, Ghent University: cleanup, refactoring and rewriting large parts of the code * @author Julio Montoya Armas , Dokeos: Personality Test modifications * @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'); require_once('survey.lib.php'); $this_section=SECTION_COURSES; // 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); // We exit here if ther is no valid $_GET parameter if (!isset($_GET['survey_id']) OR !is_numeric($_GET['survey_id'])){ Display :: display_header(get_lang('SurveyPreview')); Display :: display_error_message(get_lang('InvallidSurvey'), false); Display :: display_footer(); exit; } // getting the survey information $survey_id = intval($_GET['survey_id']); $survey_data = survey_manager::get_survey($survey_id); if (empty($survey_data)) { Display :: display_header(get_lang('SurveyPreview')); Display :: display_error_message(get_lang('InvallidSurvey'), false); Display :: display_footer(); exit; } $urlname = strip_tags(api_substr(api_html_entity_decode($survey_data['title'],ENT_QUOTES,$charset), 0, 40)); if (api_strlen(strip_tags($survey_data['title'])) > 40) { $urlname .= '...'; } // breadcrumbs $interbreadcrumb[] = array ("url" => 'survey_list.php', 'name' => get_lang('SurveyList')); $interbreadcrumb[] = array ("url" => "survey.php?survey_id=".$survey_id, "name" => $urlname); // Header Display :: display_header(get_lang('SurveyPreview')); // We exit here is the first or last question is a pagebreak (which causes errors) SurveyUtil::check_first_last_question($survey_id, false); // only a course admin is allowed to preview a survey: you are NOT a course admin => error message /* if (!api_is_allowed_to_edit(false,true)) { Display :: display_error_message(get_lang('NotAllowed'), false); }*/ $counter_question = 0; // only a course admin is allowed to preview a survey: you are a course admin if (api_is_course_admin() || (api_is_course_admin() && $_GET['isStudentView']=='true') || api_is_allowed_to_session_edit(false,true)) { // survey information echo '

'.$survey_data['survey_title'].'

'; echo '

'.$survey_data['survey_subtitle'].'

'; // displaying the survey introduction if (!isset($_GET['show'])) { echo '

'.$survey_data['survey_introduction'].'

'; $limit = 0; } // displaying the survey thanks message if(isset($_POST['finish_survey'])) { echo '

'.get_lang('SurveyFinished').' '.$survey_data['survey_thanks'].'

'; Display :: display_footer(); exit; } if (isset($_GET['show'])) { // Getting all the questions for this page and add them to a multidimensional array where the first index is the page. // as long as there is no pagebreak fount we keep adding questions to the page $questions_displayed = array(); $paged_questions = array(); $counter = 0; $sql = "SELECT * FROM $table_survey_question WHERE survey_id = '".Database::escape_string($survey_id)."' ORDER BY sort ASC"; $result = Database::query($sql); while ($row = Database::fetch_array($result)) { if($row['type'] == 'pagebreak') { $counter++; } else { $paged_questions[$counter][] = $row['question_id']; } } if (array_key_exists($_GET['show'], $paged_questions)) { $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 $table_survey_question_option survey_question_option ON survey_question.question_id = survey_question_option.question_id WHERE survey_question.survey_id = '".Database::escape_string($survey_id)."' AND survey_question.question_id IN (".Database::escape_string(implode(',',$paged_questions[$_GET['show']])).") ORDER BY survey_question.sort, survey_question_option.sort ASC"; $result = Database::query($sql); $question_counter_max = Database::num_rows($result); $limit=0; while ($row = Database::fetch_array($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'][intval($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 { break; } $counter_question++; } } } // selecting the maximum number of pages $sql = "SELECT * FROM $table_survey_question WHERE type='".Database::escape_string('pagebreak')."' AND survey_id='".Database::escape_string($survey_id)."'"; $result = Database::query($sql); $numberofpages = Database::num_rows($result) + 1; // Displaying the form with the questions if (isset($_GET['show'])) { $show = (int)$_GET['show'] + 1; } else { $show = 0; } echo ''; } else { Display :: display_error_message(get_lang('NotAllowed'), false); } // Footer Display :: display_footer();