Add file page link model when not on file page

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

includes/GlModelTransformOutput.php

@@ -4,7 +4,7 @@ namespace MediaWiki\Extension\GlModelViewer;
 use MediaWiki\MediaWikiServices;
 use MediaTransformOutput;
 use ConfigFactory;
-use OutputPage;
+use RequestContext;
 use Html;
 
 class GlModelTransformOutput extends MediaTransformOutput {
@@ -99,6 +99,8 @@ class GlModelTransformOutput extends MediaTransformOutput {
         //Gather basic data
         $hsSet = (isset($metadata['annotationSets']) && isset($metadata['annotationSets'][$this->hsset])) ? $this->hsset : 'default';
         $view = (isset($metadata['viewerConfig']) && isset($metadata['viewerConfig'][$this->view])) ? $this->view : 'default';
+        $mainConfig = ConfigFactory::getDefaultInstance()->makeConfig( 'main' );
+        $context = RequestContext::getMain();
 
         //Handle annotations and annotation sets
         if (isset($metadata['annotations'])) {
@@ -162,7 +164,6 @@ class GlModelTransformOutput extends MediaTransformOutput {
                 if ($posterFile) {
                     $attrModelView['poster'] = $posterFile->getFullUrl();
                     $attrModelView['reveal'] = 'manual';
-                    $mainConfig = ConfigFactory::getDefaultInstance()->makeConfig( 'main' );
                     $interactUrl = $mainConfig->get( 'ExtensionAssetsPath' ) . '/GlModelViewer/resources/interact.svg';
                     $attrInteractButton = array (
                         'class' => 'glmv-act-button',
@@ -184,6 +185,16 @@ class GlModelTransformOutput extends MediaTransformOutput {
         $elModel = Html::rawElement('model-viewer', $attrModelView, $hotspotHtml);
         $elMenu = self::buildViewMenu();
 
+        $elFileLink = '';
+        if (!isset($viewParams['preview']) && $context->getTitle() != $this->file->getTitle()) {
+            $attrFileLink = array(
+                'class' => 'glmv-file-link',
+                'href' => $this->file->getDescriptionUrl()
+            );
+            $fileLinkUrl = $mainConfig->get( 'ExtensionAssetsPath' ) . '/GlModelViewer/resources/file_link.svg';
+            $elFileLink = Html::rawElement('a', $attrFileLink, '<img src="' . $fileLinkUrl . '"></image>');
+        }
+
         //Render and return container element with model-viewer
         $attrContainer = array(
             'class' => 'glmv-container',
@@ -193,7 +204,7 @@ class GlModelTransformOutput extends MediaTransformOutput {
             'onfullscreenchange' => 'toggleFullScreen(event)'
         );
 
-        return Html::rawElement('div', $attrContainer, $elModel . $elMenu . $interactButton);
+        return Html::rawElement('div', $attrContainer, $elModel . $elMenu . $elFileLink . $interactButton);
     }
 
     /**

modules/glmv.css

@@ -185,6 +185,12 @@
     margin: 2px;
 }
 
+.glmv-file-link {
+    position: absolute;
+    right: 0;
+    bottom: 0;
+}
+
 @media (pointer: coarse)  {
     .Hotspot {
         width: 1.25em;

resources/file_link.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="20px" viewBox="0 -960 960 960" width="20px" fill="#5f6368"><path d="M263.72-96Q234-96 213-117.15T192-168v-624q0-29.7 21.16-50.85Q234.32-864 264.04-864h432.24Q726-864 747-842.85T768-792v624q0 29.7-21.16 50.85Q725.68-96 695.96-96H263.72Zm.28-72h432v-624H264v624Zm48-72h336L528-400l-84 112-48-64-84 112Zm-48 72v-624 624Z"/></svg>