es.upm.fi.dia.oeg.map4rdf.client.Browser.java Source code

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Here is the source code for es.upm.fi.dia.oeg.map4rdf.client.Browser.java

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/**
 * Copyright (c) 2011 Ontology Engineering Group, 
 * Departamento de Inteligencia Artificial,
 * Facultad de Informatica, Universidad 
 * Politecnica de Madrid, Spain
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package es.upm.fi.dia.oeg.map4rdf.client;

import java.util.HashMap;

import net.customware.gwt.presenter.client.place.PlaceChangedEvent;
import net.customware.gwt.presenter.client.place.PlaceManager;
import net.customware.gwt.presenter.client.place.DefaultPlaceManager;
import net.customware.gwt.presenter.client.place.PlaceRequest;
import net.customware.gwt.presenter.client.place.TokenFormatException;
import net.customware.gwt.presenter.client.place.TokenFormatter;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.RootLayoutPanel;

import es.upm.fi.dia.oeg.map4rdf.client.controllers.AppController;
import es.upm.fi.dia.oeg.map4rdf.client.event.LoadResourceEvent;
import es.upm.fi.dia.oeg.map4rdf.client.inject.Injector;
import es.upm.fi.dia.oeg.map4rdf.client.navigation.Places;

/**
 * 
 * 
 * @author Alexander De Leon
 */
public class Browser implements EntryPoint {
    Injector injector = null;

    @Override
    public void onModuleLoad() {
        try {
            injector = GWT.create(Injector.class);
        } catch (Exception e) {
            injector = null;
            Window.alert("An several exception ocurred when load the webpage. " + " Exception: " + e.getMessage()
                    + "." + "Please contact with System Admin");
            return;
        }
        AppController controller = new AppController(injector.getBrowserUi(), injector.getEventBus());
        controller.addPresenter(injector.getDashboard(), Places.DASHBOARD);
        controller.addPresenter(injector.getSelectConfigurationPresenter(), Places.SELECT_CONFIG);
        controller.bind();

        RootLayoutPanel.get().add(controller.getDisplay().asWidget());

        TokenFormatter tokenFormatter = new TokenFormatter() {
            private HashMap<String, PlaceRequest> tokenPlaces = new HashMap<String, PlaceRequest>();
            private HashMap<PlaceRequest, String> placeTokens = new HashMap<PlaceRequest, String>();

            @Override
            public PlaceRequest toPlaceRequest(String token) throws TokenFormatException {

                PlaceRequest toReturn;
                if (tokenPlaces.containsKey(token)) {
                    toReturn = tokenPlaces.get(token);
                } else {
                    toReturn = new PlaceRequest(token);
                    tokenPlaces.put(token, toReturn);
                    placeTokens.put(toReturn, token);
                }
                return toReturn;
            }

            @Override
            public String toHistoryToken(PlaceRequest placeRequest) throws TokenFormatException {
                String token;
                if (placeTokens.containsKey(placeRequest)) {
                    token = placeTokens.get(placeRequest);
                } else {
                    token = placeRequest.getName();
                    tokenPlaces.put(token, placeRequest);
                    placeTokens.put(placeRequest, token);
                }

                return token;
            }
        };
        PlaceManager placeManager = new DefaultPlaceManager(injector.getEventBus(), tokenFormatter) {
        };
        if (!injector.getConfigID().existsConfigID()) {
            injector.getEventBus().fireEvent(new PlaceChangedEvent(Places.SELECT_CONFIG));
        } else {
            if (History.getToken() == null || History.getToken().length() == 0) {
                // Go to the default place
                injector.getEventBus().fireEvent(new PlaceChangedEvent(Places.DEFAULT));
            }
            // Trigger history tokens.
            // ONLY IS VALID IF THE APP HAVE VALID CONFIG ID
            String parameters[] = Window.Location.getQueryString().substring(1).split("&");
            for (String param : parameters) {
                final String[] parts = param.split("=");
                if (parts[0].equals("uri")) {
                    //TODO remove timer and use events.
                    Timer timer = new Timer() {
                        @Override
                        public void run() {
                            LoadResourceEvent.fire(parts[1], injector.getEventBus());
                        }
                    };
                    timer.schedule(2000);
                }
            }
        }
        placeManager.fireCurrentPlace();

    }

}