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;
21 import gr.ebs.gss.client.FilePropertiesDialog.Images;
22 import gr.ebs.gss.client.rest.DeleteCommand;
23 import gr.ebs.gss.client.rest.PostCommand;
24 import gr.ebs.gss.client.rest.RestCommand;
25 import gr.ebs.gss.client.rest.RestException;
26 import gr.ebs.gss.client.rest.resource.FileResource;
28 import java.util.Collections;
29 import java.util.Comparator;
30 import java.util.Date;
31 import java.util.List;
33 import com.google.gwt.core.client.GWT;
34 import com.google.gwt.http.client.URL;
35 import com.google.gwt.i18n.client.DateTimeFormat;
36 import com.google.gwt.user.client.DeferredCommand;
37 import com.google.gwt.user.client.Window;
38 import com.google.gwt.user.client.ui.ClickListener;
39 import com.google.gwt.user.client.ui.Composite;
40 import com.google.gwt.user.client.ui.FlexTable;
41 import com.google.gwt.user.client.ui.HTML;
42 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
43 import com.google.gwt.user.client.ui.VerticalPanel;
44 import com.google.gwt.user.client.ui.Widget;
49 public class VersionsList extends Composite {
53 int permissionCount = -1;
55 List<FileResource> versions = null;
59 final VerticalPanel permPanel = new VerticalPanel();
61 final FlexTable permTable = new FlexTable();
63 FileResource toRemove = null;
65 FilePropertiesDialog container;
67 public VersionsList(FilePropertiesDialog aContainer, final Images theImages, List<FileResource> theVersions) {
69 container = aContainer;
70 versions = theVersions;
71 Collections.sort(theVersions, new Comparator<FileResource>(){
73 public int compare(FileResource o1, FileResource o2) {
74 return o1.getVersion().compareTo(o2.getVersion());
78 permTable.setText(0, 0, "Version");
79 permTable.setText(0, 1, "Created");
80 permTable.setText(0, 2, "Modified");
81 permTable.setText(0, 3, "Size");
82 permTable.setText(0, 4, "");
83 permTable.setText(0, 5, "");
84 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
85 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
86 permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
87 permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
88 permTable.getFlexCellFormatter().setColSpan(0, 1, 2);
89 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_CENTER);
90 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 1, HasHorizontalAlignment.ALIGN_CENTER);
91 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 2, HasHorizontalAlignment.ALIGN_CENTER);
92 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 3, HasHorizontalAlignment.ALIGN_CENTER);
93 permPanel.add(permTable);
94 permPanel.addStyleName("gwt-TabPanelBottom");
95 permTable.addStyleName("gss-permList");
96 initWidget(permPanel);
100 public void updateTable() {
102 if (toRemove != null) {
103 versions.remove(toRemove);
106 for (final FileResource dto : versions) {
107 HTML restoreVersion = new HTML("<a href='#' class='hidden-link info'><span>"+images.restore().getHTML()+"</span><div>Restore this Version</div></a>");
108 restoreVersion.addClickListener( new ClickListener() {
110 public void onClick(Widget sender) {
115 permTable.setHTML(i, 0, "<span>" + dto.getVersion() + "</span>");
116 permTable.setHTML(i, 1, "<span>" + formatDate(dto.getCreationDate()) + "</span>");
117 permTable.setHTML(i, 2, "<span>" + formatDate(dto.getModificationDate()) + "</span>");
118 permTable.setHTML(i, 3, "<span>" + dto.getFileSizeAsString() + "</span>");
119 HTML downloadHtml = new HTML("<a class='hidden-link info' href='#'><span>"+images.download().getHTML()+"</span><div>View this Version</div></a>");
120 downloadHtml.addClickListener(new ClickListener(){
122 public void onClick(Widget arg0) {
124 String dateString = RestCommand.getDate();
125 String resource = dto.getUri().substring(app.getApiPath().length()-1, dto.getUri().length());
126 String sig = app.getCurrentUserResource().getUsername()+" "+RestCommand.calculateSig("GET", dateString, resource, RestCommand.base64decode(app.getToken()));
127 String fileUrl = dto.getUri() + "&Authorization=" + URL.encodeComponent(sig) + "&Date="+URL.encodeComponent(dateString);
128 Window.open(fileUrl, "_BLANK", "");
132 GWT.log("images:"+images.download().getHTML(), null);
133 permTable.setWidget(i, 4, downloadHtml);
134 permTable.setWidget(i, 5, restoreVersion);
135 permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
136 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_CENTER);
137 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
138 permTable.getFlexCellFormatter().setColSpan(i, 1, 2);
139 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
140 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
143 for (; i < permTable.getRowCount(); i++)
144 permTable.removeRow(i);
148 void removeVersion(final FileResource version) {
149 DeleteCommand df = new DeleteCommand(version.getUri()){
152 public void onComplete() {
155 GSS.get().getFileList().updateFileCache(false, true /*clear selection*/);
159 public void onError(Throwable t) {
161 if(t instanceof RestException){
162 int statusCode = ((RestException)t).getHttpStatusCode();
163 if(statusCode == 405)
164 GSS.get().displayError("You don't have the necessary permissions");
165 else if(statusCode == 404)
166 GSS.get().displayError("Versions does not exist");
168 GSS.get().displayError("Unable to remove version:"+((RestException)t).getHttpStatusText());
171 GSS.get().displayError("System error removing version:"+t.getMessage());
174 DeferredCommand.addCommand(df);
178 void restoreVersion(final FileResource version) {
179 FileResource selectedFile = (FileResource) GSS.get().getCurrentSelection();
180 PostCommand ep = new PostCommand(selectedFile.getUri()+"?restoreVersion="+version.getVersion(),"",200){
184 public void onComplete() {
186 GSS.get().getFileList().updateFileCache(true, true /*clear selection*/);
190 public void onError(Throwable t) {
192 if(t instanceof RestException)
193 GSS.get().displayError("Unable to restore version:"+((RestException)t).getHttpStatusText());
195 GSS.get().displayError("System error restoring version:"+t.getMessage());
199 DeferredCommand.addCommand(ep);
202 private String formatDate(Date date){
203 DateTimeFormat format = DateTimeFormat.getFormat("dd/MM/yyyy : HH:mm");
204 return format.format(date);