protected function getCalendar($display)
{
// Initialize some field attributes.
$format = $this->format ? $this->format : '%Y-%m-%d';
$class = $this->class ? $this->class : '';
$default = $this->element['default'] ? (string) $this->element['default'] : '';
// Get some system objects.
$config = $this->form->getContainer()->platform->getConfig();
$user = $this->form->getContainer()->platform->getUser();
// Check for empty date values
if (empty($this->value) || $this->value == $this->form->getContainer()->platform->getDbo()->getNullDate() || $this->value == '0000-00-00') {
$this->value = $default;
}
// Handle the special case for "now".
if (strtoupper($this->value) == 'NOW') {
$this->value = strftime($format);
}
// If a known filter is given use it.
switch (strtoupper($this->filter)) {
case 'SERVER_UTC':
// Convert a date to UTC based on the server timezone.
if ((int) $this->value) {
// Get a date object based on the correct timezone.
$date = \JFactory::getDate($this->value, 'UTC');
$date->setTimezone(new \DateTimeZone($config->get('offset')));
// Transform the date string.
$this->value = $date->format('Y-m-d H:i:s', true, false);
}
break;
case 'USER_UTC':
// Convert a date to UTC based on the user timezone.
if ((int) $this->value) {
// Get a date object based on the correct timezone.
$date = \JFactory::getDate($this->value, 'UTC');
$date->setTimezone(new \DateTimeZone($user->getParam('timezone', $config->get('offset'))));
// Transform the date string.
$this->value = $date->format('Y-m-d H:i:s', true, false);
}
break;
}
if ($display == 'static') {
// Build the attributes array.
$attributes = array();
if ($this->size) {
$attributes['size'] = $this->size;
}
if ($this->maxlength) {
$attributes['maxlength'] = $this->maxlength;
}
if ($this->class) {
$attributes['class'] = $this->class;
}
if ($this->readonly) {
$attributes['readonly'] = 'readonly';
}
if ($this->disabled) {
$attributes['disabled'] = 'disabled';
}
if ($this->onchange) {
$attributes['onchange'] = $this->onchange;
}
if ($this->required) {
$attributes['required'] = 'required';
$attributes['aria-required'] = 'true';
}
// Including fallback code for HTML5 non supported browsers.
JHtml::_('jquery.framework');
JHtml::_('script', 'system/html5fallback.js', false, true);
return JHtml::_('calendar', $this->value, $this->name, $this->id, $format, $attributes);
} else {
if (!$this->value && (string) $this->element['empty_replacement']) {
$value = $this->element['empty_replacement'];
} else {
$jDate = new \JDate($this->value);
$value = strftime($format, $jDate->getTimestamp());
}
return '<span class="' . $this->id . ' ' . $class . '">' . htmlspecialchars($value, ENT_COMPAT, 'UTF-8') . '</span>';
}
}