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 import gr.ebs.gss.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 import com.google.gwt.user.client.ui.TreeItem;
  39
  40
  41 /**
  42  * Display the 'new folder' dialog for creating a new folder.
  43  * @author kman
  44  *
  45  */
  46 public class NewFolderCommand implements Command{
  47         private PopupPanel containerPanel;
  48         final Images images;
  49
  50         private List<GroupResource> groups = null;
  51
  52         /**
  53          * @param aContainerPanel
  54          * @param newImages the images of the new folder dialog
  55          */
  56         public NewFolderCommand(PopupPanel aContainerPanel, final Images newImages){
  57                 containerPanel = aContainerPanel;
  58                 images=newImages;
  59         }
  60
  61         @Override
  62         public void execute() {
  63                 containerPanel.hide();
  64                 getGroups();
  65                 DeferredCommand.addCommand(new IncrementalCommand() {
  66
  67                         @Override
  68                         public boolean execute() {
  69                                 boolean res = canContinue();
  70                                 if (res) {
  71                                         displayNewFolder();
  72                                         return false;
  73                                 }
  74                                 return true;
  75                         }
  76
  77                 });
  78         }
  79
  80         private boolean canContinue() {
  81                 if (groups == null)
  82                         return false;
  83                 return true;
  84         }
  85
  86         void displayNewFolder() {
  87                 RestResource currentFolder = GSS.get().getTreeView().getSelection();
  88                 if (currentFolder == null) {
  89                         GSS.get().displayError("You have to select the parent folder first");
  90                         return;
  91                 }
  92                 FolderPropertiesDialog dlg = new FolderPropertiesDialog(images, true,  groups);
  93                 dlg.center();
  94         }
  95
  96         private void getGroups() {
  97                 GetCommand<GroupsResource> gg = new GetCommand<GroupsResource>(GroupsResource.class, GSS.get().getCurrentUserResource().getGroupsPath(), null){
  98
  99                         @Override
 100                         public void onComplete() {
 101                                 GroupsResource res = getResult();
 102                                 MultipleGetCommand<GroupResource> ga = new MultipleGetCommand<GroupResource>(GroupResource.class, res.getGroupPaths().toArray(new String[]{}), null){
 103
 104                                         @Override
 105                                         public void onComplete() {
 106                                                 List<GroupResource> groupList = getResult();
 107                                                 groups = groupList;
 108                                         }
 109
 110                                         @Override
 111                                         public void onError(Throwable t) {
 112                                                 GWT.log("", t);
 113                                                 GSS.get().displayError("Unable to fetch groups");
 114                                                 groups = new ArrayList<GroupResource>();
 115                                         }
 116
 117                                         @Override
 118                                         public void onError(String p, Throwable throwable) {
 119                                                 GWT.log("Path:"+p, throwable);
 120                                         }
 121                                 };
 122                                 DeferredCommand.addCommand(ga);
 123                         }
 124
 125                         @Override
 126                         public void onError(Throwable t) {
 127                                 GWT.log("", t);
 128                                 GSS.get().displayError("Unable to fetch groups");
 129                                 groups = new ArrayList<GroupResource>();
 130                         }
 131                 };
 132                 DeferredCommand.addCommand(gg);
 133         }
 134
 135 }