add note label for each day

PDTSimpleCalendar/PDTSimpleCalendarViewCell.h

@@ -47,6 +47,17 @@
  */
 - (UIColor *)simpleCalendarViewCell:(PDTSimpleCalendarViewCell *)cell circleColorForDate:(NSDate *)date;
 
+/**
+ *  Asks the delegate for the note for a specific date.
+ *  Will be called only if the delegate returns YES for `- (BOOL)simpleCalendarViewCell:(PDTSimpleCalendarViewCell *)cell shouldUseCustomColorsForDate:(NSDate *)date;`
+ *
+ *  @param cell the current cell
+ *  @param date the date associated with the cell
+ *
+ *  @return The note
+ */
+- (NSString *)simpleCalendarViewCell:(PDTSimpleCalendarViewCell *)cell noteForDate:(NSDate *)date;
+
 @end
 
 /**
@@ -107,6 +118,11 @@
  */
 @property (nonatomic, strong) UIFont *textDefaultFont UI_APPEARANCE_SELECTOR;
 
+/**
+ *  Customize the note's font using UIAppearance.
+ */
+@property (nonatomic, strong) UIFont *noteFont UI_APPEARANCE_SELECTOR;
+
 /**
  * Set the date for this cell
  *
@@ -116,6 +132,13 @@
  */
 - (void)setDate:(NSDate*)date calendar:(NSCalendar*)calendar;
 
+/**
+ * Set note for this cell
+ *
+ * @param noteText the note.
+ */
+- (void)setNote:(NSString *)noteText;
+
 /**
  *  Force the refresh of the colors for the circle and the text
  */

PDTSimpleCalendar/PDTSimpleCalendarViewCell.m

@@ -12,6 +12,7 @@
 
 @interface PDTSimpleCalendarViewCell ()
 
+@property (nonatomic, strong) UILabel *noteLabel;
 @property (nonatomic, strong) UILabel *dayLabel;
 @property (nonatomic, strong) NSDate *date;
 
@@ -72,6 +73,22 @@ - (id)initWithFrame:(CGRect)frame
     if (self) {
         _date = nil;
         _isToday = NO;
+
+        _noteLabel = [[UILabel alloc] init];
+        [self.noteLabel setFont:[UIFont systemFontOfSize:10.0]];
+        [self.noteLabel setTextAlignment:NSTextAlignmentCenter];
+        [self.contentView addSubview:self.noteLabel];
+
+        //Add the Constraints
+        [self.noteLabel setTranslatesAutoresizingMaskIntoConstraints:NO];
+        [self.noteLabel setBackgroundColor:[UIColor clearColor]];
+        self.noteLabel.layer.masksToBounds = YES;
+
+        [self.contentView addConstraint:[NSLayoutConstraint constraintWithItem:self.noteLabel attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:0.0]];
+        [self.contentView addConstraint:[NSLayoutConstraint constraintWithItem:self.noteLabel attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeCenterY multiplier:2.0 constant:0.0]];
+        [self.contentView addConstraint:[NSLayoutConstraint constraintWithItem:self.noteLabel attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeHeight multiplier:0.3 constant:0.0]];
+        [self.contentView addConstraint:[NSLayoutConstraint constraintWithItem:self.noteLabel attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeWidth multiplier:0.9 constant:0.0]];
+
         _dayLabel = [[UILabel alloc] init];
         [self.dayLabel setFont:[self textDefaultFont]];
         [self.dayLabel setTextAlignment:NSTextAlignmentCenter];
@@ -124,6 +141,7 @@ - (void)setCircleColor:(BOOL)today selected:(BOOL)selected
 {
     UIColor *circleColor = (today) ? [self circleTodayColor] : [self circleDefaultColor];
     UIColor *labelColor = (today) ? [self textTodayColor] : [self textDefaultColor];
+    NSString *note = @"";
 
     if (self.date && self.delegate) {
         if ([self.delegate respondsToSelector:@selector(simpleCalendarViewCell:shouldUseCustomColorsForDate:)] && [self.delegate simpleCalendarViewCell:self shouldUseCustomColorsForDate:self.date]) {
@@ -135,6 +153,10 @@ - (void)setCircleColor:(BOOL)today selected:(BOOL)selected
             if ([self.delegate respondsToSelector:@selector(simpleCalendarViewCell:circleColorForDate:)] && [self.delegate simpleCalendarViewCell:self circleColorForDate:self.date]) {
                 circleColor = [self.delegate simpleCalendarViewCell:self circleColorForDate:self.date];
             }
+
+            if ([self.delegate respondsToSelector:@selector(simpleCalendarViewCell:noteForDate:)] && [self.delegate simpleCalendarViewCell:self noteForDate:self.date]) {
+                note = [self.delegate simpleCalendarViewCell:self noteForDate:self.date];
+            }
         }
     }
 
@@ -147,6 +169,16 @@ - (void)setCircleColor:(BOOL)today selected:(BOOL)selected
     [self.dayLabel setTextColor:labelColor];
 }
 
+- (void)setNote:(NSString *)noteText
+{
+    if (noteText == nil || noteText.length == 0) {
+        [self.noteLabel setHidden:YES];
+    } else {
+        [self.noteLabel setHidden:NO];
+        [self.noteLabel setText:noteText];
+    }
+}
+
 
 - (void)refreshCellColors
 {
@@ -161,6 +193,7 @@ - (void)prepareForReuse
     [super prepareForReuse];
     _date = nil;
     _isToday = NO;
+    [self.noteLabel setHidden:YES];
     [self.dayLabel setText:@""];
     [self.dayLabel setBackgroundColor:[self circleDefaultColor]];
     [self.dayLabel setTextColor:[self textDefaultColor]];
@@ -277,4 +310,17 @@ - (UIFont *)textDefaultFont
     return [UIFont systemFontOfSize:17.0];
 }
 
+- (UIFont *)noteFont
+{
+    if(_noteFont == nil) {
+        _noteFont = [[[self class] appearance] noteFont];
+    }
+
+    if (_noteFont != nil) {
+        return _noteFont;
+    }
+
+    return [UIFont systemFontOfSize:10.0];
+}
+
 @end

PDTSimpleCalendar/PDTSimpleCalendarViewController.h

@@ -154,4 +154,12 @@
  */
 - (UIColor *)simpleCalendarViewController:(PDTSimpleCalendarViewController *)controller textColorForDate:(NSDate *)date;
 
+/**
+ *  Asks the delegate for the note for a custom added date
+ *
+ *  @param controller the calendarView Controller
+ *  @param date       the date (Midnight GMT)
+ */
+- (NSString *)simpleCalendarViewController:(PDTSimpleCalendarViewController *)controller noteForDate:(NSDate *)date;
+
 @end;

PDTSimpleCalendar/PDTSimpleCalendarViewController.m

@@ -376,6 +376,7 @@ - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cell
         isSelected = ([self isSelectedDate:cellDate] && (indexPath.section == [self sectionForDate:cellDate]));
         isToday = [self isTodayDate:cellDate];
         [cell setDate:cellDate calendar:self.calendar];
+        [cell setNote:[self.delegate simpleCalendarViewController:self noteForDate:cellDate]];
 
         //Ask the delegate if this date should have specific colors.
         if ([self.delegate respondsToSelector:@selector(simpleCalendarViewController:shouldUseCustomColorsForDate:)]) {
@@ -638,4 +639,17 @@ - (UIColor *)simpleCalendarViewCell:(PDTSimpleCalendarViewCell *)cell textColorF
     return nil;
 }
 
+- (NSString *)simpleCalendarViewCell:(PDTSimpleCalendarViewCell *)cell noteForDate:(NSDate *)date
+{
+    if (![self isEnabledDate:date]) {
+        return @"";
+    }
+
+    if ([self.delegate respondsToSelector:@selector(simpleCalendarViewController:noteForDate:)]) {
+        return [self.delegate simpleCalendarViewController:self noteForDate:date];
+    }
+
+    return nil;
+}
+
 @end

PDTSimpleCalendarDemo/PDTSimpleCalendarDemo/PDTAppDelegate.m

@@ -143,6 +143,27 @@ - (UIColor *)simpleCalendarViewController:(PDTSimpleCalendarViewController *)con
     return [UIColor orangeColor];
 }
 
+- (NSString *)simpleCalendarViewController:(PDTSimpleCalendarViewController *)controller noteForDate:(NSDate *)date
+{
+    static NSString *todayStr = nil;
+    static NSDateFormatter *formatter = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        formatter = [[NSDateFormatter alloc] init];
+        [formatter setDateFormat:@"yyyy-MM-dd"];
+
+        todayStr = [formatter stringFromDate:[NSDate date]];
+    });
+
+    NSString *dateStr = [formatter stringFromDate:date];
+
+    if ([dateStr isEqualToString:todayStr]) {
+        return @"today";
+    } else {
+        return nil;
+    }
+}
+
 #pragma mark - Private
 
 //Add 3 custom dates, the 15th for the current & 2 next months.