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							916 lines
						
					
					
						
							46 KiB
						
					
					
				
			
		
		
	
	
							916 lines
						
					
					
						
							46 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 thats 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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    $doc_table = Database::get_course_table(TABLE_DOCUMENT);
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    $course_id = api_get_course_int_id();
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    $folder_titles = array();
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    if (api_get_setting('use_document_title') == 'true') {
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        if (is_array($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 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] = $obj->title;
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            }
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        }
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    } else {
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        if (is_array($folders)) {
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            foreach ($folders as & $folder) {
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                $folder_titles[$folder] = basename($folder);
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            }
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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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                $label = str_repeat('   ', count($path_parts) - 2).' — '.$folder_titles[$folder];
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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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        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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    $form = $form->toHtml();
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    return $form;
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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 $show_as_icon - if it is true, only a clickable icon will be shown
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 * @return string url
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 */
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function create_document_link($document_data, $show_as_icon = false, $counter = null, $visibility) {
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    global $dbl_click_id;
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    if (isset($_SESSION['_gid'])) {
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        $req_gid = '&gidReq='.$_SESSION['_gid'];
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    } else {
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        $req_gid = '';
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    }
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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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    $use_document_title = api_get_setting('use_document_title');
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    // Get the title or the basename depending on what we're using
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    if ($use_document_title == 'true' && $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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    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 ($is_browser_viewable_file) {
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            //$url = 'showinframes.php?'.api_get_cidreq().'&file='.$url_path.$req_gid;
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            $url = 'showinframes.php?'.api_get_cidreq().'&id='.$document_data['id'].$req_gid;
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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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            //$new_path = '?id='.$document_data['id'];
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            $url = $www.$path;
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        }
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        //$path = str_replace('%2F', '/',$url_path).'?'.api_get_cidreq();
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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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        // Disabled fragment of code, there is a special icon for opening in a new window.
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        //// Files that we want opened in a new window
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        //if ($ext == 'txt' || $ext == 'log' || $ext == 'css' || $ext == 'js') { // Add here
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        //    $target = '_blank';
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        //}
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    } else {
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        //$url = api_get_self().'?'.api_get_cidreq().'&curdirpath='.$url_path.$req_gid;
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        $url = api_get_self().'?'.api_get_cidreq().'&id='.$document_data['id'].$req_gid;
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    }
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    // The little download icon
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    //$tooltip_title = str_replace('?cidReq='.$_GET['cidReq'], '', basename($path));
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    $tooltip_title = explode('?', basename($path));
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    //$tooltip_title = $tooltip_title[0];
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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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        $userinfo = Database::get_user_info_from_id(substr($tooltip_title, 8));
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        $tooltip_title_alt = get_lang('UserFolder').' '.api_get_person_name($userinfo['firstname'], $userinfo['lastname']);
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    } elseif($path == '/chat_files') {
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        $tooltip_title_alt = get_lang('ChatFiles');
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    } elseif($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($_GET['curdirpath']) : null;
 | 
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    if (!$show_as_icon) {
 | 
						|
        if ($filetype == 'folder') {
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            if (api_is_allowed_to_edit() || api_is_platform_admin() || api_get_setting('students_download_folders') == 'true') {
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                //filter when I am into shared folder, I can show for donwload only my shared folder
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                if (is_shared_folder($curdirpath, $current_session_id)) {
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                    if (preg_match('/shared_folder\/sf_user_'.api_get_user_id().'$/', urldecode($forcedownload_link))|| preg_match('/shared_folder_session_'.$current_session_id.'\/sf_user_'.api_get_user_id().'$/', urldecode($forcedownload_link)) || api_is_allowed_to_edit() || api_is_platform_admin()) {
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                        $force_download_html = ($size == 0) ? '' : '<a href="'.$forcedownload_link.'" style="float:right"'.$prevent_multiple_click.'>'.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)) || api_is_allowed_to_edit() || api_is_platform_admin()) {
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                    $force_download_html = ($size == 0) ? '' : '<a href="'.$forcedownload_link.'" style="float:right"'.$prevent_multiple_click.'>'.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.'>'.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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        //copy files to users myfiles
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        if (api_get_setting('users_copy_files') == 'true' && !api_is_anonymous()){
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            $copy_myfiles_link = ($filetype == 'file') ? api_get_self().'?'.api_get_cidreq().'&action=copytomyfiles&id='.$document_data['id'].$req_gid :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.'>'.Display::return_icon('briefcase.png', get_lang('CopyToMyFiles'), array(),ICON_SIZE_SMALL).'  </a>';
 | 
						|
            }
 | 
						|
        }
 | 
						|
        
 | 
						|
        $pdf_icon = '';
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						|
        $extension = pathinfo($path, PATHINFO_EXTENSION);          
 | 
						|
        if (!api_is_allowed_to_edit() && api_get_setting('students_export2pdf') == 'true' && $filetype == 'file' && in_array($extension, array('html','htm'))) {            
 | 
						|
            $pdf_icon = ' <a style="float:right".'.$prevent_multiple_click.' href="'.api_get_self().'?'.api_get_cidreq().'&action=export_to_pdf&id='.$document_data['id'].'">'.Display::return_icon('pdf.png', get_lang('Export2PDF'),array(), ICON_SIZE_SMALL).'</a> ';
 | 
						|
        } 
 | 
						|
        
 | 
						|
        if ($is_browser_viewable_file) {
 | 
						|
            $open_in_new_window_link = '<a href="'.$www.str_replace('%2F', '/',$url_path).'?'.api_get_cidreq().'" style="float:right"'.$prevent_multiple_click.' target="_blank">'.Display::return_icon('open_in_new_window.png', get_lang('OpenInANewWindow'), array(),ICON_SIZE_SMALL).'  </a>';
 | 
						|
        }
 | 
						|
        //target="'.$target.'"
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						|
        if ($filetype == 'file') {
 | 
						|
            //Sound preview with jplayer
 | 
						|
			if ( preg_match('/mp3$/i',  urldecode($url))  ||
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						|
			     preg_match('/wav$/i',  urldecode($url))  ||
 | 
						|
			     preg_match('/ogg$/i',  urldecode($url))) {			         
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						|
			     return '<span style="float:left" '.$visibility_class.'>'.$title.'</span>'.$force_download_html.$copy_to_myfiles.$open_in_new_window_link.$pdf_icon;
 | 
						|
            } elseif (
 | 
						|
                //Show preview sith yoxview
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						|
				preg_match('/swf$/i',  urldecode($url))  ||
 | 
						|
            	preg_match('/png$/i',  urldecode($url))  ||
 | 
						|
            	preg_match('/gif$/i',  urldecode($url))  ||
 | 
						|
            	preg_match('/jpg$/i',  urldecode($url))  ||
 | 
						|
            	preg_match('/jpeg$/i',  urldecode($url))  ||
 | 
						|
            	preg_match('/bmp$/i',  urldecode($url))  ||
 | 
						|
            	preg_match('/svg$/i',  urldecode($url))              
 | 
						|
			     //preg_match('/html$/i', urldecode($url))  || 
 | 
						|
			     //preg_match('/htm$/i',  urldecode($url))  
 | 
						|
			     //|| (preg_match('/wav$/', urldecode($url)) && api_get_setting('enable_nanogong') == 'true')
 | 
						|
            ) {
 | 
						|
            	//yox view
 | 
						|
				//$url = 'showinframesmin.php?'.api_get_cidreq().'&id='.$document_data['id'].$req_gid;
 | 
						|
				//Simpler version of showinframesmin.php with no headers 
 | 
						|
				$url = 'show_content.php?'.api_get_cidreq().'&id='.$document_data['id'].$req_gid.'&width=700&height=500';
 | 
						|
				$class = 'thickbox';
 | 
						|
				if ($visibility == false) {
 | 
						|
					$class = "thickbox invisible";
 | 
						|
				}								
 | 
						|
				return '<a href="'.$url.'" class="'.$class.'" title="'.$tooltip_title_alt.'" style="float:left">'.$title.'</a>'.$force_download_html.$copy_to_myfiles.$open_in_new_window_link.$pdf_icon;
 | 
						|
			} else {
 | 
						|
				$url = 'showinframes.php?'.api_get_cidreq().'&id='.$document_data['id'].$req_gid;
 | 
						|
			    //No plugin just the old and good showinframes.php page 			
 | 
						|
            	return '<a href="'.$url.'" title="'.$tooltip_title_alt.'" style="float:left" '.$visibility_class.' >'.$title.'</a>'.$force_download_html.$copy_to_myfiles.$open_in_new_window_link.$pdf_icon;
 | 
						|
			}          
 | 
						|
        } else {
 | 
						|
            return '<a href="'.$url.'" title="'.$tooltip_title_alt.'" '.$visibility_class.' style="float:left">'.$title.'</a>'.$force_download_html.$copy_to_myfiles.$open_in_new_window_link.$pdf_icon;
 | 
						|
        }
 | 
						|
        //end copy files to users myfiles
 | 
						|
    } else {
 | 
						|
		//Icon column
 | 
						|
        if (preg_match('/shared_folder/', urldecode($url)) && preg_match('/shared_folder$/', urldecode($url))==false && preg_match('/shared_folder_session_'.$current_session_id.'$/', urldecode($url))==false){
 | 
						|
			if ($filetype == 'file') {
 | 
						|
                //Sound preview with jplayer
 | 
						|
                if ( preg_match('/mp3$/i',  urldecode($url))  ||
 | 
						|
                     preg_match('/wav$/i',  urldecode($url))  ||
 | 
						|
                     preg_match('/ogg$/i',  urldecode($url))) {                   
 | 
						|
                     $sound_preview = DocumentManager::generate_media_preview($counter);
 | 
						|
                     return $sound_preview ;
 | 
						|
                } elseif (
 | 
						|
                    //Show preview sith yoxview
 | 
						|
                     preg_match('/swf$/i',  urldecode($url))  || 
 | 
						|
                     preg_match('/html$/i', urldecode($url))  || 
 | 
						|
                     preg_match('/htm$/i',  urldecode($url))  //|| (preg_match('/wav$/', urldecode($url)) && api_get_setting('enable_nanogong') == 'true')
 | 
						|
                ) {
 | 
						|
					$url = 'showinframesmin.php?'.api_get_cidreq().'&id='.$document_data['id'].$req_gid;
 | 
						|
					return '<a href="'.$url.'" class="yoxview" title="'.$tooltip_title_alt.'" target="yoxview"'.$visibility_class.' style="float:left">'.build_document_icon_tag($filetype, $path).Display::return_icon('shared.png', get_lang('ResourceShared'), array()).'</a>';
 | 
						|
				} else {			
 | 
						|
					return '<a href="'.$url.'" class="yoxview" title="'.$tooltip_title_alt.'" target="yoxview"'.$visibility_class.' style="float:left">'.build_document_icon_tag($filetype, $path).Display::return_icon('shared.png', get_lang('ResourceShared'), array()).'</a>';
 | 
						|
				}          
 | 
						|
        	} else {			
 | 
						|
            	return '<a href="'.$url.'" title="'.$tooltip_title_alt.'" target="'.$target.'"'.$visibility_class.' style="float:left">'.build_document_icon_tag($filetype, $path).Display::return_icon('shared.png', get_lang('ResourceShared'), array()).'</a>';
 | 
						|
			}						
 | 
						|
        } else {
 | 
						|
			if ($filetype == 'file') {
 | 
						|
                //Sound preview with jplayer
 | 
						|
                if ( preg_match('/mp3$/i',  urldecode($url))  ||
 | 
						|
                     preg_match('/wav$/i',  urldecode($url))  ||
 | 
						|
                     preg_match('/ogg$/i',  urldecode($url))) {
 | 
						|
                     $sound_preview = DocumentManager::generate_media_preview($counter);
 | 
						|
                     return $sound_preview ;                     
 | 
						|
                } elseif (
 | 
						|
                    //Show preview sith yoxview
 | 
						|
                     preg_match('/swf$/i',  urldecode($url))  || 
 | 
						|
                     preg_match('/html$/i', urldecode($url))  || 
 | 
						|
                     preg_match('/htm$/i',  urldecode($url))  //|| (preg_match('/wav$/', urldecode($url)) && api_get_setting('enable_nanogong') == 'true')
 | 
						|
                ) {
 | 
						|
					$url = 'showinframesmin.php?'.api_get_cidreq().'&id='.$document_data['id'].$req_gid;
 | 
						|
					return '<a href="'.$url.'" class="yoxview" title="'.$tooltip_title_alt.'" target="yoxview"'.$visibility_class.' style="float:left">'.build_document_icon_tag($filetype, $path).'</a>';
 | 
						|
				} else {			
 | 
						|
					return '<a href="'.$url.'" class="yoxview" title="'.$tooltip_title_alt.'" target="yoxview"'.$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 filetype
 | 
						|
 *
 | 
						|
 * @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();
 | 
						|
    $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
 | 
						|
 | 
						|
    if ($type == 'file') {
 | 
						|
        $icon = choose_image($basename);
 | 
						|
    } 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_')) {
 | 
						|
            $userinfo = Database::get_user_info_from_id(substr($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'];
 | 
						|
            }
 | 
						|
 | 
						|
            $basename = get_lang('UserFolder').' '.api_get_person_name($userinfo['firstname'], $userinfo['lastname']);}elseif(strstr($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{
 | 
						|
                    $basename=get_lang('ChatFiles');
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    //return Display::return_icon($icon, $basename, array());
 | 
						|
    return Display::return_icon($icon, null, 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, $visibility) {
 | 
						|
    if (isset($_SESSION['_gid'])) {
 | 
						|
        $req_gid = '&gidReq='.$_SESSION['_gid'];
 | 
						|
    } else {
 | 
						|
        $req_gid = '';
 | 
						|
    }
 | 
						|
    $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);
 | 
						|
    
 | 
						|
    // 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.$req_gid.'">'.Display::return_icon('edit.png', get_lang('Modify'),'',ICON_SIZE_SMALL).'</a>';
 | 
						|
            } elseif($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.$req_gid.'">'.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.$req_gid.'">'.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);
 | 
						|
        }
 | 
						|
        $modify_icons .= ' '.Display::return_icon('delete_na.png', get_lang('Delete'),array(), ICON_SIZE_SMALL);
 | 
						|
    } else {        
 | 
						|
        if ($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.$req_gid.'&curdirpath=/certificates&selectcat='.$gradebook_category.'">'.Display::return_icon('edit.png', get_lang('Modify'),'',ICON_SIZE_SMALL).'</a>';            
 | 
						|
            $modify_icons = '<a href="edit_document.php?'.api_get_cidreq().'&id='.$document_id.$req_gid.'&curdirpath=/certificates">'.Display::return_icon('edit.png', get_lang('Modify'),'',ICON_SIZE_SMALL).'</a>';            
 | 
						|
        } else {
 | 
						|
            if (api_get_session_id()) {
 | 
						|
                if ($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.$req_gid.'">'.Display::return_icon('edit.png', get_lang('Modify'),'',ICON_SIZE_SMALL).'</a>';
 | 
						|
                    } elseif($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.$req_gid.'">'.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.$req_gid.'">'.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.$req_gid.'">'.Display::return_icon('edit.png', get_lang('Modify'),'',ICON_SIZE_SMALL).'</a>';
 | 
						|
                } elseif($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.$req_gid.'">'.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.$req_gid.'">'.Display::return_icon('edit.png', get_lang('Modify'),'',ICON_SIZE_SMALL).'</a>';
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if ($is_certificate_mode) {
 | 
						|
            //$modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&id='.$parent_id.'&move='.$document_id.$req_gid.'&selectcat='.$gradebook_category.'">'.Display::return_icon('move.png', get_lang('Move'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
            $modify_icons .= ' '.Display::return_icon('move_na.png', get_lang('Move'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
            $modify_icons .= ' '.Display::return_icon($visibility_icon.'.png', get_lang('VisibilityCannotBeChanged'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
			Display::return_icon($visibility_icon.'.png', get_lang('VisibilityCannotBeChanged'),array(), ICON_SIZE_SMALL).'</a>';			
 | 
						|
        } else {
 | 
						|
            if (api_get_session_id()) {
 | 
						|
                if ($document_data['session_id'] == api_get_session_id()) {                       
 | 
						|
                    $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&id='.$parent_id.'&move='.$document_id.$req_gid.'">'.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='.$document_id.$req_gid.'">'.Display::return_icon('move.png', get_lang('Move'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
            }
 | 
						|
            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.$req_gid.'&'.$sort_params.'">'.Display::return_icon($visibility_icon.'.png', $tip_visibility,'',ICON_SIZE_SMALL).'</a>';
 | 
						|
 | 
						|
            }
 | 
						|
        }        
 | 
						|
        if (in_array($path, array('/audio', '/flash', '/images', '/shared_folder', '/video', '/chat_files', '/certificates'))) {
 | 
						|
            $modify_icons .= ' '.Display::return_icon('delete_na.png', get_lang('ThisFolderCannotBeDeleted'),array(), ICON_SIZE_SMALL);
 | 
						|
        } else {
 | 
						|
            if (isset($_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.'&delete='.urlencode($path).$req_gid.'&'.$sort_params.'delete_certificate_id='.$id.'&selectcat='.$gradebook_category.' " onclick="return confirmation(\''.basename($path).'\');">'.Display::return_icon('delete.png', get_lang('Delete'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
                $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&delete='.urlencode($path).$req_gid.'&'.$sort_params.'delete_certificate_id='.$id.'" onclick="return confirmation(\''.basename($path).'\');">'.Display::return_icon('delete.png', get_lang('Delete'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
            } else {
 | 
						|
                if ($is_certificate_mode) {
 | 
						|
                    //$modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&delete='.urlencode($path).$req_gid.'&'.$sort_params.'&selectcat='.$gradebook_category.'" onclick="return confirmation(\''.basename($path).'\');">'.Display::return_icon('delete.png', get_lang('Delete'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
                    $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&delete='.urlencode($path).$req_gid.'&'.$sort_params.'" onclick="return confirmation(\''.basename($path).'\');">'.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.'&delete='.urlencode($path).$req_gid.'&'.$sort_params.'" onclick="return confirmation(\''.basename($path).'\');">'.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.'&delete='.urlencode($path).$req_gid.'&'.$sort_params.'" onclick="return confirmation(\''.basename($path).'\');">'.Display::return_icon('delete.png', get_lang('Delete'),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='.$id.$req_gid.'&'.$sort_params.'">'.Display::return_icon('wizard.png', get_lang('AddAsTemplate'),array(), ICON_SIZE_SMALL).'</a>';
 | 
						|
            }
 | 
						|
            if (isset($_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.$req_gid.'&'.$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='.$id.$req_gid.'&'.$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='.$id.$req_gid.'&'.$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 = '<form name="move_to" action="'.api_get_self().'" method="POST">';
 | 
						|
    $form .= '<input type="hidden" name="move_file" value="'.$move_file.'" />';
 | 
						|
    
 | 
						|
    $form .= '<div class="row">';
 | 
						|
    $form .= '<div class="label">';
 | 
						|
    $form .= get_lang('MoveTo');
 | 
						|
    $form .= '</div>';
 | 
						|
    
 | 
						|
    $form .= '<div class="formw">';
 | 
						|
 | 
						|
    $form .= '<select name="move_to">';
 | 
						|
 | 
						|
    // Group documents cannot be uploaded in the root
 | 
						|
    if ($group_dir == '') {
 | 
						|
        if ($curdirpath != '/') {
 | 
						|
            $form .= '<option value="/">'.get_lang('Documents').'</option>';
 | 
						|
        }
 | 
						|
 | 
						|
        if (is_array($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...
 | 
						|
                    if (api_get_setting('use_document_title')) {
 | 
						|
                        $path_displayed = get_titles_of_path($folder);
 | 
						|
                    }
 | 
						|
                    if (empty($path_displayed)) {
 | 
						|
                        $path_displayed = get_lang('Untitled');
 | 
						|
                    }
 | 
						|
                    $form .= '<option value="'.$folder.'">'.$path_displayed.'</option>';
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        foreach ($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
 | 
						|
                if (api_get_setting('use_document_title')) {
 | 
						|
                    $path_displayed = get_titles_of_path($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>';
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    $form .= '		</select>';
 | 
						|
    $form .= '	</div>';
 | 
						|
    $form .= '  </div>';
 | 
						|
 | 
						|
    $form .= '<div class="row">';
 | 
						|
    $form .= '	<div class="label"></div>';
 | 
						|
    $form .= '	<div class="formw">';
 | 
						|
    $form .= '		<button type="submit" class="next" name="move_file_submit">'.get_lang('MoveElement').'</button>';
 | 
						|
    $form .= '	</div>';
 | 
						|
    $form .= '</div>';
 | 
						|
 | 
						|
    $form .= '</form>';
 | 
						|
 | 
						|
    $form .= '<div style="clear: both; margin-bottom: 10px;"></div>';
 | 
						|
 | 
						|
    return $form;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Gets the path translated with title of docs and folders
 | 
						|
 * @param string the real path
 | 
						|
 * @return the path which should be displayed
 | 
						|
 */
 | 
						|
function get_titles_of_path($path) {
 | 
						|
    global $tmp_folders_titles;
 | 
						|
    $course_id = api_get_course_int_id();
 | 
						|
 | 
						|
    $nb_slashes = substr_count($path, '/');
 | 
						|
    $tmp_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($current_dir_id) {
 | 
						|
    global $document_id;
 | 
						|
    
 | 
						|
    $form = new FormValidator('create_dir_form', 'post', '', '', null, false);
 | 
						|
    $form->addElement('hidden', 'dir_id', intval($document_id));
 | 
						|
    $form->addElement('hidden', 'id', intval($current_dir_id));    
 | 
						|
    $form->addElement('header', '', get_lang('CreateDir'));    
 | 
						|
    $form->addElement('text', 'dirname', get_lang('NewDir'));
 | 
						|
    $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).'/';
 | 
						|
    $main_user_shared_folder = '/shared_folder\/sf_user_'.$user_id.'\//';//for security does not remove the last slash
 | 
						|
    $main_user_shared_folder_session='/shared_folder_session_'.$current_session_id.'\/sf_user_'.$user_id.'\//';//for security does not remove the last slash
 | 
						|
 | 
						|
    if (preg_match($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;
 | 
						|
} |