简单的java源程序编辑器 java课程设计

import java.awt.*; import javax.swing.text.*; import java.util.TimerTask; import java.awt.color.*; import java.awt.event.*; import javax.swing.*; import java.util.Timer; import java.io.*; import java.io.IOException; import java.util.StringTokenizer; import javax.swing.event.*; import javax.swing.text.rtf.RTFEditorKit; public class MyJC extends JFrame implements ActionListener,MouseListener//,ItemListener { /* 声明类中所需的成员变量*/ private JFrame frame; private JFrame frame1,frame2; private JPanel panel3,panel4; private JButton button1,button2,button3,button4; private JLabel label1,label2,label3,label4; private JTextField tf_code1,tf_code2,tf_string1,tf_string2; private JPanel panel; private JSplitPane jsp; private JScrollPane panel1,panel2; private JTextPane edit_space; private JTextPane compile_message; private JPopupMenu popupmenu; protected StyleContext m_context; protected DefaultStyledDocument m_doc; private MutableAttributeSet keyattr,normalattr; private MutableAttributeSet inputattributes = new RTFEditorKit().getInputAttributes(); private String keyword[]={"abstract","boolean","break","byte","case","catch","char","class","continue", "default","do","double","else","extends","false","final","finally","float","for","if","implements","import","instanceof","int","interface","long","native","new","null","package","private","protected", "public","return","short","static","super","switch","synchronized","this","throw","throws","transient","true","try","void","while"}; //构造方法 public MyJC() { frame=new JFrame ("MyJC"); frame.setSize(800,600); frame.setLocation(100,140); frame.setDefaultCloseOperation(frame.EXIT_ON_CLOSE); Container con=frame.getContentPane(); panel=new JPanel(new GridLayout(1,1)); edit_space=new JTextPane(); compile_message=new JTextPane(); edit_space.setEditable(false); panel1=new JScrollPane(edit_space); panel1.setPreferredSize(new Dimension(300,400)); panel2=new JScrollPane(compile_message); panel.add(panel1); jsp = new JSplitPane(JSplitPane.VERTICAL_SPLIT,true,panel1,panel2); panel.add(jsp); //为编辑面板添加响应事件监听器 // edit_space.addKeyListener(this); edit_space.addMouseListener(this); compile_message=new JTextPane(); con.add(panel); m_context = new StyleContext(); m_doc = new DefaultStyledDocument(m_context); edit_space.setDocument(m_doc); edit_space.addKeyListener(new KeyAdapter() { public void keyReleased(KeyEvent ke) { syntaxparse(); } }); file://定义关键字显示属性 keyattr = new SimpleAttributeSet(); StyleConstants.setForeground(keyattr, Color.red); file://定义一般文本显示属性 normalattr = new SimpleAttributeSet(); StyleConstants.setForeground(normalattr, Color.black); //为框架添加工具栏及菜单 this.addMenu(); frame.setVisible(true); /************************************ 当单击替换字符或字符串按钮弹出框架所需的组件的创建 *************************************/ frame1=new JFrame("Change_Code"); frame2=new JFrame("Change_String"); label1=new JLabel("Input the code "); frame1.setSize(300,160); frame2.setSize(300,160); frame1.setLocation(200,200); frame2.setLocation(200,200); frame1.setLayout(new GridLayout(5,1)); frame2.setLayout(new GridLayout(5,1)); panel3=new JPanel(); panel4=new JPanel(); button1=new JButton("确定"); button2=new JButton("取消"); button3=new JButton("确定"); button4=new JButton("取消"); button1.addActionListener(this); button2.addActionListener(this); button3.addActionListener(this); button4.addActionListener(this); panel3.add(button1); panel3.add(button2); panel4.add(button3); panel4.add(button4); label2=new JLabel("Input the string "); label3=new JLabel("Instead Code:"); label4=new JLabel("Instead String:"); tf_code2=new JTextField(30); tf_string2=new JTextField(30); tf_code1=new JTextField(30); tf_string1=new JTextField(30); frame1.add(label1); frame1.add(tf_code1); frame1.add(label3); frame1.add(tf_code2); frame1.add(panel3); frame2.add(label2); frame2.add(tf_string1); frame2.add(label4); frame2.add(tf_string2); frame2.add(panel4); frame1.setVisible(false); frame2.setVisible(false); frame1.setDefaultCloseOperation(frame1.HIDE_ON_CLOSE); frame2.setDefaultCloseOperation(frame2.HIDE_ON_CLOSE); /*内部类，重写TimerTask的run()方法，实现文件的定时备份*/ class TTask extends TimerTask { public void run() { File file; file=new File("E:\\Copy.java"); try { FileOutputStream fout=new FileOutputStream("E:\\Copy.java"); byte buff[]=new byte[1000]; String line; line=edit_space.getText(); buff=line.getBytes(); fout.write(buff); fout.close(); } catch(IOException e1) { } } } Timer timer=new Timer(); timer.schedule(new TTask(),10,1000); } //为创建的框架添加菜单 private void addMenu() { JMenuBar menubar=new JMenuBar(); frame.setJMenuBar(menubar); //添加文件菜单及其的各个菜单项 JMenu menu_file=new JMenu("File"); menubar.add(menu_file); JMenuItem menuitem_new =new JMenuItem("New"); menu_file.add(menuitem_new); menu_file.addSeparator(); JMenuItem menuitem_open=new JMenuItem("Open"); menu_file.add(menuitem_open); menu_file.addSeparator(); JMenuItem menuitem_close=new JMenuItem("Close"); menu_file.add(menuitem_close); menu_file.addSeparator(); JMenuItem menuitem_save=new JMenuItem("Save"); menu_file.add(menuitem_save); menu_file.addSeparator(); JMenuItem menuitem_saveas=new JMenuItem("SaveAs"); menu_file.add(menuitem_saveas); menu_file.addSeparator(); JMenuItem menuitem_exit=new JMenuItem("Exit"); menu_file.add(menuitem_exit); //各个菜单项添加单击事件监听器 menuitem_new.addActionListener(this); menuitem_open.addActionListener(this); menuitem_close.addActionListener(this); menuitem_save.addActionListener(this); menuitem_saveas.addActionListener(this); menuitem_exit.addActionListener(this); //添加编辑菜单及其菜单项并添加单击事件监听器 JMenu menu_edit=new JMenu("Edit"); menubar.add(menu_edit); JMenu menu_style=new JMenu("Style"); JCheckBoxMenuItem checkbox_bold=new JCheckBoxMenuItem("Bold"); menu_style.add(checkbox_bold); menu_style.addSeparator(); JCheckBoxMenuItem checkbox_italic=new JCheckBoxMenuItem("Italic"); menu_style.add(checkbox_italic); menu_edit.add(menu_style); menu_edit.addSeparator(); JMenu menu_color=new JMenu("Color"); menu_edit.add(menu_color); menu_edit.addSeparator(); ButtonGroup buttongroup=new ButtonGroup(); JRadioButtonMenuItem rb_red=new JRadioButtonMenuItem("Red",true); buttongroup.add(rb_red); menu_color.add(rb_red); JRadioButtonMenuItem rb_green=new JRadioButtonMenuItem("Green",true); buttongroup.add(rb_green); menu_color.add(rb_green); JRadioButtonMenuItem rb_yellow=new JRadioButtonMenuItem("Yellow",true); buttongroup.add(rb_yellow); menu_color.add(rb_yellow); JMenuItem item_selectall=new JMenuItem("SelectAll"); menu_edit.add(item_selectall); item_selectall.addActionListener(this); JMenuItem item_copy2=new JMenuItem("E:\\Copy"); menu_edit.addSeparator(); JMenuItem item_cut1=new JMenuItem("CUT"); JMenuItem item_copy1=new JMenuItem("COPY"); JMenuItem item_paste1=new JMenuItem("PASTE"