Example #1
0
 @Override
 public void actionPerformed(ActionEvent e) {
   if (td.getTabCount() > 0) {
     TextDocument ta = (TextDocument) td.getComponentAt(td.getSelectedIndex());
     Pattern pn = Pattern.compile(tf1.getText());
     Matcher mt = pn.matcher(ta.getText());
     if (e.getSource() == jb2) { // 取代
       ta.setText(mt.replaceAll(tf2.getText()));
     } else if (e.getSource() == jb1) { // 尋找
       Highlighter hl = ta.getHighlighter();
       hl.removeAllHighlights();
       while (mt.find()) {
         try {
           hl.addHighlight(
               mt.start(), mt.end(), new DefaultHighlighter.DefaultHighlightPainter(null));
         } catch (Exception ex) {
         }
       } // 開啟及關閉介面
     } else if (e.getSource() == replace_searchMenuItem) {
       System.out.println("Replace/Search is show:" + !show);
       if (show) {
         getContentPane().remove(jp);
         show = false;
       } else {
         getContentPane().add(jp, BorderLayout.SOUTH);
         show = true;
       }
       validate(); // 刷新容器
     }
   } else if (e.getSource() == replace_searchMenuItem) {
     JOptionPane.showMessageDialog(
         null, "尚無檔案,無法使用!", "Repace/Search error", JOptionPane.ERROR_MESSAGE);
   }
 }