mainframe.java~108~

我自己用java写的记事本

      {
        fos.close();
      }
      catch (IOException e2)
      {
      }
    }
    changed = false;
  }

  //****************************************************************************

   public void jMenuItem4_actionPerformed(ActionEvent e)
   {
     topSetting();
   }

  private void topSetting()
  {
    if (!fontSetting.isVisible())
    {
      fontSetting.setVisible(true);
    }
    else
    {
      //如果窗口正在显示，则不用设置显示,将此窗口显示在最前面
      fontSetting.toFront();
    }
  }

  void autoLineWrapItem_stateChanged(ChangeEvent e)
  {
    autoLineWrap();
  }

  private void autoLineWrap()
  {
    if (autoLineWrapItem.isSelected())
    {
      contentText.setLineWrap(true);
    }
    else
    {
      contentText.setLineWrap(false);
    }
  }

  void jMenuItem6_actionPerformed(ActionEvent e)
  {
    //以弹出提示对话框的形式说明本软件的一些简单信息
    String helpMessage = "此软件实为2001级计算机科学与技术专业面向对象程序设计" + '\n'
        + "第一组的程序设计，具体要求是模仿windows的记事本，做" + '\n'
        + "一个文字处理器，要求能对文本进行字体的选择，字号的设" + '\n'
        + "定，字体颜色的的设置等操作，同时要实现打开与保存功能" + '\n'
        + "组长：谭正辉  成员：海航 苏运敏 黄锋 邹宁 陈瑞佳 林" + '\n'
        + "猛 崔林 吴石林 林继青 周娴 羊吉兰***************" + '\n'; ;
    ShowECM.showMessage(helpMessage, "帮助系统");
  }

  //全选操作
  void jMenuItem11_actionPerformed(ActionEvent e)
  {
    contentText.selectAll();
  }

  //剪切操作
  void jMenuItem8_actionPerformed(ActionEvent e)
  {
    contentText.cut();
  }

  //粘贴操作
  void jMenuItem9_actionPerformed(ActionEvent e)
  {
    contentText.paste();
  }

  void jMenuItem10_actionPerformed(ActionEvent e)
  {
    contentText.replaceSelection("");
  }

  void jMenuItem5_actionPerformed(ActionEvent e)
  {
    createNewText();
    //结束新建菜单响应事件
  }

  private void createNewText() throws HeadlessException
  {
    int n;
    Object[] option =
        {
        "是", "否", "取消"};
    if (changed == true)
    {
      //打开消息对话框
      n = JOptionPane.showOptionDialog(null,
                                       "你的文件还没有保存，你想现在保存吗？",
                                       "保存",
                                       JOptionPane.YES_NO_CANCEL_OPTION,
                                       JOptionPane.QUESTION_MESSAGE,
                                       null,
                                       option,
                                       option[0]);
      switch (n)
      {
        case JOptionPane.YES_OPTION:
        {
          doSave(fileName); //保存文件
          fileName = null; //清除文件名
          contentText.setText(""); //清除编辑区
          changed = false;
          break;
        }
        case JOptionPane.NO_OPTION:
        {
          fileName = null;
          contentText.setText("");
          changed = false;
          break;
        }
        case JOptionPane.CANCEL_OPTION:
        {
          break;
        }
        default:
      }
    }
    else
    {
      fileName = null;
      contentText.setText("");
    }
    stateLabel.setText(" ");
  }

  void jMenuItem1_actionPerformed(ActionEvent e)
  {
    openText();
  } //打开菜单事件结束

  private void openText() throws HeadlessException
  {
    jfc.showOpenDialog(this);
    if (jfc.getSelectedFile().toString() != "")
    {
      fileName = jfc.getSelectedFile().toString();
      FileInputStream fis = null;
      String str = null;
      try
      {
        fis = new FileInputStream(fileName); //创建打开文件输入流
        int size = fis.available();

        byte[] bytes = new byte[size]; //建立字节数组对象
        fis.read(bytes);
        str = new String(bytes);
      }
      catch (IOException ex)
      {
      }
      finally
      {
        try
        {
          fis.close();
        }
        catch (IOException ev)
        {
        }
      }
      if (str != null)
      {
        contentText.setText(str);
      }
      changed = false;
      //stateLabel.setText(fileName + "  文件大小为：" + (new File(fileName)).length() +
      //                   " 字节"); //在状态栏上设置当前文件
    }
  }

  //如果是打开已有的文件修改后保存，则会覆盖原来的文件
  void jMenuItem2_actionPerformed(ActionEvent e)
  {
    //保存
    doSave(fileName);
  }

  void jMenuItem12_actionPerformed(ActionEvent e)
  {
    //另存为
    doSaveAs();
  }

  void newButton_actionPerformed(ActionEvent e)
  {
    //新建
    createNewText();
  }

  void openButton_actionPerformed(ActionEvent e)
  {
    //打开
    openText();
  }

  void saveButton_actionPerformed(ActionEvent e)
  {
    //保存
    doSave(fileName);
  }

  void findButton_actionPerformed(ActionEvent e)
  {
    //查找
    findString();
  }

  //查找字符串处理
  void findString()
  {
    //显示查找对话框
    findStringDialog = new FindDialog(this, "查找", false);
    findStringDialog.setVisible(true);
  }

  void jMenuItem13_actionPerformed(ActionEvent e)
  {
    findString();
  }

  //默认界面
  void defaultUIMenu_actionPerformed(ActionEvent e)
  {
    try
    {
      //设置成meta界面，然后重启程序
      UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
      dispose();
      new Application1();

    }
    catch (Exception ex)
    {
    }
  }

  void jMenuItem15_actionPerformed(ActionEvent e)
  {
    try
    {
      //设置成meta界面，然后重启程序
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
      dispose();
      new Application1();
    }
    catch (Exception ex)
    {
    }
  }

  void this_windowClosing(WindowEvent e)
  {
    quitHandle(); //关闭窗口就调用关闭处理方法
  }

  void this_windowClosed(WindowEvent e)
  {

  }

  void jRadioButtonMenuItem1_stateChanged(ChangeEvent e)
  {
    autoLineWrap();
  }

  void jMenuItem28_actionPerformed(ActionEvent e)
  {
    topSetting();
  }

  void jMenuItem14_actionPerformed(ActionEvent e)
  {
    createNewText();
  }

  void jMenuItem20_actionPerformed(ActionEvent e)
  {
    openText();
  }

  void jMenuItem21_actionPerformed(ActionEvent e)
  {
    doSave(fileName);
  }

  void jMenuItem22_actionPerformed(ActionEvent e)
  {
    //另存为
    doSaveAs();
  }

  void jMenuItem23_actionPerformed(ActionEvent e)
  {
    contentText.cut();
  }

  void jMenuItem24_actionPerformed(ActionEvent e)
  {
    contentText.copy();
  }

  void jMenuItem25_actionPerformed(ActionEvent e)
  {
    contentText.paste();
  }

  void jMenuItem26_actionPerformed(ActionEvent e)
  {
    contentText.replaceSelection("");
  }

  void jMenuItem27_actionPerformed(ActionEvent e)
  {
    System.exit(0);
  }
}

class MainFrame_jMenuItem4_actionAdapter
    implements ActionListener
{
  private MainFrame adaptee;
  MainFrame_jMenuItem4_actionAdapter(MainFrame adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.jMenuItem4_actionPerformed(e);
  }
}

class MainFrame_jMenuItem3_actionAdapter
    implements ActionListener
{
  private MainFrame adaptee;
  MainFrame_jMenuItem3_actionAdapter(MainFrame adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.jMenuItem3_actionPerformed(e);
  }
}

class MainFrame_jMenuItem7_actionAdapter
    implements ActionListener
{
  private MainFrame adaptee;
  MainFrame_jMenuItem7_actionAdapter(MainFrame adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.jMenuItem7_actionPerformed(e);
  }
}

class MainFrame_autoLineWrapItem_changeAdapter
    implements javax.swing.event.ChangeListener
{
  MainFrame adaptee;

  MainFrame_autoLineWrapItem_changeAdapter(MainFrame adaptee)
  {
    this.adaptee = adaptee;
  }

  public void stateChanged(ChangeEvent e)
  {
    adaptee.autoLineWrapItem_stateChanged(e);
  }
}

class MainFrame_jMenuItem11_actionAdapter
    implements java.awt.event.ActionListener
{
  MainFrame adaptee;

  MainFrame_jMenuItem11_actionAdapter(MainFrame adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
    adaptee.jMenuItem11_actionPerformed(e);
  }
}