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74 lines
3.2 KiB
Plaintext
Executable File
74 lines
3.2 KiB
Plaintext
Executable File
-- Created on: 1992-11-18
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-- Created by: Christian CAILLET
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-- Copyright (c) 1992-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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generic class SelectList from IFSelect (Entity as Transient)
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inherits SelectInList
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---Purpose : A SelectList kind Selection selects a part of an Entity, as
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-- well as this Entity can be described as an ordered List.
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-- That is to say, it must have two methods :
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--
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-- NbEntities (me) returns Integer;
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-- Entity (me; num : Integer) returns Transient;
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--
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-- For each class of Entity for which we want to define a
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-- SelectList, we will instanciate this class with the
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-- desired class of Entity as definition parameter : the deferred
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-- methods NbEntities and ListedEntity are now defined to call
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-- the required methods from <Entity>
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--
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-- SelectList works as SelectInList, beeing a sub-class of it
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uses AsciiString from TCollection, Transient, EntityIterator, IntParam
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raises OutOfRange
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is
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Create returns mutable SelectList;
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---Purpose : Creates a SelectList (with no limit);
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KeepInputEntity (me; iter : in out EntityIterator);
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---Purpose : Keeps Input Entity, as having required type <Entity>
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NbItems (me; ent : Transient) returns Integer;
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---Purpose : Returns count of Entities in the list in the Entity <ent>
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-- by calling method NbEntity from parameter class Entity
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ListedEntity (me; num : Integer; ent : Transient)
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returns Transient raises OutOfRange;
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---Purpose : Returns an Entity of the list in the Entity <ent>, by calling
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-- method Entity from parameter class Entity
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-- Error if <ent> has not required type, or if <num> is not in
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-- the right range (1,NbEntities),
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ListLabel (me) returns AsciiString from TCollection;
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---Purpose : Returns the specific label for the list
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-- then, following cases :
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-- " From .. Until .." or "From .." or "Until .." or "Rank no .."
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-- Warning : it is not possible to give a character constant to instantiate
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-- a generic class, thus "List From Entity" is not adapted :
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-- redefine Label if judged necessary
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end SelectList;
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