001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.gui.actions;
025    
026    import java.awt.event.KeyEvent;
027    
028    import javax.swing.Action;
029    import javax.swing.JComponent;
030    import javax.swing.KeyStroke;
031    
032    import org.ujmp.core.Matrix;
033    import org.ujmp.core.exceptions.MatrixException;
034    import org.ujmp.core.interfaces.GUIObject;
035    import org.ujmp.gui.MatrixGUIObject;
036    
037    public class CenterAction extends AbstractMatrixAction {
038            private static final long serialVersionUID = 7686574264688126405L;
039    
040            public CenterAction(JComponent c, MatrixGUIObject m, GUIObject v) {
041                    super(c, m, v);
042                    putValue(Action.NAME, "Center");
043                    putValue(Action.SHORT_DESCRIPTION, "Rescales all entries to mean 0");
044                    putValue(Action.MNEMONIC_KEY, KeyEvent.VK_C);
045                    putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_0,
046                                    KeyEvent.CTRL_DOWN_MASK));
047            }
048    
049            public Object call() throws MatrixException {
050                    Matrix m = getMatrixObject().getMatrix().center(getRet(),
051                                    getDimension(), getIgnoreMissing());
052                    m.showGUI();
053                    return m;
054            }
055    
056    }