layout.clear();
layout.add(actionToolBar);
AssetViewerActivity assetViewerActivity = new AssetViewerActivity(packageConfigData.getUuid(),
clientFactory);
assetViewerActivity.start(new AcceptItem() {
public void add(String tabTitle, IsWidget widget) {
ScrollPanel pnl = new ScrollPanel();
pnl.setWidth("100%");
pnl.add(widget);
tPanel.add(pnl, constants.Assets());