- 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/Reihungstest_widget.php

@@ -0,0 +1,56 @@
+<?php
+
+class Reihungstest_widget extends Widget
+{
+	public function __construct($name, $args, $htmlArgs = array())
+	{
+		// Calling daddy
+		parent::__construct($name, $args, $htmlArgs);
+	}
+	
+    public function display($widgetData)
+	{
+		// Reihungstest
+		$reihungstest = success(array()); // default value empty array
+		// If the parameters studiengang or studiensemester are given and are not empty
+		if (isset($widgetData) && is_array($widgetData)
+			&& ((isset($widgetData['studiengang']) && !empty($widgetData['studiengang']))
+			|| (isset($widgetData['studiensemester']) && !empty($widgetData['studiensemester']))))
+		{
+			$this->load->model('crm/Reihungstest_model', 'ReihungstestModel');
+			$this->ReihungstestModel->addSelect('reihungstest_id, concat(datum, \' \',  uhrzeit, \' \', anmerkung) AS beschreibung');
+			$this->ReihungstestModel->addOrder('datum', 'DESC');
+			
+			$parametersArray = array();
+			if ($widgetData['studiengang'] != null)
+			{
+				$parametersArray['studiengang_kz'] = $widgetData['studiengang'];
+			}
+			if ($widgetData['studiensemester'] != null)
+			{
+				$parametersArray['studiensemester_kurzbz'] = $widgetData['studiensemester'];
+			}
+			
+			$reihungstest = $this->ReihungstestModel->loadWhere($parametersArray);
+			if (isError($reihungstest))
+			{
+				show_error($reihungstest);
+			}
+		}
+		
+		if (!isError($reihungstest))
+		{
+			// Adding an empty element at the beginning
+			$emptyElement = new stdClass();
+			$emptyElement->reihungstest_id = Partial::HTML_DEFAULT_VALUE;
+			$emptyElement->beschreibung = 'Select a reihungstest...';
+			array_unshift($reihungstest->retval, $emptyElement);
+		}
+		
+		// Data to be used in the widget view
+		$widgetData['reihungstests'] = $reihungstest->retval;
+		
+		// Loads widget view
+		$this->view('widgets/reihungstest', $widgetData);
+    }
+}