Completed 'Shared by me' file context menu with whatever command is relevant (issue...
[pithos-web-client] / src / gr / grnet / pithos / web / client / mysharedtree / MysharedTreeView.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
36 package gr.grnet.pithos.web.client.mysharedtree;
37
38 import gr.grnet.pithos.web.client.FolderContextMenu;
39 import gr.grnet.pithos.web.client.PithosDisclosurePanel;
40 import gr.grnet.pithos.web.client.TreeView;
41 import gr.grnet.pithos.web.client.foldertree.Folder;
42
43 import com.google.gwt.core.client.GWT;
44 import com.google.gwt.resources.client.ImageResource;
45 import com.google.gwt.resources.client.ClientBundle.Source;
46 import com.google.gwt.resources.client.ImageResource.ImageOptions;
47 import com.google.gwt.resources.client.ImageResource.RepeatStyle;
48 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
49 import com.google.gwt.safehtml.shared.SafeHtml;
50 import com.google.gwt.user.cellview.client.CellTree;
51 import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
52 import com.google.gwt.user.cellview.client.TreeNode;
53 import com.google.gwt.user.client.Command;
54 import com.google.gwt.user.client.ui.Composite;
55 import com.google.gwt.user.client.ui.Tree;
56
57 public class MysharedTreeView extends Composite implements TreeView {
58
59     public void updateChildren(Folder folder) {
60         TreeNode root = tree.getRootTreeNode();
61         updateChildren(root, folder);
62     }
63
64     private void updateChildren(TreeNode node, Folder folder) {
65         for (int i=0; i<node.getChildCount(); i++) {
66             if (node.isChildOpen(i)) {
67                 if (folder.equals(node.getChildValue(i))) {
68                     node.setChildOpen(i, false, true);
69                     node.setChildOpen(i, true, true);
70                 }
71                 else {
72                     TreeNode n = node.setChildOpen(i, true);
73                     updateChildren(n, folder);
74                 }
75             }
76         }
77     }
78
79     static interface BasicResources extends CellTree.Resources {
80
81         @Override
82                 @ImageOptions(flipRtl = true)
83         @Source("gr/grnet/pithos/web/client/cellTreeClosedItem.png")
84         ImageResource cellTreeClosedItem();
85
86         @Override
87                 @ImageOptions(flipRtl = true)
88         @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
89         ImageResource cellTreeLoading();
90
91         @Override
92                 @ImageOptions(flipRtl = true)
93         @Source("gr/grnet/pithos/web/client/cellTreeOpenItem.png")
94         ImageResource cellTreeOpenItem();
95
96         @Override
97                 @Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"})
98         CellTree.Style cellTreeStyle();
99         
100         @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
101         @ImageOptions(repeatStyle=RepeatStyle.None)
102         ImageResource cellTreeLoadingBasic();
103     }
104
105     public static interface Images extends Tree.Resources, FolderContextMenu.Images {
106
107         @Source("gr/grnet/pithos/resources/home22.png")
108         ImageResource home();
109
110         @Source("gr/grnet/pithos/resources/2folder22.png")
111         public ImageResource folderYellow();
112
113         @Source("gr/grnet/pithos/resources/mimetypes/document.png")
114         ImageResource document();
115
116         @Source("gr/grnet/pithos/resources/myshared22.png")
117         ImageResource myShared();
118
119         @Source("gr/grnet/pithos/resources/sharedbyme22.png")
120         ImageResource sharedByMe();
121
122         @Source("gr/grnet/pithos/resources/folder_user.png")
123         ImageResource sharedFolder();
124     }
125
126     static Images images = GWT.create(Images.class);
127
128     static interface Templates extends SafeHtmlTemplates {
129         public Templates INSTANCE = GWT.create(Templates.class);
130
131         @Template("<span>{0}</span>")
132         public SafeHtml nameSpan(String name);
133       }
134
135     interface Style extends gr.grnet.pithos.web.client.PithosDisclosurePanel.Style {
136         @Override
137                 String header();
138     }
139
140     interface Resources extends gr.grnet.pithos.web.client.PithosDisclosurePanel.Resources {
141                 @Override
142                 @Source("PithosMySharedDisclosurePanel.css")
143                 Style pithosDisclosurePanelCss();
144
145                 @Override
146                 @Source("gr/grnet/pithos/resources/sharedbyme22.png")
147         ImageResource icon();
148     }
149
150     private MysharedTreeViewModel model;
151
152     private PithosDisclosurePanel panel;
153     
154     private CellTree tree;
155     
156     private CellTree.Resources res = GWT.create(BasicResources.class);
157     
158     public MysharedTreeView(MysharedTreeViewModel viewModel) {
159         this.model = viewModel;
160         
161         panel = new PithosDisclosurePanel((Resources) GWT.create(Resources.class), "Shared by me", false);
162         createTree();
163
164         initWidget(panel);
165     }
166
167         /**
168          * 
169          */
170         void createTree() {
171                 /*
172          * Create the tree using the model. We use <code>null</code> as the default
173          * value of the root node. The default value will be passed to
174          * CustomTreeModel#getNodeInfo();
175          */
176                 if (tree != null)
177                         tree.removeFromParent();
178         tree = new CellTree(model, null, res);
179         tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
180         panel.setContent(tree);
181         }
182
183
184     @Override
185         public Folder getSelection() {
186        return model.getSelection();
187     }
188
189     public void updateFolder(Folder folder, boolean showfiles, Command callback) {
190         model.updateFolder(folder, showfiles, callback);
191     }
192
193         public void updateRoot() {
194                 model.initialize(new Command() {
195                                 
196                                 @Override
197                                 public void execute() {
198                                         createTree();
199                                 }
200                 });
201         }
202 }