Changed the rendered API to return DOMDocuments.

FedoraConnectorPlugin.php

@@ -229,7 +229,8 @@ public function filterAdminNavigationMain($tabs)
      */
     public function hookAdminItemsShow()
     {
-        echo fc_displayObject(get_current_record('item'));
+        $dom = fc_displayObject(get_current_record('item'));
+        echo $dom->saveHTML();
     }
 
 

helpers/FedoraConnectorFunctions.php

@@ -15,7 +15,7 @@
  *
  * @param Item $item The item.
  * @param array $params Options for the renderer.
- * @return string|null The Fedora object markup.
+ * @return DOMDocument|null The Fedora object markup.
  */
 function fc_displayObject($item=null, $params=array()) {
 

libraries/FedoraConnector/AbstractRenderer.php

@@ -27,7 +27,7 @@ abstract function canDisplay($datastream);
      * This displays a datastream.
      *
      * @param Omeka_Record $datastream The data stream.
-     * @return string The display HTML for the datastream.
+     * @return DOMDocument The HTML DOM for the datastream.
      */
     abstract function display($datastream, $params = null);
 

libraries/FedoraConnector/Render.php

@@ -40,7 +40,7 @@ public function __construct($rendererDir = null)
      * Render a datastream.
      *
      * @param Omeka_Record $object The Fedora object record.
-     * @return string|null The output of the renderer.
+     * @return DOMDocument|null The output of the renderer.
      */
     public function display($object, $params = null) {
 

renderers/000-Jp2.php

@@ -30,7 +30,7 @@ function canDisplay($mimeType)
      * Displays an object.
      *
      * @param Omeka_Record $object The Fedora object record.
-     * @return string The display HTML for the datastream.
+     * @return DOMDocument The HTML DOM for the datastream.
      */
     function display($object, $params = array())
     {
@@ -44,24 +44,27 @@ function display($object, $params = array())
      * @param Omeka_Record $object The Fedora object record.
      * @param string $size The size to scale the image to.
      *
-     * @return string The HTML for the image.
+     * @return DOMDocument The HTML DOM for the image.
      */
     private function _display($object, $params = array())
     {
+        if (empty($params))
+            $params = array('scale' => '400,0');
 
-        // Default parameters.
-        if (empty($params)) $params = array('scale' => '400,0');
-
-        // Get server.
         $server = $object->getServer();
 
-        // Construct image URL.
         $url = "{$server->url}/{$server->getService()}/{$object->pid}" .
-            "/methods/djatoka:jp2SDef/getRegion?". http_build_query($params);
+            "/methods/djatoka:jp2SDef/getRegion?" . http_build_query($params);
+
+        $dom  = new DOMDocument();
+        $node = $dom->createElement('img');
+        $dom ->appendChild($node);
+        $node->setAttribute('class', 'fedora-renderer');
+        $node->setAttribute('alt', 'image');
+        $node->setAttribute('src', $url);
 
-        // Return the image tag.
-        return "<img class='fedora-renderer' alt='image' src='{$url}' />";
 
+        return $dom;
     }
 
 

renderers/100-Image.php

@@ -35,17 +35,20 @@ function canDisplay($mimeType) {
      * Display an object.
      *
      * @param Omeka_Record $object The Fedora object record.
-     * @return string The display HTML for the datastream.
+     * @return DOMDocument The HTML DOM for the datastream.
      */
     function display($object, $params = array()) {
-
-        // Construct the image URL.
         $url = "{$object->getServer()->url}/objects/{$object->pid}" .
             "/datastreams/SCREEN/content";
 
-        // Return the image tag.
-        return "<img class='fedora-renderer' alt='image' src='{$url}' />";
+        $dom  = new DOMDocument();
+        $node = $dom->createElement('img');
+        $dom ->appendChild($node);
+        $node->setAttribute('class', 'fedora-renderer');
+        $node->setAttribute('alt', 'image');
+        $node->setAttribute('src', $url);
 
+        return $dom;
     }