Fix for #20

Author: pascalbaljet

src/Components/FormRadio.php

@@ -2,8 +2,16 @@
 
 namespace ProtoneMedia\LaravelFormComponents\Components;
 
-class FormRadio extends FormCheckbox
+class FormRadio extends Component
 {
+    use HandlesValidationErrors;
+    use HandlesBoundValues;
+
+    public string $name;
+    public string $label;
+    public $value;
+    public bool $checked = false;
+
     public function __construct(
         string $name,
         string $label = '',
@@ -12,6 +20,19 @@ public function __construct(
         bool $default = false,
         bool $showErrors = false
     ) {
-        parent::__construct($name, $label, $value, $bind, $default, $showErrors);
+        $this->name       = $name;
+        $this->label      = $label;
+        $this->value      = $value;
+        $this->showErrors = $showErrors;
+
+        if (old($name)) {
+            $this->checked = old($name) == $value;
+        }
+
+        if (!session()->hasOldInput() && $this->isNotWired()) {
+            $boundValue = $this->getBoundValue($bind, $name);
+
+            $this->checked = (is_null($boundValue) ? $default : $boundValue) == $this->value;
+        }
     }
 }

tests/Feature/RadioTest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace ProtoneMedia\LaravelFormComponents\Tests\Feature;
+
+use Illuminate\Http\Request;
+use ProtoneMedia\LaravelFormComponents\Tests\TestCase;
+
+class RadioTest extends TestCase
+{
+    /** @test */
+    public function it_check_the_right_element_as_default()
+    {
+        $this->registerTestRoute('default-radio');
+
+        $this->visit('/default-radio')
+            ->seeElement('input[value="a"]:checked')
+            ->seeElement('input[value="b"]:not(:checked)');
+    }
+
+    /** @test */
+    public function it_does_check_the_right_input_element_after_a_validation_error()
+    {
+        $this->registerTestRoute('radio-validation', function (Request $request) {
+            $data = $request->validate([
+                'radio' => 'required|in:a',
+            ]);
+        });
+
+        $this->visit('/radio-validation')
+            ->select('b', 'radio')
+            ->press('Submit')
+            ->seeElement('input[value="a"]:not(:checked)')
+            ->seeElement('input[value="b"]:checked');
+    }
+}

tests/Feature/views/default-radio.blade.php

@@ -0,0 +1,17 @@
+@php
+$target = ['radio' => 'a'];
+@endphp
+
+<x-form>
+    @bind($target)
+    <x-form-group>
+        <x-form-radio name="radio" value="a" />
+    </x-form-group>
+
+    <x-form-group>
+        <x-form-radio name="radio" value="b" />
+    </x-form-group>
+    @endbind
+
+    <x-form-submit />
+</x-form>

tests/Feature/views/radio-validation.blade.php

@@ -0,0 +1,11 @@
+<x-form>
+    <x-form-group>
+        <x-form-radio name="radio" value="a" />
+    </x-form-group>
+
+    <x-form-group>
+        <x-form-radio name="radio" value="b" />
+    </x-form-group>
+
+    <x-form-submit />
+</x-form>