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
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.
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.
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.
35 package gr.grnet.pithos.web.client;
37 import gr.grnet.pithos.web.client.FileVersionsDialog.Images;
38 import gr.grnet.pithos.web.client.foldertree.File;
39 import gr.grnet.pithos.web.client.foldertree.Version;
40 import gr.grnet.pithos.web.client.rest.PostRequest;
41 import gr.grnet.pithos.web.client.rest.RestException;
43 import java.util.List;
45 import com.google.gwt.core.client.Scheduler;
46 import com.google.gwt.event.dom.client.ClickEvent;
47 import com.google.gwt.event.dom.client.ClickHandler;
48 import com.google.gwt.http.client.Response;
49 import com.google.gwt.http.client.URL;
50 import com.google.gwt.i18n.client.DateTimeFormat;
51 import com.google.gwt.user.client.Window;
52 import com.google.gwt.user.client.ui.AbstractImagePrototype;
53 import com.google.gwt.user.client.ui.Composite;
54 import com.google.gwt.user.client.ui.CustomScrollPanel;
55 import com.google.gwt.user.client.ui.FlexTable;
56 import com.google.gwt.user.client.ui.HTML;
57 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
59 public class VersionsList extends Composite {
65 private List<Version> versions = null;
67 private Images images;
69 private CustomScrollPanel permPanel = new CustomScrollPanel();
71 private FlexTable permTable = new FlexTable();
73 FileVersionsDialog container;
75 public VersionsList(Pithos _app, FileVersionsDialog aContainer, final Images theImages, File _file, List<Version> theVersions) {
78 container = aContainer;
80 versions = theVersions;
81 permTable.setText(0, 0, "Version");
82 permTable.setText(0, 1, "Date");
83 permTable.setText(0, 2, "");
84 permTable.setText(0, 3, "");
85 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
86 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
87 permTable.getFlexCellFormatter().setColSpan(0, 1, 2);
88 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_CENTER);
89 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 1, HasHorizontalAlignment.ALIGN_CENTER);
90 permPanel.add(permTable);
91 permPanel.addStyleName("pithos-versionList");
92 permPanel.setSize("260px", "150px");
93 permTable.addStyleName("pithos-permList");
94 initWidget(permPanel);
98 public void showVersionsTable(){
99 DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
101 for (final Version v : versions) {
102 HTML restoreVersion = new HTML("<a href='#' class='hidden-link info'><span>" + AbstractImagePrototype.create(images.restore()).getHTML() + "</span><div>Restore this Version</div></a>");
103 restoreVersion.addClickHandler(new ClickHandler() {
105 public void onClick(ClickEvent event) {
106 restoreVersion(v.getVersion());
110 permTable.setHTML(i, 0, "<span>" + v.getVersion() + "</span>");
111 if (v.getDate() != null)
112 permTable.setHTML(i, 1, "<span>" + formatter.format(v.getDate()) + "</span>");
114 permTable.setHTML(i, 1, "<span></span>");
115 HTML downloadHtml = new HTML("<a class='hidden-link info' href='#'><span>" + AbstractImagePrototype.create(images.download()).getHTML()+"</span><div>View this Version</div></a>");
116 downloadHtml.addClickHandler(new ClickHandler() {
118 public void onClick(ClickEvent event) {
119 String fileUrl = app.getApiPath() + file.getOwnerID() + file.getUri() + "?version=" + v.getVersion();
120 Window.open(fileUrl, "_BLANK", "");
123 permTable.setWidget(i, 2, downloadHtml);
124 permTable.setWidget(i, 3, restoreVersion);
125 permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
126 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_CENTER);
127 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
128 permTable.getFlexCellFormatter().setColSpan(i, 1, 2);
133 void restoreVersion(int version) {
134 String path = file.getUri() + "?update=";
135 PostRequest restoreVersion = new PostRequest(app.getApiPath(), file.getOwnerID(), path) {
138 public void onSuccess(Resource result) {
143 public void onError(Throwable t) {
145 if (t instanceof RestException) {
146 if (((RestException) t).getHttpStatusCode() == Response.SC_NO_CONTENT)
149 app.displayError("Unable to restore version: " + ((RestException) t).getHttpStatusText());
152 app.displayError("System error unable to restore versions: "+t.getMessage());
156 protected void onUnauthorized(Response response) {
157 app.sessionExpired();
160 restoreVersion.setHeader("X-Auth-Token", app.getUserToken());
161 restoreVersion.setHeader("X-Source-Object", URL.encodePathSegment(file.getUri()));
162 restoreVersion.setHeader("X-Source-Version", String.valueOf(version));
163 restoreVersion.setHeader("Content-Range", "bytes 0-/*");
164 Scheduler.get().scheduleDeferred(restoreVersion);