#import "HWDatePicker.h"

CGSize screenSize = [UIScreen mainScreen].bounds.size;

HWDatePicker *datePicker = [[HWDatePicker alloc] initWithFrame:CGRectMake(0, screenSize.height - 300, screenSize.width, 300)];
datePicker.backgroundColor = [UIColor whiteColor];
datePicker.dateFormatter = @"YYYY年/MM月/dd日/HH时/mm分"; // 可不设置，有默认值
datePicker.minimumDate = [NSDate date]; // 可不设置
datePicker.maximumDate = [[NSDate date] dateByAddingTimeInterval:24 * 3600 * 10]; // 可不设置
datePicker.delegate = self; // 可不设置

[self.view addSubview:datePicker];

#pragma mark HWDatePickerDelegate

- (CGFloat)pickerView:(HWDatePicker *)pickerView rowHeightForComponent:(NSInteger)component
{
    return 44;
}

- (NSDictionary *)pickerView:(HWDatePicker *)pickerView textAttributeForRow:(NSInteger)row forComponent:(NSInteger)component
{
    if (component == 0) {
        return @{NSForegroundColorAttributeName : [UIColor blueColor], NSFontAttributeName : [UIFont boldSystemFontOfSize:18]};
    } else if (component == 1) {
        return @{NSForegroundColorAttributeName : [UIColor greenColor]};
    } else if (component == 2) {
        return @{NSForegroundColorAttributeName : [UIColor redColor]};
    } else if (component == 3) {
        return @{NSForegroundColorAttributeName : [UIColor orangeColor]};
    } else if (component == 4) {
        return @{NSForegroundColorAttributeName : [UIColor purpleColor]};
    }
    return nil;
}

- (void)pickerViewSelectDateDidChanged:(HWDatePicker *)pickerView newDate:(NSDate *)newDate
{
    NSLog(@"new date : %@", newDate);
}