Synnefo » Pithos

/*

 * 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.event.dom.client.ClickEvent;

import com.google.gwt.event.dom.client.ClickHandler;

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.ui.AbstractImagePrototype;

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

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

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

/**

 * The 'Help' menu implementation.

 */

public class HelpMenu extends PopupPanel implements ClickHandler {

        /**

         * The widget's images.

         */

        private final Images images;

        private MenuBar contextMenu  = new MenuBar(true);

        /**

         * An image bundle for this widget's images.

         */

        public interface Images extends ClientBundle{

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

                ImageResource userGuide();

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

                ImageResource terms();

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

                ImageResource reportAbuse();

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

                ImageResource reportBug();

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

                ImageResource about();

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

                ImageResource upgradeQuota();

        }

        /**

         * The widget's constructor.

         *

         * @param newImages the image bundle passed on by the parent object

         */

        public HelpMenu(final Images newImages) {

                // The popup's constructor's argument is a boolean specifying that it

                // auto-close itself when the user clicks outside of it.

                super(true);

                setAnimationEnabled(true);

                images = newImages;

                createMenu();

                add(contextMenu);

        }

        @Override

        public void onClick(ClickEvent event) {

                HelpMenu menu = new HelpMenu(images);

                int left = event.getRelativeElement().getAbsoluteLeft();

                int top = event.getRelativeElement().getAbsoluteTop() + event.getRelativeElement().getOffsetHeight();

                menu.setPopupPosition(left, top);

                menu.show();

        }

        public MenuBar createMenu() {

                contextMenu.clearItems();

                contextMenu.setAutoOpen(false);

                Command hideCommand = new Command() {

                        @Override

                        public void execute() {

                                hide();

                        }

                };

                Command aboutCommand = new Command(){

                        @Override

                        public void execute() {

                                AboutDialog dlg = new AboutDialog();

                                dlg.center();

                        }

                };

                MenuItem userGuideItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.userGuide()).getHTML() + "&nbsp;<a class='hidden-link' " +

                                        "href='/userguide/el' target='_blank'>User Guide</a></span>", true, hideCommand);

                contextMenu.addItem(userGuideItem);

                userGuideItem.getElement().setId("topMenu.help.userGuide");

                MenuItem termsItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.terms()).getHTML() + "&nbsp;<a class='hidden-link' " +

                                        "href='/terms' target='_blank'>Terms &amp; Conditions</a></span>", true, hideCommand);

                termsItem.getElement().setId("topMenu.help.terms");

                contextMenu.addItem(termsItem);

                MenuItem reportAbuseItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.reportAbuse()).getHTML() + "&nbsp;<a class='hidden-link' " +

                                        "href='/report-abuse' target='_blank'>Report abuse</a></span>", true, hideCommand);

                reportAbuseItem.getElement().setId("topMenu.help.reportAbuse");

                contextMenu.addItem(reportAbuseItem);

                MenuItem upgradeQuotaItem= new MenuItem("<span>" + AbstractImagePrototype.create(images.upgradeQuota()).getHTML() + "&nbsp;<a class='hidden-link' " +

                                        "href='/pithos/coupon' target='_blank'>Upgrade quota</a></span>", true, hideCommand);

                upgradeQuotaItem.getElement().setId("topMenu.help.upgradeQuota");

                contextMenu.addItem(upgradeQuotaItem);

                MenuItem reportBugItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.reportBug()).getHTML() + "&nbsp;<a class='hidden-link' " +

                                        "href='http://code.google.com/p/pithos/issues/list' target='_blank'>Report bug</a></span>", true, hideCommand);

                reportBugItem.getElement().setId("topMenu.help.reportBug");

                contextMenu.addItem(reportBugItem);

                MenuItem aboutItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.about()).getHTML() + "&nbsp;About</span>", true, aboutCommand);

                aboutItem.getElement().setId("topMenu.help.about");

                contextMenu.addItem(aboutItem);

                return contextMenu;

        }

}