hardcoded change: enclose equal types of content elements

app/modules/ceimage.php

             $class = 'full';
         }
         if (isset($request[3])) {
-            $width=self::is_width($request[3]) ? $request[3] : false;
+            $width=self::is_width($request[3]) ? $request[3] : null;
         }
 
         if ($image) {

app/modules/filesinfolders.php

                 foreach($this->structs[$domain_key]['tpl'] as $key=>$file) {
                     $str = \Template::instance()->render(substr($file,7));
                     $str = self::linkify($str);
-                    $this->content[$domain][$key."00tpl"] = sprintf(
+                    $this->content[$domain][$key."00.tpl"] = sprintf(
                         "<div class=\"item %s %s\">%s</div>",
                         '',
                         $key,
                     $image_include_version = 2;
                     switch ($image_include_version) {
                     case 1:
-                        $this->content[$domain][$key."10image"] = sprintf(
+                        $this->content[$domain][$key."10.image"] = sprintf(
                             "<img class=\"bulkImportedImage $bulkIncludePic\" src=\"/$file\" />"
                         );
                         break;
                     case 2:
                         $module = new CEimage(['image',$file,$bulkIncludePic,'gallery']);
-                        $this->content[$domain][$key."10image"] = $module->index();
+                        $this->content[$domain][$key."10.image"] = $module->index();
                         unset($module);
                         break;
                     case 3:
                               ;
             if ($bulkIncludeAudio) {
                 foreach ($this->structs[$domain_key]['audio'] as $key=>$file) {
-                    $this->content[$domain][$key."20audio"] = sprintf(
+                    $this->content[$domain][$key."20.audio"] = sprintf(
                         '<a href="%s" class="audio">%s</a><br>',
                         $file, $key
                     );
                     $str .= sprintf("<tr>%s</tr>",$tmp);
                 }
                 $str.="</table>";
-                $this->content[$domain][$key."30csv"] = $str;
+                $this->content[$domain][$key."30.csv"] = $str;
+            }
+
+            $content_order = 2;
+            switch ($content_order) {
+            case 0:
+                // don't do any processing
+                // content types appear together
+                // but are not enclosed in a div
+                break;
+            case 1;
+                // all content files appear in alphabetical order
+                ksort($this->content[$domain]);
+                break;
+            case 2:
+                // all content files appear in alphabetical order
+                // groups of same content types are enclosed in a div
+                ksort($this->content[$domain]);
+
+                $prev = null;
+                foreach ($this->content[$domain] as $key=>$value) {
+                    $html = "";
+                    $type = array_pop(explode('.',$key));
+
+                    if ($type == $prev) {
+                        continue;
+                    } elseif ($prev != null) {
+                        $html = "</div>";
+                    }
+                    $html .= "<div class=\"source-file-type-$type-container\">";
+
+                    $this->content[$domain][$key] = $html.$value;
+
+                    $prev = $type;
+                }
+                $this->content[$domain][] = "</div>";
             }
         }
     }