1v1_7/MSYOUPAI/3rd/View/ZCAlertSheetBtnView.m

//
//  ZCAlertSheetBtnView.m
//  XLChat
//
//  Created by 张灿 on 2017/11/6.
//  Copyright © 2017年 张灿. All rights reserved.
//

#import "ZCAlertSheetBtnView.h"
#define ZCAlertSheetBtnHeight (40*KScreenWidth/320)//根据比例得到高度

@implementation ZCAlertActionBtn
+ (ZCAlertActionBtn *)actionWithTitle:(NSString *)title type:(NSInteger)type andblock:(handleBtnBlock)block{
    ZCAlertActionBtn *action = [[ZCAlertActionBtn alloc]initWithTitle:title type:type andblock:block];
    return action;
}

- (id)initWithTitle:(NSString *)title type:(NSInteger)type andblock:(handleBtnBlock)block{
    if (self = [super init]) {
        self.block = block;
        self.title = title;
        self.type = type;
    }
    return self;
}
@end

@interface ZCAlertSheetBtnView ()
{
    UIView *_alertView;
    CGFloat _AllHeight;
    NSMutableArray *_marr;
    NSInteger _currentSelectIndex;
    NSMutableArray* _btnArray;
}
@end
@implementation ZCAlertSheetBtnView

- (UIWindow*)alertWindow{
    if (!_alertWindow) {
        _alertWindow = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
        _alertWindow.windowLevel = UIWindowLevelStatusBar+1;
    }
    return _alertWindow;
}
- (id)initWithTitle:(NSString *)title andShowCancelButton:(BOOL)show andAction:(NSArray<ZCAlertActionBtn *> *)arr selectIndex:(NSInteger)index column:(NSInteger)column{
    if (self = [super init]) {
        self.frame = [UIScreen mainScreen].bounds;
        _btnArray = [NSMutableArray array];
        _marr = [NSMutableArray arrayWithArray:arr];
        UIControl *control = [[UIControl alloc]initWithFrame:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
        [control addTarget:self action:@selector(hide) forControlEvents:UIControlEventTouchUpInside];
        
        control.backgroundColor = [HexColorFromRGB(0x101010) colorWithAlphaComponent:0.5];
        //        control.alpha = 0.5;
        
        [self addSubview:control];
        _alertView = [[UIView alloc]init];
        _alertView.backgroundColor = HexColorFromRGB(0xefeff4);
        [self addSubview:_alertView];
        _currentSelectIndex = index;
        CGFloat btnWidth = (KScreenWidth-(column+1)*15.0)/column;
//        NSInteger row = arr.count/column+1;//行数
        NSInteger row = (NSInteger)ceilf(arr.count/(CGFloat)column);
        if (title) {
            if (show) {
                _AllHeight = ZCAlertSheetBtnHeight+ZCAlertSheetBtnHeight+10+row*ZCAlertSheetBtnHeight+(row+1)*15;
            }else{
                _AllHeight = ZCAlertSheetBtnHeight+row*ZCAlertSheetBtnHeight+(row+1)*15;
            }
            _alertView.frame = CGRectMake(0, KScreenHeight, KScreenWidth, _AllHeight);
            UILabel *titleLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, KScreenWidth, ZCAlertSheetBtnHeight)];
            titleLabel.text = title;
            titleLabel.textAlignment = NSTextAlignmentCenter;
            titleLabel.font = [UIFont systemFontOfSize:15];
            titleLabel.textColor = HexColorFromRGB(0x333333);
            titleLabel.backgroundColor = [UIColor whiteColor];
            [_alertView addSubview:titleLabel];
            UIView* btnBkgView = [[UIView alloc]initWithFrame:CGRectMake(0, ZCAlertSheetBtnHeight, KScreenWidth, row*ZCAlertSheetBtnHeight+(row+1)*15)];
            btnBkgView.backgroundColor = [UIColor whiteColor];
            [_alertView addSubview:btnBkgView];
            for (int i = 0; i < arr.count; i++) {
                ZCAlertActionBtn *action = arr[i];
                UIButton *button = [[UIButton alloc]initWithFrame:CGRectMake(15+(i%column)*(btnWidth+15), 15+(i/column)*(15+ZCAlertSheetBtnHeight), btnWidth, ZCAlertSheetBtnHeight)];
                button.backgroundColor = LCGray;
                if(index==i){
                     button.backgroundColor = ZYPinkColor;
                }
                button.layer.cornerRadius = 5.0;
                [button setTitle:action.title forState:UIControlStateNormal];
                [button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
                button.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
                button.tag=i;
                [button addTarget:self action:@selector(youpaiftapClick:) forControlEvents:UIControlEventTouchUpInside];
                [btnBkgView addSubview:button];
                [_btnArray addObject:button];
            }
            if (show) {
                UIButton *cancel = [UIButton buttonWithType:UIButtonTypeCustom];
                cancel.frame = CGRectMake(0, ZCAlertSheetBtnHeight+10+row*ZCAlertSheetBtnHeight+(row+1)*15, KScreenWidth, ZCAlertSheetBtnHeight);
                [cancel setTitle:@"取消" forState:UIControlStateNormal];
                [cancel setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
                cancel.backgroundColor = [UIColor whiteColor];
                [cancel addTarget:self action:@selector(hide) forControlEvents:UIControlEventTouchUpInside];
                [_alertView addSubview:cancel];
            }
        }else{
            if (show) {
                _AllHeight = ZCAlertSheetBtnHeight+10+row*ZCAlertSheetBtnHeight+(row+1)*15;
            }else{
                _AllHeight = row*ZCAlertSheetBtnHeight+(row+1)*15;
            }
            _alertView.frame = CGRectMake(0, KScreenHeight, KScreenWidth, _AllHeight);
            UIView* btnBkgView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, KScreenWidth, row*ZCAlertSheetBtnHeight+(row+1)*15)];
            btnBkgView.backgroundColor = [UIColor whiteColor];
            [_alertView addSubview:btnBkgView];
            for (int i = 0; i < arr.count; i++) {
                ZCAlertActionBtn *action = arr[i];
                UIButton *button = [[UIButton alloc]initWithFrame:CGRectMake(15+(i%column)*(btnWidth+15), 15+(i/column)*(15+ZCAlertSheetBtnHeight), btnWidth, ZCAlertSheetBtnHeight)];
                button.backgroundColor = HexColorFromRGB(0xb0b0b5);
                if(index==i){
                    button.backgroundColor = HexColorFromRGB(0xfd86a4);
                }
                button.layer.cornerRadius = 5.0;
                [button setTitle:action.title forState:UIControlStateNormal];
                [button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
                button.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
                button.tag=i;
                [button addTarget:self action:@selector(youpaiftapClick:) forControlEvents:UIControlEventTouchUpInside];
                [btnBkgView addSubview:button];
                [_btnArray addObject:button];
            }
            if (show) {
                UIButton *cancel = [UIButton buttonWithType:UIButtonTypeCustom];
                cancel.frame = CGRectMake(0, 10+row*ZCAlertSheetBtnHeight+(row+1)*15, KScreenWidth, ZCAlertSheetBtnHeight);
                [cancel setTitle:@"取消" forState:UIControlStateNormal];
                [cancel setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
                cancel.backgroundColor = [UIColor whiteColor];
                [cancel addTarget:self action:@selector(hide) forControlEvents:UIControlEventTouchUpInside];
                [_alertView addSubview:cancel];
            }
            
        }
        
        
    }
    return self;
}
- (void)youpaiftapClick:(UIButton *)button{
    UIButton* oldBtn = _btnArray[_currentSelectIndex];
    oldBtn.backgroundColor = LCGray;
    button.backgroundColor = ZYPinkColor;
    _currentSelectIndex = button.tag;
    ZCAlertActionBtn *action = _marr[button.tag];
    [self hide];
    //加个延时操作防止先回调再hide,影响用户体验
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        if (action.block) {
            action.block(action.type);
        }
    });
}

- (void)show{
    [[UIApplication sharedApplication] sendAction:@selector(resignFirstResponder) to:nil from:nil forEvent:nil];
    _alertWindow.hidden = NO;
    [_alertWindow addSubview:self];
    [UIView animateWithDuration:0.3 animations:^{
        _alertView.frame = CGRectMake(0, KScreenHeight-_AllHeight, KScreenWidth, _AllHeight);
    } completion:^(BOOL finished) {
        
    }];
}
- (void)hide{
    [UIView animateWithDuration:0.3 animations:^{
        _alertView.frame = CGRectMake(0, KScreenHeight, KScreenWidth, _AllHeight);
    } completion:^(BOOL finished) {
        [self removeFromSuperview];
        
        _alertWindow.hidden = YES;
        _alertWindow = nil;
    }];
}
@end