--
-- File      :  Pick.cdl
-- Created   :  Sat 9 Jan 1993
-- Author    : CKY / Contract Toubro-Larsen ( TCD )
--
---Copyright : MATRA-DATAVISION  1993
--

class Pick from IGESGraph  inherits IGESEntity

        ---Purpose: defines IGESPick, Type <406> Form <21>
        --          in package IGESGraph
        --
        --          Attaches information that an entity may be picked
        --          by whatever pick device is used in the receiving
        --          system

uses  Integer  -- no one specific type


is

        Create returns mutable Pick;

        -- Specific Methods pertaining to the class

        Init (me          : mutable;
              nbProps     : Integer;
              aPickStatus : Integer);
        ---Purpose : This method is used to set the fields of the class Pick
        --      - nbProps     : Number of property values (NP = 1)
        --      - aPickStatus : Pick Flag

        -- Specific Access Methods : According to each type of Entity

        NbPropertyValues (me) returns Integer;
        ---Purpose : returns the number of property values in <me>.

        PickFlag(me) returns Integer;
        ---Purpose : returns 0 if <me> is pickable(default),
        --         1 if <me> is not pickable.

        IsPickable(me) returns Boolean;
        ---Purpose : returns True if thePick is 0.

fields

--
-- Class    : IGESGraph_Pick
--
-- Purpose  : Declaration of the variables specific to a Pick property.
--
-- Reminder : A Pick property is defined by :
--            - Number of property values
--            - Flag 0 = entity is pickable(default)
--                   1 = entity is not pickable
--

        theNbPropertyValues : Integer;

        thePick             : Integer;

end Pick;