2 * Copyright 2011 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;
40 import com.google.gwt.core.client.GWT;
41 import com.google.gwt.resources.client.ImageResource;
42 import com.google.gwt.resources.client.ImageResource.ImageOptions;
43 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
44 import com.google.gwt.safehtml.shared.SafeHtml;
45 import com.google.gwt.user.cellview.client.CellTree;
46 import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
47 import com.google.gwt.user.cellview.client.TreeNode;
48 import com.google.gwt.user.client.ui.Composite;
49 import com.google.gwt.user.client.ui.Tree;
51 public class GroupTreeView extends Composite {
53 public void updateChildren(Group group) {
54 TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
56 updateChildren(root, group);
58 root.setChildOpen(0, false, true);
59 root.setChildOpen(0, true, true);
63 private void updateChildren(TreeNode node, Group group) {
64 for (int i=0; i<node.getChildCount(); i++) {
65 if (group.equals(node.getChildValue(i))) {
66 node.setChildOpen(i, false, true);
67 node.setChildOpen(i, true, true);
70 if (node.isChildOpen(i)) {
71 TreeNode n = node.setChildOpen(i, true);
72 updateChildren(n, group);
78 static interface BasicResources extends CellTree.Resources {
81 @ImageOptions(flipRtl = true)
82 @Source("gr/grnet/pithos/web/client/cellTreeClosedItem.gif")
83 ImageResource cellTreeClosedItem();
86 @ImageOptions(flipRtl = true)
87 @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
88 ImageResource cellTreeLoading();
91 @ImageOptions(flipRtl = true)
92 @Source("gr/grnet/pithos/web/client/cellTreeOpenItem.gif")
93 ImageResource cellTreeOpenItem();
96 @Source({"gr/grnet/pithos/web/client/GssCellTreeBasic.css"})
97 CellTree.Style cellTreeStyle();
100 public static interface Images extends Tree.Resources, FolderContextMenu.Images {
102 @Source("gr/grnet/pithos/resources/groupevent.png")
103 ImageResource groups();
105 @Source("gr/grnet/pithos/resources/group.png")
106 public ImageResource group();
108 @Source("gr/grnet/pithos/resources/edit_user.png")
109 ImageResource user();
112 static Images images = GWT.create(Images.class);
114 static interface Templates extends SafeHtmlTemplates {
115 public Templates INSTANCE = GWT.create(Templates.class);
117 @Template("<span>{0}</span>")
118 public SafeHtml nameSpan(String name);
121 private GroupTreeViewModel model;
123 public GroupTreeView(GroupTreeViewModel viewModel) {
124 this.model = viewModel;
126 * Create the tree using the model. We use <code>null</code> as the default
127 * value of the root node. The default value will be passed to
128 * CustomTreeModel#getNodeInfo();
130 CellTree.Resources res = GWT.create(BasicResources.class);
131 CellTree tree = new CellTree(model, null, res);
132 tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
137 public void updateGroupNode(Group group) {
138 model.updateGroupNode(group);
139 updateChildren(group);