Hi,
I’m a new to Vaadin.
I have a button, when click, it will open a new form. See piece of code below.
Does it efficient to open a new form with call removeAllComponents() then add a new component ?
Thanks
@Override
public void init() {
buildMainLayout();
}
private void buildMainLayout() {
setMainWindow(new Window("application"));
AbsoluteLayout abs = new AbsoluteLayout();
abs.addComponent(createToolbar());
getMainWindow().setContent(abs);
}
private HorizontalLayout createToolbar() {
HorizontalLayout lo = new HorizontalLayout();
Button buttonOpen = new Button();
buttonOpen.setCaption("Open");
buttonOpen.addListener(new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
HelloCustomComponent h = new HelloCustomComponent();
getMainWindow().getContent().removeAllComponents();
getMainWindow().getContent().addComponent(h);
}
});
lo.addComponent(buttonOpen);
return lo;
}