2 * Copyright 2008, 2009 Electronic Business Systems Ltd.
4 * This file is part of GSS.
6 * GSS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * GSS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GSS. If not, see <http://www.gnu.org/licenses/>.
19 package gr.ebs.gss.client.commands;
21 import gr.ebs.gss.client.FileMenu;
22 import gr.ebs.gss.client.FilePropertiesDialog;
23 import gr.ebs.gss.client.FilesPropertiesDialog;
24 import gr.ebs.gss.client.FolderPropertiesDialog;
25 import gr.ebs.gss.client.GSS;
26 import gr.ebs.gss.client.FileMenu.Images;
27 import gr.ebs.gss.client.rest.GetCommand;
28 import gr.ebs.gss.client.rest.HeadCommand;
29 import gr.ebs.gss.client.rest.MultipleGetCommand;
30 import gr.ebs.gss.client.rest.MultipleHeadCommand;
31 import gr.ebs.gss.client.rest.RestException;
32 import gr.ebs.gss.client.rest.MultipleGetCommand.Cached;
33 import gr.ebs.gss.client.rest.resource.FileResource;
34 import gr.ebs.gss.client.rest.resource.FolderResource;
35 import gr.ebs.gss.client.rest.resource.GroupResource;
36 import gr.ebs.gss.client.rest.resource.GroupsResource;
38 import java.util.ArrayList;
39 import java.util.List;
41 import com.google.gwt.core.client.GWT;
42 import com.google.gwt.user.client.Command;
43 import com.google.gwt.user.client.DeferredCommand;
44 import com.google.gwt.user.client.IncrementalCommand;
45 import com.google.gwt.user.client.ui.PopupPanel;
48 * The command that displays the appropriate Properties dialog, according to the
49 * selected object in the application.
53 public class PropertiesCommand implements Command {
55 final FileMenu.Images newImages;
57 private PopupPanel containerPanel;
59 private List<GroupResource> groups = null;
61 private List<FileResource> versions = null;
63 private int tabToShow = 0;
65 private String userName;
67 private boolean isFile = false;
70 * @param _containerPanel
71 * @param _newImages the images of all the possible delete dialogs
72 * @param _tab the tab to switch to
74 public PropertiesCommand(PopupPanel _containerPanel, final FileMenu.Images _newImages, int _tab) {
75 containerPanel = _containerPanel;
76 newImages = _newImages;
81 public void execute() {
82 containerPanel.hide();
83 if (GSS.get().getCurrentSelection() instanceof FolderResource) {
84 GetCommand<FolderResource> eg = new GetCommand<FolderResource>(FolderResource.class, ((FolderResource) GSS.get().getCurrentSelection()).getUri(),((FolderResource) GSS.get().getCurrentSelection())) {
87 public void onComplete() {
88 GSS.get().setCurrentSelection(getResult());
93 public void onError(Throwable t) {
98 DeferredCommand.addCommand(eg);
100 else if (GSS.get().getCurrentSelection() instanceof FileResource) {
101 final String path = ((FileResource) GSS.get().getCurrentSelection()).getUri();
102 // Needed because firefox caches head requests.
103 HeadCommand<FileResource> eg = new HeadCommand<FileResource>(FileResource.class, path+"?"+Math.random(), null ) {
106 public void onComplete() {
107 FileResource res = getResult();
108 GSS.get().setCurrentSelection(res);
113 public void onError(Throwable t) {
114 if(t instanceof RestException)
115 GSS.get().displayError("Unable to retrieve file details:"+((RestException)t).getHttpStatusText());
119 DeferredCommand.addCommand(eg);
121 else if (GSS.get().getCurrentSelection() instanceof List) {
122 List<String> paths = new ArrayList<String>();
123 for (FileResource fr : (List<FileResource>) GSS.get().getCurrentSelection())
124 paths.add(fr.getUri()+"?"+Math.random());
125 Cached[] cached = new Cached[paths.size()];
127 for (FileResource fr : (List<FileResource>) GSS.get().getCurrentSelection()){
128 Cached c = new Cached();
129 c.uri=fr.getUri()+"?"+Math.random();
134 MultipleHeadCommand<FileResource> gv = new MultipleHeadCommand<FileResource>(FileResource.class, paths.toArray(new String[] {}),cached) {
137 public void onComplete() {
138 List<FileResource> res = getResult();
139 GSS.get().setCurrentSelection(res);
140 FilesPropertiesDialog dlg = new FilesPropertiesDialog(res);
141 dlg.selectTab(tabToShow);
146 public void onError(Throwable t) {
148 GSS.get().displayError("Unable to fetch files details");
152 public void onError(String p, Throwable throwable) {
153 GWT.log("Path:" + p, throwable);
156 DeferredCommand.addCommand(gv);
160 private void initialize(){
164 DeferredCommand.addCommand(new IncrementalCommand() {
167 public boolean execute() {
168 boolean res = canContinue();
170 displayProperties(newImages, GSS.get().findUserFullName(userName));
180 private boolean canContinue() {
181 String userFullNameFromMap = GSS.get().findUserFullName(userName);
182 if(groups == null || versions == null || isFile && userFullNameFromMap == null)
188 * Display the appropriate Properties dialog, according to the selected
189 * object in the application.
191 * @param propImages the images of all the possible properties dialogs
193 void displayProperties(final Images propImages, final String _userName) {
194 if (GSS.get().getCurrentSelection() instanceof FolderResource) {
195 FolderPropertiesDialog dlg = new FolderPropertiesDialog(propImages, false, groups);
196 dlg.selectTab(tabToShow);
198 } else if (GSS.get().getCurrentSelection() instanceof FileResource) {
199 FilePropertiesDialog dlg = new FilePropertiesDialog(propImages, groups, versions, _userName);
200 dlg.selectTab(tabToShow);
205 private void getGroups() {
206 GetCommand<GroupsResource> gg = new GetCommand<GroupsResource>(GroupsResource.class, GSS.get().getCurrentUserResource().getGroupsPath(), null) {
209 public void onComplete() {
210 GroupsResource res = getResult();
211 MultipleGetCommand<GroupResource> ga = new MultipleGetCommand<GroupResource>(GroupResource.class, res.getGroupPaths().toArray(new String[] {}), null) {
214 public void onComplete() {
215 List<GroupResource> groupList = getResult();
220 public void onError(Throwable t) {
222 GSS.get().displayError("Unable to fetch groups");
223 groups = new ArrayList<GroupResource>();
227 public void onError(String p, Throwable throwable) {
228 GWT.log("Path:" + p, throwable);
231 DeferredCommand.addCommand(ga);
235 public void onError(Throwable t) {
237 GSS.get().displayError("Unable to fetch groups");
238 groups = new ArrayList<GroupResource>();
241 DeferredCommand.addCommand(gg);
244 private void getVersions() {
245 if (GSS.get().getCurrentSelection() instanceof FileResource) {
246 FileResource afile = (FileResource) GSS.get().getCurrentSelection();
247 GWT.log("File is versioned:" + afile.isVersioned(), null);
248 if (afile.isVersioned()) {
249 List<String> paths = new ArrayList<String>();
250 for (int i = 1; i <= afile.getVersion(); i++)
251 paths.add(afile.getUri() + "?version=" + i);
252 MultipleHeadCommand<FileResource> gv = new MultipleHeadCommand<FileResource>(FileResource.class, paths.toArray(new String[] {}), null) {
255 public void onComplete() {
256 versions = getResult();
260 public void onError(Throwable t) {
262 GSS.get().displayError("Unable to fetch versions");
263 versions = new ArrayList<FileResource>();
267 public void onError(String p, Throwable throwable) {
268 GWT.log("Path:" + p, throwable);
271 DeferredCommand.addCommand(gv);
273 versions = new ArrayList<FileResource>();
275 versions = new ArrayList<FileResource>();
278 private void getOwnerFullName() {
279 if(GSS.get().getCurrentSelection() instanceof FileResource){
281 FileResource fileResource = (FileResource) GSS.get().getCurrentSelection();
282 userName = fileResource.getOwner();
283 GSS.get().getUserFullName(userName);