YearViewController.m

//
//  YearViewController.m
//  CalendarDemo - Graphical Calendars Library for iOS
//
//  Copyright (c) 2014-2015 Julien Martin. All rights reserved.
//

#import "YearViewController.h"
#import "NSCalendar+MGCAdditions.h"
#import "Constant.h"


@interface YearViewController ()

@property (nonatomic) NSDateFormatter *dateFormatter;

@end


@implementation YearViewController

- (MGCYearCalendarView*)yearCalendarView
{
    return (MGCYearCalendarView*)self.view;
}

- (NSDateFormatter*)dateFormatter
{
    if (!_dateFormatter) {
        _dateFormatter = [NSDateFormatter new];
        _dateFormatter.calendar = self.calendar;
        _dateFormatter.dateFormat = @"yyyy";
    }
    return _dateFormatter;
}

- (void)setCalendar:(NSCalendar*)calendar
{
    _calendar = calendar;
    self.yearCalendarView.calendar = calendar;
    self.dateFormatter.calendar = calendar;
}

#pragma mark - MGCYearCalendarViewDelegate

- (void)calendarYearViewDidScroll:(MGCYearCalendarView*)view
{
    NSDate *date = [self.yearCalendarView dateForMonthAtPoint:self.yearCalendarView.center];
    if (date) {
        [self.delegate calendarViewController:self didShowDate:date];
    }
}

- (void)calendarYearView:(MGCYearCalendarView *)view didSelectMonthAtDate:(NSDate*)date
{
    if ([self.delegate respondsToSelector:@selector(yearViewController:didSelectMonthAtDate:)]) {
        [self.delegate yearViewController:self didSelectMonthAtDate:date];
    }
}

#pragma mark - CalendarControllerNavigation

- (NSDate*)centerDate
{
	MGCDateRange *visibleRange = [self.yearCalendarView visibleMonthsRange];
	if (visibleRange) {
		NSUInteger monthCount = [self.calendar components:NSCalendarUnitMonth fromDate:visibleRange.start toDate:visibleRange.end options:0].month;
		NSDateComponents *comp = [NSDateComponents new];
		comp.month = monthCount / 2;
		NSDate *centerDate = [self.calendar dateByAddingComponents:comp toDate:visibleRange.start options:0];
		return [self.calendar mgc_startOfMonthForDate:centerDate];
	}
	return nil;
}

- (void)moveToDate:(NSDate*)date animated:(BOOL)animated
{
    [self.yearCalendarView scrollToDate:date animated:animated];
}

- (void)moveToNextPageAnimated:(BOOL)animated
{
    NSDateComponents *comps = [NSDateComponents new];
    comps.year = 1;
    NSDate *date = [self.calendar dateByAddingComponents:comps toDate:[self.yearCalendarView visibleMonthsRange].start options:0];
    [self moveToDate:date animated:animated];
}

- (void)moveToPreviousPageAnimated:(BOOL)animated
{
    NSDateComponents *comps = [NSDateComponents new];
    comps.year = -1;
    NSDate *date = [self.calendar dateByAddingComponents:comps toDate:[self.yearCalendarView visibleMonthsRange].start options:0];
    [self moveToDate:date animated:animated];
}

#pragma mark - UIViewController

- (void)loadView
{
    MGCYearCalendarView *view = [[MGCYearCalendarView alloc]initWithFrame:CGRectZero];
    view.autoresizingMask = UIViewAutoresizingFlexibleHeight|UIViewAutoresizingFlexibleWidth;
    self.view = view;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    self.yearCalendarView.delegate = self;
    self.yearCalendarView.calendar = self.calendar;
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
    [super willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration];
    [self.yearCalendarView setNeedsLayout];
}

#pragma mark - CalendYearViewDelegate

- (CGFloat)heightForYearHeaderInCalendarYearView:(MGCYearCalendarView *)view
{
    return 60;
}

- (NSAttributedString*)calendarYearView:(MGCYearCalendarView *)view headerTextForYearAtDate:(NSDate*)date
{
    UIFont *font ;
    if (isiPad) {
        //NSLog(@"---------------- iPAD ------------------");
        font = [UIFont fontWithName:@"HelveticaNeue-light" size:46];
    }
    else{
        //NSLog(@"---------------- iPhone ------------------");
        font = [UIFont fontWithName:@"HelveticaNeue-light" size:20];
    }
    self.dateFormatter.dateFormat = @"yyyy";
    NSString *year = [self.dateFormatter stringFromDate:date];
    
    NSMutableParagraphStyle* para = [NSMutableParagraphStyle new];
    para.firstLineHeadIndent = 10;
    para.lineBreakMode = NSLineBreakByWordWrapping;
    
    NSMutableAttributedString* str = [[NSMutableAttributedString alloc]initWithString:year attributes:@{ NSFontAttributeName:font, NSParagraphStyleAttributeName: para }];
    return str;
}

- (NSAttributedString*)calendarYearView:(MGCYearCalendarView *)view headerTextForMonthAtDate:(NSDate*)date
{
    self.dateFormatter.dateFormat = @"MMMM";
    NSString *month = [[self.dateFormatter stringFromDate:date]uppercaseString];
    
    NSMutableParagraphStyle *para = [NSMutableParagraphStyle new];
    para.lineBreakMode = NSLineBreakByTruncatingTail;
    
    UIFont *font;
    if (isiPad) {
        //NSLog(@"---------------- iPAD ------------------");
        font = [UIFont fontWithName:@"HelveticaNeue" size:22];
    }
    else{
        //NSLog(@"---------------- iPhone ------------------");
        font  = [UIFont fontWithName:@"HelveticaNeue" size:10];
    }
    NSMutableAttributedString* str = [[NSMutableAttributedString alloc]initWithString:month attributes:@{ NSFontAttributeName:font, NSForegroundColorAttributeName:[UIColor blueColor], NSParagraphStyleAttributeName: para }];
    return str;
}



@end