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- //
- // RadarChartViewController.m
- // ChartsDemo
- //
- // Copyright 2015 Daniel Cohen Gindi & Philipp Jahoda
- // A port of MPAndroidChart for iOS
- // Licensed under Apache License 2.0
- //
- // https://github.com/danielgindi/Charts
- //
- #import "RadarChartViewController.h"
- #import "ChartsDemo_iOS-Swift.h"
- @interface RadarChartViewController () <ChartViewDelegate, ChartAxisValueFormatter>
- @property (nonatomic, strong) IBOutlet RadarChartView *chartView;
- @property (nonatomic, strong) NSArray<NSString *> *activities;
- @property (nonatomic, strong) UIColor *originalBarBgColor;
- @property (nonatomic, strong) UIColor *originalBarTintColor;
- @property (nonatomic) UIBarStyle originalBarStyle;
- @end
- @implementation RadarChartViewController
- - (void)viewDidLoad
- {
- [super viewDidLoad];
-
- self.activities = @[ @"Burger", @"Steak", @"Salad", @"Pasta", @"Pizza" ];
-
- self.title = @"Radar Chart";
-
- self.options = @[
- @{@"key": @"toggleValues", @"label": @"Toggle Values"},
- @{@"key": @"toggleHighlight", @"label": @"Toggle Highlight"},
- @{@"key": @"toggleHighlightCircle", @"label": @"Toggle highlight circle"},
- @{@"key": @"toggleXLabels", @"label": @"Toggle X-Values"},
- @{@"key": @"toggleYLabels", @"label": @"Toggle Y-Values"},
- @{@"key": @"toggleRotate", @"label": @"Toggle Rotate"},
- @{@"key": @"toggleFill", @"label": @"Toggle Fill"},
- @{@"key": @"animateX", @"label": @"Animate X"},
- @{@"key": @"animateY", @"label": @"Animate Y"},
- @{@"key": @"animateXY", @"label": @"Animate XY"},
- @{@"key": @"spin", @"label": @"Spin"},
- @{@"key": @"saveToGallery", @"label": @"Save to Camera Roll"},
- @{@"key": @"toggleData", @"label": @"Toggle Data"},
- ];
-
- _chartView.delegate = self;
-
- _chartView.chartDescription.enabled = NO;
- _chartView.webLineWidth = 1.0;
- _chartView.innerWebLineWidth = 1.0;
- _chartView.webColor = UIColor.lightGrayColor;
- _chartView.innerWebColor = UIColor.lightGrayColor;
- _chartView.webAlpha = 1.0;
-
- RadarMarkerView *marker = (RadarMarkerView *)[RadarMarkerView viewFromXibIn:[NSBundle mainBundle]];
- marker.chartView = _chartView;
- _chartView.marker = marker;
-
- ChartXAxis *xAxis = _chartView.xAxis;
- xAxis.labelFont = [UIFont fontWithName:@"HelveticaNeue-Light" size:9.f];
- xAxis.xOffset = 0.0;
- xAxis.yOffset = 0.0;
- xAxis.valueFormatter = self;
- xAxis.labelTextColor = UIColor.whiteColor;
-
- ChartYAxis *yAxis = _chartView.yAxis;
- yAxis.labelFont = [UIFont fontWithName:@"HelveticaNeue-Light" size:9.f];
- yAxis.labelCount = 5;
- yAxis.axisMinimum = 0.0;
- yAxis.axisMaximum = 80.0;
- yAxis.drawLabelsEnabled = NO;
-
- ChartLegend *l = _chartView.legend;
- l.horizontalAlignment = ChartLegendHorizontalAlignmentCenter;
- l.verticalAlignment = ChartLegendVerticalAlignmentTop;
- l.orientation = ChartLegendOrientationHorizontal;
- l.drawInside = NO;
- l.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:10.f];
- l.xEntrySpace = 7.0;
- l.yEntrySpace = 5.0;
- l.textColor = UIColor.whiteColor;
-
- [self updateChartData];
-
- [_chartView animateWithXAxisDuration:1.4 yAxisDuration:1.4 easingOption:ChartEasingOptionEaseOutBack];
- }
- - (void)viewWillAppear:(BOOL)animated
- {
- [super viewWillAppear:animated];
-
- [UIView animateWithDuration:0.15 animations:^{
- UINavigationBar *navigationBar = self.navigationController.navigationBar;
- self.originalBarBgColor = navigationBar.barTintColor;
- self.originalBarTintColor = navigationBar.tintColor;
- self.originalBarStyle = navigationBar.barStyle;
-
- navigationBar.barTintColor = self.view.backgroundColor;
- navigationBar.tintColor = UIColor.whiteColor;
- navigationBar.barStyle = UIBarStyleBlack;
- }];
- }
- - (void)viewWillDisappear:(BOOL)animated
- {
- [super viewWillDisappear:animated];
-
- [UIView animateWithDuration:0.15 animations:^{
- UINavigationBar *navigationBar = self.navigationController.navigationBar;
- navigationBar.barTintColor = self.originalBarBgColor;
- navigationBar.tintColor = self.originalBarTintColor;
- navigationBar.barStyle = self.originalBarStyle;
- }];
- }
- - (void)didReceiveMemoryWarning
- {
- [super didReceiveMemoryWarning];
- // Dispose of any resources that can be recreated.
- }
- - (void)updateChartData
- {
- if (self.shouldHideData)
- {
- _chartView.data = nil;
- return;
- }
-
- [self setChartData];
- }
- - (void)setChartData
- {
- double mult = 80;
- double min = 20;
- int cnt = 5;
-
- NSMutableArray *entries1 = [[NSMutableArray alloc] init];
- NSMutableArray *entries2 = [[NSMutableArray alloc] init];
-
- // NOTE: The order of the entries when being added to the entries array determines their position around the center of the chart.
- for (int i = 0; i < cnt; i++)
- {
- [entries1 addObject:[[RadarChartDataEntry alloc] initWithValue:(arc4random_uniform(mult) + min)]];
- [entries2 addObject:[[RadarChartDataEntry alloc] initWithValue:(arc4random_uniform(mult) + min)]];
- }
-
- RadarChartDataSet *set1 = [[RadarChartDataSet alloc] initWithEntries:entries1 label:@"Last Week"];
- [set1 setColor:[UIColor colorWithRed:103/255.0 green:110/255.0 blue:129/255.0 alpha:1.0]];
- set1.fillColor = [UIColor colorWithRed:103/255.0 green:110/255.0 blue:129/255.0 alpha:1.0];
- set1.drawFilledEnabled = YES;
- set1.fillAlpha = 0.7;
- set1.lineWidth = 2.0;
- set1.drawHighlightCircleEnabled = YES;
- [set1 setDrawHighlightIndicators:NO];
- RadarChartDataSet *set2 = [[RadarChartDataSet alloc] initWithEntries:entries2 label:@"This Week"];
- [set2 setColor:[UIColor colorWithRed:121/255.0 green:162/255.0 blue:175/255.0 alpha:1.0]];
- set2.fillColor = [UIColor colorWithRed:121/255.0 green:162/255.0 blue:175/255.0 alpha:1.0];
- set2.drawFilledEnabled = YES;
- set2.fillAlpha = 0.7;
- set2.lineWidth = 2.0;
- set2.drawHighlightCircleEnabled = YES;
- [set2 setDrawHighlightIndicators:NO];
-
- RadarChartData *data = [[RadarChartData alloc] initWithDataSets:@[set1, set2]];
- [data setValueFont:[UIFont fontWithName:@"HelveticaNeue-Light" size:8.f]];
- [data setDrawValues:NO];
- data.valueTextColor = UIColor.whiteColor;
-
- _chartView.data = data;
- }
- - (void)optionTapped:(NSString *)key
- {
- if ([key isEqualToString:@"toggleXLabels"])
- {
- _chartView.xAxis.drawLabelsEnabled = !_chartView.xAxis.isDrawLabelsEnabled;
-
- [_chartView.data notifyDataChanged];
- [_chartView notifyDataSetChanged];
- [_chartView setNeedsDisplay];
- return;
- }
-
- if ([key isEqualToString:@"toggleYLabels"])
- {
- _chartView.yAxis.drawLabelsEnabled = !_chartView.yAxis.isDrawLabelsEnabled;
- [_chartView setNeedsDisplay];
- return;
- }
- if ([key isEqualToString:@"toggleRotate"])
- {
- _chartView.rotationEnabled = !_chartView.isRotationEnabled;
- return;
- }
-
- if ([key isEqualToString:@"toggleFill"])
- {
- for (RadarChartDataSet *set in _chartView.data.dataSets)
- {
- set.drawFilledEnabled = !set.isDrawFilledEnabled;
- }
-
- [_chartView setNeedsDisplay];
- return;
- }
-
- if ([key isEqualToString:@"toggleHighlightCircle"])
- {
- for (RadarChartDataSet *set in _chartView.data.dataSets)
- {
- set.drawHighlightCircleEnabled = !set.drawHighlightCircleEnabled;
- }
-
- [_chartView setNeedsDisplay];
- return;
- }
-
- if ([key isEqualToString:@"animateX"])
- {
- [_chartView animateWithXAxisDuration:1.4];
- return;
- }
-
- if ([key isEqualToString:@"animateY"])
- {
- [_chartView animateWithYAxisDuration:1.4];
- return;
- }
-
- if ([key isEqualToString:@"animateXY"])
- {
- [_chartView animateWithXAxisDuration:1.4 yAxisDuration:1.4];
- return;
- }
-
- if ([key isEqualToString:@"spin"])
- {
- [_chartView spinWithDuration:2.0 fromAngle:_chartView.rotationAngle toAngle:_chartView.rotationAngle + 360.f easingOption:ChartEasingOptionEaseInCubic];
- return;
- }
-
- [super handleOption:key forChartView:_chartView];
- }
- #pragma mark - ChartViewDelegate
- - (void)chartValueSelected:(ChartViewBase * __nonnull)chartView entry:(ChartDataEntry * __nonnull)entry highlight:(ChartHighlight * __nonnull)highlight
- {
- NSLog(@"chartValueSelected");
- }
- - (void)chartValueNothingSelected:(ChartViewBase * __nonnull)chartView
- {
- NSLog(@"chartValueNothingSelected");
- }
- #pragma mark - IAxisValueFormatter
- - (NSString *)stringForValue:(double)value
- axis:(ChartAxisBase *)axis
- {
- return self.activities[(int) value % self.activities.count];
- }
- @end
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