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 javax.swing.Action;
027    import javax.swing.JComponent;
028    
029    import org.ujmp.core.Matrix;
030    import org.ujmp.core.exceptions.MatrixException;
031    import org.ujmp.core.interfaces.GUIObject;
032    import org.ujmp.gui.MatrixGUIObject;
033    
034    public class QRAction extends AbstractMatrixAction {
035            private static final long serialVersionUID = 4351313952492908011L;
036    
037            public QRAction(JComponent c, MatrixGUIObject m, GUIObject v) {
038                    super(c, m, v);
039                    putValue(Action.NAME, "QR");
040                    putValue(Action.SHORT_DESCRIPTION,
041                                    "Calculates a QR decomposition of this matrix");
042            }
043    
044            public Object call() throws MatrixException {
045                    Matrix[] result = getMatrixObject().getMatrix().qr();
046                    result[0].showGUI();
047                    result[1].showGUI();
048                    return result;
049            }
050    
051    }