NetworkPanel.java

package org.ggp.base.apps.player.network;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
import javax.swing.table.DefaultTableModel;

import org.ggp.base.player.event.PlayerReceivedMessageEvent;
import org.ggp.base.player.event.PlayerSentMessageEvent;
import org.ggp.base.player.gamer.event.GamerNewMatchEvent;
import org.ggp.base.util.observer.Event;
import org.ggp.base.util.observer.Observer;
import org.ggp.base.util.ui.table.JZebraTable;


@SuppressWarnings("serial")
public final class NetworkPanel extends JPanel implements Observer
{
    private final JZebraTable networkTable;

    public NetworkPanel()
    {
        super(new GridBagLayout());

        DefaultTableModel model = new DefaultTableModel();
        model.addColumn("Received");
        model.addColumn("Sent");

        networkTable = new JZebraTable(model)
        {
            @Override
            public boolean isCellEditable(int rowIndex, int colIndex)
            {
                return false;
            }
        };
        networkTable.setShowHorizontalLines(true);
        networkTable.setShowVerticalLines(true);

        this.add(new JScrollPane(networkTable, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED), new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(5, 5, 5, 5), 5, 5));
    }

    @Override
    public void observe(Event event)
    {
        if (event instanceof PlayerReceivedMessageEvent)
        {
            observe((PlayerReceivedMessageEvent) event);
        }
        else if (event instanceof PlayerSentMessageEvent)
        {
            observe((PlayerSentMessageEvent) event);
        }
        else if (event instanceof GamerNewMatchEvent)
        {
            observe(event);
        }
    }

    private void observe(PlayerReceivedMessageEvent event)
    {
        DefaultTableModel model = (DefaultTableModel) networkTable.getModel();
        model.addRow(new String[] { "", "" });
        model.setValueAt(event.getMessage(), model.getRowCount() - 1, 0);
    }

    private void observe(PlayerSentMessageEvent event)
    {
        DefaultTableModel model = (DefaultTableModel) networkTable.getModel();
        model.setValueAt(event.getMessage(), model.getRowCount() - 1, 1);
        if (model.getValueAt(model.getRowCount()-1, 0).toString().toLowerCase().equals("( info )")) {
            // When we're observing info requests and responses, don't bother displaying them,
            // since they happen frequently and don't convey much interesting information. This
            // improves the signal-to-noise ratio so the player's actual moves are visible here.
            model.removeRow(model.getRowCount() - 1);
        }
    }

}