int viewIndex = jui.sheetPane.setSheetAssembly(this, null);
int viewIndex = jui.sheetController.setSheetAssembly(this);
    public void displayAssembly ()    {        Jui jui = Main.getJui();        if (jui != null) {            // Prepare a assembly on this sheet, this uses the initial zoom            // ratio            int viewIndex = jui.sheetPane.setSheetAssembly(this, null);            // if this is the current target, then show this sheet immediately            //////if (jui.isTarget(getPath())) {            jui.sheetPane.showSheetView(viewIndex, true);            /////}        }    }