liujiao.java

duixuexiyouyong

                InputEvent.CTRL_MASK));
        undoPopup = new JMenuItem("撤消", new ImageIcon("ico/undo.jpg"));
        undoPopup.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z,
                InputEvent.CTRL_MASK));
        cutPopup = new JMenuItem("剪贴", new ImageIcon("ico/Cut16.gif"));
        cutPopup.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,
                InputEvent.CTRL_MASK));
        copyPopup = new JMenuItem("复制", new ImageIcon("ico/copy.gif"));
        copyPopup.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,
                InputEvent.CTRL_MASK));
        pastePopup = new JMenuItem("粘贴", new ImageIcon("ico/paste.gif"));
        pastePopup.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V,
                InputEvent.CTRL_MASK));
        selectAllPopup = new JMenuItem("全选", new ImageIcon("ico/selectAll.gif"));
        selectAllPopup.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,
                InputEvent.CTRL_MASK));
        textPopup.add(redoPopup);
        textPopup.add(undoPopup);
        textPopup.addSeparator();
        textPopup.add(cutPopup);
        textPopup.add(copyPopup);
        textPopup.add(pastePopup);
        textPopup.addSeparator();
        textPopup.add(selectAllPopup);
        // 设置弹出菜单响应事件
        redoPopup.addActionListener(this);
        undoPopup.addActionListener(this);
        cutPopup.addActionListener(this);
        copyPopup.addActionListener(this);
        pastePopup.addActionListener(this);
        selectAllPopup.addActionListener(this);
        // 设置文件对话实例
        chooser = new JFileChooser();
        // 设置撤消、重复对象实例
        undoManger = new UndoManager();
        
        text.getDocument().addUndoableEditListener(this);
    }
    // 各主件的行为响应
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == new1 || e.getSource() == bnew) {
            if (true ==textAction) {
                saveDialog();
                liujiao.start();
            } else {
                liujiao.start();
            }
        }
        if (e.getSource() == open || e.getSource() == bopen) {
            openDialog();
        }
        if (e.getSource() == save || e.getSource() == bsave) {
            saveDialog();
        }
        if (e.getSource() == print || e.getSource() == bprint) {
            try {
                attributes = new HashPrintRequestAttributeSet();
                PrinterJob job = PrinterJob.getPrinterJob();
                if (job.printDialog())
                    job.print(attributes);
            } catch (Exception ex) {
                JOptionPane.showMessageDialog(MainWindow.this, e);
            }
        }
        if (e.getSource() == redo || e.getSource() == bredo
                || e.getSource() == redoPopup) {
             undoManger.redo(); 
        }
        if (e.getSource() == undo || e.getSource() == bundo
                || e.getSource() == undoPopup) {
              undoManger.undo();
        }
        if (e.getSource() == cut || e.getSource() == bcut
                || e.getSource() == cutPopup) {
            text.cut();
        }
        if (e.getSource() == copy || e.getSource() == bcopy
                || e.getSource() == copyPopup) {
            text.copy();
        }
        if (e.getSource() == paste || e.getSource() == bpaste
                || e.getSource() == pastePopup) {
            text.paste();
        }
        if (e.getSource() == find || e.getSource() == bfind) {
            FindDialog dFind = new FindDialog(text, MainWindow.this);
            dFind.setVisible(true);
        }
        if (e.getSource() == timeDate) {
            SimpleDateFormat dateFormat = new SimpleDateFormat(
                    "yyyy'年'MM'月'dd'日'+HH:mm:ss");
            Calendar today = Calendar.getInstance();
            String timeDate = dateFormat.format(today.getTime());
            text.append(timeDate);
        }
        if (e.getSource() == selectAll || e.getSource() == bselectAll
                || e.getSource() == selectAllPopup) {
            text.selectAll();
        }
        if (e.getSource() == newline) {
            text.setLineWrap(true);
        }
        if (e.getSource() == toolBar) {
            if (toolBar.isSelected())
                bar.setVisible(true);
            else
                bar.setVisible(false);
        }
        if (e.getSource() == helpContent || e.getSource() == bhelp) {
            Runtime currentRunTime = Runtime.getRuntime();
            Process newProcess = null;
            try { // c:\winnt\hh.exe 为*.chm帮助文件的启动文件
                newProcess = currentRunTime.exec("hh.exe liujiao.chm");
            } catch (Exception ex) {
                JOptionPane.showMessageDialog(MainWindow.this,
                        "不能正确地加载帮助文件，请检查您的c:\\winnt\\hh.exe文件是否存在", "打开文件",
                        JOptionPane.ERROR_MESSAGE);
                ex.printStackTrace();
            }
        }
        if (e.getSource() == exit || e.getSource() == bexit) {
            if (true ==textAction) {
                saveDialog();
                setVisible(false);
                shutWindow();
            } else {
                setVisible(false);
                shutWindow();
            }
            
        }
        if (e.getSource() == metal) {
            setFace("javax.swing.plaf.metal.MetalLookAndFeel");
        }
        if (e.getSource() == motif) {
            setFace("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
        }
        if (e.getSource() == windows) {
            setFace("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
        }
    }// 各主件的行为响应完毕
    // 外观设置
    public void setFace(String plaf) {
        try {
            UIManager.setLookAndFeel(plaf);
            SwingUtilities.updateComponentTreeUI(this);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    // 打开对话框
    public void openDialog() {
        chooser.setCurrentDirectory(new File("."));
        // 文件过滤
        chooser.setFileFilter(new FileFilter() {
            public boolean accept(File f) {
                String fileName = f.getName().toLowerCase();
                return fileName.endsWith(".txt") || f.isDirectory();
            }
            public String getDescription() {
                return "Text Files";
            }
        });
        int openResult = chooser.showOpenDialog(MainWindow.this);
        if (openResult == JFileChooser.APPROVE_OPTION) {
            text.setText("");
            try {
                in = new BufferedReader(new FileReader(chooser
                        .getSelectedFile().getPath()));
                String line;
                while ((line = in.readLine()) != null) {
                    text.append(line);
                    text.append("\n");
                    text.validate();
                }
            } catch (Exception e) {
                JOptionPane.showMessageDialog(MainWindow.this, "文件不能打开",
                        "打开文件", JOptionPane.ERROR_MESSAGE);
                e.printStackTrace();
            }
        } else {
            JOptionPane.showMessageDialog(MainWindow.this, "请用户选择需要打开的文件",
                    "打开文件", JOptionPane.WARNING_MESSAGE);
        }
    } // 打开对话框完毕
    // 保存对话框
    public void saveDialog() {
        chooser.setCurrentDirectory(new File("."));
        // 文件过滤
        chooser.setFileFilter(new FileFilter() {
            public boolean accept(File f) {
                String fileName = f.getName().toLowerCase();
                return fileName.endsWith(".txt") || f.isDirectory();
            }
            public String getDescription() {
                return "Text Files";
            }
        });
        int saveResult = chooser.showSaveDialog(MainWindow.this);
        if (saveResult == JFileChooser.APPROVE_OPTION) {
            try {
                write = new PrintWriter(new FileOutputStream(chooser
                        .getSelectedFile().getName()), true);
                write.println(text.getText());
            } catch (Exception e) {
                JOptionPane.showMessageDialog(MainWindow.this, "文件不能保存",
                        "保存文件", JOptionPane.ERROR_MESSAGE);
                e.printStackTrace();
            }
        } else {
            JOptionPane.showMessageDialog(MainWindow.this, "请用户保存需要的文件",
                    "保存文件", JOptionPane.WARNING_MESSAGE);
        }
    }// 保存对话框完毕
    public void shutWindow() {
        System.gc();
    }
    public void keyTyped(KeyEvent e) {
    }
    public void keyPressed(KeyEvent e) {
        textAction = true;
    }
    public void keyReleased(KeyEvent e) {
    }
    public void mouseClicked(MouseEvent e) {
    }
    public void mousePressed(MouseEvent me) {
        if (me.isPopupTrigger()) {
            textPopup.show(text, me.getX(), me.getY());
        }
    }
    public void mouseReleased(MouseEvent me) {
        if (me.isPopupTrigger()) {
            textPopup.show(text, me.getX(), me.getY());
        }
    }
    public void mouseEntered(MouseEvent e) {
    }
    public void mouseExited(MouseEvent e) {
    }
    // undo redo 判断是否可用
    public void undoableEditHappened(UndoableEditEvent parm1) {
        undoManger.addEdit(parm1.getEdit());
        // System.out.println(uedit);
        /*if (undoManger.canUndo()) {
            undo.setEnabled(true);
            bredo.setEnabled(true);
            // undoPopupItem.setEnabled(true);
        } else {
            undo.setEnabled(false);
            bundo.setEnabled(false);
            // undoPopupItem.setEnabled(false);
        }
        if (undoManger.canRedo()) {
            redo.setEnabled(true);
            bredo.setEnabled(true);
            // redoPopupItem.setEnabled(true);
        } else {
            redo.setEnabled(false);
            bredo.setEnabled(false);
            // redoPopupItem.setEnabled(false);
        }*/
    }
    public void windowOpened(WindowEvent e) {
        scroll.setFocusable(true);
    }
    public void windowClosing(WindowEvent e) {
        if (true == textAction) {
            saveDialog();
            setVisible(false);
        }
    }
    public void windowClosed(WindowEvent e) {
    }
    public void windowIconified(WindowEvent e) {
    }
    public void windowDeiconified(WindowEvent e) {
    }
    public void windowActivated(WindowEvent e) {
    }
    public void windowDeactivated(WindowEvent e) {
    }
}
// 数据库对话框行为
class Database extends JDialog implements KeyListener, WindowListener {
    JLabel lServer, lDbName, lSql, lUsername, lPassword;
    JTextField tServer, tDbName, tSql, tUsername;
    JPasswordField password;
    JButton bConection, bCancel;
    String strServer, strDbName, strSql, strUsername, strPassword;
    JPanel inputPane, buttonPane;
    public Database(JFrame databaseDialog) {
        super(databaseDialog, "连接数据库", true);
        Container contentPane = getContentPane();
        buttonPane = new JPanel();
        inputPane = new JPanel();
        contentPane.add(inputPane, BorderLayout.CENTER);
        inputPane.setLayout(new GridLayout(6, 2));
        // contentPane.setLayout();
        lServer = new JLabel("数据库服务器");
        lDbName = new JLabel("数据库名字");
        lSql = new JLabel("SQL语句");
        lUsername = new JLabel("数据库的用户名");
        lPassword = new JLabel("数据库的密码");
        tServer = new JTextField();
        tDbName = new JTextField();
        tSql = new JTextField("SELECT * FROM ");
        tUsername = new JTextField();
        password = new JPasswordField();
        bConection = new JButton("连接", new ImageIcon("ico/rs.gif"));