/**
* Inline callback to save a normal textfield
* @param int $postId the id of the post to save to
* @param array $field all the fields information
* @param string $boxId the metabox id
*/
public function saveDateField($postId, $field, $boxId)
{
// Validate and save the field
$value = $_POST[$postId . '_' . $field['key']];
$value = stripslashes(trim($value));
// Validate the input with EU_FORMAT_DATE
if (!String::check_date($value, Date::EU_FORMAT_DATE)) {
$value = '';
// Make the error pop up
}
// Check if the field is required
if (isset($field['args']['required']) && $field['args']['required'] && strlen($value) == 0) {
$this->addError($boxId, 'Bitte füllen Sie das Feld "' . $field['args']['title'] . '" aus.');
} else {
// If everything OK, convert to the desired format
if (strlen($value) > 0) {
$value = Date::convert_date(Date::EU_DATE, $field['args']['format'], $value);
}
}
// Save the meta data to the database
update_post_meta($postId, $field['key'], $value);
}
