Add input suggestion for datalist vars

application/controllers/SuggestController.php

@@ -19,9 +19,19 @@ class SuggestController extends ActionController
     {
         // TODO: Using some temporarily hardcoded methods, should use DataViews later on
         $context = $this->getRequest()->getPost('context');
+        $key = null;
+
+        if (strpos($context, '!') !== false) {
+            list($context, $key) = preg_split('~!~', $context, 2);
+        }
+
         $func = 'suggest' . ucfirst($context);
         if (method_exists($this, $func)) {
-            $all = $this->$func();
+            if (! empty($key)) {
+                $all = $this->$func($key);
+            } else {
+                $all = $this->$func();
+            }
         } else {
             $all = array();
         }
@@ -232,6 +242,56 @@ class SuggestController extends ActionController
         ]);
     }
 
+    protected function suggestDataListValues($field = null)
+    {
+        if ($field === null) {
+            // field is required!
+            return [];
+        }
+
+        $datalistType = 'Icinga\\Module\\Director\\DataType\\DataTypeDatalist';
+        $db = $this->db()->getDbAdapter();
+
+        $query = $db->select()
+            ->from(['f' =>'director_datafield'], [])
+            ->join(
+                ['sid' => 'director_datafield_setting'],
+                'sid.datafield_id = f.id AND sid.setting_name = \'datalist_id\'',
+                []
+            )
+            ->join(
+                ['l' => 'director_datalist'],
+                'l.id = sid.setting_value',
+                []
+            )
+            ->join(
+                ['e' => 'director_datalist_entry'],
+                'e.list_id = l.id',
+                ['entry_name', 'entry_value']
+            )
+            ->where('datatype = ?', $datalistType)
+            ->where('varname = ?', $field)
+            ->order('entry_value');
+
+
+        // TODO: respect allowed_roles
+        /* this implementation from DataTypeDatalist is broken
+        $roles = array_map('json_encode', Acl::instance()->listRoleNames());
+
+        if (empty($roles)) {
+            $query->where('allowed_roles IS NULL');
+        } else {
+            $query->where('(allowed_roles IS NULL OR allowed_roles IN (?))', $roles);
+        }
+        */
+
+        $data = [];
+        foreach ($db->fetchPairs($query) as $key => $label) {
+            $data[] = sprintf("%s [%s]", $label, $key);
+        }
+        return $data;
+    }
+
     protected function getFilterColumns($prefix, $keys)
     {
         if ($prefix === 'host.') {

application/views/helpers/FormDataFilter.php

@@ -189,9 +189,12 @@ class Zend_View_Helper_FormDataFilter extends Zend_View_Helper_FormElement
         if ($filter) {
             // TODO: Make this configurable
             $type = 'host';
+            $prefixLen = strlen($type) + 1;
             $filter = clone($filter);
+            $col = $filter->getColumn();
 
             if ($this->columnIsJson($filter)) {
+                $col = $filter->getExpression();
                 $filter->setExpression(json_decode($filter->getColumn()));
             } else {
                 $filter->setExpression(json_decode($filter->getExpression()));
@@ -201,7 +204,6 @@ class Zend_View_Helper_FormDataFilter extends Zend_View_Helper_FormElement
                 return '';
             }
             $dummy = IcingaObject::createByType($type);
-            $col = $filter->getColumn();
             if ($dummy->hasProperty($col)) {
                 if ($dummy->propertyIsBoolean($col)) {
                     return $this->boolean($filter);
@@ -212,6 +214,10 @@ class Zend_View_Helper_FormDataFilter extends Zend_View_Helper_FormElement
                 $type = substr($col, 0, -7);
 
                 return $this->selectGroup($type, $filter);
+            } elseif (substr($col, $prefixLen, 5) === 'vars.') {
+                $var = substr($col, $prefixLen + 5);
+
+                return $this->text($filter, "DataListValues!${var}");
             }
         }
 
@@ -263,26 +269,38 @@ class Zend_View_Helper_FormDataFilter extends Zend_View_Helper_FormElement
 
     /**
      * @param FilterExpression|null $filter
+     * @param string                $suggestionContext
+     *
      * @return mixed
      */
-    protected function text(FilterExpression $filter = null)
+    protected function text(FilterExpression $filter = null, $suggestionContext = null)
     {
+        $attr = null;
+        if ($suggestionContext !== null) {
+            $attr = [
+                'class'                   => 'director-suggest',
+                'data-suggestion-context' => $suggestionContext,
+            ];
+        }
+
         $value = $filter === null ? '' : $filter->getExpression();
         if (is_array($value)) {
             return $this->view->formIplExtensibleSet(
                 $this->elementId('value', $filter),
-                $value
+                $value,
+                $attr
             );
         }
 
         return $this->view->formText(
             $this->elementId('value', $filter),
-            $value
+            $value,
+            $attr
         );
     }
 
     /**
-     * @return \Icinga\Data\Filter\FilterMatch
+     * @return \Icinga\Data\Filter\FilterExpression
      */
     protected function emptyExpression()
     {

public/js/module.js

@@ -309,6 +309,14 @@
             var $el = $suggestion.closest('ul').siblings('.director-suggest');
             var val = $suggestion.text();
 
+            // extract label and key from key
+            var re = /^(.+) \[(\w+)]$/;
+
+            var withLabel = val.match(re);
+            if (withLabel) {
+                val = withLabel[2];
+            }
+
             if (val.match(/\.$/)) {
                 $el.val(val);
                 this.getSuggestionList($el, true);