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; 031 032 import org.ujmp.core.Coordinates; 033 import org.ujmp.core.Matrix; 034 import org.ujmp.core.MatrixFactory; 035 import org.ujmp.core.enums.ValueType; 036 import org.ujmp.core.interfaces.GUIObject; 037 038 public class SparseMatrixAction extends ObjectAction { 039 private static final long serialVersionUID = 8315118041433423085L; 040 041 public SparseMatrixAction(JComponent c, GUIObject o) { 042 super(c, o); 043 putValue(Action.NAME, "Sparse Matrix..."); 044 putValue(Action.SHORT_DESCRIPTION, "Creates an empty sparse matrix"); 045 putValue(Action.MNEMONIC_KEY, KeyEvent.VK_S); 046 } 047 048 049 public Object call() { 050 try { 051 ValueType valueType = ValueType.values()[JOptionPane 052 .showOptionDialog(getComponent(), 053 "Select the value type for the new matrix", 054 "Sparse Matrix", JOptionPane.OK_OPTION, 055 JOptionPane.QUESTION_MESSAGE, null, ValueType 056 .values(), ValueType.DOUBLE)]; 057 long[] size = null; 058 while (size == null || size.length < 2) { 059 String s = JOptionPane.showInputDialog(getComponent(), 060 "Enter the size of the new matrix, e.g. 3x5x6", 061 "Sparse Matrix", JOptionPane.QUESTION_MESSAGE); 062 try { 063 size = Coordinates.parseString(s); 064 } catch (Exception e) { 065 } 066 } 067 Matrix m = MatrixFactory.sparse(valueType, size); 068 m.showGUI(); 069 return m; 070 } catch (Exception e) { 071 e.printStackTrace(); 072 return null; 073 } 074 } 075 076 }