];
    
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellId];
    }
    cell.contentView.backgroundColor = Color_White;
    cell.textLabel.font = Font(14);
    cell.textLabel.textColor = Color_TextFont;
    cell.textLabel.text = _dataArray[indexPath.row];
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    
    if (self.selectedDidBlock) {
        self.selectedDidBlock(indexPath.row);
    }
    /// dismiss
    [self dismiss];
}

/// 处理系统cell分割线顶到头
- (void)tableView:(UITableView*)tableView willDisplayCell:(UITableViewCell*)cell forRowAtIndexPath:(NSIndexPath*)indexPath {
    [cell setSeparatorInset:UIEdgeInsetsZero];
    [cell setLayoutMargins:UIEdgeInsetsZero];
    cell.preservesSuperviewLayoutMargins = NO;
    
}

#pragma mark - 初始化
- (void)_setup{
}

#pragma mark - 设置导航栏
- (void)_setupNavigationItem{
    
}

#pragma mark - 设置子控件
- (void)_setupSubViews{
    
    [self.view addSubview:self.bgView];
    [self.view addSubview:self.tableView];
    
    if (StringIsNotEmpty(_titleString)) {
        self.tableView.tableHeaderView = self.titleView;
        [self.titleView addSubview:self.titleLabel];
        [self.titleView addSubview:self.titleLineView];
        
        self.titleLabel.text = self.titleString;
    }
    
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(bgViewAction:)];
    [self.bgView addGestureRecognizer:tap];
}

#pragma mark - 布局子控件
- (void)_makeSubViewsConstraints{
    
    self.bgView.frame = self.view.bounds;
    
    CGFloat tableViewHeight = self.dataArray.count * RowHeight;
    if (StringIsNotEmpty(_titleString)) {
        tableViewHeight = tableViewHeight + 50.0f;
    }
    _hiddenRect = CGRectMake(0, self.view.f_heigh, self.view.f_width, tableViewHeight);
    _showRect = CGRectMake(0, self.view.f_heigh - tableViewHeight - HOME_INDICATOR_HEIGHT, self.view.f_width, tableViewHeight);
    self.tableView.frame = _hiddenRect;
    
    self.titleView.frame= CGRectMake(0, 0, self.tableView.f_width, 50.0f);
    self.titleLabel.frame = CGRectMake(15.0f, 15.0f, self.titleView.f_width - 30.0f, 20.0f);
    self.titleLineView.frame =CGRectMake(0, self.titleView.f_heigh - 0.5f, self.titleView.f_width, 0.5f);
}

#pragma mark - Setter & Getter
- (UIView *)bgView {
    if (_bgView == nil) {
        _bgView = [[UIView alloc] init];
        _bgView.backgroundColor = Color_Black;
        _bgView.alpha = 0.4f;
        _bgView.userInteractionEnabled = YES;
    }
    return _bgView;
}

- (UIView *)titleView {
    if (_titleView == nil) {
        _titleView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 50.0f)];
        _titleView.backgroundColor = Color_White;
    }
    return _titleView;
}
- (UILabel *)titleLabel {
    if (_titleLabel == nil) {
        _titleLabel = [UILabel new];
        _titleLabel.font = Font(15);
        _titleLabel.textColor = Color_TextFont;
        _titleLabel.textAlignment = NSTextAlignmentCenter;
    }
    return _titleLabel;
}
- (UIView *)titleLineView {
    if (_titleLineView == nil) {
        _titleLineView = [[UIView alloc] init];
        _titleLineView.backgroundColor = Color_line;
    }
    return _titleLineView;
}
- (UITableView *)tableView {
    if (_tableView == nil) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.f_width, 150.0f) style:UITableViewStylePlain];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.backgroundColor = Color_White;
        _tableView.bounces = NO;
        [_tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:cellId];
    }
    return _tableView;
}
@end