root / web_client / src / gr / grnet / pithos / web / client / othersharedtree / OtherSharedTreeViewModel.java @ 045234b6
History | View | Annotate | Download (17.3 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.AccountResource; |
42 |
import gr.grnet.pithos.web.client.foldertree.File; |
43 |
import gr.grnet.pithos.web.client.foldertree.Folder; |
44 |
import gr.grnet.pithos.web.client.othersharedtree.OtherSharedTreeView.Templates; |
45 |
import gr.grnet.pithos.web.client.rest.GetRequest; |
46 |
import gr.grnet.pithos.web.client.rest.RestException; |
47 |
|
48 |
import java.util.HashMap; |
49 |
import java.util.HashSet; |
50 |
import java.util.Iterator; |
51 |
import java.util.Map; |
52 |
import java.util.Set; |
53 |
|
54 |
import com.google.gwt.cell.client.AbstractCell; |
55 |
import com.google.gwt.cell.client.Cell; |
56 |
import com.google.gwt.cell.client.TextCell; |
57 |
import com.google.gwt.cell.client.ValueUpdater; |
58 |
import com.google.gwt.core.client.GWT; |
59 |
import com.google.gwt.core.client.Scheduler; |
60 |
import com.google.gwt.event.dom.client.ContextMenuEvent; |
61 |
import com.google.gwt.http.client.Response; |
62 |
import com.google.gwt.safehtml.shared.SafeHtml; |
63 |
import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
64 |
import com.google.gwt.text.shared.SafeHtmlRenderer; |
65 |
import com.google.gwt.user.client.Command; |
66 |
import com.google.gwt.user.client.ui.AbstractImagePrototype; |
67 |
import com.google.gwt.view.client.ListDataProvider; |
68 |
import com.google.gwt.view.client.SelectionChangeEvent; |
69 |
import com.google.gwt.view.client.SelectionChangeEvent.Handler; |
70 |
import com.google.gwt.view.client.SingleSelectionModel; |
71 |
import com.google.gwt.view.client.TreeViewModel; |
72 |
|
73 |
public class OtherSharedTreeViewModel implements TreeViewModel { |
74 |
|
75 |
protected Pithos app;
|
76 |
|
77 |
private Cell<Folder> folderCell = new AbstractCell<Folder>(ContextMenuEvent.getType().getName()) { |
78 |
|
79 |
@Override
|
80 |
public void render(@SuppressWarnings("unused") Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) { |
81 |
String html = AbstractImagePrototype.create(OtherSharedTreeView.images.folderYellow()).getHTML();
|
82 |
safeHtmlBuilder.appendHtmlConstant(html); |
83 |
safeHtmlBuilder.append(Templates.INSTANCE.nameSpan(folder.getName()));
|
84 |
} |
85 |
|
86 |
@Override
|
87 |
public void onBrowserEvent(@SuppressWarnings("unused") Context context, @SuppressWarnings("unused") com.google.gwt.dom.client.Element parent, Folder folder, com.google.gwt.dom.client.NativeEvent event, @SuppressWarnings("unused") ValueUpdater<Folder> valueUpdater) { |
88 |
if (event.getType().equals(ContextMenuEvent.getType().getName())) {
|
89 |
OtherSharedTreeViewModel.this.selectionModel.setSelected(folder, true);
|
90 |
FolderContextMenu menu = new FolderContextMenu(app, OtherSharedTreeView.images, app.getSelectedTree(), folder);
|
91 |
menu.setPopupPosition(event.getClientX(), event.getClientY()); |
92 |
menu.show(); |
93 |
} |
94 |
} |
95 |
}; |
96 |
|
97 |
private ListDataProvider<String> rootDataProvider = new ListDataProvider<String>(); |
98 |
protected ListDataProvider<String> userLevelDataProvider = new ListDataProvider<String>(); |
99 |
|
100 |
protected Map<String, ListDataProvider<Folder>> userDataProviderMap = new HashMap<String, ListDataProvider<Folder>>(); |
101 |
private Map<Folder, ListDataProvider<Folder>> dataProviderMap = new HashMap<Folder, ListDataProvider<Folder>>(); |
102 |
|
103 |
protected Map<String, Set<File>> sharedFiles = new HashMap<String, Set<File>>(); |
104 |
|
105 |
protected SingleSelectionModel<Folder> selectionModel; |
106 |
|
107 |
public OtherSharedTreeViewModel(Pithos _app, SingleSelectionModel<Folder> selectionModel) { |
108 |
app = _app; |
109 |
this.selectionModel = selectionModel;
|
110 |
} |
111 |
|
112 |
@Override
|
113 |
public <T> NodeInfo<?> getNodeInfo(T value) {
|
114 |
if (value == null) { |
115 |
rootDataProvider.getList().add("Other 's Shared");
|
116 |
final SingleSelectionModel<String> selectionModel2 = new SingleSelectionModel<String>(); |
117 |
selectionModel2.addSelectionChangeHandler(new Handler() { |
118 |
|
119 |
@Override
|
120 |
public void onSelectionChange(@SuppressWarnings("unused") SelectionChangeEvent event) { |
121 |
if (selectionModel2.getSelectedObject() != null) { |
122 |
app.deselectOthers(app.getOtherSharedTreeView(), selectionModel2); |
123 |
app.applyPermissions(null);
|
124 |
app.showFiles(new HashSet<File>()); |
125 |
} |
126 |
} |
127 |
}); |
128 |
app.addSelectionModel(selectionModel2); |
129 |
return new DefaultNodeInfo<String>(rootDataProvider, new TextCell(new SafeHtmlRenderer<String>() { |
130 |
@Override
|
131 |
public SafeHtml render(String object) { |
132 |
SafeHtmlBuilder builder = new SafeHtmlBuilder();
|
133 |
render(object, builder); |
134 |
return builder.toSafeHtml();
|
135 |
} |
136 |
|
137 |
@Override
|
138 |
public void render(String object, SafeHtmlBuilder builder) { |
139 |
String html = AbstractImagePrototype.create(OtherSharedTreeView.images.othersShared()).getHTML();
|
140 |
builder.appendHtmlConstant(html); |
141 |
builder.append(OtherSharedTreeView.Templates.INSTANCE.nameSpan(object)); |
142 |
} |
143 |
}), selectionModel2, null);
|
144 |
} |
145 |
else if (value instanceof String) { |
146 |
if (value.equals("Other 's Shared")) { |
147 |
fetchSharingUsers(); |
148 |
final SingleSelectionModel<String> selectionModel3 = new SingleSelectionModel<String>(); |
149 |
selectionModel3.addSelectionChangeHandler(new Handler() { |
150 |
|
151 |
@Override
|
152 |
public void onSelectionChange(@SuppressWarnings("unused") SelectionChangeEvent event) { |
153 |
if (selectionModel3.getSelectedObject() != null) { |
154 |
app.deselectOthers(app.getOtherSharedTreeView(), selectionModel3); |
155 |
app.applyPermissions(null);
|
156 |
String username = selectionModel3.getSelectedObject();
|
157 |
if (userDataProviderMap.get(username) == null) { |
158 |
userDataProviderMap.put(username, new ListDataProvider<Folder>());
|
159 |
} |
160 |
fetchSharedFiles(username, userDataProviderMap.get(username)); |
161 |
} |
162 |
} |
163 |
}); |
164 |
app.addSelectionModel(selectionModel3); |
165 |
return new DefaultNodeInfo<String>(userLevelDataProvider, new TextCell(new SafeHtmlRenderer<String>() { |
166 |
|
167 |
@Override
|
168 |
public SafeHtml render(String object) { |
169 |
SafeHtmlBuilder builder = new SafeHtmlBuilder();
|
170 |
render(object, builder); |
171 |
return builder.toSafeHtml();
|
172 |
} |
173 |
|
174 |
@Override
|
175 |
public void render(String object, SafeHtmlBuilder builder) { |
176 |
String html = AbstractImagePrototype.create(OtherSharedTreeView.images.user()).getHTML();
|
177 |
builder.appendHtmlConstant(html); |
178 |
builder.append(OtherSharedTreeView.Templates.INSTANCE.nameSpan(object)); |
179 |
} |
180 |
}), selectionModel3, null);
|
181 |
} |
182 |
String username = (String) value; |
183 |
if (userDataProviderMap.get(username) == null) { |
184 |
userDataProviderMap.put(username, new ListDataProvider<Folder>());
|
185 |
} |
186 |
final ListDataProvider<Folder> dataProvider = userDataProviderMap.get(username);
|
187 |
fetchSharedContainers(username, dataProvider); |
188 |
return new DefaultNodeInfo<Folder>(dataProvider, folderCell, selectionModel, null); |
189 |
} |
190 |
else {
|
191 |
final Folder f = (Folder) value;
|
192 |
if (dataProviderMap.get(f) == null) { |
193 |
dataProviderMap.put(f, new ListDataProvider<Folder>());
|
194 |
} |
195 |
final ListDataProvider<Folder> dataProvider = dataProviderMap.get(f);
|
196 |
fetchFolder(f, dataProvider, false);
|
197 |
return new DefaultNodeInfo<Folder>(dataProvider, folderCell, selectionModel, null); |
198 |
} |
199 |
} |
200 |
|
201 |
private void fetchSharingUsers() { |
202 |
GetRequest<SharingUsers> getSharingUsers = new GetRequest<SharingUsers>(SharingUsers.class, app.getApiPath(), "", "?format=json") { |
203 |
@Override
|
204 |
public void onSuccess(final SharingUsers _result) { |
205 |
userLevelDataProvider.getList().clear(); |
206 |
userLevelDataProvider.getList().addAll(_result.getUsers()); |
207 |
for (String name : _result.getUsers()) { |
208 |
sharedFiles.put(name, new HashSet<File>()); |
209 |
} |
210 |
} |
211 |
|
212 |
@Override
|
213 |
public void onError(Throwable t) { |
214 |
GWT.log("Error getting folder", t);
|
215 |
if (t instanceof RestException) |
216 |
app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
|
217 |
else
|
218 |
app.displayError("System error fetching folder: " + t.getMessage());
|
219 |
} |
220 |
|
221 |
@Override
|
222 |
protected void onUnauthorized(Response response) { |
223 |
app.sessionExpired(); |
224 |
} |
225 |
}; |
226 |
getSharingUsers.setHeader("X-Auth-Token", app.getToken());
|
227 |
Scheduler.get().scheduleDeferred(getSharingUsers); |
228 |
} |
229 |
|
230 |
@Override
|
231 |
public boolean isLeaf(Object o) { |
232 |
if (o instanceof Folder) { |
233 |
Folder f = (Folder) o; |
234 |
return f.getSubfolders().isEmpty();
|
235 |
} |
236 |
return false; |
237 |
} |
238 |
|
239 |
private void fetchSharedContainers(final String username, final ListDataProvider<Folder> dataProvider) { |
240 |
GetRequest<AccountResource> getUserSharedContainers = new GetRequest<AccountResource>(AccountResource.class, app.getApiPath(), username, "?format=json") { |
241 |
|
242 |
@Override
|
243 |
public void onSuccess(AccountResource _result) { |
244 |
final ListDataProvider<Folder> tempProvider = new ListDataProvider<Folder>(); |
245 |
Iterator<Folder> iter = _result.getContainers().iterator();
|
246 |
fetchFolder(username, iter, tempProvider, new Command() {
|
247 |
|
248 |
@Override
|
249 |
public void execute() { |
250 |
dataProvider.getList().clear(); |
251 |
dataProvider.getList().addAll(tempProvider.getList()); |
252 |
} |
253 |
}); |
254 |
} |
255 |
|
256 |
@Override
|
257 |
public void onError(Throwable t) { |
258 |
GWT.log("Error getting account", t);
|
259 |
if (t instanceof RestException) |
260 |
app.displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
|
261 |
else
|
262 |
app.displayError("System error fetching user data: " + t.getMessage());
|
263 |
} |
264 |
|
265 |
@Override
|
266 |
protected void onUnauthorized(Response response) { |
267 |
app.sessionExpired(); |
268 |
} |
269 |
}; |
270 |
getUserSharedContainers.setHeader("X-Auth-Token", app.getToken());
|
271 |
Scheduler.get().scheduleDeferred(getUserSharedContainers); |
272 |
} |
273 |
|
274 |
protected void fetchSharedFiles(final String username, final ListDataProvider<Folder> dataProvider) { |
275 |
GetRequest<AccountResource> getUserSharedContainers = new GetRequest<AccountResource>(AccountResource.class, app.getApiPath(), username, "?format=json") { |
276 |
|
277 |
@Override
|
278 |
public void onSuccess(AccountResource _result) { |
279 |
final ListDataProvider<Folder> tempProvider = new ListDataProvider<Folder>(); |
280 |
Iterator<Folder> iter = _result.getContainers().iterator();
|
281 |
fetchFolder(username, iter, tempProvider, new Command() {
|
282 |
|
283 |
@Override
|
284 |
public void execute() { |
285 |
dataProvider.getList().clear(); |
286 |
dataProvider.getList().addAll(tempProvider.getList()); |
287 |
app.showFiles(sharedFiles.get(username)); |
288 |
} |
289 |
}); |
290 |
} |
291 |
|
292 |
@Override
|
293 |
public void onError(Throwable t) { |
294 |
GWT.log("Error getting account", t);
|
295 |
if (t instanceof RestException) |
296 |
app.displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
|
297 |
else
|
298 |
app.displayError("System error fetching user data: " + t.getMessage());
|
299 |
} |
300 |
|
301 |
@Override
|
302 |
protected void onUnauthorized(Response response) { |
303 |
app.sessionExpired(); |
304 |
} |
305 |
}; |
306 |
getUserSharedContainers.setHeader("X-Auth-Token", app.getToken());
|
307 |
Scheduler.get().scheduleDeferred(getUserSharedContainers); |
308 |
} |
309 |
|
310 |
protected void fetchFolder(final String username, final Iterator<Folder> iter, final ListDataProvider<Folder> dataProvider, final Command callback) { |
311 |
if (iter.hasNext()) {
|
312 |
final Folder f = iter.next();
|
313 |
|
314 |
String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix(); |
315 |
GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), username, path, f) {
|
316 |
@Override
|
317 |
public void onSuccess(Folder _result) { |
318 |
if (!_result.isShared()) {
|
319 |
for (File file : _result.getFiles()) { |
320 |
if (file.isShared())
|
321 |
sharedFiles.get(username).add(file); |
322 |
} |
323 |
Iterator<Folder> iter2 = _result.getSubfolders().iterator();
|
324 |
fetchFolder(username, iter2, dataProvider, new Command() {
|
325 |
|
326 |
@Override
|
327 |
public void execute() { |
328 |
fetchFolder(username, iter, dataProvider, callback); |
329 |
} |
330 |
}); |
331 |
} |
332 |
else {
|
333 |
dataProvider.getList().add(_result); |
334 |
fetchFolder(username, iter, dataProvider, callback); |
335 |
} |
336 |
} |
337 |
|
338 |
@Override
|
339 |
public void onError(Throwable t) { |
340 |
GWT.log("Error getting folder", t);
|
341 |
if (t instanceof RestException) |
342 |
app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
|
343 |
else
|
344 |
app.displayError("System error fetching folder: " + t.getMessage());
|
345 |
} |
346 |
|
347 |
@Override
|
348 |
protected void onUnauthorized(Response response) { |
349 |
app.sessionExpired(); |
350 |
} |
351 |
}; |
352 |
getFolder.setHeader("X-Auth-Token", app.getToken());
|
353 |
Scheduler.get().scheduleDeferred(getFolder); |
354 |
} |
355 |
else if (callback != null) |
356 |
callback.execute(); |
357 |
} |
358 |
|
359 |
public Folder getSelection() {
|
360 |
return selectionModel.getSelectedObject();
|
361 |
} |
362 |
|
363 |
public void updateFolder(Folder folder, boolean showfiles) { |
364 |
if (dataProviderMap.get(folder) == null) { |
365 |
dataProviderMap.put(folder, new ListDataProvider<Folder>());
|
366 |
} |
367 |
final ListDataProvider<Folder> dataProvider = dataProviderMap.get(folder);
|
368 |
fetchFolder(folder, dataProvider, showfiles); |
369 |
} |
370 |
|
371 |
public void fetchFolder(final Folder f, final ListDataProvider<Folder> dataProvider, final boolean showfiles) { |
372 |
String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix(); |
373 |
GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), path, f) {
|
374 |
@Override
|
375 |
public void onSuccess(final Folder _result) { |
376 |
if (showfiles)
|
377 |
app.showFiles(_result); |
378 |
Iterator<Folder> iter = _result.getSubfolders().iterator();
|
379 |
fetchFolder(_result.getOwner(), iter, dataProvider, new Command() {
|
380 |
@Override
|
381 |
public void execute() { |
382 |
dataProvider.getList().clear(); |
383 |
dataProvider.getList().addAll(_result.getSubfolders()); |
384 |
app.getOtherSharedTreeView().updateChildren(f); |
385 |
} |
386 |
}); |
387 |
} |
388 |
|
389 |
@Override
|
390 |
public void onError(Throwable t) { |
391 |
GWT.log("Error getting folder", t);
|
392 |
if (t instanceof RestException) |
393 |
app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
|
394 |
else
|
395 |
app.displayError("System error fetching folder: " + t.getMessage());
|
396 |
} |
397 |
|
398 |
@Override
|
399 |
protected void onUnauthorized(Response response) { |
400 |
app.sessionExpired(); |
401 |
} |
402 |
}; |
403 |
getFolder.setHeader("X-Auth-Token", app.getToken());
|
404 |
Scheduler.get().scheduleDeferred(getFolder); |
405 |
} |
406 |
} |