Synnefo » Pithos Web Client

/*

 * Copyright 2011 GRNET S.A. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or

 * without modification, are permitted provided that the following

 * conditions are met:

 *

 *   1. Redistributions of source code must retain the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer.

 *

 *   2. Redistributions in binary form must reproduce the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer in the documentation and/or other materials

 *      provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 *

 * The views and conclusions contained in the software and

 * documentation are those of the authors and should not be

 * interpreted as representing official policies, either expressed

 * or implied, of GRNET S.A.

 */

package gr.grnet.pithos.web.client;

import gr.grnet.pithos.web.client.rest.GetRequest;

import gr.grnet.pithos.web.client.rest.RestException;

import com.google.gwt.core.client.GWT;

import com.google.gwt.core.client.Scheduler;

import com.google.gwt.http.client.Response;

import com.google.gwt.resources.client.ImageResource;

import com.google.gwt.user.client.Command;

import com.google.gwt.user.client.ui.AbstractImagePrototype;

import com.google.gwt.user.client.ui.Composite;

import com.google.gwt.user.client.ui.HTML;

import com.google.gwt.user.client.ui.HasHorizontalAlignment;

import com.google.gwt.user.client.ui.HasVerticalAlignment;

import com.google.gwt.user.client.ui.HorizontalPanel;

import com.google.gwt.user.client.ui.MenuBar;

import com.google.gwt.user.client.ui.MenuItem;

/**

 * The top panel, which contains the menu bar icons and the user name.

 */

public class TopPanel extends Composite {

        /**

         * A constant that denotes the completion of an IncrementalCommand.

         */

        public static final boolean DONE = false;

    Pithos app;

        /**

         * An image bundle for this widgets images.

         */

        public interface Images extends FilePermissionsDialog.Images {

                @Source("gr/grnet/pithos/resources/pithos2-logo.png")

                ImageResource pithosLogo();

                @Source("gr/grnet/pithos/resources/desc.png")

                ImageResource downArrow();

        }

        /**

         * The constructor for the top panel.

         *

         * @param images the supplied images

         */

        public TopPanel(Pithos _app, final Images images) {

        this.app = _app;

                HorizontalPanel outer = new HorizontalPanel();

                outer.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);

                outer.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);

                outer.setStyleName("pithos-topPanel");

                HorizontalPanel inner = new HorizontalPanel();

                inner.setWidth("75%");

                inner.setVerticalAlignment(HasVerticalAlignment.ALIGN_BOTTOM);

                HTML logos = new HTML("<table><tr><td><a href='/'>" + AbstractImagePrototype.create(images.pithosLogo()).getHTML() + "</a></td></tr></table>");

                logos.addStyleName("pithos-logo");

                inner.add(logos);

        MenuBar username = new MenuBar();

        username.setStyleName("pithos-usernameMenu");

        MenuBar userItemMenu = new MenuBar(true);

        userItemMenu.addStyleName("pithos-userItemMenu");

        userItemMenu.addItem(new MenuItem("invite friends...", new Command() {

                        @Override

                        public void execute() {

                                GetRequest<Invitations> getInvitations = new GetRequest<Invitations> (Invitations.class, "/im/", "", "invite?format=json") {

                                        @Override

                                        public void onSuccess(Invitations _result) {

                                                new InvitationsDialog(app, _result).center();

                                        }

                                        @Override

                                        public void onError(Throwable t) {

                                                GWT.log("", t);

                                                app.setError(t);

                            if (t instanceof RestException)

                                app.displayError("Error getting invitations: " + ((RestException) t).getHttpStatusText());

                            else

                                app.displayError("System error getting invitations: " + t.getMessage());

                                        }

                                        @Override

                                        protected void onUnauthorized(Response response) {

                                                app.sessionExpired();

                                        }

                                };

                                getInvitations.setHeader("X-Auth-Token", app.getToken());

                                Scheduler.get().scheduleDeferred(getInvitations);

                        }

                }));

        userItemMenu.addItem(new MenuItem("send feedback...", new Command() {

                        @Override

                        public void execute() {

                                new FeedbackDialog(app, "").center();

                        }

                }));

        userItemMenu.addItem(new MenuItem("API access", new Command() {

                        @Override

                        public void execute() {

                                new CredentialsDialog(app).center();

                        }

                }));

        userItemMenu.addItem(new MenuItem("logout", new Command() {

                        @Override

                        public void execute() {

                                app.logoff();

                        }

                }));

        MenuItem userItem = new MenuItem(_app.getUsername(), userItemMenu);

        userItem.addStyleName("pithos-usernameMenuItem");

        username.addItem(userItem);

        username.addSeparator();

        MenuItem langItem = new MenuItem("en", (Command) null);

        langItem.addStyleName("pithos-langMenuItem");

        username.addItem(langItem);

        inner.add(username);

        inner.setCellHorizontalAlignment(username, HasHorizontalAlignment.ALIGN_RIGHT);

        outer.add(inner);

        outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);

        outer.setCellVerticalAlignment(inner, HasVerticalAlignment.ALIGN_BOTTOM);

                initWidget(outer);

        }

}