code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FolderContextMenu.java

   1 /*
   2  * Copyright 2011 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client;
  36
  37 import gr.grnet.pithos.web.client.commands.CopyCommand;
  38 import gr.grnet.pithos.web.client.commands.CutCommand;
  39 import gr.grnet.pithos.web.client.commands.DeleteCommand;
  40 import gr.grnet.pithos.web.client.commands.EmptyTrashCommand;
  41 import gr.grnet.pithos.web.client.commands.NewFolderCommand;
  42 import gr.grnet.pithos.web.client.commands.PasteCommand;
  43 import gr.grnet.pithos.web.client.commands.PropertiesCommand;
  44 import gr.grnet.pithos.web.client.commands.RefreshCommand;
  45 import gr.grnet.pithos.web.client.commands.RestoreTrashCommand;
  46 import gr.grnet.pithos.web.client.commands.ToTrashCommand;
  47 import gr.grnet.pithos.web.client.foldertree.File;
  48 import gr.grnet.pithos.web.client.foldertree.Folder;
  49
  50 import java.util.List;
  51
  52 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  53 import com.google.gwt.user.client.ui.MenuBar;
  54 import com.google.gwt.user.client.ui.MenuItem;
  55 import com.google.gwt.user.client.ui.PopupPanel;
  56
  57 /**
  58  * The 'Folder Context' menu implementation.
  59  */
  60 public class FolderContextMenu extends PopupPanel {
  61
  62         /**
  63          * The widget's images.
  64          */
  65         private final Images images;
  66
  67         /**
  68          * The image bundle for this widget's images that reuses images defined in
  69          * other menus.
  70          */
  71         public interface Images extends FileContextMenu.Images {
  72         }
  73
  74         private MenuItem pasteItem;
  75
  76         /**
  77          * The widget's constructor.
  78          *
  79          * @param newImages the image bundle passed on by the parent object
  80          */
  81         public FolderContextMenu(Pithos app, final Images newImages, TreeView selectedTree, Folder folder) {
  82                 // The popup's constructor's argument is a boolean specifying that it
  83                 // auto-close itself when the user clicks outside of it.
  84                 super(true);
  85                 setAnimationEnabled(true);
  86                 images = newImages;
  87         MenuBar contextMenu = new MenuBar(true);
  88
  89         Boolean[] permissions = folder.getPermissions().get(app.getUsername());
  90         boolean canWrite = folder.getOwner().equals(app.getUsername()) || (permissions!= null && permissions[1] != null && permissions[1]);
  91         boolean isFolderTreeSelected = selectedTree.equals(app.getFolderTreeView());
  92         boolean otherSharedTreeSelected = selectedTree.equals(app.getOtherSharedTreeView());
  93
  94         if (isFolderTreeSelected || otherSharedTreeSelected) {
  95                 MenuItem refresh = new MenuItem("<span id = 'folderContextMenu.refresh'>" + AbstractImagePrototype.create(images.refresh()).getHTML() + "&nbsp;Refresh</span>", true, new RefreshCommand(app, this, folder));
  96                 contextMenu.addItem(refresh);
  97         }
  98
  99         if (!folder.isInTrash()) {
 100                 if (canWrite) {
 101                         MenuItem newFolder = new MenuItem("<span id = 'folderContextMenu.newFolder'>" + AbstractImagePrototype.create(newImages.folderNew()).getHTML() + "&nbsp;New Folder</span>", true, new NewFolderCommand(app, this, folder, images));
 102                         contextMenu.addItem(newFolder);
 103
 104                         if (isFolderTreeSelected && !folder.isContainer()) {
 105                             MenuItem cut = new MenuItem("<span id = 'folderContextMenu.cut'>" + AbstractImagePrototype.create(newImages.cut()).getHTML() + "&nbsp;Cut</span>", true, new CutCommand(app, this, folder));
 106                             contextMenu.addItem(cut);
 107                         }
 108                 }
 109
 110                 MenuItem copy = new MenuItem("<span id = 'folderContextMenu.copy'>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy</span>", true, new CopyCommand(app, this, folder));
 111                 contextMenu.addItem(copy);
 112
 113                 if (canWrite) {
 114                         if (!app.getClipboard().isEmpty()) {
 115                                 Object item = app.getClipboard().getItem();
 116                                 boolean showPaste = true;
 117                                 if (item instanceof Folder) {
 118                                         Folder f = (Folder) item;
 119                                         if (f.contains(folder))
 120                                                 showPaste = false;
 121                                 }
 122                                 if (showPaste) {
 123                                     pasteItem = new MenuItem("<span id = 'folderContextMenu.paste'>" + AbstractImagePrototype.create(newImages.paste()).getHTML() + "&nbsp;Paste</span>", true, new PasteCommand(app, this, folder));
 124                                     contextMenu.addItem(pasteItem);
 125                                 }
 126                         }
 127
 128                             if (isFolderTreeSelected && !folder.isContainer()) {
 129                                 MenuItem moveToTrash = new MenuItem("<span id = 'folderContextMenu.moveToTrash'>" + AbstractImagePrototype.create(newImages.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(app, this, folder));
 130                                 contextMenu.addItem(moveToTrash);
 131
 132                                 MenuItem delete = new MenuItem("<span id = 'folderContextMenu.delete'>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(app, this, folder, MessagePanel.images));
 133                                 contextMenu.addItem(delete);
 134
 135                                 MenuItem properties = new MenuItem("<span id = 'folderContextMenu.properties'>" + AbstractImagePrototype.create(newImages.viewText()).getHTML() + "&nbsp;Properties</span>", true, new PropertiesCommand(app, this, folder, newImages, 0));
 136                                 contextMenu.addItem(properties);
 137                             }
 138                 }
 139         }
 140         else {
 141                 if (!folder.isTrash()) {
 142                         MenuItem restore = new MenuItem("<span>" + AbstractImagePrototype.create(images.versions()).getHTML() + "&nbsp;Restore</span>", true, new RestoreTrashCommand(app, this, folder));
 143                         contextMenu.addItem(restore);
 144
 145                         MenuItem delete = new MenuItem("<span id = 'folderContextMenu.delete'>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(app, this, folder, MessagePanel.images));
 146                         contextMenu.addItem(delete);
 147                 }
 148                 else {
 149                         MenuItem emptyTrash = new MenuItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Empty Trash</span>", true, new EmptyTrashCommand(app, this));
 150                         contextMenu.addItem(emptyTrash);
 151                 }
 152         }
 153                 add(contextMenu);
 154         }
 155 }