host/services: allow to delete sets

fixes #724

application/controllers/HostController.php

@@ -11,6 +11,7 @@ use Icinga\Module\Director\Objects\IcingaService;
 use Icinga\Module\Director\Objects\IcingaServiceSet;
 use Icinga\Module\Director\Util;
 use Icinga\Module\Director\Web\Controller\ObjectController;
+use Icinga\Web\Url;
 
 class HostController extends ObjectController
 {
@@ -253,6 +254,28 @@ class HostController extends ObjectController
         $this->commonForServices();
     }
 
+    public function removesetAction()
+    {
+        // TODO: clean this up, use POST
+        $db = $this->db()->getDbAdapter();
+        $query = $db->select()->from(
+            array('ss' => 'icinga_service_set'),
+            array('id' => 'ss.id')
+        )->join(
+            array('si' => 'icinga_service_set_inheritance'),
+            'si.service_set_id = ss.id',
+            array()
+        )->where('si.parent_service_set_id = ?', $this->params->get('setId'))
+        ->where('ss.host_id = ?', $this->object->id);
+
+        IcingaServiceSet::loadWithAutoIncId($db->fetchOne($query), $this->db())->delete();
+        $this->redirectNow(
+            Url::fromPath('director/host/services', array(
+                'name' => $this->object->getObjectName()
+            ))
+        );
+    }
+
     public function servicesetserviceAction()
     {
         $db = $this->db();

application/tables/IcingaServiceSetServiceTable.php

@@ -49,6 +49,15 @@ class IcingaServiceSetServiceTable extends QuickTable
         return $this;
     }
 
+    protected function renderTitles($row)
+    {
+        if ($this->host) {
+            return $this->renderHostTitles($row);
+        } else {
+            return parent::renderTitles($row);
+        }
+    }
+
     protected function getActionUrl($row)
     {
         if ($this->host) {
@@ -77,6 +86,33 @@ class IcingaServiceSetServiceTable extends QuickTable
         );
     }
 
+    protected function renderHostTitles($row)
+    {
+        $view = $this->view();
+        // Hint: row is an array of titles!?!?!?
+        $title = $view->escape(array_shift($row));
+
+        $htm = "<thead>\n  <tr>\n";
+
+        $deleteLink = $view->qlink(
+            $view->translate('Remove'),
+            'director/host/removeset',
+            array(
+                'name' => $this->host->getObjectName(),
+                'setId' => $this->set->id
+            ),
+            array(
+                'class' => 'icon-cancel',
+                'style' => 'float: right; font-weight: normal',
+                'title' => $view->translate('Remove this set from this host')
+            )
+        );
+
+        $htm .= '    <th>' . $view->escape($title) . "$deleteLink</th>\n";
+
+        return $htm . "  </tr>\n</thead>\n";
+    }
+
     public function getUnfilteredQuery()
     {
         return $this->db()->select()->from(