si.test.client.Demo.java Source code

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Here is the source code for si.test.client.Demo.java

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/*******************************************************************************
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * 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 si.test.client;

import si.test.client.jsinterop.JsObject;
import si.test.client.jsinterop.JsonReturnObject;
import si.test.client.xhr.MyXMLHttpRequest.ResponseType;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.shared.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.http.client.MyRequestBuilder;
import com.google.gwt.http.client.MyRequestBuilder.MyRequest;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.RootPanel;

//http://www.html5rocks.com/en/tutorials/workers/basics/#toc-inlineworkers-bloburis
//http://stackoverflow.com/questions/27442120/open-a-pdf-content-in-a-new-browser-tab

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class Demo implements EntryPoint {
    private Button clickMeButton;

    public void onModuleLoad() {
        RootPanel rootPanel = RootPanel.get();

        clickMeButton = new Button();
        rootPanel.add(clickMeButton);
        clickMeButton.setText("Click me!");
        clickMeButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                //            DemoService.Util.getInstance().test("Sebi", new AsyncCallback<String>() 
                //            {
                //               @Override
                //               public void onSuccess(String arg0) 
                //               {
                //                  Window.alert(arg0);
                //               }
                //               
                //               @Override
                //               public void onFailure(Throwable arg0) 
                //               {
                //                  Window.alert(arg0.getMessage());
                //               }
                //            });
                /*
                 * Primer kako vraa default - text in potem convert to json
                      RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, "ServletReturnJson");
                      try 
                      {
                         RequestCallback requestCallback = new RequestCallback()
                         {
                            @Override
                            public void onResponseReceived(Request request, Response response) 
                            {
                //                     JsObject obj = JsonUtil.getJSON().parse(response.getText() + "aaa");
                //                     JsObject obj = JSON.parse(response.getText());
                 JsObject obj = JsonUtil.parseJson(response.getText());
                 if(obj != null)
                 {
                    JsonReturnObject jro = JsObject.cast(obj);
                    Window.alert(jro.getX());
                    Window.alert(response.getText());
                 }
                            }
                                
                            @Override
                            public void onError(Request request, Throwable exception) 
                            {
                 Window.alert(exception.getMessage());
                            }
                         };
                         builder.sendRequest(null, requestCallback);
                          
                      }
                      catch (RequestException e) 
                      {
                         Window.alert(e.getMessage());
                      }
                */
                MyRequestBuilder builder = new MyRequestBuilder(RequestBuilder.POST, "ServletReturnJson");
                builder.setResponseType(ResponseType.Json);
                try {
                    RequestCallback requestCallback = new RequestCallback() {
                        @Override
                        public void onResponseReceived(Request request, Response response) {
                            GWT.log("response: " + response);
                            JsObject json = ((MyRequest) request).getMyXMLHttpRequest().getResponseJson();
                            JsonReturnObject jro = JsObject.cast(json);
                            Window.alert(jro.getX() + "   " + jro.getY());
                        }

                        @Override
                        public void onError(Request request, Throwable exception) {
                            Window.alert(exception.getMessage());
                        }
                    };
                    builder.sendRequest(null, requestCallback);

                } catch (RequestException e) {
                    Window.alert(e.getMessage());
                }

            }
        });
    }
}