root / web_client / src / gr / grnet / pithos / web / client / othersharedtree / OtherSharedTreeViewModel.java @ eee732d5
History | View | Annotate | Download (14.2 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.othersharedtree; |
37 |
|
38 |
import gr.grnet.pithos.web.client.FolderContextMenu; |
39 |
import gr.grnet.pithos.web.client.Pithos; |
40 |
import gr.grnet.pithos.web.client.SharingUsers; |
41 |
import gr.grnet.pithos.web.client.foldertree.Folder; |
42 |
import gr.grnet.pithos.web.client.mysharedtree.MysharedTreeView; |
43 |
import gr.grnet.pithos.web.client.othersharedtree.OtherSharedTreeView.Templates; |
44 |
import gr.grnet.pithos.web.client.rest.GetRequest; |
45 |
import gr.grnet.pithos.web.client.rest.RestException; |
46 |
|
47 |
import java.util.HashMap; |
48 |
import java.util.Iterator; |
49 |
import java.util.List; |
50 |
import java.util.Map; |
51 |
|
52 |
import com.google.gwt.cell.client.AbstractCell; |
53 |
import com.google.gwt.cell.client.Cell; |
54 |
import com.google.gwt.cell.client.TextCell; |
55 |
import com.google.gwt.cell.client.ValueUpdater; |
56 |
import com.google.gwt.core.client.GWT; |
57 |
import com.google.gwt.core.client.Scheduler; |
58 |
import com.google.gwt.event.dom.client.ContextMenuEvent; |
59 |
import com.google.gwt.safehtml.shared.SafeHtml; |
60 |
import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
61 |
import com.google.gwt.text.shared.SafeHtmlRenderer; |
62 |
import com.google.gwt.user.client.Command; |
63 |
import com.google.gwt.user.client.ui.AbstractImagePrototype; |
64 |
import com.google.gwt.view.client.ListDataProvider; |
65 |
import com.google.gwt.view.client.SelectionChangeEvent; |
66 |
import com.google.gwt.view.client.SelectionChangeEvent.Handler; |
67 |
import com.google.gwt.view.client.SingleSelectionModel; |
68 |
import com.google.gwt.view.client.TreeViewModel; |
69 |
|
70 |
public class OtherSharedTreeViewModel implements TreeViewModel { |
71 |
|
72 |
protected Pithos app;
|
73 |
|
74 |
private Cell<Folder> folderCell = new AbstractCell<Folder>(ContextMenuEvent.getType().getName()) { |
75 |
|
76 |
@Override
|
77 |
public void render(Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) { |
78 |
String html = AbstractImagePrototype.create(OtherSharedTreeView.images.folderYellow()).getHTML();
|
79 |
safeHtmlBuilder.appendHtmlConstant(html); |
80 |
safeHtmlBuilder.append(Templates.INSTANCE.nameSpan(folder.getName()));
|
81 |
} |
82 |
|
83 |
@Override
|
84 |
public void onBrowserEvent(Context context, com.google.gwt.dom.client.Element parent, Folder folder, com.google.gwt.dom.client.NativeEvent event, ValueUpdater<Folder> valueUpdater) { |
85 |
if (event.getType().equals(ContextMenuEvent.getType().getName())) {
|
86 |
OtherSharedTreeViewModel.this.selectionModel.setSelected(folder, true);
|
87 |
FolderContextMenu menu = new FolderContextMenu(app, OtherSharedTreeView.images, folder);
|
88 |
menu.setPopupPosition(event.getClientX(), event.getClientY()); |
89 |
menu.show(); |
90 |
} |
91 |
} |
92 |
}; |
93 |
|
94 |
private ListDataProvider<String> rootDataProvider = new ListDataProvider<String>(); |
95 |
private ListDataProvider<String> firstLevelDataProvider = new ListDataProvider<String>(); |
96 |
|
97 |
private Map<String, ListDataProvider<Folder>> userDataProviderMap = new HashMap<String, ListDataProvider<Folder>>(); |
98 |
private Map<Folder, ListDataProvider<Folder>> dataProviderMap = new HashMap<Folder, ListDataProvider<Folder>>(); |
99 |
|
100 |
private SingleSelectionModel<Folder> selectionModel; |
101 |
|
102 |
public OtherSharedTreeViewModel(Pithos _app, SingleSelectionModel<Folder> selectionModel) { |
103 |
app = _app; |
104 |
this.selectionModel = selectionModel;
|
105 |
} |
106 |
|
107 |
@Override
|
108 |
public <T> NodeInfo<?> getNodeInfo(T value) {
|
109 |
if (value == null) { |
110 |
rootDataProvider.getList().add("Other 's Shared");
|
111 |
final SingleSelectionModel<String> selectionModel2 = new SingleSelectionModel<String>(); |
112 |
selectionModel2.addSelectionChangeHandler(new Handler() { |
113 |
|
114 |
@Override
|
115 |
public void onSelectionChange(SelectionChangeEvent event) { |
116 |
if (selectionModel2.getSelectedObject() != null) { |
117 |
app.deselectOthers(selectionModel2); |
118 |
} |
119 |
} |
120 |
}); |
121 |
app.addSelectionModel(selectionModel2); |
122 |
return new DefaultNodeInfo<String>(rootDataProvider, new TextCell(new SafeHtmlRenderer<String>() { |
123 |
@Override
|
124 |
public SafeHtml render(String object) { |
125 |
SafeHtmlBuilder builder = new SafeHtmlBuilder();
|
126 |
render(object, builder); |
127 |
return builder.toSafeHtml();
|
128 |
} |
129 |
|
130 |
@Override
|
131 |
public void render(String object, SafeHtmlBuilder builder) { |
132 |
String html = AbstractImagePrototype.create(OtherSharedTreeView.images.othersShared()).getHTML();
|
133 |
builder.appendHtmlConstant(html); |
134 |
builder.append(OtherSharedTreeView.Templates.INSTANCE.nameSpan(object)); |
135 |
} |
136 |
}), selectionModel2, null);
|
137 |
} |
138 |
else if (value instanceof String) { |
139 |
if (value.equals("Other 's Shared")) { |
140 |
fetchSharingUsers(firstLevelDataProvider); |
141 |
final SingleSelectionModel<String> selectionModel3 = new SingleSelectionModel<String>(); |
142 |
selectionModel3.addSelectionChangeHandler(new Handler() { |
143 |
|
144 |
@Override
|
145 |
public void onSelectionChange(SelectionChangeEvent event) { |
146 |
if (selectionModel3.getSelectedObject() != null) { |
147 |
app.deselectOthers(selectionModel3); |
148 |
} |
149 |
} |
150 |
}); |
151 |
app.addSelectionModel(selectionModel3); |
152 |
return new DefaultNodeInfo<String>(firstLevelDataProvider, new TextCell(new SafeHtmlRenderer<String>() { |
153 |
|
154 |
@Override
|
155 |
public SafeHtml render(String object) { |
156 |
SafeHtmlBuilder builder = new SafeHtmlBuilder();
|
157 |
render(object, builder); |
158 |
return builder.toSafeHtml();
|
159 |
} |
160 |
|
161 |
@Override
|
162 |
public void render(String object, SafeHtmlBuilder builder) { |
163 |
String html = AbstractImagePrototype.create(OtherSharedTreeView.images.folderYellow()).getHTML();
|
164 |
builder.appendHtmlConstant(html); |
165 |
builder.append(OtherSharedTreeView.Templates.INSTANCE.nameSpan(object)); |
166 |
} |
167 |
}), selectionModel3, null);
|
168 |
} |
169 |
else {
|
170 |
return new DefaultNodeInfo<Folder>(new ListDataProvider<Folder>(), folderCell, selectionModel, null); |
171 |
} |
172 |
} |
173 |
else {
|
174 |
final Folder f = (Folder) value;
|
175 |
if (dataProviderMap.get(f) == null) { |
176 |
dataProviderMap.put(f, new ListDataProvider<Folder>());
|
177 |
} |
178 |
final ListDataProvider<Folder> dataProvider = dataProviderMap.get(f);
|
179 |
fetchFolder(f, dataProvider, false);
|
180 |
return new DefaultNodeInfo<Folder>(dataProvider, folderCell, selectionModel, null); |
181 |
} |
182 |
} |
183 |
|
184 |
private void fetchSharingUsers(final ListDataProvider<String> dataProvider) { |
185 |
GetRequest<SharingUsers> getSharingUsers = new GetRequest<SharingUsers>(SharingUsers.class, app.getApiPath(), "", "?format=json") { |
186 |
@Override
|
187 |
public void onSuccess(final SharingUsers result) { |
188 |
dataProvider.getList().clear(); |
189 |
dataProvider.getList().addAll(result.getUsers()); |
190 |
// Iterator<Folder> iter = result.getSubfolders().iterator();
|
191 |
// fetchFolder(iter, new Command() {
|
192 |
// @Override
|
193 |
// public void execute() {
|
194 |
// dataProvider.getList().clear();
|
195 |
// dataProvider.getList().addAll(result.getSubfolders());
|
196 |
// }
|
197 |
// });
|
198 |
} |
199 |
|
200 |
@Override
|
201 |
public void onError(Throwable t) { |
202 |
GWT.log("Error getting folder", t);
|
203 |
if (t instanceof RestException) |
204 |
app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
|
205 |
else
|
206 |
app.displayError("System error fetching folder: " + t.getMessage());
|
207 |
} |
208 |
}; |
209 |
getSharingUsers.setHeader("X-Auth-Token", app.getToken());
|
210 |
Scheduler.get().scheduleDeferred(getSharingUsers); |
211 |
} |
212 |
|
213 |
private void fetchSharedFolders(final ListDataProvider<Folder> dataProvider) { |
214 |
Folder pithos = new Folder(Pithos.HOME_CONTAINER);
|
215 |
pithos.setContainer(Pithos.HOME_CONTAINER); |
216 |
String path = "/" + pithos.getContainer() + "?format=json&shared="; |
217 |
GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), app.getUsername(), path, pithos) {
|
218 |
@Override
|
219 |
public void onSuccess(final Folder result) { |
220 |
// if (showfiles)
|
221 |
// app.showFiles(result);
|
222 |
Iterator<Folder> iter = result.getSubfolders().iterator();
|
223 |
fetchFolder(iter, new Command() {
|
224 |
@Override
|
225 |
public void execute() { |
226 |
dataProvider.getList().clear(); |
227 |
dataProvider.getList().addAll(result.getSubfolders()); |
228 |
// app.getMySharedTreeView().updateChildren(f);
|
229 |
} |
230 |
}); |
231 |
} |
232 |
|
233 |
@Override
|
234 |
public void onError(Throwable t) { |
235 |
GWT.log("Error getting folder", t);
|
236 |
if (t instanceof RestException) |
237 |
app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
|
238 |
else
|
239 |
app.displayError("System error fetching folder: " + t.getMessage());
|
240 |
} |
241 |
}; |
242 |
getFolder.setHeader("X-Auth-Token", app.getToken());
|
243 |
Scheduler.get().scheduleDeferred(getFolder); |
244 |
} |
245 |
|
246 |
@Override
|
247 |
public boolean isLeaf(Object o) { |
248 |
if (o instanceof Folder) { |
249 |
Folder f = (Folder) o; |
250 |
return f.getSubfolders().isEmpty();
|
251 |
} |
252 |
return false; |
253 |
} |
254 |
|
255 |
protected void fetchFolder(final Iterator<Folder> iter, final Command callback) { |
256 |
if (iter.hasNext()) {
|
257 |
final Folder f = iter.next();
|
258 |
|
259 |
String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix(); |
260 |
GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), app.getUsername(), path, f) {
|
261 |
@Override
|
262 |
public void onSuccess(Folder result) { |
263 |
fetchFolder(iter, callback); |
264 |
} |
265 |
|
266 |
@Override
|
267 |
public void onError(Throwable t) { |
268 |
GWT.log("Error getting folder", t);
|
269 |
if (t instanceof RestException) |
270 |
app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
|
271 |
else
|
272 |
app.displayError("System error fetching folder: " + t.getMessage());
|
273 |
} |
274 |
}; |
275 |
getFolder.setHeader("X-Auth-Token", app.getToken());
|
276 |
Scheduler.get().scheduleDeferred(getFolder); |
277 |
} |
278 |
else if (callback != null) |
279 |
callback.execute(); |
280 |
} |
281 |
|
282 |
public Folder getSelection() {
|
283 |
return selectionModel.getSelectedObject();
|
284 |
} |
285 |
|
286 |
public void updateFolder(Folder folder, boolean showfiles) { |
287 |
if (dataProviderMap.get(folder) == null) { |
288 |
dataProviderMap.put(folder, new ListDataProvider<Folder>());
|
289 |
} |
290 |
final ListDataProvider<Folder> dataProvider = dataProviderMap.get(folder);
|
291 |
fetchFolder(folder, dataProvider, showfiles); |
292 |
} |
293 |
|
294 |
public void fetchFolder(final Folder f, final ListDataProvider<Folder> dataProvider, final boolean showfiles) { |
295 |
String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix(); |
296 |
GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), app.getUsername(), path, f) {
|
297 |
@Override
|
298 |
public void onSuccess(final Folder result) { |
299 |
if (showfiles)
|
300 |
app.showFiles(result); |
301 |
Iterator<Folder> iter = result.getSubfolders().iterator();
|
302 |
fetchFolder(iter, new Command() {
|
303 |
@Override
|
304 |
public void execute() { |
305 |
dataProvider.getList().clear(); |
306 |
dataProvider.getList().addAll(result.getSubfolders()); |
307 |
app.getOtherSharedTreeView().updateChildren(f); |
308 |
} |
309 |
}); |
310 |
} |
311 |
|
312 |
@Override
|
313 |
public void onError(Throwable t) { |
314 |
GWT.log("Error getting folder", t);
|
315 |
if (t instanceof RestException) |
316 |
app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
|
317 |
else
|
318 |
app.displayError("System error fetching folder: " + t.getMessage());
|
319 |
} |
320 |
}; |
321 |
getFolder.setHeader("X-Auth-Token", app.getToken());
|
322 |
Scheduler.get().scheduleDeferred(getFolder); |
323 |
} |
324 |
} |