DateChooser

AboutToHide AboutToShow CalcInsidePart CanAcceptCoupon Confirm Draw GetHorizInset

Idle NoticeMonthChanged SetTextStyle TextStyle Touch TrackDay

Attributes

Editable Index Target

Fields

instance DateChooser tag;
 relativeOrigin: <0.0,0.0>;
    contentSize: <0.0,0.0>;
      viewFlags: 0x00000000;
     labelStyle: nilObject;
          color: 0;
       altColor: 0;
         shadow: nilObject;
          sound: nilObject;
         border: nilObject;
       editable: false;
 highlightToday: false;
    tightBorder: false;
       drawGrid: false;
       drawYear: false;
 confirmOnTouch: false;
         target: nilObject;
          index: 0;
           date: 0;
      yearStyle: nilObject;
       dayStyle: nilObject;
         arrows: nilObject;
 highlightArrow: 0;
end instance;

Define Class DateChooser;
    inherits from Box;
    inherits interface from EditsTarget;

    field editable:         Boolean, getter;
    field highlightToday:   Boolean;
    field tightBorder:      Boolean;
    field drawGrid:         Boolean;
    field drawYear:         Boolean;
    field confirmOnTouch:   Boolean;
    field target:           Object, weak, getter;   
        // object whose date is being chosen; use iSystem to affect and reflect current date
    field index:            Unsigned, getter;       
        // index passed to IndexedDate() and SetIndexedDate()
    field date:             Signed;                 
        // selected date
    field yearStyle:        TextStyle;              
        // text style in which to draw year and month
    field dayStyle:         TextStyle;              
        // text style in which to draw day names and numbers
    field arrows:           Image;                  
        // image of right arrow (left arrow is flipped from this)
    field highlightArrow:   Unsigned;               
        // which arrow is highlighted? (0,1,2,3,4 = none, month right, month left, year right, year left)

    // targeting

    attribute Index: Unsigned, safe;
    overrides SetTarget;
    overrides Confirm;
        // call to accept currently selected date
    operation NoticeMonthChanged(var date: Unsigned; previousMonth: Boolean);
        // do special work when the date's month has been changed
        // does nothing at this level

    // appearance and interaction

    attribute Editable: Boolean, safe;
    
    overrides AboutToHide, AboutToShow;
        // calls Confirm to update target and synchronize date with target
    overrides CalcInsidePart;
        // returns partMonth or partYear or calls inherited method
    overrides CanAcceptCoupon;
        // permits textStyle and inherited coupons
    overrides Draw;
        // draws a calendar with arrows to change year & month
    overrides Idle;
        // synchronizes date with target
    overrides TextStyle, SetTextStyle;
        // yearStyle, dayStyle, or calls inherited
    overrides Touch;
        // selects the touched date, or changes year or month

    operation GetHorizInset(): Signed, intrinsic;
    operation TrackDay(grid: Box; numRows: SignedShort; numColumns: SignedShort; monthDays: SignedShort; firstWeekday: SignedShort; touchInput: TouchInput), intrinsic;
    
end class;