silverstripe-framework/Forms/DateField_View_JQuery.php

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<?php
namespace SilverStripe\Forms;
use SilverStripe\Control\Director;
use SilverStripe\Core\Object;
use SilverStripe\i18n\i18n;
use SilverStripe\View\Requirements;
/**
* Preliminary API to separate optional view properties
* like calendar popups from the actual datefield logic.
*
* Caution: This API is highly volatile, and might change without prior deprecation.
*/
class DateField_View_JQuery extends Object
{
protected $field;
/*
* the current jQuery UI DatePicker locale file
*/
protected $jqueryLocaleFile = '';
/**
* @var array Maps values from {@link i18n::$all_locales} to
* localizations existing in jQuery UI.
*/
private static $locale_map = array(
'en_GB' => 'en-GB',
'en_US' => 'en',
'en_NZ' => 'en-GB',
'fr_CH' => 'fr',
'pt_BR' => 'pt-BR',
'sr_SR' => 'sr-SR',
'zh_CN' => 'zh-CN',
'zh_HK' => 'zh-HK',
'zh_TW' => 'zh-TW',
);
/**
* @param DateField $field
*/
public function __construct($field)
{
parent::__construct();
$this->field = $field;
}
/**
* @return DateField
*/
public function getField()
{
return $this->field;
}
/**
* Check if jQuery UI locale settings exists for the current locale
* @return boolean
*/
function regionalSettingsExist()
{
$lang = $this->getLang();
$localeFile = THIRDPARTY_DIR . "/jquery-ui/datepicker/i18n/jquery.ui.datepicker-{$lang}.js";
if (file_exists(Director::baseFolder() . '/' . $localeFile)) {
$this->jqueryLocaleFile = $localeFile;
return true;
} else {
// file goes before internal en_US settings,
// but both will validate
return ($lang == 'en');
}
}
public function onBeforeRender()
{
}
/**
* @param String $html
* @return string
*/
public function onAfterRender($html)
{
if ($this->getField()->getConfig('showcalendar')) {
Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js');
Requirements::css(THIRDPARTY_DIR . '/jquery-ui-themes/smoothness/jquery-ui.css');
Requirements::javascript(FRAMEWORK_DIR . '/thirdparty/jquery-ui/jquery-ui.js');
// Include language files (if required)
if ($this->jqueryLocaleFile) {
Requirements::javascript($this->jqueryLocaleFile);
}
Requirements::javascript(FRAMEWORK_DIR . "/client/dist/js/DateField.js");
}
return $html;
}
/**
* Determines which language to use for jQuery UI, which
* can be different from the value set in i18n.
*
* @return String
*/
protected function getLang()
{
$locale = $this->getField()->getLocale();
$map = $this->config()->locale_map;
if ($this->getField()->getConfig('jslocale')) {
// Undocumented config property for now, might move to the jQuery view helper
$lang = $this->getField()->getConfig('jslocale');
} else {
if (array_key_exists($locale, $map)) {
// Specialized mapping for combined lang properties
$lang = $map[$locale];
} else {
// Fall back to default lang (meaning "en_US" turns into "en")
$lang = i18n::get_lang_from_locale($locale);
}
}
return $lang;
}
/**
* Convert iso to jquery UI date format.
* Needs to be consistent with Zend formatting, otherwise validation will fail.
* Removes all time settings like hour/minute/second from the format.
* See http://docs.jquery.com/UI/Datepicker/formatDate
*
* @param String $format
* @return String
*/
public static function convert_iso_to_jquery_format($format)
{
$convert = array(
'/([^d])d([^d])/' => '$1d$2',
'/^d([^d])/' => 'd$1',
'/([^d])d$/' => '$1d',
'/dd/' => 'dd',
'/SS/' => '',
'/eee/' => 'd',
'/e/' => 'N',
'/D/' => '',
'/EEEE/' => 'DD',
'/EEE/' => 'D',
'/w/' => '',
// make single "M" lowercase
'/([^M])M([^M])/' => '$1m$2',
// make single "M" at start of line lowercase
'/^M([^M])/' => 'm$1',
// make single "M" at end of line lowercase
'/([^M])M$/' => '$1m',
// match exactly three capital Ms not preceeded or followed by an M
'/(?<!M)MMM(?!M)/' => 'M',
// match exactly two capital Ms not preceeded or followed by an M
'/(?<!M)MM(?!M)/' => 'mm',
// match four capital Ms (maximum allowed)
'/MMMM/' => 'MM',
'/l/' => '',
'/YYYY/' => 'yy',
'/yyyy/' => 'yy',
// See http://open.silverstripe.org/ticket/7669
'/y{1,3}/' => 'yy',
'/a/' => '',
'/B/' => '',
'/hh/' => '',
'/h/' => '',
'/([^H])H([^H])/' => '',
'/^H([^H])/' => '',
'/([^H])H$/' => '',
'/HH/' => '',
// '/mm/' => '',
'/ss/' => '',
'/zzzz/' => '',
'/I/' => '',
'/ZZZZ/' => '',
'/Z/' => '',
'/z/' => '',
'/X/' => '',
'/r/' => '',
'/U/' => '',
);
$patterns = array_keys($convert);
$replacements = array_values($convert);
return preg_replace($patterns, $replacements, $format);
}
}