ToolStrip preferencesToolStrip = new ToolStrip();
preferencesToolStrip.setWidth100();
preferencesToolStrip.addFill();
ToolStripButton restoreButton = new ToolStripButton("Restore State", "silk/database_gear.png");
restoreButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
Record record = preferecesGrid.getSelectedRecord();
if (record != null) {
String viewState = record.getAttribute("viewState");