feature #28812 [Form] add a convenience method to get the parent form in Twig templates (xabbuh)

fabpot · fabpot · commit c6a2c3348fc3 · 2019-02-13T08:55:41.000+01:00
This PR was merged into the 4.3-dev branch. Discussion ---------- [Form] add a convenience method to get the parent form in Twig templates | Q | A | ------------- | --- | Branch? | master | Bug fix? | no | New feature? | yes | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Fixed tickets | #28686 | License | MIT | Doc PR | Commits ------- cb60642 add a convenience method to get the parent form in Twig templates
diff --git a/src/Symfony/Bridge/Twig/CHANGELOG.md b/src/Symfony/Bridge/Twig/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+4.3.0
+-----
+
+ * added the `parent_form()` function that allows to reliably retrieve the parent form in Twig templates
+
 4.2.0
 -----
 
diff --git a/src/Symfony/Bridge/Twig/Extension/FormExtension.php b/src/Symfony/Bridge/Twig/Extension/FormExtension.php
@@ -54,6 +54,7 @@ public function getFunctions()
             new TwigFunction('form_start', null, ['node_class' => 'Symfony\Bridge\Twig\Node\RenderBlockNode', 'is_safe' => ['html']]),
             new TwigFunction('form_end', null, ['node_class' => 'Symfony\Bridge\Twig\Node\RenderBlockNode', 'is_safe' => ['html']]),
             new TwigFunction('csrf_token', ['Symfony\Component\Form\FormRenderer', 'renderCsrfToken']),
+            new TwigFunction('parent_form', 'Symfony\Bridge\Twig\Extension\twig_get_parent_form'),
         ];
     }
 
@@ -115,3 +116,11 @@ function twig_is_root_form(FormView $formView)
 {
     return null === $formView->parent;
 }
+
+/**
+ * @internal
+ */
+function twig_get_parent_form(FormView $formView): ?FormView
+{
+    return $formView->parent;
+}

Original file line number	Diff line number	Diff line change
`@@ -54,6 +54,7 @@ public function getFunctions()`
`54`	`54`	`new TwigFunction('form_start', null, ['node_class' => 'Symfony\Bridge\Twig\Node\RenderBlockNode', 'is_safe' => ['html']]),`
`55`	`55`	`new TwigFunction('form_end', null, ['node_class' => 'Symfony\Bridge\Twig\Node\RenderBlockNode', 'is_safe' => ['html']]),`
`56`	`56`	`new TwigFunction('csrf_token', ['Symfony\Component\Form\FormRenderer', 'renderCsrfToken']),`
	`57`	`+ new TwigFunction('parent_form', 'Symfony\Bridge\Twig\Extension\twig_get_parent_form'),`
`57`	`58`	`];`
`58`	`59`	`}`
`59`	`60`
`@@ -115,3 +116,11 @@ function twig_is_root_form(FormView $formView)`
`115`	`116`	`{`
`116`	`117`	`return null === $formView->parent;`
`117`	`118`	`}`
	`119`	`+`
	`120`	`+/**`
	`121`	`+ * @internal`
	`122`	`+ */`
	`123`	`+function twig_get_parent_form(FormView $formView): ?FormView`
	`124`	`+{`
	`125`	`+ return $formView->parent;`
	`126`	`+}`