code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/commands/ToTrashCommand.java

   1 /*
   2  * Copyright 2011-2012 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  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.
  16  *
  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.
  29  *
  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.
  34  */
  35 package gr.grnet.pithos.web.client.commands;
  36
  37 import gr.grnet.pithos.web.client.Const;
  38 import gr.grnet.pithos.web.client.Pithos;
  39 import gr.grnet.pithos.web.client.foldertree.File;
  40 import gr.grnet.pithos.web.client.foldertree.Folder;
  41 import gr.grnet.pithos.web.client.Resource;
  42 import gr.grnet.pithos.web.client.rest.PutRequest;
  43 import gr.grnet.pithos.web.client.rest.RestException;
  44
  45 import java.util.Iterator;
  46 import java.util.List;
  47
  48 import com.google.gwt.core.client.GWT;
  49 import com.google.gwt.core.client.Scheduler;
  50 import com.google.gwt.http.client.Response;
  51 import com.google.gwt.http.client.URL;
  52 import com.google.gwt.user.client.Command;
  53 import com.google.gwt.user.client.ui.PopupPanel;
  54
  55 /**
  56  *
  57  * Move file or folder to trash.
  58  *
  59  *
  60  */
  61 public class ToTrashCommand implements Command{
  62         private PopupPanel containerPanel;
  63         protected Pithos app;
  64         protected Object resource;
  65
  66         public ToTrashCommand(Pithos _app, PopupPanel _containerPanel, Object _resource){
  67                 containerPanel = _containerPanel;
  68         app = _app;
  69         resource = _resource;
  70         }
  71
  72         @Override
  73         public void execute() {
  74         if (containerPanel != null)
  75                 containerPanel.hide();
  76         if (resource instanceof List) {
  77             @SuppressWarnings("unchecked")
  78                         Iterator<File> iter = ((List<File>) resource).iterator();
  79             trashFiles(iter, new Command() {
  80                 @SuppressWarnings("unchecked")
  81                                 @Override
  82                 public void execute() {
  83                         Folder f = ((List<File>) resource).get(0).getParent();
  84                         if (app.isMySharedSelected())
  85                                 app.updateSharedFolder(f, true, new Command() {
  86
  87                                                         @Override
  88                                                         public void execute() {
  89                                                                 app.updateTrash(false, null);
  90                                                         }
  91                                                 });
  92                         else
  93                             app.updateFolder(f, true, new Command() {
  94
  95                                                         @Override
  96                                                         public void execute() {
  97                                                                 app.updateTrash(false, null);
  98                                                         }
  99                                                 }, true);
 100                 }
 101             });
 102         }
 103         else if (resource instanceof Folder) {
 104             final Folder toBeTrashed = (Folder) resource;
 105             trashFolder(toBeTrashed, new Command() {
 106                 @Override
 107                 public void execute() {
 108                     app.updateFolder(toBeTrashed.getParent(), true, new Command() {
 109
 110                                                 @Override
 111                                                 public void execute() {
 112                                                         app.updateTrash(false, null);
 113                                                 }
 114                                         }, true);
 115                 }
 116             });
 117
 118         }
 119         }
 120
 121     private void trashFolder(final Folder f, final Command callback) {
 122         String path = "/" + Const.TRASH_CONTAINER + "/" + f.getPrefix();
 123         app.copyFolder(f, app.getUserID(), path, true, callback);
 124     }
 125
 126     protected void trashFiles(final Iterator<File> iter, final Command callback) {
 127         if (iter.hasNext()) {
 128             File file = iter.next();
 129             String path = "/" + Const.TRASH_CONTAINER + "/" + file.getPath();
 130             PutRequest trashFile = new PutRequest(app.getApiPath(), app.getUserID(), path) {
 131                 @Override
 132                 public void onSuccess(Resource result) {
 133                     trashFiles(iter, callback);
 134                 }
 135
 136                 @Override
 137                 public void onError(Throwable t) {
 138                     GWT.log("", t);
 139                                         app.setError(t);
 140                     if (t instanceof RestException) {
 141                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 142                     }
 143                     else
 144                         app.displayError("System error unable to copy file: "+t.getMessage());
 145                 }
 146
 147                                 @Override
 148                                 protected void onUnauthorized(Response response) {
 149                                         app.sessionExpired();
 150                                 }
 151             };
 152             trashFile.setHeader("X-Auth-Token", app.getUserToken());
 153             trashFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));
 154             trashFile.setHeader("Content-Type", file.getContentType());
 155             Scheduler.get().scheduleDeferred(trashFile);
 156         }
 157         else if (callback != null) {
 158             callback.execute();
 159         }
 160     }
 161
 162     protected void trashSubfolders(final Iterator<Folder> iter, final Command callback) {
 163         if (iter.hasNext()) {
 164             final Folder f = iter.next();
 165             trashFolder(f, new Command() {
 166
 167                                 @Override
 168                                 public void execute() {
 169                                         trashSubfolders(iter, callback);
 170                                 }
 171                         });
 172         }
 173         else  {
 174                 app.updateTrash(false, callback);
 175         }
 176     }
 177 }