2 * Copyright 2011-2012 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
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13 * copyright notice, this list of conditions and the following
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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,
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23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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36 package gr.grnet.pithos.web.client.mysharedtree;
38 import gr.grnet.pithos.web.client.FolderContextMenu;
39 import gr.grnet.pithos.web.client.Pithos;
40 import gr.grnet.pithos.web.client.foldertree.AccountResource;
41 import gr.grnet.pithos.web.client.foldertree.File;
42 import gr.grnet.pithos.web.client.foldertree.Folder;
43 import gr.grnet.pithos.web.client.mysharedtree.MysharedTreeView.Templates;
44 import gr.grnet.pithos.web.client.rest.GetRequest;
45 import gr.grnet.pithos.web.client.rest.RestException;
47 import java.util.Iterator;
49 import com.google.gwt.cell.client.AbstractCell;
50 import com.google.gwt.cell.client.Cell;
51 import com.google.gwt.cell.client.ValueUpdater;
52 import com.google.gwt.core.client.GWT;
53 import com.google.gwt.core.client.Scheduler;
54 import com.google.gwt.event.dom.client.ContextMenuEvent;
55 import com.google.gwt.http.client.Response;
56 import com.google.gwt.http.client.URL;
57 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
58 import com.google.gwt.user.client.Command;
59 import com.google.gwt.user.client.ui.AbstractImagePrototype;
60 import com.google.gwt.view.client.ListDataProvider;
61 import com.google.gwt.view.client.SingleSelectionModel;
62 import com.google.gwt.view.client.TreeViewModel;
64 public class MysharedTreeViewModel implements TreeViewModel {
68 Folder dummy = new Folder("No files shared by me");
70 private Cell<Folder> folderCell = new AbstractCell<Folder>(ContextMenuEvent.getType().getName()) {
73 public void render(Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) {
74 if (!folder.equals(dummy)) {
75 String html = AbstractImagePrototype.create(MysharedTreeView.images.folderYellow()).getHTML();
76 safeHtmlBuilder.appendHtmlConstant(html).appendHtmlConstant(" ");
78 safeHtmlBuilder.append(Templates.INSTANCE.nameSpan(folder.getName()));
82 public void onBrowserEvent(Context context, com.google.gwt.dom.client.Element parent, final Folder folder, com.google.gwt.dom.client.NativeEvent event, ValueUpdater<Folder> valueUpdater) {
83 if (event.getType().equals(ContextMenuEvent.getType().getName())) {
84 final int x = event.getClientX();
85 final int y = event.getClientY();
86 MysharedTreeViewModel.this.selectionModel.setSelected(folder, true);
87 app.scheduleFolderHeadCommand(folder, new Command() {
90 public void execute() {
91 FolderContextMenu menu = new FolderContextMenu(app, MysharedTreeView.images, app.getSelectedTree(), folder);
92 menu.setPopupPosition(x, y);
100 protected ListDataProvider<Folder> firstLevelDataProvider = new ListDataProvider<Folder>();
102 protected SingleSelectionModel<Folder> selectionModel;
104 public MysharedTreeViewModel(Pithos _app, SingleSelectionModel<Folder> selectionModel) {
106 this.selectionModel = selectionModel;
110 public <T> NodeInfo<?> getNodeInfo(T value) {
112 fetchSharedContainers(null);
113 if (firstLevelDataProvider.getList().get(0).equals(dummy))
114 return new DefaultNodeInfo<Folder>(firstLevelDataProvider, folderCell, null, null);
115 return new DefaultNodeInfo<Folder>(firstLevelDataProvider, folderCell, selectionModel, null);
120 private void fetchSharedContainers(final Command callback) {
121 String path = "?format=json&shared=&public=";
122 GetRequest<AccountResource> getAccount = new GetRequest<AccountResource>(AccountResource.class, app.getApiPath(), app.getUserID(), path) {
124 public void onSuccess(final AccountResource _result) {
125 firstLevelDataProvider.getList().clear();
126 for (Folder c : _result.getContainers()) {
128 firstLevelDataProvider.getList().add(0, c); //Pithos is always first
129 else if (!c.isTrash())
130 firstLevelDataProvider.getList().add(c);
132 if (firstLevelDataProvider.getList().isEmpty())
133 firstLevelDataProvider.getList().add(dummy);
134 if (callback != null)
139 public void onError(Throwable t) {
140 GWT.log("Error getting account", t);
142 if (t instanceof RestException)
143 app.displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
145 app.displayError("System error fetching user data: " + t.getMessage());
149 protected void onUnauthorized(Response response) {
150 app.sessionExpired();
153 getAccount.setHeader("X-Auth-Token", app.getUserToken());
154 Scheduler.get().scheduleDeferred(getAccount);
158 public boolean isLeaf(Object o) {
160 return firstLevelDataProvider.getList().isEmpty();
164 private native void log(String msg) /*-{
165 $wnd.console.log(msg);
168 protected void fetchFolder(final Iterator<Folder> iter, final Command callback) {
169 if (iter.hasNext()) {
170 final Folder f = iter.next();
172 String path = "/" + f.getContainer() + "?format=json&shared=&public=&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix());
173 GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwnerID(), path, f) {
175 public void onSuccess(Folder _result) {
176 fetchFolder(iter, callback);
180 public void onError(Throwable t) {
181 GWT.log("Error getting folder", t);
183 if (t instanceof RestException)
184 app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
186 app.displayError("System error fetching folder: " + t.getMessage());
190 protected void onUnauthorized(Response response) {
191 app.sessionExpired();
194 getFolder.setHeader("X-Auth-Token", app.getUserToken());
195 Scheduler.get().scheduleDeferred(getFolder);
197 else if (callback != null)
201 public Folder getSelection() {
202 return selectionModel.getSelectedObject();
205 public void updateFolder(Folder folder, boolean showfiles, Command callback) {
206 fetchFolder(folder, showfiles, callback);
209 public void fetchFolder(final Folder f, final boolean showfiles, final Command callback) {
210 String path = "/" + f.getContainer() + "?format=json&shared=&public=" + URL.encodeQueryString(f.getPrefix());
211 GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwnerID(), path, f) {
213 public void onSuccess(final Folder _result) {
214 for (File file : _result.getFiles()) {
215 String name = file.getName();
216 if (name.lastIndexOf("/") != -1) {
217 file.setName(name.substring(name.lastIndexOf("/") + 1, name.length()));
222 app.showFiles(_result);
223 if (callback != null)
228 public void onError(Throwable t) {
229 GWT.log("Error getting folder", t);
231 if (t instanceof RestException)
232 app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
234 app.displayError("System error fetching folder: " + t.getMessage());
238 protected void onUnauthorized(Response response) {
239 app.sessionExpired();
242 getFolder.setHeader("X-Auth-Token", app.getUserToken());
243 Scheduler.get().scheduleDeferred(getFolder);
246 public void initialize(Command callback) {
247 fetchSharedContainers(callback);