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-- File: IGESSelect_ChangeLevelList.cdl
-- Created: Thu Aug 25 15:44:24 1994
-- Author: Christian CAILLET
-- <cky@anion>
---Copyright: Matra Datavision 1994
class ChangeLevelList from IGESSelect inherits ModelModifier from IGESSelect
---Purpose : Changes Level List (in directory part) to a new single value
-- Only entities attached to a LevelListEntity are considered
-- If OldNumber is defined, only entities whose LevelList
-- contains its Value are processed. Else all LevelLists are.
--
-- Remark : this concerns the Directory Part only. The Level List
-- Entities themselves (their content) are not affected.
--
-- If NewNumber is defined (positive or zero), it gives the new
-- value for Level Number. Else, the first value of the LevelList
-- is set as new LevelNumber
uses AsciiString from TCollection,
IGESModel, CopyTool, ContextModif, IntParam
is
Create returns mutable ChangeLevelList;
---Purpose : Creates a ChangeLevelList, not yet defined
-- (see SetOldNumber and SetNewNumber)
HasOldNumber (me) returns Boolean;
---Purpose : Returns True if OldNumber is defined : then, only entities
-- which have a LevelList which contains the value are processed.
-- Else, all entities attached to a LevelList are.
OldNumber (me) returns mutable IntParam;
---Purpose : Returns the parameter for OldNumber. If not defined (Null
-- Handle), it will be interpreted as "all level lists"
SetOldNumber (me : mutable; param : mutable IntParam);
---Purpose : Sets a parameter for OldNumber
HasNewNumber (me) returns Boolean;
---Purpose : Returns True if NewNumber is defined : then, it gives the new
-- value for Level Number. Else, the first value of the LevelList
-- is used as new Level Number.
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 attached to a
-- Level List
-- If OldNumber is defined (value not negative), entities with a
-- Level List which contains this value
-- Attaches all these entities to value given by NewNumber, or
-- the first value of the Level List
Label (me) returns AsciiString from TCollection;
---Purpose : Returns a text which begins by
-- "Changes Level Lists containing <old>", or
-- "Changes all Level Lists in D.E.", and ends by
-- " to Number <new>" or " to Number = first value in List"
fields
theold : IntParam;
thenew : IntParam;
end ChangeLevelList;
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