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

288 lines
13 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This page allows the administrator to manage the system announcements.
* @package chamilo.admin.announcement
*/
/* INIT SECTION */
// Language files that need to be included.
$language_file = array('admin', 'agenda');
// Resetting the course id.
$cidReset = true;
// Including the global initialization file.
require_once '../inc/global.inc.php';
// Including additional libraries.
require_once api_get_path(LIBRARY_PATH).'WCAG/WCAG_rendering.php';
require_once api_get_path(LIBRARY_PATH).'mail.lib.inc.php';
// Setting the section (for the tabs).
$this_section=SECTION_PLATFORM_ADMIN;
$_SESSION['this_section']=$this_section;
// Access restrictions
api_protect_admin_script(true);
// Setting breadcrumbs.
$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
$tool_name = null;
if (empty($_GET['lang'])) {
$_GET['lang'] = $_SESSION['user_language_choice'];
}
if (isset($_GET['action'])) {
$interbreadcrumb[] = array ("url" => "system_announcements.php", "name" => get_lang('SystemAnnouncements'));
if ($_GET['action'] == 'add') {
$interbreadcrumb[] = array ("url" => '#', "name" => get_lang('AddAnnouncement'));
}
if ($_GET['action'] == 'edit') {
$interbreadcrumb[] = array ("url" => '#', "name" => get_lang('Edit'));
}
} else {
$tool_name = get_lang('SystemAnnouncements');
}
// Displaying the header.
Display :: display_header($tool_name);
if ($_GET['action'] != 'add' && $_GET['action'] != 'edit') {
echo '<div class="actions">';
echo '<a href="?action=add">'.Display::return_icon('add.png', get_lang('AddAnnouncement'), array(), 32).'</a>';
echo '</div>';
}
/* MAIN CODE */
$form_action = '';
$show_announcement_list = true;
if (isset ($_GET['action']) && $_GET['action'] == 'make_visible') {
switch ($_GET['person']) {
case VISIBLE_TEACHER :
SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_TEACHER, true);
break;
case VISIBLE_STUDENT :
SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_STUDENT, true);
break;
case VISIBLE_GUEST :
SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_GUEST, true);
break;
}
}
if (isset ($_GET['action']) && $_GET['action'] == 'make_invisible') {
switch ($_GET['person']) {
case VISIBLE_TEACHER :
SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_TEACHER, false);
break;
case VISIBLE_STUDENT :
SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_STUDENT, false);
break;
case VISIBLE_GUEST :
SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_GUEST, false);
break;
}
}
// Form was posted?
if (isset ($_POST['action'])) {
$action_todo = true;
}
// Delete an announcement.
if (isset ($_GET['action']) && $_GET['action'] == 'delete') {
SystemAnnouncementManager :: delete_announcement($_GET['id']);
Display :: display_confirmation_message(get_lang('AnnouncementDeleted'));
}
// Delete selected announcements.
if (isset ($_POST['action']) && $_POST['action'] == 'delete_selected') {
foreach($_POST['id'] as $index => $id) {
SystemAnnouncementManager :: delete_announcement($id);
}
Display :: display_confirmation_message(get_lang('AnnouncementDeleted'));
$action_todo = false;
}
// Add an announcement.
if (isset ($_GET['action']) && $_GET['action'] == 'add') {
$values['action'] = 'add';
// Set default time window: NOW -> NEXT WEEK
$values['start'] = date('Y-m-d H:i:s',api_strtotime(api_get_local_time()));
$values['end'] = date('Y-m-d H:i:s',api_strtotime(api_get_local_time()) + (7 * 24 * 60 * 60));
$action_todo = true;
}
// Edit an announcement.
if (isset ($_GET['action']) && $_GET['action'] == 'edit') {
$announcement = SystemAnnouncementManager :: get_announcement($_GET['id']);
$values['id'] = $announcement->id;
$values['title'] = $announcement->title;
$values['content'] = $announcement->content;
$values['start'] = api_get_local_time($announcement->date_start);
$values['end'] = api_get_local_time($announcement->date_end);
$values['visible_teacher'] = $announcement->visible_teacher;
$values['visible_student'] = $announcement->visible_student ;
$values['visible_guest'] = $announcement->visible_guest ;
$values['lang'] = $announcement->lang;
$values['action'] = 'edit';
$groups = SystemAnnouncementManager :: get_announcement_groups($announcement->id);
$values['group'] = isset($groups[0]['group_id']) ? $groups[0]['group_id'] : 0;
$action_todo = true;
}
if ($action_todo) {
if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'add') {
$form_title = get_lang('AddNews');
} elseif (isset($_REQUEST['action']) && $_REQUEST['action'] == 'edit') {
$form_title = get_lang('EditNews');
}
$form = new FormValidator('system_announcement');
$form->addElement('header', '', $form_title);
$form->add_textfield('title', get_lang('Title'), true, array('size'=>'60px'));
$language_list = api_get_languages();
$language_list_with_keys = array();
$language_list_with_keys['all'] = get_lang('All');
for($i=0; $i<count($language_list['name']) ; $i++) {
$language_list_with_keys[$language_list['folder'][$i]] = $language_list['name'][$i];
}
$form->addElement('select', 'lang',get_lang('Language'), $language_list_with_keys);
if (api_get_setting('wcag_anysurfer_public_pages')=='true') {
$form->addElement('textarea', 'content', get_lang('Content'));
} else {
$form->add_html_editor('content', get_lang('Content'), true, false, array('ToolbarSet' => 'PortalNews', 'Width' => '100%', 'Height' => '300'));
}
$form->add_timewindow('start','end',get_lang('StartTimeWindow'),get_lang('EndTimeWindow'));
$group = array();
$group[]= $form->createElement('checkbox', 'visible_teacher', null, get_lang('Teacher'));
$group[]= $form->createElement('checkbox', 'visible_student', null, get_lang('Student'));
$group[]= $form->createElement('checkbox', 'visible_guest', null, get_lang('Guest'));
$form->addGroup($group, null, get_lang('Visible'), '');
$form->addElement('hidden', 'id');
$group_list = GroupPortalManager::get_groups_list();
$group_list[0] = get_lang('AllGroups');
$form->addElement('select', 'group',get_lang('AnnouncementForGroup'),$group_list);
$values['group'] = isset($values['group']) ? $values['group'] : '0';
$form->addElement('checkbox', 'send_mail', null, get_lang('SendMail'));
if (isset($_REQUEST['action']) && $_REQUEST['action']=='add') {
$form->addElement('checkbox', 'add_to_calendar', null, get_lang('AddToCalendar'));
$text=get_lang('AddNews');
$class='add';
$form->addElement('hidden', 'action','add');
} elseif (isset($_REQUEST['action']) && $_REQUEST['action']=='edit') {
$text=get_lang('EditNews');
$class='save';
$form->addElement('hidden', 'action','edit');
}
$form->addElement('style_submit_button', 'submit', $text,'class="'.$class.'"');
if (api_get_setting('wcag_anysurfer_public_pages') == 'true') {
$values['content'] = WCAG_Rendering::HTML_to_text($values['content']);
}
$form->setDefaults($values);
if ($form->validate()) {
$values = $form->exportValues();
if ( !isset($values['visible_teacher'])) {
$values['visible_teacher'] = false;
}
if ( !isset($values['visible_student'])) {
$values['visible_student'] = false;
}
if ( !isset($values['visible_guest'])) {
$values['visible_guest'] = false;
}
if ($values['lang'] == 'all') {
$values['lang'] = null;
}
if (api_get_setting('wcag_anysurfer_public_pages') == 'true') {
$values['content'] = WCAG_Rendering::text_to_HTML($values['content']);
}
switch ($values['action']) {
case 'add':
$announcement_id = SystemAnnouncementManager::add_announcement($values['title'],$values['content'],$values['start'],$values['end'],$values['visible_teacher'],$values['visible_student'],$values['visible_guest'], $values['lang'],$values['send_mail'], $values['add_to_calendar']);
if ($announcement_id !== false ) {
SystemAnnouncementManager::announcement_for_groups($announcement_id, array($values['group']));
Display :: display_confirmation_message(get_lang('AnnouncementAdded'));
} else {
$show_announcement_list = false;
$form->display();
}
break;
case 'edit':
if (SystemAnnouncementManager::update_announcement($values['id'], $values['title'], $values['content'], $values['start'], $values['end'], $values['visible_teacher'], $values['visible_student'], $values['visible_guest'], $values['lang'], $values['send_mail'])) {
SystemAnnouncementManager::announcement_for_groups($values['id'], array($values['group']));
Display :: display_confirmation_message(get_lang('AnnouncementUpdated'));
} else {
$show_announcement_list = false;
$form->display();
}
break;
default:
break;
}
$show_announcement_list = true;
} else {
if (api_get_setting('wcag_anysurfer_public_pages') == 'true') {
echo '<div class="WCAG-form">';
}
$form->display();
if (api_get_setting('wcag_anysurfer_public_pages') == 'true') {
echo '</div>';
}
$show_announcement_list = false;
}
}
if ($show_announcement_list) {
$announcements = SystemAnnouncementManager :: get_all_announcements();
$announcement_data = array ();
foreach ($announcements as $index => $announcement) {
$row = array();
$row[] = $announcement->id;
$row[] = Display::return_icon(($announcement->visible ? 'accept.png' : 'exclamation.png'), ($announcement->visible ? get_lang('AnnouncementAvailable') : get_lang('AnnouncementNotAvailable')));
$row[] = $announcement->title;
$row[] = api_convert_and_format_date($announcement->date_start);
$row[] = api_convert_and_format_date($announcement->date_end);
$row[] = "<a href=\"?id=".$announcement->id."&amp;person=".VISIBLE_TEACHER."&amp;action=". ($announcement->visible_teacher ? 'make_invisible' : 'make_visible')."\">".Display::return_icon(($announcement->visible_teacher ? 'visible.gif' : 'invisible.gif'), get_lang('ShowOrHide'))."</a>";
$row[] = "<a href=\"?id=".$announcement->id."&amp;person=".VISIBLE_STUDENT."&amp;action=". ($announcement->visible_student ? 'make_invisible' : 'make_visible')."\">".Display::return_icon(($announcement->visible_student ? 'visible.gif' : 'invisible.gif'), get_lang('ShowOrHide'))."</a>";
$row[] = "<a href=\"?id=".$announcement->id."&amp;person=".VISIBLE_GUEST."&amp;action=". ($announcement->visible_guest ? 'make_invisible' : 'make_visible')."\">".Display::return_icon(($announcement->visible_guest ? 'visible.gif' : 'invisible.gif'), get_lang('ShowOrHide'))."</a>";
$row[] = $announcement->lang;
$row[] = "<a href=\"?action=edit&id=".$announcement->id."\">".Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL)."</a> <a href=\"?action=delete&id=".$announcement->id."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang("ConfirmYourChoice"), ENT_QUOTES))."')) return false;\">".Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL)."</a>";
$announcement_data[] = $row;
}
$table = new SortableTableFromArray($announcement_data);
$table->set_header(0, '', false);
$table->set_header(1, get_lang('Active'));
$table->set_header(2, get_lang('Title'));
$table->set_header(3, get_lang('StartTimeWindow'));
$table->set_header(4, get_lang('EndTimeWindow'));
$table->set_header(5, get_lang('Teacher'));
$table->set_header(6, get_lang('Student'));
$table->set_header(7, get_lang('Guest'));
$table->set_header(8, get_lang('Language'));
$table->set_header(9, get_lang('Modify'), false, 'width="50px"');
$form_actions = array();
$form_actions['delete_selected'] = get_lang('Delete');
$table->set_form_actions($form_actions);
$table->display();
}
/* FOOTER */
Display :: display_footer();