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<?php |
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namespace SilverStripe\Translatable\Forms; |
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use SilverStripe\CMS\Model\SiteTree; |
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use SilverStripe\Core\Convert; |
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use SilverStripe\Forms\GroupedDropdownField; |
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use SilverStripe\i18n\i18n; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\Translatable\Model\Translatable; |
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/** |
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* An extension to dropdown field, pre-configured to list languages. |
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* The languages already used in the site will be on top. |
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* |
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* @package translatable |
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*/ |
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class LanguageDropdownField extends GroupedDropdownField |
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{ |
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private static $allowed_actions = array( |
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'getLocaleForObject' |
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); |
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/** |
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* Create a new LanguageDropdownField |
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* @param string $name |
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* @param string $title |
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* @param array $excludeLocales List of locales that won't be included |
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* @param string $translatingClass Name of the class with translated instances |
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* where to look for used languages |
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* @param string $list Indicates the source language list. |
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* Can be either Common-English or Locale-English (default) |
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*/ |
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public function __construct( |
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$name, |
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$title, |
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$excludeLocales = array(), |
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$translatingClass = SiteTree::class, |
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$list = 'Common-English', |
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$instance = null |
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) { |
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$usedLocalesWithTitle = Translatable::get_existing_content_languages($translatingClass); |
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$usedLocalesWithTitle = array_diff_key($usedLocalesWithTitle, $excludeLocales); |
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if ('Common-English' == $list) { |
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$allLocalesWithTitle = i18n::getData()->getLanguages(); |
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} else { |
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$allLocalesWithTitle = i18n::getData()->getLocales(); |
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} |
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if (isset($allLocales[Translatable::default_locale()])) { |
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unset($allLocales[Translatable::default_locale()]); |
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} |
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// Limit to allowed locales if defined |
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// Check for canTranslate() if an $instance is given |
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$allowedLocales = Translatable::get_allowed_locales(); |
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foreach ($allLocalesWithTitle as $locale => $localeTitle) { |
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if (($allowedLocales && !in_array($locale, $allowedLocales)) |
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|| ($excludeLocales && in_array($locale, $excludeLocales)) |
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|| ($usedLocalesWithTitle && array_key_exists($locale, $usedLocalesWithTitle)) |
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) { |
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unset($allLocalesWithTitle[$locale]); |
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} |
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} |
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// instance specific permissions |
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View Code Duplication |
foreach ($allLocalesWithTitle as $locale => $localeTitle) { |
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if ($instance && !$instance->canTranslate(null, $locale)) { |
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unset($allLocalesWithTitle[$locale]); |
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} |
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} |
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View Code Duplication |
foreach ($usedLocalesWithTitle as $locale => $localeTitle) { |
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if ($instance && !$instance->canTranslate(null, $locale)) { |
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unset($usedLocalesWithTitle[$locale]); |
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} |
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} |
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// Sort by title (array value) |
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asort($allLocalesWithTitle); |
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if (count($usedLocalesWithTitle)) { |
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asort($usedLocalesWithTitle); |
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$source = array( |
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_t('Form.LANGAVAIL', "Available languages") => $usedLocalesWithTitle, |
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_t('Form.LANGAOTHER', "Other languages") => $allLocalesWithTitle |
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); |
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} else { |
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$source = $allLocalesWithTitle; |
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} |
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parent::__construct($name, $title, $source); |
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} |
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public function Type() |
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{ |
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return 'languagedropdown dropdown'; |
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} |
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public function getAttributes() |
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{ |
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return array_merge( |
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parent::getAttributes(), |
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array('data-locale-url' => $this->Link('getLocaleForObject')) |
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); |
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} |
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/** |
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* Get the locale for an object that has the Translatable extension. |
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* |
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* @return locale |
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*/ |
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public function getLocaleForObject() |
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{ |
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$id = (int)$this->getRequest()->requestVar('id'); |
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$class = Convert::raw2sql($this->getRequest()->requestVar('class')); |
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$locale = Translatable::get_current_locale(); |
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if ($id && $class && class_exists($class) && $class::has_extension(Translatable::class)) { |
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// temporarily disable locale filter so that we won't filter out the object |
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Translatable::disable_locale_filter(); |
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$object = DataObject::get_by_id($class, $id); |
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Translatable::enable_locale_filter(); |
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if ($object) { |
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$locale = $object->Locale; |
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} |
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} |
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return $locale; |
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} |
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} |
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