src/main/java/org/efaps/ui/wicket/components/split/AjaxStorePositionBehavior.java
@Override
    protected void respond(final AjaxRequestTarget _target)
    {
        final StringValue horizontal = getComponent().getRequest().getRequestParameters().getParameterValue(
                        AjaxStorePositionBehavior.PARAMETER_HORIZONTALPOSITION);
        final StringValue verticalTmp = getComponent().getRequest().getRequestParameters().getParameterValue(
                        AjaxStorePositionBehavior.PARAMETER_VERTICALPOSITION);
        if (!horizontal.isNull()) {
            Configuration.setAttribute(ConfigAttribute.SPLITTERPOSHORIZONTAL, horizontal.toString());
        }
        if (!verticalTmp.isNull()) {
            Configuration.setAttribute(ConfigAttribute.SPLITTERPOSVERTICAL, verticalTmp.toString());
        }
    }
@Override
    protected void respond(final AjaxRequestTarget _target)
    {
        final StringValue horizontal = getComponent().getRequest().getRequestParameters().getParameterValue(
                        AjaxStorePositionBehavior.PARAMETER_HORIZONTALPOSITION);
        final StringValue verticalTmp = getComponent().getRequest().getRequestParameters().getParameterValue(
                        AjaxStorePositionBehavior.PARAMETER_VERTICALPOSITION);
        if (!horizontal.isNull()) {
            Configuration.setAttribute(ConfigAttribute.SPLITTERPOSHORIZONTAL, horizontal.toString());
        }
        if (!verticalTmp.isNull()) {
            Configuration.setAttribute(ConfigAttribute.SPLITTERPOSVERTICAL, verticalTmp.toString());
        }
    }
On request the values are stored.

@param _target AjaxRequestTarget