statuspanel.java

一个类似QQ的在线通讯聊天软件原码,适合初学者参考学习。

package openicq.gui;

import java.awt.*;
import java.awt.event.*;
import java.util.*;

import javax.swing.*;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;

import openicq.Start;
import openicq.data.Resource;

import org.javalib.gui.IconListCellRenderer;
import org.javalib.gui.image.ImagePanel;

import JOscarLib.Core.OscarConnection;
import JOscarLib.Setting.Enum.StatusModeEnum;
import JOscarLib.Tool.OscarInterface;

/**
 * The <code>StatusPanel</code> class is a panel with the status modes.
 * @author Hansgeorg Schwibbe
 * @copyright 2004
 */
public class StatusPanel extends JPanel
{
  private MainFrame mainFrame;

  private int lastIndex;

  private IconListCellRenderer iconCellRenderer;

  protected JComboBox jComboBoxStatus;

  protected StatusModeEnum[] statusMode = new StatusModeEnum[8];

  protected ImagePanel imagePanel;

  /**
   * Initializes a new instance of the class <code>StatusPanel</code>.
   * @param parent the parent frame
   */
  public StatusPanel(JFrame parent)
  {
    this.mainFrame = (MainFrame) parent;
    statusMode[0] = new StatusModeEnum(StatusModeEnum.ONLINE);
    statusMode[1] = new StatusModeEnum(StatusModeEnum.FREE_FOR_CHAT);
    statusMode[2] = new StatusModeEnum(StatusModeEnum.AWAY);
    statusMode[3] = new StatusModeEnum(StatusModeEnum.NA);
    statusMode[4] = new StatusModeEnum(StatusModeEnum.OCCUPIED);
    statusMode[5] = new StatusModeEnum(StatusModeEnum.DND);
    statusMode[6] = new StatusModeEnum(StatusModeEnum.INVISIBLE);
    statusMode[7] = new StatusModeEnum(StatusModeEnum.OFFLINE);
    this.setLayout(new FlowLayout());
    imagePanel = new ImagePanel();
    imagePanel.setImage(Resource.ICON_SOURCE_STATUS[7], 1);
    iconCellRenderer = new IconListCellRenderer(Resource.ICON_SOURCE_STATUS);
    jComboBoxStatus = new JComboBox();
    jComboBoxStatus.setRenderer(iconCellRenderer);
    updateComboBox();
    jComboBoxStatus.addPopupMenuListener(new PopupMenuListener()
    {
      public void popupMenuWillBecomeVisible(PopupMenuEvent e)
      {
      }

      public void popupMenuWillBecomeInvisible(PopupMenuEvent e)
      {
        action_changeStatus();
      }

      public void popupMenuCanceled(PopupMenuEvent e)
      {
      }
    });
    jComboBoxStatus.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        if (e.getModifiers() == AWTEvent.MOUSE_EVENT_MASK)
        {
          action_changeStatus();
        }
      }
    });
    jComboBoxStatus.addKeyListener(new KeyListener()
    {
      public void keyPressed(KeyEvent e)
      {
      }

      public void keyReleased(KeyEvent e)
      {
      }

      public void keyTyped(KeyEvent e)
      {
        if (e.getKeyChar() == KeyEvent.VK_ENTER)
        {
          action_changeStatus();
        }
      }
    });
    jComboBoxStatus.setSelectedIndex(7);
    lastIndex = jComboBoxStatus.getSelectedIndex();
    this.add(imagePanel);
    this.add(jComboBoxStatus);
  }

  /**
   * Action 'Change the status'.
   */
  protected synchronized void action_changeStatus()
  {
    if (lastIndex == jComboBoxStatus.getSelectedIndex())
    {
      return;
    }
    final int index = jComboBoxStatus.getSelectedIndex();
    synchronized (Start.env)
    {
      if (index < 7)
      {
        if (Start.env.getConnection() == null
            || !Start.env.getConnection().isLogged())
        {
          String title = ((String[]) mainFrame.localized.get("stdButtons"))[7];
          if (mainFrame.showPasswordDialog(title) == false)
          {
            jComboBoxStatus.setSelectedIndex(7);
            return;
          }
          String ownId = Start.env.getOwnContact().getContactId();
          Start.env.setConnection(new OscarConnection(Start.env.getHost(),
                                                      Start.env.getPort(),
                                                      ownId,
                                                      Start.env.getPassword()));
          Start.env.getConnection().addObserver(new Observer()
          {
            public void update(Observable obs, Object obj)
            {
              OscarInterface.changeStatus(Start.env.getConnection(),
                                          statusMode[index]);
              mainFrame.contactPanel.initAll();
              imagePanel.setImage(Resource.ICON_SOURCE_STATUS[index], 1);
              Start.env.setLoginStatus(statusMode[index].getMode());
              SysTray.setPrimaryIcon(Resource.ICON_SOURCE_TRAY[index]);
              mainFrame.repaint();
              mainFrame.show();
            }
          });
        }
        else
        {
          OscarInterface.changeStatus(Start.env.getConnection(),
                                      statusMode[index]);
          imagePanel.setImage(Resource.ICON_SOURCE_STATUS[index], 1);
          Start.env.setLoginStatus(statusMode[index].getMode());
          SysTray.setPrimaryIcon(Resource.ICON_SOURCE_TRAY[index]);
          mainFrame.repaint();
          mainFrame.show();
        }
        lastIndex = jComboBoxStatus.getSelectedIndex();
      }
      else
      {
        try
        {
          imagePanel.setImage(Resource.ICON_SOURCE_STATUS[7], 1);
          lastIndex = jComboBoxStatus.getSelectedIndex();
          if (Start.env.getConnection() == null
              || !Start.env.getConnection().isLogged())
          {
            throw new Exception();
          }
          Start.env.getConnection().close();
          Start.env.setConnection(null);
          StatusModeEnum statusMode;
          String iconPath = Resource.ICON_SOURCE_STATUS[7];
          int size = Start.env.getKnownList().getContactListSize();
          for (int idx = 1; idx <= size; idx++)
          {
            statusMode = new StatusModeEnum(StatusModeEnum.OFFLINE);
            Start.env.getKnownList().get(idx - 1).setCurrentStatus(statusMode);
            mainFrame.contactPanel.listIconSources.set(idx, iconPath);
          }
          ArrayList iconSources = mainFrame.contactPanel.listIconSources;
          Object[] contactIds = mainFrame.contactPanel.listContactIds.toArray();
          mainFrame.contactPanel.manager.setIconSources(iconSources, contactIds);
          try
          {
            SysTray.setPrimaryIcon(Resource.ICON_SOURCE_TRAY[7]);
          }
          catch (Exception ex)
          {
            System.err.println(this.getClass().getName() + ": " + ex.toString());
          }
          mainFrame.repaint();
          mainFrame.show();
        }
        catch (Exception ex)
        {
          String msg, title;
          msg = ((String[]) mainFrame.localized.get("errorMessages"))[0];
          title = ((String[]) mainFrame.localized.get("messageTitlese"))[0];
          JOptionPane.showMessageDialog(mainFrame, msg, title,
                                        JOptionPane.ERROR_MESSAGE);
        }
      }
    }
  }

  /**
   * Selects the combo box element at the specified index.
   * @param index the specified index
   */
  protected void action_setSelectedIndex(int index)
  {
    this.jComboBoxStatus.setSelectedIndex(index);
    this.lastIndex = index;
  }

  /**
   * Updates the combo box.
   */
  public void updateComboBox()
  {
    int savedIndex = jComboBoxStatus.getSelectedIndex();
    jComboBoxStatus.removeAllItems();
    String item;
    for (int index = 0; index <= 7; index++)
    {
      item = ((String[]) mainFrame.localized.get("StatusPanelList"))[index];
      jComboBoxStatus.addItem(item);
    }
    int width = jComboBoxStatus.getMinimumSize().width
                + iconCellRenderer.getMaxIconWidth();
    int height = jComboBoxStatus.getMinimumSize().height;
    jComboBoxStatus.setPreferredSize(new Dimension(width, height));
    jComboBoxStatus.setSelectedIndex(savedIndex);
  }
}