Java tutorial
/** * Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org> * * 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 org.onebusaway.webapp.gwt.mobile_application; import org.onebusaway.webapp.gwt.mobile_application.resources.MobileApplicationResources; import org.onebusaway.webapp.gwt.mobile_application.view.BookmarksViewController; import org.onebusaway.webapp.gwt.mobile_application.view.RecentStopsViewController; import org.onebusaway.webapp.gwt.mobile_application.view.SearchViewController; import org.onebusaway.webapp.gwt.viewkit.AbstractApplication; import org.onebusaway.webapp.gwt.viewkit.NavigationController; import org.onebusaway.webapp.gwt.viewkit.TabBarController; import org.onebusaway.webapp.gwt.viewkit.ViewController; import org.onebusaway.webapp.gwt.viewkit.events.ViewControllerSelectedEvent; import org.onebusaway.webapp.gwt.viewkit.events.ViewControllerSelectedHandler; import com.google.gwt.dom.client.StyleInjector; import com.google.gwt.resources.client.ImageResource; import com.google.gwt.user.client.ui.Image; public class MobileApplication extends AbstractApplication { private static final MobileApplicationResources _resources = MobileApplicationResources.INSTANCE; public MobileApplication() { TabBarController tabs = MobileApplicationContext.getRootController(); NavigationController maps = createNavigationController("map", "Map", _resources.getCrossHairsIcon(), MobileApplicationContext.getMapViewController()); NavigationController bookmarks = createNavigationController("bookmarks", "Bookmarks", _resources.getBookmarksIcon(), new BookmarksViewController()); NavigationController recentStops = createNavigationController("recent", "Recent", _resources.getClockIcon(), new RecentStopsViewController()); NavigationController search = createNavigationController("search", "Search", _resources.getMagnifyingGlassIcon(), new SearchViewController()); tabs.addViewController(maps); tabs.addViewController(bookmarks); tabs.addViewController(recentStops); tabs.addViewController(search); tabs.addVieControllerSelectedHandler(new ViewControllerSelectedHandler() { @Override public void handleViewControllerSelected(ViewControllerSelectedEvent event) { NavigationController nav = (NavigationController) event.getViewController(); nav.popToRootViewController(); } }); setRootViewController(tabs); StyleInjector.inject(_resources.getCSS().getText()); } private NavigationController createNavigationController(String id, String title, ImageResource img, ViewController firstView) { Image image = new Image(img.getURL(), img.getLeft(), img.getTop(), img.getWidth(), img.getHeight()); NavigationController navigationController = new NavigationController(); navigationController.getTabBarItem().setName(title); navigationController.getTabBarItem().setImage(image); navigationController.getNavigationItem().setId(id); navigationController.getNavigationItem().setTitle(title); navigationController.pushViewController(firstView); return navigationController; } }