// 1. inits searchField with selected text
// 2. adds focus listener so that textselection gets painted
// even if the textcomponent has no focus
protected void initSearch(ActionEvent ae) {
super.initSearch(ae);
JTextComponent textComp = (JTextComponent) ae.getSource();
String selectedText = textComp.getSelectedText();
if (selectedText != null) searchField.setText(selectedText);
searchField.removeFocusListener(this);
searchField.addFocusListener(this);
}
public static void main(String[] args) throws Exception {
JTextArea textArea = new JTextArea(10, 50);
textArea.setEditable(false);
try {
new DefaultEditorKit()
.read(
new FileReader(
"D:\\MyBlog\\IncrementalSearch\\src\\santhosh\\TextComponentFindAction.java"),
textArea.getDocument(),
0);
} catch (Exception e) {
e.printStackTrace();
}
FindAction findAction = new TextComponentFindAction();
findAction.install(textArea);
JScrollPane scroll = new JScrollPane(textArea);
scroll.setBorder(
BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(50, 10, 10, 10), scroll.getBorder()));
JOptionPane.showMessageDialog(null, scroll);
}