Color daysOffColor = myUIConfig.getDayOffColor();
if (daysOffColor != null)
attrs.addAttribute("", "daysOff", "daysOff", "CDATA", ""
+ ColorConvertion.getColor(daysOffColor));
handler.startElement("", "colors", "colors", attrs);
handler.endElement("", "colors", "colors");
attrs.clear();
// Geometry of the window
addAttribute("x", "" + x, attrs);
addAttribute("y", "" + y, attrs);