711/BuguLive/TiLiveSDK_Standard2040120512/TiUILive/TiUIVIew/TiUISlider/TiUISliderNew.m

//
//  TiUISliderNew.m
//  TiSDKDemo
//
//  Created by iMacA1002 on 2019/12/2.
//  Copyright © 2020 Tillusory Tech. All rights reserved.
//

#import "TiUISliderNew.h"
#import "TIConfig.h"

@interface TiUISliderNew (){
    CGRect _trackRect;
    TiUISliderType _sliderType;
}
//滑动的标记View
@property(nonatomic,strong)UIImageView *tagView;
@property(nonatomic,strong)UILabel *tagLabel;
//覆盖trackmax的线
@property(nonatomic,strong)UIView *trackColorView;
//用于标记分割的线
@property(nonatomic,strong)UIView *tagLine;

@end

@implementation TiUISliderNew

-(UIImageView *)tagView{
    if (_tagView == nil) {
//        (TiUISliderHeight*3+2)为滑块直径 TiUISliderHeight/2 为滑条半经
      _tagView = [[UIImageView alloc]initWithFrame:CGRectMake(-TiUISliderTagViewWidth/2+1, -(TiUISliderTagViewHeight + (TiUISliderHeight*3+2)/2 - TiUISliderHeight/2),TiUISliderTagViewWidth, TiUISliderTagViewHeight)];
      [_tagView setImage:[UIImage imageNamed:@"drag.png"]];
      _tagView.alpha = 0;
      _tagView.contentMode = UIViewContentModeScaleAspectFit;
      [_tagView addSubview:self.tagLabel];
    }
    return _tagView;
}

-(UILabel *)tagLabel{
    if (_tagLabel==nil) {
          _tagLabel = [[UILabel alloc] initWithFrame:self.tagView.bounds];
          [_tagLabel setTextColor:TI_Color_Default_Text_White];
          [_tagLabel setTextAlignment:NSTextAlignmentCenter];
          [_tagLabel setFont:TI_Font_Default_Size_Small];
          _tagLabel.userInteractionEnabled = NO;
          
    }
    return _tagLabel;
}
- (UIView *)trackColorView{
    if (!_trackColorView) {
        _trackColorView = [[UIView alloc] init];
        _trackColorView.frame = _trackRect;
        _trackColorView.backgroundColor = [UIColor colorWithRed:239/255.0 green:128/255.0 blue:116/255.0 alpha:1.0];
//        _trackColorView.backgroundColor = [UIColor yellowColor];
        _trackColorView.layer.cornerRadius = TiUISliderHeight/2;
        _trackColorView.userInteractionEnabled = NO;
    }
    
    return _trackColorView;
}
- (UIView *)tagLine{
    if (!_tagLine) {
        _tagLine = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 1, TiUISliderHeight*3)];
        _tagLine.hidden = YES;
        _tagLine.backgroundColor = TI_Color_Default_Text_White;
        _tagLine.userInteractionEnabled = NO;
        _tagLine.layer.cornerRadius = 0.5;
    }
    
    return _tagLine;
}

- (instancetype)init{
    self = [super init];
    if (self) {
            _trackRect = CGRectZero;
        //默认赋值
//         [self setSliderType:TI_UI_SLIDER_TYPE_ONE WithValue:0];
        
            [self setBackgroundColor:[UIColor colorWithRed:255/255.0 green:254/255.0 blue:252/255.0 alpha:1.0]];
            self.minimumTrackTintColor = [UIColor clearColor];
            self.maximumTrackTintColor = [UIColor clearColor];
 
            [self setThumbImage:[self resizeImage:[UIImage imageNamed:@"dot"] toSize:CGSizeMake(TiUISliderHeight*3, TiUISliderHeight*3)]  forState:UIControlStateNormal];
            [self setThumbImage:[self resizeImage:[UIImage imageNamed:@"dot"] toSize:CGSizeMake(TiUISliderHeight*3+2, TiUISliderHeight*3+2)] forState:UIControlStateHighlighted];
            self.layer.cornerRadius = TiUISliderHeight/2;
            [self addSubview:self.tagView];
            [self addSubview:self.trackColorView];
            [self addSubview:self.tagLine];
        
            [self addTarget:self action:@selector(didBeginUpdateValue:) forControlEvents:UIControlEventTouchDown];
            [self addTarget:self action:@selector(didUpdateValue:) forControlEvents:UIControlEventValueChanged];
            [self addTarget:self action:@selector(didEndUpdateValue:) forControlEvents:UIControlEventTouchUpInside|UIControlEventTouchUpOutside|UIControlEventTouchCancel];
        
    }
    return self;
}
  

-(void)setSliderType:(TiUISliderType)sliderType WithValue:(float)value{
    _sliderType = sliderType;
   
    [self refreshWithValue:value isSet:YES];
    
        if (sliderType == TI_UI_SLIDER_TYPE_ONE)
               {
                    self.tagLine.hidden = YES;
                    self.minimumValue = 0;
                    self.maximumValue = 100;
                    [self setValue:value animated:YES];
                }
                else if (sliderType == TI_UI_SLIDER_TYPE_TWO)
                {
                    self.tagLine.hidden = NO;
                    self.minimumValue = -50;
                    self.maximumValue = 50;
                    [self setValue:value animated:YES];
                }
}

  

//开始拖拽
- (void)didBeginUpdateValue:(UISlider *)sender {
    [self refreshWithValue:sender.value isSet:NO];
    [UIView animateWithDuration:0.3 animations:^{
       [self.tagView setAlpha:1.0f];
    }];
}
//正在拖拽
- (void)didUpdateValue:(UISlider *)sender {
    [self refreshWithValue:sender.value isSet:NO];
//    [self.tagView setAlpha:1.0f];
}
//结束拖拽
- (void)didEndUpdateValue:(UISlider *)sender {
    [self refreshWithValue:sender.value isSet:NO];
    [UIView animateWithDuration:0.1 animations:^{
       [self.tagView setAlpha:0];
    }];
}

 
- (void)refreshWithValue:(float)value isSet:(BOOL)set{
    if (self.refreshValueBlock&&!set) {
        self.refreshValueBlock(value);
    }
    if(self.valueBlock){
        self.valueBlock(value);
    }
    
        if (self->_sliderType == TI_UI_SLIDER_TYPE_ONE)
        {
        self.trackColorView.frame =CGRectMake(0, 0, self->_trackRect.origin.x + TiUISliderHeight*3/2, TiUISliderHeight);
        }
        else if (self->_sliderType == TI_UI_SLIDER_TYPE_TWO)
        {
            CGFloat W = -(self.frame.size.width/2 - (self->_trackRect.origin.x + TiUISliderHeight*3/2));
            self.trackColorView.frame =CGRectMake(self.frame.size.width/2 +0.5 , 0,W , TiUISliderHeight);
          }
    
       self.tagView.center = CGPointMake(self->_trackRect.origin.x + (TiUISliderHeight*3)/2 +1,self.tagView.center.y);
        [self.tagLabel setText:[NSString stringWithFormat:@"%d%@", (int)value, @"%"]];
}

 

//调整中间滑块位置，并获取滑块坐标
- (CGRect)thumbRectForBounds:(CGRect)bounds trackRect:(CGRect)rect value:(float)value{
    rect.origin.x = rect.origin.x - TiUISliderHeight;
    rect.size.width = rect.size.width + TiUISliderHeight*2;
    _trackRect = [super thumbRectForBounds:bounds trackRect:rect value:value];
    return CGRectInset ([super thumbRectForBounds:bounds trackRect:rect value:value], TiUISliderHeight, TiUISliderHeight);
}
 
// FIXME: --layoutSubviews--
-(void)layoutSubviews
{
    [super layoutSubviews];
    //使用 mas //这里才能获取到self.frame 并且刷新Value 视图变动的时候也会调用
     self.tagLine.frame = CGRectMake(self.frame.size.width/2, -TiUISliderHeight*3/2 + TiUISliderHeight/2, 1, TiUISliderHeight*3);
     
    [self refreshWithValue:self.value isSet:YES];
    
}


- (UIImage *)resizeImage:(UIImage *)image toSize:(CGSize)size{
    UIGraphicsBeginImageContextWithOptions(size, NO, [[UIScreen mainScreen] scale]);
    // 绘制改变大小的图片
    [image drawInRect:CGRectMake(0, 0, size.width, size.height)];
    // 从当前context中创建一个改变大小后的图片
    UIImage * scaledImage = UIGraphicsGetImageFromCurrentImageContext();
    // 使当前的context出堆栈
    UIGraphicsEndImageContext();
    // 返回新的改变大小后的图片
    return scaledImage;
}


@end