public function getDates()
{
static $result;
if (!isset($result)) {
$year = $this->getState('year');
$month = $this->getState('month');
$days = KDate::getDaysInMonth($month, $year);
$date = new KDate();
$date->year($year);
$date->month($month);
$result = array();
for ($day = 1; $day <= $days; $day++) {
$date->day($day);
$result[$date->format('%Y-%m-%d')] = 0;
}
}
return $result;
}