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

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

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

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

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

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;

        /**

         * An image bundle for this widgets images.

         */

        public interface Images extends ClientBundle, FileMenu.Images, EditMenu.Images,

                        SettingsMenu.Images, FilePropertiesDialog.Images,

                        HelpMenu.Images, LoadingIndicator.Images {

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

                ImageResource exit();

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

                ImageResource folder();

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

                ImageResource edit();

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

                ImageResource group();

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

                ImageResource configure();

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

                ImageResource help();

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

                ImageResource gssLogo();

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

                ImageResource grnetLogo();

        }

        /**

         * The menu bar widget.

         */

        private MenuBar menu;

        /**

         * The file menu widget.

         */

        private FileMenu fileMenu;

        /**

         * The edit menu widget.

         */

        private EditMenu editMenu;

        /**

         * The settings menu widget.

         */

        private SettingsMenu settingsMenu;

        /**

         * The help menu widget.

         */

        private HelpMenu helpMenu;

        /**

         * A widget that displays a message indicating that communication with the

         * server is underway.

         */

        private LoadingIndicator loading;

        /**

         * The constructor for the top panel.

         *

         * @param images the supplied images

         */

        public TopPanel(Images images) {

                fileMenu = new FileMenu(images);

                editMenu = new EditMenu(images);

                settingsMenu = new SettingsMenu(images);

                helpMenu = new HelpMenu(images);

                loading = new LoadingIndicator(images);

        loading.hide();

                HorizontalPanel outer = new HorizontalPanel();

                outer.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);

                menu = new MenuBar();

                menu.setWidth("100%");

                menu.setAutoOpen(false);

                menu.setAnimationEnabled(true);

                menu.setStyleName("toolbarmenu");

                Command quitCommand = new Command(){

                        @Override

                        public void execute() {

                                QuitDialog dlg = new QuitDialog();

                                dlg.center();

                        }

                };

                MenuItem quitItem = new MenuItem("<table style='font-size: 100%'><tr><td>" +

                                        AbstractImagePrototype.create(images.exit()).getHTML() + "</td><td>Quit</td></tr></table>", true, quitCommand);

                quitItem.getElement().setId("topMenu.quit");

                MenuItem fileItem = new MenuItem("<table style='font-size: 100%'><tr><td>" +

                                        AbstractImagePrototype.create(images.folder()).getHTML() + "</td><td>File</td></tr></table>", true, new MenuBar(true)){

                        @Override

                        public MenuBar getSubMenu() {

                                return fileMenu.createMenu();

                        }

                };

                fileItem.getElement().setId("topMenu.file");

                MenuItem editItem = new MenuItem("<table style='font-size: 100%'><tr><td>" +

                                        AbstractImagePrototype.create(images.edit()).getHTML() + "</td><td>Edit</td></tr></table>", true, new MenuBar(true)){

                        @Override

                        public MenuBar getSubMenu() {

                                return editMenu.createMenu();

                        }

                };

                editItem.getElement().setId("topMenu.edit");

                MenuItem configureItem = new MenuItem("<table style='font-size: 100%'><tr><td>" +

                                        AbstractImagePrototype.create(images.configure()).getHTML() + "</td><td>Settings</td></tr></table>",

                                        true,settingsMenu.getContextMenu());

                configureItem.getElement().setId("topMenu.settings");

                MenuItem helpItem = new MenuItem("<table style='font-size: 100%'><tr><td>" +

                                        AbstractImagePrototype.create(images.help()).getHTML() + "</td><td>Help</td></tr></table>", true, new MenuBar(true)){

                        @Override

                        public MenuBar getSubMenu() {

                                return helpMenu.createMenu();

                        }

                };

                helpItem.getElement().setId("topMenu.help");

                menu.addItem(quitItem);

                menu.addItem(fileItem);

                menu.addItem(editItem);

                menu.addItem(configureItem);

                menu.addItem(helpItem);

                outer.setSpacing(2);

                outer.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);

                outer.setCellVerticalAlignment(menu, HasVerticalAlignment.ALIGN_MIDDLE);

                outer.add(menu);

                outer.setStyleName("toolbar");

                outer.add(loading);

                HTML logos = new HTML("<table><tr><td><a href='http://pithos.grnet.gr/pithos' target='pithos'>" +        AbstractImagePrototype.create(images.gssLogo()).getHTML() +

                                        "</a><a href='http://www.grnet.gr/' " +        "target='grnet'>" +

                                        AbstractImagePrototype.create(images.grnetLogo()).getHTML()+"</a></td></tr></table>");

                outer.add(logos);

                outer.setCellHorizontalAlignment(logos, HasHorizontalAlignment.ALIGN_RIGHT);

                initWidget(outer);

        }

        /**

         * Retrieve the loading.

         *

         * @return the loading

         */

        public LoadingIndicator getLoading() {

                return loading;

        }

        /**

         * Retrieve the fileMenu.

         *

         * @return the fileMenu

         */

        FileMenu getFileMenu() {

                return fileMenu;

        }

        /**

         * Retrieve the editMenu.

         *

         * @return the editMenu

         */

        EditMenu getEditMenu() {

                return editMenu;

        }

}