Add directory listing syntax

Output.php

@@ -91,6 +91,25 @@ class Output
         }
     }
 
+    /**
+     * Render a flat list (files and/or directories) as a table.
+     *
+     * @param array $params
+     * @return void
+     */
+    public function renderAsFlatTable($params)
+    {
+        if ($this->renderer instanceof \Doku_Renderer_xhtml) {
+            $this->renderer->doc .= '<div class="filetools-plugin">';
+        }
+
+        $this->renderTableItems($this->files, $params);
+
+        if ($this->renderer instanceof \Doku_Renderer_xhtml) {
+            $this->renderer->doc .= '</div>';
+        }
+    }
+
 
     /**
      * Renders the files as a table, including details if configured that way.
@@ -147,7 +166,11 @@ class Output
 
             if ($params['showsize']) {
                 $renderer->tablecell_open(1, 'right');
-                $renderer->cdata(filesize_h($item['size']));
+                if (!empty($item['isdir'])) {
+                    $renderer->cdata('');
+                } else {
+                    $renderer->cdata(filesize_h($item['size']));
+                }
                 $renderer->tablecell_close();
             }
 
@@ -217,6 +240,11 @@ class Output
 
     protected function renderItemLink($item, $cachebuster = false)
     {
+        if (!empty($item['isdir'])) {
+            $this->renderDirectoryLink($item);
+            return;
+        }
+
         if ($this->renderer instanceof \Doku_Renderer_xhtml) {
             $this->renderItemLinkXHTML($item, $cachebuster);
         } else {
@@ -224,6 +252,60 @@ class Output
         }
     }
 
+    /**
+     * Render a directory like a normal media link, but with open behaviour.
+     *
+     * @param array $item
+     * @return void
+     */
+    protected function renderDirectoryLink($item)
+    {
+        $caption = $item['name'] ?? '';
+        $path = $item['path'] ?? '';
+
+        if ($caption === '') {
+            $caption = '[n/a]';
+        }
+
+        if (!($this->renderer instanceof \Doku_Renderer_xhtml)) {
+            $this->renderer->cdata($caption);
+            return;
+        }
+
+        if (!is_string($path) || $path === '') {
+            $this->renderer->cdata('[n/a]');
+            return;
+        }
+
+        global $conf;
+        /** @var \Doku_Renderer_xhtml $renderer */
+        $renderer = $this->renderer;
+
+        $syntax = plugin_load('syntax', 'luxtools');
+        $serviceUrl = $syntax ? trim((string)$syntax->getConf('open_service_url')) : '';
+        $serviceToken = $syntax ? trim((string)$syntax->getConf('open_service_token')) : '';
+
+        // Prepare a DokuWiki-style media link with a folder icon class.
+        $link = [
+            'target' => $conf['target']['extern'],
+            'style' => '',
+            'pre' => '',
+            'suf' => '',
+            'name' => $caption,
+            'url' => '#',
+            'title' => $renderer->_xmlEntities($path),
+            'more' => ' class="filetools-open media mediafile mf_folder" data-path="' . hsc($path) . '"',
+        ];
+        if ($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
+        if ($serviceUrl !== '') {
+            $link['more'] .= ' data-service-url="' . hsc($serviceUrl) . '"';
+        }
+        if ($serviceToken !== '') {
+            $link['more'] .= ' data-service-token="' . hsc($serviceToken) . '"';
+        }
+        $renderer->doc .= $renderer->_formatLink($link);
+    }
+
     /**
      * Render a file link on the XHTML renderer
      */