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.event.dom.client.ClickEvent;
35 import com.google.gwt.event.dom.client.ClickHandler;
36 import com.google.gwt.http.client.URL;
37 import com.google.gwt.i18n.client.DateTimeFormat;
38 import com.google.gwt.user.client.DeferredCommand;
39 import com.google.gwt.user.client.Window;
40 import com.google.gwt.user.client.ui.AbstractImagePrototype;
41 import com.google.gwt.user.client.ui.Composite;
42 import com.google.gwt.user.client.ui.FlexTable;
43 import com.google.gwt.user.client.ui.HTML;
44 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
45 import com.google.gwt.user.client.ui.VerticalPanel;
50 public class VersionsList extends Composite {
54 int permissionCount = -1;
56 List<FileResource> versions = null;
60 final VerticalPanel permPanel = new VerticalPanel();
62 final FlexTable permTable = new FlexTable();
64 FileResource toRemove = null;
66 FilePropertiesDialog container;
68 public VersionsList(FilePropertiesDialog aContainer, final Images theImages, List<FileResource> theVersions) {
70 container = aContainer;
71 versions = theVersions;
72 Collections.sort(theVersions, new Comparator<FileResource>(){
74 public int compare(FileResource o1, FileResource o2) {
75 return o1.getVersion().compareTo(o2.getVersion());
79 permTable.setText(0, 0, "Version");
80 permTable.setText(0, 1, "Created");
81 permTable.setText(0, 2, "Modified");
82 permTable.setText(0, 3, "Size");
83 permTable.setText(0, 4, "");
84 permTable.setText(0, 5, "");
85 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
86 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
87 permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
88 permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
89 permTable.getFlexCellFormatter().setColSpan(0, 1, 2);
90 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_CENTER);
91 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 1, HasHorizontalAlignment.ALIGN_CENTER);
92 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 2, HasHorizontalAlignment.ALIGN_CENTER);
93 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 3, HasHorizontalAlignment.ALIGN_CENTER);
94 permPanel.add(permTable);
95 permPanel.addStyleName("gwt-TabPanelBottom");
96 permTable.addStyleName("gss-permList");
97 initWidget(permPanel);
101 public void updateTable() {
103 if (toRemove != null) {
104 versions.remove(toRemove);
107 for (final FileResource dto : versions) {
108 HTML restoreVersion = new HTML("<a href='#' class='hidden-link info'><span>"+AbstractImagePrototype.create(images.restore()).getHTML()+"</span><div>Restore this Version</div></a>");
109 restoreVersion.addClickHandler( new ClickHandler() {
111 public void onClick(ClickEvent event) {
116 permTable.setHTML(i, 0, "<span>" + dto.getVersion() + "</span>");
117 permTable.setHTML(i, 1, "<span>" + formatDate(dto.getCreationDate()) + "</span>");
118 permTable.setHTML(i, 2, "<span>" + formatDate(dto.getModificationDate()) + "</span>");
119 permTable.setHTML(i, 3, "<span>" + dto.getFileSizeAsString() + "</span>");
120 HTML downloadHtml = new HTML("<a class='hidden-link info' href='#'><span>"+AbstractImagePrototype.create(images.download()).getHTML()+"</span><div>View this Version</div></a>");
121 downloadHtml.addClickHandler(new ClickHandler() {
123 public void onClick(ClickEvent event) {
125 String dateString = RestCommand.getDate();
126 String resource = dto.getUri().substring(app.getApiPath().length()-1, dto.getUri().length());
127 String sig = app.getCurrentUserResource().getUsername()+" "+RestCommand.calculateSig("GET", dateString, resource, RestCommand.base64decode(app.getToken()));
128 String fileUrl = dto.getUri() + "&Authorization=" + URL.encodeComponent(sig) + "&Date="+URL.encodeComponent(dateString);
129 Window.open(fileUrl, "_BLANK", "");
133 GWT.log("images:"+AbstractImagePrototype.create(images.download()).getHTML(), null);
134 permTable.setWidget(i, 4, downloadHtml);
135 permTable.setWidget(i, 5, restoreVersion);
136 permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
137 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_CENTER);
138 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
139 permTable.getFlexCellFormatter().setColSpan(i, 1, 2);
140 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
141 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
144 for (; i < permTable.getRowCount(); i++)
145 permTable.removeRow(i);
149 void removeVersion(final FileResource version) {
150 DeleteCommand df = new DeleteCommand(version.getUri()){
153 public void onComplete() {
156 GSS.get().getFileList().updateFileCache(false, true /*clear selection*/);
160 public void onError(Throwable t) {
162 if(t instanceof RestException){
163 int statusCode = ((RestException)t).getHttpStatusCode();
164 if(statusCode == 405)
165 GSS.get().displayError("You don't have the necessary permissions");
166 else if(statusCode == 404)
167 GSS.get().displayError("Versions does not exist");
169 GSS.get().displayError("Unable to remove version:"+((RestException)t).getHttpStatusText());
172 GSS.get().displayError("System error removing version:"+t.getMessage());
175 DeferredCommand.addCommand(df);
179 void restoreVersion(final FileResource version) {
180 FileResource selectedFile = (FileResource) GSS.get().getCurrentSelection();
181 PostCommand ep = new PostCommand(selectedFile.getUri()+"?restoreVersion="+version.getVersion(),"",200){
185 public void onComplete() {
187 GSS.get().getFileList().updateFileCache(true, true /*clear selection*/);
191 public void onError(Throwable t) {
193 if(t instanceof RestException)
194 GSS.get().displayError("Unable to restore version:"+((RestException)t).getHttpStatusText());
196 GSS.get().displayError("System error restoring version:"+t.getMessage());
200 DeferredCommand.addCommand(ep);
203 private String formatDate(Date date){
204 DateTimeFormat format = DateTimeFormat.getFormat("dd/MM/yyyy : HH:mm");
205 return format.format(date);