Synnefo

/*

 * 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.commands.AddUserCommand;

import gr.grnet.pithos.web.client.commands.CopyCommand;

import gr.grnet.pithos.web.client.commands.CreateGroupCommand;

import gr.grnet.pithos.web.client.commands.CutCommand;

import gr.grnet.pithos.web.client.commands.DeleteCommand;

import gr.grnet.pithos.web.client.commands.DeleteGroupCommand;

import gr.grnet.pithos.web.client.commands.EmptyTrashCommand;

import gr.grnet.pithos.web.client.commands.NewFolderCommand;

import gr.grnet.pithos.web.client.commands.PasteCommand;

import gr.grnet.pithos.web.client.commands.PropertiesCommand;

import gr.grnet.pithos.web.client.commands.RefreshCommand;

import gr.grnet.pithos.web.client.commands.RemoveUserCommand;

import gr.grnet.pithos.web.client.commands.RestoreTrashCommand;

import gr.grnet.pithos.web.client.commands.ToTrashCommand;

import gr.grnet.pithos.web.client.foldertree.File;

import gr.grnet.pithos.web.client.foldertree.Folder;

import gr.grnet.pithos.web.client.grouptree.Group;

import gr.grnet.pithos.web.client.grouptree.GroupTreeView;

import gr.grnet.pithos.web.client.grouptree.User;

import java.util.List;

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.MenuBar;

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

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

/**

 * The 'Folder Context' menu implementation.

 */

public class ToolsMenu extends PopupPanel {

        /**

         * The widget's images.

         */

        private final Images images;

        /**

         * The image bundle for this widget's images that reuses images defined in

         * other menus.

         */

        public interface Images extends GroupTreeView.Images {

        }

        private MenuItem pasteItem;

        private boolean empty = false;;

        /**

         * The widget's constructor.

         *

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

         */

        public ToolsMenu(final Pithos app, Images newImages, TreeView selectedTree, Folder folder, final List<File> files) {

                // 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;

        MenuBar contextMenu = new MenuBar(true);

        if (folder != null) {

                Boolean[] permissions = folder.getPermissions().get(app.getUsername());

                    boolean canWrite = folder.getOwner().equals(app.getUsername()) || (permissions!= null && permissions[1] != null && permissions[1]);

                    boolean isFolderTreeSelected = selectedTree.equals(app.getFolderTreeView());

                    boolean otherSharedTreeSelected = selectedTree.equals(app.getOtherSharedTreeView());

                    if (isFolderTreeSelected || otherSharedTreeSelected) {

                            MenuItem refresh = new MenuItem("<span id = 'folderContextMenu.refresh'>" + AbstractImagePrototype.create(images.refresh()).getHTML() + "&nbsp;Refresh</span>", true, new RefreshCommand(app, this, folder));

                        contextMenu.addItem(refresh);

                    }

                if (!folder.isInTrash()) {

                        if (canWrite) {

                                MenuItem newFolder = new MenuItem("<span id = 'folderContextMenu.newFolder'>" + AbstractImagePrototype.create(newImages.folderNew()).getHTML() + "&nbsp;New Folder</span>", true, new NewFolderCommand(app, this, folder, images));

                                contextMenu.addItem(newFolder);

                                if (isFolderTreeSelected) {

                                        MenuItem cut = null;

                                        if (files != null && !files.isEmpty()) {

                                                        cut = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.cut()).getHTML() + "&nbsp;Cut files</span>", true, new CutCommand(app, this, files));

                                        }

                                        else if (!folder.isContainer()) {

                                            cut = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.cut()).getHTML() + "&nbsp;Cut folder</span>", true, new CutCommand(app, this, folder));

                                        }

                                        if (cut != null)

                                                contextMenu.addItem(cut);

                                }

                        }

                        MenuItem copy = null;

                        if (files != null && !files.isEmpty())

                                copy = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy files</span>", true, new CopyCommand(app, this, files));

                        else

                                copy = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy folder</span>", true, new CopyCommand(app, this, folder));

                        contextMenu.addItem(copy);

                        if (canWrite) {

                                if (!app.getClipboard().isEmpty()) {

                                        Object item = app.getClipboard().getItem();

                                        boolean showPaste = false;

                                        if (item instanceof List) {

                                                List<File> _files = (List<File>) item;

                                                if (_files.get(0).getOwner().equals(folder.getOwner()))

                                                        showPaste = true;

                                        }

                                        else {

                                                Folder f = (Folder) item;

                                                if (f.getOwner().equals(folder.getOwner()))

                                                        showPaste = true;

                                        }

                                        if (showPaste) {

                                            pasteItem = new MenuItem("<span id = 'folderContextMenu.paste'>" + AbstractImagePrototype.create(newImages.paste()).getHTML() + "&nbsp;Paste</span>", true, new PasteCommand(app, this, folder));

                                            contextMenu.addItem(pasteItem);

                                        }

                                }

                                    if (isFolderTreeSelected) {

                                            MenuItem moveToTrash = null;

                                            if (files != null && !files.isEmpty()) {

                                                    moveToTrash = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.emptyTrash()).getHTML() + "&nbsp;Move files to Trash</span>", true, new ToTrashCommand(app, this, files));

                                            }

                                            else if (!folder.isContainer()) {

                                                    moveToTrash = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.emptyTrash()).getHTML() + "&nbsp;Move folder to Trash</span>", true, new ToTrashCommand(app, this, folder));

                                            }

                                            if (moveToTrash != null)

                                                    contextMenu.addItem(moveToTrash);

                                        MenuItem delete = null;

                                        if (files != null && !files.isEmpty()) {

                                                delete = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete files</span>", true, new DeleteCommand(app, this, files, MessagePanel.images));

                                        }

                                        else if (!folder.isContainer())

                                                delete = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete folder</span>", true, new DeleteCommand(app, this, folder, MessagePanel.images));

                                        if (delete != null)

                                                contextMenu.addItem(delete);

                                        MenuItem properties = null;

                                        if (files != null && files.size() == 1)

                                                properties = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.viewText()).getHTML() + "&nbsp;File properties</span>", true, new PropertiesCommand(app, this, files, images, 0));

                                        else if (!folder.isContainer())

                                                properties = new MenuItem("<span id = 'folderContextMenu.properties'>" + AbstractImagePrototype.create(newImages.viewText()).getHTML() + "&nbsp;Folder properties</span>", true, new PropertiesCommand(app, this, folder, newImages, 0));

                                        if (properties != null)

                                                contextMenu.addItem(properties);

                                    }

                                if (files != null) {

                                            contextMenu.addItem(new MenuItem("<span>" + AbstractImagePrototype.create(newImages.download()).getHTML() + "&nbsp;Download</span>", true, new Command() {

                                                        @Override

                                                        public void execute() {

                                                        for (File f: files)

                                                                Window.open(app.getApiPath() + files.get(0).getOwner() + files.get(0).getUri() + "?X-Auth-Token=" + app.getToken(), "_blank", "");

                                                        }

                                                }));

                                }

                        }

                }

                else {

                        if (!folder.isTrash()) {

                                MenuItem restore = null;

                                if (files != null && !files.isEmpty())

                                        restore = new MenuItem("<span>" + AbstractImagePrototype.create(images.versions()).getHTML() + "&nbsp;Restore</span>", true, new RestoreTrashCommand(app, this, files));

                                else

                                        restore = new MenuItem("<span>" + AbstractImagePrototype.create(images.versions()).getHTML() + "&nbsp;Restore</span>", true, new RestoreTrashCommand(app, this, folder));

                                contextMenu.addItem(restore);

                                    MenuItem delete = new MenuItem("<span id = 'folderContextMenu.delete'>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(app, this, folder, MessagePanel.images));

                                contextMenu.addItem(delete);

                        }

                        else {

                                    MenuItem emptyTrash = new MenuItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Empty Trash</span>", true, new EmptyTrashCommand(app, this));

                                    contextMenu.addItem(emptyTrash);

                        }

                }

        }

        else {

                Object o = app.getGroupTreeView().getSelected();

                if (o != null) {

                        if (o instanceof User) {

                        MenuItem removeUser = new MenuItem("<span>" + AbstractImagePrototype.create(images.delete()).getHTML() + "&nbsp;Remove User</span>", true, new RemoveUserCommand(app, this, (User) o));

                        contextMenu.addItem(removeUser);

                        }

                        else if (o instanceof Group) {

                            MenuItem addUser = new MenuItem("<span>" + AbstractImagePrototype.create(images.user()).getHTML() + "&nbsp;Add User</span>", true, new AddUserCommand(app, this, (Group) o));

                            contextMenu.addItem(addUser);

                            MenuItem deleteGroup = new MenuItem("<span>" + AbstractImagePrototype.create(images.delete()).getHTML() + "&nbsp;Delete Group</span>", true, new DeleteGroupCommand(app, this, (Group) o));

                            contextMenu.addItem(deleteGroup);

                        }

                        else {

                            MenuItem createGroup = new MenuItem("<span>" + AbstractImagePrototype.create(images.group()).getHTML() + "&nbsp;Create Group</span>", true, new CreateGroupCommand(app, this));

                            contextMenu.addItem(createGroup);

                        }

                }

                else

                        empty = true;

        }

                add(contextMenu);

        }

        public boolean isEmpty() {

                return empty;

        }

}