Fixing blocking of exercise if is attached to an LP

main/exercice/exercise_admin.php

@@ -196,21 +196,16 @@ if ($form -> validate()) {
 
 	// to hide the exercise description
 	echo '<style> .media { display:none;}</style>';
-	
-	$show_quiz_edition = true;
-	if (isset($exerciseId) && !empty($exerciseId)) {
+		
+	if (isset($objExercise) && !empty($objExercise->id)) {
 		$TBL_LP_ITEM	= Database::get_course_table(TABLE_LP_ITEM);
 		$sql="SELECT max_score FROM $TBL_LP_ITEM
-			  WHERE item_type = '".TOOL_QUIZ."' AND path ='".Database::escape_string($exerciseId)."'";
+			  WHERE item_type = '".TOOL_QUIZ."' AND path ='".Database::escape_string($objExercise->id)."'";			  
 		$result = Database::query($sql);
 		if (Database::num_rows($result) > 0) {		
-			$show_quiz_edition = false;
-		}
+			$form->freeze();
+		}	
 	}
-	if ($show_quiz_edition) {
-		$form->freeze();
-	}
-
 	$form -> display ();
 }
 Display::display_footer();