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.exceptions.MatrixException;
030    import org.ujmp.core.interfaces.GUIObject;
031    import org.ujmp.gui.MatrixGUIObject;
032    
033    public class EyeAction extends AbstractMatrixAction {
034            private static final long serialVersionUID = -8536621798382290716L;
035    
036            public EyeAction(JComponent c, MatrixGUIObject m, GUIObject v) {
037                    super(c, m, v);
038                    putValue(Action.NAME, "Eye");
039                    putValue(Action.SHORT_DESCRIPTION,
040                                    "set entries to 1 on the diagonal and 0 otherwise");
041            }
042    
043            public Object call() throws MatrixException {
044                    MatrixGUIObject m = getMatrixObject();
045                    m.getMatrix().eye(getRet());
046                    return m;
047            }
048    }