Adjust removebackend-action to suit the new backend form interface

Drops additionally the ConfirmRemovalForm of the monitoring module
as there is already one in icingaweb2's form-set.

refs #5525

modules/monitoring/application/controllers/ConfigController.php

@@ -7,8 +7,8 @@ use \Zend_Config;
 use Icinga\Config\PreservingIniWriter;
 use Icinga\Web\Controller\ModuleActionController;
 use Icinga\Web\Notification;
+use Icinga\Form\Config\ConfirmRemovalForm;
 use Icinga\Module\Monitoring\Form\Config\BackendForm;
-use Icinga\Module\Monitoring\Form\Config\ConfirmRemovalForm;
 use Icinga\Module\Monitoring\Form\Config\Instance\EditInstanceForm;
 use Icinga\Module\Monitoring\Form\Config\Instance\CreateInstanceForm;
 use Icinga\Exception\NotReadableError;
@@ -107,29 +107,26 @@ class Monitoring_ConfigController extends ModuleActionController
     public function removebackendAction()
     {
         $backend = $this->getParam('backend');
-        if (!$this->isExistingBackend($backend)) {
-            $this->view->error = 'Unknown backend ' . $backend;
-            return;
+        $backendsConfig = $this->Config('backends')->toArray();
+        if (false === array_key_exists($backend, $backendsConfig)) {
+            // TODO: Should behave as in the app's config controller (Specific redirect to an error action)
+            Notification::error(sprintf($this->translate('Cannot remove "%s". Backend not found.'), $backend));
+            $this->redirectNow('monitoring/config');
         }
+
         $form = new ConfirmRemovalForm();
-        $form->setRequest($this->getRequest());
-        $form->setRemoveTarget('backend', $backend);
-
-        if ($form->isSubmittedAndValid()) {
-            $configArray = $this->Config('backends')->toArray();
-            unset($configArray[$backend]);
-
-            if ($this->writeConfiguration(new Zend_Config($configArray), 'backends')) {
-                Notification::success('Backend "' . $backend . '" Removed');
+        $request = $this->getRequest();
+        if ($request->isPost() && $form->isValid($request->getPost())) {
+            unset($backendsConfig[$backend]);
+            if ($this->writeConfiguration($backendsConfig, 'backends')) {
+                Notification::success(sprintf($this->translate('Backend "%s" successfully removed.'), $backend));
                 $this->redirectNow('monitoring/config');
             } else {
                 $this->render('show-configuration');
             }
-            return;
         }
 
         $this->view->form = $form;
-        $this->view->name = $backend;
     }
 
     /**

modules/monitoring/application/forms/Config/ConfirmRemovalForm.php

@@ -1,68 +0,0 @@
-<?php
-// {{{ICINGA_LICENSE_HEADER}}}
-// {{{ICINGA_LICENSE_HEADER}}}
-
-namespace Icinga\Module\Monitoring\Form\Config;
-
-use Icinga\Web\Form;
-
-/**
- * Form for confirming removal of an object
- */
-class ConfirmRemovalForm extends Form
-{
-    /**
-     * The value of the target to remove
-     *
-     * @var string
-     */
-    private $removeTarget;
-
-    /**
-     * The name of the target parameter to remove
-     *
-     * @var string
-     */
-    private $targetName;
-
-    /**
-     * Set the remove target in this field to be a hidden field with $name and value $target
-     *
-     * @param string $name      The name to be set in the hidden field
-     * @param string $target    The value to be set in the hidden field
-     */
-    public function setRemoveTarget($name, $target)
-    {
-        $this->targetName = $name;
-        $this->removeTarget = $target;
-    }
-
-    /**
-     * Create the confirmation form
-     *
-     * @see Form::create()
-     */
-    public function create()
-    {
-        $this->addElement(
-            'hidden',
-            $this->targetName,
-            array(
-                'value'     => $this->removeTarget,
-                'required'  => true
-            )
-        );
-
-        $this->addElement(
-            'button',
-            'btn_submit',
-            array(
-                'type'      => 'submit',
-                'escape'    => false,
-                'value'     => '1',
-                'class'     => 'btn btn-cta btn-common',
-                'label'     => $this->getView()->icon('remove.png') . ' Confirm Removal'
-            )
-        );
-    }
-}

modules/monitoring/application/views/scripts/config/removebackend.phtml

@@ -1,8 +1,2 @@
-
-<h4><i class="icinga-icon-remove"></i>  Remove Backend "<?= $this->escape($this->name) ?>"</h4>
-
-<p>
-  Are you sure you want to remove the backend <?= $this->escape($this->name) ?>?
-</p>
-
-<?= $this->form; ?>
+<h4><?= $this->translate('Remove Existing Backend'); ?></h4>
+<?= $form; ?>