简陋记事本

package jishiben; import java.awt.event.KeyEvent; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import java.awt.Event; import java.awt.BorderLayout; import java.awt.FileDialog; import javax.swing.SwingConstants; import javax.swing.SwingUtilities; import javax.swing.KeyStroke; import java.awt.Point; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JMenuItem; import javax.swing.JMenuBar; import javax.swing.JMenu; import javax.swing.JFrame; import javax.swing.JDialog; import javax.swing.JTextArea; public class jishiben { private JFrame jFrame = null; private JPanel jContentPane = null; private JTextArea jTextArea = null; private JMenuBar jJMenuBar = null; private JMenu fileMenu = null; private JMenu editMenu = null; private JMenu helpMenu = null; private JMenu objectMenu = null; private JMenu viewMenu = null; private JMenuItem exitMenuItem = null; private JMenuItem aboutMenuItem = null; private JMenuItem cutMenuItem = null; private JMenuItem copyMenuItem = null; private JMenuItem pasteMenuItem = null; private JMenuItem saveMenuItem = null; private JMenuItem newMenuItem = null; private JMenuItem openMenuItem = null; private JMenuItem setMenuItem = null; private JMenuItem printMenuItem = null; private JMenuItem findMenuItem = null; private JMenuItem removeMenuItem = null; private JMenuItem allMenuItem = null; private JMenuItem zitiMenuItem = null; private JMenuItem solutionMenuItem = null; private JOptionPane jOPtionPane = null; private JDialog aboutDialog = null; private JPanel aboutContentPane = null; private JLabel aboutVersionLabel = null; /** * This method initializes jFrame * * @return javax.swing.JFrame */ private JFrame getJFrame() { if (jFrame == null) { jFrame = new JFrame(); jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jFrame.setJMenuBar(getJJMenuBar()); jFrame.setSize(300, 200); jFrame.setContentPane(getJContentPane()); jFrame.setTitle("文本编辑器"); } return jFrame; } /** * This method initializes jContentPane * * @return javax.swing.JPanel */ private JPanel getJContentPane() { if (jContentPane == null) { jContentPane = new JPanel(); jContentPane.setLayout(new BorderLayout()); jContentPane.add(getjTextArea()); } return jContentPane; } private JTextArea getjTextArea(){ if(jTextArea == null){ jTextArea = new JTextArea(); } return jTextArea; } /** * This method initializes jJMenuBar * * @return javax.swing.JMenuBar */ private JMenuBar getJJMenuBar() { if (jJMenuBar == null) { jJMenuBar = new JMenuBar(); jJMenuBar.add(getFileMenu()); jJMenuBar.add(getEditMenu()); jJMenuBar.add(getobjectMenu()); jJMenuBar.add(getviewMenu()); jJMenuBar.add(getHelpMenu()); } return jJMenuBar; } /** * This method initializes jMenu * * @return javax.swing.JMenu */ private JMenu getFileMenu() { if (fileMenu == null) { fileMenu = new JMenu(); fileMenu.setText("文件"); fileMenu.add(getSaveMenuItem()); fileMenu.add(getExitMenuItem()); fileMenu.add(getopenMenuItem()); fileMenu.add(getnewMenuItem()); fileMenu.add(getsetMenuItem()); fileMenu.add(getprintMenuItem()); } return fileMenu; } /** * This method initializes jMenu * * @return javax.swing.JMenu */ private JMenu getEditMenu() { if (editMenu == null) { editMenu = new JMenu(); editMenu.setText("编辑"); editMenu.add(getCutMenuItem()); editMenu.add(getCopyMenuItem()); editMenu.add(getPasteMenuItem()); editMenu.add(getremoveMenuItem()); editMenu.add(getallMenuItem()); } return editMenu; } /** * This method initializes jMenu * * @return javax.swing.JMenu */ private JMenu getHelpMenu() { if (helpMenu == null) { helpMenu = new JMenu(); helpMenu.setText("帮助"); helpMenu.add(getAboutMenuItem()); } return helpMenu; } private JMenu getobjectMenu() { if (objectMenu == null) { objectMenu = new JMenu(); objectMenu.setText("格式"); objectMenu.add(getAboutMenuItem()); objectMenu.add(getzitiMenuItem()); } return objectMenu; } private JMenu getviewMenu() { if (viewMenu == null) { viewMenu = new JMenu(); viewMenu.setText("查看"); viewMenu.add(getAboutMenuItem()); viewMenu.add(getsolutionMenuItem()); } return viewMenu; } /** * This method initializes jMenuItem * * @return javax.swing.JMenuItem */ private JMenuItem getExitMenuItem() { if (exitMenuItem == null) { exitMenuItem = new JMenuItem(); exitMenuItem.setText("退出"); exitMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, Event.CTRL_MASK, true)); exitMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); } return exitMenuItem; } private JMenuItem getopenMenuItem() { if (openMenuItem == null) { openMenuItem = new JMenuItem(); openMenuItem.setText("打开"); openMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, Event.CTRL_MASK, true)); openMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("打开文件"); FileDialog fd = new FileDialog(jFrame, "打开"); fd.getFilenameFilter(); fd.setVisible(true); fd.setLocation(400, 200); fd.setResizable(false); } }); } return openMenuItem; } private JMenuItem getnewMenuItem() { if (newMenuItem == null) { newMenuItem = new JMenuItem(); newMenuItem.setText("新建"); newMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, Event.CTRL_MASK, true)); newMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("新建文件"); } }); } return newMenuItem; } private JMenuItem getsetMenuItem() { if (setMenuItem == null) { setMenuItem = new JMenuItem(); setMenuItem.setText("设置"); setMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_U, Event.CTRL_MASK, true)); setMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("设置"); } }); } return setMenuItem; } private JMenuItem getprintMenuItem() { if (printMenuItem == null) { printMenuItem = new JMenuItem(); printMenuItem.setText("打印"); printMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, Event.CTRL_MASK, true)); printMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("打印文件"); } }); } return printMenuItem; } private JMenuItem getremoveMenuItem() { if (removeMenuItem == null) { removeMenuItem = new JMenuItem(); removeMenuItem.setText("替换"); removeMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, Event.CTRL_MASK, true)); removeMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("替换文件"); } }); } return removeMenuItem; } private JMenuItem getallMenuItem() { if (allMenuItem == null) { allMenuItem = new JMenuItem(); allMenuItem.setText("全选"); allMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, Event.CTRL_MASK, true)); allMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { jTextArea.selectAll(); System.out.println("全选文件"); } }); } retu