Start working on multiple choice questions.

[platal.git] / modules / survey / multiple.inc.php

diff --git a/modules/survey/multiple.inc.php b/modules/survey/multiple.inc.php
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+++ b/modules/survey/multiple.inc.php
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+<?php
+/***************************************************************************
+ *  Copyright (C) 2003-2011 Polytechnique.org                              *
+ *  http://opensource.polytechnique.org/                                   *
+ *                                                                         *
+ *  This program is free software; you can redistribute it and/or modify   *
+ *  it under the terms of the GNU General Public License as published by   *
+ *  the Free Software Foundation; either version 2 of the License, or      *
+ *  (at your option) any later version.                                    *
+ *                                                                         *
+ *  This program is distributed in the hope that it will be useful,        *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
+ *  GNU General Public License for more details.                           *
+ *                                                                         *
+ *  You should have received a copy of the GNU General Public License      *
+ *  along with this program; if not, write to the Free Software            *
+ *  Foundation, Inc.,                                                      *
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
+ ***************************************************************************/
+
+class SurveyQuestionMultiple extends SurveyQuestion
+{
+    public function __construct(Survey $survey)
+    {
+        parent::__construct($survey);
+        $this->type = "multiple";
+    }
+
+    protected function buildAnswer(SurveyAnswer $answer, PlDict $data)
+    {
+        $content = $data->v($this->qid);
+        $value   = $content['answer'];
+        if (empty($value)) {
+            $answer->answer = null;
+            return true;
+        }
+        $id = to_integer($value);
+        if ($id === false) {
+            if ($value != 'other') {
+                $answer->answers = null;
+                return false;
+            }
+            if (@$this->parameters['allow_other']) {
+                $answer->answer = array('other' => $content['text']);
+            }
+        } else {
+            if ($id >= count($this->parameters['answers'])) {
+                $answer->answers = null;
+                return false;
+            }
+            $answer->answer = array('answer' => $id);
+        }
+        return true;
+    }
+}
+
+?>