RK Bar Charts DataSource

# pragma mark - APCBarCharViewDataSource

- (NSInteger)barGraph:(APCLineGraphView *)graphView numberOfPointsInPlot:(NSInteger)plotIndex
{
    return 6;
}

- (NSInteger)numberOfPlotsInBarGraph:(APCLineGraphView *)graphView
{
    return 1;
}

- (APCStackedDataPoint *)barGraph:(APCLineGraphView *)graphView plot:(NSInteger)plotIndex valueForPointAtIndex:(NSInteger)pointIndex
{
    NSInteger random1 = arc4random() % 70;
    NSInteger random2 = arc4random() % 20;
    NSInteger random3 = arc4random() % 10;
    
    APCStackedDataPoint *stackedData = [[APCStackedDataPoint alloc] initWithStackedValues:@[@(random1), @(random3), @(random2)]];
    
    return stackedData;
    
}

- (CGFloat)maximumValueForBarGraph:(APCBarGraphView *)graphView
{
    return 100;
}

- (CGFloat)minimumValueForBarGraph:(APCBarGraphView *)graphView
{
    return 0;
}