monitoring/commands: Add `ToggleNotificationsCommandForm'

`ToggleNotificationsCommandForm' is the form for enabling/disabling host and service notifications on an Icinga instance.

refs #6593

modules/monitoring/application/forms/Command/Instance/ToggleNotificationsCommandForm.php

@@ -0,0 +1,33 @@
+<?php
+// {{{ICINGA_LICENSE_HEADER}}}
+// {{{ICINGA_LICENSE_HEADER}}}
+
+namespace Icinga\Module\Monitoring\Form\Command\Instance;
+
+use Icinga\Module\Monitoring\Command\Instance\ToggleNotifications;
+
+/**
+ * Form for enabling/disabling host and service notifications on an Icinga instance
+ */
+class ToggleNotificationsCommandForm extends ToggleFeatureCommandForm
+{
+    /**
+     * (non-PHPDoc)
+     * @see \Zend_Form::init() For the method documentation.
+     */
+    public function init()
+    {
+        $this->setSubmitLabel(mt('monitoring', 'Toggle Notifications'));
+        $this->setFeature('notifications_enabled', mt('monitoring', 'Notifications Enabled'));
+    }
+
+    /**
+     * Get the command which is to be sent to an Icinga instance
+     *
+     * @return ToggleNotifications
+     */
+    public function getCommand()
+    {
+        return new ToggleNotifications();
+    }
+}