, 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 The ansTarget column is not done * @todo try to understand the white, blue, ... template stuff. * @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)."/surveymanager.lib.php"); require_once (api_get_path(LIBRARY_PATH)."/course.lib.php"); /** @todo replace this with the correct code */ /* $status = surveymanager::get_status(); api_protect_course_script(); if($status==5) { api_protect_admin_script(); } */ /** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/ if (!api_is_allowed_to_edit()) { Display :: display_header(); Display :: display_error_message(get_lang('NotAllowedHere')); Display :: display_footer(); exit; } // Database table definitions /** @todo use database constants for the survey tables */ $table_survey = Database :: get_course_table(TABLE_SURVEY); $table_group = Database :: get_course_table(TABLE_SURVEY_GROUP); $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION); $table_course = Database :: get_main_table(TABLE_MAIN_COURSE); $table_user = Database :: get_main_table(TABLE_MAIN_USER); $user_info = Database :: get_main_table(TABLE_MAIN_SURVEY_REMINDER); // language variables if (isset ($_GET['search']) && $_GET['search'] == 'advanced') { $tool_name = get_lang('SearchASurvey'); } else { $tool_name = get_lang('Survey'); } // Header Display :: display_header($tool_name); //api_display_tool_title($tool_name); // Action handling: searching if (isset ($_GET['search']) AND $_GET['search'] == 'advanced') { display_survey_search_form(); } // Action handling: deleting a survey if (isset($_GET['action']) AND $_GET['action'] == 'delete' AND isset($_GET['survey_id']) AND is_numeric($_GET['survey_id'])) { $return = SurveyManager::delete_survey($_GET['survey_id']); if ($return) { Display :: display_confirmation_message(get_lang('SurveyDeleted')); } else { Display :: display_error_message(get_lang('ErrorOccurred')); } } // Action handling: performing the same action on multiple surveys if ($_POST['action']) { if (is_array($_POST['id'])) { foreach ($_POST['id'] as $key=>$value) { SurveyManager::delete_survey($value); } Display :: display_confirmation_message(get_lang('SurveyDeleted')); } else { Display :: display_error_message(get_lang('NoSurveysSelected')); } } // Action links echo ''.get_lang('CreateNewSurvey').' | '; echo ''.get_lang('CreateExistingSurvey').' | '; echo ''.get_lang('Search').''; // Main content display_survey_list(); // Footer Display :: display_footer(); /** * This function displays the form for searching a survey * * @return html code * * @author Patrick Cool , Ghent University * @version January 2007 * * @todo use quickforms * @todo consider moving this to surveymanager.inc.lib.php */ function display_survey_search_form() { echo '

'; echo '

'.get_lang('Title').'
'.get_lang('Code').'
'.get_lang('Language').'	'.get_lang('All').''; $languages = api_get_languages(); foreach ($languages['name'] as $index => $name) { echo ''.$name.''; } echo '

'; } /** * This function displays the sortable table with all the surveys * * @return html code * * @author Patrick Cool , Ghent University * @version January 2007 */ function display_survey_list() { if ($_GET['do_search']) { $message = get_lang('DisplaySearchResults').'
'; $message .= ''.get_lang('DisplayAll').''; Display::display_normal_message($message); } // Create a sortable table with survey-data $table = new SortableTable('surveys', 'get_number_of_surveys', 'get_survey_data',2); $table->set_additional_parameters($parameters); $table->set_header(0, '', false); $table->set_header(1, get_lang('SurveyName')); $table->set_header(2, get_lang('SurveyCode')); $table->set_header(3, get_lang('Author')); $table->set_header(4, get_lang('Language')); $table->set_header(5, get_lang('AvailableFrom')); $table->set_header(6, get_lang('AvailableUntill')); $table->set_header(7, get_lang('AnsTarget')); $table->set_header(8, get_lang('Modify'), false); $table->set_column_filter(8, 'modify_filter'); $table->set_form_actions(array ('delete' => get_lang('DeleteSurvey'))); $table->display(); } /** * This function calculates the total number of surveys * * @return integer * * @author Patrick Cool , Ghent University * @version January 2007 */ function get_number_of_surveys() { global $table_survey; $search_restriction = survey_search_restriction(); if ($search_restriction) { $search_restriction = 'WHERE '.$search_restriction; } $sql = "SELECT count(survey_id) AS total_number_of_items FROM ".$table_survey.' '.$search_restriction; $res = api_sql_query($sql, __FILE__, __LINE__); $obj = mysql_fetch_object($res); return $obj->total_number_of_items; } /** * This function gets all the survey data that is to be displayed in the sortable table * * @param unknown_type $from * @param unknown_type $number_of_items * @param unknown_type $column * @param unknown_type $direction * @return unknown * * @author Patrick Cool , Ghent University * @version January 2007 */ function get_survey_data($from, $number_of_items, $column, $direction) { global $table_survey; global $table_user; // searching $search_restriction = survey_search_restriction(); if ($search_restriction) { $search_restriction = ' AND '.$search_restriction; } $sql = "SELECT survey.survey_id AS col0, survey.title AS col1, survey.code AS col2, CONCAT(user.firstname, ' ', user.lastname) AS col3, survey.lang AS col4, survey.avail_from AS col5, survey.avail_till AS col6, '' AS col7, survey.survey_id AS col8 FROM $table_survey survey, $table_user user WHERE survey.author = user.user_id $search_restriction "; $sql .= " ORDER BY col$column $direction "; $sql .= " LIMIT $from,$number_of_items"; $res = api_sql_query($sql, __FILE__, __LINE__); $surveys = array (); while ($survey = mysql_fetch_row($res)) { $surveys[] = $survey; } return $surveys; } /** * This function changes the modify column of the sortable table * * @param integer $survey_id the id of the survey * @return html code that are the actions that can be performed on any survey * * @author Patrick Cool , Ghent University * @version January 2007 */ function modify_filter($survey_id) { $return = ''.Display::return_icon('edit.gif').''; $return .= ''.Display::return_icon('add.gif').''; $return .= ''.Display::return_icon('delete.gif').''; $return .= ''.Display::return_icon('copy.gif').''; $return .= ''.Display::return_icon('preview.gif').''; $return .= ''.Display::return_icon('survey_publish.gif').''; $return .= ''.Display::return_icon('surveyreporting.gif').''; return $return; } /** * this function handles the search restriction for the SQL statements * * @return false or a part of a SQL statement * * @author Patrick Cool , Ghent University * @version January 2007 */ function survey_search_restriction() { if ($_GET['do_search']) { if ($_GET['keyword_title']<>'') { $search_term[] = 'title =\''.mysql_real_escape_string($_GET['keyword_title']).'\''; } if ($_GET['keyword_code']<>'') { $search_term[] = 'code =\''.mysql_real_escape_string($_GET['keyword_code']).'\''; } if ($_GET['keyword_language']<>'%') { $search_term[] = 'lang =\''.mysql_real_escape_string($_GET['keyword_language']).'\''; } $search_restriction = implode(' AND ', $search_term); return $search_restriction; } else { return false; } } /* if(isset($published)) { $sname = surveymanager::pick_surveyname($surveyid); $error_message = get_lang('YourSurveyHasBeenPublished'); Display::display_error_message("Survey "."'".$sname."'"." ".$error_message); } $res = api_sql_query($sql,__FILE__,__LINE__); if (mysql_num_rows($res) > 0) { $courses = array (); while ($obj = mysql_fetch_object($res)) { $template=$obj->template; $surveyid = $obj->survey_id; if($template=='template1'){$view='white';} elseif($template=='template2'){$view='blue';} elseif($template=='template3'){$view='brown';} elseif($template=='template4'){$view='gray';} else{$view=='blank';} $sql_sent=" SELECT DISTINCT user_info.* FROM $user_info as user_info INNER JOIN $table_survey as survey ON user_info.sid = survey.survey_id AND survey.code = '".$obj->code."'"; $res_sent=api_sql_query($sql_sent); $sent=mysql_num_rows($res_sent); $attempted=0; $sqlAttempt = ' SELECT DISTINCT * FROM '.Database::get_main_table(TABLE_MAIN_SURVEY_USER).' WHERE survey_id='.$obj->survey_id.' AND db_name="'.$db_name.'"'; $res_attempt=api_sql_query($sqlAttempt); $attempted=mysql_num_rows($res_attempt); if($sent=='0') {$ratio=$attempted."/".$sent." "."(Not Published)";} else $ratio=$attempted."/".$sent; $survey = array (); $survey[] = ''; $survey[] = $obj->title; $survey[] = $obj->code; $idd=surveymanager::get_author($db_name,$surveyid); $author=surveymanager::get_survey_author($idd); $survey[] = $author; $survey[] = $obj->lang; $survey[] = $obj->avail_from ; $survey[] = $obj->avail_till ; $survey[] = $ratio; //$NoOfQuestion=surveymanager::no_of_question($gid); //$language=surveymanager::no_of_question($sid); $survey[] = ''.''.''.' '.' '.' '; $surveys[] = $survey; } $table_header[] = array (' ', false); $table_header[] = array (get_lang('SurveyName'), true); $table_header[] = array (get_lang('SurveyCode'), true); $table_header[] = array (get_lang('Author'), true); $table_header[] = array (get_lang('Language'), true); $table_header[] = array (get_lang('AvailableFrom'), true); $table_header[] = array (get_lang('AvailableTill'), true); $table_header[] = array (get_lang('AnsTarget'), true); $table_header[] = array (' ', false); echo '

'; Display :: display_sortable_table($table_header, $surveys, array (), array (), $parameters); echo ''; echo ''.get_lang('DeleteSurvey').''; echo ''; echo '  '; echo '

'; } else { if((isset ($_GET['keyword'])) || (isset ($_GET['keyword_title']))){ echo get_lang('NoSearchResults') ; } else{ $nosurvey=get_lang('NoSurveyAvailable'); api_display_tool_title($nosurvey); } } } */ ?>