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Maskable.java

/*
$Id: Maskable.java,v 1.3 2003/02/18 11:48:46 sander Exp $
*/


/*
Copyright (C) 2001-2002 Mainline Project (I3S - ESSI - CNRS -UNSA)

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

For further information on the GNU Lesser General Public License,
see: http://www.gnu.org/copyleft/lesser.html
For further information on this library, contact: mainline@essi.fr
*/


package fr.ove.openmath.jome.behaviour;

/**
* Interface that must implement all objects that want to be visible or not.<BR>
*
* @author  1999 DIRAT Laurent
* @version 2.0 14/12/1999
*/
00037 public interface Maskable {
    /**
    * Sets the instance as vissible or not.
    * @param isVisible <CODE>true</CODE> if the instance is visible. <CODE>false</CODE> otherwise.
    */
    public void setIsVisble(boolean isVisible);

    /**
    * Checks if the instance is visible.
    * @returns <CODE>true</CODE> if the instance is visible. <CODE>false</CODE> otherwise.
    */
    public boolean isVisible();    
}

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