//
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// JHRadarChart.m
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// JHChartDemo
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//
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// Created by 简豪 on 16/9/9.
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// Copyright © 2016年 JH. All rights reserved.
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//
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#import "JHRadarChart.h"
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@interface JHRadarChart ()
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@property (nonatomic,assign)CGFloat chartRadius;
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@property (nonatomic,strong)NSMutableArray * drawPointArray;
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@property (nonatomic,strong)NSMutableArray * baseDrawPointArray;
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@end
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@implementation JHRadarChart
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-(NSMutableArray *)drawPointArray{
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if (!_drawPointArray) {
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_drawPointArray = [NSMutableArray array];
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}
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return _drawPointArray;
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}
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-(NSMutableArray *)baseDrawPointArray{
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if (!_baseDrawPointArray) {
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_baseDrawPointArray = [NSMutableArray array];
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}
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return _baseDrawPointArray;
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}
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-(void)setLayerCount:(NSInteger)layerCount{
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if (layerCount<=0) {
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return;
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}
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_layerCount = layerCount;
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}
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-(instancetype)initWithFrame:(CGRect)frame{
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if (self = [super initWithFrame:frame]) {
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self.layerCount = 3;
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self.chartRadius = (self.frame.size.height - 50 * 2) / 2.0;
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self.chartOrigin = CGPointMake(CGRectGetWidth(self.frame) / 2.0, CGRectGetHeight(self.frame) / 2.0);
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self.layerFillColor = [UIColor colorWithWhite:0.5 alpha:0.3];
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self.layerBoardColor = [UIColor colorWithWhite:0.5 alpha:0.3];
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self.speraLineColor = [UIColor whiteColor];
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self.perfectNumber = 100.0;
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self.descTextFont = [UIFont systemFontOfSize:14];
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self.descTextColor = [UIColor darkGrayColor];
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}
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return self;
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}
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/**
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* 初始化点数组
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*/
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- (void)configDrawingData{
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if (self.valueDataArray.count==0) {
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return;
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}
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CGFloat perAngle = M_PI * 2 / self.valueDescArray.count;
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for (NSInteger i = 0; i<self.valueDataArray.count; i++) {
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NSArray *valueArray = [self.valueDataArray objectAtIndex:i];
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NSMutableArray *cacheArray = [NSMutableArray array];
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for (NSInteger j = 0; j<valueArray.count; j++) {
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CGFloat value = [[valueArray objectAtIndex:j] floatValue];
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value = (value>self.perfectNumber?self.perfectNumber:value);
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CGPoint cachePoint = CGPointMake(self.chartOrigin.x + value / self.perfectNumber * self.chartRadius * sin(j * perAngle), self.chartOrigin.y - value / self.perfectNumber * self.chartRadius * cos(j * perAngle));
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[cacheArray addObject:[NSValue valueWithCGPoint:cachePoint]];
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}
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[self.drawPointArray addObject:[cacheArray copy]];
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}
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}
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- (void)configBaseViewDataArray{
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[self.baseDrawPointArray removeAllObjects];
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CGFloat perLength = self.chartRadius / self.layerCount;
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CGFloat perAngle = M_PI * 2 / self.valueDescArray.count;
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for (NSInteger i = 0; i<self.layerCount; i++) {
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NSMutableArray *cacheArray = [NSMutableArray array];
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CGFloat cacheLength = (i+1) * perLength;
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for (NSInteger j = 0; j<self.valueDescArray.count; j++) {
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CGPoint cachePoint = CGPointMake(self.chartOrigin.x + cacheLength * sin(j * perAngle) , self.chartOrigin.y - cacheLength * cos(j * perAngle));
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// NSLog(@"-----%-----i== %ld ======%@",j * perAngle,i,NSStringFromCGPoint(cachePoint));
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NSValue *cacheValue = [NSValue valueWithCGPoint:cachePoint];
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[cacheArray addObject:cacheValue];
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if (i==0) {
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CGFloat width = [self sizeOfStringWithMaxSize:CGSizeMake(100, 20) textFont:self.descTextFont.pointSize aimString:self.valueDescArray[j]].width;
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UILabel *cacheLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, width, 20)];
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cacheLabel.font = self.descTextFont;
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cacheLabel.center = CGPointMake(self.chartOrigin.x + (self.chartRadius + width / 2 + 5) * sin(j * perAngle) ,self.chartOrigin.y - (self.chartRadius + 20 / 2 + 5) * cos(j * perAngle));
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cacheLabel.text = self.valueDescArray[j];
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cacheLabel.textColor = self.descTextColor;
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[self addSubview:cacheLabel];
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}
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}
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[self.baseDrawPointArray addObject:[cacheArray copy]];
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[cacheArray removeAllObjects];
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}
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}
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/**
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* 添加基本的视图模块
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*/
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- (void)drawBaseView{
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for (NSInteger i = self.baseDrawPointArray.count-1; i>=0; i--) {
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CAShapeLayer *shapeLayer = [CAShapeLayer layer];
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UIBezierPath *path = [UIBezierPath bezierPath];
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NSArray * cacheArray = [self.baseDrawPointArray objectAtIndex:i];
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for (NSInteger j = 0; j<cacheArray.count; j++) {
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NSValue *cacheValue = [cacheArray objectAtIndex:j];
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CGPoint currentCachePoint = [cacheValue CGPointValue];
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NSLog(@"i== %ld ======%@",i,NSStringFromCGPoint(currentCachePoint));
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if (j==0) {
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[path moveToPoint:currentCachePoint];
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}else if(j==cacheArray.count){
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[path addLineToPoint:currentCachePoint];
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[path moveToPoint:currentCachePoint];
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}else{
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[path addLineToPoint:currentCachePoint];
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}
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}
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[path closePath];
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shapeLayer.path = path.CGPath;
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shapeLayer.fillColor = self.layerFillColor.CGColor;
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shapeLayer.strokeColor = self.layerBoardColor.CGColor;
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[self.layer addSublayer:shapeLayer];
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}
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CAShapeLayer *shapeLayer = [CAShapeLayer layer];
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UIBezierPath *path = [UIBezierPath bezierPath];
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[path closePath];
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[path moveToPoint:self.chartOrigin];
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NSMutableArray * cacheArray = [self.baseDrawPointArray lastObject];
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for (NSInteger j = 0; j<cacheArray.count; j++) {
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NSValue *cacheValue = [cacheArray objectAtIndex:j];
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CGPoint currentCachePoint = [cacheValue CGPointValue];
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[path addLineToPoint:currentCachePoint];
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[path moveToPoint:self.chartOrigin];
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}
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shapeLayer.path = path.CGPath;
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shapeLayer.strokeColor = self.speraLineColor.CGColor;
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[self.layer addSublayer:shapeLayer];
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}
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- (void)drawValueView{
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if (self.drawPointArray.count==0) {
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return;
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}
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for (NSInteger i = 0 ; i<self.drawPointArray.count; i++) {
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NSArray *cacheArray = [self.drawPointArray objectAtIndex:i];
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UIBezierPath *path = [UIBezierPath bezierPath];
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for (NSInteger j = 0; j<cacheArray.count; j++) {
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if (j==0) {
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[path moveToPoint:[[cacheArray objectAtIndex:j] CGPointValue]];
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}else{
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[path addLineToPoint:[[cacheArray objectAtIndex:j] CGPointValue]];
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}
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}
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[path closePath];
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CAShapeLayer *shaper = [CAShapeLayer layer];
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shaper.path = path.CGPath;
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shaper.borderWidth = 1.0;
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UIColor *cacheColor = [UIColor clearColor];
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if (self.valueDrawFillColorArray.count>i) {
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cacheColor = self.valueDrawFillColorArray[i];
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}
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shaper.fillColor = cacheColor.CGColor;
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if (self.valueBoardColorArray.count>i) {
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cacheColor = self.valueBoardColorArray[i];
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}else{
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cacheColor = [UIColor clearColor];
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}
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shaper.strokeColor = cacheColor.CGColor;
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[self.layer addSublayer:shaper];
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}
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}
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-(void)showAnimation{
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[self configBaseViewDataArray];
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[self configDrawingData];
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[self drawBaseView];
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[self drawValueView];
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}
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@end
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