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.PasteCommand;

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

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 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.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 '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 {

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

                ImageResource fileContextMenu();

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

                ImageResource versions();

                @Source("gr/grnet/pithos/resources/groups22.png")

                ImageResource sharing();

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

                ImageResource unselectAll();

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

                ImageResource viewImage();

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

        ImageResource folderNew();

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

        ImageResource fileUpdate();

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

        ImageResource viewText();

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

        ImageResource download();

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

        ImageResource emptyTrash();

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

        ImageResource refresh();

        /**

         * 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

         */

        @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();

    }

        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(final Pithos app, Images newImages, TreeView selectedTree, Folder selectedFolder, final List<File> selectedFiles) {

                // 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 = null;

        boolean canWrite = true;

        if (selectedFolder != null) {

                permissions = selectedFolder.getPermissions().get(app.getUsername());

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

                }

        else {

                for (File f : selectedFiles) {

                        permissions = f.getPermissions().get(app.getUsername());

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

                }

        }

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

        if (selectedFolder != null) {

                    if (!selectedFolder.isInTrash()) {

                        if (canWrite && app.getClipboard().hasFiles()) {

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

                                contextMenu.addItem(pasteItem);

                        }

                        if (canWrite) {

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

                                contextMenu.addItem(upload);

                        }

                        if (isFolderTreeSelected) {

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

                            contextMenu.addItem(cutItem);

                        }

                        if (isFolderTreeSelected) {

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

                            contextMenu.addItem(trashItem);

                        }

                    }

                    else {

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

                                contextMenu.addItem(restore);

                    }

        }

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

        contextMenu.addItem(copyItem);

        if (isFolderTreeSelected) {

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

                contextMenu.addItem(deleteItem);

        }

        if (selectedFolder != null && !selectedFolder.isInTrash()) {

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

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

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

                        contextMenu.addItem(new MenuItem("<span>" + AbstractImagePrototype.create(newImages.versions()).getHTML() + "&nbsp;Versions</span>", true, new PropertiesCommand(app, this, selectedFiles, PropertiesCommand.VERSIONS)));

                }

        }

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

                        @Override

                        public void execute() {

                                for (File f : selectedFiles)

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

                        }

                }));

                add(contextMenu);

        }

}