Synnefo

/*

 * Copyright 2007, 2008, 2009 Electronic Business Systems Ltd.

 *

 * This file is part of GSS.

 *

 * GSS 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.

 *

 * GSS 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 GSS.  If not, see <http://www.gnu.org/licenses/>.

 */

package gr.ebs.gss.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, GroupMenu.Images, FilePropertiesDialog.Images,

                        HelpMenu.Images, LoadingIndicator.Images {

                @Source("gr/ebs/gss/resources/exit.png")

                ImageResource exit();

                @Source("gr/ebs/gss/resources/folder_blue.png")

                ImageResource folder();

                @Source("gr/ebs/gss/resources/edit.png")

                ImageResource edit();

                @Source("gr/ebs/gss/resources/edit_group.png")

                ImageResource group();

                @Source("gr/ebs/gss/resources/configure.png")

                ImageResource configure();

                @Source("gr/ebs/gss/resources/help.png")

                ImageResource help();

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

                ImageResource gssLogo();

                @Source("gr/ebs/gss/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 group menu widget.

         */

        private GroupMenu groupMenu;

        /**

         * 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);

                groupMenu = new GroupMenu(images);

                settingsMenu = new SettingsMenu(images);

                helpMenu = new HelpMenu(images);

                loading = new LoadingIndicator(images);

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

                                        AbstractImagePrototype.create(images.group()).getHTML() + "</td><td>Group</td></tr></table>", true,

                                        groupMenu.getContextMenu());

                groupItem.getElement().setId("topMenu.group");

                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(groupItem);

                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);

                Configuration conf = (Configuration) GWT.create(Configuration.class);

        String path = Window.Location.getPath();

        String baseUrl = GWT.getModuleBaseURL();

        String homeUrl = baseUrl.substring(0, baseUrl.indexOf(path));

                HTML logos = new HTML("<table><tr><td><a href='" + homeUrl +

                                        "' target='gss'>" +        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;

        }

}