Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/survey/survey_list.php

432 lines
15 KiB

<?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
* @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 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($value);
}
Display :: display_confirmation_message(get_lang('SurveyDeleted'));
}
else
{
Display :: display_error_message(get_lang('NoSurveysSelected'));
}
}
// Action links
echo '<a href="create_new_survey.php?action=add">'.get_lang('CreateNewSurvey').'</a> | ';
echo '<a href="survey_all_courses.php">'.get_lang('CreateExistingSurvey').'</a> | ';
echo '<a href="'.$_SERVER['PHP_SELF'].'?search=advanced">'.get_lang('Search').'</a>';
// Main content
display_survey_list();
// Footer
Display :: display_footer();
/**
* This function displays the form for searching a survey
*
* @return html code
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*
* @todo use quickforms
* @todo consider moving this to surveymanager.inc.lib.php
*/
function display_survey_search_form()
{
echo '<form method="get" action="survey_list.php?search=advanced">';
echo '<table>
<tr>
<td>'.get_lang('Title').'</td>
<td><input type="text" name="keyword_title"/></td>
</tr>
<tr>
<td>'.get_lang('Code').'</td>
<td><input type="text" name="keyword_code"/></td>
</tr>
<tr>
<td>'.get_lang('Language').'</td>
<td>
<select name="keyword_language"><option value="%">'.get_lang('All').'</option>';
$languages = api_get_languages();
foreach ($languages['name'] as $index => $name)
{
echo '<option value="'.$languages['folder'][$index].'">'.$name.'</option>';
}
echo ' </select>
</td>
</tr>
<tr>
<td>&nbsp;</td>
<td><input type="submit" name="do_search" value="'.get_lang('Ok').'"/></td>
</tr>
</table>
</form>';
}
/**
* This function displays the sortable table with all the surveys
*
* @return html code
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*/
function display_survey_list()
{
if ($_GET['do_search'])
{
$message = get_lang('DisplaySearchResults').'<br />';
$message .= '<a href="'.$_SERVER['PHP_SELF'].'">'.get_lang('DisplayAll').'</a>';
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 <patrick.cool@UGent.be>, 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 $direction
* @return unknown
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*/
function get_survey_data($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 $survey_id the id of the survey
* @return html code that are the actions that can be performed on any survey
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*/
function modify_filter($survey_id)
{
$return = '<a href="create_new_survey.php?action=edit&amp;survey_id='.$survey_id.'">'.Display::return_icon('edit.gif').'</a>';
$return .= '<a href="survey_question.php?action=add&amp;survey_id='.$survey_id.'">'.Display::return_icon('add.gif').'</a>';
$return .= '<a href="survey_list.php?action=delete&amp;survey_id='.$survey_id.'">'.Display::return_icon('delete.gif').'</a>';
$return .= '<a href="create_survey_in_another_language.php?id_survey='.$survey_id.'">'.Display::return_icon('copy.gif').'</a>';
$return .= '<a href="survey_white.php?survey_id='.$survey_id.'">'.Display::return_icon('preview.gif').'</a>';
$return .= '<a href="../announcements/announcements.php?action=add&amp;publish_survey='.$survey_id.'">'.Display::return_icon('survey_publish.gif').'</a>';
$return .= '<a href="reporting.php?action=reporting&amp;surveyid='.$survey_id.'">'.Display::return_icon('surveyreporting.gif').'</a>';
return $return;
}
/**
* this function handles the search restriction for the SQL statements
*
* @return false or a part of a SQL statement
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*/
function survey_search_restriction()
{
if ($_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 ();
$survey[] = '<input type="checkbox" name="survey_delete[]" value="'.$obj->survey_id.'">';
$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);
$survey[] = '<a href="survey_edit.php?surveyid='.$obj->survey_id.'"><img src="../img/edit.gif" border="0" align="absmiddle" alt="'.get_lang('Edit').'"/></a>'.'<a href="survey_list.php?&action=delete_surveys&survey_delete[]='.$obj->survey_id.'&delete_survey='.$obj->survey_id.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice')))."'".')) return false;"><img src="../img/delete.gif" border="0" align="absmiddle" alt="'.get_lang('Delete').'"/></a>'.'<a href="create_survey_in_another_language.php?id_survey='.$obj->survey_id.'"><img width="28" src="../img/copy.gif" border="0" align="absmiddle" alt="'.get_lang('CreateInAnotherLanguage').'" title="'.get_lang('CreateInAnotherLanguage').'" /></a>'.'<a href="survey_white.php?surveyid='.$surveyid.'&temp='.$template.'">&nbsp;<img src="../img/visible.gif" border="0" align="absmiddle" alt="'.get_lang('ViewSurvey').'"></a>'.'<a href="../announcements/announcements.php?action=add&publish_survey='.$obj->survey_id.'">&nbsp;<img src="../img/survey_publish.gif" border="0" align="absmiddle" alt="'.get_lang('Publish').'"></a>'.'<a href="reporting.php?action=reporting&surveyid='.$obj->survey_id.'">&nbsp;<img src="../img/surveyreporting.gif" border="0" align="absmiddle" alt="'.get_lang('Reporting').'"></a>';
$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);
$table_header[] = array (' ', false);
echo '<form method="get" action="survey_list.php" name="frm">';
Display :: display_sortable_table($table_header, $surveys, array (), array (), $parameters);
echo '<select name="action">';
echo '<option value="delete_surveys">'.get_lang('DeleteSurvey').'</option>';
echo '</select>';
echo '&nbsp;&nbsp;<input type="submit" value="'.get_lang('Ok').'" onclick="return validate(\'frm\');"/>';
echo '</form>';
}
else
{
if((isset ($_GET['keyword'])) || (isset ($_GET['keyword_title']))){
echo get_lang('NoSearchResults') ;
}
else{
$nosurvey=get_lang('NoSurveyAvailable');
api_display_tool_title($nosurvey);
}
}
}
*/
?>