Fix questions with right results - refs BT#11024

main/exercise/exercise.class.php

@@ -8487,6 +8487,17 @@ class Exercise
                         case FILL_IN_BLANKS:
                             $isCorrect = FillBlanks::isCorrect($answer['answer']);
                             break;
+                        case MATCHING:
+                            //no break
+                        case DRAGGABLE:
+                            //no break
+                        case MATCHING_DRAGGABLE:
+                            $isCorrect = Matching::isCorrect(
+                                $answer['position'],
+                                $answer['answer'],
+                                $answer['question_id']
+                            );
+                            break;
                         default:
                             $isCorrect = $objAnswer->isCorrectByAutoId($answer['answer']);
                     }

main/exercise/matching.class.php

@@ -275,4 +275,29 @@ class Matching extends Question
 
         return $header;
     }
+
+    /**
+     * Check if a answer is correct
+     * @param int $position
+     * @param int $answer
+     * @return bool
+     */
+    public static function isCorrect($position, $answer, $questionId)
+    {
+        $em = Database::getManager();
+
+        $count = $em
+            ->createQuery('
+                SELECT COUNT(a) From ChamiloCourseBundle:CQuizAnswer a
+                WHERE a.iid = :position AND a.correct = :answer AND a.questionId = :question
+            ')
+            ->setParameters([
+                'position' => $position,
+                'answer' => $answer,
+                'question' => $questionId
+            ])
+            ->getSingleScalarResult();
+
+        return $count ? true : false;
+    }
 }

main/inc/lib/exercise.lib.php

@@ -848,6 +848,7 @@ class ExerciseLib
                                 ]
                             );
                             $selectedValue = 0;
+                            $selectedKey = 0;
                             $draggableSelectOptions = [];
 
                             foreach ($select_items as $key => $val) {
@@ -861,6 +862,7 @@ class ExerciseLib
                                     isset($user_choice[$matching_correct_answer]) &&
                                     $val['id'] == $user_choice[$matching_correct_answer]['answer']
                                 ) {
+                                    $selectedKey = $key;
                                     $selectedValue = $val['id'];
                                 }
 
@@ -880,16 +882,16 @@ class ExerciseLib
                             );
 
                             if (!empty($answerCorrect) && !empty($selectedValue)) {
-                                $s .= <<<JAVASCRIPT
+                                $s .= "
                                     <script>
                                         $(function() {
                                             DraggableAnswer.deleteItem(
-                                            $('#{$questionId}_{$selectedValue}'),
-                                            $('#drop_$windowId')
+                                                $('#{$questionId}_{$lines_count}'),
+                                                $('#drop_{$questionId}_{$selectedKey}')
                                             );
                                         });
                                     </script>
-JAVASCRIPT;
+                                ";
                             }
 
                             if (isset($select_items[$lines_count])) {

main/template/default/exercise/submit.js.tpl

@@ -11,8 +11,6 @@ var DraggableAnswer = {
         item.fadeOut(function () {
             var $list = $('<ul>').addClass('gallery ui-helper-reset').appendTo(insertHere);
 
-            item.find('a.btn').remove();
-
             var droppedId = item.attr('id'),
                 dropedOnId = insertHere.attr('id'),
                 originSelectId = 'window_' + droppedId + '_select',
@@ -20,9 +18,11 @@ var DraggableAnswer = {
 
             $('#' + originSelectId + ' option')
                 .filter(function (index) {
-                    return index === parseInt(value);
+                    var position = insertHere.prop('id').split('_')[2];
+
+                    return index === parseInt(position);
                 })
-                .attr("selected", true);
+                .prop("selected", true);
 
             item.appendTo($list).fadeIn();
         });
@@ -30,11 +30,6 @@ var DraggableAnswer = {
     recycleItem: function (item) {
         item.fadeOut(function () {
             item
-                .find('a.btn')
-                .remove()
-                .end()
-                .find("img")
-                .end()
                 .appendTo(DraggableAnswer.gallery)
                 .fadeIn();
         });
@@ -42,7 +37,8 @@ var DraggableAnswer = {
         var droppedId = item.attr('id'),
             originSelectId = 'window_' + droppedId + '_select';
 
-        $('#' + originSelectId + ' option:first').attr('selected', 'selected');
+        $('#' + originSelectId + ' option').prop('selected', false);
+        $('#' + originSelectId + ' option:first').prop('selected', true);
     },
     init: function (gallery, trash) {
         this.gallery = gallery;