listpropertytable.java

一个很好的LIBSVM的JAVA源码。对于要研究和改进SVM算法的学者。可以参考。来自数据挖掘工具YALE工具包。

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2001-2004
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License as 
 *  published by the Free Software Foundation; either version 2 of the
 *  License, or (at your option) any later version. 
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.gui;

import edu.udo.cs.yale.operator.Operator;
import edu.udo.cs.yale.operator.parameter.ParameterType;
import edu.udo.cs.yale.operator.parameter.ParameterTypeList;

import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import javax.swing.table.DefaultTableModel;

/** For ParameterTypeList the parameter values are parameter lists themselves. Hence,
 *  the key must be editable, too (not only the value). That is what this implementation of
 *  PropertyTable is good for. */
public class ListPropertyTable extends PropertyTable {

    private List parameterList;
    private ParameterTypeList type;
    private Operator operator;

    public ListPropertyTable(ParameterTypeList type, List parameterList, Operator operator) {
	super(new String[] { type.getKey(), type.getValueType().getKey() });
	this.type          = type;
	this.parameterList = parameterList;
	this.operator      = operator;
	updateTableData(parameterList.size());
	Iterator i = parameterList.iterator();
	int j = 0;
	while (i.hasNext()) {
	    Object[] keyValue = (Object[])i.next();
	    getDefaultModel().setValueAt(keyValue[0], j, 0);
	    getDefaultModel().setValueAt(keyValue[1], j, 1);
	    j++;
	}
	updateEditorsAndRenderers();
    }

    public void addRow() {
	((DefaultTableModel)getModel()).addRow(new Object[] {"", type.getValueType().getDefaultValue() });
	updateEditorsAndRenderers();
    }

    public void removeSelected() {
	int[] selectedRow = getSelectedRows();
	for (int i = selectedRow.length-1; i >= 0; i--) {
	    getDefaultModel().removeRow(selectedRow[i]);
	}
    }

    public void getParameterList(List list) {
	list.clear();
	for (int i = 0; i < getDefaultModel().getRowCount(); i++) {
	    list.add(new Object[] { getDefaultModel().getValueAt(i, 0),
				    getDefaultModel().getValueAt(i, 1)});
	}	
    }

    public Operator getOperator(int row) {
	return operator;
    }

    public ParameterType getParameterType(int row) {
	return type.getValueType();
    }

    public boolean isCellEditable(int row, int col) {
	return true;
    }
}