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 import org.ujmp.gui.util.GUIUtil; 034 035 public class TfIdfAction extends AbstractMatrixAction { 036 private static final long serialVersionUID = 1270634917740161063L; 037 038 public TfIdfAction(JComponent c, MatrixGUIObject m, GUIObject v) { 039 super(c, m, v); 040 putValue(Action.NAME, "Tf-idf"); 041 putValue(Action.SHORT_DESCRIPTION, 042 "calculates a document term matrix with weight according to tf-idf"); 043 } 044 045 public Object call() throws MatrixException { 046 Matrix m = getMatrixObject().getMatrix().tfIdf( 047 GUIUtil.getBoolean("Calculate term frequency"), 048 GUIUtil.getBoolean("Calculate inverse document frequency"), 049 GUIUtil.getBoolean("Normalize")); 050 m.showGUI(); 051 return m; 052 } 053 054 }