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-- File: IGESSelect_ChangeLevelNumber.cdl
-- Created: Thu Aug 25 15:01:48 1994
-- Author: Christian CAILLET
-- <cky@anion>
---Copyright: Matra Datavision 1994
class ChangeLevelNumber from IGESSelect inherits ModelModifier from IGESSelect
---Purpose : Changes Level Number (as null or single) to a new single value
-- Entities attached to a LevelListEntity are ignored
-- Entities considered can be, either all Entities but those
-- attached to a LevelListEntity, or Entities attached to a
-- specific Level Number (0 for not defined).
--
-- Remark : this concerns the Directory Part only. The Level List
-- Entities themselves (their content) are not affected.
uses AsciiString from TCollection,
IGESModel, CopyTool, ContextModif, IntParam
is
Create returns mutable ChangeLevelNumber;
---Purpose : Creates a ChangeLevelNumber, not yet defined
-- (see SetOldNumber and SetNewNumber)
HasOldNumber (me) returns Boolean;
---Purpose : Returns True if OldNumber is defined : then, only entities
-- attached to the value of OldNumber will be considered. Else,
-- all entities but those attached to a Level List will be.
OldNumber (me) returns mutable IntParam;
---Purpose : Returns the parameter for OldNumber. If not defined (Null
-- Handle), it will be interpreted as "all level numbers"
SetOldNumber (me : mutable; param : mutable IntParam);
---Purpose : Sets a parameter for OldNumber
NewNumber (me) returns mutable IntParam;
---Purpose : Returns the parameter for NewNumber. If not defined (Null
-- Handle), it will be interpreted as "new value 0"
SetNewNumber (me : mutable; param : mutable IntParam);
---Purpose : Sets a parameter for NewNumber
Performing (me; ctx : in out ContextModif;
target : mutable IGESModel;
TC : in out CopyTool);
---Purpose : Specific action : considers selected target entities :
-- If OldNumber is not defined, all entities but those attached
-- to a Level List
-- If OldNumber is defined (value not negative), entities with a
-- defined Level Number (can be zero)
-- Attaches all these entities to value given by NewNumber, or
-- zero if not defined
Label (me) returns AsciiString from TCollection;
---Purpose : Returns a text which is
-- "Changes Level Number <old> to <new>" , or
-- "Changes all Levels Numbers positive and zero to <new>"
fields
theold : IntParam;
thenew : IntParam;
end ChangeLevelNumber;
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