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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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.Resource;
40 import gr.grnet.pithos.web.client.foldertree.Version;
41 import gr.grnet.pithos.web.client.rest.PostRequest;
42 import gr.grnet.pithos.web.client.rest.RestException;
44 import java.util.List;
46 import com.google.gwt.core.client.Scheduler;
47 import com.google.gwt.event.dom.client.ClickEvent;
48 import com.google.gwt.event.dom.client.ClickHandler;
49 import com.google.gwt.event.dom.client.ScrollHandler;
50 import com.google.gwt.event.shared.HandlerRegistration;
51 import com.google.gwt.http.client.Response;
52 import com.google.gwt.http.client.URL;
53 import com.google.gwt.i18n.client.DateTimeFormat;
54 import com.google.gwt.user.client.Window;
55 import com.google.gwt.user.client.ui.AbstractImagePrototype;
56 import com.google.gwt.user.client.ui.Composite;
57 import com.google.gwt.user.client.ui.CustomScrollPanel;
58 import com.google.gwt.user.client.ui.FlexTable;
59 import com.google.gwt.user.client.ui.HTML;
60 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
61 import com.google.gwt.user.client.ui.NativeVerticalScrollbar;
62 import com.google.gwt.user.client.ui.ScrollPanel;
63 import com.google.gwt.user.client.ui.VerticalPanel;
64 import com.google.gwt.user.client.ui.VerticalScrollbar;
65 import com.google.gwt.user.client.ui.Widget;
67 public class VersionsList extends Composite {
73 private List<Version> versions = null;
75 private Images images;
77 private CustomScrollPanel permPanel = new CustomScrollPanel();
79 private FlexTable permTable = new FlexTable();
81 FileVersionsDialog container;
83 public VersionsList(Pithos _app, FileVersionsDialog aContainer, final Images theImages, File _file, List<Version> theVersions) {
86 container = aContainer;
88 versions = theVersions;
89 permTable.setText(0, 0, "Version");
90 permTable.setText(0, 1, "Date");
91 permTable.setText(0, 2, "");
92 permTable.setText(0, 3, "");
93 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
94 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
95 permTable.getFlexCellFormatter().setColSpan(0, 1, 2);
96 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_CENTER);
97 permTable.getFlexCellFormatter().setHorizontalAlignment(0, 1, HasHorizontalAlignment.ALIGN_CENTER);
98 permPanel.add(permTable);
99 permPanel.addStyleName("pithos-versionList");
100 permPanel.setSize("260px", "150px");
101 permTable.addStyleName("pithos-permList");
102 initWidget(permPanel);
106 public void showVersionsTable(){
107 DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
109 for (final Version v : versions) {
110 HTML restoreVersion = new HTML("<a href='#' class='hidden-link info'><span>" + AbstractImagePrototype.create(images.restore()).getHTML() + "</span><div>Restore this Version</div></a>");
111 restoreVersion.addClickHandler(new ClickHandler() {
113 public void onClick(ClickEvent event) {
114 restoreVersion(v.getVersion());
118 permTable.setHTML(i, 0, "<span>" + v.getVersion() + "</span>");
119 if (v.getDate() != null)
120 permTable.setHTML(i, 1, "<span>" + formatter.format(v.getDate()) + "</span>");
122 permTable.setHTML(i, 1, "<span></span>");
123 HTML downloadHtml = new HTML("<a class='hidden-link info' href='#'><span>" + AbstractImagePrototype.create(images.download()).getHTML()+"</span><div>View this Version</div></a>");
124 downloadHtml.addClickHandler(new ClickHandler() {
126 public void onClick(ClickEvent event) {
127 String fileUrl = app.getApiPath() + file.getOwner() + file.getUri() + "?version=" + v.getVersion();
128 Window.open(fileUrl, "_BLANK", "");
131 permTable.setWidget(i, 2, downloadHtml);
132 permTable.setWidget(i, 3, restoreVersion);
133 permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
134 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_CENTER);
135 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
136 permTable.getFlexCellFormatter().setColSpan(i, 1, 2);
141 void restoreVersion(int version) {
142 String path = file.getUri() + "?update=";
143 PostRequest restoreVersion = new PostRequest(app.getApiPath(), file.getOwner(), path) {
146 public void onSuccess(Resource result) {
151 public void onError(Throwable t) {
153 if (t instanceof RestException) {
154 if (((RestException) t).getHttpStatusCode() == Response.SC_NO_CONTENT)
157 app.displayError("Unable to restore version: " + ((RestException) t).getHttpStatusText());
160 app.displayError("System error unable to restore versions: "+t.getMessage());
164 protected void onUnauthorized(Response response) {
165 app.sessionExpired();
168 restoreVersion.setHeader("X-Auth-Token", app.getToken());
169 restoreVersion.setHeader("X-Source-Object", URL.encodePathSegment(file.getUri()));
170 restoreVersion.setHeader("X-Source-Version", String.valueOf(version));
171 restoreVersion.setHeader("Content-Range", "bytes 0-/*");
172 Scheduler.get().scheduleDeferred(restoreVersion);