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<?php |
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namespace SilverStripe\UserForms\Model\EditableFormField; |
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use SilverStripe\Core\Convert; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\Security\Member; |
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use SilverStripe\Versioned\Versioned; |
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/** |
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* Base Class for EditableOption Fields such as the ones used in |
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* dropdown fields and in radio check box groups |
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* |
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* @method EditableMultipleOptionField Parent() |
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* @package userforms |
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*/ |
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class EditableOption extends DataObject |
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{ |
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private static $default_sort = 'Sort'; |
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private static $db = [ |
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'Name' => 'Varchar(255)', |
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'Title' => 'Varchar(255)', |
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'Default' => 'Boolean', |
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'Sort' => 'Int', |
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'Value' => 'Varchar(255)', |
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]; |
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private static $has_one = [ |
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'Parent' => EditableMultipleOptionField::class, |
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]; |
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private static $extensions = [ |
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Versioned::class . "('Stage', 'Live')", |
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]; |
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private static $summary_fields = [ |
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'Title', |
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'Default', |
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]; |
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protected static $allow_empty_values = false; |
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private static $table_name = 'EditableOption'; |
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/** |
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* Returns whether to allow empty values or not. |
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* |
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* @return boolean |
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*/ |
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public static function allow_empty_values() |
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{ |
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return (bool) self::$allow_empty_values; |
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} |
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/** |
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* Set whether to allow empty values. |
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* |
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* @param boolean $allow |
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*/ |
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public static function set_allow_empty_values($allow) |
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{ |
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self::$allow_empty_values = (bool) $allow; |
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} |
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/** |
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* @deprecated 5.0..6.0 Use "$Title" in templates instead |
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* @return string |
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*/ |
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public function getEscapedTitle() |
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{ |
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return Convert::raw2xml($this->Title); |
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} |
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/** |
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* Fetches a value for $this->Value. If empty values are not allowed, |
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* then this will return the title in the case of an empty value. |
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* |
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* @return string |
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*/ |
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public function getValue() |
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{ |
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$value = $this->getField('Value'); |
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if (empty($value) && !self::allow_empty_values()) { |
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return $this->Title; |
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} |
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return $value; |
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} |
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protected function onBeforeWrite() |
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{ |
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if (!$this->Sort) { |
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$this->Sort = EditableOption::get()->max('Sort') + 1; |
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} |
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parent::onBeforeWrite(); |
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} |
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/** |
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* @param Member $member |
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* |
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* @return boolean |
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*/ |
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public function canEdit($member = null) |
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{ |
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return $this->Parent()->canEdit($member); |
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} |
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/** |
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* @param Member $member |
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* |
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* @return boolean |
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*/ |
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public function canDelete($member = null) |
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{ |
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return $this->canEdit($member); |
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} |
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/** |
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* @param Member $member |
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* @return bool |
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*/ |
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public function canView($member = null) |
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{ |
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return $this->Parent()->canView($member); |
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} |
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/** |
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* Return whether a user can create an object of this type |
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* |
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* @param Member $member |
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* @param array $context Virtual parameter to allow context to be passed in to check |
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* @return bool |
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*/ |
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public function canCreate($member = null, $context = []) |
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{ |
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// Check parent object |
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$parent = $this->Parent(); |
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if ($parent) { |
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return $parent->canCreate($member); |
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} |
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// Fall back to secure admin permissions |
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return parent::canCreate($member); |
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} |
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/** |
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* @param Member $member |
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* @return bool |
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*/ |
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public function canPublish($member = null) |
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{ |
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return $this->canEdit($member); |
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} |
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/** |
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* @param Member $member |
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* @return bool |
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*/ |
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public function canUnpublish($member = null) |
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{ |
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return $this->canDelete($member); |
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} |
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} |
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