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- <?php
- /*
- DOKEOS - elearning and course management software
- For a full list of contributors, see documentation/credits.html
- 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.
- See "documentation/licence.html" more details.
- Contact:
- Dokeos
- Rue des Palais 44 Paleizenstraat
- B-1030 Brussels - Belgium
- Tel. +32 (2) 211 34 56
- */
- /**
- * @package dokeos.survey
- * @author unknown, the initial survey that did not make it in 1.8 because of bad code
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts of the code
- * @version $Id: survey_list.php 10680 2007-01-11 21:26:23Z pcool $
- *
- * @todo use quickforms for the forms
- */
- // name of the language file that needs to be included
- $language_file = 'survey';
- // including the global dokeos file
- require ('../inc/global.inc.php');
- // including additional libraries
- //require_once (api_get_path(LIBRARY_PATH)."/survey.lib.php");
- require_once('survey.lib.php');
- // Database table definitions
- $table_survey = Database :: get_course_table(TABLE_SURVEY);
- $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
- $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
- $table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
- $table_user = Database :: get_main_table(TABLE_MAIN_USER);
- // getting the survey information
- $survey_data = survey_manager::get_survey($_GET['survey_id']);
- $urlname = substr(strip_tags($survey_data['title']), 0, 40);
- if (strlen(strip_tags($survey_data['title'])) > 40)
- {
- $urlname .= '...';
- }
- // breadcrumbs
- $interbreadcrumb[] = array ("url" => 'survey_list.php', 'name' => get_lang('SurveyList'));
- $interbreadcrumb[] = array ("url" => "survey.php?survey_id=".$_GET['survey_id'], "name" => $urlname);
- // Header
- Display :: display_header(get_lang('SurveyPreview'));
- // only a course admin is allowed to preview a survey: you are NOT a course admin => error message
- if (!api_is_allowed_to_edit())
- {
- Display :: display_error_message(get_lang('NotAllowedHere'), false);
- }
- // only a course admin is allowed to preview a survey: you are a course admin
- else
- {
- if (!isset($_GET['survey_id']) OR !is_numeric($_GET['survey_id']))
- {
- Display :: display_error_message(get_lang('InvallidSurvey'), false);
- }
- // survey information
- echo '<div id="survey_title">'.$survey_data['survey_title'].'</div>';
- echo '<div id="survey_subtitle">'.$survey_data['survey_subtitle'].'</div>';
- // displaying the survey introduction
- if (!isset($_GET['show']))
- {
- echo '<div id="survey_content" class="survey_content">'.$survey_data['survey_introduction'].'</div>';
- $limit = 0;
- }
- // displaying the survey thanks message
- if ($_POST['finish_survey'])
- {
- echo '<div id="survey_content" class="survey_content"><strong>'.get_lang('SurveyFinished').'</strong>'.$survey_data['survey_thanks'].'</div>';
- Display :: display_footer();
- exit;
- }
- if (isset($_GET['show']))
- {
- // Getting all the questions for this page
- $sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type, survey_question.max_value,
- survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
- FROM $table_survey_question survey_question
- LEFT JOIN $table_survey_question_option survey_question_option
- ON survey_question.question_id = survey_question_option.question_id
- WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
- ORDER BY survey_question.sort ASC";
- if ($_GET['show'])
- {
- $sql .= ' LIMIT '.($_GET['show']+1).',1000';
- }
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $question_counter_max = mysql_num_rows($result);
- $counter = 0;
- $limit=0;
- while ($row = mysql_fetch_assoc($result))
- {
- // if the type is not a pagebreak we store it in the $questions array
- if($row['type'] <> 'pagebreak')
- {
- $questions[$row['sort']]['question_id'] = $row['question_id'];
- $questions[$row['sort']]['survey_id'] = $row['survey_id'];
- $questions[$row['sort']]['survey_question'] = $row['survey_question'];
- $questions[$row['sort']]['display'] = $row['display'];
- $questions[$row['sort']]['type'] = $row['type'];
- $questions[$row['sort']]['options'][$row['option_sort']] = $row['option_text'];
- $questions[$row['sort']]['maximum_score'] = $row['max_value'];
- }
- // if the type is a pagebreak we are finished loading the questions for this page
- else
- {
- $limit = $counter;
- break;
- }
- $counter++;
- }
- }
- // Displaying the form with the questions
- echo '<form id="question" name="question" method="post" action="'.$_SERVER['PHP_SELF'].'?survey_id='.$_GET['survey_id'].'&show='.$limit.'">';
- foreach ($questions as $key=>$question)
- {
- $display = new $question['type'];
- $display->render_question($question);
- }
- if (($limit AND $limit <> $question_counter_max) OR !$_GET['show'])
- {
- //echo '<a href="'.$_SERVER['PHP_SELF'].'?survey_id='.$_GET['survey_id'].'&show='.$limit.'">NEXT</a>';
- echo '<br /><input type="submit" name="next_survey_page" value="'.get_lang('Next').' >> " />';
- }
- if ($limit==0 AND $_GET['show'])
- {
- echo '<input type="submit" name="finish_survey" value="'.get_lang('FinishSurvey').' >> " />';
- }
- echo '</form>';
- }
- // Footer
- Display :: display_footer();
- ?>
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