2 * Copyright 2011-2012 GRNET S.A. All rights reserved.
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4 * Redistribution and use in source and binary forms, with or
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5 * without modification, are permitted provided that the following
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6 * conditions are met:
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8 * 1. Redistributions of source code must retain the above
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9 * copyright notice, this list of conditions and the following
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12 * 2. Redistributions in binary form must reproduce the above
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13 * copyright notice, this list of conditions and the following
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14 * disclaimer in the documentation and/or other materials
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15 * provided with the distribution.
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17 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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28 * POSSIBILITY OF SUCH DAMAGE.
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30 * The views and conclusions contained in the software and
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31 * documentation are those of the authors and should not be
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32 * interpreted as representing official policies, either expressed
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33 * or implied, of GRNET S.A.
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35 package gr.grnet.pithos.web.client;
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37 import gr.grnet.pithos.web.client.foldertree.File;
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38 import gr.grnet.pithos.web.client.foldertree.FileVersions;
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39 import gr.grnet.pithos.web.client.foldertree.Version;
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40 import gr.grnet.pithos.web.client.rest.GetRequest;
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41 import gr.grnet.pithos.web.client.rest.RestException;
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43 import java.util.List;
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45 import com.google.gwt.core.client.GWT;
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46 import com.google.gwt.core.client.Scheduler;
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47 import com.google.gwt.event.dom.client.ClickEvent;
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48 import com.google.gwt.event.dom.client.ClickHandler;
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49 import com.google.gwt.http.client.Response;
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50 import com.google.gwt.resources.client.ImageResource;
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51 import com.google.gwt.user.client.Command;
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52 import com.google.gwt.user.client.ui.Anchor;
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53 import com.google.gwt.user.client.ui.Button;
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54 import com.google.gwt.user.client.ui.FocusPanel;
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55 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
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56 import com.google.gwt.user.client.ui.VerticalPanel;
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59 * The 'File properties' dialog box implementation.
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62 public class FileVersionsDialog extends AbstractPropertiesDialog {
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65 * An image bundle for this widgets images.
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67 public interface Images extends MessagePanel.Images {
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69 @Source("gr/grnet/pithos/resources/edit_user.png")
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70 ImageResource permUser();
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72 @Source("gr/grnet/pithos/resources/groups22.png")
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73 ImageResource permGroup();
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75 @Source("gr/grnet/pithos/resources/editdelete.png")
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76 ImageResource delete();
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78 @Source("gr/grnet/pithos/resources/db_update.png")
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79 ImageResource restore();
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81 @Source("gr/grnet/pithos/resources/folder_inbox.png")
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82 ImageResource download();
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87 Images images = GWT.create(Images.class);
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90 * The widget's constructor.
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92 public FileVersionsDialog(Pithos _app, File _file) {
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96 Anchor close = new Anchor("close");
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97 close.addStyleName("close");
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98 close.addClickHandler(new ClickHandler() {
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101 public void onClick(ClickEvent event) {
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105 // Set the dialog's caption.
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106 setText("File versions");
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107 setGlassEnabled(true);
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108 setStyleName("pithos-DialogBox");
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110 // Outer contains inner and buttons.
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111 final VerticalPanel outer = new VerticalPanel();
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113 final FocusPanel focusPanel = new FocusPanel(outer);
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114 // Inner contains generalPanel and permPanel.
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115 inner = new VerticalPanel();
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116 inner.addStyleName("inner");
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120 // Create the 'OK' button, along with a listener that hides the dialog
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121 // when the button is clicked.
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122 final Button ok = new Button("OK", new ClickHandler() {
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124 public void onClick(ClickEvent event) {
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129 ok.addStyleName("button");
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132 outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
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134 focusPanel.setFocus(true);
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143 public void center() {
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147 protected void fetchVersions() {
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148 String path = file.getUri() + "?format=json&version=list";
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149 GetRequest<FileVersions> getVersions = new GetRequest<FileVersions>(FileVersions.class, app.getApiPath(), file.getOwnerID(), path) {
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152 public void onSuccess(FileVersions _result) {
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153 inner.add(createVersionPanel(_result.getVersions()));
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158 public void onError(Throwable t) {
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161 if (t instanceof RestException) {
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162 app.displayError("Unable to fetch versions: " + ((RestException) t).getHttpStatusText());
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165 app.displayError("System error unable to fetch versions: "+t.getMessage());
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169 protected void onUnauthorized(Response response) {
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170 app.sessionExpired();
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173 getVersions.setHeader("X-Auth-Token", app.getUserToken());
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174 Scheduler.get().scheduleDeferred(getVersions);
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177 VerticalPanel createVersionPanel(List<Version> versions) {
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178 VerticalPanel versionPanel = new VerticalPanel();
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179 VersionsList verList = new VersionsList(app, this, images, file, versions);
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180 versionPanel.add(verList);
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181 return versionPanel;
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185 * Accepts any change and updates the file
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190 protected boolean accept() {
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191 app.updateFolder(file.getParent(), true, new Command() {
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194 public void execute() {
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195 if (file.isSharedOrPublished())
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196 app.updateMySharedRoot();
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