ActionSheetView

封装的一个ActionSheetView

代码如下：
GQActionSheetView.h

#import <UIKit/UIKit.h>

@interface GQChooseCell : UITableViewCell

@property (strong, nonatomic) UILabel * title;

@property (strong, nonatomic) UIView * separtline;

@end


@interface GQActionSheetView : UIView

@property (copy, nonatomic) void(^choosedBlock)(NSString * ,NSInteger);

//初始化
/**
 *  创建一个底部选择view
 *
 *  @param titles 选项数组
 *  @param cancle 取消的标题--默认取消
 *
 *  @return 返回一个底部选择view
 */
- (instancetype)initWithTitles:(NSArray*)titles withCancleTitle:(NSString*)cancle;

- (instancetype)initWithTitles:(NSArray*)titles withCancleTitle:(NSString*)cancle cancelColor:(UIColor *)color;

- (instancetype)initWithTitles:(NSArray*)titles titleColors:(NSArray<UIColor *> *)colors withCancleTitle:(NSString*)cancle;

- (instancetype)initWithTitles:(NSArray*)titles titleColors:(NSArray<UIColor *> *)colors withCancleTitle:(NSString*)cancle cancelColor:(UIColor *)color;

- (void)show;

- (void)dismiss;

@end

GQActionSheetView.m

#import "GQActionSheetView.h"

@implementation GQChooseCell

- (instancetype)init
{
    self = [super init];
    if (self) {
        [self addTitleView];
    }
    return self;
}

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        [self addTitleView];
    }
    return self;
}

- (void)addTitleView
{
    self.title = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 200, 20)];
    self.title.textAlignment  = NSTextAlignmentCenter;
    self.title.textColor = [UIColor blackColor];
    self.title.font = [UIFont systemFontOfSize:18];
    self.title.center = self.center;
    [self addSubview:self.title];
    
    UIView * line = [[UIView alloc]initWithFrame:CGRectMake(0, 0, self.width, 1)];
    line.backgroundColor = [UIColor lightGrayColor];
    [self addSubview:line];
    self.separtline = line;
}

- (void)layoutSubviews
{
    [super layoutSubviews];
    [self.title mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(self);
    }];
    [self.separtline mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.equalTo(self);
        make.height.offset(1);
        make.bottom.equalTo(self);
    }];
}

@end

#define KCell_H 45
#define KSection_H 10
@interface GQActionSheetView ()<UITableViewDelegate,UITableViewDataSource>
{
    CGFloat tableView_H;//高度
}
@property (strong, nonatomic) UITableView * TableView;
@property (strong, nonatomic) NSMutableArray * dataArrys;
@property (strong, nonatomic) NSString * cancleTitle;
@property (strong, nonatomic) UIColor * cancleColor;

@property (strong, nonatomic) NSArray<UIColor *> *titleColors;

@end

static NSString * cellId = @"GQChooseCell";

@implementation GQActionSheetView

- (instancetype)initWithTitles:(NSArray*)titles withCancleTitle:(NSString*)cancle
{
    return [self initWithTitles:titles titleColors:nil withCancleTitle:cancle cancelColor:nil];
}

- (instancetype)initWithTitles:(NSArray*)titles withCancleTitle:(NSString*)cancle cancelColor:(UIColor *)color
{
    return [self initWithTitles:titles titleColors:nil withCancleTitle:cancle cancelColor:color];
}

- (instancetype)initWithTitles:(NSArray*)titles titleColors:(NSArray<UIColor *> *)colors withCancleTitle:(NSString*)cancle
{
    return [self initWithTitles:titles titleColors:colors withCancleTitle:cancle cancelColor:nil];
}

- (instancetype)initWithTitles:(NSArray*)titles titleColors:(NSArray<UIColor *> *)colors withCancleTitle:(NSString*)cancle cancelColor:(UIColor *)color
{
    if (self = [super init]) {
        
        [self initTableViewWith:titles];
        self.cancleTitle = cancle ? cancle : @"取消";
        self.titleColors = colors;
        self.cancleColor = color?:[UIColor redColor];
        
        [self.TableView reloadData];
    }
    return self;
}

- (void)show
{
    UIWindow * keyWind = [[[UIApplication sharedApplication] delegate] window];
    [keyWind addSubview:self];
    
    self.alpha = 0;
    [UIView animateWithDuration:0.20 animations:^{
        self.alpha = 1;
        self.TableView.frame = CGRectMake(0, WINDOW_height - tableView_H, WINDOW_width, tableView_H);
    }];
}

-(void)dismiss
{
    self.alpha = 1;
    [UIView animateWithDuration:0.20 animations:^{
        self.TableView.frame = CGRectMake(0, WINDOW_height , WINDOW_width, tableView_H);
        self.alpha = 0;
    } completion:^(BOOL finished) {
        if (self.superview) {
            [self removeFromSuperview];
        }
    }];
}

- (void)initTableViewWith:(NSArray*)titles
{
    self.frame = [UIScreen mainScreen].bounds;
    tableView_H = (titles.count +1)*KCell_H + KSection_H;
    self.backgroundColor = RGBA_COLOR(1, 1, 1, 0.3);
    
    UITableView * table = [[UITableView alloc]init];
    table.frame = CGRectMake(0, WINDOW_height, WINDOW_width, tableView_H);
    table.separatorStyle = UITableViewCellSeparatorStyleNone;
    table.scrollEnabled = NO;
    table.delegate = self;
    table.dataSource = self;
    self.TableView = table;

    [self addSubview:self.TableView];
    
    self.dataArrys = [NSMutableArray arrayWithArray:titles];
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 2;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    if (section == 0) {
        return self.dataArrys.count;
    }else{
        return 1;
    }
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    GQChooseCell * cell = [tableView dequeueReusableCellWithIdentifier:cellId];
    if (cell == nil) {
        cell = [[GQChooseCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellId];
    }
    cell.selectionStyle = UITableViewCellSelectionStyleNone;
    if (indexPath.section == 0) {
        cell.title.text = self.dataArrys[indexPath.row];
        cell.title.textColor = [UIColor blackColor];
        
        if (self.titleColors.count > indexPath.row) {
            cell.title.textColor = self.titleColors[indexPath.row];
        }
        
    } else {
        cell.title.text =  _cancleTitle;
        cell.title.textColor = self.cancleColor;
    }
    
    return cell;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (self.choosedBlock && indexPath.section == 0) {
        NSString * title = self.dataArrys[indexPath.row];
        self.choosedBlock (title, indexPath.row);
    }
    [self dismiss];
}

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

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
    return nil;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
    if (section != 0) {
        return KSection_H;
    }
    return 0;
}

- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [self dismiss];
}
@end