New method addAlert on OptionForm

app/Services/OptionForm.php

@@ -27,6 +27,7 @@ class OptionForm
 
     protected $buttons = [];
     protected $messages = [];
+    protected $alerts = [];
 
     protected $hookBefore;
     protected $hookAfter;
@@ -175,6 +176,24 @@ class OptionForm
         return $this;
     }
 
+    /**
+     * Add an alert to the top of option form.
+     *
+     * @param  string $msg
+     * @param  string $style
+     * @return $this
+     */
+    public function addAlert($msg = self::AUTO_DETECT, $style = 'info')
+    {
+        if ($msg == self::AUTO_DETECT) {
+            $msg = trans("options.$this->id.alert");
+        }
+
+        $this->alerts[] = ['content' => $msg, 'type' => $style];
+
+        return $this;
+    }
+
     /**
      * Add callback which will be executed before handling options.
      *
@@ -266,7 +285,7 @@ class OptionForm
                 call_user_func($this->hookAfter, $this);
             }
 
-            $this->addMessage(trans('options.option-saved'), 'success');
+            $this->addAlert(trans('options.option-saved'), 'success');
         }
 
         return $this;

resources/views/forms/form.twig

@@ -12,6 +12,21 @@
         </div>
       {% endfor %}
 
+      {% for alert in alerts %}
+        <div class="alert alert-{{ alert.type }}">
+          {% if alert.type == 'success' %}
+            <i class="fas fa-check icon"></i>
+          {% elseif alert.type == 'info' %}
+            <i class="fas fa-info icon"></i>
+          {% elseif alert.type == 'warning' %}
+            <i class="fas fa-exclamation-triangle icon"></i>
+          {% elseif alert.type == 'danger' %}
+            <i class="fas fa-times-circle icon"></i>
+          {% endif %}
+          <span>{{ alert.content }}</span>
+        </div>
+      {% endfor %}
+
       {% if renderWithoutTable %}
         {% for item in items %}
           {{ item.render()|raw }}

tests/ServicesTest/OptionFormTest.php

@@ -113,6 +113,21 @@ class OptionFormTest extends TestCase
         $this->assertEquals('greeting', trim($crawler->filter('.callout-warning')->text()));
     }
 
+    public function testAddAlert()
+    {
+        $form = new OptionForm('test', 'test');
+        $returned = $form->addAlert();
+        $form->addAlert('greeting', 'warning');
+        $this->assertSame($form, $returned);
+
+        $crawler = new Crawler($form->render());
+        $this->assertEquals(
+            trans('options.test.alert'),
+            trim($crawler->filter('.alert-info')->text())
+        );
+        $this->assertEquals('greeting', trim($crawler->filter('.alert-warning')->text()));
+    }
+
     public function testHookBefore()
     {
         $called = false;
@@ -240,7 +255,7 @@ class OptionFormTest extends TestCase
         $crawler = new Crawler($form->render());
         $this->assertEquals(
             trans('options.option-saved'),
-            trim($crawler->filter('.callout-success')->text())
+            trim($crawler->filter('.alert-success')->text())
         );
         $this->assertEquals('formatted value', option('t'));
     }