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.CopyCommand;

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

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

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

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 java.util.List;

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;

/**

 * The 'Edit' menu implementation.

 */

public class EditMenu extends MenuBar {

        /**

         * The widget's images.

         */

        private final Images images;

        /**

         * An image bundle for this widget's images.

         */

        public interface Images extends ClientBundle, FileMenu.Images, MessagePanel.Images {

                /**

                 * Will bundle the file 'editcut.png' residing in the package

                 * 'gr.grnet.pithos.web.resources'.

                 *

                 * @return the image prototype

                 */

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

                ImageResource cut();

                /**

                 * Will bundle the file 'editcopy.png' residing in the package

                 * 'gr.grnet.pithos.web.resources'.

                 *

                 * @return the image prototype

                 */

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

                ImageResource copy();

                /**

                 * Will bundle the file 'editpaste.png' residing in the package

                 * 'gr.grnet.pithos.web.resources'.

                 *

                 * @return the image prototype

                 */

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

                ImageResource paste();

                /**

                 * Will bundle the file 'editdelete.png' residing in the package

                 * 'gr.grnet.pithos.web.resources'.

                 *

                 * @return the image prototype

                 */

                @Override

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

                ImageResource delete();

                /**

                 * Will bundle the file 'translate.png' residing in the package

                 * 'gr.grnet.pithos.web.resources'.

                 *

                 * @return the image prototype

                 */

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

                ImageResource selectAll();

                /**

                 * Will bundle the file 'border_remove.png' residing in the package

                 * 'gr.grnet.pithos.web.resources'.

                 *

                 * @return the image prototype

                 */

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

                ImageResource unselectAll();

        }

        /**

         * The widget's constructor.

         *

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

         */

        public EditMenu(final Pithos _app, final Images newImages) {

                super(true);

                setAnimationEnabled(true);

                images = newImages;

        Folder selectedFolder = _app.getFolderTreeView().getSelection();

        List<File> selectedFiles = _app.getFileList().getSelectedFiles();

        String cutLabel = "Cut";

        String copyLabel ="Copy";

        String pasteLabel = "Paste";

        if(selectedFiles.size() == 1) {

            cutLabel = "Cut File";

            copyLabel = "Copy File";

        }

        else if (selectedFiles.size() > 1) {

            cutLabel = "Cut Files";

            copyLabel = "Copy Files";

        }

        else if (selectedFolder != null) {

            cutLabel = "Cut Folder";

            copyLabel = "Copy Folder";

        }

        if (_app.getClipboard().hasFiles()) {

            if (((List<File>) _app.getClipboard().getItem()).size() > 1)

                pasteLabel = "Paste Files";

            else

                pasteLabel = "Paste File";

        }

        else

            pasteLabel = "Paste Folder";

        if (selectedFiles.size() > 0 || selectedFolder != null) {

            Object cutObject = null;

            if (selectedFiles.size() > 0)

                cutObject = selectedFiles;

            else if (selectedFolder != null)

                cutObject = selectedFolder;

            if (selectedFiles.size() != 0 || (selectedFolder != null && !selectedFolder.isContainer())) {

                MenuItem cutItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.cut()).getHTML() + "&nbsp;" + cutLabel + "</span>", true, new CutCommand(_app, null, cutObject));

                addItem(cutItem);

            }

            MenuItem copyItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.copy()).getHTML() + "&nbsp;"+copyLabel+"</span>", true, new CopyCommand(_app, null, cutObject));

            addItem(copyItem);

            if (selectedFiles.size() != 0 || (selectedFolder != null && !selectedFolder.isContainer())) {

                MenuItem moveToTrashItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(_app, null, cutObject));

                addItem(moveToTrashItem);

                MenuItem deleteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(null, cutObject, images));

                addItem(deleteItem);

            }

        }

        if (selectedFolder != null && !_app.getClipboard().isEmpty()) {

            MenuItem pasteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.paste()).getHTML() + "&nbsp;" + pasteLabel + "</span>", true, new PasteCommand(_app, null, selectedFolder));

            addItem(pasteItem);

        }

        MenuItem selectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.selectAll()).getHTML() + "&nbsp;Select All</span>", true, new Command() {

            @Override

            public void execute() {

                _app.getFileList().selectAllRows();

            }

        });

        addItem(selectAllItem);

        MenuItem unSelectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.unselectAll()).getHTML() + "&nbsp;Unselect All</span>", true, new Command() {

            @Override

            public void execute() {

                    _app.getFileList().clearSelectedRows();

            }

        });

        addItem(unSelectAllItem);

        }

}