287 lines
10 KiB
Objective-C
287 lines
10 KiB
Objective-C
//
|
|
// FullScreenExample.m
|
|
// FSCalendar
|
|
//
|
|
// Created by Wenchao Ding on 9/16/15.
|
|
// Copyright (c) 2015 Wenchao Ding. All rights reserved.
|
|
//
|
|
|
|
#import "FullScreenExampleViewController.h"
|
|
#import <EventKit/EventKit.h>
|
|
|
|
#import "FSCalendar.h"
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
@interface FullScreenExampleViewController()<FSCalendarDataSource,FSCalendarDelegate,FSCalendarDelegateAppearance>
|
|
|
|
@property (weak, nonatomic) FSCalendar *calendar;
|
|
|
|
@property (assign, nonatomic) BOOL showsLunar;
|
|
@property (assign, nonatomic) BOOL showsEvents;
|
|
|
|
@property (strong, nonatomic) NSCache *cache;
|
|
|
|
- (void)todayItemClicked:(id)sender;
|
|
- (void)lunarItemClicked:(id)sender;
|
|
- (void)eventItemClicked:(id)sender;
|
|
|
|
@property (strong, nonatomic) NSCalendar *lunarCalendar;
|
|
@property (strong, nonatomic) NSCalendar *gregorian;
|
|
@property (strong, nonatomic) NSDateFormatter *dateFormatter;
|
|
|
|
@property (strong, nonatomic) NSDate *minimumDate;
|
|
@property (strong, nonatomic) NSDate *maximumDate;
|
|
|
|
@property (strong, nonatomic) NSArray<NSString *> *lunarChars;
|
|
@property (strong, nonatomic) NSArray<EKEvent *> *events;
|
|
|
|
- (void)loadCalendarEvents;
|
|
- (nullable NSArray<EKEvent *> *)eventsForDate:(NSDate *)date;
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|
|
|
|
@implementation FullScreenExampleViewController
|
|
|
|
#pragma mark - Life cycle
|
|
|
|
- (instancetype)init
|
|
{
|
|
self = [super init];
|
|
if (self) {
|
|
self.title = @"FSCalendar";
|
|
_lunarCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierChinese];
|
|
_lunarCalendar.locale = [NSLocale localeWithLocaleIdentifier:@"zh-CN"];
|
|
_lunarChars = @[@"初一",@"初二",@"初三",@"初四",@"初五",@"初六",@"初七",@"初八",@"初九",@"初十",@"十一",@"十二",@"十三",@"十四",@"十五",@"十六",@"十七",@"十八",@"十九",@"二十",@"二一",@"二二",@"二三",@"二四",@"二五",@"二六",@"二七",@"二八",@"二九",@"三十"];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)loadView
|
|
{
|
|
UIView *view = [[UIView alloc] initWithFrame:[UIScreen mainScreen].bounds];
|
|
view.backgroundColor = [UIColor colorWithRed:0.95 green:0.95 blue:0.95 alpha:1.0];
|
|
self.view = view;
|
|
|
|
#define FULL_SCREEN 1
|
|
|
|
#if FULL_SCREEN
|
|
|
|
FSCalendar *calendar = [[FSCalendar alloc] initWithFrame:CGRectMake(0, self.navigationController.navigationBar.frame.size.height, self.view.bounds.size.width, self.view.bounds.size.height-self.navigationController.navigationBar.frame.size.height)];
|
|
calendar.backgroundColor = [UIColor whiteColor];
|
|
calendar.dataSource = self;
|
|
calendar.delegate = self;
|
|
calendar.pagingEnabled = NO; // important
|
|
calendar.allowsMultipleSelection = YES;
|
|
calendar.firstWeekday = 2;
|
|
calendar.placeholderType = FSCalendarPlaceholderTypeFillHeadTail;
|
|
calendar.appearance.caseOptions = FSCalendarCaseOptionsWeekdayUsesSingleUpperCase|FSCalendarCaseOptionsHeaderUsesUpperCase;
|
|
[self.view addSubview:calendar];
|
|
self.calendar = calendar;
|
|
|
|
#else
|
|
|
|
FSCalendar *calendar = [[FSCalendar alloc] initWithFrame:CGRectMake(0, self.navigationController.navigationBar.frame.size.height, self.view.bounds.size.width, 300)];
|
|
calendar.backgroundColor = [UIColor whiteColor];
|
|
calendar.dataSource = self;
|
|
calendar.delegate = self;
|
|
calendar.allowsMultipleSelection = YES;
|
|
calendar.firstWeekday = 2;
|
|
calendar.appearance.caseOptions = FSCalendarCaseOptionsWeekdayUsesSingleUpperCase|FSCalendarCaseOptionsHeaderUsesUpperCase;
|
|
[self.view addSubview:calendar];
|
|
self.calendar = calendar;
|
|
|
|
#endif
|
|
|
|
UIBarButtonItem *todayItem = [[UIBarButtonItem alloc] initWithTitle:@"Today" style:UIBarButtonItemStylePlain target:self action:@selector(todayItemClicked:)];
|
|
|
|
UIBarButtonItem *lunarItem = [[UIBarButtonItem alloc] initWithTitle:@"Lunar" style:UIBarButtonItemStylePlain target:self action:@selector(lunarItemClicked:)];
|
|
[lunarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor magentaColor]} forState:UIControlStateNormal];
|
|
|
|
UIBarButtonItem *eventItem = [[UIBarButtonItem alloc] initWithTitle:@"Event" style:UIBarButtonItemStylePlain target:self action:@selector(eventItemClicked:)];
|
|
[eventItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor purpleColor]} forState:UIControlStateNormal];
|
|
|
|
self.navigationItem.rightBarButtonItems = @[eventItem ,lunarItem, todayItem];
|
|
|
|
}
|
|
|
|
- (void)viewDidLoad
|
|
{
|
|
[super viewDidLoad];
|
|
|
|
self.gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
|
|
|
|
self.dateFormatter = [[NSDateFormatter alloc] init];
|
|
self.dateFormatter.dateFormat = @"yyyy-MM-dd";
|
|
|
|
self.minimumDate = [self.dateFormatter dateFromString:@"2016-02-03"];
|
|
self.maximumDate = [self.dateFormatter dateFromString:@"2018-04-10"];
|
|
|
|
self.calendar.accessibilityIdentifier = @"calendar";
|
|
|
|
[self loadCalendarEvents];
|
|
|
|
/*
|
|
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
|
|
self.minimumDate = [self.dateFormatter dateFromString:@"2015-02-01"];
|
|
self.maximumDate = [self.dateFormatter dateFromString:@"2015-06-10"];
|
|
[self.calendar reloadData];
|
|
});
|
|
*/
|
|
}
|
|
|
|
- (void)didReceiveMemoryWarning
|
|
{
|
|
[super didReceiveMemoryWarning];
|
|
[self.cache removeAllObjects];
|
|
}
|
|
|
|
- (void)viewWillLayoutSubviews
|
|
{
|
|
[super viewWillLayoutSubviews];
|
|
|
|
#if FULL_SCREEN
|
|
self.calendar.frame = CGRectMake(0, CGRectGetMaxY(self.navigationController.navigationBar.frame), self.view.bounds.size.width, self.view.bounds.size.height-CGRectGetMaxY(self.navigationController.navigationBar.frame));
|
|
#else
|
|
self.calendar.frame = CGRectMake(0, CGRectGetMaxY(self.navigationController.navigationBar.frame), self.view.bounds.size.width, 300);
|
|
#endif
|
|
}
|
|
|
|
- (void)dealloc
|
|
{
|
|
NSLog(@"%s",__FUNCTION__);
|
|
}
|
|
|
|
#pragma mark - Target actions
|
|
|
|
- (void)todayItemClicked:(id)sender
|
|
{
|
|
[self.calendar setCurrentPage:[NSDate date] animated:YES];
|
|
}
|
|
|
|
- (void)lunarItemClicked:(UIBarButtonItem *)item
|
|
{
|
|
self.showsLunar = !self.showsLunar;
|
|
[self.calendar reloadData];
|
|
}
|
|
|
|
- (void)eventItemClicked:(id)sender
|
|
{
|
|
self.showsEvents = !self.showsEvents;
|
|
[self.calendar reloadData];
|
|
}
|
|
|
|
#pragma mark - FSCalendarDataSource
|
|
|
|
- (NSDate *)minimumDateForCalendar:(FSCalendar *)calendar
|
|
{
|
|
return self.minimumDate;
|
|
}
|
|
|
|
- (NSDate *)maximumDateForCalendar:(FSCalendar *)calendar
|
|
{
|
|
return self.maximumDate;
|
|
}
|
|
|
|
- (NSString *)calendar:(FSCalendar *)calendar subtitleForDate:(NSDate *)date
|
|
{
|
|
if (_showsEvents) {
|
|
EKEvent *event = [self eventsForDate:date].firstObject;
|
|
if (event) {
|
|
return event.title;
|
|
}
|
|
}
|
|
if (_showsLunar) {
|
|
NSInteger day = [_lunarCalendar component:NSCalendarUnitDay fromDate:date];
|
|
return _lunarChars[day-1];
|
|
}
|
|
return nil;
|
|
}
|
|
|
|
#pragma mark - FSCalendarDelegate
|
|
|
|
- (void)calendar:(FSCalendar *)calendar didSelectDate:(NSDate *)date atMonthPosition:(FSCalendarMonthPosition)monthPosition
|
|
{
|
|
NSLog(@"did select %@",[self.dateFormatter stringFromDate:date]);
|
|
}
|
|
|
|
- (void)calendarCurrentPageDidChange:(FSCalendar *)calendar
|
|
{
|
|
NSLog(@"did change page %@",[self.dateFormatter stringFromDate:calendar.currentPage]);
|
|
}
|
|
|
|
- (NSInteger)calendar:(FSCalendar *)calendar numberOfEventsForDate:(NSDate *)date
|
|
{
|
|
if (!self.showsEvents) return 0;
|
|
if (!self.events) return 0;
|
|
NSArray<EKEvent *> *events = [self eventsForDate:date];
|
|
return events.count;
|
|
}
|
|
|
|
- (NSArray<UIColor *> *)calendar:(FSCalendar *)calendar appearance:(FSCalendarAppearance *)appearance eventDefaultColorsForDate:(NSDate *)date
|
|
{
|
|
if (!self.showsEvents) return nil;
|
|
if (!self.events) return nil;
|
|
NSArray<EKEvent *> *events = [self eventsForDate:date];
|
|
NSMutableArray<UIColor *> *colors = [NSMutableArray arrayWithCapacity:events.count];
|
|
[events enumerateObjectsUsingBlock:^(EKEvent * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
|
|
[colors addObject:[UIColor colorWithCGColor:obj.calendar.CGColor]];
|
|
}];
|
|
return colors.copy;
|
|
}
|
|
|
|
#pragma mark - Private methods
|
|
|
|
- (void)loadCalendarEvents
|
|
{
|
|
__weak typeof(self) weakSelf = self;
|
|
EKEventStore *store = [[EKEventStore alloc] init];
|
|
[store requestAccessToEntityType:EKEntityTypeEvent completion:^(BOOL granted, NSError *error) {
|
|
|
|
if(granted) {
|
|
NSDate *startDate = self.minimumDate;
|
|
NSDate *endDate = self.maximumDate;
|
|
NSPredicate *fetchCalendarEvents = [store predicateForEventsWithStartDate:startDate endDate:endDate calendars:nil];
|
|
NSArray<EKEvent *> *eventList = [store eventsMatchingPredicate:fetchCalendarEvents];
|
|
NSArray<EKEvent *> *events = [eventList filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(EKEvent * _Nullable event, NSDictionary<NSString *,id> * _Nullable bindings) {
|
|
return event.calendar.subscribed;
|
|
}]];
|
|
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
if (!weakSelf) return;
|
|
weakSelf.events = events;
|
|
[weakSelf.calendar reloadData];
|
|
});
|
|
|
|
} else {
|
|
|
|
// Alert
|
|
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Permission Error" message:@"Permission of calendar is required for fetching events." preferredStyle:UIAlertControllerStyleAlert];
|
|
[alertController addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleCancel handler:nil]];
|
|
[self presentViewController:alertController animated:YES completion:nil];
|
|
}
|
|
}];
|
|
|
|
}
|
|
|
|
- (NSArray<EKEvent *> *)eventsForDate:(NSDate *)date
|
|
{
|
|
NSArray<EKEvent *> *events = [self.cache objectForKey:date];
|
|
if ([events isKindOfClass:[NSNull class]]) {
|
|
return nil;
|
|
}
|
|
NSArray<EKEvent *> *filteredEvents = [self.events filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(EKEvent * _Nullable evaluatedObject, NSDictionary<NSString *,id> * _Nullable bindings) {
|
|
return [evaluatedObject.occurrenceDate isEqualToDate:date];
|
|
}]];
|
|
if (filteredEvents.count) {
|
|
[self.cache setObject:filteredEvents forKey:date];
|
|
} else {
|
|
[self.cache setObject:[NSNull null] forKey:date];
|
|
}
|
|
return filteredEvents;
|
|
}
|
|
|
|
@end
|