Adds link to exhibits containing each item in the item browse detail

functions.php

@@ -605,6 +605,22 @@ function exhibit_builder_search_record_types($recordTypes)
     return $recordTypes;
 }
 
+/**
+ * Show the Exhibits that each item is included in on the Item Browse page
+ * 
+ * @param array $args An array of parameters passed by the hook
+ * @return void
+ */
+function exhibit_builder_item_detail($args)
+{
+    $item = $args['item'];
+    $exhibits = get_db()->getTable('Exhibit')->findByItem($item->id);
+    foreach($exhibits as $exhibit)
+        echo('<p class="in-exhibit">Appears in Exhibit: <a href="'
+            .admin_url('exhibits/edit/'.$exhibit['id'])
+            .'">'.$exhibit['title'].'</a></p>');     
+}
+
 /**
  * Add exhibit title to item search filters.
  */

models/Table/Exhibit.php

@@ -120,6 +120,30 @@ public function findBySlug($slug)
         return $this->fetchObject($select, array($slug));
     }
 
+    /**
+     * Find all exhibits containing an item.
+     *
+     * @param string $slug
+     */
+    public function findByItem($item_id)
+    {
+        if(is_object($item_id))
+            $item_id = $item_id->id;
+        $db=$this->getDb();
+        $select = $this->getSelect()
+                       ->join(array('ep' => $db->ExhibitPage),
+                              '`exhibits`.id = ep.exhibit_id',
+                              array())
+                       ->join(array('epb' => $db->ExhibitPageBlock),
+                              'ep.id = epb.page_id',
+                              array())
+                       ->join(array('eba' => $db->ExhibitBlockAttachment),
+                              'epb.id = eba.block_id',
+                              array())
+                       ->where('eba.item_id = ?');
+        return $this->fetchObjects($select,array($item_id));
+    }
+
     /**
      * Find whether an exhibit has a specific item.
      *

plugin.ini

@@ -7,5 +7,5 @@ link="http://omeka.org/codex/Plugins/ExhibitBuilder_3.0"
 support_link="http://omeka.org/forums/forum/plugins"
 omeka_minimum_version="2.3"
 omeka_target_version="2.3"
-version="3.2.1"
+version="3.2.2"
 tags="exhibit, pages, presentation"

plugin.php

@@ -23,6 +23,7 @@
 add_plugin_hook('admin_items_search', 'exhibit_builder_items_search');
 add_plugin_hook('public_items_search', 'exhibit_builder_items_search');
 add_plugin_hook('html_purifier_form_submission', 'exhibit_builder_purify_html');
+add_plugin_hook('admin_items_browse_detailed_each', 'exhibit_builder_item_detail');
 
 add_filter('public_navigation_main', 'exhibit_builder_public_main_nav');
 add_filter('admin_navigation_main', 'exhibit_builder_admin_nav');