/extensions.ext/containermanager/ContainermanagerController.php

<?php

/**

 * @category   OntoWiki

 * @package    OntoWiki_extensions_components_containermanager

 */

require_once 'OntoWiki/Controller/Component.php';

require_once 'OntoWiki/Module/Registry.php';

/**

 * @category   OntoWiki

 * @package    OntoWiki_extensions_components_containermanager

 */

 

//TODO: use zend for session management 

 

class ContainermanagerController extends OntoWiki_Controller_Component

{   

	private $container;



	public function init()

    {

		parent::init();

		

		if  ( (!isset($_SESSION['container'])) || ($_SESSION['container'] == null) ) {

            $_SESSION['container'] = array();

        }

		//if (!isset($_SESSION['container'])) {

		if (!isset($this->container)) {

			if($_SESSION['container']) {

				$this->container = $_SESSION['container'];

				$_SESSION['message'] = null; 

			}

			else {

				$this->container = array();

				$_SESSION['container'] = $this->container;

				$_SESSION['message'] = null;	

			}

		}

		//$this->_response->setBody($this->view->render('containermanager/box.phtml'));

		

	}

	

	public function __call($method, $args)

	{

		$this->_forward('view');

	}

	

	/**

	* Adds a new container 

	*/

	public function addcontainerAction() {

		$this->_helper->viewRenderer->setNoRender();

        $this->_helper->layout()->disableLayout();

		$url = $_SERVER['REQUEST_URI'];

		$name = strrchr ( $url, '=' );

		$name = substr($name, 1);

		$this->container = $_SESSION['container'];

		if(array_key_exists($name, $this->container)) {

			$this->_abort('The container you entered already exists.', OntoWiki_Message::ERROR);	

			exit;

		}

		$this->container[$name] = array();

		ksort($this->container);

		$_SESSION['container'] = $this->container;

       	$this->_response->setBody($this->view->render('containermanager/box.phtml'));

	}

	

	/**

	*Deletes the selected container.

	*/

	public function deletecontainerAction() {

		$this->_helper->viewRenderer->setNoRender();

        $this->_helper->layout()->disableLayout();

		$this->container = $_SESSION['container'];

		$url = $_SERVER['REQUEST_URI'];

		$name = strrchr ( $url, '=' );

		$name = substr($name, 1);

		if(array_key_exists($name, $this->container)) {

		unset($this->container[$name]);

		$_SESSION['container'] = $this->container;

		if ($_SESSION['list'][$name])  unset($_SESSION['list'][$name]); 

		$this->_response->setBody($this->view->render('containermanager/box.phtml'));

		} else {

			$this->_abort('The container you entered does not exists.', OntoWiki_Message::ERROR);

			exit;

		}

	

	}

	

	/**

	* Add a Ressource to the selected Container

	*/

	public function addressourceAction() {

		$this->_helper->viewRenderer->setNoRender();

        $this->_helper->layout()->disableLayout();

		$this->container = $_SESSION['container'];

		$url = $_SERVER['REQUEST_URI'];

		$name = strstr ( $url, '=' );

		$name = substr($name, 1);

		$modeluri = $name;

		$name = substr_replace($name, '', strpos ( $name, '?' ));

		

		$modeluri = strstr($modeluri, '=');

		$modeluri = substr($modeluri, 1);

		$modeluri = substr_replace($modeluri, '', strpos ( $modeluri, '?' ));

		

		$r = strrchr($url, '=');

		$r = substr($r, 1);

		

		

		$title = 'hallo';

		$page = 2;

		if(!array_key_exists($name, $this->container)) {

			$this->_abort('The container you entered does not exists.', OntoWiki_Message::ERROR);

			exit;

		}

		if(strlen($name) == 0) {

			$this->_abort('No Container name was declared.', OntoWiki_Message::ERROR);

			exit;

		}

		

		if(strlen($modeluri) == 0) {

			$this->_abort('No Modeluri was declared.', OntoWiki_Message::ERROR);

			exit;

		}

		

		if(strlen($r) == 0) {

			$this->_abort('No Ressourceuri was declared.', OntoWiki_Message::ERROR);

			exit;

		}

		if($_SESSION['container'][$name] != null || isset($_SESSION['container'][$name])) {

			$this->add($modeluri, $r, $name, $this->container, $title);

			$this->pager($name, $page);

			//$this->view->render('list.php');

		}

		$this->_response->setBody($this->view->render('containermanager/list.phtml'));

	

	}

	

	/**

	* Removes a selected Ressource from the container

	*/

	public function deleteressourceAction() {

		$this->_helper->viewRenderer->setNoRender();

        $this->_helper->layout()->disableLayout();

		$this->container = $_SESSION['container'];

		$url = $_SERVER['REQUEST_URI'];

		$name = strstr ( $url, '=' );

		$name = substr($name, 1);

		$modeluri = $name;

		$name = substr_replace($name, '', strpos ( $name, '?' ));

		

		$modeluri = strstr($modeluri, '=');

		$modeluri = substr($modeluri, 1);

		$modeluri = substr_replace($modeluri, '', strpos ( $modeluri, '?' ));

		

		$r = strrchr($url, '=');

		$r = substr($r, 1);

		

		$title = 'hallo';

		$page = 2;

		

		if(!array_key_exists($name, $this->container)) {

			$this->_abort('The container you entered does not exists.', OntoWiki_Message::ERROR);

			exit;

		}

		if(strlen($name) == 0) {

			$this->_abort('No Container name was declared.', OntoWiki_Message::ERROR);

			exit;

		}

		

		if(strlen($modeluri) == 0) {

			$this->_abort('No Modeluri was declared.', OntoWiki_Message::ERROR);

			exit;

		}

		

		if(strlen($r) == 0) {

			$this->_abort('No Ressourceuri was declared.', OntoWiki_Message::ERROR);

			exit;

		}

		if($modeluri == null || $r == null ){

			//$_SESSION['message'] = '<p class="message error">' . $this->_strings->cm->error->mod_res . '</p>';

			//$this->view->message = '<p class="message error">' . $this->_strings->cm->error->mod_res . '</p>';

			//header('HTTP/1.0 500 Internal Server Error');

			//echo $this -> view -> render('message.php');

			//$this->pager($name, $page);

			//$this->view->render('list.php');

			//exit();

		}

		for($i=0;$i<sizeof($this->container[$name]);$i++){

			if($this->container[$name][$i][0]==$r && $this->container[$name][$i][1]==$modeluri){

				unset($this->container[$name][$i]);

				break;

			}

		}

		$this->pager($name, $page);

		$_SESSION['container'] = $this->container;

		$this->_response->setBody($this->view->render('containermanager/list.phtml'));

	

	}

	

	

	public function listcontainerAction() {

		$this->_helper->viewRenderer->setNoRender();

        $this->_helper->layout()->disableLayout();

		$this->container = $_SESSION['container'];

		$url = $_SERVER['REQUEST_URI'];

		$name = strrchr ( $url, '=' );

		$name = substr($name, 1);				

		// prepares the specified container in a separate array

		$_SESSION['list'] = array();

		$_SESSION['list'][$name] = $this->container[$name];

		$title = 'hallo';

		$page = 2;

		if(!array_key_exists($name, $this->container)) {

			$this->_abort('The container you entered does not exists.', OntoWiki_Message::ERROR);

			exit;

		}								

		if($_SESSION['list'][$name] == null && ! array_key_exists( $name , $this->container ) ){

					

			//$_SESSION['message'] = '<p class="messagebox">' . $this->_strings->cm->error->entries . '</p>';

			//$this->view->message = '<p class="message error">' . $this->_strings->cm->error->entries . '</p>';

			//header('HTTP/1.0 400 Bad Request');

			//echo $this -> view -> render('message.php');

			//$this->pager($name, $page);	

			//echo $this -> view -> render('list.php');

			//exit();

		}

					

		$this->pager($name, $page);		

		$this->_response->setBody($this->view->render('containermanager/list.phtml'));

	}

	

	

	/**

	* Removes all ressources from the selected container.

	*/

	public function clearcontainerAction() {

		$this->_helper->viewRenderer->setNoRender();

        $this->_helper->layout()->disableLayout();

		$this->container = $_SESSION['container'];

		$url = $_SERVER['REQUEST_URI'];

		$name = strrchr ( $url, '=' );

		$name = substr($name, 1);

		if(!array_key_exists($name, $this->container)) {

			$this->_abort('The container you entered does not exists.', OntoWiki_Message::ERROR);

			exit;

		}

		$this->container[$name] = array();

		$_SESSION['container'] = $this->container;

		if ($_SESSION['list'][$name])  $_SESSION['list'][$name] = array();

		$this->_response->setBody($this->view->render('containermanager/box.phtml'));

	}

	

	// generalizes the add actions

	private function add($modelUri, $r, $name, $container, $title){

					

		if ($modelUri == null || $r == null || $modelUri == 'undefined'|| $r == 'undefined' || $title == 'undefined' || $title == null){

			$this->_abort('No model or resource existing.', OntoWiki_Message::ERROR);

			//$_SESSION['message'] = '<p class="massage error">' . $this->_strings->cm->error->mod_res . '</p>';

			//$this->view->message = '<p class="massage error">' . $this->_strings->cm->error->mod_res . '</p>';

			//header('HTTP/1.0 500 Internal Server Error');

			//echo $this -> view -> render('message.php');

			return;

		}

		if (!array_key_exists($name, $container)) {

			$this->_abort('The container you entered ist not existing yet.', OntoWiki_Message::ERROR);

			//$_SESSION['message'] = '<p class="message error">' . $this->_strings->cm->error->nContainer . '</p>';

			//$this->view->message = '<p class="message error">' . $this->_strings->cm->error->nContainer . '</p>';

			//header('HTTP/1.0 400 Bad Request');

			//echo $this -> view -> render('message.php');

			return;

		}

		for($i=0;$i<sizeof($container[$name]);$i++){

			if($container[$name][$i][0]==$r && $container[$name][$i][1]==$modelUri){

				$this->_abort('This entry already exists in the choosen container.', OntoWiki_Message::ERROR);

				//$_SESSION['message'] = '<p class="message error">' . $this->_strings->cm->error->entry . '</p>';

				//$this->view->message = '<p class="message error">' . $this->_strings->cm->error->entry . '</p>';

				//header('HTTP/1.0 400 Bad Request');

				//echo $this -> view -> render('message.php');

			return;

			}

		}		



		$container[$name][] = array($r, $modelUri, $title);

		asort($container[$name]);

		$_SESSION['container'] = $container;

								

		$_SESSION['list'] = array();

		$_SESSION['list'][$name] = $container[$name];

									

		if($_SESSION['list'][$name] == null && !(array_search(null, $container) == $name )){

			$this->_abort('Please check your entries.', OntoWiki_Message::ERROR);

			//$_SESSION['message'] = '<p class="messagebox">' . $this->_strings->cm->error->entries . '</p>';

			//$this->view->message = '<p class="messagebox">' . $this->_strings->cm->error->entries . '</p>';

			//header('HTTP/1.0 400 Bad Request');

			//echo $this -> view -> render('message.php');

			return;

		}		

	}

	

	// pager

	function pager($name, $page){

		// page navigation

					

		// number of entries per page

		$max = 10; 

		// number of pages

		$count_pages = ((count($_SESSION['container'][$name]))/$max);

				

		if ( isset($this->view->pagerLinks ) ) unset( $this->view->pagerLinks);

		// prepare an array for pager variables

		$this->view->pagerLinks = array();

		$this->view->pagerLinks['max'] = $max;

		$maxButtons = 10;

		$counter = 0;

					

		if (!isset($page) OR $page == 'undefined') { 

			$page = 1;

		}

		// save the page number from the request objekt to pagerLinks array

		$this->view->pagerLinks['page'] = $page;

		

		// back links for side navi

		if ($page != 1) { 

			$back = $page-1; 

			//$this->view->pagerLinks['first'] = "<a class='pager' name='".$name."' id='1'>&lsaquo;&nbsp;" . $this->_strings->cm->page->first . "</a>";

			//$this->view->pagerLinks['back'] = "<a class='pager' name='".$name."' id='". $back ."'>&laquo;&nbsp;" . $this->_strings->cm->page->prev . "</a>";

			$counter += 2;

		}

					

		// forward links for side navi

		if ($page < $count_pages) { 

			$forward = $page+1; 

			//$this->view->pagerLinks['forward'] = "<a class='pager' name='".$name."' id='". $forward . "'>". $this->_strings->cm->page->next . "&nbsp;&raquo;</a>";

			//$this->view->pagerLinks['last'] = "<a class='pager' name='".$name."' id='". $count_pages ."'>". $this->_strings->cm->page->last . "&nbsp;&rsaquo;</a>";

			$counter += 2;

		}

				

		// all other displayed pages

		if($count_pages > 1) {

			$buffer = $maxButtons - $counter;

			for ($i = 1; $i < $count_pages+1; $i++) { 

				if($i > $page-($buffer/2) && $i <= $page+($buffer/2)){

					//if($i == $page) $this->view->pagerLinks['pages'][$i] = "<a class='pager selected' name='".$name."' id='". $i ."'>" . $i . "</a>";

					//else {

						//$this->view->pagerLinks['pages'][$i] = "<a class='pager' name='".$name."' id='". $i ."'>" . $i . "</a>";	

					//}

				} 

			}

		}

	}

	

	function modelSort( $array ){

		

		$modelList = array();

		foreach($array as $key => $value){

			$modelURI = $value[1];

			$resourceURI = $value[0];

			if( array_key_exists($modelURI, $modelList)){

				array_push($modelList[$modelURI], $resourceURI);

			}

			else {

				$modelList[$modelURI] = array($resourceURI);	

			}

		}

		return $modelList;

	}

	

	    /**

     * Shortcut for adding messages

     */

    private function _abort($msg, $type = null, $redirect = null)

    {

        if (empty($type)) {

            $type = OntoWiki_Message::INFO;

        }



        $this->_owApp->appendMessage(

            new OntoWiki_Message(

                $msg ,

                $type

            )

        );



        if (empty($redirect)) {

            if ($redirect !== false) {

                $this->_redirect($this->_config->urlBase);

            }

        } else {

            $this->_redirect((string)$redirect);

        }



        return true;



    }



}