Minor - format code, fix php path

main/document/download.php

@@ -82,7 +82,7 @@ if (isset($path_info['extension']) && $path_info['extension'] == 'swf') {
 }
 
 if (Security::check_abs_path($sys_course_path.$doc_url, $sys_course_path.'/')) {
-    $full_file_name = $sys_course_path.$doc_url;
+    $fullFileName = $sys_course_path.$doc_url;
     if ($fix_file_name) {
         $doc_url = $fixed_url;
     }
@@ -102,8 +102,8 @@ if (Security::check_abs_path($sys_course_path.$doc_url, $sys_course_path.'/')) {
     }
     // Launch event
     Event::event_download($doc_url);
-    $download = (!empty($_GET['dl']) ? true : false);
-    $result = DocumentManager::file_send_for_download($full_file_name, $download);
+    $download = !empty($_GET['dl']) ? true : false;
+    $result = DocumentManager::file_send_for_download($fullFileName, $download);
     if ($result === false) {
         api_not_allowed(true);
     }

main/document/edit_paint.php

@@ -39,14 +39,14 @@ if (empty($document_data)) {
 
 //and urlencode each url $curdirpath (hack clean $curdirpath under Windows - Bug #3261)
 $dir = str_replace('\\', '/', $dir);
+if (empty($dir)) {
+    $dir = '/';
+}
 
 /* Constants & Variables */
 $current_session_id = api_get_session_id();
 //path for pixlr save
 Session::write('paint_dir', Security::remove_XSS($dir));
-if ($dir == '/') {
-    Session::write('paint_dir', '');
-}
 Session::write('paint_file', basename(Security::remove_XSS($file_path)));
 $get_file = Security::remove_XSS($file_path);
 $file = basename($get_file);

main/document/save_pixlr.php

@@ -136,10 +136,10 @@ if (empty($temp_file_2delete)) {
     }
 
     $documentPath = $saveDir.'/'.$paintFileName;
-    //add new document to disk
+    // Add new document to disk
     file_put_contents($documentPath, $contents);
-    //add document to database
-    $documentId = add_document($courseInfo, $paintDir.'/'.$paintFileName, 'file', filesize($documentPath), $title);
+    // Add document to database
+    $documentId = add_document($courseInfo, $paintDir.$paintFileName, 'file', filesize($documentPath), $title);
     if ($documentId) {
         api_item_property_update(
             $courseInfo,
@@ -167,7 +167,7 @@ if (empty($temp_file_2delete)) {
         exit;
     }
     if ($paintFile == $paintFileName) {
-        $documentId = DocumentManager::get_document_id($courseInfo, $paintDir.'/'.$paintFileName);
+        $documentId = DocumentManager::get_document_id($courseInfo, $paintDir.$paintFileName);
         update_existing_document($courseInfo, $documentId, filesize($documentPath), null);
         api_item_property_update(
             $courseInfo,
@@ -185,7 +185,7 @@ if (empty($temp_file_2delete)) {
         //add a new document
         $documentId = add_document(
             $courseInfo,
-            $paintDir.'/'.$paintFileName,
+            $paintDir.$paintFileName,
             'file',
             filesize($documentPath),
             $title