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

   1 /*
   2  * Copyright 2008, 2009 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   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.
  10  *
  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.
  15  *
  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/>.
  18  */
  19 package gr.grnet.pithos.web.client.commands;
  20
  21 import gr.grnet.pithos.web.client.FileMenu.Images;
  22 import gr.grnet.pithos.web.client.FolderPropertiesDialog;
  23 import gr.grnet.pithos.web.client.GSS;
  24 import gr.grnet.pithos.web.client.rest.GetCommand;
  25 import gr.grnet.pithos.web.client.rest.MultipleGetCommand;
  26 import gr.grnet.pithos.web.client.rest.resource.GroupResource;
  27 import gr.grnet.pithos.web.client.rest.resource.GroupsResource;
  28 import gr.grnet.pithos.web.client.rest.resource.RestResource;
  29
  30 import java.util.ArrayList;
  31 import java.util.List;
  32
  33 import com.google.gwt.core.client.GWT;
  34 import com.google.gwt.user.client.Command;
  35 import com.google.gwt.user.client.DeferredCommand;
  36 import com.google.gwt.user.client.IncrementalCommand;
  37 import com.google.gwt.user.client.ui.PopupPanel;
  38
  39 /**
  40  * Display the 'new folder' dialog for creating a new folder.
  41  * @author kman
  42  *
  43  */
  44 public class NewFolderCommand implements Command{
  45         private PopupPanel containerPanel;
  46         final Images images;
  47
  48         private List<GroupResource> groups = null;
  49
  50         /**
  51          * @param aContainerPanel
  52          * @param newImages the images of the new folder dialog
  53          */
  54         public NewFolderCommand(PopupPanel aContainerPanel, final Images newImages){
  55                 containerPanel = aContainerPanel;
  56                 images=newImages;
  57         }
  58
  59         @Override
  60         public void execute() {
  61                 containerPanel.hide();
  62                 getGroups();
  63                 DeferredCommand.addCommand(new IncrementalCommand() {
  64
  65                         @Override
  66                         public boolean execute() {
  67                                 boolean res = canContinue();
  68                                 if (res) {
  69                                         displayNewFolder();
  70                                         return false;
  71                                 }
  72                                 return true;
  73                         }
  74
  75                 });
  76         }
  77
  78         private boolean canContinue() {
  79                 if (groups == null)
  80                         return false;
  81                 return true;
  82         }
  83
  84         void displayNewFolder() {
  85                 RestResource currentFolder = GSS.get().getTreeView().getSelection();
  86                 if (currentFolder == null) {
  87                         GSS.get().displayError("You have to select the parent folder first");
  88                         return;
  89                 }
  90                 FolderPropertiesDialog dlg = new FolderPropertiesDialog(images, true,  groups);
  91                 dlg.center();
  92         }
  93
  94         private void getGroups() {
  95                 GetCommand<GroupsResource> gg = new GetCommand<GroupsResource>(GroupsResource.class, GSS.get().getCurrentUserResource().getGroupsPath(), null){
  96
  97                         @Override
  98                         public void onComplete() {
  99                                 GroupsResource res = getResult();
 100                                 MultipleGetCommand<GroupResource> ga = new MultipleGetCommand<GroupResource>(GroupResource.class, res.getGroupPaths().toArray(new String[]{}), null){
 101
 102                                         @Override
 103                                         public void onComplete() {
 104                                                 List<GroupResource> groupList = getResult();
 105                                                 groups = groupList;
 106                                         }
 107
 108                                         @Override
 109                                         public void onError(Throwable t) {
 110                                                 GWT.log("", t);
 111                                                 GSS.get().displayError("Unable to fetch groups");
 112                                                 groups = new ArrayList<GroupResource>();
 113                                         }
 114
 115                                         @Override
 116                                         public void onError(String p, Throwable throwable) {
 117                                                 GWT.log("Path:"+p, throwable);
 118                                         }
 119                                 };
 120                                 DeferredCommand.addCommand(ga);
 121                         }
 122
 123                         @Override
 124                         public void onError(Throwable t) {
 125                                 GWT.log("", t);
 126                                 GSS.get().displayError("Unable to fetch groups");
 127                                 groups = new ArrayList<GroupResource>();
 128                         }
 129                 };
 130                 DeferredCommand.addCommand(gg);
 131         }
 132
 133 }