/*
* RapidMiner
*
* Copyright (C) 2001-2011 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.celleditors.value;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractAction;
import javax.swing.AbstractButton;
import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JTable;
import com.rapidminer.gui.tools.ResourceAction;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.ports.metadata.AttributeMetaData;
import com.rapidminer.operator.ports.metadata.ExampleSetMetaData;
import com.rapidminer.operator.ports.metadata.MetaData;
import com.rapidminer.parameter.ParameterTypeAttribute;
import com.rapidminer.parameter.ParameterTypeDateFormat;
/**
* Value cell editor for date formats. The user can select among a predefined set of values and copy nominal values
* retrieved from an example set at an input port to the combo box as an editing help.
*
* @author Simon Fischer
*/
public class DateFormatValueCellEditor extends AbstractCellEditor implements PropertyValueCellEditor {
private static final long serialVersionUID = -1889899793777695100L;
private JPanel panel;
private JComboBox formatCombo;
private AbstractButton selectButton;
public DateFormatValueCellEditor(final ParameterTypeDateFormat type) {
panel = new JPanel(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
c.anchor = GridBagConstraints.FIRST_LINE_START;
c.weightx = 1;
c.gridwidth = GridBagConstraints.RELATIVE;
formatCombo = new JComboBox(type.getValues());
formatCombo.setEditable(true);
panel.add(formatCombo, c);
selectButton = new JButton(new ResourceAction(true, "dateformat.select_sample") {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
JPopupMenu menu = new JPopupMenu();
if (type.getInputPort() != null) {
MetaData md = type.getInputPort().getMetaData();
if (md instanceof ExampleSetMetaData) {
ExampleSetMetaData emd = (ExampleSetMetaData) md;
final ParameterTypeAttribute attributeParameterType = type.getAttributeParameterType();
if (attributeParameterType != null) {
String selectedAttributeName = type.getInputPort().getPorts().getOwner().getOperator().getParameters().getParameterOrNull(attributeParameterType.getKey());
AttributeMetaData selectedAttribute = emd.getAttributeByName(selectedAttributeName);
if (selectedAttribute != null && (selectedAttribute.isNominal()) && (selectedAttribute.getValueSet() != null)) {
boolean isNotMenuEmpty = false;
for (final String value : selectedAttribute.getValueSet()) {
menu.add(new JMenuItem(new AbstractAction(value) {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
formatCombo.setSelectedItem(value);
}
}));
isNotMenuEmpty = true;
}
if (isNotMenuEmpty)
menu.show(selectButton, 0, selectButton.getHeight());
selectButton.setEnabled(isNotMenuEmpty);
} else if (emd.getAllAttributes() != null) {
int j = 0;
boolean isNotMenuEmpty = false;
for (final AttributeMetaData amd : emd.getAllAttributes()) {
if (amd.isNominal() && (amd.getValueSet() != null)) {
JMenu subMenu = new JMenu(amd.getName());
menu.add(subMenu);
int i = 0;
for (final String value : amd.getValueSet()) {
subMenu.add(new JMenuItem(new AbstractAction(value) {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
formatCombo.setSelectedItem(value);
if (attributeParameterType != null && type.getInputPort() != null)
type.getInputPort().getPorts().getOwner().getOperator().getParameters().setParameter(attributeParameterType.getKey(), amd.getName());
}
}));
i++;
if (i > 21) //don't show too many values: list could become really long.
break;
}
isNotMenuEmpty = true;
j++;
if (j>13) // don't show to many attributes
break;
}
}
if (isNotMenuEmpty)
menu.show(selectButton, 0, selectButton.getHeight());
selectButton.setEnabled(isNotMenuEmpty);
}
}
}
}
}
});
c.gridwidth = GridBagConstraints.REMAINDER;
c.weightx = 0;
selectButton.setText(null);
panel.add(selectButton, c);
formatCombo.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
fireEditingStopped();
}
});
}
@Override
public boolean rendersLabel() {
return false;
}
@Override
public void setOperator(Operator operator) {
}
@Override
public boolean useEditorAsRenderer() {
return true;
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
return panel;
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
formatCombo.setSelectedItem(value);
return panel;
}
@Override
public Object getCellEditorValue() {
return formatCombo.getSelectedItem();
}
}