add Hidden and improve Info

resources/views/components/formelements/hidden.blade.php

@@ -0,0 +1,6 @@
+<input
+    type="hidden"
+    name="{{ $name }}"
+    id="{{ $id }}"
+    value="{{ old($name, $value) }}"
+>

src/BlueAdminServiceProvider.php

@@ -48,6 +48,7 @@ public function boot()
 
         // Building blocks for admin forms
         Blade::component('ba-info', View\Components\FormElements\Info::class);
+        Blade::component('ba-hidden', View\Components\FormElements\Hidden::class);
         Blade::component('ba-text', View\Components\FormElements\Textfield::class);
         Blade::component('ba-textarea', View\Components\FormElements\Textarea::class);
         Blade::component('ba-select', View\Components\FormElements\Select::class);

src/View/Components/Formelements/HandlesBoundModel.php

@@ -23,7 +23,7 @@ private function getFormDataBinder(): FormDataBinder
      * Get the latest bound target.
      * @return mixed
      */
-    private function getBoundTarget()
+    protected function getBoundTarget()
     {
         return $this->getFormDataBinder()->get();
     }

src/View/Components/Formelements/Hidden.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Ndeblauw\BlueAdmin\View\Components\FormElements;
+
+class Hidden extends Component
+{
+    const TEMPLATE = 'hidden';
+
+    public function __construct(
+        string $name,
+        string $value = null,
+        string $id = null,
+        $model = null
+    ) {
+        parent::__construct($name, null, null, $id, null, false, null, $value);
+    }
+}

src/View/Components/Formelements/Info.php

@@ -19,7 +19,13 @@ public function __construct(
         string $link = null,
         bool $newWindow = false,
         bool $icon = false
-    ) {
+    )
+    {
+        // Check if there is a belongsTo relation (name = relation.fieldname)
+        if (sizeof($arr=explode(".", $name, 2)) > 1) {
+            $value = $value ?: $this->getBoundTarget()->{$arr[0]}->{$arr[1]};
+        }
+
         parent::__construct($name, $label, null, $id, $comment, null, $size, $value);
 
         $this->link = $link ?? '';