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

   1 /*
   2  *  Copyright (c) 2011 Greek Research and Technology Network
   3  */
   4 package gr.grnet.pithos.web.client.commands;
   5
   6 import gr.grnet.pithos.web.client.FileMenu.Images;
   7 import gr.grnet.pithos.web.client.FolderPropertiesDialog;
   8 import gr.grnet.pithos.web.client.GSS;
   9 import gr.grnet.pithos.web.client.rest.GetCommand;
  10 import gr.grnet.pithos.web.client.rest.MultipleGetCommand;
  11 import gr.grnet.pithos.web.client.rest.resource.GroupResource;
  12 import gr.grnet.pithos.web.client.rest.resource.GroupsResource;
  13 import gr.grnet.pithos.web.client.rest.resource.RestResource;
  14
  15 import java.util.ArrayList;
  16 import java.util.List;
  17
  18 import com.google.gwt.core.client.GWT;
  19 import com.google.gwt.user.client.Command;
  20 import com.google.gwt.user.client.DeferredCommand;
  21 import com.google.gwt.user.client.IncrementalCommand;
  22 import com.google.gwt.user.client.ui.PopupPanel;
  23
  24 /**
  25  * Display the 'new folder' dialog for creating a new folder.
  26  *
  27  */
  28 public class NewFolderCommand implements Command{
  29         private PopupPanel containerPanel;
  30         final Images images;
  31
  32         private List<GroupResource> groups = null;
  33
  34         /**
  35          * @param aContainerPanel
  36          * @param newImages the images of the new folder dialog
  37          */
  38         public NewFolderCommand(PopupPanel aContainerPanel, final Images newImages){
  39                 containerPanel = aContainerPanel;
  40                 images=newImages;
  41         }
  42
  43         @Override
  44         public void execute() {
  45                 containerPanel.hide();
  46                 getGroups();
  47                 DeferredCommand.addCommand(new IncrementalCommand() {
  48
  49                         @Override
  50                         public boolean execute() {
  51                                 boolean res = canContinue();
  52                                 if (res) {
  53                                         displayNewFolder();
  54                                         return false;
  55                                 }
  56                                 return true;
  57                         }
  58
  59                 });
  60         }
  61
  62         private boolean canContinue() {
  63                 if (groups == null)
  64                         return false;
  65                 return true;
  66         }
  67
  68         void displayNewFolder() {
  69                 RestResource currentFolder = GSS.get().getTreeView().getSelection();
  70                 if (currentFolder == null) {
  71                         GSS.get().displayError("You have to select the parent folder first");
  72                         return;
  73                 }
  74                 FolderPropertiesDialog dlg = new FolderPropertiesDialog(images, true,  groups);
  75                 dlg.center();
  76         }
  77
  78         private void getGroups() {
  79                 GetCommand<GroupsResource> gg = new GetCommand<GroupsResource>(GroupsResource.class, GSS.get().getCurrentUserResource().getGroupsPath(), null){
  80
  81                         @Override
  82                         public void onComplete() {
  83                                 GroupsResource res = getResult();
  84                                 MultipleGetCommand<GroupResource> ga = new MultipleGetCommand<GroupResource>(GroupResource.class, res.getGroupPaths().toArray(new String[]{}), null){
  85
  86                                         @Override
  87                                         public void onComplete() {
  88                                                 List<GroupResource> groupList = getResult();
  89                                                 groups = groupList;
  90                                         }
  91
  92                                         @Override
  93                                         public void onError(Throwable t) {
  94                                                 GWT.log("", t);
  95                                                 GSS.get().displayError("Unable to fetch groups");
  96                                                 groups = new ArrayList<GroupResource>();
  97                                         }
  98
  99                                         @Override
 100                                         public void onError(String p, Throwable throwable) {
 101                                                 GWT.log("Path:"+p, throwable);
 102                                         }
 103                                 };
 104                                 DeferredCommand.addCommand(ga);
 105                         }
 106
 107                         @Override
 108                         public void onError(Throwable t) {
 109                                 GWT.log("", t);
 110                                 GSS.get().displayError("Unable to fetch groups");
 111                                 groups = new ArrayList<GroupResource>();
 112                         }
 113                 };
 114                 DeferredCommand.addCommand(gg);
 115         }
 116
 117 }