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<?php
/**
* @package Joomla.Platform
* @subpackage Form
*
* @copyright (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* 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 JFormFieldCalendar extends JFormField
{
/**
* 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 integer
* @since 3.2
*/
protected $format;
/**
* 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';
/**
* 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 '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 'filter':
case 'minyear':
case 'maxyear':
$this->$name = (string) $value;
break;
default:
parent::__set($name, $value);
}
}
/**
* Method to attach a JForm object to the field.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` 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 JFormField::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';
}
}
return $return;
}
/**
* Method to get the field input markup.
*
* @return string The field input markup.
*
* @since 1.7.0
*/
protected function getInput()
{
$config = JFactory::getConfig();
$user = JFactory::getUser();
// Translate the format if requested
$translateFormat = (string) $this->element['translateformat'];
if ($translateFormat && $translateFormat != 'false')
{
$showTime = (string) $this->element['showtime'];
$lang = \JFactory::getLanguage();
$debug = $lang->setDebug(false);
if ($showTime && $showTime != 'false')
{
$this->format = JText::_('DATE_FORMAT_CALENDAR_DATETIME');
}
else
{
$this->format = JText::_('DATE_FORMAT_CALENDAR_DATE');
}
$lang->setDebug($debug);
}
// 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 != JFactory::getDbo()->getNullDate())
{
// 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 = $date->format('Y-m-d H:i:s', true, false);
}
break;
case 'USER_UTC':
// Convert a date to UTC based on the user timezone.
if ($this->value && $this->value != JFactory::getDbo()->getNullDate())
{
// Get a date object based on the correct timezone.
$date = JFactory::getDate($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 && $this->value != JFactory::getDbo()->getNullDate() && strtotime($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();
$tag = JFactory::getLanguage()->getTag();
$calendar = JFactory::getLanguage()->getCalendar();
$direction = strtolower(JFactory::getDocument()->getDirection());
// Get the appropriate file for the current language date helper
$helperPath = 'system/fields/calendar-locales/date/gregorian/date-helper.min.js';
if (!empty($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';
}
// Get the appropriate locale file for the current language
$localesPath = 'system/fields/calendar-locales/en.js';
if (is_file(JPATH_ROOT . '/media/system/js/fields/calendar-locales/' . strtolower($tag) . '.js'))
{
$localesPath = 'system/fields/calendar-locales/' . strtolower($tag) . '.js';
}
elseif (is_file(JPATH_ROOT . '/media/system/js/fields/calendar-locales/' . $tag . '.js'))
{
$localesPath = 'system/fields/calendar-locales/' . $tag . '.js';
}
elseif (is_file(JPATH_ROOT . '/media/system/js/fields/calendar-locales/' . strtolower(substr($tag, 0, -3)) . '.js'))
{
$localesPath = 'system/fields/calendar-locales/' . strtolower(substr($tag, 0, -3)) . '.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,
'localesPath' => $localesPath,
'minYear' => $this->minyear,
'maxYear' => $this->maxyear,
'direction' => $direction,
);
return array_merge($data, $extraData);
}
}