ResponsePresenter.java

/**
 * Copyright 2010 ArcBees Inc.
 * 
 * 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 com.gwtplatform.samples.basic.client;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.inject.Inject;
import com.gwtplatform.dispatch.client.DispatchAsync;
import com.gwtplatform.mvp.client.EventBus;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.View;
import com.gwtplatform.mvp.client.annotations.NameToken;
import com.gwtplatform.mvp.client.annotations.ProxyCodeSplit;
import com.gwtplatform.mvp.client.proxy.Place;
import com.gwtplatform.mvp.client.proxy.PlaceManager;
import com.gwtplatform.mvp.client.proxy.PlaceRequest;
import com.gwtplatform.mvp.client.proxy.Proxy;
import com.gwtplatform.mvp.client.proxy.RevealRootContentEvent;
import com.gwtplatform.samples.basic.shared.SendTextToServer;
import com.gwtplatform.samples.basic.shared.SendTextToServerResult;

/**
 * @author Philippe Beaudoin
 */
public class ResponsePresenter extends
		Presenter<ResponsePresenter.MyView, ResponsePresenter.MyProxy> {
	/**
	 * {@link ResponsePresenter}'s proxy.
	 */
	@ProxyCodeSplit
	@NameToken(nameToken)
	public interface MyProxy extends Proxy<ResponsePresenter>, Place {
	}

	/**
	 * {@link ResponsePresenter}'s view.
	 */
	public interface MyView extends View {
		Button getCloseButton();

		void setServerResponse(String serverResponse);

		void colorize();

		// void setTextToServer(String textToServer);
	}

	public static final String nameToken = "response";

	public static final String textToServerParam = "textToServer";

	private final DispatchAsync dispatcher;
	private final PlaceManager placeManager;

	private String textToServer;

	@Inject
	public ResponsePresenter(EventBus eventBus, MyView view, MyProxy proxy,
			PlaceManager placeManager, DispatchAsync dispatcher) {
		super(eventBus, view, proxy);
		this.placeManager = placeManager;
		this.dispatcher = dispatcher;
	}

	@Override
	public void prepareFromRequest(PlaceRequest request) {
		super.prepareFromRequest(request);
		textToServer = request.getParameter(textToServerParam, null);
	}

	@Override
	protected void onBind() {
		super.onBind();
		registerHandler(getView().getCloseButton().addClickHandler(
				new ClickHandler() {
					@Override
					public void onClick(ClickEvent event) {
						placeManager.revealPlace(new PlaceRequest(
								MainPagePresenter.nameToken));
					}
				}));
	}

	@Override
	protected void onReset() {
		super.onReset();
		// getView().setTextToServer(textToServer);
		getView().setServerResponse("Waiting for response...");
		dispatcher.execute(new SendTextToServer(textToServer),
				new AsyncCallback<SendTextToServerResult>() {
					@Override
					public void onFailure(Throwable caught) {
						getView().setServerResponse(
								"An error occured: " + caught.getMessage());
					}

					@Override
					public void onSuccess(SendTextToServerResult result) {
						getView().setServerResponse(result.getResponse());
						//getView().colorize();
					}
				});
	}

	@Override
	public void onReveal() {
		System.out.print("aasd");
	}

	@Override
	protected void revealInParent() {
		RevealRootContentEvent.fire(this, this);
	}
}