-- Created by: DAUTRY Philippe
-- Copyright (c) 1997-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.

--      	--------------------

---Version:	0.0
--Version	Date		Purpose
--		0.0	Nov 27 1997	Creation

class TreeBrowser from DDataStd inherits Drawable3D from Draw

	---Purpose: Browses a TreeNode from TDataStd.
	--          =================================

uses

    Label               from TDF,
    TreeNode            from TDataStd,
    Interpretor         from Draw,
    Display             from Draw,
    AsciiString         from TCollection

is

    Create  (root : Label from TDF)
    returns mutable TreeBrowser from DDataStd;
    
    DrawOn (me; dis : in out Display);
    
    Copy (me) 
    returns mutable Drawable3D from Draw
    is redefined;

    Dump (me; S : in out OStream) 
    is redefined;

    Whatis (me; I : in out Interpretor from Draw)
    is redefined;

    ---Purpose: Specific methods
    --          ================

    Label (me : mutable; root : Label from TDF);
    
    Label (me) 
    returns Label from TDF;

    OpenRoot (me)
    ---Purpose: Returns   a   string composed with  the   TreeNode  of
    --          <myLabel>.
     returns AsciiString from TCollection;

    OpenNode (me; L : Label from TDF)
    ---Purpose:  Returns a string composed   with the sub-TreeNodes of
    --          <L>
    returns AsciiString from TCollection;

    OpenNode (me; aTreeNode :        TreeNode    from TDataStd;
    	    	  aList     : in out AsciiString from TCollection)  
    ---Purpose: Returns a string composed with the sub-TreeNodes
    --          of <aTreeNode>. Used to implement other methods.
    is private;

fields

    myRoot : Label from TDF;

end TreeBrowser;