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SubstitutionLayout.java

/*
$Id: SubstitutionLayout.java,v 1.3 2003/02/18 11:48:47 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.ctrlview.bidim;

import java.awt.*;
import java.util.Vector;
import fr.ove.openmath.jome.ctrlview.bidim.DisplayLayout;
import fr.ove.openmath.jome.ctrlview.bidim.Display;
import fr.ove.openmath.jome.ctrlview.bidim.StringDisplay;
import fr.ove.openmath.jome.ctrlview.bidim.SubstitutedDisplayManager;
import fr.ove.openmath.jome.ctrlview.bidim.selection.events.SelectionEvent;

/**
* A layout manager that lays display of substitued displays.
*
* @author  1999 DIRAT Laurent
* @version 2.0 04/08/1999
*/
00045 public class SubstitutionLayout extends AbstractStringLayout implements SubstitutedDisplayManager {
    /**
    * The list of the displays that have been iconified.
    */
00049     private Vector substitutedDisplay = new Vector();
    
    /**
    * Checks the validity of the selection.
    */
00054     public void validateSelection() {
    }
    
    /**
    * Checks the validity of the deselection.
    * @param display the display to deselect.
    */
00061     public void validateDeselection(Display display) {
    }

    /*
    * Adds an substituted display to the list.
    */
    public void addSubstitutedDisplay(Display display) {
        substitutedDisplay.addElement(display);
    }
    
    /*
    * Removes a substituted display to the list.
    * @param display the display to remove.
    */
    public void removeSubstitutedDisplay(Display display) {
        substitutedDisplay.removeElement(display);
    }
    
    /*
    * Removes a substituted display at the specified rank to the list.
    * @param rank the specified rank.
    */
    public void removeSubstitutedDisplay(int rank) {
        substitutedDisplay.removeElementAt(rank);
    }
    
    /**
    * Returns the substituted display at the specified rank.
    * @param rank the specified rank.
    */
00091     public Display getSubstitutedDisplay(int rank) {
        return (Display) substitutedDisplay.elementAt(rank);
    }
    
    /**
    * Returns the number of substituted displays.
    */
00098     public int getNbSubstitutedDisplay() {
        return substitutedDisplay.size();
    }
}

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