Merge pull request doctrine#67 from stof/forms

Refactored the form integration to use the bridge

Form/ChoiceList/MongoDBQueryBuilderLoader.php

@@ -0,0 +1,71 @@
+<?php
+
+/*
+ * This file is part of the Doctrine MongoDBBundle
+ *
+ * The code was originally distributed inside the Symfony framework.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ * (c) Doctrine Project
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Doctrine\Bundle\MongoDBBundle\Form\ChoiceList;
+
+use Doctrine\Common\Persistence\ObjectManager;
+use Doctrine\ODM\MongoDB\Query\Builder;
+use Symfony\Bridge\Doctrine\Form\ChoiceList\EntityLoaderInterface;
+use Symfony\Component\Form\Exception\FormException;
+use Symfony\Component\Form\Exception\UnexpectedTypeException;
+
+/**
+ * Getting Entities through the MongoDB QueryBuilder
+ */
+class MongoDBQueryBuilderLoader implements EntityLoaderInterface
+{
+    /**
+     * Contains the query builder that builds the query for fetching the
+     * entities
+     *
+     * This property should only be accessed through queryBuilder.
+     *
+     * @var Builder
+     */
+    private $queryBuilder;
+
+    /**
+     * Construct an ORM Query Builder Loader
+     *
+     * @param Builder|\Closure $queryBuilder
+     * @param ObjectManager $manager
+     * @param string $class
+     */
+    public function __construct($queryBuilder, ObjectManager $manager = null, $class = null)
+    {
+        // If a query builder was passed, it must be a closure or QueryBuilder
+        // instance
+        if (!($queryBuilder instanceof Builder || $queryBuilder instanceof \Closure)) {
+            throw new UnexpectedTypeException($queryBuilder, 'Doctrine\ODM\MongoDB\Query\Builder or \Closure');
+        }
+
+        if ($queryBuilder instanceof \Closure) {
+            $queryBuilder = $queryBuilder($manager->getRepository($class));
+
+            if (!$queryBuilder instanceof Builder) {
+                throw new UnexpectedTypeException($queryBuilder, 'Doctrine\ODM\MongoDB\Query\Builder');
+            }
+        }
+
+        $this->queryBuilder = $queryBuilder;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getEntities()
+    {
+        return $this->queryBuilder->getQuery()->execute();
+    }
+}