root/BH13SPARQLBuilder/src/hozo/sparql/gui/EndpointSelector.java @ 9

package hozo.sparql.gui;

import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.LinkedHashMap;
import java.util.Map;

import javax.swing.AbstractAction;
import javax.swing.DefaultListModel;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.KeyStroke;

import jp.ac.osaka_u.sanken.sparql.EndpointSettings;
import jp.ac.osaka_u.sanken.util.CheckableList;
import jp.ac.osaka_u.sanken.util.CheckableListItem;

public class EndpointSelector extends JDialog {

        /**
         *
         */
        private static final long serialVersionUID = -5270916655051535400L;
        private EndpointSettings[] settings;
        private Map<String, EndpointSettings> settingNames;

        private JPanel jContentPane;
        private CheckableList endpointList;
        private JScrollPane endpointListScrollPane;
        private JPanel buttonPane;
        private JButton okButton;
        private boolean valid = false;

        public EndpointSelector(Frame owner, EndpointSettings[] settings){
                super(owner);

                this.settings = settings;
                this.settingNames = new LinkedHashMap<String, EndpointSettings>();
                this.setTitle("Select the target endpoints");
                for (EndpointSettings setting : settings){
                        settingNames.put(setting.getEndpoint(), setting);
                }

                initialize();
        }

        public boolean isValid(){
                return valid;
        }

        public EndpointSettings[] getSettings(){
                DefaultListModel model = (DefaultListModel)getEndpointList().getModel();
                for (int i=0; i<model.getSize(); i++){
                        CheckableListItem item = (CheckableListItem)model.getElementAt(i);
                        EndpointSettings ep = settingNames.get(item.text);
                        if (ep != null){
                                ep.setTarget(item.selected);
                        }
                }

                return settings;
        }


        /**
         * This method initializes this
         *
         * @return void
         */
        private void initialize() {
                this.setSize(400, 400);
                this.setContentPane(getJContentPane());
                this.setResizable(false);
                this.setModal(true);
                InputMap imap = getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
                imap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "go");
                getRootPane().getActionMap().put("go", new AbstractAction() {
                        /**
                         * 
                         */
                        private static final long serialVersionUID = -4361937227644962283L;

                        @Override
                        public void actionPerformed(ActionEvent e) {
                                valid = true;
                                close();
                        }
                });
        }

        private JPanel getJContentPane() {
                if (jContentPane == null){
                        jContentPane = new JPanel();
                        jContentPane.setLayout(new BorderLayout());
//                      jContentPane.add(new JLabel("Select the target endpoints"), BorderLayout.NORTH);
                        jContentPane.add(getEndpointListScrollPane(), BorderLayout.CENTER);
                        jContentPane.add(getButtonPane(), BorderLayout.SOUTH);
                }

                return jContentPane;

        }

        private CheckableList getEndpointList(){
                if (endpointList == null){
                        DefaultListModel model = new DefaultListModel();
                        for (EndpointSettings setting : settings){
                                model.addElement(new CheckableListItem(setting.getEndpoint(), setting.isTarget()));
                        }

                        endpointList = new CheckableList(model);
                }
                return endpointList;
        }

        private JScrollPane getEndpointListScrollPane(){
                if (endpointListScrollPane == null){
                        endpointListScrollPane = new JScrollPane(getEndpointList());
                }
                return endpointListScrollPane;
        }

        private JPanel getButtonPane(){
                if (buttonPane == null){
                        buttonPane = new JPanel();
                        buttonPane.setLayout(new BorderLayout());
                        buttonPane.add(getOKButton(), BorderLayout.EAST);
                }

                return buttonPane;
        }
        private JButton getOKButton(){
                if (okButton == null){
                        okButton = new JButton("OK");
                        okButton.addActionListener(new ActionListener() {

                                @Override
                                public void actionPerformed(ActionEvent arg0) {
                                        valid = true;
                                        close();
                                }
                        });
                }
                return okButton;
        }



        private void close(){
                this.setVisible(false);
        }

}