adds image header to item page

view/omeka/site/item/show.phtml

@@ -7,6 +7,28 @@ $itemMedia = $item->media();
 $showLayout = $this->themeSetting('show_layout');
 ?>
 
+<?php
+$site->pages();
+// set header image
+$img_src = $this->getHelperPluginManager()->get('archiveSiteMeta')->getSiteImage($site);
+if ($img_src) {
+?>
+  <style>
+  #archive_header_img {
+     background:url("<?= $img_src ?>") no-repeat;
+     width:100%;
+     height:100px;
+  }
+  </style>
+<?php } else { ?>
+  <style>
+  #archive_header_img {
+     display: none;
+  }
+  </style>
+<?php } ?>
+
+
 <div class="resource-title">
 <?php echo $this->pageTitle($item->displayTitle(), 2); ?>
 <h3 class="label"><?php echo $translate('Item'); ?></h3>