Updated copyright
[pithos-web-client] / src / gr / grnet / pithos / web / client / FolderContextMenu.java
1 /*
2  * Copyright 2011-2012 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.Folder;
48
49 import com.google.gwt.user.client.ui.AbstractImagePrototype;
50 import com.google.gwt.user.client.ui.MenuBar;
51 import com.google.gwt.user.client.ui.MenuItem;
52 import com.google.gwt.user.client.ui.PopupPanel;
53
54 /**
55  * The 'Folder Context' menu implementation.
56  */
57 public class FolderContextMenu extends PopupPanel {
58
59         /**
60          * The widget's images.
61          */
62         private final Images images;
63
64         /**
65          * The image bundle for this widget's images that reuses images defined in
66          * other menus.
67          */
68         public interface Images extends FileContextMenu.Images {
69         }
70
71         private MenuItem pasteItem;
72
73         /**
74          * The widget's constructor.
75          *
76          * @param newImages the image bundle passed on by the parent object
77          */
78         public FolderContextMenu(Pithos app, final Images newImages, TreeView selectedTree, Folder folder) {
79                 // The popup's constructor's argument is a boolean specifying that it
80                 // auto-close itself when the user clicks outside of it.
81                 super(true);
82                 setAnimationEnabled(true);
83                 images = newImages;
84         MenuBar contextMenu = new MenuBar(true);
85
86         Boolean[] permissions = folder.getPermissions().get(app.getUsername());
87         boolean canWrite = folder.getOwner().equals(app.getUsername()) || (permissions!= null && permissions[1] != null && permissions[1]);
88         boolean isFolderTreeSelected = selectedTree.equals(app.getFolderTreeView());
89         boolean otherSharedTreeSelected = selectedTree.equals(app.getOtherSharedTreeView());
90         
91         if (isFolderTreeSelected || otherSharedTreeSelected) {
92                 MenuItem refresh = new MenuItem("<span id = 'folderContextMenu.refresh'>" + AbstractImagePrototype.create(images.refresh()).getHTML() + "&nbsp;Refresh</span>", true, new RefreshCommand(app, this, folder));
93                 contextMenu.addItem(refresh);
94         }
95
96         if (!folder.isInTrash()) {
97                 if (canWrite) {
98                         MenuItem newFolder = new MenuItem("<span id = 'folderContextMenu.newFolder'>" + AbstractImagePrototype.create(newImages.folderNew()).getHTML() + "&nbsp;New Folder</span>", true, new NewFolderCommand(app, this, folder));
99                         contextMenu.addItem(newFolder);
100
101                         if (isFolderTreeSelected && !folder.isContainer()) {
102                             MenuItem cut = new MenuItem("<span id = 'folderContextMenu.cut'>" + AbstractImagePrototype.create(newImages.cut()).getHTML() + "&nbsp;Cut</span>", true, new CutCommand(app, this, folder));
103                             contextMenu.addItem(cut);
104                         }
105                 }
106
107                 if (!folder.isContainer()) {
108                         MenuItem copy = new MenuItem("<span id = 'folderContextMenu.copy'>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy</span>", true, new CopyCommand(app, this, folder));
109                         contextMenu.addItem(copy);
110                 }
111         
112                 if (canWrite) {
113                         if (!app.getClipboard().isEmpty()) {
114                                 Object item = app.getClipboard().getItem();
115                                 boolean showPaste = true;
116                                 if (item instanceof Folder) {
117                                         Folder f = (Folder) item;
118                                         if (f.contains(folder))
119                                                 showPaste = false;
120                                 }
121                                 if (showPaste) {
122                                     pasteItem = new MenuItem("<span id = 'folderContextMenu.paste'>" + AbstractImagePrototype.create(newImages.paste()).getHTML() + "&nbsp;Paste</span>", true, new PasteCommand(app, this, folder));
123                                     contextMenu.addItem(pasteItem);
124                                 }
125                         }
126
127                             if (isFolderTreeSelected && !folder.isContainer()) {
128                                 MenuItem moveToTrash = new MenuItem("<span id = 'folderContextMenu.moveToTrash'>" + AbstractImagePrototype.create(newImages.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(app, this, folder));
129                                 contextMenu.addItem(moveToTrash);
130                         
131                                 MenuItem delete = new MenuItem("<span id = 'folderContextMenu.delete'>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(app, this, folder, MessagePanel.images));
132                                 contextMenu.addItem(delete);
133                         
134                                 contextMenu.addItem(new MenuItem("<span>" + AbstractImagePrototype.create(newImages.viewText()).getHTML() + "&nbsp;Properties</span>", true, new PropertiesCommand(app, this, folder, PropertiesCommand.PROPERTIES)));
135                                 contextMenu.addItem(new MenuItem("<span>" + AbstractImagePrototype.create(newImages.sharing()).getHTML() + "&nbsp;Sharing</span>", true, new PropertiesCommand(app, this, folder, PropertiesCommand.PERMISSIONS)));
136                             }
137                 }
138         }
139         else {
140                 if (!folder.isTrash()) {
141                         MenuItem restore = new MenuItem("<span>" + AbstractImagePrototype.create(images.versions()).getHTML() + "&nbsp;Restore</span>", true, new RestoreTrashCommand(app, this, folder));
142                         contextMenu.addItem(restore);
143
144                         MenuItem delete = new MenuItem("<span id = 'folderContextMenu.delete'>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(app, this, folder, MessagePanel.images));
145                         contextMenu.addItem(delete);
146                 }
147                 else {
148                         MenuItem emptyTrash = new MenuItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Empty Trash</span>", true, new EmptyTrashCommand(app, this));
149                         contextMenu.addItem(emptyTrash);
150                 }
151         }
152                 add(contextMenu);
153         }
154 }