builder.setFormFactory(new LayoutFactory());
MyModel pojo = new MyModel();
ActivatorControl control = new ActivatorControl();
control.setFocusManager(new InformationFocus());
LayoutModelByPojo layout = new LayoutModelByPojo(pojo);
layout.setFormControl(control);
layout.setFormFactory(builder.getFormFactory());
layout.doBuild();
builder.setRoot(layout.getModelRoot());
builder.doBuild();
builder.getRootComposit().setWidth("800px");
mainWindow.addComponent(builder.getRootComposit());