116 lines
2.7 KiB
PHP
116 lines
2.7 KiB
PHP
<?php
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namespace SilverStripe\CMS\Model;
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use Exception;
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use Page_Controller;
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use SilverStripe\CMS\Controllers\ContentController;
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use SilverStripe\CMS\Controllers\ModelAsController;
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/**
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* Controller for the virtual page.
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* @package cms
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*/
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class VirtualPage_Controller extends Page_Controller
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{
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private static $allowed_actions = array(
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'loadcontentall' => 'ADMIN',
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);
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/**
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* Backup of virtualised controller
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*
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* @var ContentController
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*/
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protected $virtualController = null;
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/**
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* Get virtual controller
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*
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* @return ContentController
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*/
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protected function getVirtualisedController()
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{
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if ($this->virtualController) {
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return $this->virtualController;
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}
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// Validate virtualised model
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/** @var VirtualPage $page */
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$page = $this->data();
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$virtualisedPage = $page->CopyContentFrom();
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if (!$virtualisedPage || !$virtualisedPage->exists()) {
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return null;
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}
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// Create controller using standard mechanism
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$this->virtualController = ModelAsController::controller_for($virtualisedPage);
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return $this->virtualController;
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}
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public function getViewer($action)
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{
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$controller = $this->getVirtualisedController() ?: $this;
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return $controller->getViewer($action);
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}
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/**
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* When the virtualpage is loaded, check to see if the versions are the same
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* if not, reload the content.
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* NOTE: Virtual page must have a container object of subclass of sitetree.
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* We can't load the content without an ID or record to copy it from.
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*/
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public function init()
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{
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parent::init();
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$this->__call('init', array());
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}
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/**
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* Also check the original object's original controller for the method
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*
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* @param string $method
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* @return bool
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*/
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public function hasMethod($method)
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{
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if (parent::hasMethod($method)) {
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return true;
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};
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// Fallback
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$controller = $this->getVirtualisedController();
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return $controller && $controller->hasMethod($method);
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}
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/**
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* Pass unrecognized method calls on to the original controller
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*
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* @param string $method
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* @param string $args
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* @return mixed
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*
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* @throws Exception Any error other than a 'no method' error.
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*/
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public function __call($method, $args)
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{
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// Check if we can safely call this method before passing it back
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// to custom methods.
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if ($this->getExtraMethodConfig($method)) {
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return parent::__call($method, $args);
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}
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// Pass back to copied page
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$controller = $this->getVirtualisedController();
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if (!$controller) {
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return null;
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}
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// Ensure request/response data is available on virtual controller
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$controller->setRequest($this->getRequest());
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$controller->setResponse($this->getResponse());
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return call_user_func_array(array($controller, $method), $args);
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}
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}
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