/* * Copyright 2006 Google Inc. *  * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at *  * http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */package com.google.gwt.sample.mail.client;import com.google.gwt.user.client.ui.ClickListener;import com.google.gwt.user.client.ui.Composite;import com.google.gwt.user.client.ui.HTML;import com.google.gwt.user.client.ui.HorizontalPanel;import com.google.gwt.user.client.ui.Image;import com.google.gwt.user.client.ui.Label;import com.google.gwt.user.client.ui.PopupPanel;import com.google.gwt.user.client.ui.VerticalPanel;import com.google.gwt.user.client.ui.Widget;/** * A component that displays a list of contacts. */public class Contacts extends Composite {  /**   * Simple data structure representing a contact.   */  private class Contact {    public String email;    public String name;    public String photo = "default_photo.jpg";    public Contact(String name, String email) {      this.name = name;      this.email = email;    }  }  /**   * A simple popup that displays a contact's information.   */  private class ContactPopup extends PopupPanel {    public ContactPopup(Contact contact) {      // The popup's constructor's argument is a boolean specifying that it      // auto-close itself when the user clicks outside of it.      super(true);      VerticalPanel inner = new VerticalPanel();      Label nameLabel = new Label(contact.name);      Label emailLabel = new Label(contact.email);      inner.add(nameLabel);      inner.add(emailLabel);      HorizontalPanel hp = new HorizontalPanel();      hp.setSpacing(4);      hp.add(new Image(contact.photo));      hp.add(inner);      add(hp);      setStyleName("mail-ContactPopup");      nameLabel.setStyleName("mail-ContactPopupName");      emailLabel.setStyleName("mail-ContactPopupEmail");    }  }  private Contact[] contacts = new Contact[] {      new Contact("Benoit Mandelbrot", "benoit@example.com"),      new Contact("Albert Einstein", "albert@example.com"),      new Contact("Rene Descartes", "rene@example.com"),      new Contact("Bob Saget", "bob@example.com"),      new Contact("Ludwig von Beethoven", "ludwig@example.com"),      new Contact("Richard Feynman", "richard@example.com"),      new Contact("Alan Turing", "alan@example.com"),      new Contact("John von Neumann", "john@example.com")};  private VerticalPanel panel = new VerticalPanel();  public Contacts() {    // Add all the contacts to the list.    for (int i = 0; i < contacts.length; ++i) {      addContact(contacts[i]);    }    initWidget(panel);    setStyleName("mail-Contacts");  }  private void addContact(final Contact contact) {    final HTML link = new HTML("<a href='javascript:;'>" + contact.name        + "</a>");    panel.add(link);    // Add a click listener that displays a ContactPopup when it is clicked.    link.addClickListener(new ClickListener() {      public void onClick(Widget sender) {        ContactPopup popup = new ContactPopup(contact);        int left = link.getAbsoluteLeft() + 32;        int top = link.getAbsoluteTop() + 8;        popup.setPopupPosition(left, top);        popup.show();      }    });  }}