public void search() {
hilit.removeAllHighlights();
String s = entry.getText();
if (s.length() <= 0) {
message("Nothing to search");
return;
}
String content = textArea.getText();
int index = content.indexOf(s, 0);
if (index >= 0) {
try {
int end = index + s.length();
hilit.addHighlight(index, end, painter);
textArea.setCaretPosition(end);
entry.setBackground(entryBg);
message("'" + s + "' found. Press ESC to end search");
} catch (BadLocationException e) {
e.printStackTrace();
}
} else {
entry.setBackground(ERROR_COLOR);
message("'" + s + "' found. Press ESC to start a new search");
}
}
@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);
}
}