[TwigBridge] Fix rendering of currency by MoneyType

Author: ro0NL

Extension/FormExtension.php

@@ -88,6 +88,7 @@ public function getFilters()
     {
         return array(
             new TwigFilter('humanize', array($this, 'humanize')),
+            new TwigFilter('form_encode_currency', array($this, 'encodeCurrency'), array('is_safe' => array('html'), 'needs_environment' => true)),
         );
     }
 
@@ -166,6 +167,22 @@ public function isRootForm(FormView $formView)
         return null === $formView->parent;
     }
 
+    /**
+     * @internal
+     */
+    public function encodeCurrency(Environment $environment, $text, $widget = '')
+    {
+        if ('UTF-8' === $charset = $environment->getCharset()) {
+            $text = htmlspecialchars($text, ENT_QUOTES | (\defined('ENT_SUBSTITUTE') ? ENT_SUBSTITUTE : 0), 'UTF-8');
+        } else {
+            $text = htmlentities($text, ENT_QUOTES | (\defined('ENT_SUBSTITUTE') ? ENT_SUBSTITUTE : 0), 'UTF-8');
+            $text = iconv('UTF-8', $charset, $text);
+            $widget = iconv('UTF-8', $charset, $widget);
+        }
+
+        return str_replace('{{ widget }}', $widget, $text);
+    }
+
     /**
      * {@inheritdoc}
      */

Resources/views/Form/bootstrap_3_layout.html.twig

@@ -25,11 +25,11 @@
     {% if prepend or append %}
         <div class="input-group">
             {% if prepend %}
-                <span class="input-group-addon">{{ money_pattern|replace({ '{{ widget }}':''}) }}</span>
+                <span class="input-group-addon">{{ money_pattern|form_encode_currency }}</span>
             {% endif %}
             {{- block('form_widget_simple') -}}
             {% if append %}
-                <span class="input-group-addon">{{ money_pattern|replace({ '{{ widget }}':''}) }}</span>
+                <span class="input-group-addon">{{ money_pattern|form_encode_currency }}</span>
             {% endif %}
         </div>
     {% else %}

Resources/views/Form/form_div_layout.html.twig

@@ -142,7 +142,7 @@
 {%- endblock integer_widget -%}
 
 {%- block money_widget -%}
-    {{ money_pattern|replace({ '{{ widget }}': block('form_widget_simple') })|raw }}
+    {{ money_pattern|form_encode_currency(block('form_widget_simple')) }}
 {%- endblock money_widget -%}
 
 {%- block url_widget -%}

Tests/Extension/FormExtensionBootstrap3LayoutTest.php

@@ -63,6 +63,31 @@ protected function tearDown()
         $this->extension = null;
     }
 
+    public function testMoneyWidgetInIso()
+    {
+        $environment = new Environment(new StubFilesystemLoader(array(
+            __DIR__.'/../../Resources/views/Form',
+            __DIR__.'/Fixtures/templates/form',
+        )), array('strict_variables' => true));
+        $environment->addExtension(new TranslationExtension(new StubTranslator()));
+        $environment->addExtension($this->extension);
+        $environment->setCharset('ISO-8859-1');
+
+        $this->extension->initRuntime($environment);
+
+        $view = $this->factory
+            ->createNamed('name', 'money')
+            ->createView()
+        ;
+
+        $this->assertSame(<<<'HTML'
+<div class="input-group">
+                            <span class="input-group-addon">&euro; </span>
+            <input type="text" id="name" name="name" required="required" class="form-control" />        </div>
+HTML
+        , trim($this->renderWidget($view)));
+    }
+
     protected function renderForm(FormView $view, array $vars = array())
     {
         return (string) $this->extension->renderer->renderBlock($view, 'form', $vars);

Tests/Extension/FormExtensionDivLayoutTest.php

@@ -162,6 +162,26 @@ public function testIsRootForm($expected, FormView $formView)
         $this->assertSame($expected, $this->extension->isRootForm($formView));
     }
 
+    public function testMoneyWidgetInIso()
+    {
+        $environment = new Environment(new StubFilesystemLoader(array(
+            __DIR__.'/../../Resources/views/Form',
+            __DIR__.'/Fixtures/templates/form',
+        )), array('strict_variables' => true));
+        $environment->addExtension(new TranslationExtension(new StubTranslator()));
+        $environment->addExtension($this->extension);
+        $environment->setCharset('ISO-8859-1');
+
+        $this->extension->initRuntime($environment);
+
+        $view = $this->factory
+            ->createNamed('name', 'money')
+            ->createView()
+        ;
+
+        $this->assertSame('&euro; <input type="text" id="name" name="name" required="required" />', $this->renderWidget($view));
+    }
+
     protected function renderForm(FormView $view, array $vars = array())
     {
         return (string) $this->extension->renderer->renderBlock($view, 'form', $vars);