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