source: src/main/java/genius/gui/panels/RepItemVarUI.java@ 61

package genius.gui.panels;

import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;

import javax.swing.GroupLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JList;
import javax.swing.JScrollPane;

/**
 * Improved version of the ProfileVarUI and AgentVarUI classes.
 * 
 * @author Mark Hendrikx (m.j.c.hendrikx@student.tudelft.nl)
 * @version 04/12/11
 * @param <A>
 *            type of the profile items
 */
public class RepItemVarUI<A> extends JDialog {

        private static final long serialVersionUID = 1L;
        private JButton okButton = new JButton("Ok");
        private JButton clearButton = new JButton("Clear");
        private JButton cancelButton = new JButton("Cancel");
        private JList<A> profileList = new JList<A>();
        private JScrollPane scrollPane = new JScrollPane();
        private ArrayList<A> result;
        private ExtendedListModel<A> model;

        /**
         * Creates the RepItem Selector.
         * 
         * @param frame
         *            of the caller
         */
        public RepItemVarUI(Frame frame, String title) {
                super(frame, title, true);
                this.setLocation(frame.getLocation().x + frame.getWidth() / 2, frame.getLocation().y + frame.getHeight() / 4);
                this.setSize(frame.getSize().width / 3, frame.getSize().height / 2);
        }

        /**
         * Initialize the GUI components. The GUI code is based on code created by
         * using the Netbeans GUIbuilder.
         * 
         * @return list of profiles
         */
        public List<A> getResult(ArrayList<A> items, ArrayList<A> selectedItems) {

                // Set the list model
                model = new ExtendedListModel<A>();
                profileList.setModel(model);

                model.setInitialContent(items);

                // Set a custom selection model (each click toggles a listitem on/off)
                profileList.setSelectionModel(new MultiListSelectionModel());

                // Select previously selected items
                for (A item : selectedItems) {
                        profileList.setSelectedValue(item, true);
                }

                scrollPane.setViewportView(profileList);

                okButton.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                                ArrayList<A> profiles = new ArrayList<A>();
                                for (int item : profileList.getSelectedIndices()) {
                                        profiles.add((A) model.getElementAt(item));
                                }
                                result = profiles;
                                dispose();
                        }
                });

                clearButton.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                                profileList.clearSelection();
                        }
                });

                cancelButton.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                                dispose();
                        }
                });

                // Set the layout of the GUI (autogenerated using Netbeans)
                javax.swing.GroupLayout layout = new GroupLayout(getContentPane());
                this.setLayout(layout);
                layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(layout.createSequentialGroup().addContainerGap()
                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                                .addComponent(scrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 360, Short.MAX_VALUE)
                                                                .addGroup(layout.createSequentialGroup()
                                                                                .addComponent(okButton, javax.swing.GroupLayout.PREFERRED_SIZE, 82,
                                                                                                javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                                .addGap(18, 18, 18)
                                                                                .addComponent(clearButton, javax.swing.GroupLayout.PREFERRED_SIZE, 82,
                                                                                                javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                                .addGap(18, 18, 18).addComponent(cancelButton,
                                                                                                javax.swing.GroupLayout.PREFERRED_SIZE, 82,
                                                                                                javax.swing.GroupLayout.PREFERRED_SIZE)))
                                                .addGap(18, 18, 18).addContainerGap()));
                layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(
                                javax.swing.GroupLayout.Alignment.TRAILING,
                                layout.createSequentialGroup().addContainerGap()
                                                .addComponent(scrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 379, Short.MAX_VALUE)
                                                .addGap(18, 18, 18)
                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                                                .addComponent(okButton).addComponent(clearButton).addComponent(cancelButton))
                                                .addContainerGap()));
                setVisible(true);
                return result;
        }
}