implement Questtype ?Multiple choice?

questtypes/multiplechoice/MultiplechoiceQuesttypeAgent.inc

@@ -0,0 +1,24 @@
+<?php
+	
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\questtypes;
+	
+	
+	/**
+	 * QuesttypeAgent for multiple choice.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MultiplechoiceQuesttypeAgent extends \hhu\z\QuesttypeAgent
+	{
+	}
+
+?>

questtypes/multiplechoice/MultiplechoiceQuesttypeController.inc

@@ -0,0 +1,88 @@
+<?php
+	
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\questtypes;
+	
+	
+	/**
+	 * Controller of the MultiplechoiceQuesttypeAgent multiple choice.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MultiplechoiceQuesttypeController extends \hhu\z\QuesttypeController
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Display a text with input fields and evaluate if user input
+		 * matches with stored regular expressions.
+		 */
+		public function index($questId)
+		{
+			// Answers
+			if(!array_key_exists('answers', $_SESSION)) {
+				$_SESSION['answers'] = array();
+			}
+			$answers = array_key_exists($questId, $_SESSION['answers']) ? $_SESSION['answers'][$questId] : array();
+			
+			// Check for submission
+			if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('submit')))
+			{
+				// Get answers
+				$answers = $this->request->getPostParam('answers');
+				
+				// Store answers in session
+				$_SESSION['answers'][$questId] = $answers;
+				
+				// Get right answers
+				$tickQuestions = $this->Multiplechoice->getTickQuestionsOfQuest($questId);
+				
+				// Match tick questions with user answers
+				$allSolved = true;
+				foreach($tickQuestions as &$tickQuestion)
+				{
+					$pos = intval($tickQuestion['pos'])-1;
+					if(!array_key_exists($pos, $answers) && $answers[$pos] == 'true')
+					{
+						$allSolved = false;
+						break;
+					}
+					else {
+						unset($answers[$pos]);
+					}
+				}
+				
+				// Set status
+				if($allSolved && count($answers) == 0) {
+					$this->setQuestSolved();
+				}
+				else {
+					$this->setQuestUnsolved();
+				}
+			}
+			
+			
+			// Get questions
+			$questions = $this->Multiplechoice->getQuestionsOfQuest($questId);
+			
+			
+			// Pass data to view
+			$this->set('questions', $questions);
+			$this->set('answers', $answers);
+		}
+		
+	}
+
+?>

questtypes/multiplechoice/MultiplechoiceQuesttypeModel.inc

@@ -0,0 +1,64 @@
+<?php
+	
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\questtypes;
+	
+	
+	/**
+	 * Model of the MultiplechoiceQuesttypeAgent for multiple choice.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MultiplechoiceQuesttypeModel extends \hhu\z\QuesttypeModel
+	{
+		
+		
+		
+		
+		/**
+		 * Get all multiple choice questions of a Quest.
+		 * 
+		 * @param	int	$questId	ID of Quest
+		 * @return	array			Multiple choice questions
+		 */
+		public function getQuestionsOfQuest($questId)
+		{
+			return $this->db->query(
+				'SELECT question, tick '.
+				'FROM questtypes_multiplechoice '.
+				'WHERE quest_id = ?',
+				'i',
+				$questId
+			);
+		}
+		
+		
+		/**
+		 * Get all multiple choice questions of a Quest that should be
+		 * ticked.
+		 * 
+		 * @param	int	$questId	ID of Quest
+		 * @return	array			Multiple choice questions that should be ticked
+		 */
+		public function getTickQuestionsOfQuest($questId)
+		{
+			return $this->db->query(
+				'SELECT question, tick, pos '.
+				'FROM questtypes_multiplechoice '.
+				'WHERE quest_id = ? AND tick = True',
+				'i',
+				$questId
+			);
+		}
+		
+	}
+
+?>

questtypes/multiplechoice/html/index.tpl

@@ -0,0 +1,11 @@
+<form method="post">
+	<ol>
+		<?php foreach($questions as $i => &$question) : ?>
+		<li>
+			<input type="checkbox" id="answers[<?=$i?>]" name="answers[<?=$i?>]" value="true" <?=(array_key_exists($i, $answers)) ? 'checked="checked' : '' ?> />
+			<label for="answers[<?=$i?>]"><?=\hhu\z\Utils::t($question['question'])?></label>
+		</li>
+		<?php endforeach ?>
+	</ol>
+	<input type="submit" name="submit" value="<?=_('solve')?>" />
+</form>