//
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// JHColumnChart.m
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// JHChartDemo
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//
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// Created by cjatech-简豪 on 16/5/10.
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// Copyright © 2016年 JH. All rights reserved.
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//
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#import "JHColumnChart.h"
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@interface JHColumnChart ()
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//背景图
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@property (nonatomic,strong)UIScrollView *BGScrollView;
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//峰值
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@property (nonatomic,assign) CGFloat maxHeight;
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//横向最大值
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@property (nonatomic,assign) CGFloat maxWidth;
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//Y轴辅助线数据源
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@property (nonatomic,strong)NSMutableArray * yLineDataArr;
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//所有的图层数组
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@property (nonatomic,strong)NSMutableArray * layerArr;
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//所有的柱状图数组
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@property (nonatomic,strong)NSMutableArray * showViewArr;
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@property (nonatomic,assign) CGFloat perHeight;
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@end
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@implementation JHColumnChart
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-(NSMutableArray *)showViewArr{
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if (!_showViewArr) {
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_showViewArr = [NSMutableArray array];
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}
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return _showViewArr;
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}
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-(NSMutableArray *)layerArr{
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if (!_layerArr) {
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_layerArr = [NSMutableArray array];
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}
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return _layerArr;
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}
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-(UIScrollView *)BGScrollView{
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if (!_BGScrollView) {
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_BGScrollView = [[UIScrollView alloc] initWithFrame:self.bounds];
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_BGScrollView.showsHorizontalScrollIndicator = NO;
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_bgVewBackgoundColor = _bgVewBackgoundColor;
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[self addSubview:_BGScrollView];
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}
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return _BGScrollView;
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}
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-(void)setBgVewBackgoundColor:(UIColor *)bgVewBackgoundColor{
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_bgVewBackgoundColor = bgVewBackgoundColor;
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self.BGScrollView.backgroundColor = _bgVewBackgoundColor;
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}
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-(NSMutableArray *)yLineDataArr{
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if (!_yLineDataArr) {
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_yLineDataArr = [NSMutableArray array];
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}
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return _yLineDataArr;
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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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_needXandYLine = YES;
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}
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return self;
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}
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-(void)setValueArr:(NSArray<NSArray *> *)valueArr{
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_valueArr = valueArr;
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CGFloat max = 0;
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for (NSArray *arr in _valueArr) {
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for (id number in arr) {
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CGFloat currentNumber = [NSString stringWithFormat:@"%@",number].floatValue;
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if (currentNumber>max) {
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max = currentNumber;
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}
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}
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}
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if (max<5.0) {
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_maxHeight = 5.0;
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}else if(max<10){
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_maxHeight = 10;
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}else{
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_maxHeight = max;
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}
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_maxHeight += 4;
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_perHeight = (CGRectGetHeight(self.frame) - 20 - _originSize.y)/_maxHeight;
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}
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-(void)showAnimation{
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[self clear];
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_columnWidth = (_columnWidth<=0?30:_columnWidth);
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NSInteger count = _valueArr.count * [_valueArr[0] count];
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_typeSpace = (_typeSpace<=0?15:_typeSpace);
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_maxWidth = count * _columnWidth + _valueArr.count * _typeSpace + _typeSpace + 40;
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self.BGScrollView.contentSize = CGSizeMake(_maxWidth, 0);
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self.BGScrollView.backgroundColor = _bgVewBackgoundColor;
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/* 绘制X、Y轴 可以在此改动X、Y轴字体大小 */
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if (_needXandYLine) {
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CAShapeLayer *layer = [CAShapeLayer layer];
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[self.layerArr addObject:layer];
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UIBezierPath *bezier = [UIBezierPath bezierPath];
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[bezier moveToPoint:CGPointMake(self.originSize.x, CGRectGetHeight(self.frame) - self.originSize.y)];
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[bezier addLineToPoint:P_M(self.originSize.x, 20)];
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[bezier moveToPoint:CGPointMake(self.originSize.x, CGRectGetHeight(self.frame) - self.originSize.y)];
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[bezier addLineToPoint:P_M(_maxWidth , CGRectGetHeight(self.frame) - self.originSize.y)];
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layer.path = bezier.CGPath;
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layer.strokeColor = (_colorForXYLine==nil?([UIColor blackColor].CGColor):_colorForXYLine.CGColor);
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CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
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basic.duration = 1.5;
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basic.fromValue = @(0);
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basic.toValue = @(1);
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basic.autoreverses = NO;
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basic.fillMode = kCAFillModeForwards;
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[layer addAnimation:basic forKey:nil];
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[self.BGScrollView.layer addSublayer:layer];
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// _maxHeight += 4;
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/* 设置虚线辅助线 */
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UIBezierPath *second = [UIBezierPath bezierPath];
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for (NSInteger i = 0; i<5; i++) {
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NSInteger pace = (_maxHeight) / 5;
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CGFloat height = _perHeight * (i+1)*pace;
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[second moveToPoint:P_M(_originSize.x, CGRectGetHeight(self.frame) - _originSize.y -height)];
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[second addLineToPoint:P_M(_maxWidth, CGRectGetHeight(self.frame) - _originSize.y - height)];
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CATextLayer *textLayer = [CATextLayer layer];
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textLayer.contentsScale = [UIScreen mainScreen].scale;
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NSString *text =[NSString stringWithFormat:@"%ld",(i + 1) * pace];
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CGFloat be = [self getTextWithWhenDrawWithText:text];
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textLayer.frame = CGRectMake(self.originSize.x - be - 3, CGRectGetHeight(self.frame) - _originSize.y -height - 5, be, 15);
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UIFont *font = [UIFont systemFontOfSize:7];
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CFStringRef fontName = (__bridge CFStringRef)font.fontName;
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CGFontRef fontRef = CGFontCreateWithFontName(fontName);
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textLayer.font = fontRef;
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textLayer.fontSize = font.pointSize;
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CGFontRelease(fontRef);
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textLayer.string = text;
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textLayer.foregroundColor = (_drawTextColorForX_Y==nil?[UIColor blackColor].CGColor:_drawTextColorForX_Y.CGColor);
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[_BGScrollView.layer addSublayer:textLayer];
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[self.layerArr addObject:textLayer];
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}
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CAShapeLayer *shapeLayer = [CAShapeLayer layer];
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shapeLayer.path = second.CGPath;
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shapeLayer.strokeColor = (_dashColor==nil?([UIColor greenColor].CGColor):_dashColor.CGColor);
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shapeLayer.lineWidth = 0.5;
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[shapeLayer setLineDashPattern:@[@(3),@(3)]];
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CABasicAnimation *basic2 = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
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basic2.duration = 1.5;
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basic2.fromValue = @(0);
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basic2.toValue = @(1);
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basic2.autoreverses = NO;
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basic2.fillMode = kCAFillModeForwards;
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[shapeLayer addAnimation:basic2 forKey:nil];
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[self.BGScrollView.layer addSublayer:shapeLayer];
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[self.layerArr addObject:shapeLayer];
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}
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/* 绘制X轴提示语 不管是否设置了是否绘制X、Y轴 提示语都应有 */
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if (_xShowInfoText.count == _valueArr.count&&_xShowInfoText.count>0) {
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NSInteger count = [_valueArr[0] count];
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for (NSInteger i = 0; i<_xShowInfoText.count; i++) {
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CATextLayer *textLayer = [CATextLayer layer];
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CGFloat wid = count * _columnWidth;
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CGSize size = [_xShowInfoText[i] boundingRectWithSize:CGSizeMake(wid, MAXFLOAT) options:NSStringDrawingUsesFontLeading|NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingTruncatesLastVisibleLine attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:9]} context:nil].size;
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textLayer.frame = CGRectMake( i * (count * _columnWidth + _typeSpace) + _typeSpace + _originSize.x, CGRectGetHeight(self.frame) - _originSize.y+5,wid, size.height);
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textLayer.string = _xShowInfoText[i];
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textLayer.contentsScale = [UIScreen mainScreen].scale;
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UIFont *font = [UIFont systemFontOfSize:9];
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textLayer.fontSize = font.pointSize;
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textLayer.foregroundColor = _drawTextColorForX_Y.CGColor;
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textLayer.alignmentMode = kCAAlignmentCenter;
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[_BGScrollView.layer addSublayer:textLayer];
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[self.layerArr addObject:textLayer];
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}
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}
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/* 动画展示 */
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for (NSInteger i = 0; i<_valueArr.count; i++) {
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NSArray *arr = _valueArr[i];
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for (NSInteger j = 0; j<arr.count; j++) {
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CGFloat height =[arr[j] floatValue] *_perHeight;
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UIView *itemsView = [UIView new];
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[self.showViewArr addObject:itemsView];
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itemsView.frame = CGRectMake((i * arr.count + j)*_columnWidth + i*_typeSpace+_originSize.x + _typeSpace, CGRectGetHeight(self.frame) - _originSize.y-1, _columnWidth, 0);
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itemsView.backgroundColor = (UIColor *)(_columnBGcolorsArr.count<arr.count?[UIColor greenColor]:_columnBGcolorsArr[j]);
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[UIView animateWithDuration:1 animations:^{
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itemsView.frame = CGRectMake((i * arr.count + j)*_columnWidth + i*_typeSpace+_originSize.x + _typeSpace, CGRectGetHeight(self.frame) - height - _originSize.y -1, _columnWidth, height);
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} completion:^(BOOL finished) {
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/* 动画结束后添加提示文字 */
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if (finished) {
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CATextLayer *textLayer = [CATextLayer layer];
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[self.layerArr addObject:textLayer];
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NSString *str = [NSString stringWithFormat:@"%@",arr[j]];
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CGSize size = [str boundingRectWithSize:CGSizeMake(_columnWidth, MAXFLOAT) options:NSStringDrawingUsesFontLeading|NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingTruncatesLastVisibleLine attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:9]} context:nil].size;
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textLayer.frame = CGRectMake((i * arr.count + j)*_columnWidth + i*_typeSpace+_originSize.x + _typeSpace, CGRectGetHeight(self.frame) - height - _originSize.y -3 - size.width, _columnWidth, size.height);
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textLayer.string = str;
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textLayer.fontSize = 9.0;
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textLayer.alignmentMode = kCAAlignmentCenter;
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textLayer.contentsScale = [UIScreen mainScreen].scale;
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textLayer.foregroundColor = itemsView.backgroundColor.CGColor;
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[_BGScrollView.layer addSublayer:textLayer];
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}
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}];
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[self.BGScrollView addSubview:itemsView];
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}
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}
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}
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-(void)clear{
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for (CALayer *lay in self.layerArr) {
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[lay removeAllAnimations];
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[lay removeFromSuperlayer];
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}
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for (UIView *subV in self.showViewArr) {
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[subV removeFromSuperview];
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}
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}
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@end
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