Merge branch 'feature/accessibility-autorefresh-7945'

resolves #7945

application/forms/AutoRefreshForm.php

@@ -0,0 +1,81 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Forms;
+
+use Icinga\Application\Logger;
+use Icinga\User\Preferences;
+use Icinga\Web\Form;
+use Icinga\Web\Notification;
+use Icinga\Web\Session;
+use Icinga\Web\Url;
+
+/**
+ * Form class to adjust user auto refresh preferences
+ */
+class AutoRefreshForm extends Form
+{
+    /**
+     * Initialize this form
+     */
+    public function init()
+    {
+        $this->setName('form_auto_refresh');
+    }
+
+    /**
+     * Adjust preferences and persist them
+     *
+     * @see Form::onSuccess()
+     */
+    public function onSuccess()
+    {
+        /** @var Preferences $preferences */
+        $preferences = $this->getRequest()->getUser()->getPreferences();
+        $icingaweb = $preferences->get('icingaweb');
+
+        if ((bool) $preferences->getValue('icingaweb', 'auto_refresh', true) === false) {
+            $icingaweb['auto_refresh'] = '1';
+            $notification = $this->translate('Auto refresh successfully enabled');
+        } else {
+            $icingaweb['auto_refresh'] = '0';
+            $notification = $this->translate('Auto refresh successfully disabled');
+        }
+        $preferences->icingaweb = $icingaweb;
+
+        Session::getSession()->user->setPreferences($preferences);
+        Notification::success($notification);
+
+        $this->getResponse()->setHeader('X-Icinga-Rerender-Layout', 'yes');
+        $this->setRedirectUrl(Url::fromRequest()->without('renderLayout'));
+    }
+
+    /**
+     * @see Form::createElements()
+     */
+    public function createElements(array $formData)
+    {
+        $preferences = $this->getRequest()->getUser()->getPreferences();
+
+        if ((bool) $preferences->getValue('icingaweb', 'auto_refresh', true) === false) {
+            $value = $this->translate('Enable auto refresh');
+        } else {
+            $value = $this->translate('Disable auto refresh');
+        }
+
+        $this->addElements(array(
+            array(
+                'button',
+                'btn_submit',
+                array(
+                    'ignore'        => true,
+                    'type'          => 'submit',
+                    'value'         => $value,
+                    'decorators'    => array('ViewHelper'),
+                    'escape'        => false,
+                    'class'         => 'link-like'
+                )
+            )
+        ));
+    }
+}

application/forms/PreferenceForm.php

@@ -185,6 +185,17 @@ class PreferenceForm extends Form
             )
         );
 
+        $this->addElement(
+            'checkbox',
+            'auto_refresh',
+            array(
+                'required'      => false,
+                'label'         => $this->translate('Enable auto refresh'),
+                'description'   => $this->translate('This option allows you to enable or to disable the global page content auto refresh'),
+                'value'         => 1
+            )
+        );
+
         if ($this->store) {
             $this->addElement(
                 'submit',

application/layouts/scripts/parts/navigation.phtml

@@ -16,6 +16,9 @@ if (! $this->auth()->isAuthenticated()) {
         <li>
             <a tabindex="0" href="#main"><?= t('Skip to Content'); ?></a>
         </li>
+        <li>
+            <?= $this->layout()->autoRefreshForm ?>
+        </li>
     </ul>
 </div>
 <div  id="menu" data-last-update="<?= (time() - 14) ?>000" data-base-target="_main" class="container"

library/Icinga/Web/Controller/ActionController.php

@@ -10,6 +10,7 @@ use Icinga\Authentication\Manager;
 use Icinga\Exception\IcingaException;
 use Icinga\Exception\ProgrammingError;
 use Icinga\File\Pdf;
+use Icinga\Forms\AutoRefreshForm;
 use Icinga\Security\SecurityException;
 use Icinga\Util\Translator;
 use Icinga\Web\Notification;
@@ -379,6 +380,16 @@ class ActionController extends Zend_Controller_Action
         }
     }
 
+    /**
+     * @see Zend_Controller_Action::preDispatch()
+     */
+    public function preDispatch()
+    {
+        $form = new AutoRefreshForm();
+        $form->handleRequest();
+        $this->_helper->layout()->autoRefreshForm = $form;
+    }
+
     /**
      * Detect whether the current request requires changes in the layout and apply them before rendering
      *
@@ -399,6 +410,10 @@ class ActionController extends Zend_Controller_Action
                     $layout->benchmark = $this->renderBenchmark();
                 }
             }
+
+            if ((bool) $user->getPreferences()->getValue('icingaweb', 'auto_refresh', true) === false) {
+                $this->disableAutoRefresh();
+            }
         }
 
         if ($req->getParam('format') === 'pdf') {

public/css/icinga/menu.less

@@ -280,26 +280,26 @@ a:focus {
       display: inline;
       margin: 0;
       padding: 0;
-      a {
+      a, button[type="submit"] {
         position: absolute;
         display: block;
         left: -999em;
-        width: 10.4em;
+        box-sizing: content-box;
+        width: 10.4em !important;
         top: 0em;
+        text-align: left !important;
         padding: 0.8em;
         background-color: white;
         z-index: 4;
         border: 1px @colorGray solid;
         &:focus {
           left: 0;
+          outline: 1px dotted black !important;
         }
       }
     }
   }
 }
 .skip-links-inline {
-  margin-top: -4em;
-  ul > li > a {
-    width: 16em;
-  }
+  margin-top: -3.5em;
 }