if (keyCode == Keyboard.KeyCode.A) {
textPane.setSelection(0, document.getCharacterCount());
consumed = true;
} else if (keyCode == Keyboard.KeyCode.X
&& textPane.isEditable()) {
textPane.cut();
consumed = true;
} else if (keyCode == Keyboard.KeyCode.C) {
textPane.copy();
consumed = true;
} else if (keyCode == Keyboard.KeyCode.V