SetMapClientAction.java

package games.strategy.engine.framework.networkMaintenance;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.util.Collections;
import java.util.List;

import javax.swing.AbstractAction;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;

import games.strategy.net.IClientMessenger;
import games.strategy.net.INode;

public class SetMapClientAction extends AbstractAction {
  private static final long serialVersionUID = -9156920997678163614L;
  private final Component m_parent;
  private final IClientMessenger m_clientMessenger;
  final List<String> m_availableGames;

  public SetMapClientAction(final Component parent, final IClientMessenger clientMessenger,
      final List<String> availableGames) {
    super("Change Game To");
    m_parent = JOptionPane.getFrameForComponent(parent);
    m_clientMessenger = clientMessenger;
    m_availableGames = availableGames;
    Collections.sort(m_availableGames);
  }

  @Override
  public void actionPerformed(final ActionEvent e) {
    final INode serverNode = m_clientMessenger.getServerNode();
    final DefaultComboBoxModel<String> model = new DefaultComboBoxModel<>();
    final JComboBox<String> combo = new JComboBox<>(model);
    model.addElement("");
    for (final String game : m_availableGames) {
      model.addElement(game);
    }
    if (serverNode == null || model.getSize() <= 1) {
      JOptionPane.showMessageDialog(m_parent, "No available games", "No available games", JOptionPane.ERROR_MESSAGE);
      return;
    }
    final int rVal = JOptionPane.showConfirmDialog(m_parent, combo, "Change Game To: ", JOptionPane.OK_CANCEL_OPTION);
    if (rVal != JOptionPane.OK_OPTION) {
      return;
    }
    final String name = (String) combo.getSelectedItem();
    if (name == null || name.length() <= 1) {
      return;
    }
    m_clientMessenger.changeServerGameTo(name);
  }
}