Add DataFieldCategoryController, Tabs and Table

application/controllers/DataController.php

@@ -7,6 +7,7 @@ use Icinga\Module\Director\Forms\DirectorDatalistForm;
 use Icinga\Module\Director\Objects\DirectorDatalist;
 use Icinga\Module\Director\Web\Controller\ActionController;
 use Icinga\Module\Director\Web\Table\CustomvarTable;
+use Icinga\Module\Director\Web\Table\DatafieldCategoryTable;
 use Icinga\Module\Director\Web\Table\DatafieldTable;
 use Icinga\Module\Director\Web\Table\DatalistEntryTable;
 use Icinga\Module\Director\Web\Table\DatalistTable;
@@ -74,6 +75,24 @@ class DataController extends ActionController
         (new DatafieldTable($this->db()))->renderTo($this);
     }
 
+    public function fieldcategoriesAction()
+    {
+        $this->setAutorefreshInterval(10);
+        $this->tabs(new DataTabs())->activate('datafieldcategory');
+        $this->addTitle($this->translate('Data Field Categories'));
+        $this->actions()->add(Link::create(
+            $this->translate('Add'),
+            'director/datafieldcategory/add',
+            null,
+            [
+                'class' => 'icon-plus',
+                'data-base-target' => '_next',
+            ]
+        ));
+
+        (new DatafieldCategoryTable($this->db()))->renderTo($this);
+    }
+
     public function varsAction()
     {
         $this->tabs(new DataTabs())->activate('customvars');

application/controllers/DatafieldcategoryController.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Icinga\Module\Director\Controllers;
+
+use Icinga\Module\Director\Forms\DirectorDatafieldCategoryForm;
+use Icinga\Module\Director\Web\Controller\ActionController;
+
+class DatafieldcategoryController extends ActionController
+{
+    public function addAction()
+    {
+        $this->indexAction();
+    }
+
+    public function editAction()
+    {
+        $this->indexAction();
+    }
+
+    public function indexAction()
+    {
+        $edit = false;
+
+        if ($name = $this->params->get('name')) {
+            $edit = true;
+        }
+
+        $form = DirectorDatafieldCategoryForm::load()
+            ->setDb($this->db());
+
+        if ($edit) {
+            $form->loadObject($name);
+            $this->addTitle(
+                $this->translate('Modify %s'),
+                $form->getObject()->category_name
+            );
+            $this->addSingleTab($this->translate('Edit a Category'));
+        } else {
+            $this->addTitle($this->translate('Add a new Data Field Category'));
+            $this->addSingleTab($this->translate('New Category'));
+        }
+
+        $form->handleRequest();
+        $this->content()->add($form);
+    }
+}

library/Director/Web/Table/DatafieldCategoryTable.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Icinga\Module\Director\Web\Table;
+
+use gipfl\IcingaWeb2\Link;
+use gipfl\IcingaWeb2\Table\ZfQueryBasedTable;
+use ipl\Html\Html;
+use Zend_Db_Adapter_Abstract as ZfDbAdapter;
+use Zend_Db_Select as ZfDbSelect;
+
+class DatafieldCategoryTable extends ZfQueryBasedTable
+{
+    protected $searchColumns = array(
+        'dfc.varname',
+        'dfc.caption',
+    );
+
+    public function getColumns()
+    {
+        return array(
+            'id'              => 'dfc.id',
+            'category_name'   => 'dfc.category_name',
+            'description'     => 'dfc.description',
+            'assigned_fields' => 'COUNT(df.id)',
+        );
+    }
+
+    public function renderRow($row)
+    {
+        $main = [Link::create(
+            $row->category_name,
+            'director/datafieldcategory/edit',
+            ['name' => $row->category_name]
+        )];
+
+        if (strlen($row->description)) {
+            $main[] = Html::tag('br');
+            $main[] = Html::tag('small', $row->description);
+        }
+        return $this::tr([
+            $this::td($main),
+            $this::td($row->assigned_fields)
+        ]);
+    }
+
+    public function getColumnsToBeRendered()
+    {
+        return array(
+            $this->translate('Category Name'),
+            $this->translate('# Used'),
+        );
+    }
+
+    public function prepareQuery()
+    {
+        $db = $this->db();
+        return $db->select()->from(
+            ['dfc' => 'director_datafield_category'],
+            $this->getColumns()
+        )->joinLeft(
+            ['df' => 'director_datafield'],
+            'df.category_id = dfc.id',
+            []
+        )->group('dfc.id')->group('dfc.category_name')->order('category_name ASC');
+    }
+}

library/Director/Web/Tabs/DataTabs.php

@@ -20,6 +20,9 @@ class DataTabs extends Tabs
         $this->add('datafield', [
             'label' => $this->translate('Data fields'),
             'url'   => 'director/data/fields'
+        ])->add('datafieldcategory', [
+            'label' => $this->translate('Data field categories'),
+            'url'   => 'director/data/fieldcategories'
         ])->add('datalist', [
             'label' => $this->translate('Data lists'),
             'url'   => 'director/data/lists'