package gwtappcontainer.client;
import gwtappcontainer.client.LoginServiceAsync;
import gwtappcontainer.shared.LoginInfoProp;
import gwtappcontainer.shared.ViewProp;
import java.util.logging.Logger;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.RootLayoutPanel;
/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class GWTAppContainer implements EntryPoint {
/**
* This is the entry point method.
*/
private Logger logger;
private LoginInfoProp loginInfoProp;
private ContainerPresenter containerPresenter;
public void onModuleLoad() {
logger = ContainerUtil.getLogger(GWTAppContainer.class.getName());
ContainerView containerView = new ContainerView();
containerPresenter = new ContainerPresenter(containerView);
RootLayoutPanel.get().add(containerView);
ContainerUtil.setBrowserWindowTitle(Constants.containerTitle);
containerPresenter.setTitle(Constants.containerTitle);
LoginServiceAsync loginSvc = GWT.create(LoginService.class);
loginSvc.login(getRequesUrl(), new AsyncCallback<LoginInfoProp>() {
@Override
public void onFailure(Throwable caught) {
String errMessage = "Exception thrown by login rpc." + caught.getMessage();
logger.severe(errMessage + "\n" + caught.toString());
Window.alert(errMessage +
". Try reloading the page by clicking the refresh button in your browser");
//to do : change to error dialog box
}
@Override
public void onSuccess(LoginInfoProp result) {
loginInfoProp = result;
if (result.loggedIn) {
containerPresenter.setUser(result.emailAddress);
containerPresenter.setSignoutLink(result.logoutUrl);
}
else {
containerPresenter.setUser("Not logged in");
containerPresenter.setSigninLink(loginInfoProp.loginUrl);
}
}
});
//add history listener
History.addValueChangeHandler(new ValueChangeHandler<String>() {
@Override
public void onValueChange(ValueChangeEvent<String> event) {
ViewProp viewDesc = ContainerUtil.getViewDesc(event.getValue());
containerPresenter.loadView(viewDesc);
}
});
//load home app
ViewProp viewDesc = ContainerUtil.getViewDesc(History.getToken());
containerPresenter.loadView(viewDesc);
}
private String getRequesUrl() {
String requestUrl = GWT.getHostPageBaseURL() + Window.Location.getQueryString();
return requestUrl;
}
@SuppressWarnings("unused")
private void testViewDesc() {
//TODO - move to testing framework
String hash;
hash = "";
Window.alert("hash = [" + hash + "] viewDesc " + ContainerUtil.getViewDesc(hash));
hash = "videos/view?tag=20130302";
Window.alert("hash = [" + hash + "] viewDesc " + ContainerUtil.getViewDesc(hash));
hash = "videos/view?tag1=20130302&tag2=20120101&tag3=20110101&tag4=sowmya";
Window.alert("hash = [" + hash + "] viewDesc " + ContainerUtil.getViewDesc(hash));
}
}