/*
    *  XNap - A P2P framework and client.
    *
    *  See the file AUTHORS for copyright information.
    *
    *  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.
    *
   *  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, write to the Free Software
   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.xnap.plugin.jtella;
  
  import java.awt.BorderLayout;
  import java.awt.GridBagLayout;
  import java.awt.event.ActionEvent;
  
  import javax.swing.AbstractAction;
  import javax.swing.Action;
  import javax.swing.JButton;
  import javax.swing.JPanel;
  import javax.swing.JScrollPane;
  import javax.swing.JTable;
  import javax.swing.JTextField;
  
  import org.xnap.XNap;
  import org.xnap.gui.ActionProvider;
  import org.xnap.gui.component.ValidatedTextField;
  import org.xnap.gui.component.XNapButton;
  import org.xnap.gui.util.GUIHelper;
  import org.xnap.gui.util.GridBagHelper;
  import org.xnap.gui.util.IconHelper;
  import org.xnap.util.StringHelper;
  
  import com.kenmccrary.jtella.GNUTellaConnection;
  
  public class JTellaPanel extends JPanel implements ActionProvider {
  
      // --- Data Field(s) ---
  
      private JTellaConnectionTableModel tmConnections;
      private JTable jtConnections;
  
      private JTextField jtfHost;
      private ValidatedTextField vtfPort;
  
      private ConnectAction acConnect = new ConnectAction();
      private DisconnectAction acDisconnect = new DisconnectAction();
  
      // --- Constructor(s) ---
  
      public JTellaPanel() 
      {
          setLayout(new GridBagLayout());
  
  	// connections
  	JPanel jpConnections = new JPanel(new BorderLayout());
  	jpConnections.setBorder(GUIHelper.createDefaultBorder(XNap.tr("Connections")));
  	GridBagHelper.addPanel(this, jpConnections);
  
  	tmConnections = new JTellaConnectionTableModel();
  	jtConnections = tmConnections.createTable
  	    (JTellaPlugin.getPreferences(), "connection");
  	jpConnections.add(new JScrollPane(jtConnections), BorderLayout.CENTER);
  
  	// add servant Panel
  	JPanel jpConnect = new JPanel(new GridBagLayout());
  	GridBagHelper.add(this, jpConnect);
  
  	Action acAdd = new AddServantAction();
  
  	GridBagHelper.addLabel(jpConnect, XNap.tr("Host"));
  	jtfHost = new JTextField("localhost", 15);
  	GUIHelper.bindEnterKey(jtfHost, acAdd);
  	GridBagHelper.addComponent(jpConnect, jtfHost);
  
  	GridBagHelper.addLabel(jpConnect, XNap.tr("Port"));
  	vtfPort = new ValidatedTextField("6349", 5, StringHelper.NUMBERS_INT);
  	GUIHelper.bindEnterKey(vtfPort, acAdd);
  	GridBagHelper.addComponent(jpConnect, vtfPort);
  
  	GridBagHelper.addLabel(jpConnect, "");
  	JButton jbAdd = new XNapButton(acAdd);
  	GridBagHelper.addComponent(jpConnect, jbAdd);
  
  	// button
  	GridBagHelper.addComponent(this, new XNapButton(acConnect));
  	GridBagHelper.addComponent(this, new XNapButton(acDisconnect));
  
  	GridBagHelper.addVerticalSpacer(this);
  
 	// initialize
 	tmConnections.setConnected(JTellaPlugin.getInstance().isStarted());
     }
 
     // --- Method(s) ---
 
     /***
      * Called by {@link JTellaPlugin} when a connection to the network
      * is established or lost. Updates the actions.
      */
     public void setConnected(boolean connected)
     {
 	acConnect.setEnabled(!connected);
 	acDisconnect.setEnabled(connected);
 	tmConnections.setConnected(connected);
     }
 
     public Action[] getActions()
     {
 	return new Action[] { acConnect, acDisconnect, };
     }
 
     // --- Inner Class(es) ---
 
     /***
      * Connects to a servant.
      */
     private class AddServantAction extends AbstractAction {
 
         public AddServantAction() 
 	{
             putValue(Action.NAME, XNap.tr("Add Servant"));
             putValue(Action.SHORT_DESCRIPTION, 
 		     XNap.tr("Connects to host:port."));
         }
 
         public void actionPerformed(ActionEvent event) 
 	{
 	    String host = jtfHost.getText();
 	    int port = vtfPort.getIntValue();
 
 	    if (!JTellaPlugin.getInstance().isStarted()) {
 		JTellaPlugin.getInstance().startConnection();
 	    }
 
 	    GNUTellaConnection c = JTellaPlugin.getInstance().getConnection();
 	    c.addConnection(host, port);
         }
 
     } 
 
     /***
      * Connects to the network.
      */
     private class ConnectAction extends AbstractAction {
 
         public ConnectAction() 
 	{
             putValue(Action.NAME, XNap.tr("Connect"));
             putValue(Action.SHORT_DESCRIPTION,
 		     XNap.tr("Connects to the gnutella network."));
 	    putValue(IconHelper.XNAP_ICON, "connect_creating.png");
 
 	    this.setEnabled(!JTellaPlugin.getInstance().isStarted());
         }
 
         public void actionPerformed(ActionEvent event) 
 	{
 	    JTellaPlugin.getInstance().startConnection();
 	}
 
     } 
 
     /***
      * Disconnects from the network.
      */
     private class DisconnectAction extends AbstractAction {
 
         public DisconnectAction() 
 	{
             putValue(Action.NAME, XNap.tr("Disconnect"));
             putValue(Action.SHORT_DESCRIPTION,
 		     XNap.tr("Disconnects from the gnutella network."));
 	    putValue(IconHelper.XNAP_ICON, "connect_no.png");
 
 	    this.setEnabled(JTellaPlugin.getInstance().isStarted());
         }
 
         public void actionPerformed(ActionEvent event) 
 	{
 	    JTellaPlugin.getInstance().stopConnection();
         }
 
     } 
 
 }