Esempio n. 1
0
  public void update(User user) {
    this.hasFocus = true;
    if (user != currentUser) {
      updateHistoricMessages(revedereManager.getCurrentSession().getMessagesForUser(user));
    }

    this.currentUser = user;
    this.userNameLabel.setText(user.getName());
    addListenerOnShortMessageUpdateIfMissing();
  }
Esempio n. 2
0
 private void addListenerOnShortMessageUpdateIfMissing() {
   final RevedereSession currentRevedereSession = revedereManager.getCurrentSession();
   if (currentRevedereSession != null && collectorListener == null) {
     collectorListener =
         new CollectorListener<ShortMessageUpdate>() {
           @Override
           public void onUpdate(
               Collector<ShortMessageUpdate> collector, ShortMessageUpdate update) {
             if (hasFocus) {
               updateHistoricMessages(currentRevedereSession.getMessagesForUser(currentUser));
             }
           }
         };
     currentRevedereSession.addListenerToShortMessageCollector(collectorListener);
   }
 }
Esempio n. 3
0
public class MessageComposite extends Composite {
  private final RevedereManager revedereManager = RevedereManager.getInstance();
  private final Composite parent;
  private final Label userNameLabel;
  private final Label backButton;
  private final Image backImage;

  private final Button sendNewMessageButton;
  private final Text newMessageText;
  private final Text historicMessages;
  private final ViewStack viewStack;

  private boolean hasFocus = false;
  private User currentUser;
  private CollectorListener<ShortMessageUpdate> collectorListener;

  public MessageComposite(Composite parent, ViewStack viewStack) {
    super(parent, SWT.WRAP);
    this.viewStack = viewStack;
    this.parent = parent;
    setLayout(new GridLayout(2, false));

    userNameLabel = new Label(this, SWT.NONE);
    userNameLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

    backButton = new Label(this, SWT.NONE);
    backButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
    backImage =
        AbstractUIPlugin.imageDescriptorFromPlugin("EclipsePlugin", "/icons/back.png")
            .createImage();
    backButton.setImage(backImage);
    backButton.addMouseListener(
        new MouseAdapter() {
          @Override
          public void mouseDown(MouseEvent e) {
            hasFocus = false;
            viewStack.changeToUsersView();
          }
        });

    historicMessages =
        new Text(this, SWT.BORDER | SWT.READ_ONLY | SWT.H_SCROLL | SWT.V_SCROLL | SWT.CANCEL);
    historicMessages.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));

    newMessageText = new Text(this, SWT.BORDER);
    newMessageText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

    sendNewMessageButton = new Button(this, SWT.NONE);
    sendNewMessageButton.setText("Send");
    sendNewMessageButton.addMouseListener(
        new MouseAdapter() {
          @Override
          public void mouseDown(MouseEvent e) {
            if (!newMessageText.getText().isEmpty()) {
              revedereManager
                  .getCurrentSession()
                  .sendMessage(currentUser, newMessageText.getText());
              newMessageText.setText("");
            }
          }
        });
    this.parent.layout();
  }

  public void update(User user) {
    this.hasFocus = true;
    if (user != currentUser) {
      updateHistoricMessages(revedereManager.getCurrentSession().getMessagesForUser(user));
    }

    this.currentUser = user;
    this.userNameLabel.setText(user.getName());
    addListenerOnShortMessageUpdateIfMissing();
  }

  private void addListenerOnShortMessageUpdateIfMissing() {
    final RevedereSession currentRevedereSession = revedereManager.getCurrentSession();
    if (currentRevedereSession != null && collectorListener == null) {
      collectorListener =
          new CollectorListener<ShortMessageUpdate>() {
            @Override
            public void onUpdate(
                Collector<ShortMessageUpdate> collector, ShortMessageUpdate update) {
              if (hasFocus) {
                updateHistoricMessages(currentRevedereSession.getMessagesForUser(currentUser));
              }
            }
          };
      currentRevedereSession.addListenerToShortMessageCollector(collectorListener);
    }
  }

  private void updateHistoricMessages(Set<ShortMessage> messages) {
    final StringBuilder stringBuilder = new StringBuilder();
    for (ShortMessage message : messages) {
      stringBuilder.append(message);
      stringBuilder.append("\n");
    }

    Display.getDefault()
        .syncExec(
            new Runnable() {
              @Override
              public void run() {
                historicMessages.setText(stringBuilder.toString());
                viewStack.layout();
              }
            });
  }
}