- import java.awt.Font;
- import java.awt.event.ActionEvent;
- import java.awt.event.ActionListener;
- import java.io.BufferedReader;
- import java.io.BufferedWriter;
- import java.io.File;
- import java.io.FileNotFoundException;
- import java.io.FileReader;
- import java.io.FileWriter;
- import java.io.IOException;
- import javax.swing.ButtonGroup;
- import javax.swing.ImageIcon;
- import javax.swing.JFileChooser;
- import javax.swing.JFrame;
- import javax.swing.JMenu;
- import javax.swing.JMenuBar;
- import javax.swing.JMenuItem;
- import javax.swing.JOptionPane;
- import javax.swing.JRadioButtonMenuItem;
- import javax.swing.JScrollPane;
- import javax.swing.JTextArea;
- import javax.swing.UIManager;
- import javax.swing.border.BevelBorder;
- import javax.swing.filechooser.FileNameExtensionFilter;
- public class Ch04 implements ActionListener{
- JFrame fm;
- JScrollPane sp;
- JTextArea ta;
- JMenuBar mb;
- JMenu mn_file, mn_edit, mn_option, mn_help, mn_size, mn_type, mn_style;
- JMenuItem mi_new, mi_open, mi_save, mi_exit, mi_copy, mi_paste, mi_cut, mi_selectall, mi_about;
- JRadioButtonMenuItem rbmi_size[]=new JRadioButtonMenuItem[3];
- JRadioButtonMenuItem rbmi_type[]=new JRadioButtonMenuItem[4];
- JRadioButtonMenuItem rbmi_style[]=new JRadioButtonMenuItem[2];
- ButtonGroup btg_1, btg_2, btg_3;
- ImageIcon ic, ii_new, ii_open, ii_save, ii_exit, ii_copy, ii_paste, ii_cut, ii_selectall, ii_about, ii_developer, ii_size, ii_type, ii_style;
- JFileChooser fc;
- FileNameExtensionFilter filter;
- Ch04()
- {
- initialize();
- }
- void initialize()
- {
- try {
- UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
- } catch (Exception e) {}
- ic=new ImageIcon(Ch04.class.getResource("pic/editor.png"));
- ii_new=new ImageIcon(Ch04.class.getResource("pic/new.png"));
- ii_open=new ImageIcon(Ch04.class.getResource("pic/open.png"));
- ii_save=new ImageIcon(Ch04.class.getResource("pic/save.png"));
- ii_exit=new ImageIcon(Ch04.class.getResource("pic/exit.png"));
- ii_copy=new ImageIcon(Ch04.class.getResource("pic/copy.png"));
- ii_paste=new ImageIcon(Ch04.class.getResource("pic/paste.png"));
- ii_cut=new ImageIcon(Ch04.class.getResource("pic/cut.png"));
- ii_selectall=new ImageIcon(Ch04.class.getResource("pic/selectall.png"));
- ii_about=new ImageIcon(Ch04.class.getResource("pic/about.png"));
- ii_developer=new ImageIcon(Ch04.class.getResource("pic/developer.png"));
- ii_size=new ImageIcon(Ch04.class.getResource("pic/size.png"));
- ii_type=new ImageIcon(Ch04.class.getResource("pic/type.png"));
- ii_style=new ImageIcon(Ch04.class.getResource("pic/style.png"));
- filter=new FileNameExtensionFilter("純文字檔案", "txt");
- fc=new JFileChooser();
- fc.addChoosableFileFilter(filter);
- fc.setFileFilter(filter);
- mi_new=new JMenuItem("開新檔案",ii_new);
- mi_new.addActionListener(this);
- mi_open=new JMenuItem("開啟舊檔",ii_open);
- mi_open.addActionListener(this);
- mi_save=new JMenuItem("儲存檔案",ii_save);
- mi_save.addActionListener(this);
- mi_exit=new JMenuItem("結束",ii_exit);
- mi_exit.addActionListener(this);
- mi_copy=new JMenuItem("複製",ii_copy);
- mi_copy.addActionListener(this);
- mi_paste=new JMenuItem("貼上",ii_paste);
- mi_paste.addActionListener(this);
- mi_cut=new JMenuItem("剪下",ii_cut);
- mi_cut.addActionListener(this);
- mi_selectall=new JMenuItem("全選",ii_selectall);
- mi_selectall.addActionListener(this);
- mi_about=new JMenuItem("關於 My Editor",ii_about);
- mi_about.addActionListener(this);
-
- rbmi_size[0]=new JRadioButtonMenuItem("大(22)");
- rbmi_size[1]=new JRadioButtonMenuItem("中(18)", true);
- rbmi_size[2]=new JRadioButtonMenuItem("小(14)");
- btg_1=new ButtonGroup();
- for(int i=0; i<rbmi_size.length; i++)
- btg_1.add(rbmi_size[i]);
- rbmi_type[0]=new JRadioButtonMenuItem("一般", true);
- rbmi_type[1]=new JRadioButtonMenuItem("粗體");
- rbmi_type[2]=new JRadioButtonMenuItem("斜體");
- rbmi_type[3]=new JRadioButtonMenuItem("粗體+斜體");
- btg_2=new ButtonGroup();
- for(int i=0; i<rbmi_type.length; i++)
- btg_2.add(rbmi_type[i]);
-
- rbmi_style[0]=new JRadioButtonMenuItem("白底黑字", true);
- rbmi_style[1]=new JRadioButtonMenuItem("黑底白字");
- btg_3=new ButtonGroup();
- for(int i=0; i<rbmi_style.length; i++)
- btg_3.add(rbmi_style[i]);
-
- mn_size=new JMenu("文字大小");
- mn_size.setIcon(ii_size);
- for(int i=0; i<rbmi_size.length; i++)
- mn_size.add(rbmi_size[i]);
-
- mn_style=new JMenu("文字樣式");
- mn_style.setIcon(ii_style);
- for(int i=0; i<rbmi_style.length; i++)
- mn_style.add(rbmi_style[i]);
-
- mn_type=new JMenu("風格");
- mn_type.setIcon(ii_type);
- for(int i=0; i<rbmi_type.length; i++)
- mn_type.add(rbmi_type[i]);
-
- mn_file=new JMenu(" 檔案(F) ");
- mn_file.setMnemonic('F');
- mn_file.add(mi_new);
- mn_file.add(mi_open);
- mn_file.add(mi_save);
- mn_file.addSeparator();
- mn_file.add(mi_exit);
- mn_edit=new JMenu(" 編輯(E) ");
- mn_edit.setMnemonic('E');
- mn_edit.add(mi_copy);
- mn_edit.add(mi_paste);
- mn_edit.add(mi_cut);
- mn_edit.addSeparator();
- mn_edit.add(mi_selectall);
-
- mn_option=new JMenu(" 設定(O) ");
- mn_option.setMnemonic('O');
- mn_option.add(mn_size);
- mn_option.add(mn_type);
- mn_option.addSeparator();
- mn_option.add(mn_style);
- mn_help=new JMenu(" 說明(H) ");
- mn_help.setMnemonic('H');
- mn_help.add(mi_about);
- mb=new JMenuBar();
- mb.setBorder(new BevelBorder(BevelBorder.RAISED));
- mb.add(mn_file);
- mb.add(mn_edit);
- mb.add(mn_option);
- mb.add(mn_help);
- ta=new JTextArea();
- ta.setFont(new Font("新細明體", Font.PLAIN, 20));
- ta.setLineWrap(true);
- sp=new JScrollPane(ta);
- fm=new JFrame("My Editor");
- fm.setIconImage(ic.getImage());
- fm.setBounds(100, 100, 500, 350);
- fm.setVisible(true);
- fm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- fm.add(sp);
- fm.setJMenuBar(mb);
- }
- public static void main(String[] args) {
- new Ch04();
- }
- public void actionPerformed(ActionEvent e) {
- if(e.getSource()==mi_open)
- {
- int ret=fc.showOpenDialog(null);
- if(ret==JFileChooser.APPROVE_OPTION)
- {
- try {
- File fl=fc.getSelectedFile();
- BufferedReader br=new BufferedReader(new FileReader(fl.getAbsolutePath()));
- String str=br.readLine();
- String tmp=br.readLine();
- while(tmp!=null)
- {
- str+="\r\n";
- str+=tmp;
- tmp=br.readLine();
- }
- ta.setText(str);
- br.close();
- fm.setTitle("My Editor - "+fl.getName());
- } catch (Exception ex) {}
- }
- }
- if(e.getSource()==mi_save)
- {
- int ret=fc.showSaveDialog(null);
- if(ret==JFileChooser.APPROVE_OPTION)
- {
- try {
- File fl=fc.getSelectedFile();
- String path="";
- if(fl.getAbsolutePath().substring(fl.getAbsolutePath().length()-4).equals(".txt"))
- {
- path=fl.getAbsolutePath();
- fm.setTitle("My Editor - "+fl.getName());
- }else
- {
- path=fl.getAbsolutePath()+".txt";
- fm.setTitle("My Editor - "+fl.getName()+".txt");
- }
- BufferedWriter bw=new BufferedWriter(new FileWriter(path));
- bw.write(ta.getText().replaceAll("\n", "\r\n"));
- bw.flush();
- bw.close();
- } catch (Exception ex) {}
- }
- }
- if(e.getSource()==mi_new)
- {
- ta.setText("");
- fm.setTitle("My Editor - 未命名");
- }
- if(e.getSource()==mi_exit)
- System.exit(0);
- if(e.getSource()==mi_copy)
- ta.copy();
- if(e.getSource()==mi_paste)
- ta.paste();
- if(e.getSource()==mi_cut)
- ta.cut();
- if(e.getSource()==mi_selectall)
- ta.selectAll();
- if(e.getSource()==mi_about)
- {
- String msg="本軟體由社團法人高雄市資訊培育協會青少年程式設計班學員\n林宇翔所開發,感謝您的使用!";
- JOptionPane.showMessageDialog(fm,msg,"關於 My Editor",JOptionPane.INFORMATION_MESSAGE,ii_developer);
- }
- }
- }
複製代碼 |