/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.properties;
import java.awt.Component;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Vector;
import javax.swing.AbstractCellEditor;
import javax.swing.JComboBox;
import javax.swing.JTable;
import com.rapidminer.operator.AddListener;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.OperatorChain;
/**
* Parameter editor for {@link com.rapidminer.parameter.ParameterTypeInnerOperator}.
*
* @author Ingo Mierswa
* @version $Id: InnerOperatorValueCellEditor.java,v 1.3 2008/05/09 19:22:46 ingomierswa Exp $
*/
public class InnerOperatorValueCellEditor extends AbstractCellEditor implements PropertyValueCellEditor, AddListener {
private static final long serialVersionUID = -2559892872774108384L;
private JComboBox operatorCombo = new JComboBox();
private transient OperatorChain parentOperator;
public InnerOperatorValueCellEditor(InnerOperatorValueCellEditor editor) {
}
public void setOperator(Operator parentOperator) {
this.parentOperator = (OperatorChain)parentOperator;
this.parentOperator.addAddListener(this);
this.operatorCombo = new JComboBox();
updateOperatorCombo();
}
public void operatorAdded(Operator child) {
updateOperatorCombo();
}
private void updateOperatorCombo() {
Object selectedItem = this.operatorCombo.getSelectedItem();
this.operatorCombo.removeAllItems();
List<Operator> allInnerOps = parentOperator.getAllInnerOperators();
Vector<String> allOpNames = new Vector<String>();
Iterator<Operator> i = allInnerOps.iterator();
while (i.hasNext())
allOpNames.add(i.next().getName());
Collections.sort(allOpNames);
Iterator<String> s = allOpNames.iterator();
while (s.hasNext()) {
this.operatorCombo.addItem(s.next());
}
this.operatorCombo.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
fireEditingStopped();
}
});
if (this.operatorCombo.getItemCount() == 0)
this.operatorCombo.addItem("add inner operators");
this.operatorCombo.setSelectedItem(selectedItem);
}
public Object getCellEditorValue() {
return operatorCombo.getSelectedItem();
}
public void setValue(String valueName) {
if (valueName != null) {
operatorCombo.setSelectedItem(valueName);
} else {
operatorCombo.setSelectedIndex(0);
}
}
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int col) {
setValue((String) value);
return operatorCombo;
}
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
return getTableCellEditorComponent(table, value, isSelected, row, column);
}
public boolean useEditorAsRenderer() { return true; }
}