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ImageBetweenOperatorLayout.java

/*
$Id: ImageBetweenOperatorLayout.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.ctrlview.bidim;

import java.awt.*;
import fr.ove.openmath.jome.ctrlview.bidim.*;
import fr.ove.openmath.jome.model.*;

/**
* Layout manager that lays the display of an operator whose symbol is located between its 2 operands.<BR>
* Rendering is done vertically, the first operand on top, the symbol in the middle and the second operand
* under the 2 previous.<BR>
* The symbol is rendered with an image.
*
* @author © 1999 DIRAT Laurent
* @version 2.0 15/12/1999
*/
00044 public class ImageBetweenOperatorLayout extends BetweenOperatorLayout {
    /**
    * The symbol we have to insert between each component if necessary.
    */
00048     private ImageSymbol symbolOperator = null;
    
    /**
    * Returns the display of the operator
    */
00053     public Display createOperatorDisplay() {
        if (symbolOperator == null) {
            Operator fts = (Operator) displayToLay.getListener();
            //symbolOperator = new ImageSymbol(fts.getTheOperator(), displayToLay);
            symbolOperator = new ImageSymbol(fts.getResourceIdentifier(), displayToLay);
        }
        
        // On créé un display pour l'opérateur.
        SymbolDisplay operatorDisplay = new SymbolDisplay(displayToLay.getGraphicContext(), symbolOperator);
        operatorDisplay.setIsSymbolOperatorDisplay(true);
        
        return operatorDisplay;
    }
}

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