- Changed system/dbupdate_3.3.php to create table system.tbl_filters and what its needed

- Added model system/Filters_model to manage system.tbl_filters
- Removed method execQuery from model system/UDF_model
- Added property executedQueryMetaData to DB_Model
- Added property executedQueryListFields to DB_Model
- Added method getExecutedQueryListFields to DB_Model
- Added method getExecutedQueryMetaData to DB_Model
- Added method execReadOnlyQuery to DB_Model to execute read only queries from outside a model
- Changed DB_Model method _toPhp to store infos about an executed query into properties executedQueryMetaData and executedQueryListFields
- Updated library UDFLib to use execReadOnlyQuery
- Added widget FilterWidget to render and manage a filter into VileSci
- Added views widgets/filter/selectFields, widgets/filter/selectFilters and widgets/filter/tableDataset used by FilterWidget

application/controllers/system/Test.php

@@ -0,0 +1,38 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Test extends VileSci_Controller
+{
+	public function __construct()
+    {
+        parent::__construct();
+
+        $this->load->library('WidgetLib');
+    }
+
+	/**
+	 *
+	 */
+	public function index()
+	{
+		echo $this->widgetlib->widget(
+			'FilterWidget',
+			array(
+				'app' => 'OpenProject',
+				'datasetName' => 'Arbeitspakete',
+				'query' => '
+					SELECT p.person_id AS PersonId,
+							p.nachname AS Nachname,
+							p.vorname AS Vorname,
+							k.kontakt AS Email
+					  FROM public.tbl_person p INNER JOIN public.tbl_kontakt k USING(person_id)
+					 WHERE p.aktiv = TRUE
+					   AND p.person_id = k.person_id
+					   AND k.kontakttyp = \'email\'
+					   AND p.person_id < 1000
+				'
+			)
+		);
+	}
+}