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/home/develito/www/components/com_config/controller/config/display.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_config
 *
 * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * Display Controller for global configuration
 *
 * @since  3.2
 */
class ConfigControllerConfigDisplay extends ConfigControllerDisplay
{
	/**
	 * Method to display global configuration.
	 *
	 * @return  boolean	True on success, false on failure.
	 *
	 * @since   3.2
	 */
	public function execute()
	{
		// Get the application
		$app = $this->getApplication();

// Get the document object.
		$document     = JFactory::getDocument();

$viewName     = $this->input->getWord('view', 'config');
		$viewFormat   = $document->getType();
		$layoutName   = $this->input->getWord('layout', 'default');

// Access backend com_config
		JLoader::registerPrefix(ucfirst($viewName), JPATH_ADMINISTRATOR . '/components/com_config');
		$displayClass = new ConfigControllerApplicationDisplay;

// Set backend required params
		$document->setType('json');
		$app->input->set('view', 'application');

// Execute backend controller
		$serviceData = json_decode($displayClass->execute(), true);

// Reset params back after requesting from service
		$document->setType('html');
		$app->input->set('view', $viewName);

// Register the layout paths for the view
		$paths = new SplPriorityQueue;
		$paths->insert(JPATH_COMPONENT . '/view/' . $viewName . '/tmpl', 'normal');

$viewClass  = 'ConfigView' . ucfirst($viewName) . ucfirst($viewFormat);
		$modelClass = 'ConfigModel' . ucfirst($viewName);

if (class_exists($viewClass))
		{
			if ($viewName !== 'close')
			{
				$model = new $modelClass;

// Access check.
				if (!JFactory::getUser()->authorise('core.admin', $model->getState('component.option')))
				{
					return;
				}
			}

$view = new $viewClass($model, $paths);

$view->setLayout($layoutName);

// Push document object into the view.
			$view->document = $document;

// Load form and bind data
			$form = $model->getForm();

if ($form)
			{
				$form->bind($serviceData);
			}

// Set form and data to the view
			$view->form = &$form;
			$view->data = &$serviceData;

// Render view.
			echo $view->render();
		}

return true;
	}
}