You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
425 lines
14 KiB
425 lines
14 KiB
<?php // $Id: course_virtual.php 9246 2006-09-25 13:24:53Z bmol $
|
|
/*
|
|
==============================================================================
|
|
Dokeos - elearning and course management software
|
|
|
|
Copyright (c) 2004-2005 Dokeos S.A.
|
|
Copyright (c) 2003 Ghent University (UGent)
|
|
Copyright (c) 2001 Universite catholique de Louvain (UCL)
|
|
Copyright (c) Roan Embrechts (Vrije Universiteit Brussel)
|
|
|
|
For a full list of contributors, see "credits.txt".
|
|
The full license can be read in "license.txt".
|
|
|
|
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 the GNU General Public License for more details.
|
|
|
|
Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
|
|
Mail: info@dokeos.com
|
|
==============================================================================
|
|
*/
|
|
/**
|
|
==============================================================================
|
|
* @author Roan Embrechts - initial admin interface
|
|
* @package dokeos.admin
|
|
==============================================================================
|
|
*/
|
|
|
|
/*
|
|
==============================================================================
|
|
INIT SECTION
|
|
==============================================================================
|
|
*/
|
|
|
|
// name of the language file which needs to be included
|
|
// 'inc.php' is automatically appended to the file name
|
|
$langFile = "admin";
|
|
$extra_lang_file = "create_course";
|
|
|
|
// global settings initialisation
|
|
// also provides access to main api (inc/lib/main_api.lib.php)
|
|
include("../inc/global.inc.php");
|
|
$this_section=SECTION_PLATFORM_ADMIN;
|
|
|
|
api_protect_admin_script();
|
|
|
|
if (isset($extra_lang_file)) include(api_get_path(INCLUDE_PATH)."../lang/english/".$extra_lang_file.".inc.php");
|
|
if (isset($extra_lang_file)) include(api_get_path(INCLUDE_PATH)."../lang/".$language_interface."/".$extra_lang_file.".inc.php");
|
|
|
|
/*
|
|
-----------------------------------------------------------
|
|
Libraries
|
|
-----------------------------------------------------------
|
|
*/
|
|
|
|
include_once(api_get_path(LIBRARY_PATH) . 'course.lib.php');
|
|
|
|
/*
|
|
-----------------------------------------------------------
|
|
Constants
|
|
-----------------------------------------------------------
|
|
*/
|
|
|
|
define ("CREATE_VIRTUAL_COURSE_OPTION", "create_virtual_course");
|
|
define ("DISPLAY_VIRTUAL_COURSE_LIST_OPTION", "display_virtual_course_list");
|
|
|
|
define ("FORM_ELEMENT_CODE_SIZE", "20");
|
|
define ("FORM_ELEMENT_TEXT_SIZE", "60");
|
|
define ("SELECT_BOX_SIZE", "10");
|
|
|
|
define ("COURSE_TITLE_FORM_NAME", "course_title");
|
|
define ("LANGUAGE_SELECT_FORM_NAME" , "course_language");
|
|
define ("REAL_COURSE_SELECT_FORM_NAME" , "real_course_code");
|
|
define ("WANTED_COURSE_CODE_FORM_NAME" , "wanted_course_code");
|
|
define ("COURSE_CATEGORY_FORM_NAME" , "course_category");
|
|
|
|
/*
|
|
-----------------------------------------------------------
|
|
Header
|
|
-----------------------------------------------------------
|
|
*/
|
|
|
|
$tool_name = get_lang('AdminManageVirtualCourses'); // title of the page (should come from the language file)
|
|
|
|
//$interbreadcrumb[]=array("url" => "index.php","name" => get_lang('PlatformAdmin'));
|
|
|
|
Display::display_header($tool_name);
|
|
|
|
/*
|
|
==============================================================================
|
|
DISPLAY FUNCTIONS
|
|
==============================================================================
|
|
*/
|
|
|
|
function make_strong($text)
|
|
{
|
|
return "<strong>" . $text . "</strong>";
|
|
}
|
|
|
|
|
|
/**
|
|
* Return a list of language directories.
|
|
* @todo function does not belong here, move to code library,
|
|
* also see infocours.php and index.php which contain a similar function
|
|
*/
|
|
function get_language_folder_list($dirname)
|
|
{
|
|
if($dirname[strlen($dirname)-1]!='/') $dirname.='/';
|
|
$handle=opendir($dirname);
|
|
while ($entries = readdir($handle))
|
|
{
|
|
if ($entries=='.' || $entries=='..' || $entries=='CVS') continue;
|
|
if (is_dir($dirname.$entries))
|
|
{
|
|
$language_list[] = $entries;
|
|
}
|
|
}
|
|
closedir($handle);
|
|
return $language_list;
|
|
}
|
|
|
|
/**
|
|
* Displays a select element (drop down menu) so the user can select
|
|
* the course language.
|
|
* @todo function does not belong here, move to (display?) library,
|
|
* @todo language display used apparently no longer existing array, converted to english for now.
|
|
* but we should switch to display the real language names.
|
|
*/
|
|
function display_language_select($element_name)
|
|
{
|
|
global $platformLanguage;
|
|
|
|
//get language list
|
|
$dirname = api_get_path(SYS_PATH)."main/lang/";
|
|
$language_list = get_language_folder_list($dirname);
|
|
sort($language_list);
|
|
|
|
//build array with strings to display
|
|
foreach ($language_list as $this_language)
|
|
{
|
|
$language_to_display[$this_language] = $this_language;
|
|
}
|
|
|
|
//sort alphabetically
|
|
//warning: key,value association needs to be maintained --> asort instead of sort
|
|
asort($language_to_display);
|
|
|
|
$user_selected_language = $_SESSION["user_language_choice"];
|
|
if (! isset($user_selected_language) ) $user_selected_language = $platformLanguage;
|
|
|
|
//display
|
|
echo "<select name=\"$element_name\">";
|
|
foreach ($language_to_display as $key => $value)
|
|
{
|
|
if ($key == $user_selected_language) $option_end = "selected >";
|
|
else $option_end = ">";
|
|
echo "<option value=\"$key\" $option_end";
|
|
|
|
echo $value;
|
|
echo "</option>\n";
|
|
}
|
|
echo "</select>";
|
|
}
|
|
|
|
/**
|
|
* This code creates a select form element to let the user
|
|
* choose a real course to link to.
|
|
*
|
|
* We display the course code, but internally store the course id.
|
|
*/
|
|
function display_real_course_code_select($element_name)
|
|
{
|
|
$real_course_list = CourseManager::get_real_course_list();
|
|
|
|
echo "<select name=\"$element_name\" size=\"".SELECT_BOX_SIZE."\" >\n";
|
|
foreach($real_course_list as $real_course)
|
|
{
|
|
$course_code = $real_course["code"];
|
|
echo "<option value=\"". $course_code ."\">";
|
|
echo $course_code;
|
|
echo "</option>\n";
|
|
}
|
|
echo "</select>\n";
|
|
}
|
|
|
|
|
|
function display_create_virtual_course_form()
|
|
{
|
|
$category_table = Database::get_main_table(MAIN_CATEGORY_TABLE);
|
|
|
|
$message = make_strong(get_lang('AdminCreateVirtualCourse')) . "<br/>" . get_lang('AdminCreateVirtualCourseExplanation') . "<br/>This feature is in development phase, bug reports welcome.";
|
|
?>
|
|
<p><?php echo $message; ?></p>
|
|
<b><?php echo get_lang('MandatoryFields') ?></b>
|
|
<form method="post" action="<?php echo $_SERVER['PHP_SELF'] ?>">
|
|
<table>
|
|
<tr valign="top">
|
|
<td colspan="2">
|
|
|
|
</td>
|
|
</tr>
|
|
|
|
<tr valign="top">
|
|
<td align="right">
|
|
<?php
|
|
echo make_strong(get_lang('CourseTitle')) . " ";
|
|
echo "</td>";
|
|
echo "<td valign=\"top\">";
|
|
echo "<input type=\"Text\" name=\"".COURSE_TITLE_FORM_NAME."\" size=\"".FORM_ELEMENT_TEXT_SIZE."\" value=\"$valueIntitule\"/><br />".get_lang('Ex') ;
|
|
?>
|
|
</td>
|
|
</tr>
|
|
|
|
<tr valign="top">
|
|
<td align="right"><?php echo make_strong(get_lang('CourseFaculty')) . " "; ?> </td>
|
|
<td>
|
|
<?php
|
|
echo "<select name=\"".COURSE_CATEGORY_FORM_NAME."\">";
|
|
|
|
$sql_query = "SELECT code, name
|
|
FROM $category_table
|
|
WHERE auth_course_child ='TRUE'
|
|
ORDER BY tree_pos";
|
|
$category_result = api_sql_query($sql_query, __FILE__, __LINE__);
|
|
|
|
while ($current_category = mysql_fetch_array($category_result))
|
|
{
|
|
echo "<option value=\"", $current_category["code"], "\"";
|
|
echo ">(", $current_category["code"], ") ", $current_category["name"];
|
|
echo "</option>\n";
|
|
}
|
|
?>
|
|
</select>
|
|
<br /><?php echo make_strong(get_lang('TargetFac')) . " " ?>
|
|
</td>
|
|
</tr>
|
|
|
|
<tr valign="top">
|
|
<td align="right"><?php echo make_strong(get_lang('Code')) . " " ?> </td>
|
|
<td>
|
|
<?php
|
|
echo "<input type=\"Text\" name=\"".WANTED_COURSE_CODE_FORM_NAME."\" maxlength=\"".FORM_ELEMENT_CODE_SIZE."\" value=\"$valuePublicCode\"/>
|
|
<br/>" . get_lang('Max');
|
|
?>
|
|
</td>
|
|
</tr>
|
|
|
|
<tr valign="top">
|
|
<td align="right">
|
|
<?php echo make_strong(get_lang('RealCourseCode')) . " " ?>
|
|
</td>
|
|
<td>
|
|
<?php
|
|
display_real_course_code_select(REAL_COURSE_SELECT_FORM_NAME);
|
|
//echo "<input type=\"Text\" name=\"real_course_code\" maxlength=\"".FORM_ELEMENT_CODE_SIZE."\" value=\"" . htmlentities($valueTitular) . "\"/>";
|
|
?>
|
|
</td>
|
|
</tr>
|
|
|
|
<tr valign="top">
|
|
<td align="right">
|
|
<?php
|
|
echo make_strong(get_lang('CourseLanguage')) . " ";
|
|
?>
|
|
</td>
|
|
<td> <?php display_language_select(LANGUAGE_SELECT_FORM_NAME); ?>
|
|
|
|
</td>
|
|
</tr>
|
|
<tr valign="top">
|
|
<td>
|
|
</td>
|
|
<td>
|
|
<input type="Submit" name="submit_create_virtual_course" value="<?php echo get_lang('Ok')?>"/>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</form>
|
|
<?php
|
|
}
|
|
|
|
function display_main_options()
|
|
{
|
|
$message = "<ul><li><a href=\"?action=".CREATE_VIRTUAL_COURSE_OPTION."\">".get_lang('CreateVirtualCourse')."</a></li>";
|
|
$message .= "<li><a href=\"?action=".DISPLAY_VIRTUAL_COURSE_LIST_OPTION."\">".get_lang('DisplayListVirtualCourses')."</a></li></ul>";
|
|
echo $message;
|
|
}
|
|
|
|
function display_virtual_course_list()
|
|
{
|
|
$course_list = CourseManager::get_virtual_course_list();
|
|
if (! is_array($course_list) )
|
|
{
|
|
//there are no virtual courses
|
|
echo "<i>".get_lang('ThereAreNoVirtualCourses')."</i>";
|
|
return;
|
|
}
|
|
|
|
$column_header[] = array(get_lang('Title'),true);
|
|
$column_header[] = array(get_lang('Code'),true);
|
|
$column_header[] = array(get_lang('VisualCode'),true);
|
|
$column_header[] = array(get_lang('LinkedCourseTitle'),true);
|
|
$column_header[] = array(get_lang('LinkedCourseCode'),true);
|
|
$table_data = array();
|
|
for($i = 0; $i < count($course_list); $i++)
|
|
{
|
|
$course_list[$i] = Database::generate_abstract_course_field_names($course_list[$i]);
|
|
$target_course_code = $course_list[$i]["target_course_code"];
|
|
$real_course_info = Database::get_course_info($target_course_code);
|
|
|
|
$row = array();
|
|
$row[] = $course_list[$i]["title"];
|
|
$row[] = $course_list[$i]["system_code"];
|
|
$row[] = $course_list[$i]["visual_code"];
|
|
$row[] = $real_course_info["title"];
|
|
$row[]= $real_course_info["system_code"];
|
|
$table_data[] = $row;
|
|
}
|
|
Display::display_sortable_table($column_header,$table_data,array(),array(),array('action'=>$_GET['action']));
|
|
}
|
|
|
|
|
|
/*
|
|
==============================================================================
|
|
TOOL LOGIC FUNCTIONS
|
|
==============================================================================
|
|
*/
|
|
|
|
/**
|
|
* Checks all parameters needed to create a virtual course.
|
|
* If they are all set, the virtual course creation procedure is called.
|
|
* Call this function instead of create_virtual_course
|
|
*/
|
|
function attempt_create_virtual_course($real_course_code, $course_title, $wanted_course_code, $course_language, $course_category)
|
|
{
|
|
//better: create parameter list, check the entire list, when false display errormessage
|
|
CourseManager::check_parameter_or_fail($real_course_code, "Unspecified parameter: real course id.");
|
|
CourseManager::check_parameter_or_fail($course_title, "Unspecified parameter: course title.");
|
|
CourseManager::check_parameter_or_fail($wanted_course_code, "Unspecified parameter: wanted course code.");
|
|
CourseManager::check_parameter_or_fail($course_language, "Unspecified parameter: course language.");
|
|
CourseManager::check_parameter_or_fail($course_category, "Unspecified parameter: course category.");
|
|
|
|
$message = get_lang('AttemptedCreationVirtualCourse') . "<br/>";
|
|
$message .= get_lang('CourseTitle') . " " . $course_title . "<br/>";
|
|
$message .= get_lang('WantedCourseCode') . " " . $wanted_course_code . "<br/>";
|
|
$message .= get_lang('CourseLanguage') . " " . $course_language . "<br/>";
|
|
$message .= get_lang('CourseFaculty') . " " . $course_category . "<br/>";
|
|
$message .= get_lang('LinkedToRealCourseCode') . " " . $real_course_code . "<br/>";
|
|
|
|
Display::display_normal_message($message);
|
|
|
|
$creation_success = CourseManager::create_virtual_course( $real_course_code, $course_title, $wanted_course_code, $course_language, $course_category );
|
|
|
|
if ($creation_success == true)
|
|
{
|
|
Display::display_normal_message( $course_title . " - " . get_lang('CourseCreationSucceeded') );
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
==============================================================================
|
|
MAIN CODE
|
|
==============================================================================
|
|
*/
|
|
|
|
$action = $_GET["action"];
|
|
$attempt_create_virtual_course = $_POST["submit_create_virtual_course"];
|
|
|
|
//api_display_tool_title($tool_name);
|
|
|
|
if ( isset($attempt_create_virtual_course) && $attempt_create_virtual_course )
|
|
{
|
|
$real_course_code = $_POST[REAL_COURSE_SELECT_FORM_NAME];
|
|
$course_title = $_POST[COURSE_TITLE_FORM_NAME];
|
|
$wanted_course_code = $_POST[WANTED_COURSE_CODE_FORM_NAME];
|
|
$course_language = $_POST[LANGUAGE_SELECT_FORM_NAME];
|
|
$course_category = $_POST[COURSE_CATEGORY_FORM_NAME];
|
|
|
|
$message = get_lang('AttemptedCreationVirtualCourse') . "<br/>";
|
|
$message .= get_lang('CourseTitle') . " " . $course_title . "<br/>";
|
|
$message .= get_lang('WantedCourseCode') . " " . $wanted_course_code . "<br/>";
|
|
$message .= get_lang('CourseLanguage') . " " . $course_language . "<br/>";
|
|
$message .= get_lang('CourseFaculty') . " " . $course_category . "<br/>";
|
|
$message .= get_lang('LinkedToRealCourseCode') . " " . $real_course_code . "<br/>";
|
|
|
|
Display::display_normal_message($message);
|
|
|
|
$creation_success = CourseManager::attempt_create_virtual_course($real_course_code, $course_title, $wanted_course_code, $course_language, $course_category);
|
|
|
|
if ($creation_success == true)
|
|
{
|
|
Display::display_normal_message( $course_title . " - " . get_lang('CourseCreationSucceeded') );
|
|
}
|
|
else
|
|
{
|
|
//should display error message
|
|
}
|
|
echo "<br/>";
|
|
}
|
|
|
|
|
|
display_main_options();
|
|
|
|
switch($action)
|
|
{
|
|
case CREATE_VIRTUAL_COURSE_OPTION:
|
|
display_create_virtual_course_form();
|
|
break;
|
|
case DISPLAY_VIRTUAL_COURSE_LIST_OPTION:
|
|
display_virtual_course_list();
|
|
break;
|
|
}
|
|
|
|
/*
|
|
==============================================================================
|
|
FOOTER
|
|
==============================================================================
|
|
*/
|
|
Display::display_footer();
|
|
?>
|