Fix event grid layout and forms

Make event grid horizontal, user build in form apply button, add linebreak between filter and grid

modules/monitoring/application/controllers/ListController.php

@@ -18,6 +18,7 @@ use Icinga\Data\Filter\Filter;
 use Icinga\Web\Widget;
 use Icinga\Module\Monitoring\Web\Widget\SelectBox;
 use Icinga\Module\Monitoring\Form\StatehistoryForm;
+use Icinga\Module\Monitoring\Form\EventOverviewForm;
 
 class Monitoring_ListController extends Controller
 {
@@ -392,7 +393,7 @@ class Monitoring_ListController extends Controller
         $form->render();
         $this->view->form = $form;
 
-        $orientation = $this->params->shift('horizontal', 0) ? 'horizontal' : 'vertical';
+        $orientation = $this->params->shift('vertical', 0) ? 'vertical' : 'horizontal';
 
         $orientationBox = new SelectBox(
             'orientation',

modules/monitoring/application/forms/StatehistoryForm.php

@@ -13,6 +13,15 @@ use Icinga\Data\Filter\Filter;
  */
 class StatehistoryForm extends Form
 {
+    /**
+     * Initialize this form
+     */
+    public function init()
+    {
+        $this->setName('form_event_overview');
+        $this->setSubmitLabel(mt('monitoring', 'Apply'));
+    }
+
     /**
      * Return the corresponding filter-object
      *
@@ -135,16 +144,5 @@ class StatehistoryForm extends Form
                 )
             );
         }
-        $this->addElement(
-            'button',
-            'btn_submit',
-            array(
-                'type'      => 'submit',
-                'escape'    => false,
-                'value'     => '1',
-                'class'     => 'btn btn-cta btn-common',
-                'label'     => mt('monitoring', 'Apply')
-            )
-        );
     }
 }

modules/monitoring/application/views/scripts/list/eventhistory.phtml

@@ -4,6 +4,8 @@
   <div style="margin: 1em" class="dontprint">
     <?= $this->translate('Sort by'); ?> <?= $this->sortControl->render($this); ?>
   </div>
+  <?= $form ?>
+  <br />
   <?= $this->widget('limiter', array('url' => $this->url, 'max' => $this->history->count())); ?>
   <?= $this->paginationControl($history, null, null, array('preserve' => $this->preserve)); ?>
 </div>