How to use

Navigation

in

org.jboss.errai.ui.nav.client.local

 @EntryPoint
public class Bootstrap
{

  @Inject
  Navigation navigation;


  @PostConstruct
  public void buildUI()
  {
    navigation.getContentPanel().setWidth("100%");
    navigation.getContentPanel().setHeight("100%");
    RootPanel.get().add(navigation.getContentPanel());
  }

}

 @Override
 public void callback(Navigation navigation) {
  navigation.goTo(toPageWidgetType, state);
 }
});

 @Override
 public void callback(final Navigation navigation) {
  navigation.goToWithRole(uniquePageRole);
 }
});

private Class<?> getCurrentPage() {
 if (navigation.getCurrentPage() != null) {
  return navigation.getCurrentPage().contentType();
 }
 else {
  // Guaranteed to exist at compile-time.
  return navigation.getPagesByRole(DefaultPage.class).iterator().next().contentType();
 }
}

maybeAttachContentPanel();
currentPageToken = request.state;
if ((unwrappedComponent instanceof Composite) && (getCompositeWidget((Composite) unwrappedComponent) == null)) {
 final HandlerRegistration reg = widget.addAttachHandler(new Handler() {
  @Override
 pageHiding(unwrappedComponent, widget, request, fireEvent);

/**
 * Gets the application context used in pushstate URL paths. This application context should match the deployed
 * application context in your web.xml
 *
 * @return The application context. This may return the empty String (but never null). If non-empty, the return value
 *         always starts with a slash and never ends with one.
 */
public static String getAppContext() {
 if (PushStateUtil.isPushStateActivated())
  return getAppContextFromHostPage();
 else
  return "";
}

private Multimap<String, String> getCurrentPageState() {
 return navigation.getCurrentState();
}

/**
 * Returns the URL path for this HistoryToken, that can be parsed by {@link HistoryTokenFactory#parseURL(String)}
 * <p>
 * This URL path includes the application context.
 */
@Override
public String toString() {
 final String url = pattern.printURL(state);
 final String context = Navigation.getAppContext();
 if (!context.isEmpty() && !url.startsWith("/")) {
  return context + "/" + url;
 }
 else {
  return context + url;
 }
}

@Override
public void navigateBackOrHome() {
 // Guaranteed to exist at compile-time.
 final PageNode<?> defaultPageNode = navigation.getPagesByRole(DefaultPage.class).iterator().next();
 navigateBackOrToPage(defaultPageNode.contentType());
}

/**
 * Initialize the anchor's href attribute.
 *
 * @param toPage
 *          The page type this transition goes to. Not null.
 * @param state
 *          The page state.  Cannot be null (but can be an empty multimap)
 */
private void initHref(Class<P> toPage, Multimap<String, String> state) {
 PageNode<P> toPageInstance = navigation.getNavGraph().getPage(toPage);
 HistoryToken token = htFactory.createHistoryToken(toPageInstance.name(), state);
 String href = "#" + token.toString();
 setHref(href);
}

maybeAttachContentPanel();
currentPageToken = request.state;
if ((unwrappedComponent instanceof Composite) && (getCompositeWidget((Composite) unwrappedComponent) == null)) {
 final HandlerRegistration reg = widget.addAttachHandler(new Handler() {
  @Override
 pageHiding(unwrappedComponent, widget, request, fireEvent);

private Class<?> getCurrentPage() {
 if (navigation.getCurrentPage() != null) {
  return navigation.getCurrentPage().contentType();
 }
 else {
  // Guaranteed to exist at compile-time.
  return navigation.getPagesByRole(DefaultPage.class).iterator().next().contentType();
 }
}

/**
 * Gets the application context used in pushstate URL paths. This application context should match the deployed
 * application context in your web.xml
 *
 * @return The application context. This may return the empty String (but never null). If non-empty, the return value
 *         always starts with a slash and never ends with one.
 */
public static String getAppContext() {
 if (PushStateUtil.isPushStateActivated())
  return getAppContextFromHostPage();
 else
  return "";
}

private Multimap<String, String> getCurrentPageState() {
 return navigation.getCurrentState();
}

/**
 * Returns the URL path for this HistoryToken, that can be parsed by {@link HistoryTokenFactory#parseURL(String)}
 * <p>
 * This URL path includes the application context.
 */
@Override
public String toString() {
 final String url = pattern.printURL(state);
 final String context = Navigation.getAppContext();
 if (!context.isEmpty() && !url.startsWith("/")) {
  return context + "/" + url;
 }
 else {
  return context + url;
 }
}

@Override
public void navigateBackOrHome() {
 // Guaranteed to exist at compile-time.
 final PageNode<?> defaultPageNode = navigation.getPagesByRole(DefaultPage.class).iterator().next();
 navigateBackOrToPage(defaultPageNode.contentType());
}

/**
 * Initialize the anchor's href attribute.
 *
 * @param toPage
 *          The page type this transition goes to. Not null.
 * @param state
 *          The page state.  Cannot be null (but can be an empty multimap)
 */
private void initHref(Class<P> toPage, Multimap<String, String> state) {
 PageNode<P> toPageInstance = navigation.getNavGraph().getPage(toPage);
 HistoryToken token = htFactory.createHistoryToken(toPageInstance.name(), state);
 String href = "#" + token.toString();
 setHref(href);
}

/**
 * Programmatically click on the anchor (with alternate page state).
 * @param state
 */
public void click(Multimap<String,String> state) {
 navigation.goTo(toPageWidgetType, state);
}

 @Override
 public void callback(final Navigation navigation) {
  navigation.goToWithRole(uniquePageRole);
 }
});

 @Override
 public NavigationPanel get() {
  if (!(navigation.getContentPanel() instanceof NavigationPanel)) {
   throw new RuntimeException("Default navigation panel is not of type: " + NavigationPanel.class.getName()
       + ". You replaced it with: " + navigation.getContentPanel().getClass().getName());
  }

  return (NavigationPanel) navigation.getContentPanel();
 }
}