root / src / gr / grnet / pithos / web / client / foldertree / FolderTreeView.java @ ebead1b5
History | View | Annotate | Download (6.1 kB)
1 |
/*
|
---|---|
2 |
* Copyright 2011 GRNET S.A. All rights reserved.
|
3 |
*
|
4 |
* Redistribution and use in source and binary forms, with or
|
5 |
* without modification, are permitted provided that the following
|
6 |
* conditions are met:
|
7 |
*
|
8 |
* 1. Redistributions of source code must retain the above
|
9 |
* copyright notice, this list of conditions and the following
|
10 |
* disclaimer.
|
11 |
*
|
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.
|
16 |
*
|
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.
|
29 |
*
|
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.
|
34 |
*/
|
35 |
|
36 |
package gr.grnet.pithos.web.client.foldertree; |
37 |
|
38 |
import gr.grnet.pithos.web.client.FolderContextMenu; |
39 |
import gr.grnet.pithos.web.client.TreeView; |
40 |
|
41 |
import com.google.gwt.core.client.GWT; |
42 |
import com.google.gwt.resources.client.ImageResource; |
43 |
import com.google.gwt.resources.client.ImageResource.ImageOptions; |
44 |
import com.google.gwt.safehtml.client.SafeHtmlTemplates; |
45 |
import com.google.gwt.safehtml.shared.SafeHtml; |
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.cellview.client.TreeNode; |
49 |
import com.google.gwt.user.client.Command; |
50 |
import com.google.gwt.user.client.ui.Composite; |
51 |
import com.google.gwt.user.client.ui.Tree; |
52 |
|
53 |
public class FolderTreeView extends Composite implements TreeView { |
54 |
|
55 |
public boolean isFolderOpen(Folder folder) { |
56 |
TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
|
57 |
return isFolderOpen(root, folder);
|
58 |
} |
59 |
|
60 |
private boolean isFolderOpen(TreeNode node, Folder folder) { |
61 |
for (int i=0; i<node.getChildCount(); i++) { |
62 |
if (folder.equals(node.getChildValue(i))) {
|
63 |
return node.isChildOpen(i);
|
64 |
} |
65 |
if (node.isChildOpen(i)) {
|
66 |
TreeNode n = node.setChildOpen(i, true); |
67 |
return isFolderOpen(n, folder);
|
68 |
} |
69 |
} |
70 |
return false; |
71 |
} |
72 |
|
73 |
public void openFolder(Folder folder) { |
74 |
TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
|
75 |
openFolder(root, folder); |
76 |
} |
77 |
|
78 |
private void openFolder(TreeNode node, Folder folder) { |
79 |
for (int i=0; i<node.getChildCount(); i++) { |
80 |
if (folder.equals(node.getChildValue(i))) {
|
81 |
node.setChildOpen(i, false, true); |
82 |
node.setChildOpen(i, true, true); |
83 |
break;
|
84 |
} |
85 |
if (node.isChildOpen(i)) {
|
86 |
TreeNode n = node.setChildOpen(i, true); |
87 |
openFolder(n, folder); |
88 |
break;
|
89 |
} |
90 |
} |
91 |
} |
92 |
|
93 |
static interface BasicResources extends CellTree.Resources { |
94 |
|
95 |
@Override
|
96 |
@ImageOptions(flipRtl = true) |
97 |
@Source("gr/grnet/pithos/web/client/cellTreeClosedItem.png") |
98 |
ImageResource cellTreeClosedItem(); |
99 |
|
100 |
@Override
|
101 |
@ImageOptions(flipRtl = true) |
102 |
@Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif") |
103 |
ImageResource cellTreeLoading(); |
104 |
|
105 |
@Override
|
106 |
@ImageOptions(flipRtl = true) |
107 |
@Source("gr/grnet/pithos/web/client/cellTreeOpenItem.png") |
108 |
ImageResource cellTreeOpenItem(); |
109 |
|
110 |
@Override
|
111 |
@Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"}) |
112 |
CellTree.Style cellTreeStyle(); |
113 |
} |
114 |
|
115 |
public static interface Images extends Tree.Resources, FolderContextMenu.Images { |
116 |
|
117 |
@Source("gr/grnet/pithos/resources/home22.png") |
118 |
ImageResource home(); |
119 |
|
120 |
@Source("gr/grnet/pithos/resources/folder22.png") |
121 |
public ImageResource folderYellow();
|
122 |
|
123 |
@Source("gr/grnet/pithos/resources/mimetypes/document.png") |
124 |
ImageResource document(); |
125 |
|
126 |
@Source("gr/grnet/pithos/resources/othersshared.png") |
127 |
ImageResource othersShared(); |
128 |
|
129 |
@Source("gr/grnet/pithos/resources/myshared22.png") |
130 |
ImageResource myShared(); |
131 |
|
132 |
@Source("gr/grnet/pithos/resources/folder_user.png") |
133 |
ImageResource sharedFolder(); |
134 |
|
135 |
@Source("gr/grnet/pithos/resources/trash.png") |
136 |
ImageResource trash(); |
137 |
} |
138 |
|
139 |
static Images images = GWT.create(Images.class);
|
140 |
|
141 |
static interface Templates extends SafeHtmlTemplates { |
142 |
public Templates INSTANCE = GWT.create(Templates.class); |
143 |
|
144 |
@Template("<span style='vertical-align: middle;'>{0}</span>") |
145 |
public SafeHtml nameSpan(String name); |
146 |
|
147 |
@Template("<span class='pithos-folderLabel'>{0}</span>") |
148 |
public SafeHtml imageSpan(String name); |
149 |
} |
150 |
|
151 |
private FolderTreeViewModel model;
|
152 |
|
153 |
public FolderTreeView(FolderTreeViewModel viewModel) {
|
154 |
this.model = viewModel;
|
155 |
/*
|
156 |
* Create the tree using the model. We use <code>null</code> as the default
|
157 |
* value of the root node. The default value will be passed to
|
158 |
* CustomTreeModel#getNodeInfo();
|
159 |
*/
|
160 |
CellTree.Resources res = GWT.create(BasicResources.class); |
161 |
CellTree tree = new CellTree(model, null, res); |
162 |
tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); |
163 |
|
164 |
initWidget(tree); |
165 |
} |
166 |
|
167 |
|
168 |
@Override
|
169 |
public Folder getSelection() {
|
170 |
return model.getSelection();
|
171 |
} |
172 |
|
173 |
public void updateFolder(Folder folder, boolean showfiles, Command callback) { |
174 |
model.updateFolder(folder, showfiles, callback); |
175 |
} |
176 |
} |