175 lines
4.7 KiB
Objective-C
175 lines
4.7 KiB
Objective-C
//
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// GIGaQuestionSlider.m
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// GIGA
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//
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// Created by lianxiang on 2018/9/11.
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// Copyright © 2018年 com.giga.ios. All rights reserved.
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//
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#import "GIGaQuestionSlider.h"
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#import "UIColor+HexColor.h"
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#define thumbBound_x 10
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#define thumbBound_y 20
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@interface GIGaQuestionSlider()
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{
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CGRect _lastBounds;
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}
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@end
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@implementation GIGaQuestionSlider
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- (instancetype)initWithFrame:(CGRect)frame type:(GIGaQuestionSliderType)type
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{
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self = [super initWithFrame:frame];
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if (self) {
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self.minimumValue = 0.0;
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self.maximumValue = 1.0;
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[self creatSubView:type];
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}
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return self;
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}
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-(void)creatSubView:(GIGaQuestionSliderType)type{
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[self thumbimageView];
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switch (type) {
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case GIGaQuestionSliderTypeGray:
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{
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[self createUI];
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}
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break;
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case GIGaQuestionSliderTypeGradient:
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{
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[self creatGradient];
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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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-(void)creatGradient{
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self.minimumTrackTintColor=[UIColor clearColor];
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self.maximumTrackTintColor=[UIColor clearColor];
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NSArray *colorArr = @[(id)[[UIColor colorWithHex:0xFFFFFF] CGColor],
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(id)[[UIColor colorWithHex:0xFFF3E4] CGColor],
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(id)[[UIColor colorWithHex:0xFBC37B] CGColor]];
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NSArray *colorLocationArray = @[@0.0, @0.5, @1.0];
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CAGradientLayer * gradientLayer = [CAGradientLayer layer];
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gradientLayer.frame = self.bounds;
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gradientLayer.masksToBounds = YES;
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gradientLayer.cornerRadius = self.frame.size.height /2 ;
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gradientLayer.borderWidth = 1;
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gradientLayer.borderColor =GIGARGB(215, 215, 215, 1).CGColor;
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[gradientLayer setLocations:colorLocationArray];
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[gradientLayer setColors:colorArr];
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[gradientLayer setStartPoint:CGPointMake(0, 0)];
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[gradientLayer setEndPoint:CGPointMake(1, 0)];
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[self.layer addSublayer:gradientLayer];
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}
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-(void)createUI{
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self.minimumValue = 0.0;
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self.maximumValue = 1.0;
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// self.minimumTrackTintColor = GIGARGB(216,216, 216, 1);
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// self.maximumTrackTintColor = GIGARGB(216,216, 216, 1);
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self.minimumTrackTintColor = GIGAUIColorFromRGBA(0xEA4D4D);
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self.maximumTrackTintColor = GIGAUIColorFromRGBA(0xEA4D4D);
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}
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-(CGRect)trackRectForBounds:(CGRect)bounds
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{
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bounds.origin.x = bounds.origin.x;
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bounds.origin.y = bounds.origin.y;
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bounds.size.height = bounds.size.height;
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bounds.size.width = bounds.size.width;
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return bounds;
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}
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-(void)thumbimageView{
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[self setThumbImage:[self OriginImage:[UIImage imageNamed:@"btn_slider_thumb"] scaleToSize:CGSizeMake(40, 40)] forState:UIControlStateNormal];
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[self setThumbImage:[self OriginImage:[UIImage imageNamed:@"btn_slider_thumb"] scaleToSize:CGSizeMake(40, 40)] forState:UIControlStateHighlighted];
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}
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-(UIImage*) OriginImage:(UIImage*)image scaleToSize:(CGSize)size
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{
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UIGraphicsBeginImageContext(size);//size为CGSize类型，即你所需要的图片尺寸
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[image drawInRect:CGRectMake(0,0, size.width, size.height)];
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UIImage* scaledImage =UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return scaledImage;
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}
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// 扩大thumb 触控区域
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- (CGRect)thumbRectForBounds:(CGRect)bounds trackRect:(CGRect)rect value:(float)value
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{
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rect.origin.x = rect.origin.x;
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rect.size.width = rect.size.width ;
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CGRect result = [super thumbRectForBounds:bounds trackRect:rect value:value];
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_lastBounds = result;
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return result;
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}
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- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event{
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UIView *result = [super hitTest:point withEvent:event];
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if (point.x < 0 || point.x > self.bounds.size.width){
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return result;
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}
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if ((point.y >= -thumbBound_y) && (point.y < _lastBounds.size.height + thumbBound_y)) {
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float value = 0.0;
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value = point.x - self.bounds.origin.x;
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value = value/self.bounds.size.width;
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value = value < 0? 0 : value;
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value = value > 1? 1: value;
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value = value * (self.maximumValue - self.minimumValue) + self.minimumValue;
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[self setValue:value animated:YES];
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}
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return result;
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}
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- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event{
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BOOL result = [super pointInside:point withEvent:event];
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if (!result && point.y > -10) {
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if ((point.x >= _lastBounds.origin.x - thumbBound_x) && (point.x <= (_lastBounds.origin.x + _lastBounds.size.width + thumbBound_x)) && (point.y < (_lastBounds.size.height + thumbBound_y))) {
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result = YES;
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}
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}
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return result;
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}
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@end
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