- 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/widgets/FilterWidget.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ *
+ */
+class FilterWidget extends Widget
+{
+	private $app;
+	private $datasetName;
+
+	/**
+	 *
+	 */
+	public function __construct($name, $args = array())
+	{
+		parent::__construct($name, $args);
+	}
+
+	/**
+	 *
+	 */
+	public function display($widgetData)
+	{
+		$this->load->model('system/Filters_model', 'FiltersModel');
+
+		$this->app = $widgetData['app'];
+		$this->datasetName = $widgetData['datasetName'];
+
+		$dataset = $this->FiltersModel->execReadOnlyQuery($widgetData['query']);
+
+		$this->loadViewSelectFields($this->FiltersModel->getExecutedQueryListFields());
+
+		$this->loadViewSelectFilters($this->FiltersModel->getExecutedQueryMetaData());
+
+		$this->loadViewTableDataset($dataset);
+	}
+
+	/**
+	 *
+	 */
+	private function loadViewSelectFields($listFields)
+	{
+		$this->view('widgets/filter/selectFields', array('listFields' => $listFields));
+	}
+
+	/**
+	 *
+	 */
+	private function loadViewSelectFilters($metaData)
+	{
+		$this->view('widgets/filter/selectFilters', array('metaData' => $metaData));
+	}
+
+	/**
+	 *
+	 */
+	private function loadViewTableDataset($result)
+	{
+		$this->view('widgets/filter/tableDataset', array('dataset' => $result));
+	}
+}