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<?php |
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/** |
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* Optional controller for every widget which has its own logic, e.g. in forms. |
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* |
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* It always handles a single widget, usually passed in as a database |
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* identifier through the controller URL. Needs to be constructed as a nested |
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* controller within a {@link ContentController}. |
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* |
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* ## Forms |
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* You can add forms like in any other SilverStripe controller. If you need |
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* access to the widget from within a form, you can use |
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* `$this->controller->getWidget()` inside the form logic. |
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* |
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* Note: Widget controllers currently only work on {@link Page} objects, |
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* because the logic is implemented in {@link ContentController->handleWidget()}. |
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* Copy this logic and the URL rules to enable it for other controllers. |
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* |
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* @package widgets |
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*/ |
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class WidgetController extends Controller |
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{ |
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/** |
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* @var Widget |
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*/ |
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protected $widget; |
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/** |
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* @var array |
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*/ |
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private static $allowed_actions = array( |
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'editablesegment' |
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); |
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/** |
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* @param Widget $widget |
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*/ |
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public function __construct($widget = null) |
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{ |
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if ($widget) { |
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$this->widget = $widget; |
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$this->failover = $widget; |
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} |
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parent::__construct(); |
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} |
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/** |
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* @param string $action |
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* @return string |
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*/ |
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public function Link($action = null) |
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{ |
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$id = ($this->widget) ? $this->widget->ID : null; |
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$segment = Controller::join_links('widget', $id, $action); |
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if ($page = Director::get_current_page()) { |
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return $page->Link($segment); |
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} |
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return Controller::curr()->Link($segment); |
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} |
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/** |
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* @return Widget |
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*/ |
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public function getWidget() |
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{ |
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return $this->widget; |
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} |
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/** |
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* Overloaded from {@link Widget->Content()} to allow for controller / form |
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* linking. |
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* |
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* @return string HTML |
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*/ |
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public function Content() |
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{ |
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return $this->renderWith(array_reverse(ClassInfo::ancestry($this->widget->class))); |
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} |
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/** |
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* Overloaded from {@link Widget->WidgetHolder()} to allow for controller/ |
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* form linking. |
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* |
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* @return string HTML |
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*/ |
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public function WidgetHolder() |
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{ |
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return $this->renderWith("WidgetHolder"); |
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} |
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/** |
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* Uses the `WidgetEditor.ss` template and {@link Widget->editablesegment()} |
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* to render a administrator-view of the widget. It is assumed that this |
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* view contains form elements which are submitted and saved through |
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* {@link WidgetAreaEditor} within the CMS interface. |
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* |
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* @return string HTML |
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*/ |
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public function editablesegment() |
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{ |
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// use left and main to set the html config |
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$leftandmain = LeftAndMain::create(); |
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$leftandmain->init(); |
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$className = $this->urlParams['ID']; |
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if (class_exists('Translatable') && Member::currentUserID()) { |
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// set current locale based on logged in user's locale |
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$locale = Member::currentUser()->Locale; |
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i18n::set_locale($locale); |
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} |
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if (class_exists($className) && is_subclass_of($className, 'Widget')) { |
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$obj = new $className(); |
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// generate new id |
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if(method_exists($obj, 'doValidate') && $obj->doValidate()->valid()) { |
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$obj->write(); |
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} |
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return $obj->EditableSegment(); |
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} else { |
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user_error("Bad widget class: $className", E_USER_WARNING); |
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return "Bad widget class name given"; |
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} |
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} |
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} |
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/** |
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* @deprecated Use WidgetController |
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* @package widgets |
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*/ |
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class Widget_Controller extends WidgetController |
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{ |
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} |
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silverstripe /
silverstripe-widgets
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You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.