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 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.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.commands.UploadFileCommand;

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

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

import gr.grnet.pithos.web.client.rest.resource.FileResource;

import gr.grnet.pithos.web.client.rest.resource.FolderResource;

import gr.grnet.pithos.web.client.rest.resource.RestResource;

import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper;

import gr.grnet.pithos.web.client.rest.resource.TrashFolderResource;

import java.util.List;

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

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

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

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.Event;

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 'File Context' menu implementation.

 */

public class FileContextMenu extends PopupPanel {

        /**

         * The widget's images.

         */

        private final Images images;

        private MenuItem cutItem;

        private MenuItem copyItem;

        private MenuItem pasteItem;

        private MenuItem updateItem;

        private MenuItem sharingItem;

        private MenuItem propItem;

        private MenuItem trashItem;

        private MenuItem deleteItem;

        private MenuItem downloadItem;

        private MenuItem saveAsItem;

        /**

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

         * other menus.

         */

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

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

                ImageResource fileContextMenu();

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

                ImageResource versions();

                @Override

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

                ImageResource sharing();

                @Override

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

                ImageResource unselectAll();

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

                ImageResource viewImage();

}

        public static native String getDate()/*-{

                return (new Date()).toUTCString();

        }-*/;

        /**

         * The widget's constructor.

         *

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

         */

        public FileContextMenu(Images newImages, Folder selectedFolder, List<File> selectedFiles, boolean isTrash) {

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

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

                super(true);

                GSS gss = GSS.get();

                setAnimationEnabled(true);

                images = newImages;

        MenuBar contextMenu = new MenuBar(true);

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

        contextMenu.addItem(pasteItem);

        MenuItem upload = new MenuItem("<span>" + AbstractImagePrototype.create(images.fileUpdate()).getHTML() + "&nbsp;Upload</span>", true, new UploadFileCommand(this, selectedFolder));

        contextMenu.addItem(upload);

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

        contextMenu.addItem(refresh);

                if (isTrash) {

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

                        contextMenu.addItem(restore);

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

                        contextMenu.addItem(delete);

                } else {

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

            contextMenu.addItem(cutItem);

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

            contextMenu.addItem(copyItem);

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

            contextMenu.addItem(trashItem);

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

            contextMenu.addItem(deleteItem);

                        sharingItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.sharing()).getHTML() + "&nbsp;Sharing</span>", true, new PropertiesCommand(this, images, 1));

            contextMenu.addItem(sharingItem);

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

            contextMenu.addItem(propItem);

                        String[] link = {"", ""};

                        gss.getTopPanel().getFileMenu().createDownloadLink(link, false);

                // The command that does some validation before downloading a file.

            Command downloadCmd = new Command() {

                @Override

                public void execute() {

                    hide();

                    GSS.get().getTopPanel().getFileMenu().preDownloadCheck();

                }

            };

                        downloadItem = new MenuItem("<span>" + link[0] + AbstractImagePrototype.create(newImages.download()).getHTML() + " Download" + link[1] + "</span>", true, downloadCmd);

                        contextMenu.addItem(downloadItem);

                        gss.getTopPanel().getFileMenu().createDownloadLink(link, true);

                        saveAsItem = new MenuItem("<span>" + link[0] + AbstractImagePrototype.create(newImages.download()).getHTML() + " Save As" + link[1] + "</span>", true, downloadCmd);

                        contextMenu.addItem(saveAsItem);

            final Command unselectAllCommand = new Command() {

                @Override

                public void execute() {

                    hide();

                    if(GSS.get().isFileListShowing())

                        GSS.get().getFileList().clearSelectedRows();

                }

            };

                        MenuItem unSelect = new MenuItem("<span>" + AbstractImagePrototype.create(images.unselectAll()).getHTML() + "&nbsp;Unselect</span>", true, unselectAllCommand);

                        contextMenu.addItem(unSelect);

                }

                add(contextMenu);

//                if (gss.getClipboard().hasFileItem())

//                        pasteItem.setVisible(true);

//                else

//                        pasteItem.setVisible(false);

        }

}