EditableClock

AboutToShow Draw DrawClockHand Idle IndexedTime OpeningTinkerWindow RedrawFace SetIndexedTime SetMyTime Touch

Attributes

Editable HasSecondHand Target TargetTime

Fields

instance EditableClock tag;
 relativeOrigin: <0.0,0.0>;
    contentSize: <0.0,0.0>;
      viewFlags: 0x00000000;
     labelStyle: nilObject;
          color: 0;
       altColor: 0;
         shadow: nilObject;
          sound: nilObject;
          image: nilObject;
         target: nilObject;
  displayedTime: 0;
   draggingHand: 0;
       editable: false;
  hasSecondHand: false;
   dragInterval: 0;
end instance;

Define Class EditableClock;
    inherits from Stamp;
    inherits from ClockFace;
    inherits interface from EditsTarget;

    field target:           Object, getter;
        // source of clock's time; use iSystem to affect and reflect current time
    field displayedTime:    Unsigned;
        // time currently displayed on clock
    field draggingHand:     UnsignedByte;
        // which hand is being dragged
    field editable:         Boolean, getter;
    field hasSecondHand:    Boolean, getter;
    field dragInterval:     Unsigned;
        // interval (in minutes) to which dragging the minute hand is gridded

    // getting and setting the time

    operation IndexedTime(index: Unsigned): Unsigned;
    operation SetIndexedTime(newTime: Unsigned; index: Unsigned);

    // getting and setting the target

    overrides SetTarget;
    attribute TargetTime: Unsigned, safe;
        // gets/sets target's start time

    // clock drawing and manipulation

    overrides DrawClockHand;
        // draws hand that's being dragged thicker; draws second hand lighter if unlocked
                                                        
    attribute HasSecondHand: Boolean, safe, common;
        // returns true if clock has a second hand (tests clock flag)
    attribute Editable: Boolean, safe;

    // basic viewable stuff

    overrides AboutToShow;
        // synchronizes displayed time with target time
    overrides Draw;
        // draws clock hands inside image's content rect
    overrides Idle;
        // synchronizes displayed time with target time
    overrides OpeningTinkerWindow;
        // adds time locked and second hand switches to tinker window
    overrides Touch;
        // locks and unlocks the time; moves hands if time unlocked

    operation RedrawFace(), intrinsic;
    operation SetMyTime(newTime: Unsigned), intrinsic;
    
end class;