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1033 lines
35 KiB
1033 lines
35 KiB
<?php
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/*
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DOKEOS - elearning and course management software
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For a full list of contributors, see documentation/credits.html
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See "documentation/licence.html" more details.
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Contact:
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Dokeos
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Rue des Palais 44 Paleizenstraat
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B-1030 Brussels - Belgium
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Tel. +32 (2) 211 34 56
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*/
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/**
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* @package dokeos.survey
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts (if not all) of the code
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* @version $Id: survey.lib.php 10680 2007-01-11 21:26:23Z pcool $
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*
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* @todo move this file to inc/lib
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* @todo use consistent naming for the functions (save vs store for instance)
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*/
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class survey_manager
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{
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/******************************************************************************************************
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SURVEY FUNCTIONS
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*****************************************************************************************************/
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/**
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* This function retrieves all the survey information
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*
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* @param integer $survey_id the id of the survey
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* @return array
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo move this function to surveymanager.inc.lib.php
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* @todo this is the same function as in create_new_survey.php
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*/
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function get_survey($survey_id)
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{
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global $_course;
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// table definition
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$tbl_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
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$sql = "SELECT * FROM $tbl_survey WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return = mysql_fetch_assoc($result);
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// we do this (temporarily) to have the array match the quickform elements immediately
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// idealiter the fields in the db match the quickform fields
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$return['survey_code'] = $return['code'];
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$return['survey_title'] = $return['title'];
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$return['survey_subtitle'] = $return['subtitle'];
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$return['survey_language'] = $return['lang'];
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$return['start_date'] = $return['avail_from'];
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$return['end_date'] = $return['avail_till'];
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$return['survey_share'] = $return['is_shared'];
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$return['survey_introduction'] = $return['intro'];
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$return['survey_thanks'] = $return['surveythanks'];
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return $return;
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}
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/**
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* This function stores a survey in the database
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*
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* @param array $values
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* @return array $return the type of return message that has to be displayed and the message in it
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo move this function to surveymanager.inc.lib.php
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*/
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function store_survey($values)
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{
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global $_user;
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// table defnitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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if (!$values['survey_id'] OR !is_numeric($values['survey_id']))
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{
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$sql = "INSERT INTO $table_survey (code, title, subtitle, author, lang, avail_from, avail_till, is_shared, template, intro, surveythanks, creation_date) VALUES (
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'".mysql_real_escape_string($values['survey_code'])."',
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'".mysql_real_escape_string($values['survey_title'])."',
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'".mysql_real_escape_string($values['survey_subtitle'])."',
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'".mysql_real_escape_string($_user['user_id'])."',
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'".mysql_real_escape_string($values['survey_language'])."',
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'".mysql_real_escape_string($values['start_date'])."',
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'".mysql_real_escape_string($values['end_date'])."',
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'".mysql_real_escape_string($values['survey_share']['survey_share'])."',
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'".mysql_real_escape_string('template')."',
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'".mysql_real_escape_string($values['survey_introduction'])."',
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'".mysql_real_escape_string($values['survey_thanks'])."',
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'".date()."')";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$survey_id = mysql_insert_id();
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$return['message'] = get_lang('SurveyCreatedSuccesfully').'<br />'.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
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$return['message'] .= '<a href="survey.php?survey_id='.$survey_id.'">'.get_lang('ClickHere').'</a>';
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$return['type'] = 'confirmation';
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}
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else
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{
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$sql = "UPDATE $table_survey SET
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code = '".mysql_real_escape_string($values['survey_code'])."',
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title = '".mysql_real_escape_string($values['survey_title'])."',
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subtitle = '".mysql_real_escape_string($values['survey_subtitle'])."',
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author = '".mysql_real_escape_string($_user['user_id'])."',
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lang = '".mysql_real_escape_string($values['survey_language'])."',
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avail_from = '".mysql_real_escape_string($values['start_date'])."',
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avail_till = '".mysql_real_escape_string($values['end_date'])."',
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is_shared = '".mysql_real_escape_string($values['survey_share']['survey_share'])."',
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template = '".mysql_real_escape_string('template')."',
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intro = '".mysql_real_escape_string($values['survey_introduction'])."',
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surveythanks = '".mysql_real_escape_string($values['survey_thanks'])."'
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WHERE survey_id = '".mysql_real_escape_string($values['survey_id'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return['message'] = get_lang('SurveyUpdatedSuccesfully').'<br />'.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
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$return['message'] .= '<a href="survey.php?survey_id='.$values['survey_id'].'">'.get_lang('Here').'</a>';
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$return['message'] .= get_lang('OrReturnToSurveyOverview').'<a href="survey_list.php">'.get_lang('Here').'</a>';
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$return['type'] = 'confirmation';
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}
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return $return;
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}
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/**
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* This function deletes a survey (and also all the question in that survey
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*
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* @param $survey_id the id of the survey that has to be deleted
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* @return true
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function delete_survey($survey_id)
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{
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// table definitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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// deleting the survey
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$sql = "DELETE from $table_survey WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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// deleting the questions of the survey
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survey_manager::delete_all_survey_questions($survey_id);
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return true;
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}
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/******************************************************************************************************
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SURVEY QUESTION FUNCTIONS
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*****************************************************************************************************/
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/**
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* This function retrieves all the information of a question
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*
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* @param integer $question_id the id of the question
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* @return array
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo write the function
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* @todo move to surveymanager.lib.php
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* @todo use table constants
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*/
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function get_question($question_id)
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{
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// table definitions
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$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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// getting the information of the question
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$sql = "SELECT * FROM $tbl_survey_question WHERE question_id='".mysql_real_escape_string($question_id)."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$row = mysql_fetch_assoc($result);
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$return['survey_id'] = $row['survey_id'];
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$return['question_id'] = $row['question_id'];
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$return['type'] = $row['type'];
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$return['question'] = $row['survey_question'];
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$return['horizontalvertical'] = $row['display'];
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// getting the information of the question options
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$sql = "SELECT * FROM $table_survey_question_option WHERE question_id='".mysql_real_escape_string($question_id)."'";
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echo $sql;
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$result = api_sql_query($sql, __FILE__, __LINE__);
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while ($row = mysql_fetch_assoc($result))
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{
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$return['answers'][] = $row['option_text'];
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}
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return $return;
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}
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/**
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* This function saves a question in the database.
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* This can be either an update of an existing survey or storing a new survey
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*
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* @param integer $question_id the id of the question (used to determine weither it is a update or an insert)
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* @param integer $survey_id the id of the survey
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* @param string $question_title the question itself
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* @param string $question_comment the comment of the question (not yet in use)
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* @param string $question_display how the options of the questions should be displayed
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo move to surveymanager.lib.php
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* @todo return message, type and id (and display the information)
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*/
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function save_question($form_content)
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{
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global $_course;
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// table definitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
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$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION, $_course['db_name']);
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// storing a new question
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if ($form_content['question_id'] == '' OR !is_numeric($form_content['question_id']))
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{
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// finding the max sort order of the questions in the given survey
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$sql = "SELECT max(sort) AS max_sort FROM $tbl_survey_question WHERE survey_id='".mysql_real_escape_string($form_content['survey_id'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$row = mysql_fetch_assoc($result);
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$max_sort = $row['max_sort'];
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// adding the question to the survey_question table
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$sql = "INSERT INTO $tbl_survey_question (survey_id,survey_question,survey_question_comment,type,display, sort) VALUES (
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'".mysql_real_escape_string($form_content['survey_id'])."',
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'".mysql_real_escape_string($form_content['question'])."',
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'".mysql_real_escape_string($form_content['question_comment'])."',
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'".mysql_real_escape_string($form_content['type'])."',
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'".mysql_real_escape_string($form_content['horizontalvertical'])."',
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'".mysql_real_escape_string($max_sort+1)."')";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$question_id = mysql_insert_id();
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$form_content['question_id'] = $question_id;
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$return_message = get_lang('QuestionAdded');
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}
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// updating an existing question
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else
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{
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// adding the question to the survey_question table
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$sql = "UPDATE $tbl_survey_question SET
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survey_question = '".mysql_real_escape_string($form_content['question'])."',
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survey_question_comment = '".mysql_real_escape_string($form_content['question_comment'])."',
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display = '".mysql_real_escape_string($form_content['horizontalvertical'])."'
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WHERE question_id = '".mysql_real_escape_string($form_content['question_id'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return_message = get_lang('QuestionUpdated');
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}
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// storing the options of the question
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survey_manager::save_question_options($form_content);
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return $return_message;
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}
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/**
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* This functions moves a question of a survey up or down
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*
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* @param unknown_type $direction
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* @param unknown_type $survey_question_id
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* @param unknown_type $survey_id
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*/
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function move_survey_question($direction, $survey_question_id, $survey_id)
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{
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// table definition
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$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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if ($direction == 'moveup')
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{
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$sort = 'DESC';
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}
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if ($direction == 'movedown')
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{
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$sort = 'ASC';
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}
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// finding the two questions that needs to be swapped
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$sql = "SELECT * FROM $table_survey_question WHERE survey_id='".mysql_real_escape_string($survey_id)."' ORDER BY sort $sort";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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while ($row = mysql_fetch_assoc($result))
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{
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if ($found == true)
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{
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$question_id_two = $row['question_id'];
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$question_sort_two = $row['sort'];
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$found = false;
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}
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if ($row['question_id'] == $survey_question_id)
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{
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$found = true;
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$question_id_one = $row['question_id'];
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$question_sort_one = $row['sort'];
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}
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}
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$sql1 = "UPDATE $table_survey_question SET sort = '".mysql_real_escape_string($question_sort_two)."' WHERE question_id='".mysql_real_escape_string($question_id_one)."'";
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$result = api_sql_query($sql1, __FILE__, __LINE__);
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$sql2 = "UPDATE $table_survey_question SET sort = '".mysql_real_escape_string($question_sort_one)."' WHERE question_id='".mysql_real_escape_string($question_id_two)."'";
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$result = api_sql_query($sql2, __FILE__, __LINE__);
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}
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/**
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* This function deletes all the questions of a given survey
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* This function is normally only called when a survey is deleted
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*
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* @param $survey_id the id of the survey that has to be deleted
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* @return true
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function delete_all_survey_questions($survey_id)
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{
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// table definitions
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$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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// deleting the survey questions
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$sql = "DELETE from $table_survey_question WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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// deleting all the options of the questions of the survey
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survey_manager::delete_all_survey_questions_options($survey_id);
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// deleting all the answers on this survey
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survey_manager::delete_all_survey_answers($survey_id);
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}
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/******************************************************************************************************
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SURVEY QUESTION OPTIONS FUNCTIONS
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*****************************************************************************************************/
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/**
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* This function stores the options of the questions in the table
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*
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* @param unknown_type $form_content
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* @return
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo writing the update statement when editing a question
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*/
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function save_question_options($form_content)
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{
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// table defintion
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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// we are editing a question so we first have to remove all the existing options from the database
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if (is_numeric($form_content['question_id']))
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{
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$sql = "DELETE FROM $table_survey_question_option WHERE question_id = '".mysql_real_escape_string($form_content['question_id'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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}
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$counter = 1;
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foreach ($form_content['answers'] as $key=>$answer)
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{
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$sql = "INSERT INTO $table_survey_question_option (question_id, survey_id, option_text, sort) VALUES (
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'".mysql_real_escape_string($form_content['question_id'])."',
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'".mysql_real_escape_string($form_content['survey_id'])."',
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'".mysql_real_escape_string($answer)."',
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'".mysql_real_escape_string($counter)."')";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$counter++;
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}
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}
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/**
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* This function deletes all the options of the questions of a given survey
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* This function is normally only called when a survey is deleted
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*
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* @param $survey_id the id of the survey that has to be deleted
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* @return true
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function delete_all_survey_questions_options($survey_id)
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{
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// table definitions
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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// deleting the options of the survey questions
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$sql = "DELETE from $table_survey_question_option WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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return true;
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}
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/******************************************************************************************************
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SURVEY ANSWERS FUNCTIONS
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*****************************************************************************************************/
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/**
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* This function deletes all the answers anyone has given on this survey
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* This function is normally only called when a survey is deleted
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*
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* @param $survey_id the id of the survey that has to be deleted
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* @return true
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function delete_all_survey_answers($survey_id)
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{
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return true;
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}
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}
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class question
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{
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// the html code of the form
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var $html;
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/**
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* This function does the generic part of any survey question: the question field
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*
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* @return unknown
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*/
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/**
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* This function does the generic part of any survey question: the question field
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo the form_text has to become a wysiwyg editor or adding a question_comment field
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* @todo consider adding a question_comment form element
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*/
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function create_form($form_content)
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{
|
|
$this->html = '<form id="question_form" name="question_form" method="post" action="'.$_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'].'"/>';
|
|
$this->html .= ' <input type="hidden" name="type" id="type" value="'.$_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 .= ' </tr>';
|
|
/*
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td><label for="question_comment">'.get_lang('QuestionComment').'</label></td>';
|
|
$this->html .= ' <td><input type="text" name="question_comment" id="question_comment" value="'.$form_content['question_comment'].'"/></td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
*/
|
|
return $this->html;
|
|
}
|
|
|
|
/**
|
|
* This functions displays the form after the html variable has correctly been finished
|
|
* (adding a submit button, closing the table and closing the form)
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*
|
|
*/
|
|
function render_form()
|
|
{
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' <td> <input type="submit" name="save_question" value="'.get_lang('SaveQuestion').'" /></td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= '</table>';
|
|
$this->html .= '</form>';
|
|
echo $this->html;
|
|
}
|
|
|
|
/**
|
|
* This function handles the actions on a question and its answers
|
|
*
|
|
* @todo consider using $form_content instead of $_POST
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function handle_action($form_content)
|
|
{
|
|
// moving an answer up
|
|
if ($_POST['move_up'])
|
|
{
|
|
foreach ($_POST['move_up'] as $key=>$value)
|
|
{
|
|
$id1 = $key;
|
|
$content1 = $form_content['answers'][$id1];
|
|
$id2 = $key-1;
|
|
$content2 = $form_content['answers'][$id2];
|
|
$form_content['answers'][$id1] = $content2;
|
|
$form_content['answers'][$id2] = $content1;
|
|
}
|
|
}
|
|
|
|
// moving an answer down
|
|
if ($_POST['move_down'])
|
|
{
|
|
foreach ($_POST['move_down'] as $key=>$value)
|
|
{
|
|
$id1 = $key;
|
|
$content1 = $form_content['answers'][$id1];
|
|
$id2 = $key+1;
|
|
$content2 = $form_content['answers'][$id2];
|
|
$form_content['answers'][$id1] = $content2;
|
|
$form_content['answers'][$id2] = $content1;
|
|
}
|
|
}
|
|
|
|
// adding an answer
|
|
if ($_POST['add_answer'])
|
|
{
|
|
$form_content['answers'][]='';
|
|
}
|
|
|
|
// removing an answer
|
|
if ($_POST['remove_answer'])
|
|
{
|
|
$max_answer = count($form_content['answers']);
|
|
unset($form_content['answers'][$max_answer-1]);
|
|
}
|
|
|
|
// saving a 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>');
|
|
}
|
|
|
|
/**
|
|
* This solution is a little bit strange but I could not find a different solution.
|
|
*/
|
|
if ($_POST['delete_answer'])
|
|
{
|
|
foreach ($_POST['delete_answer'] as $key=>$value)
|
|
{
|
|
unset($form_content['answers'][$key]);
|
|
$deleted = $key;
|
|
}
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
if ($key>$deleted)
|
|
{
|
|
$form_content['answers'][$key-1] = $form_content['answers'][$key];
|
|
unset($form_content['answers'][$key]);
|
|
}
|
|
}
|
|
}
|
|
return $form_content;
|
|
}
|
|
|
|
/**
|
|
* This functions adds two buttons. One to add an option, one to remove an option
|
|
*
|
|
* @param unknown_type $form_content
|
|
* @return html code
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function add_remove_buttons($form_content)
|
|
{
|
|
if (count($form_content['answers'])<=2)
|
|
{
|
|
$remove_answer_attribute = 'disabled="disabled"';
|
|
}
|
|
|
|
$return .= ' <tr>';
|
|
$return .= ' <td align="right"> </td>';
|
|
$return .= ' <td colspan="2">';
|
|
$return .= ' <input type="submit" name="remove_answer" value="'.get_lang('RemoveAnswer').'" '.$remove_answer_attribute.' />';
|
|
$return .= ' <input type="submit" name="add_answer" value="'.get_lang('AddAnswer').'" />';
|
|
$return .= ' </td>';
|
|
$return .= ' </tr>';
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* render the question. In this case this starts with the form tag
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
$this->html = '<form id="question" name="question" method="post" action="'.$_SERVER['PHP_SELF'].'?survey_id='.$_GET['survey_id'].'">';
|
|
echo $this->html;
|
|
}
|
|
}
|
|
|
|
class yesno extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the yesno questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
// Horizontal or vertical
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="2"><strong>'.get_lang('DisplayAnswersHorVert').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right" valign="top"> </td>';
|
|
$this->html .= ' <td>';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="horizontal" ';
|
|
if ($form_content['horizontalvertical'] == 'horizontal')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= '/>'.get_lang('Horizontal').'</label><br />';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="vertical" ';
|
|
if ($form_content['horizontalvertical'] == 'vertical')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= ' />'.get_lang('Vertical').'</label>';
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
// The answers
|
|
$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="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="image" src="../img/up.gif" value="move_up[1]" name="move_up[1]" /></td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
|
|
/**
|
|
* Render the yes not question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<label><input name="question'.$form_content['question_id'].'" type="radio" value="'.$key.'" />'.$value.'</label>';
|
|
if ($form_content['display'] == 'vertical')
|
|
{
|
|
$this->html .= '<br />';
|
|
}
|
|
}
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo $this->html;
|
|
echo '</div>';
|
|
}
|
|
|
|
}
|
|
|
|
class multiplechoice extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the multiple choice questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="2"><strong>'.get_lang('DisplayAnswersHorVert').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
// Horizontal or vertical
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right" valign="top"> </td>';
|
|
$this->html .= ' <td>';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="horizontal" ';
|
|
if ($form_content['horizontalvertical'] == 'horizontal')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= '/>'.get_lang('Horizontal').'</label><br />';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="vertical" ';
|
|
if ($form_content['horizontalvertical'] == 'vertical')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= ' />'.get_lang('Vertical').'</label>'; $this->html .= ' </td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
// The answers
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$total_number_of_answers = count($form_content['answers']);
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
$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>';
|
|
$this->html .= ' <td>';
|
|
if ($key<$total_number_of_answers-1)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/down.gif" value="move_down['.$key.']" name="move_down['.$key.']"/>';
|
|
}
|
|
if ($key>0)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/up.gif" value="move_up['.$key.']" name="move_up['.$key.']"/>';
|
|
}
|
|
if ($total_number_of_answers> 2)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/delete.gif" value="delete_answer['.$key.']" name="delete_answer['.$key.']"/>';
|
|
}
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
// The buttons for adding or removing
|
|
$this->html .= parent :: add_remove_buttons($form_content);
|
|
}
|
|
|
|
/**
|
|
* render the multiple choice question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @todo it would make more sense to consider yesno as a special case of multiplechoice and not the other way around
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
$question = new yesno();
|
|
$question->render_question($form_content);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
class multipleresponse extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the multiple response questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="2"><strong>'.get_lang('DisplayAnswersHorVert').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
// Horizontal or vertical
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right" valign="top"> </td>';
|
|
$this->html .= ' <td>';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="horizontal" ';
|
|
if ($form_content['horizontalvertical'] == 'horizontal')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= '/>'.get_lang('Horizontal').'</label><br />';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="vertical" ';
|
|
if ($form_content['horizontalvertical'] == 'vertical')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= ' />'.get_lang('Vertical').'</label>'; $this->html .= ' </td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
// The answers
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$total_number_of_answers = count($form_content['answers']);
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
$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>';
|
|
$this->html .= ' <td>';
|
|
if ($key<$total_number_of_answers-1)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/down.gif" value="move_down['.$key.']" name="move_down['.$key.']"/>';
|
|
}
|
|
if ($key>0)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/up.gif" value="move_up['.$key.']" name="move_up['.$key.']"/>';
|
|
}
|
|
if ($total_number_of_answers> 2)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/delete.gif" value="delete_answer['.$key.']" name="delete_answer['.$key.']"/>';
|
|
}
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
// The buttons for adding or removing
|
|
$this->html .= parent :: add_remove_buttons($form_content);
|
|
}
|
|
|
|
/**
|
|
* Render the multiple response question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<label><input name="question'.$form_content['question_id'].'[]" type="checkbox" value="'.$key.'" />'.$value.'</label>';
|
|
if ($form_content['display'] == 'vertical')
|
|
{
|
|
$this->html .= '<br />';
|
|
}
|
|
}
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo $this->html;
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
class dropdown extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the dropdown questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
// The answers
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$total_number_of_answers = count($form_content['answers']);
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
$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>';
|
|
$this->html .= ' <td>';
|
|
if ($key<$total_number_of_answers-1)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/down.gif" value="move_down['.$key.']" name="move_down['.$key.']"/>';
|
|
}
|
|
if ($key>0)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/up.gif" value="move_up['.$key.']" name="move_up['.$key.']"/>';
|
|
}
|
|
if ($total_number_of_answers> 2)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/delete.gif" value="delete_answer['.$key.']" name="delete_answer['.$key.']"/>';
|
|
}
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
// The buttons for adding or removing
|
|
$this->html .= parent :: add_remove_buttons($form_content);
|
|
}
|
|
|
|
/**
|
|
* Render the dropdown question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<option value="'.$key.'">'.$value.'</option>';
|
|
}
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo '<select name="question'.$form_content['question_id'].'" id="select">';
|
|
echo $this->html;
|
|
echo '</select>';
|
|
echo '</div>';
|
|
/*
|
|
|
|
|
|
<option value="test">test</option>
|
|
|
|
*/
|
|
}
|
|
}
|
|
|
|
|
|
class open extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the open questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*
|
|
* @todo add a limit for the number of characters that can be type
|
|
* @todo add a checkbox weither the answer is a textarea or a wysiwyg editor
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
}
|
|
|
|
/**
|
|
* render the open question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo '<label for="question'.$form_content['question_id'].'"></label><textarea name="question'.$form_content['question_id'].'" id="textarea"></textarea>';
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
class comment extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for a comment.
|
|
* A comment is nothing more than a block of text that the user can read
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*
|
|
* @param array $form_content
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
}
|
|
|
|
|
|
/**
|
|
* Render the comment "question" type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
}
|
|
}
|
|
|
|
class pagebreak extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for a comment.
|
|
* A comment is nothing more than a block of text that the user can read
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version januari 2007
|
|
*
|
|
* @param array $form_content
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
}
|
|
}
|
|
|
|
class percentage extends question
|
|
{
|
|
}
|
|
?>
|