Support filter editing in event history

Add a FilterEditor to the eventhistory view, fix CSS layout

resolves #6979

modules/monitoring/application/controllers/ListController.php

@@ -541,7 +541,7 @@ class Monitoring_ListController extends Controller
         $form->handleRequest($this->getRequest());
         $this->view->form = $form;
 
-        if ($this->getRequest()->isPost()) {
+        if ($this->getRequest()->isPost() && !$this->getParam('modifyFilter')) {
             // update filter string
             $filters = $form->getFilter();
             $url = $this->_request->getUrl();

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

@@ -5,11 +5,15 @@
     <?= $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>
+
+  <br> <br>
+  <?= $form ?>
+
+  <div class="content">
+      <?= $this->filterEditor ?>
+  </div>
 <?php endif ?>
 
 <div class="content">

modules/monitoring/public/css/module.less

@@ -158,3 +158,19 @@ table.avp .customvar ul {
 div.selection-info {
   padding-top:1em;
 }
+
+.optionbox {
+  margin-left: 0em;
+  margin-right: 3em;
+}
+
+.optionbox label {
+  max-width: 6.5em;
+  text-align: left;
+  vertical-align: middle;
+  margin-right: 0em;
+}
+
+.optionbox input {
+  vertical-align: middle;
+}

public/css/icinga/forms.less

@@ -195,19 +195,3 @@ textarea {
 input, select, textarea {
   display: inline;
 }
-
-.optionbox {
-  margin-left: 0em;
-  margin-right: 3em;
-}
-
-.optionbox label {
-  max-width: 6.5em;
-  text-align: left;
-  vertical-align: middle;
-  margin-right: 0em;
-}
-
-.optionbox input {
-  vertical-align: middle;
-}