create visualisation service rers #268

Controller/CustomFieldsGroupController.php

@@ -242,18 +242,28 @@ class CustomFieldsGroupController extends Controller
         }
     
         $form = $this->createForm('custom_field', null, array('group' => $entity));
-        $form->add('submit', 'submit', array('label' => 'POST'));
+        $form->add('submit_dump', 'submit', array('label' => 'POST AND DUMP'));
+        $form->add('submit_render','submit', array('label' => 'POST AND RENDER'));
         $form->handleRequest($request);
         
-        if ($form->isSubmitted()) {
-            var_dump($form->getData());
-            var_dump(json_encode($form->getData()));
-        }
-    
         $this->get('twig.loader')
         ->addPath(__DIR__.'/../Tests/Fixtures/App/app/Resources/views/',
             $namespace = 'test');
         
+        if ($form->isSubmitted()) {
+            if ($form->get('submit_render')->isClicked()) {
+                return $this->render('ChillCustomFieldsBundle:CustomFieldsGroup:render.html.twig', array(
+                    'fields' => $form->getData(),
+                    'customFieldsGroup' => $entity
+                ));
+            }
+            
+            var_dump($form->getData());
+            var_dump(json_encode($form->getData()));
+        }
+    
+        
+    
         return $this
             ->render('@test/CustomField/simple_form_render.html.twig', array(
                 'form' => $form->createView()

CustomFields/CustomFieldText.php

@@ -8,6 +8,7 @@ use Chill\CustomFieldsBundle\CustomFields\CustomFieldInterface;
 use Chill\CustomFieldsBundle\Entity\CustomField;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Bundle\TwigBundle\TwigEngine;
 
 /**
  * 
@@ -19,9 +20,17 @@ class CustomFieldText implements CustomFieldInterface
     
     private $requestStack;
     
-    public function __construct(RequestStack $requestStack)
+    /**
+     * 
+     * @var TwigEngine
+     */
+    private $templating;
+    
+    
+    public function __construct(RequestStack $requestStack, TwigEngine $templating)
     {
         $this->requestStack = $requestStack;
+        $this->templating = $templating;
     }
     
     const MAX_LENGTH = 'maxLength';
@@ -47,7 +56,8 @@ class CustomFieldText implements CustomFieldInterface
 
     public function render($value, CustomField $customField)
     {
-        
+        return $this->templating
+            ->render('ChillCustomFieldsBundle:CustomFieldsRendering:text.html.twig', array('text' => $value));
     }
 
     public function serialize($value, CustomField $customField)

Resources/config/services.yml

@@ -39,6 +39,7 @@ services:
         class: Chill\CustomFieldsBundle\CustomFields\CustomFieldText
         arguments:
             - "@request_stack"
+            - "@templating"
         tags:
             - { name: 'chill.custom_field', type: 'text' }
             
@@ -68,3 +69,16 @@ services:
             - "@request_stack"
         tags:
             - { name: 'chill.custom_field', type: 'title' }
+            
+    chill.custom_field.helper:
+        class: Chill\CustomFieldsBundle\Service\CustomFieldsHelper
+        arguments:
+            - "@doctrine.orm.entity_manager"
+            - "@chill.custom_field.provider"
+            
+    chill.custom_field.twig.custom_fields_rendering:
+        class: Chill\CustomFieldsBundle\Templating\Twig\CustomFieldRenderingTwig
+        calls:
+            - [setContainer, ["@service_container"]]
+        tags:
+            - { name: twig.extension }

Resources/views/CustomField/render_label.html.twig

@@ -0,0 +1 @@
+{{ customField.name(app.request.locale) }}

Resources/views/CustomFieldsGroup/render.html.twig

@@ -0,0 +1,7 @@
+<dl class="custom_fields_group_rendering">
+    <span class="custom_fields_group_name">{{ customFieldsGroup.name(app.request.locale) }}</span>
+    {% for customField in customFieldsGroup.customFields %}
+    <dt>{{ chill_custom_field_label(customField) }}</dt>
+    <dd>{{ chill_custom_field_widget(fields, customField) }}</dd>
+    {% endfor %}
+</dl>

Resources/views/CustomFieldsRendering/text.html.twig

@@ -0,0 +1 @@
+{{ text }}

Service/CustomFieldsHelper.php

@@ -0,0 +1,126 @@
+<?php
+
+namespace Chill\CustomFieldsBundle\Service;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Chill\CustomFieldsBundle\Service\CustomFieldProvider;
+use Chill\CustomFieldsBundle\Entity\CustomFieldsGroup;
+use Chill\CustomFieldsBundle\Entity\CustomField;
+use Symfony\Bundle\TwigBundle\TwigEngine;
+
+/**
+ * 
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ *
+ */
+class CustomFieldsHelper
+{
+    /**
+     * 
+     * @var EntityManagerInterface
+     */
+    private $em;
+    
+    /**
+     * 
+     * @var CustomFieldProvider
+     */
+    private $provider;
+    
+    
+    /**
+     * 
+     * @var array
+     */
+    private $cache = array();
+    
+    
+    public function __construct(EntityManagerInterface $em, CustomFieldProvider $provider)
+    {
+        $this->em = $em;
+        $this->provider = $provider;
+    }
+    
+    /**
+     * 
+     * @param object|string $class
+     */
+    private function _cacheCustomFields($class)
+    {
+        $customFieldsGroups = $this->em->getRepository('ChillCustomFieldsBundle:CustomFieldsGroup')
+            ->findBy(array('entity' => (is_string($class)) ? $class : get_class($class)));
+        
+        if (!$customFieldsGroups) {
+            throw CustomFieldsHelperException::customFieldsGroupNotFound((is_string($class)) ? $class : get_class($class));
+        }
+        
+        foreach ($customFieldsGroup as $cfGroup) {
+            $this->_cacheCustomFields($cfGroup);
+        }
+    }
+    /**
+     * 
+     * @param CustomFieldsGroup $group
+     */
+    private function _cacheCustomFieldsGroup(CustomFieldsGroup $group)
+    {
+        foreach ($group->getCustomFields() as $field) {
+            $this->cache[$group->getEntity()][$field->getSlug()] = $field;
+        }
+    }
+    
+    /**
+     * 
+     * @param object|string $class
+     * @param string $slug If the slug is null, throw a proper CustomFieldsHelperException
+     * @return CustomField
+     * @throws CustomFieldsHelperException if $slug is null
+     */
+    public function getCustomField($class, $slug = null)
+    {
+        if (!$slug) {
+            throw CustomFieldsHelperException::slugIsMissing();
+        }
+        
+        $resolveClass = (is_string($class)) ? $class : get_class($class);
+        if (!$this->cache[$resolveClass][$slug]) {
+            $this->_cacheCustomFields($resolveClass);
+        }
+        
+        return $this->cache[$resolveClass][$slug];
+    }
+    
+    /**
+     * 
+     * @param array $fields
+     * @param object|string $class
+     * @param string $slug
+     * @return mixed|null null if the slug is not recorded
+     */
+    private function getCustomFieldValue(array $fields, $class, $slug)
+    {
+        return (isset($fields[$slug])) ? $this->provider
+            ->getCustomFieldByType($this->getCustomField($class, $slug)->getType())
+            ->deserialize($fields[$slug]) 
+            : null;
+    }
+    
+    /**
+     * 
+     * @param array $fields the **raw** array, as stored in the db
+     * @param CustomField|object|string $classOrCustomField the object OR the get_class($object) string OR The CustomField
+     * @param string slug The Slug to render, if CustomField is not Given
+     * @param string $slug the slug you want to render. The html is be safe.
+     * @throws CustomFieldsHelperException if slug is missing
+     */
+    public function renderCustomField(array $fields, $classOrCustomField, $slug = null)
+    {
+        $customField = ($classOrCustomField instanceof CustomField) ? $classOrCustomField : $this->getCustomField($classOrCustomField, $slug);
+        $slug = $customField->getSlug();
+        $rawValue = (isset($fields[$slug])) ? $fields[$slug] : null;
+        
+        return $this->provider->getCustomFieldByType($customField->getType())
+            ->render($rawValue, $customField);
+    }
+    
+}

Service/CustomFieldsHelperException.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Chill\CustomFieldsBundle\Service;
+
+class CustomFieldsHelperException extends \Exception
+{
+    public static function customFieldsGroupNotFound($entity) 
+    {
+        return new CustomFieldsRenderingException("The customFieldsGroups associated with $entity are not found");
+    }
+    
+    public static function slugIsMissing()
+    {
+        return new CustomFieldsRenderingException("The slug is missing");
+    }
+}

Templating/Twig/CustomFieldRenderingTwig.php

@@ -0,0 +1,102 @@
+<?php
+namespace Chill\CustomFieldsBundle\Templating\Twig;
+
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Chill\CustomFieldsBundle\Service\CustomFieldsHelper;
+use Symfony\Component\DependencyInjection\Container;
+use Chill\CustomFieldsBundle\Entity\CustomField;
+
+/**
+ *
+ * Add three functions to Twig:
+ * * chill_custom_field_widget : render the value of the custom field,
+ * * chill_custom_field_label : render the label of the custom field,
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ *        
+ */
+class CustomFieldRenderingTwig extends \Twig_Extension implements ContainerAwareInterface
+{
+
+    /**
+     *
+     * @var Container
+     */
+    private $container;
+    
+    private $defaultParams = array(
+        'label_layout' => 'ChillCustomFieldsBundle:CustomField:render_label.html.twig'
+    );
+    
+    /*
+     * (non-PHPdoc)
+     * @see \Symfony\Component\DependencyInjection\ContainerAwareInterface::setContainer()
+     */
+    public function setContainer(ContainerInterface $container = null)
+    {
+        $this->container = $container;
+    }
+    
+    /*
+     * (non-PHPdoc)
+     * @see Twig_Extension::getFunctions()
+     */
+    public function getFunctions()
+    {
+        return [
+            new \Twig_SimpleFunction('chill_custom_field_widget', array(
+                $this,
+                'renderWidget'
+            ), array(
+                'is_safe' => array(
+                    'html'
+                )
+            )),
+            new \Twig_SimpleFunction('chill_custom_field_label', array(
+                $this,
+                'renderLabel'
+            ), array(
+                'is_safe' => array(
+                    'html'
+                )
+            ))
+        ];
+    }
+    
+    
+     /* (non-PHPdoc)
+      * @see Twig_ExtensionInterface::getName()
+      */
+     public function getName() 
+     {
+         return 'chill_custom_fields_rendering';
+     }
+
+
+    /**
+     * 
+     * @param CustomField|object|string $customFieldOrClass
+     * @param string $slug
+     * @param array $params the parameters for rendering
+     */
+    public function renderLabel($customFieldOrClass, $slug = null, array $params = array())
+    {
+        $resolvedParams = array_merge($this->defaultParams, $params);
+        
+        $customField = ($customFieldOrClass instanceof CustomField) 
+            ? $customFieldOrClass : $this->container->get('chill.custom_field.provider')
+                ->getCustomField($customFieldOrClass, $slug);
+        
+        return $this->container->get('templating')
+            ->render($resolvedParams['label_layout'], array('customField' => $customField));
+    }
+    
+    public function renderWidget(array $fields, $customFieldOrClass, $slug = null)
+    {
+        return $this->container->get('chill.custom_field.helper')
+            ->renderCustomField($fields, $customFieldOrClass, $slug);
+    }
+    
+    
+}