public void setHook() {
ComboBoxEditor anEditor = this.getEditor();
if (anEditor.getEditorComponent() instanceof JTextField) {
editor = (JTextField) anEditor.getEditorComponent();
editor.setColumns(TXT_FILENAME_LENGTH);
editor.addKeyListener(
new KeyAdapter() {
public void keyReleased(KeyEvent ev) {
char key = ev.getKeyChar();
if (!(Character.isLetterOrDigit(key) || Character.isSpaceChar(key))) {
return;
}
caretPos = editor.getCaretPosition();
String text = "";
try {
text = editor.getText(0, caretPos);
} catch (Exception ex) {
Debug.error(me + "setHook: Problem getting image file name\n%s", ex.getMessage());
}
int n = getItemCount();
for (int i = 0; i < n; i++) {
int ind = ((String) getItemAt(i)).indexOf(text);
if (ind == 0) {
setSelectedIndex(i);
return;
}
}
}
});
}
}
