2 * Copyright 2011-2013 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
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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
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33 * or implied, of GRNET S.A.
36 package gr.grnet.pithos.web.client.grouptree;
38 import com.google.gwt.core.client.GWT;
39 import com.google.gwt.resources.client.ImageResource;
40 import com.google.gwt.resources.client.ImageResource.ImageOptions;
41 import com.google.gwt.resources.client.ImageResource.RepeatStyle;
42 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
43 import com.google.gwt.safehtml.shared.SafeHtml;
44 import com.google.gwt.user.cellview.client.CellTree;
45 import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
46 import com.google.gwt.user.cellview.client.TreeNode;
47 import com.google.gwt.user.client.ui.Composite;
48 import com.google.gwt.user.client.ui.Tree;
49 import gr.grnet.pithos.web.client.FolderContextMenu;
50 import gr.grnet.pithos.web.client.PithosDisclosurePanel;
51 import gr.grnet.pithos.web.client.TreeView;
52 import gr.grnet.pithos.web.client.foldertree.Folder;
54 public class GroupTreeView extends Composite implements TreeView {
56 public void updateChildren(Group group) {
57 TreeNode root = tree.getRootTreeNode();
59 updateChildren(root, group);
60 else if (root.getChildCount() > 0) {
61 root.setChildOpen(0, false, true);
62 root.setChildOpen(0, true, true);
66 private void updateChildren(TreeNode node, Group group) {
67 for (int i=0; i<node.getChildCount(); i++) {
68 if (group.equals(node.getChildValue(i))) {
69 node.setChildOpen(i, false, true);
70 node.setChildOpen(i, true, true);
73 if (node.isChildOpen(i)) {
74 TreeNode n = node.setChildOpen(i, true);
75 updateChildren(n, group);
81 static interface BasicResources extends CellTree.Resources {
84 @ImageOptions(flipRtl = true)
85 @Source("gr/grnet/pithos/web/client/cellTreeClosedItem.png")
86 ImageResource cellTreeClosedItem();
89 @ImageOptions(flipRtl = true)
90 @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
91 ImageResource cellTreeLoading();
94 @ImageOptions(flipRtl = true)
95 @Source("gr/grnet/pithos/web/client/cellTreeOpenItem.png")
96 ImageResource cellTreeOpenItem();
99 @Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"})
100 CellTree.Style cellTreeStyle();
102 @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
103 @ImageOptions(repeatStyle=RepeatStyle.None)
104 ImageResource cellTreeLoadingBasic();
107 public static interface Images extends Tree.Resources, FolderContextMenu.Images {
109 @Source("gr/grnet/pithos/resources/groups22.png")
110 ImageResource groups();
112 @Source("gr/grnet/pithos/resources/groups22.png")
113 public ImageResource group();
115 @Source("gr/grnet/pithos/resources/edit_user.png")
116 ImageResource user();
119 static Images images = GWT.create(Images.class);
121 interface Style extends gr.grnet.pithos.web.client.PithosDisclosurePanel.Style {
126 interface Resources extends gr.grnet.pithos.web.client.PithosDisclosurePanel.Resources {
128 @Source("PithosGroupDisclosurePanel.css")
129 Style pithosDisclosurePanelCss();
132 @Source("gr/grnet/pithos/resources/groups22.png")
133 ImageResource icon();
136 public static interface Templates extends SafeHtmlTemplates {
137 public Templates INSTANCE = GWT.create(Templates.class);
139 @Template("<span style='margin-left:5px;'>{0}</span>")
140 public SafeHtml nameSpan(String name);
143 private GroupTreeViewModel model;
145 private CellTree tree;
147 public GroupTreeView(GroupTreeViewModel viewModel) {
148 this.model = viewModel;
150 PithosDisclosurePanel panel = new PithosDisclosurePanel((Resources) GWT.create(Resources.class), "Groups", false, false);
152 * Create the tree using the model. We use <code>null</code> as the default
153 * value of the root node. The default value will be passed to
154 * CustomTreeModel#getNodeInfo();
156 CellTree.Resources res = GWT.create(BasicResources.class);
157 tree = new CellTree(model, null, res);
158 tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
160 panel.setContent(tree);
165 public void updateGroupNode(Group group) {
166 model.updateGroupNode(group);
167 updateChildren(group);
171 public Folder getSelection() {
175 public Object getSelected() {
176 return model.getSelectedObject();