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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Form\Field; \defined('JPATH_PLATFORM') or die; use DateTime; use Joomla\CMS\Factory; use Joomla\CMS\Form\FormField; use Joomla\CMS\Language\Text; use Joomla\Registry\Registry; /** * Form Field class for the Joomla Platform. * * Provides a pop up date picker linked to a button. * Optionally may be filtered to use user's or server's time zone. * * @since 1.7.0 */ class CalendarField extends FormField { /** * The form field type. * * @var string * @since 1.7.0 */ protected $type = 'Calendar'; /** * The allowable maxlength of calendar field. * * @var integer * @since 3.2 */ protected $maxlength; /** * The format of date and time. * * @var string * @since 3.2 */ protected $format; /** * The format will be used to filter submitted date and time. * * @var string * @since 4.0.1 */ protected $filterFormat; /** * The filter. * * @var integer * @since 3.2 */ protected $filter; /** * The minimum year number to subtract/add from the current year * * @var integer * @since 3.7.0 */ protected $minyear; /** * The maximum year number to subtract/add from the current year * * @var integer * @since 3.7.0 */ protected $maxyear; /** * Name of the layout being used to render the field * * @var string * @since 3.7.0 */ protected $layout = 'joomla.form.field.calendar'; /** * The parent class of the field * * @var string * @since 4.0.0 */ protected $parentclass; /** * Method to get certain otherwise inaccessible properties from the form field object. * * @param string $name The property name for which to get the value. * * @return mixed The property value or null. * * @since 3.2 */ public function __get($name) { switch ($name) { case 'maxlength': case 'format': case 'filterFormat': case 'filter': case 'timeformat': case 'todaybutton': case 'singleheader': case 'weeknumbers': case 'showtime': case 'filltable': case 'minyear': case 'maxyear': return $this->$name; } return parent::__get($name); } /** * Method to set certain otherwise inaccessible properties of the form field object. * * @param string $name The property name for which to set the value. * @param mixed $value The value of the property. * * @return void * * @since 3.2 */ public function __set($name, $value) { switch ($name) { case 'maxlength': case 'timeformat': $this->$name = (int) $value; break; case 'todaybutton': case 'singleheader': case 'weeknumbers': case 'showtime': case 'filltable': case 'format': case 'filterFormat': case 'filter': case 'minyear': case 'maxyear': $this->$name = (string) $value; break; default: parent::__set($name, $value); } } /** * Method to attach a Form object to the field. * * @param \SimpleXMLElement $element The SimpleXMLElement object representing the `
` tag for the form field object. * @param mixed $value The form field value to validate. * @param string $group The field name group control value. This acts as an array container for the field. * For example if the field has name="foo" and the group value is set to "bar" then the * full field name would end up being "bar[foo]". * * @return boolean True on success. * * @see FormField::setup() * @since 3.2 */ public function setup(\SimpleXMLElement $element, $value, $group = null) { $return = parent::setup($element, $value, $group); if ($return) { $this->maxlength = (int) $this->element['maxlength'] ? (int) $this->element['maxlength'] : 45; $this->format = (string) $this->element['format'] ? (string) $this->element['format'] : '%Y-%m-%d'; $this->filter = (string) $this->element['filter'] ? (string) $this->element['filter'] : 'USER_UTC'; $this->todaybutton = (string) $this->element['todaybutton'] ? (string) $this->element['todaybutton'] : 'true'; $this->weeknumbers = (string) $this->element['weeknumbers'] ? (string) $this->element['weeknumbers'] : 'true'; $this->showtime = (string) $this->element['showtime'] ? (string) $this->element['showtime'] : 'false'; $this->filltable = (string) $this->element['filltable'] ? (string) $this->element['filltable'] : 'true'; $this->timeformat = (int) $this->element['timeformat'] ? (int) $this->element['timeformat'] : 24; $this->singleheader = (string) $this->element['singleheader'] ? (string) $this->element['singleheader'] : 'false'; $this->minyear = \strlen((string) $this->element['minyear']) ? (string) $this->element['minyear'] : null; $this->maxyear = \strlen((string) $this->element['maxyear']) ? (string) $this->element['maxyear'] : null; if ($this->maxyear < 0 || $this->minyear > 0) { $this->todaybutton = 'false'; } $translateFormat = (string) $this->element['translateformat']; if ($translateFormat && $translateFormat !== 'false') { $showTime = (string) $this->element['showtime']; $lang = Factory::getLanguage(); $debug = $lang->setDebug(false); if ($showTime && $showTime !== 'false') { $this->format = Text::_('DATE_FORMAT_CALENDAR_DATETIME'); $this->filterFormat = Text::_('DATE_FORMAT_FILTER_DATETIME'); } else { $this->format = Text::_('DATE_FORMAT_CALENDAR_DATE'); $this->filterFormat = Text::_('DATE_FORMAT_FILTER_DATE'); } $lang->setDebug($debug); } } return $return; } /** * Method to get the field input markup. * * @return string The field input markup. * * @since 1.7.0 */ protected function getInput() { $user = Factory::getApplication()->getIdentity(); // If a known filter is given use it. switch (strtoupper($this->filter)) { case 'SERVER_UTC': // Convert a date to UTC based on the server timezone. if ($this->value && $this->value != Factory::getDbo()->getNullDate()) { // Get a date object based on the correct timezone. $date = Factory::getDate($this->value, 'UTC'); $date->setTimezone(new \DateTimeZone(Factory::getApplication()->get('offset'))); // Transform the date string. $this->value = $date->format('Y-m-d H:i:s', true, false); } break; case 'USER_UTC': // Convert a date to UTC based on the user timezone. if ($this->value && $this->value != Factory::getDbo()->getNullDate()) { // Get a date object based on the correct timezone. $date = Factory::getDate($this->value, 'UTC'); $date->setTimezone($user->getTimezone()); // Transform the date string. $this->value = $date->format('Y-m-d H:i:s', true, false); } break; } // Format value when not nulldate ('0000-00-00 00:00:00'), otherwise blank it as it would result in 1970-01-01. if ($this->value && $this->value != Factory::getDbo()->getNullDate() && strtotime($this->value) !== false) { $tz = date_default_timezone_get(); date_default_timezone_set('UTC'); $this->value = strftime($this->format, strtotime($this->value)); date_default_timezone_set($tz); } else { $this->value = ''; } return $this->getRenderer($this->layout)->render($this->getLayoutData()); } /** * Method to get the data to be passed to the layout for rendering. * * @return array * * @since 3.7.0 */ protected function getLayoutData() { $data = parent::getLayoutData(); $lang = Factory::getApplication()->getLanguage(); $calendar = $lang->getCalendar(); $direction = strtolower(Factory::getDocument()->getDirection()); // Get the appropriate file for the current language date helper $helperPath = 'system/fields/calendar-locales/date/gregorian/date-helper.min.js'; if ($calendar && is_dir(JPATH_ROOT . '/media/system/js/fields/calendar-locales/date/' . strtolower($calendar))) { $helperPath = 'system/fields/calendar-locales/date/' . strtolower($calendar) . '/date-helper.min.js'; } $extraData = array( 'value' => $this->value, 'maxLength' => $this->maxlength, 'format' => $this->format, 'filter' => $this->filter, 'todaybutton' => ($this->todaybutton === 'true') ? 1 : 0, 'weeknumbers' => ($this->weeknumbers === 'true') ? 1 : 0, 'showtime' => ($this->showtime === 'true') ? 1 : 0, 'filltable' => ($this->filltable === 'true') ? 1 : 0, 'timeformat' => $this->timeformat, 'singleheader' => ($this->singleheader === 'true') ? 1 : 0, 'helperPath' => $helperPath, 'minYear' => $this->minyear, 'maxYear' => $this->maxyear, 'direction' => $direction, 'calendar' => $calendar, 'firstday' => $lang->getFirstDay(), 'weekend' => explode(',', $lang->getWeekEnd()), ); return array_merge($data, $extraData); } /** * Method to filter a field value. * * @param mixed $value The optional value to use as the default for the field. * @param string $group The optional dot-separated form group path on which to find the field. * @param Registry $input An optional Registry object with the entire data set to filter * against the entire form. * * @return mixed The filtered value. * * @since 4.0.0 */ public function filter($value, $group = null, Registry $input = null) { // Make sure there is a valid SimpleXMLElement. if (!($this->element instanceof \SimpleXMLElement)) { throw new \UnexpectedValueException(sprintf('%s::filter `element` is not an instance of SimpleXMLElement', \get_class($this))); } if ((int) $value <= 0) { return ''; } if ($this->filterFormat) { $value = DateTime::createFromFormat($this->filterFormat, $value)->format('Y-m-d H:i:s'); } $app = Factory::getApplication(); // Get the field filter type. $filter = (string) $this->element['filter']; $return = $value; switch (strtoupper($filter)) { // Convert a date to UTC based on the server timezone offset. case 'SERVER_UTC': // Return an SQL formatted datetime string in UTC. $return = Factory::getDate($value, $app->get('offset'))->toSql(); break; // Convert a date to UTC based on the user timezone offset. case 'USER_UTC': // Get the user timezone setting defaulting to the server timezone setting. $offset = $app->getIdentity()->getParam('timezone', $app->get('offset')); // Return an SQL formatted datetime string in UTC. $return = Factory::getDate($value, $offset)->toSql(); break; } return $return; } }