General fixes for #74 & #50

Pickers/ActionSheetDatePicker.h

@@ -29,17 +29,24 @@
 
 @class ActionSheetDatePicker;
 
-typedef void(^ActionDateDoneBlock)(ActionSheetDatePicker *picker, NSDate *selectedDate, id origin);
+typedef void(^ActionDateDoneBlock)(ActionSheetDatePicker *picker, id selectedDate, id origin); //selectedDate is NSDate or NSNumber for "UIDatePickerModeCountDownTimer"
 typedef void(^ActionDateCancelBlock)(ActionSheetDatePicker *picker);
 
 @interface ActionSheetDatePicker : AbstractActionSheetPicker
 
-@property (nonatomic) NSDate *minimumDate;
-@property (nonatomic) NSDate *maximumDate;
-@property (nonatomic) NSInteger minuteInterval;
-@property (nonatomic) NSCalendar *calendar;
-@property (nonatomic) NSTimeZone *timeZone;
-@property (nonatomic) NSLocale *locale;
+@property (nonatomic, retain) NSDate *minimumDate; // specify min/max date range. default is nil. When min > max, the values are ignored. Ignored in countdown timer mode
+@property (nonatomic, retain) NSDate *maximumDate; // default is nil
+
+@property (nonatomic) NSInteger minuteInterval; // display minutes wheel with interval. interval must be evenly divided into 60. default is 1. min is 1, max is 30
+
+@property (nonatomic, retain) NSLocale   *locale;   // default is [NSLocale currentLocale]. setting nil returns to default
+@property (nonatomic, copy)   NSCalendar *calendar; // default is [NSCalendar currentCalendar]. setting nil returns to default
+@property (nonatomic, retain) NSTimeZone *timeZone; // default is nil. use current time zone or time zone from calendar
+
+@property (nonatomic, assign) NSTimeInterval countDownDuration; // for UIDatePickerModeCountDownTimer, ignored otherwise. default is 0.0. limit is 23:59 (86,399 seconds). value being set is div 60 (drops remaining seconds).
+
+@property (nonatomic, copy) ActionDateDoneBlock onActionSheetDone;
+@property (nonatomic, copy) ActionDateCancelBlock onActionSheetCancel;
 
 + (id)showPickerWithTitle:(NSString *)title datePickerMode:(UIDatePickerMode)datePickerMode selectedDate:(NSDate *)selectedDate target:(id)target action:(SEL)action origin:(id)origin;
 
@@ -54,6 +61,7 @@ typedef void(^ActionDateCancelBlock)(ActionSheetDatePicker *picker);
 
 - (id)initWithTitle:(NSString *)title datePickerMode:(UIDatePickerMode)datePickerMode selectedDate:(NSDate *)selectedDate target:(id)target action:(SEL)action origin:(id)origin cancelAction:(SEL)cancelAction;
 
+
 - (instancetype)initWithTitle:(NSString *)title
                datePickerMode:(UIDatePickerMode)datePickerMode
                  selectedDate:(NSDate *)selectedDate
@@ -63,7 +71,4 @@ typedef void(^ActionDateCancelBlock)(ActionSheetDatePicker *picker);
 
 - (void)eventForDatePicker:(id)sender;
 
-@property (nonatomic, copy) ActionDateDoneBlock onActionSheetDone;
-@property (nonatomic, copy) ActionDateCancelBlock onActionSheetCancel;
-
 @end

Pickers/ActionSheetDatePicker.m

@@ -32,13 +32,9 @@
 @interface ActionSheetDatePicker()
 @property (nonatomic, assign) UIDatePickerMode datePickerMode;
 @property (nonatomic, strong) NSDate *selectedDate;
-@property (nonatomic, assign) NSTimeInterval duration;
 @end
 
 @implementation ActionSheetDatePicker
-@synthesize selectedDate = _selectedDate;
-@synthesize datePickerMode = _datePickerMode;
-@synthesize duration = _duration;
 
 + (id)showPickerWithTitle:(NSString *)title
            datePickerMode:(UIDatePickerMode)datePickerMode selectedDate:(NSDate *)selectedDate
@@ -79,7 +75,6 @@ - (id)initWithTitle:(NSString *)title datePickerMode:(UIDatePickerMode)datePicke
         self.title = title;
         self.datePickerMode = datePickerMode;
         self.selectedDate = selectedDate;
-        self.duration = 60;
     }
     return self;
 }
@@ -110,7 +105,14 @@ - (UIView *)configuredPickerView {
     datePicker.timeZone = self.timeZone;
     datePicker.locale = self.locale;
 
-    [datePicker setDate:self.selectedDate animated:NO];
+    // if datepicker is set with a date in countDownMode then
+    // 1h is added to the initial countdown
+    if (self.datePickerMode == UIDatePickerModeCountDownTimer) {
+        datePicker.countDownDuration = self.countDownDuration;
+    } else {
+        [datePicker setDate:self.selectedDate animated:NO];
+    }
+
     [datePicker addTarget:self action:@selector(eventForDatePicker:) forControlEvents:UIControlEventValueChanged];
 
     //need to keep a reference to the picker so we can clear the DataSource / Delegate when dismissing (not used in this picker, but just in case somebody uses this as a template for another picker)
@@ -123,14 +125,19 @@ - (void)notifyTarget:(id)target didSucceedWithAction:(SEL)action origin:(id)orig
 {
     if (self.onActionSheetDone)
     {
-        self.onActionSheetDone(self, self.selectedDate, origin);
+        if (self.datePickerMode == UIDatePickerModeCountDownTimer)
+            self.onActionSheetDone(self, @(self.countDownDuration), origin);
+        else
+            self.onActionSheetDone(self, self.selectedDate, origin);
+
         return;
     }
     else if ([target respondsToSelector:action])
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
         if (self.datePickerMode == UIDatePickerModeCountDownTimer) {
-            [target performSelector:action withObject:@(self.duration) withObject:origin];
+            [target performSelector:action withObject:@(self.countDownDuration) withObject:origin];
+
         } else {
             [target performSelector:action withObject:self.selectedDate withObject:origin];
         }
@@ -162,7 +169,7 @@ - (void)eventForDatePicker:(id)sender
         return;
     UIDatePicker *datePicker = (UIDatePicker *)sender;
     self.selectedDate = datePicker.date;
-    self.duration = datePicker.countDownDuration;
+    self.countDownDuration = datePicker.countDownDuration;
 }
 
 - (void)customButtonPressed:(id)sender {