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Recent Posts
Vaadin Forum3. Vaadin 6, 7, 8

Window layout issues

Kevin Klein
7 years ago Dec 22, 2015 1:20am

I'm having some issues getting a window with a GridLayout to size as I would expect. The right-hand buttons appear off the right side of the window, and stay there even as I resize the window. There is also always a horizontal scroll bar at the bottom of the window.

A screen shot and source code are attached.

 

Aziz Rehman
7 years ago Dec 22, 2015 10:01am

Hi, I would rather use the VerticalLayout instead of GridLayout:

i.e. you can replace your code with the following to see the result: 

setCaption("Demo");
      setWidth("640px");
      setHeight("480px");

      field1 = new TextField("Enter Value:");
      field2 = new TextField("Another Value:");

      buttonA = new Button("Top");
      buttonB = new Button("Bottom");

      button1 = new Button("OK");
      button2 = new Button("Cancel");

      FormLayout form = new FormLayout();

      form.addComponent(field1);
      form.addComponent(field2);

      FormLayout vert = new FormLayout(buttonA, buttonB);
      vert.setSpacing(true);
      form.addComponent(vert);
      
      HorizontalLayout horz = new HorizontalLayout(button1, button2);
      horz.setSpacing(true);

      
      HorizontalLayout topLayout= new HorizontalLayout();
      
      topLayout.addComponent(form);
      topLayout.setSpacing(true);
      topLayout.addComponent(vert);
      
      
      VerticalLayout mainLayout= new VerticalLayout();
      mainLayout.setSpacing(true);
      
      
      
      mainLayout.addComponent(topLayout);
      mainLayout.addComponent(horz);
      mainLayout.setComponentAlignment(topLayout, Alignment.MIDDLE_CENTER);
      mainLayout.setComponentAlignment(horz, Alignment.MIDDLE_CENTER);

      
      setContent(mainLayout);
Kevin Klein
7 years ago Dec 22, 2015 3:42pm

Problem solved.

The combination of the FormLayout with a width of 100% and the VertLayout with no specified width apparently confused the layout system. Adding vertLayout.setWidth("80px") made everyone happy again.
 

Kevin Klein
7 years ago Dec 22, 2015 4:35pm

Additionally, the layout doesn't seem to work well with components sized in ems. Pixels appears to work best.