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.JOptionPane;
031    import javax.swing.KeyStroke;
032    
033    import org.ujmp.core.Coordinates;
034    import org.ujmp.core.Matrix;
035    import org.ujmp.core.MatrixFactory;
036    import org.ujmp.core.enums.ValueType;
037    import org.ujmp.core.interfaces.GUIObject;
038    import org.ujmp.gui.util.GUIUtil;
039    
040    public class NewMatrixAction extends ObjectAction {
041            private static final long serialVersionUID = 1875202202123788470L;
042    
043            public NewMatrixAction(JComponent c, GUIObject o) {
044                    super(c, o);
045                    putValue(Action.NAME, "New Matrix...");
046                    putValue(Action.SHORT_DESCRIPTION, "Creates a new empty matrix");
047                    putValue(Action.MNEMONIC_KEY, KeyEvent.VK_N);
048                    putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_N,
049                                    KeyEvent.CTRL_DOWN_MASK));
050            }
051    
052            public Object call() {
053                    try {
054                            boolean isDense = GUIUtil.getBoolean("Should the matrix be dense?");
055                            ValueType valueType = ValueType.values()[JOptionPane
056                                            .showOptionDialog(getComponent(),
057                                                            "Select the value type for the new matrix",
058                                                            "Sparse Matrix", JOptionPane.OK_OPTION,
059                                                            JOptionPane.QUESTION_MESSAGE, null, ValueType
060                                                                            .values(), ValueType.DOUBLE)];
061                            long[] size = null;
062                            while (size == null || size.length < 2) {
063                                    String s = JOptionPane.showInputDialog(getComponent(),
064                                                    "Enter the size of the new matrix, e.g. 3x5x6",
065                                                    "Dense Matrix", JOptionPane.QUESTION_MESSAGE);
066                                    try {
067                                            size = Coordinates.parseString(s);
068                                    } catch (Exception e) {
069                                    }
070                            }
071                            Matrix m = null;
072                            if (isDense) {
073                                    m = MatrixFactory.dense(valueType, size);
074                            } else {
075                                    m = MatrixFactory.sparse(valueType, size);
076                            }
077                            m.showGUI();
078                            return m;
079                    } catch (Exception e) {
080                            e.printStackTrace();
081                            return null;
082                    }
083            }
084    
085    }