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