com.isotrol.impe3.pms.gui.client.Pms.java Source code

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Here is the source code for com.isotrol.impe3.pms.gui.client.Pms.java

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/**
 * This file is part of Port@l
 * Port@l 3.0 - Portal Engine and Management System
 * Copyright (C) 2010  Isotrol, SA.  http://www.isotrol.com
 *
 * Port@l is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Port@l is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Port@l.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.isotrol.impe3.pms.gui.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
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.rpc.AsyncCallback;
import com.isotrol.impe3.pms.api.session.SessionDTO;
import com.isotrol.impe3.pms.gui.client.ioc.IPmsFactory;
import com.isotrol.impe3.pms.gui.client.ioc.PmsFactory;
import com.isotrol.impe3.pms.gui.client.widget.LoginPanel;

/**
 * Entry Point for Portal Management System app.
 */
public class Pms implements EntryPoint {

    /**
     * Application entry point. <br/> Shows the login widget or enter in application directly if you are logged
     */
    public void onModuleLoad() {

        IPmsFactory factory = PmsFactory.getInstance();
        final LoginPanel loginPanel = factory.getLoginPanel();

        // checks if the session is still active
        AsyncCallback<SessionDTO> callback = new AsyncCallback<SessionDTO>() {

            public void onSuccess(SessionDTO result) {
                if (result != null) {
                    loginPanel.showPmsViewport(result);
                    // load frame columns from JSON
                    loginPanel.getPmsUtil().loadDesignColumns();
                } else {
                    getPropertiesFileAndShowLogin(loginPanel);
                }
            }

            public void onFailure(Throwable caught) {
                getPropertiesFileAndShowLogin(loginPanel);
            }
        };
        loginPanel.getSessionsService().getSession(callback);
    }

    private void getPropertiesFileAndShowLogin(final LoginPanel loginPanel) {
        RequestBuilder json = new RequestBuilder(RequestBuilder.GET, "properties.json");
        json.setCallback(new RequestCallback() {

            public void onResponseReceived(Request request, Response response) {
                loginPanel.getPmsUtil().loadProperties(response);
                showLogin(loginPanel);
            }

            public void onError(Request request, Throwable exception) {
                GWT.log("Throwable: " + exception.getMessage());
                exception.printStackTrace();
            }
        });
        try {
            json.send();
        } catch (RequestException e) {
            GWT.log("RequestException: " + e.getMessage());
            e.printStackTrace();
        }

    }

    private void showLogin(LoginPanel loginPanel) {
        if (GWT.isScript()) {
            removeHash();
        }
        loginPanel.show();
    }

    private native void removeHash() /*-{
                                     if($wnd.location.hash) {
                                     $wnd.location.hash = "";
                                     }
                                     }-*/;

}