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
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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.TreeView;
40 import gr.grnet.pithos.web.client.foldertree.Folder;
42 import com.google.gwt.core.client.GWT;
43 import com.google.gwt.resources.client.ImageResource;
44 import com.google.gwt.resources.client.ClientBundle.Source;
45 import com.google.gwt.resources.client.ImageResource.ImageOptions;
46 import com.google.gwt.resources.client.ImageResource.RepeatStyle;
47 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
48 import com.google.gwt.safehtml.shared.SafeHtml;
49 import com.google.gwt.user.cellview.client.CellTree;
50 import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
51 import com.google.gwt.user.cellview.client.TreeNode;
52 import com.google.gwt.user.client.ui.Composite;
53 import com.google.gwt.user.client.ui.Tree;
55 public class GroupTreeView extends Composite implements TreeView {
57 public void updateChildren(Group group) {
58 TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
60 updateChildren(root, group);
62 root.setChildOpen(0, false, true);
63 root.setChildOpen(0, true, true);
67 private void updateChildren(TreeNode node, Group group) {
68 for (int i=0; i<node.getChildCount(); i++) {
69 if (group.equals(node.getChildValue(i))) {
70 node.setChildOpen(i, false, true);
71 node.setChildOpen(i, true, true);
74 if (node.isChildOpen(i)) {
75 TreeNode n = node.setChildOpen(i, true);
76 updateChildren(n, group);
82 static interface BasicResources extends CellTree.Resources {
85 @ImageOptions(flipRtl = true)
86 @Source("gr/grnet/pithos/web/client/cellTreeClosedItem.png")
87 ImageResource cellTreeClosedItem();
90 @ImageOptions(flipRtl = true)
91 @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
92 ImageResource cellTreeLoading();
95 @ImageOptions(flipRtl = true)
96 @Source("gr/grnet/pithos/web/client/cellTreeOpenItem.png")
97 ImageResource cellTreeOpenItem();
100 @Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"})
101 CellTree.Style cellTreeStyle();
103 @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
104 @ImageOptions(repeatStyle=RepeatStyle.None)
105 ImageResource cellTreeLoadingBasic();
108 public static interface Images extends Tree.Resources, FolderContextMenu.Images {
110 @Source("gr/grnet/pithos/resources/groups22.png")
111 ImageResource groups();
113 @Source("gr/grnet/pithos/resources/groups22.png")
114 public ImageResource group();
116 @Source("gr/grnet/pithos/resources/edit_user.png")
117 ImageResource user();
120 static Images images = GWT.create(Images.class);
122 static interface Templates extends SafeHtmlTemplates {
123 public Templates INSTANCE = GWT.create(Templates.class);
125 @Template("<span>{0}</span>")
126 public SafeHtml nameSpan(String name);
129 private GroupTreeViewModel model;
131 public GroupTreeView(GroupTreeViewModel viewModel) {
132 this.model = viewModel;
134 * Create the tree using the model. We use <code>null</code> as the default
135 * value of the root node. The default value will be passed to
136 * CustomTreeModel#getNodeInfo();
138 CellTree.Resources res = GWT.create(BasicResources.class);
139 CellTree tree = new CellTree(model, null, res);
140 tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
145 public void updateGroupNode(Group group) {
146 model.updateGroupNode(group);
147 updateChildren(group);
151 public Folder getSelection() {
152 // TODO Auto-generated method stub
156 public Object getSelected() {
157 return model.getSelectedObject();