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1036 lines
51 KiB
1036 lines
51 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* EXTRA FUNCTIONS FOR DOCUMENTS TOOL
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* @package chamilo.document
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*/
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/**
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* Builds the form that enables the user to
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* select a directory to browse/upload in
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*
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* @param array An array containing the folders we want to be able to select
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* @param string The current folder (path inside of the "document" directory, including the prefix "/")
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* @param string Group directory, if empty, prevents documents to be uploaded (because group documents cannot be uploaded in root)
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* @param boolean Whether to change the renderer (this will add a template <span> to the QuickForm object displaying the form)
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* @todo this funcionality is really bad : jmontoya
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* @return string html form
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*/
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function build_directory_selector($folders, $document_id, $group_dir = '', $change_renderer = false)
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{
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$doc_table = Database::get_course_table(TABLE_DOCUMENT);
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$course_id = api_get_course_int_id();
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$folder_titles = array();
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if (is_array($folders)) {
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$escaped_folders = array();
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foreach ($folders as $key => & $val) {
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$escaped_folders[$key] = Database::escape_string($val);
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}
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$folder_sql = implode("','", $escaped_folders);
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$sql = "SELECT * FROM $doc_table
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WHERE filetype = 'folder' AND c_id = $course_id AND path IN ('" . $folder_sql . "')";
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$res = Database::query($sql);
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$folder_titles = array();
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while ($obj = Database::fetch_object($res)) {
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$folder_titles[$obj->path] = $obj->title;
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}
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}
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$form = new FormValidator('selector', 'GET', api_get_self() . '?' . api_get_cidreq());
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$form->addElement('hidden', 'cidReq', api_get_course_id());
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$parent_select = $form->addElement('select', 'id', get_lang('CurrentDirectory'), '', 'onchange="javascript: document.selector.submit();"');
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if ($change_renderer) {
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$renderer = $form->defaultRenderer();
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$renderer->setElementTemplate('<span>{label} : {element}</span> ', 'curdirpath');
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}
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// Group documents cannot be uploaded in the root
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if (empty($group_dir)) {
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$parent_select->addOption(get_lang('Documents'), '/');
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if (is_array($folders)) {
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foreach ($folders as $folder_id => & $folder) {
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$selected = ($document_id == $folder_id) ? ' selected="selected"' : '';
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$path_parts = explode('/', $folder);
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$folder_titles[$folder] = cut($folder_titles[$folder], 80);
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$counter = count($path_parts) - 2;
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if ($counter > 0) {
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$label = str_repeat(' ', $counter) . ' — ' . $folder_titles[$folder];
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} else {
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$label = ' — ' . $folder_titles[$folder];
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}
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$parent_select->addOption($label, $folder_id);
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if ($selected != '') {
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$parent_select->setSelected($folder_id);
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}
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}
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}
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} else {
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if (!empty($folders)) {
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foreach ($folders as $folder_id => & $folder) {
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$selected = ($document_id == $folder_id) ? ' selected="selected"' : '';
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$label = $folder_titles[$folder];
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if ($folder == $group_dir) {
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$label = get_lang('Documents');
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} else {
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$path_parts = explode('/', str_replace($group_dir, '', $folder));
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$label = cut($label, 80);
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$label = str_repeat(' ', count($path_parts) - 2) . ' — ' . $label;
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}
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$parent_select->addOption($label, $folder_id);
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if ($selected != '') {
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$parent_select->setSelected($folder_id);
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}
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}
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}
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}
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$html = $form->toHtml();
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return $html;
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}
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/**
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* Create a html hyperlink depending on if it's a folder or a file
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*
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* @param string $www
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* @param string $title
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* @param string $path
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* @param string $filetype (file/folder)
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* @param int $visibility (1/0)
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* @param int $show_as_icon - if it is true, only a clickable icon will be shown
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* @return string url
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*/
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function create_document_link(
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$document_data,
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$show_as_icon = false,
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$counter = null,
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$visibility
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) {
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global $dbl_click_id;
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$course_info = api_get_course_info();
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$www = api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/document';
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$webOdflist = DocumentManager::get_web_odf_extension_list();
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// Get the title or the basename depending on what we're using
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if ($document_data['title'] != '') {
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$title = $document_data['title'];
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} else {
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$title = basename($document_data['path']);
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}
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$filetype = $document_data['filetype'];
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$size = $filetype == 'folder' ? get_total_folder_size($document_data['path'], api_is_allowed_to_edit(null, true)) : $document_data['size'];
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$path = $document_data['path'];
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$url_path = urlencode($document_data['path']);
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// Add class="invisible" on invisible files
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$visibility_class = ($visibility == false) ? ' class="muted"' : '';
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$forcedownload_link = null;
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$forcedownload_icon = null;
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$prevent_multiple_click = null;
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if (!$show_as_icon) {
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// Build download link (icon)
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$forcedownload_link = ($filetype == 'folder') ? api_get_self() . '?' . api_get_cidreq() . '&action=downloadfolder&id=' . $document_data['id'] : api_get_self() . '?' . api_get_cidreq() . '&action=download&id=' . $document_data['id'];
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// Folder download or file download?
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$forcedownload_icon = ($filetype == 'folder') ? 'save_pack.png' : 'save.png';
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// Prevent multiple clicks on zipped folder download
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$prevent_multiple_click = ($filetype == 'folder') ? " onclick=\"javascript: if(typeof clic_$dbl_click_id == 'undefined' || !clic_$dbl_click_id) { clic_$dbl_click_id=true; window.setTimeout('clic_" . ($dbl_click_id++) . "=false;',10000); } else { return false; }\"" : '';
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}
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$target = '_self';
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$is_browser_viewable_file = false;
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if ($filetype == 'file') {
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// Check the extension
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$ext = explode('.', $path);
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$ext = strtolower($ext[sizeof($ext) - 1]);
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// HTML-files an some other types are shown in a frameset by default.
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$is_browser_viewable_file = is_browser_viewable($ext);
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if ($is_browser_viewable_file) {
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if ($ext == 'pdf' || in_array($ext, $webOdflist)) {
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$url = api_get_self() . '?' . api_get_cidreq() . '&action=download&id=' . $document_data['id'];
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} else {
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$url = 'showinframes.php?' . api_get_cidreq() . '&id=' . $document_data['id'];
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}
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} else {
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// url-encode for problematic characters (we may not call them dangerous characters...)
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$path = str_replace('%2F', '/', $url_path) . '?' . api_get_cidreq();
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$url = $www . $path;
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}
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/*$path = str_replace('%2F', '/', $url_path); //yox view hack otherwise the image can't be well read
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$url = $www . $path;*/
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} else {
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$url = api_get_self() . '?' . api_get_cidreq() . '&id=' . $document_data['id'];
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}
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// The little download icon
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$tooltip_title = $title;
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$tooltip_title_alt = $tooltip_title;
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if ($path == '/shared_folder') {
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$tooltip_title_alt = get_lang('UserFolders');
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} elseif (strstr($path, 'shared_folder_session_')) {
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$tooltip_title_alt = get_lang('UserFolders') . ' (' . api_get_session_name(api_get_session_id()) . ')';
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} elseif (strstr($tooltip_title, 'sf_user_')) {
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$userinfo = api_get_user_info(substr($tooltip_title, 8));
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$tooltip_title_alt = get_lang('UserFolder') . ' ' . $userinfo['complete_name'];
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} elseif ($path == '/chat_files') {
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$tooltip_title_alt = get_lang('ChatFiles');
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} elseif ($path == '/learning_path') {
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$tooltip_title_alt = get_lang('LearningPaths');
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} elseif ($path == '/video') {
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$tooltip_title_alt = get_lang('Video');
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} elseif ($path == '/audio') {
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$tooltip_title_alt = get_lang('Audio');
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} elseif ($path == '/flash') {
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$tooltip_title_alt = get_lang('Flash');
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} elseif ($path == '/images') {
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$tooltip_title_alt = get_lang('Images');
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} elseif ($path == '/images/gallery') {
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$tooltip_title_alt = get_lang('DefaultCourseImages');
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}
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$current_session_id = api_get_session_id();
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$copy_to_myfiles = $open_in_new_window_link = null;
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$curdirpath = isset($_GET['curdirpath']) ? Security::remove_XSS($_GET['curdirpath']) : null;
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$send_to = null;
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if (!$show_as_icon) {
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if ($filetype == 'folder') {
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if (api_is_allowed_to_edit() ||
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api_is_platform_admin() ||
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api_get_setting('students_download_folders') == 'true'
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) {
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//filter when I am into shared folder, I can show for donwload only my shared folder
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if (is_shared_folder($curdirpath, $current_session_id)) {
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if (preg_match('/shared_folder\/sf_user_' . api_get_user_id() . '$/', urldecode($forcedownload_link)) ||
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preg_match('/shared_folder_session_' . $current_session_id . '\/sf_user_' . api_get_user_id() . '$/', urldecode($forcedownload_link)) ||
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api_is_allowed_to_edit() || api_is_platform_admin()
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) {
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$force_download_html = ($size == 0) ? '' : '<a href="' . $forcedownload_link . '" style="float:right"' . $prevent_multiple_click . '>' .
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Display::return_icon($forcedownload_icon, get_lang('Download'), array(), ICON_SIZE_SMALL) . '</a>';
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}
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} elseif (!preg_match('/shared_folder/', urldecode($forcedownload_link)) ||
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api_is_allowed_to_edit() ||
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api_is_platform_admin()
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) {
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$force_download_html = ($size == 0) ? '' : '<a href="' . $forcedownload_link . '" style="float:right"' . $prevent_multiple_click . '>' .
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Display::return_icon($forcedownload_icon, get_lang('Download'), array(), ICON_SIZE_SMALL) . '</a>';
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}
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}
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} else {
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$force_download_html = ($size == 0) ? '' : '<a href="' . $forcedownload_link . '" style="float:right"' . $prevent_multiple_click . '>' .
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Display::return_icon($forcedownload_icon, get_lang('Download'), array(), ICON_SIZE_SMALL) . '</a>';
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}
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// Copy files to users myfiles
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if (api_get_setting('allow_social_tool') == 'true' &&
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api_get_setting('users_copy_files') == 'true' &&
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!api_is_anonymous()
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) {
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$copy_myfiles_link = ($filetype == 'file') ? api_get_self() . '?' . api_get_cidreq() . '&action=copytomyfiles&id=' . $document_data['id'] : api_get_self() . '?' . api_get_cidreq();
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if ($filetype == 'file') {
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$copy_to_myfiles = '<a href="' . $copy_myfiles_link . '" style="float:right"' . $prevent_multiple_click . '>' .
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Display::return_icon('briefcase.png', get_lang('CopyToMyFiles'), array(), ICON_SIZE_SMALL) . ' </a>';
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}
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if ($filetype == 'file') {
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$send_to = Portfolio::share('document', $document_data['id'], array('style' => 'float:right;'));
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}
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}
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$pdf_icon = '';
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$extension = pathinfo($path, PATHINFO_EXTENSION);
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if (!api_is_allowed_to_edit() &&
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api_get_setting('students_export2pdf') == 'true' &&
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$filetype == 'file' &&
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in_array($extension, array('html', 'htm'))
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) {
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$pdf_icon = ' <a style="float:right".' . $prevent_multiple_click . ' href="' . api_get_self() . '?' . api_get_cidreq() . '&action=export_to_pdf&id=' . $document_data['id'] . '">' .
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Display::return_icon('pdf.png', get_lang('Export2PDF'), array(), ICON_SIZE_SMALL) . '</a> ';
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}
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if ($is_browser_viewable_file) {
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$open_in_new_window_link = '<a href="' . $www . str_replace('%2F', '/', $url_path) . '?' . api_get_cidreq() . '" style="float:right"' . $prevent_multiple_click . ' target="_blank">' .
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Display::return_icon('open_in_new_window.png', get_lang('OpenInANewWindow'), array(), ICON_SIZE_SMALL) . ' </a>';
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}
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if ($filetype == 'file') {
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// Sound preview with jplayer
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if (preg_match('/mp3$/i', urldecode($url)) ||
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(preg_match('/wav$/i', urldecode($url)) && !preg_match('/_chnano_.wav$/i', urldecode($url))) ||
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preg_match('/ogg$/i', urldecode($url))
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) {
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return '<span style="float:left" ' . $visibility_class . '>' .
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$title .
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'</span>' . $force_download_html . $send_to . $copy_to_myfiles . $open_in_new_window_link . $pdf_icon;
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} elseif (
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// Show preview
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preg_match('/swf$/i', urldecode($url)) ||
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preg_match('/png$/i', urldecode($url)) ||
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preg_match('/gif$/i', urldecode($url)) ||
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preg_match('/jpg$/i', urldecode($url)) ||
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preg_match('/jpeg$/i', urldecode($url)) ||
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preg_match('/bmp$/i', urldecode($url)) ||
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preg_match('/svg$/i', urldecode($url)) ||
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(
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preg_match('/wav$/i', urldecode($url)) &&
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preg_match('/_chnano_.wav$/i', urldecode($url)) &&
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api_get_setting('enable_nanogong') == 'true'
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)
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) {
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// Simpler version of showinframesmin.php with no headers
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$url = 'show_content.php?' . api_get_cidreq() . '&id=' . $document_data['id']. '&width=700&height=500';
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$class = 'ajax';
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if ($visibility == false) {
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$class = "ajax invisible";
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}
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return '<a href="' . $url . '" class="' . $class . '" title="' . $tooltip_title_alt . '" style="float:left">' . $title . '</a>' .
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$force_download_html . $send_to . $copy_to_myfiles . $open_in_new_window_link . $pdf_icon;
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} else {
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// For PDF Download the file.
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$pdfPreview = null;
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if ($ext != 'pdf' && !in_array($ext, $webOdflist)) {
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$url = 'showinframes.php?' . api_get_cidreq() . '&id=' . $document_data['id'];
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} else {
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$pdfPreview = Display::url(
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Display::return_icon('preview.gif', get_lang('Preview')),
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api_get_path(WEB_CODE_PATH).'document/showinframes.php?' . api_get_cidreq() . '&id=' . $document_data['id'],
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array('style' => 'float:right')
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);
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}
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// No plugin just the old and good showinframes.php page
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return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" style="float:left" ' . $visibility_class . ' >' . $title . '</a>' .
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$pdfPreview.$force_download_html . $send_to . $copy_to_myfiles . $open_in_new_window_link . $pdf_icon;
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}
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} else {
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return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" ' . $visibility_class . ' style="float:left">' . $title . '</a>' .
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$force_download_html . $send_to . $copy_to_myfiles . $open_in_new_window_link . $pdf_icon;
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}
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// end copy files to users myfiles
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} else {
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// Icon column
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if (preg_match('/shared_folder/', urldecode($url)) &&
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preg_match('/shared_folder$/', urldecode($url)) == false &&
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preg_match('/shared_folder_session_' . $current_session_id . '$/', urldecode($url)) == false
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) {
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if ($filetype == 'file') {
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//Sound preview with jplayer
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if (preg_match('/mp3$/i', urldecode($url)) ||
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(preg_match('/wav$/i', urldecode($url)) && !preg_match('/_chnano_.wav$/i', urldecode($url))) ||
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preg_match('/ogg$/i', urldecode($url))) {
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$sound_preview = DocumentManager::generate_media_preview($counter);
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return $sound_preview;
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} elseif (
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// Show preview
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preg_match('/swf$/i', urldecode($url)) ||
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preg_match('/png$/i', urldecode($url)) ||
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preg_match('/gif$/i', urldecode($url)) ||
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preg_match('/jpg$/i', urldecode($url)) ||
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preg_match('/jpeg$/i', urldecode($url)) ||
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preg_match('/bmp$/i', urldecode($url)) ||
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preg_match('/svg$/i', urldecode($url)) ||
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(
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preg_match('/wav$/i', urldecode($url)) &&
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preg_match('/_chnano_.wav$/i', urldecode($url)) &&
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api_get_setting('enable_nanogong') == 'true'
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)
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) {
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$url = 'showinframes.php?' . api_get_cidreq() . '&id=' . $document_data['id'];
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return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" ' . $visibility_class . ' style="float:left">' .
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build_document_icon_tag($filetype, $path) .
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Display::return_icon('shared.png', get_lang('ResourceShared'), array()) . '</a>';
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} else {
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return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" ' . $visibility_class . ' style="float:left">' .
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build_document_icon_tag($filetype, $path) .
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Display::return_icon('shared.png', get_lang('ResourceShared'), array()) . '</a>';
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}
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} else {
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return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" target="' . $target . '"' . $visibility_class . ' style="float:left">' .
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build_document_icon_tag($filetype, $path) .
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Display::return_icon('shared.png', get_lang('ResourceShared'), array()) . '</a>';
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}
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} else {
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if ($filetype == 'file') {
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// Sound preview with jplayer
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if (preg_match('/mp3$/i', urldecode($url)) ||
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(preg_match('/wav$/i', urldecode($url)) && !preg_match('/_chnano_.wav$/i', urldecode($url))) ||
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preg_match('/ogg$/i', urldecode($url))) {
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$sound_preview = DocumentManager::generate_media_preview($counter);
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return $sound_preview;
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} elseif (
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//Show preview
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preg_match('/html$/i', urldecode($url)) ||
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preg_match('/htm$/i', urldecode($url)) ||
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preg_match('/swf$/i', urldecode($url)) ||
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preg_match('/png$/i', urldecode($url)) ||
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preg_match('/gif$/i', urldecode($url)) ||
|
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preg_match('/jpg$/i', urldecode($url)) ||
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preg_match('/jpeg$/i', urldecode($url)) ||
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preg_match('/bmp$/i', urldecode($url)) ||
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|
preg_match('/svg$/i', urldecode($url)) ||
|
|
(
|
|
preg_match('/wav$/i', urldecode($url)) &&
|
|
preg_match('/_chnano_.wav$/i', urldecode($url)) &&
|
|
api_get_setting('enable_nanogong') == 'true'
|
|
)
|
|
) {
|
|
$url = 'showinframes.php?' . api_get_cidreq() . '&id=' . $document_data['id']; //without preview
|
|
return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" ' . $visibility_class . ' style="float:left">' .
|
|
build_document_icon_tag($filetype, $path) . '</a>';
|
|
} else {
|
|
return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" ' . $visibility_class . ' style="float:left">' .
|
|
build_document_icon_tag($filetype, $path) . '</a>';
|
|
}
|
|
} else {
|
|
return '<a href="' . $url . '" title="' . $tooltip_title_alt . '" target="' . $target . '"' . $visibility_class . ' style="float:left">' .
|
|
build_document_icon_tag($filetype, $path) . '</a>';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Builds an img html tag for the file type
|
|
*
|
|
* @param string $type (file/folder)
|
|
* @param string $path
|
|
* @return string img html tag
|
|
*/
|
|
function build_document_icon_tag($type, $path)
|
|
{
|
|
$basename = basename($path);
|
|
$current_session_id = api_get_session_id();
|
|
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
|
|
$user_image = false;
|
|
if ($type == 'file') {
|
|
$icon = choose_image($basename);
|
|
|
|
if (preg_match('/_chnano_.wav$/i', $basename)) {
|
|
$icon = "jplayer_play.png";
|
|
$basename = 'wav' . ' ' . '(Nanogong)';
|
|
} else {
|
|
$basename = substr(strrchr($basename, '.'), 1);
|
|
}
|
|
} else {
|
|
if ($path == '/shared_folder') {
|
|
$icon = 'folder_users.gif';
|
|
if ($is_allowed_to_edit) {
|
|
$basename = get_lang('HelpUsersFolder');
|
|
} else {
|
|
$basename = get_lang('UserFolders');
|
|
}
|
|
} elseif (strstr($basename, 'sf_user_')) {
|
|
$userinfo = api_get_user_info(substr($basename, 8));
|
|
$image_path = UserManager::get_user_picture_path_by_id(substr($basename, 8), 'web', false, true);
|
|
|
|
if ($image_path['file'] == 'unknown.jpg') {
|
|
$icon = $image_path['file'];
|
|
} else {
|
|
//$icon = '../upload/users/' . substr($basename, 8) . '/' . $image_path['file'];
|
|
$user_image = true;
|
|
$icon = $image_path['dir'] . $image_path['file'];
|
|
}
|
|
|
|
$basename = get_lang('UserFolder') . ' ' . $userinfo['complete_name'];
|
|
} elseif (strstr($path, 'shared_folder_session_')) {
|
|
if ($is_allowed_to_edit) {
|
|
$basename = '***(' . api_get_session_name($current_session_id) . ')*** ' . get_lang('HelpUsersFolder');
|
|
} else {
|
|
$basename = get_lang('UserFolders') . ' (' . api_get_session_name($current_session_id) . ')';
|
|
}
|
|
$icon = 'folder_users.gif';
|
|
} else {
|
|
$icon = 'folder_document.gif';
|
|
|
|
if ($path == '/audio') {
|
|
$icon = 'folder_audio.gif';
|
|
if (api_is_allowed_to_edit()) {
|
|
$basename = get_lang('HelpDefaultDirDocuments');
|
|
} else {
|
|
$basename = get_lang('Audio');
|
|
}
|
|
} elseif ($path == '/flash') {
|
|
$icon = 'folder_flash.gif';
|
|
if (api_is_allowed_to_edit()) {
|
|
$basename = get_lang('HelpDefaultDirDocuments');
|
|
} else {
|
|
$basename = get_lang('Flash');
|
|
}
|
|
} elseif ($path == '/images') {
|
|
$icon = 'folder_images.gif';
|
|
if (api_is_allowed_to_edit()) {
|
|
$basename = get_lang('HelpDefaultDirDocuments');
|
|
} else {
|
|
$basename = get_lang('Images');
|
|
}
|
|
} elseif ($path == '/video') {
|
|
$icon = 'folder_video.gif';
|
|
if (api_is_allowed_to_edit()) {
|
|
$basename = get_lang('HelpDefaultDirDocuments');
|
|
} else {
|
|
$basename = get_lang('Video');
|
|
}
|
|
} elseif ($path == '/images/gallery') {
|
|
$icon = 'folder_gallery.gif';
|
|
if (api_is_allowed_to_edit()) {
|
|
$basename = get_lang('HelpDefaultDirDocuments');
|
|
} else {
|
|
$basename = get_lang('Gallery');
|
|
}
|
|
} elseif ($path == '/chat_files') {
|
|
$icon = 'folder_chat.gif';
|
|
if (api_is_allowed_to_edit()) {
|
|
$basename = get_lang('HelpFolderChat');
|
|
} else {
|
|
$basename = get_lang('ChatFiles');
|
|
}
|
|
} elseif ($path == '/learning_path') {
|
|
$icon = 'folder_learningpath.gif';
|
|
if (api_is_allowed_to_edit()) {
|
|
$basename = get_lang('HelpFolderLearningPaths');
|
|
} else {
|
|
$basename = get_lang('LearningPaths');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($user_image) {
|
|
return Display::img($icon, $basename, array());
|
|
}
|
|
return Display::return_icon($icon, $basename, array());
|
|
}
|
|
|
|
/**
|
|
* Creates the row of edit icons for a file/folder
|
|
*
|
|
* @param string $curdirpath current path (cfr open folder)
|
|
* @param string $type (file/folder)
|
|
* @param string $path dbase path of file/folder
|
|
* @param int $visibility (1/0)
|
|
* @param int $id dbase id of the document
|
|
* @return string html img tags with hyperlinks
|
|
*/
|
|
function build_edit_icons($document_data, $id, $is_template, $is_read_only = 0, $visibility)
|
|
{
|
|
$web_odf_extension_list = DocumentManager::get_web_odf_extension_list();
|
|
$document_id = $document_data['id'];
|
|
$type = $document_data['filetype'];
|
|
$is_read_only = $document_data['readonly'];
|
|
$path = $document_data['path'];
|
|
$parent_id = DocumentManager::get_document_id(api_get_course_info(), dirname($path));
|
|
$curdirpath = dirname($document_data['path']);
|
|
$is_certificate_mode = DocumentManager::is_certificate_mode($path);
|
|
$curdirpath = urlencode($curdirpath);
|
|
$extension = pathinfo($path, PATHINFO_EXTENSION);
|
|
//@todo Implement remote support for converter
|
|
$usePpt2lp = (api_get_setting('service_ppt2lp', 'active') == 'true' && api_get_setting('service_ppt2lp', 'host') == 'localhost');
|
|
$formatTypeList = DocumentManager::getFormatTypeListConvertor('from', $extension);
|
|
$formatType = current($formatTypeList);
|
|
|
|
// Build URL-parameters for table-sorting
|
|
$sort_params = array();
|
|
if (isset($_GET['column'])) {
|
|
$sort_params[] = 'column=' . Security::remove_XSS($_GET['column']);
|
|
}
|
|
if (isset($_GET['page_nr'])) {
|
|
$sort_params[] = 'page_nr=' . Security::remove_XSS($_GET['page_nr']);
|
|
}
|
|
if (isset($_GET['per_page'])) {
|
|
$sort_params[] = 'per_page=' . Security::remove_XSS($_GET['per_page']);
|
|
}
|
|
if (isset($_GET['direction'])) {
|
|
$sort_params[] = 'direction=' . Security::remove_XSS($_GET['direction']);
|
|
}
|
|
$sort_params = implode('&', $sort_params);
|
|
$visibility_icon = ($visibility == 0) ? 'invisible' : 'visible';
|
|
$visibility_command = ($visibility == 0) ? 'set_visible' : 'set_invisible';
|
|
|
|
$modify_icons = '';
|
|
|
|
// If document is read only *or* we're in a session and the document
|
|
// is from a non-session context, hide the edition capabilities
|
|
if ($is_read_only /* or ($session_id!=api_get_session_id()) */) {
|
|
if (api_is_course_admin() || api_is_platform_admin()) {
|
|
if ($extension == 'svg' && api_browser_support('svg') && api_get_setting('enabled_support_svg') == 'true') {
|
|
$modify_icons = '<a href="edit_draw.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} elseif (in_array($extension, $web_odf_extension_list) && api_get_setting('enabled_support_odf') === true) {
|
|
$modify_icons = '<a href="edit_odf.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} elseif ($extension == 'png' || $extension == 'jpg' || $extension == 'jpeg' || $extension == 'bmp' || $extension == 'gif' || $extension == 'pxd' && api_get_setting('enabled_support_pixlr') == 'true') {
|
|
$modify_icons = '<a href="edit_paint.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
$modify_icons = '<a href="edit_document.php?' . api_get_cidreq() . '&id=' . $document_id. '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
} else {
|
|
$modify_icons = Display::return_icon('edit_na.png', get_lang('Modify'), '', ICON_SIZE_SMALL);
|
|
}
|
|
$modify_icons .= ' ' . Display::return_icon('move_na.png', get_lang('Move'), array(), ICON_SIZE_SMALL);
|
|
if (api_is_allowed_to_edit() || api_is_platform_admin()) {
|
|
$modify_icons .= ' ' . Display::return_icon($visibility_icon . '.png', get_lang('VisibilityCannotBeChanged'), '', ICON_SIZE_SMALL);
|
|
}
|
|
$modify_icons .= ' ' . Display::return_icon('delete_na.png', get_lang('Delete'), array(), ICON_SIZE_SMALL);
|
|
} else {
|
|
//Edit button
|
|
if (in_array($path, DocumentManager::get_system_folders())) {
|
|
$modify_icons = Display::return_icon('edit_na.png', get_lang('Modify'), '', ICON_SIZE_SMALL);
|
|
} elseif ($is_certificate_mode ) {
|
|
// gradebook category doesn't seem to be taken into account
|
|
$modify_icons = '<a href="edit_document.php?' . api_get_cidreq() . '&id=' . $document_id . '&curdirpath=/certificates">' . Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
if (api_get_session_id()) {
|
|
if ($document_data['session_id'] == api_get_session_id()) {
|
|
if ($extension == 'svg' && api_browser_support('svg') && api_get_setting('enabled_support_svg') == 'true') {
|
|
$modify_icons = '<a href="edit_draw.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} elseif (in_array($extension, $web_odf_extension_list) && api_get_setting('enabled_support_odf') === true) {
|
|
$modify_icons = '<a href="edit_odf.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} elseif ($extension == 'png' || $extension == 'jpg' || $extension == 'jpeg' || $extension == 'bmp' || $extension == 'gif' || $extension == 'pxd' && api_get_setting('enabled_support_pixlr') == 'true') {
|
|
$modify_icons = '<a href="edit_paint.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
$modify_icons = '<a href="edit_document.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
} else {
|
|
$modify_icons .= ' ' . Display::return_icon('edit_na.png', get_lang('Edit'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
} else {
|
|
if ($extension == 'svg' && api_browser_support('svg') && api_get_setting('enabled_support_svg') == 'true') {
|
|
$modify_icons = '<a href="edit_draw.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} elseif (in_array($extension, $web_odf_extension_list) && api_get_setting('enabled_support_odf') === true) {
|
|
$modify_icons = '<a href="edit_odf.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} elseif ($extension == 'png' || $extension == 'jpg' || $extension == 'jpeg' || $extension == 'bmp' || $extension == 'gif' || $extension == 'pxd' && api_get_setting('enabled_support_pixlr') == 'true') {
|
|
$modify_icons = '<a href="edit_paint.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
$modify_icons = '<a href="edit_document.php?' . api_get_cidreq() . '&id=' . $document_id . '">' .
|
|
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
}
|
|
}
|
|
|
|
// Move button.
|
|
if ($is_certificate_mode || in_array($path, DocumentManager::get_system_folders())) {
|
|
$modify_icons .= ' ' . Display::return_icon('move_na.png', get_lang('Move'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
if (api_get_session_id()) {
|
|
if ($document_data['session_id'] == api_get_session_id()) {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&id=' . $parent_id . '&move=' . $document_id . '">' .
|
|
Display::return_icon('move.png', get_lang('Move'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
$modify_icons .= ' ' . Display::return_icon('move_na.png', get_lang('Move'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
} else {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&id=' . $parent_id . '&move=' . $document_id . '">' .
|
|
Display::return_icon('move.png', get_lang('Move'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
}
|
|
|
|
//Visibility button
|
|
if ($is_certificate_mode) {
|
|
$modify_icons .= ' ' . Display::return_icon($visibility_icon . '.png', get_lang('VisibilityCannotBeChanged'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
if (api_is_allowed_to_edit() || api_is_platform_admin()) {
|
|
if ($visibility_icon == 'invisible') {
|
|
$tip_visibility = get_lang('Show');
|
|
} else {
|
|
$tip_visibility = get_lang('Hide');
|
|
}
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&id=' . $parent_id . '&' . $visibility_command . '=' . $id . '&' . $sort_params . '">' .
|
|
Display::return_icon($visibility_icon . '.png', $tip_visibility, '', ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
}
|
|
|
|
// Delete button
|
|
if (in_array($path, DocumentManager::get_system_folders())) {
|
|
$modify_icons .= ' ' . Display::return_icon('delete_na.png', get_lang('ThisFolderCannotBeDeleted'), array(), ICON_SIZE_SMALL);
|
|
} else {
|
|
$titleToShow = addslashes(basename($document_data['title']));
|
|
|
|
if (isset($_GET['curdirpath']) &&
|
|
$_GET['curdirpath'] == '/certificates' &&
|
|
DocumentManager::get_default_certificate_id(api_get_course_id()) == $id
|
|
) {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&action=delete_item&id='.$parent_id.'&deleteid='.$document_id.'&' . $sort_params . 'delete_certificate_id=' . $id . '" onclick="return confirmation(\'' . $titleToShow . '\');">' .
|
|
Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
if ($is_certificate_mode) {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&action=delete_item&id='.$parent_id.'&deleteid=' . $document_id . '&' . $sort_params . '" onclick="return confirmation(\'' . $titleToShow . '\');">' .
|
|
Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
if (api_get_session_id()) {
|
|
if ($document_data['session_id'] == api_get_session_id()) {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&action=delete_item&id='.$parent_id.'&deleteid='.$document_id . '&' . $sort_params . '" onclick="return confirmation(\'' . $titleToShow . '\');">'.
|
|
Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
} else {
|
|
$modify_icons .= ' ' . Display::return_icon('delete_na.png', get_lang('ThisFolderCannotBeDeleted'), array(), ICON_SIZE_SMALL);
|
|
}
|
|
} else {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&action=delete_item&id='.$parent_id.'&deleteid='.$document_id . '&' . $sort_params . '" onclick="return confirmation(\'' . $titleToShow. '\');">' .
|
|
Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Add action to covert to PDF, will create a new document whit same filename but .pdf extension
|
|
// @TODO: add prompt to select a format target
|
|
if (in_array($path, DocumentManager::get_system_folders())) {
|
|
// nothing to do
|
|
} else {
|
|
if ($usePpt2lp && $formatType) {
|
|
$modify_icons .= ' <a class="convertAction" href="#" ' .
|
|
'data-documentId = ' . $document_id .
|
|
' data-formatType = ' . $formatType . '>' .
|
|
Display::return_icon(
|
|
'convert.png',
|
|
get_lang('Convert'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($type == 'file' && ($extension == 'html' || $extension == 'htm')) {
|
|
if ($is_template == 0) {
|
|
if ((isset($_GET['curdirpath']) && $_GET['curdirpath'] != '/certificates') || !isset($_GET['curdirpath'])) {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&add_as_template=' . $id . '&' . $sort_params . '">' .
|
|
Display::return_icon('wizard.png', get_lang('AddAsTemplate'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
if (isset($_GET['curdirpath']) && $_GET['curdirpath'] == '/certificates') {//allow attach certificate to course
|
|
$visibility_icon_certificate = 'nocertificate';
|
|
if (DocumentManager::get_default_certificate_id(api_get_course_id()) == $id) {
|
|
$visibility_icon_certificate = 'certificate';
|
|
$certificate = get_lang('DefaultCertificate');
|
|
$preview = get_lang('PreviewCertificate');
|
|
$is_preview = true;
|
|
} else {
|
|
$is_preview = false;
|
|
$certificate = get_lang('NoDefaultCertificate');
|
|
}
|
|
if (isset($_GET['selectcat'])) {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&selectcat=' . Security::remove_XSS($_GET['selectcat']) . '&set_certificate=' . $id . '&' . $sort_params . '">
|
|
<img src="../img/' . $visibility_icon_certificate . '.png" border="0" title="' . $certificate . '" alt="" /></a>';
|
|
if ($is_preview) {
|
|
$modify_icons .= ' <a target="_blank" href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&set_preview=' . $id . '&' . $sort_params . '" >' .
|
|
Display::return_icon('preview_view.png', $preview, '', ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&curdirpath=' . $curdirpath . '&remove_as_template=' . $id. '&' . $sort_params . '">' .
|
|
Display::return_icon('wizard_na.png', get_lang('RemoveAsTemplate'), '', ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
$modify_icons .= ' <a href="' . api_get_self() . '?' . api_get_cidreq() . '&action=export_to_pdf&id=' . $id . '">' .
|
|
Display::return_icon('pdf.png', get_lang('Export2PDF'), array(), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
return $modify_icons;
|
|
}
|
|
|
|
function build_move_to_selector($folders, $curdirpath, $move_file, $group_dir = '')
|
|
{
|
|
$form = new FormValidator('move_to', 'post', api_get_self());
|
|
|
|
// Form title
|
|
$form->addElement('hidden', 'move_file', $move_file);
|
|
|
|
$options = array();
|
|
|
|
// Group documents cannot be uploaded in the root
|
|
if ($group_dir == '') {
|
|
if ($curdirpath != '/') {
|
|
$options['/'] = get_lang('Documents');
|
|
}
|
|
|
|
if (is_array($folders)) {
|
|
foreach ($folders as & $folder) {
|
|
// Hide some folders
|
|
if ($folder == '/HotPotatoes_files' ||
|
|
$folder == '/certificates' ||
|
|
basename($folder) == 'css'
|
|
) {
|
|
continue;
|
|
}
|
|
// Admin setting for Hide/Show the folders of all users
|
|
if (api_get_setting('show_users_folders') == 'false' &&
|
|
(strstr($folder, '/shared_folder') || strstr($folder, 'shared_folder_session_'))
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
// Admin setting for Hide/Show Default folders to all users
|
|
if (api_get_setting('show_default_folders') == 'false' &&
|
|
(
|
|
$folder == '/images' ||
|
|
$folder == '/flash' ||
|
|
$folder == '/audio' ||
|
|
$folder == '/video' ||
|
|
strstr($folder, '/images/gallery') ||
|
|
$folder == '/video/flv'
|
|
)
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
// Admin setting for Hide/Show chat history folder
|
|
if (api_get_setting('show_chat_folder') == 'false' &&
|
|
$folder == '/chat_files') {
|
|
continue;
|
|
}
|
|
|
|
// You cannot move a file to:
|
|
// 1. current directory
|
|
// 2. inside the folder you want to move
|
|
// 3. inside a subfolder of the folder you want to move
|
|
if (($curdirpath != $folder) &&
|
|
($folder != $move_file) &&
|
|
(substr($folder, 0, strlen($move_file) + 1) != $move_file . '/')
|
|
) {
|
|
$path_displayed = $folder;
|
|
// If document title is used, we have to display titles instead of real paths...
|
|
$path_displayed = get_titles_of_path($folder);
|
|
|
|
if (empty($path_displayed)) {
|
|
$path_displayed = get_lang('Untitled');
|
|
}
|
|
$options[$folder] = $path_displayed;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
foreach ($folders as $folder) {
|
|
if (($curdirpath != $folder) &&
|
|
($folder != $move_file) &&
|
|
(substr($folder, 0, strlen($move_file) + 1) != $move_file . '/')
|
|
) {
|
|
// Cannot copy dir into his own subdir
|
|
$path_displayed = get_titles_of_path($folder);
|
|
$display_folder = substr($path_displayed, strlen($group_dir));
|
|
$display_folder = ($display_folder == '') ? get_lang('Documents') : $display_folder;
|
|
//$form .= '<option value="'.$folder.'">'.$display_folder.'</option>';
|
|
$options[$folder] = $display_folder;
|
|
}
|
|
}
|
|
}
|
|
$form->addElement('select', 'move_to', get_lang('MoveTo'), $options);
|
|
$form->addElement('button', 'move_file_submit', get_lang('MoveElement'));
|
|
return $form->return_form();
|
|
}
|
|
|
|
/**
|
|
* Gets the path translated with title of docs and folders
|
|
* @param string $path the real path
|
|
* @return the path which should be displayed
|
|
*/
|
|
function get_titles_of_path($path)
|
|
{
|
|
global $tmp_folders_titles;
|
|
$course_id = api_get_course_int_id();
|
|
$nb_slashes = substr_count($path, '/');
|
|
$current_slash_pos = 0;
|
|
$path_displayed = '';
|
|
for ($i = 0; $i < $nb_slashes; $i++) {
|
|
// For each folder of the path, retrieve title.
|
|
$current_slash_pos = strpos($path, '/', $current_slash_pos + 1);
|
|
$tmp_path = substr($path, strpos($path, '/', 0), $current_slash_pos);
|
|
|
|
if (empty($tmp_path)) {
|
|
// If empty, then we are in the final part of the path
|
|
$tmp_path = $path;
|
|
}
|
|
|
|
if (!empty($tmp_folders_titles[$tmp_path])) {
|
|
// If this path has soon been stored here we don't need a new query
|
|
$path_displayed .= $tmp_folders_titles[$tmp_path];
|
|
} else {
|
|
$sql = 'SELECT title FROM ' . Database::get_course_table(TABLE_DOCUMENT) . '
|
|
WHERE c_id = ' . $course_id . ' AND path LIKE BINARY "' . $tmp_path . '"';
|
|
$rs = Database::query($sql);
|
|
$tmp_title = '/' . Database::result($rs, 0, 0);
|
|
$path_displayed .= $tmp_title;
|
|
$tmp_folders_titles[$tmp_path] = $tmp_title;
|
|
}
|
|
}
|
|
return $path_displayed;
|
|
}
|
|
|
|
/**
|
|
* This function displays the name of the user and makes the link tothe user tool.
|
|
*
|
|
* @param $user_id
|
|
* @param $name
|
|
* @return a link to the userInfo.php
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version february 2006, dokeos 1.8
|
|
*/
|
|
function display_user_link_document($user_id, $name) {
|
|
if ($user_id != 0) {
|
|
return '<a href="../user/userInfo.php?uInfo=' . $user_id . '">' . $name . '</a>';
|
|
} else {
|
|
return get_lang('Anonymous');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates form that asks for the directory name.
|
|
* @return string html-output text for the form
|
|
*/
|
|
function create_dir_form($dirId) {
|
|
global $document_id;
|
|
$form = new FormValidator('create_dir_form', 'post', api_get_self().'?'.api_get_cidreq(), '', null, false);
|
|
$form->addElement('hidden', 'create_dir', 1);
|
|
$form->addElement('hidden', 'dir_id', intval($document_id));
|
|
$form->addElement('hidden', 'id', intval($dirId));
|
|
$form->addElement('header', '', get_lang('CreateDir'));
|
|
$form->addElement('text', 'dirname', get_lang('NewDir'), array('autofocus' => 'autofocus'));
|
|
$form->addElement('style_submit_button', 'submit', get_lang('CreateFolder'), 'class="add"');
|
|
$new_folder_text = $form->return_form();
|
|
return $new_folder_text;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the user is in shared folder
|
|
* @return return bool Return true when user is into shared folder
|
|
*/
|
|
function is_shared_folder($curdirpath, $current_session_id) {
|
|
$clean_curdirpath = Security::remove_XSS($curdirpath);
|
|
if ($clean_curdirpath == '/shared_folder') {
|
|
return true;
|
|
} elseif ($clean_curdirpath == '/shared_folder_session_' . $current_session_id) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks whether the user is into any user shared folder
|
|
* @return return bool Return true when user is in any user shared folder
|
|
*/
|
|
function is_any_user_shared_folder($path, $current_session_id) {
|
|
$clean_path = Security::remove_XSS($path);
|
|
if (strpos($clean_path, 'shared_folder/sf_user_')) {
|
|
return true;
|
|
} elseif (strpos($clean_path, 'shared_folder_session_' . $current_session_id . '/sf_user_')) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks whether the user is into his shared folder or into a subfolder
|
|
* @return return bool Return true when user is in his user shared folder or into a subforder
|
|
*/
|
|
function is_my_shared_folder($user_id, $path, $current_session_id) {
|
|
$clean_path = Security::remove_XSS($path) . '/';
|
|
//for security does not remove the last slash
|
|
$main_user_shared_folder = '/shared_folder\/sf_user_' . $user_id . '\//';
|
|
//for security does not remove the last slash
|
|
$main_user_shared_folder_session = '/shared_folder_session_' . $current_session_id . '\/sf_user_' . $user_id . '\//';
|
|
|
|
if (preg_match($main_user_shared_folder, $clean_path)) {
|
|
return true;
|
|
} elseif (preg_match($main_user_shared_folder_session, $clean_path)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the file name or folder searched exist
|
|
* @return return bool Return true when exist
|
|
*/
|
|
function search_keyword($document_name, $keyword) {
|
|
if (api_strripos($document_name, $keyword) !== false) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks whether a document can be previewed by using the browser.
|
|
* @param string $file_extension The filename extension of the document (it must be in lower case).
|
|
* @return bool Returns TRUE or FALSE.
|
|
*/
|
|
function is_browser_viewable($file_extension) {
|
|
static $allowed_extensions = array(
|
|
'htm', 'html', 'xhtml',
|
|
'gif', 'jpg', 'jpeg', 'png', 'tif', 'tiff',
|
|
'pdf', 'svg', 'swf',
|
|
'txt', 'log',
|
|
'mp4', 'ogg', 'ogv', 'ogx', 'mpg', 'mpeg', 'mov', 'avi', 'webm', 'wmv',
|
|
'mp3', 'oga', 'wav', 'au', 'wma', 'mid', 'kar'
|
|
);
|
|
|
|
/*
|
|
//TODO: make a admin swich to strict mode
|
|
1. global default $allowed_extensions only: 'htm', 'html', 'xhtml', 'gif', 'jpg', 'jpeg', 'png', 'bmp', 'txt', 'log'
|
|
if (in_array($file_extension, $allowed_extensions)) { // Assignment + a logical check.
|
|
return true;
|
|
}
|
|
2. check native support
|
|
3. check plugins: quicktime, mediaplayer, vlc, acrobat, flash, java
|
|
*/
|
|
|
|
if (!($result = in_array($file_extension, $allowed_extensions))) { // Assignment + a logical check.
|
|
return false;
|
|
}
|
|
//check native support (Explorer, Opera, Firefox, Chrome, Safari)
|
|
|
|
if ($file_extension == "pdf") {
|
|
return api_browser_support('pdf');
|
|
} elseif ($file_extension == "mp3") {
|
|
return api_browser_support('mp3');
|
|
} elseif ($file_extension == "mp4") {
|
|
return api_browser_support('mp4');
|
|
} elseif ($file_extension == "ogg" || $file_extension == "ogx" || $file_extension == "ogv" || $file_extension == "oga") {
|
|
return api_browser_support('ogg');
|
|
} elseif ($file_extension == "svg") {
|
|
return api_browser_support('svg');
|
|
} elseif ($file_extension == "mpg" || $file_extension == "mpeg") {
|
|
return api_browser_support('mpg');
|
|
} elseif ($file_extension == "mov") {
|
|
return api_browser_support('mov');
|
|
} elseif ($file_extension == "wav") {
|
|
return api_browser_support('wav');
|
|
} elseif ($file_extension == "mid" || $file_extension == "kar") {
|
|
return api_browser_support('mid');
|
|
} elseif ($file_extension == "avi") {
|
|
return api_browser_support('avi');
|
|
} elseif ($file_extension == "wma") {
|
|
return api_browser_support('wma');
|
|
} elseif ($file_extension == "wmv") {
|
|
return api_browser_support('wmv');
|
|
} elseif ($file_extension == "tif" || $file_extension == "tiff") {
|
|
return api_browser_support('tif');
|
|
} elseif ($file_extension == "mov") {
|
|
return api_browser_support('mov');
|
|
} elseif ($file_extension == "au") {
|
|
return api_browser_support('au');
|
|
} elseif ($file_extension == "webm") {
|
|
return api_browser_support('webm');
|
|
}
|
|
return $result;
|
|
}
|
|
|