[Form] Added first version of FormFactory, ValuePlugin and ParentNamePlugin

src/Symfony/Component/Form/Field.php

@@ -15,6 +15,7 @@ use Symfony\Component\Form\ValueTransformer\ValueTransformerInterface;
 use Symfony\Component\Form\ValueTransformer\TransformationFailedException;
 use Symfony\Component\Form\DataProcessor\DataProcessorInterface;
 use Symfony\Component\Form\Renderer\RendererInterface;
+use Symfony\Component\Form\Renderer\Plugin\PluginInterface;
 
 /**
  * Base class for form fields
@@ -417,6 +418,8 @@ class Field extends Configurable implements FieldInterface
     protected function setNormalizationTransformer(ValueTransformerInterface $normalizationTransformer)
     {
         $this->normalizationTransformer = $normalizationTransformer;
+
+        return $this;
     }
 
     /**
@@ -437,6 +440,8 @@ class Field extends Configurable implements FieldInterface
     protected function setValueTransformer(ValueTransformerInterface $valueTransformer)
     {
         $this->valueTransformer = $valueTransformer;
+
+        return $this;
     }
 
     /**
@@ -457,6 +462,8 @@ class Field extends Configurable implements FieldInterface
     protected function setDataProcessor(DataProcessorInterface $dataProcessor)
     {
         $this->dataProcessor = $dataProcessor;
+
+        return $this;
     }
 
     /**
@@ -477,6 +484,8 @@ class Field extends Configurable implements FieldInterface
     public function setRenderer(RendererInterface $renderer)
     {
         $this->renderer = $renderer;
+
+        return $this;
     }
 
     /**
@@ -489,6 +498,13 @@ class Field extends Configurable implements FieldInterface
         return $this->renderer;
     }
 
+    public function addRendererPlugin(PluginInterface $plugin)
+    {
+        $this->renderer->addPlugin($plugin);
+
+        return $this;
+    }
+
     /**
      * Normalizes the value if a normalization transformer is set
      *

src/Symfony/Component/Form/FormFactory.php

@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form;
+
+use Symfony\Component\Form\ValueTransformer\BooleanToStringTransformer;
+use Symfony\Component\Form\Renderer\DefaultRenderer;
+use Symfony\Component\Form\Renderer\Plugin\IdPlugin;
+use Symfony\Component\Form\Renderer\Plugin\NamePlugin;
+use Symfony\Component\Form\Renderer\Plugin\ValuePlugin;
+
+class FormFactory
+{
+    private $theme;
+
+    public function setTheme(ThemeInterface $theme)
+    {
+        $this->theme = $theme;
+    }
+
+    public function getTheme()
+    {
+        return $this->theme;
+    }
+
+    protected function getField($name, $template)
+    {
+        $field = new Field($name);
+
+        return $field
+            ->setRenderer(new DefaultRenderer($this->theme, $template))
+            ->addRendererPlugin(new IdPlugin($field))
+            ->addRendererPlugin(new NamePlugin($field));
+    }
+
+    public function getCheckboxField($name, $value = '1')
+    {
+        return $this->getField($name, 'checkbox')
+            ->setValueTransformer(new BooleanToStringTransformer())
+            ->addRendererPlugin(new ValuePlugin($value));
+    }
+
+    public function getRadioField($name)
+    {
+        $field = $this->getField($name, 'radio');
+
+        return $field
+            ->setValueTransformer(new BooleanToStringTransformer())
+            ->addRendererPlugin(new ParentNamePlugin($field));
+    }
+}

src/Symfony/Component/Form/Renderer/Plugin/ParentNamePlugin.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * For the full copyright and license infieldation, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Renderer\Plugin;
+
+use Symfony\Component\Form\Renderer\RendererInterface;
+use Symfony\Component\Form\FieldInterface;
+
+class ParentNamePlugin implements PluginInterface
+{
+    private $field;
+
+    public function __construct(FieldInterface $field)
+    {
+        $this->field = $field;
+    }
+
+    /**
+     * Renders the HTML enctype in the field tag, if necessary
+     *
+     * Example usage in Twig templates:
+     *
+     *     <field action="..." method="post" {{ field.render.enctype }}>
+     *
+     * @param Form $field   The field for which to render the encoding type
+     */
+    public function setUp(RendererInterface $renderer)
+    {
+        if ($this->field->hasParent()) {
+            $parentRenderer = $this->field->getParent()->getRenderer();
+            $renderer->setParameter('name', $parentRenderer->getParameter('name'));
+        }
+    }
+}

src/Symfony/Component/Form/Renderer/Plugin/ValuePlugin.php

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * For the full copyright and license infieldation, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Renderer\Plugin;
+
+use Symfony\Component\Form\Renderer\RendererInterface;
+
+class ValuePlugin implements PluginInterface
+{
+    private $value;
+
+    public function __construct($value = null)
+    {
+        $this->value = $value;
+    }
+
+    public function setUp(RendererInterface $renderer)
+    {
+        if (null !== $this->value) {
+            $renderer->setParameter('value', $this->value);
+        }
+    }
+}