Hello,
I am new to GWT.
I am developing sample app on GWT using activity & places concept.
It is giving an error in view file button click event..
Please guide me.
package com.wa.WebpageSample.client.view;
import com.google.gwt.place.shared.Place;
import com.google.gwt.user.client.ui.IsWidget;
public interface LeftLayoutView extends IsWidget {
void setPresenter(Presenter presenter);
public interface Presenter{
void goTo(Place place);
}
}
package com.wa.WebpageSample.client.view;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Widget;
import com.sun.security.sasl.ClientFactoryImpl;
import com.wa.WebpageSample.client.ClientFactory;
import com.wa.WebpageSample.client.place.AboutUsPlace;
import com.wa.WebpageSample.client.place.LeftLayoutPlace;
public class LeftLayoutViewImpl extends Composite implements LeftLayoutView
{
private static LeftLayoutViewImplUiBinder uiBinder =
GWT.create(LeftLayoutViewImplUiBinder.class);
interface LeftLayoutViewImplUiBinder extends
UiBinder<Widget, LeftLayoutViewImpl> {
}
@UiField
Button btnabout,btncontact;
private Presenter presenter;
ClientFactory clientFactory;
public LeftLayoutViewImpl() {
}
public LeftLayoutViewImpl(ClientFactory clientFactory) {
initWidget(uiBinder.createAndBindUi(this));
this.clientFactory = clientFactory;
}
@Override
public void setPresenter(Presenter presenter) {
this.presenter = presenter;
}
@UiHandler("btnabout")
public void onClick(ClickEvent event){
//this.clientFactory.getPlaceController().goTo(new
LeftLayoutPlace("LeftView"));
//this.clientFactory.getPlaceController().goTo(new
AboutUsPlace("AboutUsView"));
presenter.goTo(new LeftLayoutPlace("AboutUs"));
//Window.alert("Hello");
}
@UiHandler("btncontact")
public void onClick1(ClickEvent event) {
Window.alert("World");
}
}
package com.wa.WebpageSample.client.activity;
import com.google.gwt.activity.shared.AbstractActivity;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.place.shared.Place;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.wa.WebpageSample.client.ClientFactory;
import com.wa.WebpageSample.client.place.LeftLayoutPlace;
import com.wa.WebpageSample.client.view.LeftLayoutView;
public class LeftLayoutActivity extends AbstractActivity implements
LeftLayoutView.Presenter {
private ClientFactory clientFactory;
public LeftLayoutActivity(LeftLayoutPlace leftPlace,ClientFactory
clientFactory) {
this.clientFactory = clientFactory;
}
public LeftLayoutActivity(ClientFactory clientFactory2) {
this.clientFactory = clientFactory2;
}
@Override
public void start(AcceptsOneWidget panel, EventBus eventBus) {
LeftLayoutView leftView = clientFactory.getLayoutView();
panel.setWidget(leftView.asWidget());
}
@Override
public void goTo(Place place) {
clientFactory.getPlaceController().goTo(place);
}
}
package com.wa.WebpageSample.client;
import com.google.gwt.activity.shared.ActivityManager;
import com.google.gwt.activity.shared.ActivityMapper;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.place.shared.Place;
import com.google.gwt.place.shared.PlaceController;
import com.google.gwt.place.shared.PlaceHistoryHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiTemplate;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.gwt.user.client.ui.DockLayoutPanel;
import com.google.gwt.user.client.ui.RootLayoutPanel;
import com.google.gwt.user.client.ui.SimpleLayoutPanel;
import com.google.gwt.user.client.ui.Widget;
import com.wa.WebpageSample.client.activity.LeftLayoutActivityMapper;
import com.wa.WebpageSample.client.activity.RightLayoutActivityMapper;
import com.wa.WebpageSample.client.place.AppPlaceMapper;
import com.wa.WebpageSample.client.place.LeftLayoutPlace;
import com.wa.WebpageSample.client.place.RightLayoutPlace;
import com.wa.WebpageSample.client.view.LeftLayoutViewImpl;
import com.wa.WebpageSample.client.view.RightLayoutViewImpl;
import com.wa.WebpageSample.client.view.TopLayoutViewImpl;
public class WebpageSample implements EntryPoint {
//private static WebpageSampleUiBinder uiBinder =
GWT.create(WebpageSampleUiBinder.class);
//interface WebpageSampleUiBinder extends UiBinder<Widget, WebpageSample> {}
@UiTemplate("WebpageSample.ui.xml")
interface Binder extends UiBinder <DockLayoutPanel,WebpageSample>{}
private static final Binder binder = GWT.create(Binder.class);
private Place defaultPlace = new LeftLayoutPlace("LeftView");
@UiField
SimpleLayoutPanel topPanel,leftPanel,rightPanel;
@Override
public void onModuleLoad() {
DockLayoutPanel outer = binder.createAndBindUi(this);
ClientFactory clientFactory = GWT.create(ClientFactory.class);
EventBus eventBus = clientFactory.getEventBus();
PlaceController placeController =
clientFactory.getPlaceController();
ActivityMapper leftPanelActivityMapper = new
LeftLayoutActivityMapper(clientFactory);
ActivityManager leftPanelActivityManager = new
ActivityManager(leftPanelActivityMapper, eventBus);
leftPanelActivityManager.setDisplay(leftPanel);
ActivityMapper rightPanelActivityMapper = new
RightLayoutActivityMapper(clientFactory);
ActivityManager rightPanelActivityManager = new
ActivityManager(rightPanelActivityMapper, eventBus);
rightPanelActivityManager.setDisplay(rightPanel);
AppPlaceMapper historyMapper= GWT.create(AppPlaceMapper.class);
PlaceHistoryHandler historyHandler = new
PlaceHistoryHandler(historyMapper);
historyHandler.register(placeController, eventBus,defaultPlace);
RootLayoutPanel.get().add(outer);
historyHandler.handleCurrentHistory();
}
}
How to change center view on button click on left side of webpage?
How to switch between multiple activities?
Thanks
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