root / src / gr / grnet / pithos / web / client / foldertree / FolderTreeView.java @ 6acd4df3
History | View | Annotate | Download (6.4 kB)
1 |
/*
|
---|---|
2 |
* Copyright 2011-2012 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.resources.client.ImageResource.RepeatStyle; |
45 |
import com.google.gwt.safehtml.client.SafeHtmlTemplates; |
46 |
import com.google.gwt.safehtml.shared.SafeHtml; |
47 |
import com.google.gwt.user.cellview.client.CellTree; |
48 |
import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy; |
49 |
import com.google.gwt.user.cellview.client.TreeNode; |
50 |
import com.google.gwt.user.client.Command; |
51 |
import com.google.gwt.user.client.ui.Composite; |
52 |
import com.google.gwt.user.client.ui.Tree; |
53 |
|
54 |
public class FolderTreeView extends Composite implements TreeView { |
55 |
|
56 |
public boolean isFolderOpen(Folder folder) { |
57 |
TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
|
58 |
return isFolderOpen(root, folder);
|
59 |
} |
60 |
|
61 |
private boolean isFolderOpen(TreeNode node, Folder folder) { |
62 |
for (int i=0; i<node.getChildCount(); i++) { |
63 |
if (folder.equals(node.getChildValue(i))) {
|
64 |
return node.isChildOpen(i);
|
65 |
} |
66 |
if (node.isChildOpen(i)) {
|
67 |
TreeNode n = node.setChildOpen(i, true); |
68 |
return isFolderOpen(n, folder);
|
69 |
} |
70 |
} |
71 |
return false; |
72 |
} |
73 |
|
74 |
public void openFolder(Folder folder) { |
75 |
TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
|
76 |
openFolder(root, folder); |
77 |
} |
78 |
|
79 |
private void openFolder(TreeNode node, Folder folder) { |
80 |
for (int i=0; i<node.getChildCount(); i++) { |
81 |
if (folder.equals(node.getChildValue(i))) {
|
82 |
node.setChildOpen(i, false, true); |
83 |
node.setChildOpen(i, true, true); |
84 |
break;
|
85 |
} |
86 |
if (node.isChildOpen(i)) {
|
87 |
TreeNode n = node.setChildOpen(i, true); |
88 |
openFolder(n, folder); |
89 |
break;
|
90 |
} |
91 |
} |
92 |
} |
93 |
|
94 |
static interface BasicResources extends CellTree.Resources { |
95 |
|
96 |
@Override
|
97 |
@ImageOptions(flipRtl = true) |
98 |
@Source("gr/grnet/pithos/web/client/cellTreeClosedItem.png") |
99 |
ImageResource cellTreeClosedItem(); |
100 |
|
101 |
@Override
|
102 |
@ImageOptions(flipRtl = true) |
103 |
@Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif") |
104 |
ImageResource cellTreeLoading(); |
105 |
|
106 |
@Override
|
107 |
@ImageOptions(flipRtl = true) |
108 |
@Source("gr/grnet/pithos/web/client/cellTreeOpenItem.png") |
109 |
ImageResource cellTreeOpenItem(); |
110 |
|
111 |
@Override
|
112 |
@Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"}) |
113 |
CellTree.Style cellTreeStyle(); |
114 |
|
115 |
@Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif") |
116 |
@ImageOptions(repeatStyle=RepeatStyle.None)
|
117 |
ImageResource cellTreeLoadingBasic(); |
118 |
} |
119 |
|
120 |
public static interface Images extends Tree.Resources, FolderContextMenu.Images { |
121 |
|
122 |
@Source("gr/grnet/pithos/resources/home22.png") |
123 |
ImageResource home(); |
124 |
|
125 |
@Source("gr/grnet/pithos/resources/folder22.png") |
126 |
public ImageResource folderYellow();
|
127 |
|
128 |
@Source("gr/grnet/pithos/resources/mimetypes/document.png") |
129 |
ImageResource document(); |
130 |
|
131 |
@Source("gr/grnet/pithos/resources/othersshared.png") |
132 |
ImageResource othersShared(); |
133 |
|
134 |
@Source("gr/grnet/pithos/resources/myshared22.png") |
135 |
ImageResource myShared(); |
136 |
|
137 |
@Source("gr/grnet/pithos/resources/folder_user.png") |
138 |
ImageResource sharedFolder(); |
139 |
|
140 |
@Source("gr/grnet/pithos/resources/trash.png") |
141 |
ImageResource trash(); |
142 |
} |
143 |
|
144 |
static Images images = GWT.create(Images.class);
|
145 |
|
146 |
static interface Templates extends SafeHtmlTemplates { |
147 |
public Templates INSTANCE = GWT.create(Templates.class); |
148 |
|
149 |
@Template("<span style='vertical-align: middle;'>{0}</span>") |
150 |
public SafeHtml nameSpan(String name); |
151 |
|
152 |
@Template("<span class='pithos-folderLabel'>{0}</span>") |
153 |
public SafeHtml imageSpan(String name); |
154 |
} |
155 |
|
156 |
private FolderTreeViewModel model;
|
157 |
|
158 |
public FolderTreeView(FolderTreeViewModel viewModel) {
|
159 |
this.model = viewModel;
|
160 |
/*
|
161 |
* Create the tree using the model. We use <code>null</code> as the default
|
162 |
* value of the root node. The default value will be passed to
|
163 |
* CustomTreeModel#getNodeInfo();
|
164 |
*/
|
165 |
CellTree.Resources res = GWT.create(BasicResources.class); |
166 |
CellTree tree = new CellTree(model, null, res); |
167 |
tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); |
168 |
|
169 |
initWidget(tree); |
170 |
} |
171 |
|
172 |
|
173 |
@Override
|
174 |
public Folder getSelection() {
|
175 |
return model.getSelection();
|
176 |
} |
177 |
|
178 |
public void updateFolder(Folder folder, boolean showfiles, Command callback, final boolean openParent) { |
179 |
model.updateFolder(folder, showfiles, callback, openParent); |
180 |
} |
181 |
} |