@ -1,4 +1,5 @@
<?php
$config['survey']['debug'] = false;
/*
DOKEOS - elearning and course management software
@ -37,22 +38,28 @@ class survey_manager
* This function retrieves all the survey information
*
* @param integer $survey_id the id of the survey
* @param boolean $shared this parameter determines if we have to get the information of a survey from the central (shared) database or from the
* course database
*
* @return array
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version Jan uary 2007
* @version Febr uary 2007
*
* @todo move this function to surveymanager.inc.lib.php
* @todo this is the same function as in create_new_survey.php
*/
function get_survey($survey_id)
function get_survey($survey_id,$shared=0 )
{
global $_course;
// table definition
$tbl_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
if ($shared< >0)
{
$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
}
$sql = "SELECT * FROM $tbl_survey WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
$sql = "SELECT * FROM $ta ble _survey WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$return = mysql_fetch_assoc($result);
@ -71,22 +78,25 @@ class survey_manager
}
/**
* This function stores a survey in the database
* This function stores a survey in the database.
*
* @param array $values
* @return array $return the type of return message that has to be displayed and the message in it
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version January 2007
*
* @todo move this function to surveymanager.inc.lib.php
* @version February 2007
*/
function store_survey($values)
{
global $_user;
// table defnitions
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_survey = Database :: get_course_table(TABLE_SURVEY);
if ($values['survey_share']['survey_share'] !== '0')
{
$shared_survey_id = survey_manager::store_shared_survey($values);
}
if (!$values['survey_id'] OR !is_numeric($values['survey_id']))
{
@ -98,7 +108,7 @@ class survey_manager
'".mysql_real_escape_string($values['survey_language'])."',
'".mysql_real_escape_string($values['start_date'])."',
'".mysql_real_escape_string($values['end_date'])."',
'".mysql_real_escape_string($values['survey_share']['survey_share'] )."',
'".mysql_real_escape_string($shared_survey_id )."',
'".mysql_real_escape_string('template')."',
'".mysql_real_escape_string($values['survey_introduction'])."',
'".mysql_real_escape_string($values['survey_thanks'])."',
@ -106,9 +116,11 @@ class survey_manager
$result = api_sql_query($sql, __FILE__, __LINE__);
$survey_id = mysql_insert_id();
$return['message'] = get_lang('SurveyCreatedSuccesfully').'< br / > '.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
$return['message'] .= '< a href = "survey.php?survey_id='.$survey_id.'" > '.get_lang('ClickHere').'< / a > ';
//$return['message'] = get_lang('SurveyCreatedSuccesfully').'< br / > '.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
//$return['message'] .= '< a href = "survey.php?survey_id='.$survey_id.'" > '.get_lang('ClickHere').'< / a > ';
$return['message'] = 'SurveyCreatedSuccesfully';
$return['type'] = 'confirmation';
$return['id'] = $survey_id;
}
else
{
@ -120,19 +132,72 @@ class survey_manager
lang = '".mysql_real_escape_string($values['survey_language'])."',
avail_from = '".mysql_real_escape_string($values['start_date'])."',
avail_till = '".mysql_real_escape_string($values['end_date'])."',
is_shared = '".mysql_real_escape_string($values['survey_share']['survey_share'] )."',
is_shared = '".mysql_real_escape_string($shared_survey_id )."',
template = '".mysql_real_escape_string('template')."',
intro = '".mysql_real_escape_string($values['survey_introduction'])."',
surveythanks = '".mysql_real_escape_string($values['survey_thanks'])."'
WHERE survey_id = '".mysql_real_escape_string($values['survey_id'])."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$return['message'] = get_lang('SurveyUpdatedSuccesfully').'< br / > '.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
$return['message'] .= '< a href = "survey.php?survey_id='.$values['survey_id'].'" > '.get_lang('Here').'< / a > ';
$return['message'] .= get_lang('OrReturnToSurveyOverview').'< a href = "survey_list.php" > '.get_lang('Here').'< / a > ';
//$return['message'] = get_lang('SurveyUpdatedSuccesfully').'< br / > '.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
//$return['message'] .= '< a href = "survey.php?survey_id='.$values['survey_id'].'" > '.get_lang('Here').'< / a > ';
//$return['message'] .= get_lang('OrReturnToSurveyOverview').'< a href = "survey_list.php" > '.get_lang('Here').'< / a > ';
$return['message'] = 'SurveyUpdatedSuccesfully';
$return['type'] = 'confirmation';
$return['id'] = $values['survey_id'];
}
return $return;
}
/**
* This function stores a shared survey in the central database.
*
* @param array $values
* @return array $return the type of return message that has to be displayed and the message in it
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version February 2007
*/
function store_shared_survey($values)
{
global $_user;
global $_course;
// table defnitions
$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY);
if (!$values['survey_id'] OR !is_numeric($values['survey_id']) OR $values['survey_share']['survey_share'] == 'true')
{
$sql = "INSERT INTO $table_survey (code, title, subtitle, author, lang, template, intro, surveythanks, creation_date, course_code) VALUES (
'".mysql_real_escape_string($values['survey_code'])."',
'".mysql_real_escape_string($values['survey_title'])."',
'".mysql_real_escape_string($values['survey_subtitle'])."',
'".mysql_real_escape_string($_user['user_id'])."',
'".mysql_real_escape_string($values['survey_language'])."',
'".mysql_real_escape_string('template')."',
'".mysql_real_escape_string($values['survey_introduction'])."',
'".mysql_real_escape_string($values['survey_thanks'])."',
'".date()."',
'".$_course['id']."')";
$result = api_sql_query($sql, __FILE__, __LINE__);
$return = mysql_insert_id();
}
else
{
$sql = "UPDATE $table_survey SET
code = '".mysql_real_escape_string($values['survey_code'])."',
title = '".mysql_real_escape_string($values['survey_title'])."',
subtitle = '".mysql_real_escape_string($values['survey_subtitle'])."',
author = '".mysql_real_escape_string($_user['user_id'])."',
lang = '".mysql_real_escape_string($values['survey_language'])."',
template = '".mysql_real_escape_string('template')."',
intro = '".mysql_real_escape_string($values['survey_introduction'])."',
surveythanks = '".mysql_real_escape_string($values['survey_thanks'])."'
WHERE survey_id = '".mysql_real_escape_string($values['survey_share']['survey_share'])."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$return = $values['survey_share']['survey_share'];
}
return $return;
}
@ -145,17 +210,21 @@ class survey_manager
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version January 2007
*/
function delete_survey($survey_id)
function delete_survey($survey_id, $shared=false )
{
// Database table definitions
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_survey = Database :: get_course_table(TABLE_SURVEY);
if ($shared)
{
$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY);
}
// deleting the survey
$sql = "DELETE from $table_survey WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
$res = api_sql_query($sql, __FILE__, __LINE__);
// deleting the questions of the survey
survey_manager::delete_all_survey_questions($survey_id);
survey_manager::delete_all_survey_questions($survey_id, $shared );
return true;
}
@ -169,26 +238,91 @@ class survey_manager
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version February 2007
*/
function update_survey_answered($survey_id)
function update_survey_answered($survey_id, $user )
{
global $_course;
// Database table definitions
$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION, $_course['db_name']);
// getting a list with all the people who have filled the survey
$people_filled = survey_manager::get_people_who_filled_survey($survey_id);
$number = count($people_filled);
// storing this value
// storing this value in the survey table
$sql = "UPDATE $table_survey SET answered = '".mysql_real_escape_string($number)."' WHERE survey_id = '".mysql_real_escape_string($survey_id)."'";
$res = api_sql_query($sql, __FILE__, __LINE__);
// storing that the user has finished the survey.
$sql = "UPDATE $table_survey_invitation SET answered='1' WHERE user='".mysql_real_escape_string($user)."'";
$res = api_sql_query($sql, __FILE__, __LINE__);
}
/**
* This function gets a complete structure of a survey (all survey information, all question information
* of all the questions and all the options of all the questions.
*
* @param integer $survey_id the id of the survey
* @param boolean $shared this parameter determines if we have to get the information of a survey from the central (shared) database or from the
* course database
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version February 2007
*/
function get_complete_survey_structure($survey_id, $shared=0)
{
// Database table definitions
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
if ($shared< >0)
{
$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
$table_survey_question = Database :: get_course_table(TABLE_SHARED_SURVEY_QUESTION);
$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
}
$structure = survey_manager::get_survey($survey_id, $shared);
$structure['questions'] = survey_manager::get_questions($survey_id);
}
/******************************************************************************************************
SURVEY QUESTION FUNCTIONS
*****************************************************************************************************/
/**
* This function return the "icon" of the question type
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version February 2007
*/
function icon_question($type)
{
// the possible question types
$possible_types = array('yesno', 'multiplechoice', 'multipleresponse', 'open', 'dropdown', 'comment', 'pagebreak');
// the images array
$icon_question = array(
'yesno' => 'fill_in_blanks.gif',
'multiplechoice' => 'mcua.gif',
'multipleresponse' => 'mcma.gif',
'open' => 'open_answer.gif',
'dropdown' => 'fill_in_blanks.gif',
'comment' => 'fill_in_blanks.gif',
'pagebreak' => 'fill_in_blanks.gif');
if (in_array($type, $possible_types))
{
return $icon_question[$type];
}
else
{
return false;
}
}
/**
* This function retrieves all the information of a question
@ -201,21 +335,27 @@ class survey_manager
*
* @todo one sql call should do the trick
*/
function get_question($question_id)
function get_question($question_id, $shared=false )
{
// table definitions
$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
if ($shared)
{
$tbl_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
}
// getting the information of the question
$sql = "SELECT * FROM $tbl_survey_question WHERE question_id='".mysql_real_escape_string($question_id)."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$row = mysql_fetch_assoc($result);
$return['survey_id'] = $row['survey_id'];
$return['question_id'] = $row['question_id'];
$return['type'] = $row['type'];
$return['question'] = $row['survey_question'];
$return['survey_id'] = $row['survey_id'];
$return['question_id'] = $row['question_id'];
$return['type'] = $row['type'];
$return['question'] = $row['survey_question'];
$return['horizontalvertical'] = $row['display'];
$return['shared_question_id'] = $row['shared_question_id'];
// getting the information of the question options
$sql = "SELECT * FROM $table_survey_question_option WHERE question_id='".mysql_real_escape_string($question_id)."'";
@ -261,7 +401,7 @@ class survey_manager
}
// getting the information of the question options
$sql = "SELECT * FROM $table_survey_question_option WHERE question_id='".mysql_real_escape_string($question _id)."'";
$sql = "SELECT * FROM $table_survey_question_option WHERE survey_id='".mysql_real_escape_string($survey _id)."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
while ($row = mysql_fetch_assoc($result))
{
@ -274,17 +414,10 @@ class survey_manager
* This function saves a question in the database.
* This can be either an update of an existing survey or storing a new survey
*
* @param integer $question_id the id of the question (used to determine weither it is a update or an insert)
* @param integer $survey_id the id of the survey
* @param string $question_title the question itself
* @param string $question_comment the comment of the question (not yet in use)
* @param string $question_display how the options of the questions should be displayed
* @param array $form_content all the information of the form
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version January 2007
*
* @todo move to surveymanager.lib.php
* @todo return message, type and id (and display the information)
*/
function save_question($form_content)
{
@ -294,6 +427,16 @@ class survey_manager
$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION, $_course['db_name']);
// getting all the information of the survey
$survey_data = survey_manager::get_survey($form_content['survey_id']);
// storing the question in the shared database
if (is_numeric($survey_data['survey_share']) AND $survey_data['survey_share'] < > 0)
{
$shared_question_id = survey_manager::save_shared_question($form_content, $survey_data);
$form_content['shared_question_id'] = $shared_question_id;
}
// storing a new question
if ($form_content['question_id'] == '' OR !is_numeric($form_content['question_id']))
{
@ -304,17 +447,18 @@ class survey_manager
$max_sort = $row['max_sort'];
// adding the question to the survey_question table
$sql = "INSERT INTO $tbl_survey_question (survey_id,survey_question,survey_question_comment,type,display, sort) VALUES (
$sql = "INSERT INTO $tbl_survey_question (survey_id,survey_question,survey_question_comment,type,display, sort, shared_question_id ) VALUES (
'".mysql_real_escape_string($form_content['survey_id'])."',
'".mysql_real_escape_string($form_content['question'])."',
'".mysql_real_escape_string($form_content['question_comment'])."',
'".mysql_real_escape_string($form_content['type'])."',
'".mysql_real_escape_string($form_content['horizontalvertical'])."',
'".mysql_real_escape_string($max_sort+1)."')";
'".mysql_real_escape_string($max_sort+1)."',
'".mysql_real_escape_string($form_content['shared_question_id'])."')";
$result = api_sql_query($sql, __FILE__, __LINE__);
$question_id = mysql_insert_id();
$form_content['question_id'] = $question_id;
$return_message = get_lang( 'QuestionAdded') ;
$return_message = 'QuestionAdded';
}
// updating an existing question
else
@ -326,14 +470,71 @@ class survey_manager
display = '".mysql_real_escape_string($form_content['horizontalvertical'])."'
WHERE question_id = '".mysql_real_escape_string($form_content['question_id'])."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$return_message = get_lang( 'QuestionUpdated') ;
$return_message = 'QuestionUpdated';
}
// storing the options of the question
survey_manager::save_question_options($form_content);
survey_manager::save_question_options($form_content, $survey_data );
return $return_message;
}
/**
* This function saves the question in the shared database
*
* @param array $form_content all the information of the form
* @param array $survey_data all the information of the survey
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version February 2007
*
* @todo editing of a shared question
*/
function save_shared_question($form_content, $survey_data)
{
global $_course;
// table definitions
$tbl_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
// storing a new question
if ($form_content['shared_question_id'] == '' OR !is_numeric($form_content['shared_question_id']))
{
// finding the max sort order of the questions in the given survey
$sql = "SELECT max(sort) AS max_sort FROM $tbl_survey_question
WHERE survey_id='".mysql_real_escape_string($survey_data['survey_share'])."'
AND code='".mysql_real_escape_string($_course['id'])."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$row = mysql_fetch_assoc($result);
$max_sort = $row['max_sort'];
// adding the question to the survey_question table
$sql = "INSERT INTO $tbl_survey_question (survey_id, survey_question, survey_question_comment, type, display, sort, code) VALUES (
'".mysql_real_escape_string($survey_data['survey_share'])."',
'".mysql_real_escape_string($form_content['question'])."',
'".mysql_real_escape_string($form_content['question_comment'])."',
'".mysql_real_escape_string($form_content['type'])."',
'".mysql_real_escape_string($form_content['horizontalvertical'])."',
'".mysql_real_escape_string($max_sort+1)."',
'".mysql_real_escape_string($_course['id'])."')";
$result = api_sql_query($sql, __FILE__, __LINE__);
$shared_question_id = mysql_insert_id();
}
// updating an existing question
else
{
// adding the question to the survey_question table
$sql = "UPDATE $tbl_survey_question SET
survey_question = '".mysql_real_escape_string($form_content['question'])."',
survey_question_comment = '".mysql_real_escape_string($form_content['question_comment'])."',
display = '".mysql_real_escape_string($form_content['horizontalvertical'])."'
WHERE question_id = '".mysql_real_escape_string($form_content['shared_question_id'])."'
AND code='".mysql_real_escape_string($_course['id'])."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$shared_question_id = $form_content['shared_question_id'];
}
return $shared_question_id;
}
/**
* This functions moves a question of a survey up or down
*
@ -394,23 +595,83 @@ class survey_manager
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version January 2007
*/
function delete_all_survey_questions($survey_id)
function delete_all_survey_questions($survey_id, $shared=false )
{
// table definitions
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
if ($shared)
{
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
}
// deleting the survey questions
$sql = "DELETE from $table_survey_question WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
$res = api_sql_query($sql, __FILE__, __LINE__);
// deleting all the options of the questions of the survey
survey_manager::delete_all_survey_questions_options($survey_id);
survey_manager::delete_all_survey_questions_options($survey_id, $shared );
// deleting all the answers on this survey
survey_manager::delete_all_survey_answers($survey_id);
}
/**
* This function deletes a survey question and all its options
*
* @param integer $survey_id the id of the survey
* @param integer $question_id the id of the question
* @param integer $shared
*
* @todo also delete the answers to this question
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version March 2007
*/
function delete_survey_question($survey_id, $question_id, $shared=false)
{
// table definitions
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
if ($shared)
{
survey_manager::delete_shared_survey_question($survey_id, $question_id);
}
// deleting the survey questions
$sql = "DELETE from $table_survey_question WHERE survey_id='".mysql_real_escape_string($survey_id)."' AND question_id='".mysql_real_escape_string($question_id)."'";
$res = api_sql_query($sql, __FILE__, __LINE__);
// deleting the options of the question of the survey
survey_manager::delete_survey_question_option($survey_id, $question_id, $shared);
}
/**
* This function deletes a shared survey question from the main database and all its options
*
* @param integer $question_id the id of the question
* @param integer $shared
*
* @todo delete all the options of this question
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version March 2007
*/
function delete_shared_survey_question($survey_id, $question_id)
{
// table definitions
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
// first we have to get the shared_question_id
$question_data = survey_manager::get_question($question_id);
// deleting the survey questions
$sql = "DELETE FROM $table_survey_question WHERE question_id='".mysql_real_escape_string($question_data['shared_question_id'])."'";
$res = api_sql_query($sql, __FILE__, __LINE__);
// deleting the options of the question of the survey
// survey_manager::delete_shared_survey_question_option($survey_id, $question_id, $shared);
}
/******************************************************************************************************
SURVEY QUESTION OPTIONS FUNCTIONS
*****************************************************************************************************/
@ -426,8 +687,13 @@ class survey_manager
*
* @todo writing the update statement when editing a question
*/
function save_question_options($form_content)
function save_question_options($form_content, $survey_data )
{
if (is_numeric($survey_data['survey_share']) AND $survey_data['survey_share'] < > 0)
{
survey_manager::save_shared_question_options($form_content, $survey_data);
}
// table defintion
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
@ -451,6 +717,46 @@ class survey_manager
}
}
/**
* This function stores the options of the questions in the shared table
*
* @param array $form_content
* @return
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version February 2007
*
* @todo writing the update statement when editing a question
*/
function save_shared_question_options($form_content, $survey_data)
{
// table defintion
$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
// we are editing a question so we first have to remove all the existing options from the database
$sql = "DELETE FROM $table_survey_question_option WHERE question_id = '".mysql_real_escape_string($form_content['shared_question_id'])."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$counter = 1;
foreach ($form_content['answers'] as $key=>$answer)
{
$sql = "INSERT INTO $table_survey_question_option (question_id, survey_id, option_text, sort) VALUES (
'".mysql_real_escape_string($form_content['shared_question_id'])."',
'".mysql_real_escape_string($survey_data['is_shared'])."',
'".mysql_real_escape_string($answer)."',
'".mysql_real_escape_string($counter)."')";
$result = api_sql_query($sql, __FILE__, __LINE__);
$counter++;
}
}
/*
if (is_numeric($survey_data['survey_share']) AND $survey_data['survey_share'] < > 0)
{
$form_content = survey_manager::save_shared_question($form_content, $survey_data);
}
*/
/**
* This function deletes all the options of the questions of a given survey
@ -462,10 +768,14 @@ class survey_manager
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version January 2007
*/
function delete_all_survey_questions_options($survey_id)
function delete_all_survey_questions_options($survey_id, $shared=false )
{
// table definitions
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
if ($shared)
{
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
}
// deleting the options of the survey questions
$sql = "DELETE from $table_survey_question_option WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
@ -474,6 +784,33 @@ class survey_manager
}
/**
* This function deletes the options of a given question
*
* @param unknown_type $survey_id
* @param unknown_type $question_id
* @param unknown_type $shared
* @return unknown
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version March 2007
*/
function delete_survey_question_option($survey_id, $question_id, $shared=false)
{
// table definitions
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
if ($shared)
{
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
}
// deleting the options of the survey questions
$sql = "DELETE from $table_survey_question_option WHERE survey_id='".mysql_real_escape_string($survey_id)."' AND question_id='".mysql_real_escape_string($question_id)."'";
$res = api_sql_query($sql, __FILE__, __LINE__);
return true;
}
/******************************************************************************************************
SURVEY ANSWERS FUNCTIONS
@ -486,6 +823,8 @@ class survey_manager
* @param $survey_id the id of the survey that has to be deleted
* @return true
*
* @todo write the function
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @version January 2007
*/
@ -556,18 +895,23 @@ class question
*/
function create_form($form_content)
{
global $fck_attribute;
$this->html = '< form id = "question_form" name = "question_form" method = "post" action = "'.$_SERVER['PHP_SELF'].'?action='.$_GET['action'].'&type='.$_GET['type'].'&survey_id='.$_GET['survey_id'].'&question_id='.$_GET['question_id'].'" > ';
$this->html .= ' < input type = "hidden" name = "survey_id" id = "survey_id" value = "'.$_GET['survey_id'].'" / > ';
$this->html .= ' < input type = "hidden" name = "question_id" id = "question_id" value = "'.$_GET['question_id'].'" / > ';
$this->html .= ' < input type = "hidden" name = "shared_question_id" id = "shared_question_id" value = "'.$form_content['shared_question_id'].'" / > ';
$this->html .= ' < input type = "hidden" name = "type" id = "type" value = "'.$_GET['type'].'" / > ';
$this->html .= '< table > ';
$this->html .= ' < tr > ';
$this->html .= ' < td colspan = "3" > < strong > '.get_lang('Question').'< / strong > < / td > ';
$this->html .= ' < / tr > ';
$this->html .= ' < tr > ';
$this->html .= ' < td > < label for = "question" > '.get_lang('Question').'< / label > < / td > ';
$this->html .= ' < td > < input type = "text" name = "question" id = "question" value = "'.$form_content['question'].'" / > < / td > ';
$this->html .= ' < td > < / td > ';
//$this->html .= ' < td > < label for = "question" > '.get_lang('Question').'< / label > < / td > ';
$fck_attribute['Width'] = '100%';
$fck_attribute['Height'] = '100';
$fck_attribute['ToolbarSet'] = 'Survey';
//$this->html .= ' < td > < input type = "text" name = "question" id = "question" value = "'.$form_content['question'].'" / > < / td > ';
$this->html .= ' < td colspan = "3" width = "500" > '.api_return_html_area('question', $form_content['question']).'< / td > ';
$this->html .= ' < / tr > ';
/*
$this->html .= ' < tr > ';
@ -576,6 +920,10 @@ class question
$this->html .= ' < td > < / td > ';
$this->html .= ' < / tr > ';
*/
$this->html .=' < tr >
< td colspan = "" > & nbsp< / td >
< / tr > ';
return $this->html;
}
@ -609,6 +957,8 @@ class question
*/
function handle_action($form_content)
{
global $config;
// moving an answer up
if ($_POST['move_up'])
{
@ -654,7 +1004,15 @@ class question
if ($_POST['save_question'])
{
$message = survey_manager::save_question($form_content);
Display :: display_confirmation_message($message.'< br / > '.get_lang('ReturnTo').' < a href = "survey.php?survey_id='.$_GET['survey_id'].'" > '.get_lang('Survey').'< / a > ',false);
if ($config['survey']['debug'])
{
Display :: display_header();
Display :: display_confirmation_message($message.'< br / > '.get_lang('ReturnTo').' < a href = "survey.php?survey_id='.$_GET['survey_id'].'" > '.get_lang('Survey').'< / a > ', false);
}
else
{
header('location:survey.php?survey_id='.$_GET['survey_id'].'&message='.$message);
}
}
/**
@ -754,18 +1112,24 @@ class yesno extends question
$this->html .= ' < / td > ';
$this->html .= ' < td > < / td > ';
$this->html .= ' < / tr > ';
// The answers
$this->html .=' < tr >
< td colspan = "" > & nbsp< / td >
< / tr > ';
// The options
$this->html .= ' < tr > ';
$this->html .= ' < td colspan = "3" > < strong > '.get_lang('AnswerOptions').'< / strong > < / td > ';
$this->html .= ' < / tr > ';
$this->html .= ' < tr > ';
$this->html .= ' < td align = "right" > < label for = "answers[0]" > 1< / label > < / td > ';
$this->html .= ' < td > < input type = "text" name = "answers[0]" id = "answers[0]" value = "'.$form_content['answers'][0].'" / > < / td > ';
//$this->html .= ' < td > < input type = "text" name = "answers[0]" id = "answers[0]" value = "'.$form_content['answers'][0].'" / > < / td > ';
$this->html .= ' < td > '.api_return_html_area('answers[0]', $form_content['answers'][0]).'< / td > ';
$this->html .= ' < td > < input type = "image" src = "../img/down.gif" value = "move_down[0]" name = "move_down[0]" / > < / td > ';
$this->html .= ' < / tr > ';
$this->html .= ' < tr > ';
$this->html .= ' < td align = "right" > < label for = "answers[1]" > 2< / label > < / td > ';
$this->html .= ' < td > < input type = "text" name = "answers[1]" id = "answers[1]" value = "'.$form_content['answers'][1].'" / > < / td > ';
//$this->html .= ' < td > < input type = "text" name = "answers[1]" id = "answers[1]" value = "'.$form_content['answers'][1].'" / > < / td > ';
$this->html .= ' < td > '.api_return_html_area('answers[1]', $form_content['answers'][1]).'< / td > ';
$this->html .= ' < td > < input type = "image" src = "../img/up.gif" value = "move_up[1]" name = "move_up[1]" / > < / td > ';
$this->html .= ' < / tr > ';
}
@ -798,6 +1162,7 @@ class yesno extends question
echo '< div class = "survey_question_options" > ';
echo $this->html;
echo '< / div > ';
echo '< / div > ';
}
}
@ -834,7 +1199,11 @@ class multiplechoice extends question
$this->html .= ' />'.get_lang('Vertical').'< / label > '; $this->html .= ' < / td > ';
$this->html .= ' < td > < / td > ';
$this->html .= ' < / tr > ';
// The answers
$this->html .=' < tr >
< td colspan = "" > & nbsp< / td >
< / tr > ';
// The Options
$this->html .= ' < tr > ';
$this->html .= ' < td colspan = "3" > < strong > '.get_lang('AnswerOptions').'< / strong > < / td > ';
$this->html .= ' < / tr > ';
@ -843,16 +1212,25 @@ class multiplechoice extends question
{
$this->html .= ' < tr > ';
$this->html .= ' < td align = "right" > < label for = "answers['.$key.']" > '.($key+1).'< / label > < / td > ';
$this->html .= ' < td > < input type = "text" name = "answers['.$key.']" id = "answers['.$key.']" value = "'.$form_content['answers'][$key].'" / > < / td > ';
//$this->html .= ' < td > < input type = "text" name = "answers['.$key.']" id = "answers['.$key.']" value = "'.$form_content['answers'][$key].'" / > < / td > ';
$this->html .= ' < td width = "500" > '.api_return_html_area('answers['.$key.']', $form_content['answers'][$key]).'< / td > ';
$this->html .= ' < td > ';
if ($key< $total_number_of_answers-1)
{
$this->html .= ' < input type = "image" src = "../img/down.gif" value = "move_down['.$key.']" name = "move_down['.$key.']" / > ';
}
else
{
$this->html .= ' < img src = "../img/spacer.gif" alt = "'.get_lang('Empty').'" title = "'.get_lang('Empty').'" / > ';
}
if ($key>0)
{
$this->html .= ' < input type = "image" src = "../img/up.gif" value = "move_up['.$key.']" name = "move_up['.$key.']" / > ';
}
else
{
$this->html .= ' < img src = "../img/spacer.gif" alt = "'.get_lang('Empty').'" title = "'.get_lang('Empty').'" / > ';
}
if ($total_number_of_answers> 2)
{
$this->html .= ' < input type = "image" src = "../img/delete.gif" value = "delete_answer['.$key.']" name = "delete_answer['.$key.']" / > ';
@ -915,7 +1293,12 @@ class multipleresponse extends question
$this->html .= ' />'.get_lang('Vertical').'< / label > '; $this->html .= ' < / td > ';
$this->html .= ' < td > < / td > ';
$this->html .= ' < / tr > ';
// The answers
$this->html .=' < tr >
< td colspan = "" > & nbsp< / td >
< / tr > ';
// The options
$this->html .= ' < tr > ';
$this->html .= ' < td colspan = "3" > < strong > '.get_lang('AnswerOptions').'< / strong > < / td > ';
$this->html .= ' < / tr > ';
@ -924,16 +1307,25 @@ class multipleresponse extends question
{
$this->html .= ' < tr > ';
$this->html .= ' < td align = "right" > < label for = "answers['.$key.']" > '.($key+1).'< / label > < / td > ';
$this->html .= ' < td > < input type = "text" name = "answers['.$key.']" id = "answers['.$key.']" value = "'.$form_content['answers'][$key].'" / > < / td > ';
//$this->html .= ' < td > < input type = "text" name = "answers['.$key.']" id = "answers['.$key.']" value = "'.$form_content['answers'][$key].'" / > < / td > ';
$this->html .= ' < td width = "500" > '.api_return_html_area('answers['.$key.']', $form_content['answers'][$key]).'< / td > ';
$this->html .= ' < td > ';
if ($key< $total_number_of_answers-1)
{
$this->html .= ' < input type = "image" src = "../img/down.gif" value = "move_down['.$key.']" name = "move_down['.$key.']" / > ';
}
else
{
$this->html .= ' < img src = "../img/spacer.gif" alt = "'.get_lang('Empty').'" title = "'.get_lang('Empty').'" / > ';
}
if ($key>0)
{
$this->html .= ' < input type = "image" src = "../img/up.gif" value = "move_up['.$key.']" name = "move_up['.$key.']" / > ';
}
else
{
$this->html .= ' < img src = "../img/spacer.gif" alt = "'.get_lang('Empty').'" title = "'.get_lang('Empty').'" / > ';
}
if ($total_number_of_answers> 2)
{
$this->html .= ' < input type = "image" src = "../img/delete.gif" value = "delete_answer['.$key.']" name = "delete_answer['.$key.']" / > ';
@ -955,7 +1347,6 @@ class multipleresponse extends question
*/
function render_question($form_content, $answers=array())
{
//print_r($form_content);
foreach ($form_content['options'] as $key=>$value)
{
$this->html .= '< label > < input name = "question'.$form_content['question_id'].'[]" type = "checkbox" value = "'.$key.'" ' ;
@ -1118,6 +1509,8 @@ class comment extends question
{
echo '< div class = "survey_question_wrapper" > ';
echo '< div class = "survey_question" > '.$form_content['survey_question'].'< / div > ';
echo '< / div > ';
echo "\n";
}
}
Patrick Cool
18 years ago