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wims  3.65+svn20090927
UnderOperatorLayout.java
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00001 /*
00002 $Id: UnderOperatorLayout.java,v 1.3 2003/02/18 11:48:47 sander Exp $
00003 */
00004 
00005 
00006 /*
00007 Copyright (C) 2001-2002 Mainline Project (I3S - ESSI - CNRS -UNSA)
00008 
00009 This library is free software; you can redistribute it and/or
00010 modify it under the terms of the GNU Lesser General Public
00011 License as published by the Free Software Foundation; either
00012 version 2.1 of the License, or (at your option) any later version.
00013 
00014 This library is distributed in the hope that it will be useful,
00015 but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public
00020 License along with this library; if not, write to the Free Software
00021 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 
00023 For further information on the GNU Lesser General Public License,
00024 see: http://www.gnu.org/copyleft/lesser.html
00025 For further information on this library, contact: mainline@essi.fr
00026 */
00027 
00028 
00029 package fr.ove.openmath.jome.ctrlview.bidim;
00030 
00031 import java.awt.*;
00032 import fr.ove.openmath.jome.ctrlview.bidim.*;
00033 import fr.ove.openmath.jome.ctrlview.bidim.selection.events.SelectionEvent;
00034 import fr.ove.openmath.jome.model.*;
00035 
00042 public abstract class UnderOperatorLayout extends SuperposedOperatorLayout {
00048     public Dimension computeAttributes() {
00049         // La différence réside dans le fait qu'il faut faire en sorte que le display de l'opérateur soit affiché
00050         // en dessous de l'opérande
00051         Dimension dim = super.computeAttributes(); 
00052         
00053         Display displayOperator = (Display) displayToLay.getComponent(0);
00054         Display operand = (Display) displayToLay.getComponent(1);
00055         
00056         int ascent = operand.getAscent();
00057         
00058         displayToLay.setAscent(ascent);
00059         displayToLay.setDescent(dim.height - ascent);
00060 
00061         // Cette taille là correspond au décalage qu'il faut appliquer à la barre de fraction
00062         displayOperator.setShiftY(operand.getHeight());
00063         // Mais il faut l'enlever au display du numérateur
00064         operand.setShiftY(-displayOperator.getShiftY() - displayOperator.getHeight());
00065         
00066         displayToLay.setComputeAttributes(false);
00067         
00068         return dim;
00069 
00070     
00071     }
00072 }