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.foldertree;
38 import com.google.gwt.cell.client.AbstractCell;
39 import com.google.gwt.core.client.GWT;
40 import com.google.gwt.resources.client.ClientBundle;
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.safehtml.shared.SafeHtmlBuilder;
46 import com.google.gwt.user.cellview.client.CellTree;
47 import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
48 import com.google.gwt.user.client.Event;
49 import com.google.gwt.user.client.ui.AbstractImagePrototype;
50 import com.google.gwt.user.client.ui.Composite;
51 import com.google.gwt.user.client.ui.Tree;
52 import gr.grnet.pithos.web.client.FolderContextMenu;
54 public class FolderTreeView extends Composite {
56 static interface BasicResources extends CellTree.Resources {
58 @ImageOptions(flipRtl = true)
59 @Source("cellTreeClosedItem.gif")
60 ImageResource cellTreeClosedItem();
62 @ImageOptions(flipRtl = true)
63 @Source("cellTreeLoadingBasic.gif")
64 ImageResource cellTreeLoading();
66 @ImageOptions(flipRtl = true)
67 @Source("cellTreeOpenItem.gif")
68 ImageResource cellTreeOpenItem();
70 @Source({"GssCellTreeBasic.css"})
71 CellTree.Style cellTreeStyle();
74 static interface Images extends ClientBundle,Tree.Resources, FolderContextMenu.Images {
76 @Source("gr/grnet/pithos/resources/folder_home.png")
79 @Source("gr/grnet/pithos/resources/folder_yellow.png")
80 ImageResource folderYellow();
83 private static Images images = GWT.create(Images.class);
85 static interface Templates extends SafeHtmlTemplates {
86 Templates INSTANCE = GWT.create(Templates.class);
88 @Template("<span>{0}</span>")
89 public SafeHtml nameSpan(String name);
92 static class FolderCell extends AbstractCell<Folder> {
95 public void render(Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) {
96 String html = AbstractImagePrototype.create(images.folderYellow()).getHTML();
97 safeHtmlBuilder.appendHtmlConstant(html);
98 safeHtmlBuilder.append(Templates.INSTANCE.nameSpan(folder.getName()));
103 private FolderTreeViewModel model;
105 public FolderTreeView(FolderTreeViewModel viewModel) {
106 this.model = viewModel;
108 * Create the tree using the model. We use <code>null</code> as the default
109 * value of the root node. The default value will be passed to
110 * CustomTreeModel#getNodeInfo();
112 CellTree.Resources res = GWT.create(BasicResources.class);
113 CellTree tree = new CellTree(model, null, res);
115 tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
117 sinkEvents(Event.ONCONTEXTMENU);
118 sinkEvents(Event.ONMOUSEUP);
122 public Folder getSelection() {
123 return model.getSelection();