- Splitted Usersfilters_widget in:

- Aufnahmegruppe_widget
	- Reihungstest_widget
	- Studiengang_widget
	- Studiensemester_widget
	- Stufe_widget
- Renamed /system/Users controller to system/aufnahme/PrestudentMultiAssign
- Added method getPrestudentMultiAssign to Prestudent_model
- Changed WidgetLib to allow to set the name and the id html attributes
of a widget

application/widgets/Stufe_widget.php

@@ -0,0 +1,37 @@
+<?php
+
+class Stufe_widget extends Widget
+{
+	public function __construct($name, $args, $htmlArgs = array())
+	{
+		// Calling daddy
+		parent::__construct($name, $args, $htmlArgs);
+	}
+	
+    public function display($widgetData)
+	{
+		// Stufe
+		$this->load->model('crm/Reihungstest_model', 'ReihungstestModel');
+		$this->ReihungstestModel->addSelect('DISTINCT ON(stufe) stufe, stufe AS beschreibung');
+		$this->ReihungstestModel->addOrder('stufe');
+		$stufen = $this->ReihungstestModel->loadWhere('stufe IS NOT NULL');
+		if (hasData($stufen))
+		{
+			// Adding an empty element at the beginning
+			$emptyElement = new stdClass();
+			$emptyElement->stufe = Partial::HTML_DEFAULT_VALUE;
+			$emptyElement->beschreibung = 'Select a stufe...';
+			array_unshift($stufen->retval, $emptyElement);
+		}
+		else
+		{
+			show_error($stufen);
+		}
+		
+		// Data to be used in the widget view
+		$widgetData['stufen'] = $stufen->retval;
+		
+		// Loads widget view
+		$this->view('widgets/stufe', $widgetData);
+    }
+}