Java tutorial
/******************************************************************************* * Copyright (C) 2006-2014 AITIA International, Inc. * * 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 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ package ai.aitia.meme.paramsweep.intellisweepPlugin.jgap.configurator; import java.awt.Color; import java.awt.Dimension; import java.awt.Point; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.HashMap; import java.util.Map; import javax.swing.DefaultBoundedRangeModel; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JSlider; import javax.swing.JTextField; import javax.swing.Popup; import javax.swing.PopupFactory; import javax.swing.border.LineBorder; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import org.jgap.Configuration; import org.jgap.InvalidConfigurationException; import org.jgap.NaturalSelector; import org.jgap.impl.BestChromosomesSelector; import ai.aitia.meme.paramsweep.gui.DescriptionPopupFactory; import ai.aitia.meme.paramsweep.gui.Page_IntelliExtension; import ai.aitia.meme.paramsweep.gui.component.DefaultJButton; import ai.aitia.meme.paramsweep.utils.WizardLoadingException; import ai.aitia.meme.utils.FormsUtils; import com.jgoodies.forms.layout.CellConstraints; public class BestChromosomeSelectorConfigurator implements IGASelectorConfigurator { //==================================================================================================== // members private static final long serialVersionUID = 1064123324800465362L; private transient JSlider originalRateSlider; private transient JTextField originalRateValueField; private DefaultBoundedRangeModel model = new DefaultBoundedRangeModel(50, 1, 0, 100); //==================================================================================================== // methods //---------------------------------------------------------------------------------------------------- @Override public String getName() { return "Best chromosome selector"; } //---------------------------------------------------------------------------------------------------- @Override public String getDescription() { return "Takes the top n chromosomes into the next generation. n can be specified. Which chromosomes are the best is decided by evaluating their fitness value."; } //---------------------------------------------------------------------------------------------------- @Override public JPanel getSettingsPanel() { originalRateSlider = new JSlider(model); originalRateSlider.setMajorTickSpacing(100); originalRateSlider.setMinorTickSpacing(10); originalRateSlider.setPaintTicks(true); originalRateSlider.setPaintLabels(true); originalRateValueField = new JTextField("50"); originalRateValueField.setPreferredSize(new Dimension(40, 30)); originalRateSlider.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent arg0) { if (originalRateSlider.hasFocus()) originalRateValueField.setText(String.valueOf(originalRateSlider.getValue())); } }); originalRateValueField.getDocument().addDocumentListener(new DocumentListener() { //==================================================================================================== // members private Popup errorPopup; //==================================================================================================== // methods //---------------------------------------------------------------------------------------------------- @Override public void removeUpdate(final DocumentEvent event) { textFieldChanged(); } //---------------------------------------------------------------------------------------------------- @Override public void insertUpdate(final DocumentEvent event) { textFieldChanged(); } //---------------------------------------------------------------------------------------------------- @Override public void changedUpdate(final DocumentEvent event) { textFieldChanged(); } //---------------------------------------------------------------------------------------------------- private void textFieldChanged() { if (!originalRateValueField.hasFocus()) { return; } try { int value = Integer.parseInt(originalRateValueField.getText()); originalRateSlider.setValue(value); if (errorPopup != null) { errorPopup.hide(); errorPopup = null; } } catch (NumberFormatException ex) { PopupFactory popupFactory = PopupFactory.getSharedInstance(); Point locationOnScreen = originalRateValueField.getLocationOnScreen(); JLabel message = new JLabel("Please specify an integer number!"); message.setBorder(new LineBorder(Color.RED, 2, true)); errorPopup = popupFactory.getPopup(originalRateValueField, message, locationOnScreen.x - 10, locationOnScreen.y - 30); errorPopup.show(); } } }); final JButton infoButton = new DefaultJButton(); infoButton.setIcon(Page_IntelliExtension.DESCRIPTION_ICON); infoButton.setBorder(null); infoButton.setBorderPainted(false); infoButton.setContentAreaFilled(false); infoButton.setFocusPainted(false); infoButton.addMouseListener(new MouseAdapter() { @Override public void mouseEntered(final MouseEvent e) { final DescriptionPopupFactory popupFactory = DescriptionPopupFactory.getInstance(); final Popup parameterDescriptionPopup = popupFactory.getPopup(infoButton, getDescription()); parameterDescriptionPopup.show(); } }); return FormsUtils.build("p ~ p p p p:g", "01234", new JLabel("Rate of original population to survive"), originalRateValueField, new JLabel("%"), originalRateSlider, infoButton, CellConstraints.RIGHT) .getPanel(); } //---------------------------------------------------------------------------------------------------- @Override public String toString() { return getName(); } //---------------------------------------------------------------------------------------------------- public NaturalSelector getSelector(final Configuration config) throws InvalidConfigurationException { final BestChromosomesSelector selector = new BestChromosomesSelector(config, model.getValue() / 100.0); selector.setDoubletteChromosomesAllowed(false); return selector; } //---------------------------------------------------------------------------------------------------- public Map<String, String> getConfiguration() { final Map<String, String> result = new HashMap<String, String>(); result.put("originalRate", String.valueOf(model.getValue())); return result; } //---------------------------------------------------------------------------------------------------- public void setConfiguration(final Map<String, String> configuration) throws WizardLoadingException { final String originalRateStr = configuration.get("originalRate"); if (originalRateStr == null) throw new WizardLoadingException(true, "Missing setting: originalRate."); try { final int originalRate = Integer.parseInt(originalRateStr.trim()); if (originalRate < 0 || originalRate > 100) throw new NumberFormatException(); model.setValue(originalRate); if (originalRateValueField != null) { originalRateValueField.setText(originalRateStr.trim()); } } catch (final NumberFormatException e) { throw new WizardLoadingException(true, "Invalid setting for 'originalRate': " + originalRateStr + "."); } } }