adds item source link and item subtitile

config/module.config.php

@@ -30,6 +30,7 @@ return [
     'DefaultSettings' => [
         'SketchfabBlockForm' => [
             'title' => '',
+            'renderSourceLink' => true,
             'width' => 600,
             'ratio' => '2',
             'wrapStyle' => 'overflow-y: hidden;display: flex;flex-direction: column;justify-content: center;',

src/Form/SketchfabBlockForm.php

@@ -29,5 +29,24 @@ class SketchfabBlockForm extends Form
 			],
 		]);
 
+		$this->add([
+		    'type' => Element\Checkbox::class,
+		    'name' => 'o:block[__blockIndex__][o:data][renderSourceLink]',
+		    'options' => [
+		        'label' => 'Display a link to the item',
+		        //'use_hidden_element' => true,
+		        'checked_value' => true,
+		        'unchecked_value' => false,
+		    ],
+		]);
+
+		$this->add([
+			'name' => 'o:block[__blockIndex__][o:data][title]',
+			'type' => Element\Text::class,
+      'options' => [
+				'label' => 'Sub-title',
+			]
+		]);
+		
 	}
 }

src/Site/BlockLayout/Sketchfab.php

@@ -50,6 +50,7 @@ class Sketchfab extends AbstractBlockLayout
 			'o:block[__blockIndex__][o:data][title]' => $data['title'],
 			'o:block[__blockIndex__][o:data][width]' => $data['width'],
 			'o:block[__blockIndex__][o:data][ratio]' => $data['ratio'],
+      'o:block[__blockIndex__][o:data][renderSourceLink]' => $data['renderSourceLink'],
 		]);
 		$form->prepare();
 
@@ -78,7 +79,9 @@ class Sketchfab extends AbstractBlockLayout
     //$height = $width / $block->dataValue('ratio');
     $height = $width / 1.333;
     return $view->partial('common/block-layout/sketchfab', [
-      'title' => false,
+      'title' => $block->dataValue('title'),
+      'renderSourceLink' => $block->dataValue('renderSourceLink'),
+      'item_url' => $attachments[0]->item()->url(),
       'width' => $width,
       'height' => $height,
       'sketchfab_iframe' => $media->mediaData()['html'],

view/common/block-layout/sketchfab.phtml

@@ -1,15 +1,19 @@
 <div class="sketchfab-wrap" style="position:relative;">
 
-	<?php
-		if ($title !== false && $title !== "") {
-			$title = sprintf('<p id="sketchfab-title">%s</p>', $title);
-		} else {
-			$title = false;
-		}
-	?>
+	<?php if ($renderSourceLink) { ?>
+		<div class="source-link">
+			<a href="<?= $item_url ?>">Source</a>
+		</div>
+	<?php } ?>
 
 	<?= $sketchfab_iframe ?>
 
+	<?php if ($title) { ?>
+	<div class="item_title">
+		<?= $title ?>
+	</div>
+	<?php } ?>
+
 </div>