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zuoyebang/tongxin/ThirdPartyLib/FBYLineGraph/FBYLineGraphContentView.m

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//
// FBYLineGraphContentView.m
// FBYDataDisplay-iOS
//
// Created by fby on 2018/1/18.
// Copyright © 2018年 FBYDataDisplay-iOS. All rights reserved.
//
#import "FBYLineGraphContentView.h"
#import "FBYLineGraphColorView.h"
// Tag 基初值
#define BASE_TAG_COVERVIEW 100
#define BASE_TAG_CIRCLEVIEW 200
#define BASE_TAG_POPBTN 300
@interface FBYLineGraphContentView() {
//存点位置的数组
NSMutableArray *pointArray;
NSInteger lastSelectedIndex;
//暂存的Rect;
CGRect _tempRect;
}
/// 存点的点击View 的数组
@property(nonatomic, strong) NSMutableArray<UIView*> *pointTapViewArray;
@end
@implementation FBYLineGraphContentView
-(UIColor *)MainColor{
if(!_MainColor){
_MainColor = [UIColor colorWithRed:255/255.0 green:69/255.0 blue:0/255.0 alpha:1];
}
return _MainColor;
}
- (void)setMaxValue:(CGFloat)maxValue {
_maxValue = maxValue;
}
- (void)setValueArray:(NSArray *)valueArray {
_valueArray = valueArray;
}
- (instancetype)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
lastSelectedIndex = - 1;
pointArray = [NSMutableArray array];
_pointTapViewArray = [NSMutableArray array];
_tempRect = CGRectZero;
self.yAxis_L = frame.size.height;
self.xAxis_L = frame.size.width;
}
return self;
}
- (void)mapping {
[super mapping];
[self drawChartLine];
[self drawGradient];
[self setupCircleViews];
[self setupCoverViews];
}
- (void)reloadDatas {
[super reloadDatas];
[self clearView];
[self mapping];
}
#pragma mark 画折线图
- (void)drawChartLine
{
UIBezierPath *pAxisPath = [[UIBezierPath alloc] init];
CGFloat unint_X = self.xAxis_L / (_xMarkmaxValue - _xMarkminValue);
for (int i = 0; i < self.valueArray.count; i ++) {
CGFloat value = [self.valueArray[i] floatValue];
//x轴的比例
// NSString *yTitle = [NSString stringWithFormat:@"%@",self.xMarkValues[i]];
// NSArray *arr = [yTitle componentsSeparatedByString:@"."];
CGFloat xMarkValue = [self.xMarkValues[i] floatValue];
CGFloat point_X = (xMarkValue-_xMarkminValue) * unint_X + self.startPoint.x;
//Y轴比例
CGFloat percent = (value - self.minValue) / (self.maxValue - self.minValue);
CGFloat point_Y = self.yAxis_L * (1 - percent) + self.startPoint.y;
// CGFloat point_Y = self.yAxis_L - (value-_minValue) * unint_Y;
CGPoint point = CGPointMake(point_X, point_Y);
// 记录各点的坐标方便后边添加渐变阴影 和 点击层视图 等
[pointArray addObject:[NSValue valueWithCGPoint:point]];
if (i == 0) {
[pAxisPath moveToPoint:point];
}
else {
[pAxisPath addLineToPoint:point];
}
}
CAShapeLayer *pAxisLayer = [CAShapeLayer layer];
pAxisLayer.lineWidth = 1;
pAxisLayer.strokeColor = self.MainColor.CGColor;
pAxisLayer.fillColor = [UIColor clearColor].CGColor;
pAxisLayer.path = pAxisPath.CGPath;
[self.layer addSublayer:pAxisLayer];
}
#pragma mark 渐变阴影
- (void)drawGradient {
CAGradientLayer *gradientLayer = [CAGradientLayer layer];
gradientLayer.frame = CGRectMake(0, 0, self.frame.size.width, self.frame.size.height);
// gradientLayer.colors = @[(__bridge id)[UIColor colorWithRed:250/255.0 green:170/255.0 blue:10/255.0 alpha:0.8].CGColor,(__bridge id)[UIColor colorWithWhite:1 alpha:0.1].CGColor];
gradientLayer.colors = @[(__bridge id)self.MainColor.CGColor,(__bridge id)[UIColor colorWithWhite:1 alpha:0.1].CGColor];
gradientLayer.locations=@[@0.0,@1.0];
gradientLayer.startPoint = CGPointMake(0.0,0.0);
gradientLayer.endPoint = CGPointMake(0.0,1);
UIBezierPath *gradientPath = [[UIBezierPath alloc] init];
// [gradientPath moveToPoint:CGPointMake(self.startPoint.x, self.yAxis_L + self.startPoint.y)];
CGPoint startPoint = [[pointArray firstObject] CGPointValue];
[gradientPath moveToPoint:CGPointMake(startPoint.x, self.yAxis_L + self.startPoint.y)];
for (int i = 0; i < pointArray.count; i ++) {
[gradientPath addLineToPoint:[pointArray[i] CGPointValue]];
}
CGPoint endPoint = [[pointArray lastObject] CGPointValue];
// endPoint = CGPointMake(endPoint.x + self.startPoint.x, self.yAxis_L + self.startPoint.y);
endPoint = CGPointMake(endPoint.x, self.yAxis_L + self.startPoint.y);
[gradientPath addLineToPoint:endPoint];
CAShapeLayer *arc = [CAShapeLayer layer];
arc.path = gradientPath.CGPath;
gradientLayer.mask = arc;
[self.layer addSublayer:gradientLayer];
}
#pragma mark 折线上的圆环
- (void)setupCircleViews {
for (int i = 0; i < pointArray.count; i ++) {
FBYLineGraphColorView *lineGraphColorView = [[FBYLineGraphColorView alloc] initWithCenter:[pointArray[i] CGPointValue] radius:4];
lineGraphColorView.tag = i + BASE_TAG_CIRCLEVIEW;
lineGraphColorView.borderColor = self.MainColor;
lineGraphColorView.borderWidth = 1.0;
[self addSubview:lineGraphColorView];
}
}
#pragma mark 覆盖一层点击图层
- (void)setupCoverViews {
for (int i = 0; i < pointArray.count; i ++) {
UIView *coverView = [[UIView alloc] init];
coverView.tag = BASE_TAG_COVERVIEW + i;
// if (i == 0) {
//
// coverView.frame = CGRectMake(self.startPoint.x, self.startPoint.y, self.xScaleMarkLEN / 2, self.yAxis_L);
// [self addSubview:coverView];
// }
// else if (i == pointArray.count - 1 && pointArray.count == self.xMarkScaleArr.count) {
// CGPoint point = [pointArray[i] CGPointValue];
// coverView.frame = CGRectMake(point.x - self.xScaleMarkLEN / 2, self.startPoint.y, self.xScaleMarkLEN / 2, self.yAxis_L);
// [self addSubview:coverView];
// }
// else {
// CGPoint point = [pointArray[i] CGPointValue];
// coverView.frame = CGRectMake(point.x - self.xScaleMarkLEN / 2, self.startPoint.y, self.xScaleMarkLEN, self.yAxis_L);
// [self addSubview:coverView];
// }
CGPoint point = [pointArray[i] CGPointValue];
if(self.chartType == 0){
coverView.frame = CGRectMake(point.x - 20 / 2, self.startPoint.y, 20, self.yAxis_L);
}else{
coverView.frame = CGRectMake(point.x - 20 / 2, self.startPoint.y, self.xScaleMarkLEN, self.yAxis_L);
}
[self addSubview:coverView];
UITapGestureRecognizer *gesutre = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(gesutreAction:)];
[coverView addGestureRecognizer:gesutre];
[_pointTapViewArray addObject:coverView];
}
}
-(void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
//判断point是否在rect内
// bool CGRectContainsPoint(CGRect rect, CGPoint point)
UITouch* touch = [touches anyObject];
CGPoint currentPoint = [touch locationInView:self]; // 当前视图内的坐标
if(!CGRectIsEmpty(_tempRect)){
if(CGRectContainsPoint(_tempRect, currentPoint)){
return;
}
}
for (UIView *item in _pointTapViewArray) {
if (CGRectContainsPoint(item.frame, currentPoint)){
_tempRect = item.frame;
[self gesutreAction:item.gestureRecognizers.firstObject];
}
}
}
#pragma mark- 点击层视图的点击事件
- (void)gesutreAction:(UITapGestureRecognizer *)sender {
NSInteger index = sender.view.tag - BASE_TAG_COVERVIEW;
if (lastSelectedIndex != -1) {
FBYLineGraphColorView *lineGraphColorView = (FBYLineGraphColorView *)[self viewWithTag:lastSelectedIndex + BASE_TAG_CIRCLEVIEW];
lineGraphColorView.borderWidth = 1;
UIButton *lastPopBtn = (UIButton *)[self viewWithTag:lastSelectedIndex + BASE_TAG_POPBTN];
[lastPopBtn removeFromSuperview];
}
FBYLineGraphColorView *lineGraphColorView = (FBYLineGraphColorView *)[self viewWithTag:index + BASE_TAG_CIRCLEVIEW];
lineGraphColorView.borderWidth = 2;
CGPoint point = [pointArray[index] CGPointValue];
UIButton *popBtn = [UIButton buttonWithType:(UIButtonTypeCustom)];
popBtn.tag = index + BASE_TAG_POPBTN;
CGFloat popBtnWidth = 80;
CGFloat popBtnHeight = 35;
// [popBtn setBackgroundImage:[UIImage imageNamed:@"bgcolors"] forState:UIControlStateNormal];
[popBtn setBackgroundColor:[self.MainColor colorWithAlphaComponent:0.5]];
popBtn.layer.cornerRadius = 5;
popBtn.layer.masksToBounds = YES;
popBtn.titleLabel.textAlignment = NSTextAlignmentCenter;
if(self.chartType == 0){
popBtnWidth = 80;
popBtnHeight = 35;
// [popBtn setTitleEdgeInsets:UIEdgeInsetsMake(- 3, 0, 0, 0)];
popBtn.titleLabel.numberOfLines = 2;
popBtn.titleLabel.font = [UIFont systemFontOfSize:10];
//上传时间
NSTimeInterval updateTime = [self.xMarkValues[index] integerValue];
NSDateFormatter*dateFormatter = [[NSDateFormatter alloc]init];
[dateFormatter setDateFormat:@"HH:mm"];
NSString *upDateTime = [dateFormatter stringFromDate:[NSDate dateWithTimeIntervalSince1970:updateTime]];
[popBtn setTitle:[NSString stringWithFormat:@"上传时间:%@\n值:%@",upDateTime,self.valueArray[index]] forState:(UIControlStateNormal)];
}else{
popBtnWidth = 50;
popBtnHeight = 25;
popBtn.titleLabel.font = [UIFont systemFontOfSize:12];
[popBtn setTitle:[NSString stringWithFormat:@"%@",self.valueArray[index]] forState:(UIControlStateNormal)];
}
CGFloat temp_X = point.x - popBtnWidth/2.0;
if (point.x+popBtnWidth/2.0 > self.frame.size.width){
temp_X = point.x - popBtnWidth;
}
if (temp_X < 0) {
temp_X = 0;
}
popBtn.frame = CGRectMake(temp_X, point.y - popBtnHeight-5, popBtnWidth, popBtnHeight);
[self addSubview:popBtn];
lastSelectedIndex = index;
}
-(void)drawXGridline{
[super drawXGridline];
//如果有上下限
if (_upperValue > self.minValue) {
UIBezierPath *xAxisPath = [[UIBezierPath alloc] init];
//Y轴比例
CGFloat percent = (_upperValue - self.minValue)/ (self.maxValue - self.minValue);
CGFloat point_Y = self.yAxis_L * (1 - percent) + self.startPoint.y;
[xAxisPath moveToPoint:CGPointMake(self.startPoint.x, point_Y)];
[xAxisPath addLineToPoint:CGPointMake(self.startPoint.x + self.xAxis_L, point_Y)];
CAShapeLayer *xAxisLayer = [CAShapeLayer layer];
[xAxisLayer setLineDashPattern:[NSArray arrayWithObjects:[NSNumber numberWithInt:1], [NSNumber numberWithInt:1.5], nil]];
xAxisLayer.lineWidth = 0.5;
xAxisLayer.strokeColor = [UIColor redColor].CGColor;
xAxisLayer.path = xAxisPath.CGPath;
[self.layer addSublayer:xAxisLayer];
UILabel *markLab = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 25, 16)];
markLab.center = CGPointMake(self.startPoint.x + self.xAxis_L - 25, point_Y - 16/2.0);
markLab.textAlignment = NSTextAlignmentRight;
markLab.textColor = [UIColor colorWithRed:51.0f/255.0f green:51.0f/255.0f blue:51.0f/255.0f alpha:1.0f];
markLab.font = [UIFont systemFontOfSize:11.0];
markLab.text = @"上限";
[self addSubview:markLab];
}
if (_lowerValue > self.minValue){
UIBezierPath *xAxisPath = [[UIBezierPath alloc] init];
//Y轴比例
CGFloat percent = (_lowerValue - self.minValue)/ (self.maxValue - self.minValue);
CGFloat point_Y = self.yAxis_L * (1 - percent) + self.startPoint.y;
[xAxisPath moveToPoint:CGPointMake(self.startPoint.x, point_Y)];
[xAxisPath addLineToPoint:CGPointMake(self.startPoint.x + self.xAxis_L, point_Y)];
CAShapeLayer *xAxisLayer = [CAShapeLayer layer];
[xAxisLayer setLineDashPattern:[NSArray arrayWithObjects:[NSNumber numberWithInt:1], [NSNumber numberWithInt:1.5], nil]];
xAxisLayer.lineWidth = 0.5;
xAxisLayer.strokeColor = [UIColor redColor].CGColor;
xAxisLayer.path = xAxisPath.CGPath;
[self.layer addSublayer:xAxisLayer];
UILabel *markLab = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 25, 16)];
markLab.center = CGPointMake(self.startPoint.x + self.xAxis_L - 25, point_Y - 16/2.0);
markLab.textAlignment = NSTextAlignmentRight;
markLab.textColor = [UIColor colorWithRed:51.0f/255.0f green:51.0f/255.0f blue:51.0f/255.0f alpha:1.0f];
markLab.font = [UIFont systemFontOfSize:11.0];
markLab.text = @"下限";
[self addSubview:markLab];
}
}
#pragma mark- 清空视图
- (void)clearView {
[self removeSubviews];
[self removeSublayers];
}
#pragma mark 移除 点击图层 、圆环 、数值标签
- (void)removeSubviews {
for (UIView *view in self.subviews) {
[view removeFromSuperview];
}
}
#pragma mark 移除折线
- (void)removeSublayers {
for (CALayer *layer in self.layer.sublayers) {
[layer removeFromSuperlayer];
}
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
// Drawing code
}
*/
@end