src/main/java/net/korabo/app/vaadin01/AddressbookUI.java

   1 /*
   2  * To change this license header, choose License Headers in Project Properties.
   3  * To change this template file, choose Tools | Templates
   4  * and open the template in the editor.
   5  */
   6 package net.korabo.app.vaadin01;
   7
   8 import com.vaadin.annotations.Theme;
   9 import com.vaadin.annotations.Title;
  10 import com.vaadin.annotations.VaadinServletConfiguration;
  11 import com.vaadin.annotations.Widgetset;
  12 import com.vaadin.data.util.BeanItemContainer;
  13 import com.vaadin.server.VaadinRequest;
  14 import com.vaadin.server.VaadinServlet;
  15 import com.vaadin.ui.Button;
  16 import com.vaadin.ui.Grid;
  17 import com.vaadin.ui.HorizontalLayout;
  18 import com.vaadin.ui.TextField;
  19 import com.vaadin.ui.UI;
  20 import com.vaadin.ui.VerticalLayout;
  21 import javax.servlet.annotation.WebServlet;
  22 import net.korabo.app.vaadin01.ent.Contact;
  23 import net.korabo.app.vaadin01.srv.ContactService;
  24
  25
  26 /**
  27  *
  28  * @author cintake
  29  */
  30 @Title("Addressbook")
  31 @Theme("valo")
  32 @Widgetset("net.korabo.app.vaadin01.MyAppWidgetset")
  33 public class AddressbookUI extends UI{
  34
  35
  36   TextField filter = new TextField();
  37     Grid contactList = new Grid();
  38     Button newContact = new Button("New contact");
  39
  40     // ContactForm is an example of a custom component class
  41     ContactForm contactForm = new ContactForm();
  42
  43     // ContactService is a in-memory mock DAO that mimics
  44     // a real-world datasource. Typically implemented for
  45     // example as EJB or Spring Data based service.
  46     ContactService service = ContactService.createDemoService();
  47
  48
  49     @Override
  50     protected void init(VaadinRequest request) {
  51         configureComponents();
  52         buildLayout();
  53     }
  54
  55
  56     private void configureComponents() {
  57
  58         newContact.addClickListener(e -> contactForm.edit(new Contact()));
  59
  60         filter.setInputPrompt("Filter contacts...");
  61         filter.addTextChangeListener(e -> refreshContacts(e.getText()));
  62
  63         contactList.setContainerDataSource(new BeanItemContainer<>(Contact.class));
  64         contactList.setColumnOrder("firstName", "lastName", "email");
  65         contactList.removeColumn("id");
  66         contactList.removeColumn("birthDate");
  67         contactList.removeColumn("phone");
  68         contactList.setSelectionMode(Grid.SelectionMode.SINGLE);
  69         contactList.addSelectionListener(e
  70                 -> contactForm.edit((Contact) contactList.getSelectedRow()));
  71         refreshContacts();
  72     }
  73
  74     private void buildLayout() {
  75         HorizontalLayout actions = new HorizontalLayout(filter, newContact);
  76         actions.setWidth("100%");
  77         filter.setWidth("100%");
  78         actions.setExpandRatio(filter, 1);
  79
  80         VerticalLayout left = new VerticalLayout(actions, contactList);
  81         left.setSizeFull();
  82         contactList.setSizeFull();
  83         left.setExpandRatio(contactList, 1);
  84
  85         HorizontalLayout mainLayout = new HorizontalLayout(left, contactForm);
  86         mainLayout.setSizeFull();
  87         mainLayout.setExpandRatio(left, 1);
  88
  89         // Split and allow resizing
  90         setContent(mainLayout);
  91     }
  92
  93     void refreshContacts() {
  94         refreshContacts(filter.getValue());
  95     }
  96
  97     private void refreshContacts(String stringFilter) {
  98         contactList.setContainerDataSource(new BeanItemContainer<>(
  99                 Contact.class, service.findAll(stringFilter)));
 100         contactForm.setVisible(false);
 101     }
 102
 103
 104
 105
 106     @WebServlet(urlPatterns = "/*")
 107     @VaadinServletConfiguration(ui = AddressbookUI.class, productionMode = false)
 108     public static class MyUIServlet extends VaadinServlet {
 109
 110     }
 111
 112
 113 }