Demo-Component/admin/controller.php

<?php
/*----------------------------------------------------------------------------------|  www.vdm.io  |----/
				Vast Development Method 
/-------------------------------------------------------------------------------------------------------/

	@version		1.0.5
	@build			21st February, 2016
	@created		5th August, 2015
	@package		Demo
	@subpackage		controller.php
	@author			Llewellyn van der Merwe <https://www.vdm.io/>	
	@copyright		Copyright (C) 2015. All Rights Reserved
	@license		GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
  ____  _____  _____  __  __  __      __       ___  _____  __  __  ____  _____  _  _  ____  _  _  ____ 
 (_  _)(  _  )(  _  )(  \/  )(  )    /__\     / __)(  _  )(  \/  )(  _ \(  _  )( \( )( ___)( \( )(_  _)
.-_)(   )(_)(  )(_)(  )    (  )(__  /(__)\   ( (__  )(_)(  )    (  )___/ )(_)(  )  (  )__)  )  (   )(  
\____) (_____)(_____)(_/\/\_)(____)(__)(__)   \___)(_____)(_/\/\_)(__)  (_____)(_)\_)(____)(_)\_) (__) 

/------------------------------------------------------------------------------------------------------*/

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

// import Joomla controller library
jimport('joomla.application.component.controller');

/**
 * General Controller of Demo component
 */
class DemoController extends JControllerLegacy
{
	/**
	 * display task
	 *
	 * @return void
	 */
        function display($cachable = false, $urlparams = false)
	{
		// set default view if not set
		$view   = $this->input->getCmd('view', 'Demo');
		$data	= $this->getViewRelation($view);
		$layout	= $this->input->get('layout', null, 'WORD');
		$id    	= $this->input->getInt('id');

		// Check for edit form.
                if(DemoHelper::checkArray($data))
                {
                    if ($data['edit'] && $layout == 'edit' && !$this->checkEditId('com_demo.edit.'.$data['view'], $id))
                    {
                        // Somehow the person just went to the form - we don't allow that.
                        $this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id));
                        $this->setMessage($this->getError(), 'error');
                        // check if item was opend from other then its own list view
                        $ref 	= $this->input->getCmd('ref', 0);
                        $refid 	= $this->input->getInt('refid', 0);
                        // set redirect
                        if ($refid > 0 && DemoHelper::checkString($ref))
                        {
                            // redirect to item of ref
                            $this->setRedirect(JRoute::_('index.php?option=com_demo&view='.(string)$ref.'&layout=edit&id='.(int)$refid, false));
                        }
                        elseif (DemoHelper::checkString($ref))
                        {

                            // redirect to ref
                            $this->setRedirect(JRoute::_('index.php?option=com_demo&view='.(string)$ref, false));
                        }
                        else
                        {
                            // normal redirect back to the list view
                            $this->setRedirect(JRoute::_('index.php?option=com_demo&view='.$data['views'], false));
                        }

                        return false;
                    }
                }

		return parent::display($cachable, $urlparams);
	}

	protected function getViewRelation($view)
	{
                if (DemoHelper::checkString($view))
                {
                        $views = array(
				'look' => 'looks',
				'help_document' => 'help_documents'
                                );
                        // check if this is a list view
                        if (in_array($view,$views))
                        {
                            return array('edit' => false, 'view' => array_search($view,$views), 'views' => $view);
                        }
                        // check if it is an edit view
                        elseif (array_key_exists($view,$views))
                        {
                                return array('edit' => true, 'view' => $view, 'views' => $views[$view]);
                        }
                }
		return false;
	}
}