public CustomJEditTextArea(TextAreaDefaults textAreaDefaults) {
super(textAreaDefaults);
final TextAreaPainter thePainter = getPainter();
m_enabledBackground = thePainter.getBackground();
m_enabledCaretColour = thePainter.getCaretColor();
}
public void setEnabled(boolean b) {
super.setEnabled(b);
setEditable(b);
final TextAreaPainter thePainter = getPainter();
// JEditTextArea has a MouseListener that calls requestFocus
// without checking isRequestFocusEnabled, so there is no way to
// stop the text area from receiving focus due to a mouse click.
// We can't use setCaretVisible(false) to make the caret
// invisible as it is set true by the JEditTextArea focus
// handler. Paint it invisibly instead.
thePainter.setCaretColor(b ? m_enabledCaretColour : Colours.GREY);
thePainter.setBackground(b ? m_enabledBackground : Colours.GREY);
thePainter.setLineHighlightEnabled(b);
if (!b) {
transferFocus();
}
setRequestFocusEnabled(b);
}