OO-4254: backport keyup event from selectus

src/main/java/org/olat/core/gui/components/form/flexible/impl/FormEvent.java

@@ -43,9 +43,10 @@ public class FormEvent extends Event {
 	// checkbox / radio button the onclick will also be fired although nothing has 
 	// been clicked. 
 	public static final int ONCHANGE = 4;
+	public static final int ONKEYUP = 8;
 		
 	//sorted x0 > x1 > x2 .. > xn 
-	public static final int[] ON_DOTDOTDOT = new int[]{ONDBLCLICK, ONCLICK, ONCHANGE};
+	public static final int[] ON_DOTDOTDOT = new int[]{ONDBLCLICK, ONCLICK, ONCHANGE, ONKEYUP};
 	public static final FormEvent RESET = new FormEvent("reset",null);
 
 	private final int trigger;

src/main/java/org/olat/core/gui/components/form/flexible/impl/FormJSHelper.java

@@ -49,7 +49,7 @@ public class FormJSHelper {
 	
 	private static final Logger log = Tracing.createLoggerFor(FormJSHelper.class);
 
-	private static final String[] EXTJSACTIONS = { "dblclick", "click", "change" };
+	private static final String[] EXTJSACTIONS = { "dblclick", "click", "change", "keyup" };
 
 	/**
 	 * create for example an