72 lines
1.7 KiB
PHP
72 lines
1.7 KiB
PHP
<?php
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/**
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* Add this to ContentController to enable widgets
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*
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* @package widgets
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*/
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class WidgetContentControllerExtension extends Extension
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{
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/**
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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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'handleWidget'
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);
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/**
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* Handles widgets attached to a page through one or more {@link WidgetArea}
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* elements.
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*
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* Iterated through each $has_one relation with a {@link WidgetArea} and
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* looks for connected widgets by their database identifier.
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*
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* Assumes URLs in the following format: <URLSegment>/widget/<Widget-ID>.
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*
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* @return RequestHandler
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*/
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public function handleWidget()
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{$SQL_id = $this->owner->getRequest()->param('ID');
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if(!$SQL_id) {return false;
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}
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/** @var SiteTree $widgetOwner */
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$widgetOwner = $this->owner->data();
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while($widgetOwner->InheritSideBar && $widgetOwner->Parent()->exists()){
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$widgetOwner = $widgetOwner->Parent();
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}
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// find WidgetArea relations
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$widgetAreaRelations = array();
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$hasOnes = $widgetOwner->hasOne();
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if(!$hasOnes) {
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return false;
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}
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foreach ($hasOnes as $hasOneName => $hasOneClass) {
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if ($hasOneClass == 'WidgetArea' || is_subclass_of($hasOneClass, 'WidgetArea')) {
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$widgetAreaRelations[] = $hasOneName;
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}
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}
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// find widget
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$widget = null;
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foreach ($widgetAreaRelations as $widgetAreaRelation) {
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if ($widget) {
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break;
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}
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$widget = $widgetOwner->$widgetAreaRelation()->Widgets()
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->filter('ID', $SQL_id)
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->First();
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}
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if (!$widget) {
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user_error('No widget found', E_USER_ERROR);
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}
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return $widget->getController();
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}
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}
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