// // BubbleChartViewController.m // ChartsDemo // // Bubble chart implementation: // Copyright 2015 Pierre-Marc Airoldi // Licensed under Apache License 2.0 // // https://github.com/danielgindi/Charts // #import "BubbleChartViewController.h" #import "ChartsDemo_iOS-Swift.h" @interface BubbleChartViewController () @property (nonatomic, strong) IBOutlet BubbleChartView *chartView; @property (nonatomic, strong) IBOutlet UISlider *sliderX; @property (nonatomic, strong) IBOutlet UISlider *sliderY; @property (nonatomic, strong) IBOutlet UITextField *sliderTextX; @property (nonatomic, strong) IBOutlet UITextField *sliderTextY; @end @implementation BubbleChartViewController - (void)viewDidLoad { [super viewDidLoad]; self.title = @"Bubble Chart"; self.options = @[ @{@"key": @"toggleValues", @"label": @"Toggle Values"}, @{@"key": @"toggleIcons", @"label": @"Toggle Icons"}, @{@"key": @"toggleHighlight", @"label": @"Toggle Highlight"}, @{@"key": @"animateX", @"label": @"Animate X"}, @{@"key": @"animateY", @"label": @"Animate Y"}, @{@"key": @"animateXY", @"label": @"Animate XY"}, @{@"key": @"saveToGallery", @"label": @"Save to Camera Roll"}, @{@"key": @"togglePinchZoom", @"label": @"Toggle PinchZoom"}, @{@"key": @"toggleAutoScaleMinMax", @"label": @"Toggle auto scale min/max"}, @{@"key": @"toggleData", @"label": @"Toggle Data"}, ]; _chartView.delegate = self; _chartView.chartDescription.enabled = NO; _chartView.drawGridBackgroundEnabled = NO; _chartView.dragEnabled = YES; [_chartView setScaleEnabled:YES]; _chartView.maxVisibleCount = 200; _chartView.pinchZoomEnabled = YES; ChartLegend *l = _chartView.legend; l.horizontalAlignment = ChartLegendHorizontalAlignmentRight; l.verticalAlignment = ChartLegendVerticalAlignmentTop; l.orientation = ChartLegendOrientationVertical; l.drawInside = NO; l.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:10.f]; ChartYAxis *yl = _chartView.leftAxis; yl.labelFont = [UIFont fontWithName:@"HelveticaNeue-Light" size:10.f]; yl.spaceTop = 0.3; yl.spaceBottom = 0.3; yl.axisMinimum = 0.0; // this replaces startAtZero = YES _chartView.rightAxis.enabled = NO; ChartXAxis *xl = _chartView.xAxis; xl.labelPosition = XAxisLabelPositionBottom; xl.labelFont = [UIFont fontWithName:@"HelveticaNeue-Light" size:10.f]; _sliderX.value = 10.0; _sliderY.value = 50.0; [self slidersValueChanged:nil]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - (void)updateChartData { if (self.shouldHideData) { _chartView.data = nil; return; } [self setDataCount:_sliderX.value range:_sliderY.value]; } - (void)setDataCount:(int)count range:(double)range { NSMutableArray *yVals1 = [[NSMutableArray alloc] init]; NSMutableArray *yVals2 = [[NSMutableArray alloc] init]; NSMutableArray *yVals3 = [[NSMutableArray alloc] init]; for (int i = 0; i < count; i++) { double val = (double) (arc4random_uniform(range)); double size = (double) (arc4random_uniform(range)); [yVals1 addObject:[[BubbleChartDataEntry alloc] initWithX:i y:val size:size icon: [UIImage imageNamed:@"icon"]]]; val = (double) (arc4random_uniform(range)); size = (double) (arc4random_uniform(range)); [yVals2 addObject:[[BubbleChartDataEntry alloc] initWithX:i y:val size:size icon: [UIImage imageNamed:@"icon"]]]; val = (double) (arc4random_uniform(range)); size = (double) (arc4random_uniform(range)); [yVals3 addObject:[[BubbleChartDataEntry alloc] initWithX:i y:val size:size]]; } BubbleChartDataSet *set1 = [[BubbleChartDataSet alloc] initWithEntries:yVals1 label:@"DS 1"]; set1.drawIconsEnabled = NO; [set1 setColor:ChartColorTemplates.colorful[0] alpha:0.50f]; [set1 setDrawValuesEnabled:YES]; BubbleChartDataSet *set2 = [[BubbleChartDataSet alloc] initWithEntries:yVals2 label:@"DS 2"]; set2.iconsOffset = CGPointMake(0, 15); [set2 setColor:ChartColorTemplates.colorful[1] alpha:0.50f]; [set2 setDrawValuesEnabled:YES]; BubbleChartDataSet *set3 = [[BubbleChartDataSet alloc] initWithEntries:yVals3 label:@"DS 3"]; [set3 setColor:ChartColorTemplates.colorful[2] alpha:0.50f]; [set3 setDrawValuesEnabled:YES]; NSMutableArray *dataSets = [[NSMutableArray alloc] init]; [dataSets addObject:set1]; [dataSets addObject:set2]; [dataSets addObject:set3]; BubbleChartData *data = [[BubbleChartData alloc] initWithDataSets:dataSets]; [data setDrawValues:NO]; [data setValueFont:[UIFont fontWithName:@"HelveticaNeue-Light" size:7.f]]; [data setHighlightCircleWidth: 1.5]; [data setValueTextColor:UIColor.whiteColor]; _chartView.data = data; } - (void)optionTapped:(NSString *)key { [super handleOption:key forChartView:_chartView]; } #pragma mark - Actions - (IBAction)slidersValueChanged:(id)sender { _sliderTextX.text = [@((int)_sliderX.value) stringValue]; _sliderTextY.text = [@((int)_sliderY.value) stringValue]; [self updateChartData]; } #pragma mark - ChartViewDelegate - (void)chartValueSelected:(ChartViewBase * __nonnull)chartView entry:(ChartDataEntry * __nonnull )entry dataSetIndex:(NSInteger)dataSetIndex highlight:(ChartHighlight * __nonnull)highlight { NSLog(@"chartValueSelected"); } - (void)chartValueNothingSelected:(ChartViewBase * __nonnull)chartView { NSLog(@"chartValueNothingSelected"); } @end