2 * Copyright 2011-2012 GRNET S.A. All rights reserved.
4 * Redistribution and use in source and binary forms, with or
5 * without modification, are permitted provided that the following
8 * 1. Redistributions of source code must retain the above
9 * copyright notice, this list of conditions and the following
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.
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.
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.
36 package gr.grnet.pithos.web.client.grouptree;
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;
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.ui.Composite;
54 import com.google.gwt.user.client.ui.DisclosurePanel;
55 import com.google.gwt.user.client.ui.HTML;
56 import com.google.gwt.user.client.ui.Tree;
58 public class GroupTreeView extends Composite implements TreeView {
60 public void updateChildren(Group group) {
61 TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
63 updateChildren(root, group);
65 root.setChildOpen(0, false, true);
66 root.setChildOpen(0, true, true);
70 private void updateChildren(TreeNode node, Group group) {
71 for (int i=0; i<node.getChildCount(); i++) {
72 if (group.equals(node.getChildValue(i))) {
73 node.setChildOpen(i, false, true);
74 node.setChildOpen(i, true, true);
77 if (node.isChildOpen(i)) {
78 TreeNode n = node.setChildOpen(i, true);
79 updateChildren(n, group);
85 static interface BasicResources extends CellTree.Resources {
88 @ImageOptions(flipRtl = true)
89 @Source("gr/grnet/pithos/web/client/cellTreeClosedItem.png")
90 ImageResource cellTreeClosedItem();
93 @ImageOptions(flipRtl = true)
94 @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
95 ImageResource cellTreeLoading();
98 @ImageOptions(flipRtl = true)
99 @Source("gr/grnet/pithos/web/client/cellTreeOpenItem.png")
100 ImageResource cellTreeOpenItem();
103 @Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"})
104 CellTree.Style cellTreeStyle();
106 @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
107 @ImageOptions(repeatStyle=RepeatStyle.None)
108 ImageResource cellTreeLoadingBasic();
111 public static interface Images extends Tree.Resources, FolderContextMenu.Images {
113 @Source("gr/grnet/pithos/resources/groups22.png")
114 ImageResource groups();
116 @Source("gr/grnet/pithos/resources/groups22.png")
117 public ImageResource group();
119 @Source("gr/grnet/pithos/resources/edit_user.png")
120 ImageResource user();
123 static Images images = GWT.create(Images.class);
125 interface Resources extends gr.grnet.pithos.web.client.PithosDisclosurePanel.Resources {
127 @Source("gr/grnet/pithos/resources/groups22.png")
128 ImageResource icon();
131 public static interface Templates extends SafeHtmlTemplates {
132 public Templates INSTANCE = GWT.create(Templates.class);
134 @Template("<span style='margin-left:5px;'>{0}</span>")
135 public SafeHtml nameSpan(String name);
138 private GroupTreeViewModel model;
140 public GroupTreeView(GroupTreeViewModel viewModel) {
141 this.model = viewModel;
143 PithosDisclosurePanel panel = new PithosDisclosurePanel((Resources) GWT.create(Resources.class), "Groups", false);
145 * Create the tree using the model. We use <code>null</code> as the default
146 * value of the root node. The default value will be passed to
147 * CustomTreeModel#getNodeInfo();
149 CellTree.Resources res = GWT.create(BasicResources.class);
150 CellTree tree = new CellTree(model, null, res);
151 tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
158 public void updateGroupNode(Group group) {
159 model.updateGroupNode(group);
160 updateChildren(group);
164 public Folder getSelection() {
165 // TODO Auto-generated method stub
169 public Object getSelected() {
170 return model.getSelectedObject();