code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/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.ebs.gss.client.commands;
  20
  21 import gr.ebs.gss.client.FileMenu.Images;
  22 import gr.ebs.gss.client.FolderPropertiesDialog;
  23 import gr.ebs.gss.client.GSS;
  24 import gr.ebs.gss.client.rest.GetCommand;
  25 import gr.ebs.gss.client.rest.MultipleGetCommand;
  26 import gr.ebs.gss.client.rest.resource.GroupResource;
  27 import gr.ebs.gss.client.rest.resource.GroupsResource;
  28
  29 import java.util.ArrayList;
  30 import java.util.List;
  31
  32 import com.google.gwt.core.client.GWT;
  33 import com.google.gwt.user.client.Command;
  34 import com.google.gwt.user.client.DeferredCommand;
  35 import com.google.gwt.user.client.IncrementalCommand;
  36 import com.google.gwt.user.client.ui.PopupPanel;
  37 import com.google.gwt.user.client.ui.TreeItem;
  38
  39
  40 /**
  41  * Display the 'new folder' dialog for creating a new folder.
  42  * @author kman
  43  *
  44  */
  45 public class NewFolderCommand implements Command{
  46         private PopupPanel containerPanel;
  47         final Images images;
  48
  49         private List<GroupResource> groups = null;
  50
  51         /**
  52          * @param aContainerPanel
  53          * @param newImages the images of the new folder dialog
  54          */
  55         public NewFolderCommand(PopupPanel aContainerPanel, final Images newImages){
  56                 containerPanel = aContainerPanel;
  57                 images=newImages;
  58         }
  59
  60         @Override
  61         public void execute() {
  62                 containerPanel.hide();
  63                 getGroups();
  64                 DeferredCommand.addCommand(new IncrementalCommand() {
  65
  66                         @Override
  67                         public boolean execute() {
  68                                 boolean res = canContinue();
  69                                 if (res) {
  70                                         displayNewFolder();
  71                                         return false;
  72                                 }
  73                                 return true;
  74                         }
  75
  76                 });
  77         }
  78
  79         private boolean canContinue() {
  80                 if (groups == null)
  81                         return false;
  82                 return true;
  83         }
  84
  85         void displayNewFolder() {
  86                 TreeItem currentFolder = GSS.get().getFolders().getCurrent();
  87                 if (currentFolder == null) {
  88                         GSS.get().displayError("You have to select the parent folder first");
  89                         return;
  90                 }
  91                 FolderPropertiesDialog dlg = new FolderPropertiesDialog(images, true,  groups);
  92                 dlg.center();
  93         }
  94
  95         private void getGroups() {
  96                 GetCommand<GroupsResource> gg = new GetCommand<GroupsResource>(GroupsResource.class, GSS.get().getCurrentUserResource().getGroupsPath(), null){
  97
  98                         @Override
  99                         public void onComplete() {
 100                                 GroupsResource res = getResult();
 101                                 MultipleGetCommand<GroupResource> ga = new MultipleGetCommand<GroupResource>(GroupResource.class, res.getGroupPaths().toArray(new String[]{}), null){
 102
 103                                         @Override
 104                                         public void onComplete() {
 105                                                 List<GroupResource> groupList = getResult();
 106                                                 groups = groupList;
 107                                         }
 108
 109                                         @Override
 110                                         public void onError(Throwable t) {
 111                                                 GWT.log("", t);
 112                                                 GSS.get().displayError("Unable to fetch groups");
 113                                                 groups = new ArrayList<GroupResource>();
 114                                         }
 115
 116                                         @Override
 117                                         public void onError(String p, Throwable throwable) {
 118                                                 GWT.log("Path:"+p, throwable);
 119                                         }
 120                                 };
 121                                 DeferredCommand.addCommand(ga);
 122                         }
 123
 124                         @Override
 125                         public void onError(Throwable t) {
 126                                 GWT.log("", t);
 127                                 GSS.get().displayError("Unable to fetch groups");
 128                                 groups = new ArrayList<GroupResource>();
 129                         }
 130                 };
 131                 DeferredCommand.addCommand(gg);
 132         }
 133
 134 }