Vaadin window scrolling - vaadin7

Question

I have a vaadin window with a specific size When the browser window is small, some fields aren't visible (probably because of the size of the window). We need to enable scrolling in these cases.So I try to add the content of my window in a panel but it doesn't work .Have you any idea please?
setModal(true);
setResizable(false);
setClosable(false);
Panel mainPanel = new Panel();
VerticalLayout content = new VerticalLayout();
content.addComponent.......
content.setSizeFull();
mainPanel.setContent(content);

Answer 1

The solution that came to my mind, is to set both max-height and 100% height of the modal window, so that if the content has not enough space (due to browser window size) scrollbar will appear. Contrary, when browser window is big enough, max-height come into play and the modal window is centered and has predefined in ccs max-height.
Code sample that works in my app:
windowOpenButton.addClickListener(event -> {
Window window = new Window();
window.setWidth("100px");
window.setHeight("100%");
window.setModal(true);
window.setResizable(false);
window.setClosable(false);
Panel panel = new Panel();
Button close = new Button("close");
close.addClickListener(event1 -> window.close());
VerticalLayout content = new VerticalLayout(new Button(), new Button(), new Button(), new Button(), new Button(), new Button(), new Button(), new Button(), new Button(), new Button(), close);
content.setSizeFull();
panel.setContent(content);
window.setContent(panel);
window.setStyleName("max_height");
panel.setSizeUndefined();
UI.getCurrent().addWindow(window);
});
css:
.max_height {
max-height: 350px;
}

Answer 2

Instead you can just use setSizeFull() in your window to achieve that
so your code will be like :
setModal(true);
setResizable(false);
setClosable(false);
setSizeFull()
Panel mainPanel = new Panel();
VerticalLayout content = new VerticalLayout();
content.addComponent.......
content.setSizeFull();
mainPanel.setContent(content);