Add support for 'container' attributes

Author: hailwood

src/AttributeManager.php

@@ -79,8 +79,21 @@ public function getExtraAttributes(View $view)
 
     $valueRequiredBooleans = ['data-allow-clear'];
 
+    return $this->mapAttributesToString($extra, $valueRequiredBooleans);
+
+  }
+
+  public function getContainerAttributes(View $view)
+  {
+    $extra = $view->offsetExists('container') ? $view->offsetGet('container') : [];
+    return $this->mapAttributesToString($extra);
+
+  }
+
+  protected function mapAttributesToString($attributes, $valueRequiredBooleans = []) {
+
     // Convert extra properties to key="value" string
-    $attributes = array_map(function ($key, $value) use ($valueRequiredBooleans) {
+    $output = array_map(function ($key, $value) use ($valueRequiredBooleans) {
       // ['required']
       if (is_int($key) || is_string($key) && ctype_digit($key)) {
         return in_array($value, $valueRequiredBooleans) ? "{$value}=\"1\"" : $value;
@@ -100,14 +113,14 @@ public function getExtraAttributes(View $view)
       if (is_object($value) || is_array($value)) {
         $value = json_encode($value);
       }
-      
+
       return sprintf('%s="%s"', $key, htmlspecialchars($value));
-    }, array_keys($extra), $extra);
+    }, array_keys($attributes), $attributes);
 
     // Remove empty (boolean false) attributes
-    $attributes = array_filter($attributes);
+    $output = array_filter($output);
 
-    return implode(' ', $attributes);
+    return implode(' ', $output);
   }
 
   public function getFieldTemplate(View $view)

src/FieldViewComposer.php

@@ -30,6 +30,7 @@ public function compose(View $view)
 
         // Repopulate the template
         $view->offsetSet('extraAttributes', $this->attributeManager->getExtraAttributes($view));
+        $view->offsetSet('containerAttributes', $this->attributeManager->getContainerAttributes($view));
         $view->offsetSet('fieldTemplate', $this->attributeManager->getFieldTemplate($view));
         $view->offsetSet('value', $this->attributeManager->getFieldValue($view));
         $view->offsetSet('type', $this->attributeManager->getFieldType($view));

views/container.blade.php

@@ -2,7 +2,7 @@
     <input type="hidden" name="{{ $name }}" value="{{ $value }}">
 @else
     {!! isset($col) ? '<div class="'.$col.'">' : '' !!}
-    <div class="form-group" @if($errors->has($name)) data-server-error="{{ $errors->first($name) }}" @endif>
+    <div class="form-group" @if($errors->has($name)) data-server-error="{{ $errors->first($name) }}" @endif {!! $containerAttributes  !!}>
         @unless(($onlyTemplate ?? false) || ($label ?? true) === false)
             <label for="{{ $name }}">
                 @if($rawLabel ?? false)