implement basic QuesttypeAgent ?Drag&Drop?

questtypes/dragndrop/DragndropQuesttypeModel.inc

@@ -0,0 +1,109 @@
+<?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 DragndropQuesttypeAgent for Drag&Drop.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class DragndropQuesttypeModel extends \hhu\z\QuesttypeModel
+	{
+		
+		
+		
+		
+		/**
+		 * Get Drag&Drop-field.
+		 * 
+		 * @param	int	$questId	ID of Quest
+		 * @return	array			Drag&Drop-field
+		 */
+		public function getDragndrop($questId)
+		{
+			$data = $this->db->query(
+				'SELECT quest_id, questmedia_id, width, height '.
+				'FROM questtypes_dragndrop '.
+				'WHERE quest_id = ?',
+				'i',
+				$questId
+			);
+			if(!empty($data)) {
+				return $data[0];
+			}
+			
+			
+			return null;
+		}
+		
+		
+		/**
+		 * Get Drop-items.
+		 * 
+		 * @param	int	$dragndropId	ID of Drag&Drop-field
+		 * @return	array			Drop-items
+		 */
+		public function getDrops($dragndropId)
+		{
+			return $this->db->query(
+				'SELECT id, top, `left`, width, height, questtypes_dragndrop_drag_id '.
+				'FROM questtypes_dragndrop_drops '.
+				'WHERE questtypes_dragndrop_id = ?',
+				'i',
+				$dragndropId
+			);
+		}
+		
+		
+		/**
+		 * Get Drag-items.
+		 * 
+		 * @param	int	$dragndropId	ID of Drag&Drop-field
+		 * @return	array			Drag-items
+		 */
+		public function getDrags($dragndropId)
+		{
+			return $this->db->query(
+				'SELECT id, questmedia_id '.
+				'FROM questtypes_dragndrop_drags '.
+				'WHERE questtypes_dragndrop_id = ?',
+				'i',
+				$dragndropId
+			);
+		}
+		
+		
+		/**
+		 * Save Character’s submitted answer for one Drag&Drop-field.
+		 * 
+		 * @param	int	$dropId		ID of Drop-field
+		 * @param	int	$characterId	ID of Character
+		 * @param	string	$answer		Submitted Drag-field-ID for this field
+		 */
+		public function setCharacterSubmission($dropId, $characterId, $answer)
+		{
+			$this->db->query(
+				'INSERT INTO questtypes_dragndrop_drops_characters '.
+				'(questtypes_dragndrop_drops_id, character_id, questtypes_dragndrop_drag_id) '.
+				'VALUES '.
+				'(?, ?, ?) '.
+				'ON DUPLICATE KEY UPDATE '.
+				'questtypes_dragndrop_drag_id = ?',
+				'iiii',
+				$dropId, $characterId, $answer, $answer
+			);
+		}
+		
+	}
+
+?>