Synnefo » Pithos Web Client

/*

 * Copyright 2011-2012 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.CopyCommand;

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

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

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.RestoreTrashCommand;

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

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

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 FolderContextMenu 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 FileContextMenu.Images {

        }

        private MenuItem pasteItem;

        /**

         * The widget's constructor.

         *

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

         */

        public FolderContextMenu(Pithos app, final Images newImages, TreeView selectedTree, Folder folder) {

                // 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);

        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));

                        contextMenu.addItem(newFolder);

                        if (isFolderTreeSelected && !folder.isContainer()) {

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

                            contextMenu.addItem(cut);

                        }

                }

                if (!folder.isContainer()) {

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

                        contextMenu.addItem(copy);

                }

                if (canWrite) {

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

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

                                boolean showPaste = true;

                                if (item instanceof Folder) {

                                        Folder f = (Folder) item;

                                        if (f.contains(folder))

                                                showPaste = false;

                                }

                                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 && !folder.isContainer()) {

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

                                contextMenu.addItem(moveToTrash);

                                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);

                                contextMenu.addItem(new MenuItem("<span>" + AbstractImagePrototype.create(newImages.viewText()).getHTML() + "&nbsp;Properties</span>", true, new PropertiesCommand(app, this, folder, PropertiesCommand.PROPERTIES)));

                                contextMenu.addItem(new MenuItem("<span>" + AbstractImagePrototype.create(newImages.sharing()).getHTML() + "&nbsp;Sharing</span>", true, new PropertiesCommand(app, this, folder, PropertiesCommand.PERMISSIONS)));

                            }

                }

        }

        else {

                if (!folder.isTrash()) {

                            MenuItem 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);

                }

        }

                add(contextMenu);

        }

}