//
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// JHPieChart.m
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// JHCALayer
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//
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// Created by cjatech-简豪 on 16/5/3.
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// Copyright © 2016年 JH. All rights reserved.
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//
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#import "JHPieChart.h"
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#import "JHPieItemsView.h"
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#import "JHPieForeBGView.h"
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#import "JHShowInfoView.h"
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#define k_COLOR_STOCK @[[UIColor colorWithRed:244/255.0 green:161/255.0 blue:100/255.0 alpha:1],[UIColor colorWithRed:87/255.0 green:255/255.0 blue:191/255.0 alpha:1],[UIColor colorWithRed:254/255.0 green:224/255.0 blue:90/255.0 alpha:1],[UIColor colorWithRed:240/255.0 green:58/255.0 blue:63/255.0 alpha:1],[UIColor colorWithRed:147/255.0 green:111/255.0 blue:255/255.0 alpha:1],[UIColor colorWithRed:255/255.0 green:255/255.0 blue:199/255.0 alpha:1],[UIColor colorWithRed:90/255.0 green:159/255.0 blue:229/255.0 alpha:1],[UIColor colorWithRed:100/255.0 green:230/255.0 blue:95/255.0 alpha:1],[UIColor colorWithRed:33/255.0 green:255/255.0 blue:255/255.0 alpha:1],[UIColor colorWithRed:249/255.0 green:110/255.0 blue:176/255.0 alpha:1],[UIColor colorWithRed:192/255.0 green:168/255.0 blue:250/255.0 alpha:1],[UIColor colorWithRed:166/255.0 green:134/255.0 blue:54/255.0 alpha:1],[UIColor colorWithRed:217/255.0 green:221/255.0 blue:228/255.0 alpha:1],[UIColor colorWithRed:99/255.0 green:106/255.0 blue:192/255.0 alpha:1]]
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@interface JHPieChart ()
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@property (nonatomic,strong) JHPieForeBGView * pieForeView;
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@property (assign , nonatomic) NSInteger allValueCount ;
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@property (nonatomic,strong) NSMutableArray * angleArr;
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@property (nonatomic,strong) NSMutableArray * countPreAngeleArr;
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@property (nonatomic,strong) NSMutableArray * layersArr;
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@property (assign , nonatomic) NSInteger saveIndex ;
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@property (assign , nonatomic) CGFloat chartArcLength ;
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@property (nonatomic,strong) JHShowInfoView * showInfoView;
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@end
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@implementation JHPieChart
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-(instancetype)init{
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if (self = [super init]) {
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_chartArcLength = 8.0;
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}
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return self;
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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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_chartArcLength = 8.0;
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}
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return self;
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}
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-(void)drawRect:(CGRect)rect{
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CGContextRef contex = UIGraphicsGetCurrentContext();
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if (_descArr.count==_valueArr.count&&_descArr.count>0) {
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NSArray *colors = nil;
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if (_colorArr.count==_valueArr.count) {
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colors = _colorArr;
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}else{
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colors = k_COLOR_STOCK;
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}
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for (NSInteger i = 0; i<_descArr.count; i++) {
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[self drawQuartWithColor:colors[i%colors.count] andBeginPoint:P_M(15+self.frame.size.width/2*(i%2), 20*(i/2 )+25+_chartArcLength*2) andContext:contex];
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CGFloat present = [_valueArr[i] floatValue]/_allValueCount*100;
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[self drawText:[NSString stringWithFormat:@"%@ 数量:% 3ld 占比:%.1f%c",_descArr[i],[_valueArr[i] integerValue],present,'%'] andContext:contex atPoint:P_M(30+self.frame.size.width/2*(i%2), 20*(i/2 )+25+_chartArcLength*2) WithColor:[UIColor blackColor] andTextFontSize:8];
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}
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}
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}
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- (void)drawText:(NSString *)text andContext:(CGContextRef )context atPoint:(CGPoint )rect WithColor:(UIColor *)color andTextFontSize:(CGFloat )fontSize{
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[[NSString stringWithFormat:@"%@",text] drawAtPoint:rect withAttributes:@{NSFontAttributeName:[UIFont fontWithName:@"CourierNewPSMT" size:fontSize],NSForegroundColorAttributeName:color}];
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[color setFill];
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CGContextDrawPath(context, kCGPathFill);
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}
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- (void)countAllValue{
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_allValueCount = 0;
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for (NSString *obj in _valueArr) {
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_allValueCount += obj.integerValue;
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}
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}
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- (void)countAllAngleDataArr{
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_angleArr = [NSMutableArray array];
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for (NSString *obj in _valueArr) {
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[_angleArr addObject:[NSNumber numberWithDouble:obj.floatValue*M_PI * 2/_allValueCount]];
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}
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_countPreAngeleArr = [NSMutableArray array];
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for (NSInteger i = 0; i<_angleArr.count; i++) {
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if (i==0) {
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[_countPreAngeleArr addObject:[NSNumber numberWithFloat:0]];
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}
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CGFloat angle = 0.0;
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for (NSInteger j = 0; j<=i; j++) {
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angle += [_angleArr[j] floatValue];
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}
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[_countPreAngeleArr addObject:[NSNumber numberWithFloat:angle]];
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}
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}
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-(void)showAnimation{
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if (_valueArr.count>0) {
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[self countAllValue];
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[self countAllAngleDataArr];
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_layersArr = [NSMutableArray array];
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CGFloat wid = self.frame.size.width-20;
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if (_descArr.count>0) {
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NSInteger i = _descArr.count/2 + _descArr.count%2;
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wid = self.frame.size.height - 10 - i*25;
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}
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_chartArcLength = wid/2;
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NSArray *colors = nil;
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if (_colorArr.count == _valueArr.count) {
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colors = _colorArr;
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}else{
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colors = k_COLOR_STOCK;
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}
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for (NSInteger i = 0; i<_countPreAngeleArr.count-1; i++) {
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JHPieItemsView *itemsView = [[JHPieItemsView alloc] initWithFrame:CGRectMake(10, 10, wid/2, wid/2) andBeginAngle:[_countPreAngeleArr[i] floatValue] andEndAngle:[_countPreAngeleArr[i+1] floatValue] andFillColor:colors[i%colors.count]];
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itemsView.center = CGPointMake(self.frame.size.width/2, 10+wid/2);
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itemsView.tag = i;
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[_layersArr addObject:itemsView];
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[self addSubview:itemsView];
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}
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_pieForeView = [[JHPieForeBGView alloc] initWithFrame:CGRectMake(10, 10, wid, wid)];
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_pieForeView.center = CGPointMake(self.frame.size.width/2, 10+wid/2);
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_pieForeView.backgroundColor = [UIColor clearColor];
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if (_showInfoView==nil) {
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_showInfoView = [[JHShowInfoView alloc] init];
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_showInfoView.hidden = YES;
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[_pieForeView addSubview:_showInfoView];
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}
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_pieForeView.select = ^(CGFloat angle,CGPoint p){
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[self judgeWhitchOneIsNowAngle:angle andShowPoint:p];
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};
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[self addSubview:_pieForeView];
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}
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[self setNeedsDisplay];
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}
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- (void)judgeWhitchOneIsNowAngle:(CGFloat )angel andShowPoint:(CGPoint)p{
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for (NSInteger i = 0; i<_countPreAngeleArr.count-1; i++) {
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if ([_countPreAngeleArr[i+1] floatValue]>=angel) {
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CGFloat NOW_ANGLE = [_countPreAngeleArr[i] floatValue]+[_angleArr[i] floatValue]/2;
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CGFloat standarSpa = _positionChangeLengthWhenClick;
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CGFloat spa = sin(NOW_ANGLE)*standarSpa;
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CGFloat xSpa = cos(NOW_ANGLE)*standarSpa;
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JHPieItemsView *itemsView = _layersArr[i];
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JHPieItemsView *saveItems = _layersArr[_saveIndex];
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CGFloat wid = self.frame.size.width-20;
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if (_descArr.count>0) {
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NSInteger i = _descArr.count/2 + _descArr.count%2;
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wid = self.frame.size.height - 10 - i*25;
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}
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NSArray *colors = nil;
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if (_colorArr.count == _valueArr.count) {
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colors = _colorArr;
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}else{
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colors = k_COLOR_STOCK;
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}
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CGFloat present = [_valueArr[i] floatValue]/_allValueCount*100;
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[UIView animateWithDuration:0.3 animations:^{
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if (_saveIndex==i) {
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if (saveItems.center.x==self.frame.size.width/2) {
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_showInfoView.hidden = NO;
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itemsView.center = CGPointMake(self.frame.size.width/2+xSpa, 10+wid/2+spa);
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[_showInfoView updateFrameTo:CGRectMake(p.x, p.y, _showInfoView.frame.size.width, _showInfoView.frame.size.height) andBGColor:colors[i%colors.count] andShowContentString:[NSString stringWithFormat:@"%@ 数量:% 3ld 占比:%.1f%c",_descArr[i],[_valueArr[i] integerValue],present,'%']];
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// _showInfoView.frame = C GRectMake(p.x, p.y, _showInfoView.frame.size.width, _showInfoView.frame.size.height);
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}else{
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_showInfoView.hidden = YES;
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saveItems.center = CGPointMake(self.frame.size.width/2, 10+wid/2);
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}
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}else{
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saveItems.center = CGPointMake(self.frame.size.width/2, 10+wid/2);
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_showInfoView.hidden = NO;
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[_showInfoView updateFrameTo:CGRectMake(p.x, p.y, _showInfoView.frame.size.width, _showInfoView.frame.size.height) andBGColor:colors[i%colors.count] andShowContentString:[NSString stringWithFormat:@"%@ 数量:% 3ld 占比:%.1f%c",_descArr[i],[_valueArr[i] integerValue],present,'%']];
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itemsView.center = CGPointMake(self.frame.size.width/2+xSpa, 10+wid/2+spa);
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}
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}];
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_saveIndex = i;
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break;
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}
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}
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}
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@end
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