// The DataSource should return an NSDate that occurs inside the month to graph
- (NSDate *)monthForGraph;

// The day variable is an integer from 1 to the last day of the month given by monthForGraph
// Return the value to graph for each calendar day or 0.
- (NSInteger)valueForDay:(NSUInteger)day;

// Defines the number of distinct colors in the graph
- (NSUInteger)numberOfGrades;

// Defines what color should be used by each grade.
- (UIColor *)colorForGrade:(NSUInteger)grade;

// Defines the cutoff values used for translating values into grades.
// For example, you may want different grades for the values grade == 0, 1 <= grade < 5, 5 <= grade.
// This means there are three grades total
// The minimumValue for the first grade is 0, the minimum for the second grade is 1, and the minimum for the third grade is 5
- (NSInteger)minimumValueForGrade:(NSUInteger)grade;

- (void)dateTapped:(NSDictionary *)dict;

#pragma mark - TEAContributionGraphDataSource Methods

- (void)dateTapped:(NSDictionary *)dict
{
    NSLog(@"date: %@ -- value: %@", dict[@"date"], dict[@"value"]);
}

- (NSDate *)monthForGraph
{
    // Graph the current month
    return [NSDate date];
}

- (NSInteger)valueForDay:(NSUInteger)day
{
    // Return 0-5
    return day % 6;
}

// This sample uses Storyboard
@property (weak, nonatomic) IBOutlet TEAClockChart *clockChart;

self.clockChart.data = @[
    [TEATimeRange timeRangeWithStart:[NSDate date] end:[NSDate dateWithTimeIntervalSinceNow:3600]],
    // ...
];

#import "TEAChart.h"

TEABarChart *barChart = [[TEABarChart alloc] initWithFrame:CGRectMake(20, 20, 100, 40)];
barChart.data = @[@2, @7, @1, @8, @2, @8];
[self.view addSubview:barChart];

#import "TEAChart.h"

TEABarChart *barChart = [[TEABarChart alloc] initWithFrame:CGRectMake(20, 20, 100, 40)];
barChart.barColors = @[[UIColor orangeColor], [UIColor yellowColor], [UIColor greenColor], [UIColor blueColor]];
barChart.data = @[@2, @7, @1, @8, @2, @8];
[self.view addSubview:barChart];

barChart.xLabels = @[@"A", @"B", @"C", @"D", @"E", @"F"];