1 files changed, 84 insertions, 0 deletions
diff --git a/library/Icinga/Web/Paginator/Adapter/QueryAdapter.php b/library/Icinga/Web/Paginator/Adapter/QueryAdapter.php
new file mode 100644
index 0000000..6f103e5
--- /dev/null
+++ b/library/Icinga/Web/Paginator/Adapter/QueryAdapter.php
@@ -0,0 +1,84 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Paginator\Adapter;
+
+use Zend_Paginator_Adapter_Interface;
+use Icinga\Data\QueryInterface;
+
+class QueryAdapter implements Zend_Paginator_Adapter_Interface
+{
+    /**
+     * The query being paginated
+     *
+     * @var QueryInterface
+     */
+    protected $query;
+
+    /**
+     * Item count
+     *
+     * @var int
+     */
+    protected $count;
+
+    /**
+     * Create a new QueryAdapter
+     *
+     * @param   QueryInterface  $query      The query to paginate
+     */
+    public function __construct(QueryInterface $query)
+    {
+        $this->setQuery($query);
+    }
+
+    /**
+     * Set the query to paginate
+     *
+     * @param   QueryInterface  $query
+     *
+     * @return  $this
+     */
+    public function setQuery(QueryInterface $query)
+    {
+        $this->query = $query;
+        return $this;
+    }
+
+    /**
+     * Return the query being paginated
+     *
+     * @return  QueryInterface
+     */
+    public function getQuery()
+    {
+        return $this->query;
+    }
+
+    /**
+     * Fetch and return the rows in the given range of the query result
+     *
+     * @param   int     $offset             Page offset
+     * @param   int     $itemCountPerPage   Number of items per page
+     *
+     * @return  array
+     */
+    public function getItems($offset, $itemCountPerPage)
+    {
+        return $this->query->limit($itemCountPerPage, $offset)->fetchAll();
+    }
+
+    /**
+     * Return the total number of items in the query result
+     *
+     * @return  int
+     */
+    public function count(): int
+    {
+        if ($this->count === null) {
+            $this->count = $this->query->count();
+        }
+
+        return $this->count;
+    }
+}