Merge branch 'master' into uploadArea
[pithos-web-client] / src / gr / grnet / pithos / web / client / Pithos.java
index e045484..d034e86 100644 (file)
@@ -34,6 +34,7 @@
  */
 package gr.grnet.pithos.web.client;
 
+import gr.grnet.pithos.web.client.PithosDisclosurePanel.Style;
 import gr.grnet.pithos.web.client.commands.UploadFileCommand;
 import gr.grnet.pithos.web.client.foldertree.AccountResource;
 import gr.grnet.pithos.web.client.foldertree.File;
@@ -53,7 +54,6 @@ import gr.grnet.pithos.web.client.rest.GetRequest;
 import gr.grnet.pithos.web.client.rest.HeadRequest;
 import gr.grnet.pithos.web.client.rest.PutRequest;
 import gr.grnet.pithos.web.client.rest.RestException;
-import gr.grnet.pithos.web.client.tagtree.Tag;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -64,6 +64,7 @@ import java.util.Set;
 import com.google.gwt.core.client.EntryPoint;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.core.client.Scheduler.RepeatingCommand;
 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
@@ -82,7 +83,10 @@ import com.google.gwt.json.client.JSONObject;
 import com.google.gwt.json.client.JSONParser;
 import com.google.gwt.json.client.JSONString;
 import com.google.gwt.json.client.JSONValue;
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.CssResource;
 import com.google.gwt.resources.client.ImageResource;
+import com.google.gwt.resources.client.ClientBundle.Source;
 import com.google.gwt.resources.client.ImageResource.ImageOptions;
 import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.Cookies;
@@ -92,6 +96,7 @@ import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.AbstractImagePrototype;
 import com.google.gwt.user.client.ui.Button;
 import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
 import com.google.gwt.user.client.ui.HasVerticalAlignment;
@@ -114,6 +119,17 @@ public class Pithos implements EntryPoint, ResizeHandler {
 
        public static final Configuration config = GWT.create(Configuration.class);
        
+       public interface Style extends CssResource {
+               String commandAnchor();
+       }
+       
+       public interface Resources extends ClientBundle {
+               @Source("Pithos.css")
+               Style pithosCss();
+       }
+
+       public static Resources resources = GWT.create(Resources.class);
+       
        /**
         * Instantiate an application-level image bundle. This object will provide
         * programmatic access to all the images needed by widgets.
@@ -132,8 +148,8 @@ public class Pithos implements EntryPoint, ResizeHandler {
         return account;
     }
 
-    public void updateFolder(Folder f, boolean showfiles, Command callback) {
-        folderTreeView.updateFolder(f, showfiles, callback);
+    public void updateFolder(Folder f, boolean showfiles, Command callback, final boolean openParent) {
+        folderTreeView.updateFolder(f, showfiles, callback, openParent);
     }
 
     public void updateGroupNode(Group group) {
@@ -144,10 +160,14 @@ public class Pithos implements EntryPoint, ResizeHandler {
        mysharedTreeView.updateRoot();
     }
     
-    public void updateSharedFolder(Folder f, boolean showfiles) {
-       mysharedTreeView.updateFolder(f, showfiles);
+    public void updateSharedFolder(Folder f, boolean showfiles, Command callback) {
+       mysharedTreeView.updateFolder(f, showfiles, callback);
     }
     
+    public void updateSharedFolder(Folder f, boolean showfiles) {
+       updateSharedFolder(f, showfiles, null);
+    }
+
     public void updateOtherSharedFolder(Folder f, boolean showfiles) {
        otherSharedTreeView.updateFolder(f, showfiles);
     }
@@ -238,7 +258,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
     OtherSharedTreeView otherSharedTreeView = null;
 
     GroupTreeViewModel groupTreeViewModel;
-    private GroupTreeView groupTreeView;
+    GroupTreeView groupTreeView;
 
     TreeView selectedTree;
     protected AccountResource account;
@@ -249,13 +269,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
 
     @SuppressWarnings("rawtypes") List<SingleSelectionModel> selectionModels = new ArrayList<SingleSelectionModel>();
     
-    Button upload;
-    
-    private HTML usedBytes;
-    
-    private HTML totalBytes;
-    
-    private HTML usedPercent;
+    public Button upload;
     
     private HTML numOfFiles;
     
@@ -270,6 +284,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
        }
 
     private void initialize() {
+       resources.pithosCss().ensureInjected();
        boolean bareContent = Window.Location.getParameter("noframe") != null;
        String contentWidth = bareContent ? "100%" : "75%";
 
@@ -345,9 +360,15 @@ public class Pithos implements EntryPoint, ResizeHandler {
                                public void execute() {
                                        updateStatistics();
                                }
-                       });
+                       }, true);
+                       showRelevantToolbarButtons();
                 }
-                showRelevantToolbarButtons();
+                               else {
+                                       if (getSelectedTree().equals(folderTreeView))
+                                               setSelectedTree(null);
+                                       if (getSelectedTree() == null)
+                                               showRelevantToolbarButtons();
+                               }
             }
         });
         selectionModels.add(folderTreeSelectionModel);
@@ -356,43 +377,18 @@ public class Pithos implements EntryPoint, ResizeHandler {
         folderTreeView = new FolderTreeView(folderTreeViewModel);
         treeViews.add(folderTreeView);
         
-        fileList = new FileList(this, images, folderTreeView);
+        fileList = new FileList(this, images);
         inner.add(fileList);
 
-        groupTreeViewModel = new GroupTreeViewModel(this);
-        groupTreeView = new GroupTreeView(groupTreeViewModel);
-        treeViews.add(groupTreeView);
+        inner.add(createUploadArea());
         
         trees = new VerticalPanel();
         trees.setWidth("100%");
-
         
-        HorizontalPanel treeHeader = new HorizontalPanel();
-        treeHeader.addStyleName("pithos-treeHeader");
-        treeHeader.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
-        treeHeader.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
-        HorizontalPanel statistics = new HorizontalPanel();
-        statistics.addStyleName("pithos-statistics");
-        statistics.add(new HTML("Used:&nbsp;"));
-        usedBytes = new HTML();
-        statistics.add(usedBytes);
-        statistics.add(new HTML("&nbsp;of&nbsp;"));
-        totalBytes = new HTML();
-        statistics.add(totalBytes);
-        statistics.add(new HTML("&nbsp;("));
-        usedPercent = new HTML();
-        statistics.add(usedPercent);
-        statistics.add(new HTML(")"));
-        treeHeader.add(statistics);
-        treeHeader.setCellHorizontalAlignment(statistics, HasHorizontalAlignment.ALIGN_LEFT);
-        trees.add(treeHeader);
-
-        trees.add(folderTreeView);
-        trees.add(groupTreeView);
         // Add the left and right panels to the split panel.
         splitPanel.setLeftWidget(trees);
         splitPanel.setRightWidget(inner);
-        splitPanel.setSplitPosition("35%");
+        splitPanel.setSplitPosition("219px");
         splitPanel.setSize("100%", "100%");
         splitPanel.addStyleName("pithos-splitPanel");
         splitPanel.setWidth(contentWidth);
@@ -444,6 +440,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
                                                        trash = f;
                                                        break;
                                                }
+                                   trees.add(folderTreeView);
                                    folderTreeViewModel.initialize(account, new Command() {
                                                                
                                                                @Override
@@ -451,53 +448,69 @@ public class Pithos implements EntryPoint, ResizeHandler {
                                                    createMySharedTree();
                                                                }
                                                        });
-                                   groupTreeViewModel.initialize();
-                                   showStatistics();
+
+                                   HorizontalPanel separator = new HorizontalPanel();
+                                   separator.addStyleName("pithos-statisticsSeparator");
+                                   separator.add(new HTML(""));
+                                   trees.add(separator);
+
+                                   groupTreeViewModel = new GroupTreeViewModel(Pithos.this);
+                                   groupTreeView = new GroupTreeView(groupTreeViewModel);
+                                   treeViews.add(groupTreeView);
+                                   trees.add(groupTreeView);
+                                   folderTreeView.showStatistics(account);
                                }
                                        }
                                });
             }
         });
         
-//        Scheduler.get().scheduleDeferred(new Command() {
-//                     
-//                     @Override
-//                     public void execute() {
-//                             displayError("lalala");
-//                             
-//                     }
-//             });
+        Scheduler.get().scheduleFixedDelay(new RepeatingCommand() {
+                       
+                       @Override
+                       public boolean execute() {
+                               Folder f = getSelection();
+                               if (f != null) {
+                                       if (getSelectedTree().equals(folderTreeView))
+                                               updateFolder(f, true, null, false);
+                                       else if (getSelectedTree().equals(mysharedTreeView))
+                                               updateSharedFolder(f, true);
+                               }
+                               return true;
+                       }
+               }, 3000);
     }
 
     public void applyPermissions(Folder f) {
        if (f != null) {
-               if (f.isInTrash())
+               if (f.isInTrash()) {
                        upload.setEnabled(false);
+                       hideUploadArea();
+               }
                else {
                        Boolean[] perms = f.getPermissions().get(username);
                        if (f.getOwner().equals(username) || (perms != null && perms[1] != null && perms[1])) {
                                upload.setEnabled(true);
+                               showUploadArea();
                        }
-                       else
+                       else {
                                upload.setEnabled(false);
+                               hideUploadArea();
+                       }
                }
        }
-       else
+       else {
                upload.setEnabled(false);
+               hideUploadArea();
+       }
        }
 
        @SuppressWarnings({ "rawtypes", "unchecked" })
        public void deselectOthers(TreeView _selectedTree, SingleSelectionModel model) {
        selectedTree = _selectedTree;
        
-       for (Composite c : treeViews)
-               if (c.equals(selectedTree))
-                       c.addStyleName("cellTreeWidget-selectedTree");
-               else
-                       c.removeStyleName("cellTreeWidget-selectedTree");
-       
         for (SingleSelectionModel s : selectionModels)
-            if (!s.equals(model))
+            if (!s.equals(model) && s.getSelectedObject() != null)
                 s.setSelected(s.getSelectedObject(), false);
     }
 
@@ -514,32 +527,31 @@ public class Pithos implements EntryPoint, ResizeHandler {
         * Parse and store the user credentials to the appropriate fields.
         */
        private boolean parseUserCredentials() {
-        username = Window.Location.getParameter("user");
-        token = Window.Location.getParameter("token");
         Configuration conf = (Configuration) GWT.create(Configuration.class);
                Dictionary otherProperties = Dictionary.getDictionary("otherProperties");
-        if (username == null || username.length() == 0 || token == null || token.length() == 0) {
-            String cookie = otherProperties.get("authCookie");
-            String auth = Cookies.getCookie(cookie);
-            if (auth == null) {
-                authenticateUser();
-                return false;
-            }
-            if (auth.startsWith("\""))
-               auth = auth.substring(1);
-            if (auth.endsWith("\""))
-               auth = auth.substring(0, auth.length() - 1);
-                       String[] authSplit = auth.split("\\" + conf.cookieSeparator(), 2);
-                       if (authSplit.length != 2) {
-                           authenticateUser();
-                           return false;
-                       }
-                       username = authSplit[0];
-                       token = authSplit[1];
-                       return true;
+        String cookie = otherProperties.get("authCookie");
+        String auth = Cookies.getCookie(cookie);
+        if (auth == null) {
+            authenticateUser();
+            return false;
         }
-        
-               Cookies.setCookie(otherProperties.get("authCookie"), username + conf.cookieSeparator() + token, null, "", "/", false);
+        if (auth.startsWith("\""))
+               auth = auth.substring(1);
+        if (auth.endsWith("\""))
+               auth = auth.substring(0, auth.length() - 1);
+               String[] authSplit = auth.split("\\" + conf.cookieSeparator(), 2);
+               if (authSplit.length != 2) {
+                   authenticateUser();
+                   return false;
+               }
+               username = authSplit[0];
+               token = authSplit[1];
+
+        String gotoUrl = Window.Location.getParameter("goto");
+               if (gotoUrl != null && gotoUrl.length() > 0) {
+                       Window.Location.assign(gotoUrl);
+                       return false;
+               }
                return true;
     }
 
@@ -548,7 +560,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
         */
        protected void authenticateUser() {
                Dictionary otherProperties = Dictionary.getDictionary("otherProperties");
-        Window.Location.assign(otherProperties.get("loginUrl"));
+        Window.Location.assign(otherProperties.get("loginUrl") + Window.Location.getHref());
        }
 
        protected void fetchAccount(final Command callback) {
@@ -586,7 +598,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
 
                        @Override
                        public void onSuccess(AccountResource _result) {
-                               showStatistics();
+                               folderTreeView.showStatistics(account);
                        }
 
                        @Override
@@ -608,13 +620,6 @@ public class Pithos implements EntryPoint, ResizeHandler {
                Scheduler.get().scheduleDeferred(headAccount);
        }
 
-       protected void showStatistics() {
-       usedBytes.setHTML(String.valueOf(account.getFileSizeAsString()));
-       totalBytes.setHTML(String.valueOf(account.getQuotaAsString()));
-       NumberFormat nf = NumberFormat.getPercentFormat();
-       usedPercent.setHTML(nf.format(account.getUsedPercentage()));
-       }
-
        protected void createHomeContainer(final AccountResource _account, final Command callback) {
         String path = "/" + Pithos.HOME_CONTAINER;
         PutRequest createPithos = new PutRequest(getApiPath(), getUsername(), path) {
@@ -796,7 +801,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
                History.newItem(key);
        }
 
-    public void deleteFolder(final Folder folder) {
+    public void deleteFolder(final Folder folder, final Command callback) {
         String path = getApiPath() + folder.getOwner() + "/" + folder.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(folder.getPrefix()) + "&t=" + System.currentTimeMillis();
         RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, path);
         builder.setHeader("X-Auth-Token", getToken());
@@ -809,7 +814,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
                         JSONArray array = json.isArray();
                         int i = 0;
                         if (array != null) {
-                            deleteObject(folder, i, array);
+                            deleteObject(folder, i, array, callback);
                         }
                     }
                 }
@@ -825,7 +830,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
         }
     }
 
-    void deleteObject(final Folder folder, final int i, final JSONArray array) {
+    void deleteObject(final Folder folder, final int i, final JSONArray array, final Command callback) {
         if (i < array.size()) {
             JSONObject o = array.get(i).isObject();
             if (o != null && !o.containsKey("subdir")) {
@@ -834,7 +839,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
                 DeleteRequest delete = new DeleteRequest(getApiPath(), folder.getOwner(), URL.encode(path)) {
                     @Override
                     public void onSuccess(Resource result) {
-                        deleteObject(folder, i + 1, array);
+                        deleteObject(folder, i + 1, array, callback);
                     }
 
                     @Override
@@ -871,7 +876,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
                                         array.set(l++, array2.get(j));
                                     }
                                 }
-                                deleteObject(folder, i + 1, array);
+                                deleteObject(folder, i + 1, array, callback);
                             }
                         }
 
@@ -895,9 +900,12 @@ public class Pithos implements EntryPoint, ResizeHandler {
                                                
                                                @Override
                                                public void execute() {
+                                                       folderTreeSelectionModel.setSelected(folder.getParent(), true);
                                                        updateStatistics();
+                                                       if (callback != null)
+                                                               callback.execute();
                                                }
-                                       });
+                                       }, true);
                 }
 
                 @Override
@@ -1053,17 +1061,18 @@ public class Pithos implements EntryPoint, ResizeHandler {
        }
 
        public void updateTrash(boolean showFiles, Command callback) {
-               updateFolder(trash, showFiles, callback);
+               updateFolder(trash, showFiles, callback, true);
        }
 
        public void updateGroupsNode() {
                groupTreeView.updateGroupNode(null);
        }
 
-       public void addGroup(String groupname) {
+       public Group addGroup(String groupname) {
                Group newGroup = new Group(groupname);
                account.addGroup(newGroup);
                groupTreeView.updateGroupNode(null);
+               return newGroup;
        }
 
        public void removeGroup(Group group) {
@@ -1075,8 +1084,14 @@ public class Pithos implements EntryPoint, ResizeHandler {
                return selectedTree;
        }
        
+       public void setSelectedTree(TreeView selected) {
+               selectedTree = selected;
+       }
+
        public Folder getSelection() {
-               return selectedTree.getSelection();
+               if (selectedTree != null)
+                       return selectedTree.getSelection();
+               return null;
        }
 
        public void showFolderStatistics(int folderFileCount) {
@@ -1092,7 +1107,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
        }
 
        public void updateRootFolder(Command callback) {
-               updateFolder(account.getPithos(), false, callback);
+               updateFolder(account.getPithos(), false, callback, true);
        }
 
        void createMySharedTree() {
@@ -1103,9 +1118,16 @@ public class Pithos implements EntryPoint, ResizeHandler {
                        if (mysharedTreeSelectionModel.getSelectedObject() != null) {
                            deselectOthers(mysharedTreeView, mysharedTreeSelectionModel);
                            upload.setEnabled(false);
+                           hideUploadArea();
                            updateSharedFolder(mysharedTreeSelectionModel.getSelectedObject(), true);
+                                       showRelevantToolbarButtons();
                        }
-                       showRelevantToolbarButtons();
+                               else {
+                                       if (getSelectedTree().equals(mysharedTreeView))
+                                               setSelectedTree(null);
+                                       if (getSelectedTree() == null)
+                                               showRelevantToolbarButtons();
+                               }
                    }
                });
                selectionModels.add(mysharedTreeSelectionModel);
@@ -1129,11 +1151,16 @@ public class Pithos implements EntryPoint, ResizeHandler {
                    public void onSelectionChange(SelectionChangeEvent event) {
                        if (otherSharedTreeSelectionModel.getSelectedObject() != null) {
                            deselectOthers(otherSharedTreeView, otherSharedTreeSelectionModel);
-                           otherSharedTreeView.addStyleName("cellTreeWidget-selectedTree");
                            applyPermissions(otherSharedTreeSelectionModel.getSelectedObject());
                            updateOtherSharedFolder(otherSharedTreeSelectionModel.getSelectedObject(), true);
+                                       showRelevantToolbarButtons();
                        }
-                       showRelevantToolbarButtons();
+                               else {
+                                       if (getSelectedTree().equals(otherSharedTreeView))
+                                               setSelectedTree(null);
+                                       if (getSelectedTree() == null)
+                                               showRelevantToolbarButtons();
+                               }
                    }
                });
                selectionModels.add(otherSharedTreeSelectionModel);
@@ -1143,7 +1170,7 @@ public class Pithos implements EntryPoint, ResizeHandler {
                        @Override
                        public void execute() {
                            otherSharedTreeView = new OtherSharedTreeView(otherSharedTreeViewModel);
-                               trees.insert(otherSharedTreeView, 3);
+                               trees.insert(otherSharedTreeView, 1);
                                treeViews.add(otherSharedTreeView);
                        }
                });
@@ -1184,64 +1211,70 @@ public class Pithos implements EntryPoint, ResizeHandler {
        }
 
        public void scheduleFolderHeadCommand(final Folder folder, final Command callback) {
-               HeadRequest<Folder> headFolder = new HeadRequest<Folder>(Folder.class, getApiPath(), folder.getOwner(), folder.getUri(), folder) {
-
-                       @Override
-                       public void onSuccess(Folder _result) {
-                               if (callback != null)
-                                       callback.execute();
-                       }
-
-                       @Override
-                       public void onError(Throwable t) {
-                       if (t instanceof RestException) {
-                               if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) {
-                        final String path = folder.getUri();
-                        PutRequest newFolder = new PutRequest(getApiPath(), folder.getOwner(), path) {
-                            @Override
-                            public void onSuccess(Resource _result) {
-                               scheduleFolderHeadCommand(folder, callback);
-                            }
-
-                            @Override
-                            public void onError(Throwable _t) {
-                                GWT.log("", _t);
-                                                       setError(_t);
-                                if(_t instanceof RestException){
-                                    displayError("Unable to create folder: " + ((RestException) _t).getHttpStatusText());
-                                }
-                                else
-                                    displayError("System error creating folder: " + _t.getMessage());
-                            }
-
-                                       @Override
-                                       protected void onUnauthorized(Response response) {
-                                               sessionExpired();
-                                       }
-                        };
-                        newFolder.setHeader("X-Auth-Token", getToken());
-                        newFolder.setHeader("Content-Type", "application/folder");
-                        newFolder.setHeader("Accept", "*/*");
-                        newFolder.setHeader("Content-Length", "0");
-                        Scheduler.get().scheduleDeferred(newFolder);
-                               }
-                               else
-                                       displayError("Error heading folder: " + ((RestException) t).getHttpStatusText());
-                       }
-                       else
-                           displayError("System error heading folder: " + t.getMessage());
-
-                       GWT.log("Error heading folder", t);
-                               setError(t);
-                       }
-
-                       @Override
-                       protected void onUnauthorized(Response response) {
-                               sessionExpired();
-                       }
-               };
-               headFolder.setHeader("X-Auth-Token", getToken());
-               Scheduler.get().scheduleDeferred(headFolder);
+               if (folder == null) {
+                       if (callback != null)
+                               callback.execute();
+               }
+               else {
+                       HeadRequest<Folder> headFolder = new HeadRequest<Folder>(Folder.class, getApiPath(), folder.getOwner(), folder.getUri(), folder) {
+       
+                               @Override
+                               public void onSuccess(Folder _result) {
+                                       if (callback != null)
+                                               callback.execute();
+                               }
+       
+                               @Override
+                               public void onError(Throwable t) {
+                               if (t instanceof RestException) {
+                                       if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) {
+                               final String path = folder.getUri();
+                               PutRequest newFolder = new PutRequest(getApiPath(), folder.getOwner(), path) {
+                                   @Override
+                                   public void onSuccess(Resource _result) {
+                                       scheduleFolderHeadCommand(folder, callback);
+                                   }
+       
+                                   @Override
+                                   public void onError(Throwable _t) {
+                                       GWT.log("", _t);
+                                                               setError(_t);
+                                       if(_t instanceof RestException){
+                                           displayError("Unable to create folder: " + ((RestException) _t).getHttpStatusText());
+                                       }
+                                       else
+                                           displayError("System error creating folder: " + _t.getMessage());
+                                   }
+       
+                                               @Override
+                                               protected void onUnauthorized(Response response) {
+                                                       sessionExpired();
+                                               }
+                               };
+                               newFolder.setHeader("X-Auth-Token", getToken());
+                               newFolder.setHeader("Content-Type", "application/folder");
+                               newFolder.setHeader("Accept", "*/*");
+                               newFolder.setHeader("Content-Length", "0");
+                               Scheduler.get().scheduleDeferred(newFolder);
+                                       }
+                                       else
+                                               displayError("Error heading folder: " + ((RestException) t).getHttpStatusText());
+                               }
+                               else
+                                   displayError("System error heading folder: " + t.getMessage());
+       
+                               GWT.log("Error heading folder", t);
+                                       setError(t);
+                               }
+       
+                               @Override
+                               protected void onUnauthorized(Response response) {
+                                       sessionExpired();
+                               }
+                       };
+                       headFolder.setHeader("X-Auth-Token", getToken());
+                       Scheduler.get().scheduleDeferred(headFolder);
+               }
        }
 
        public void scheduleFileHeadCommand(File f, final Command callback) {
@@ -1271,4 +1304,136 @@ public class Pithos implements EntryPoint, ResizeHandler {
                headFile.setHeader("X-Auth-Token", getToken());
                Scheduler.get().scheduleDeferred(headFile);
        }
+
+       public boolean isMySharedSelected() {
+               return getSelectedTree().equals(getMySharedTreeView());
+       }
+       
+       private FlowPanel createUploadArea() {
+               FlowPanel area = new FlowPanel();
+               area.getElement().setId("container");
+               HTML list = new HTML();
+               list.getElement().setId("filelist");
+               area.add(list);
+               Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+                       
+                       @Override
+                       public void execute() {
+                               setupUploadArea(Pithos.this, getToken());
+                       }
+               });
+               
+               return area;
+       }
+       
+       native void setupUploadArea(Pithos app, String token) /*-{
+               $wnd.$("#container").pluploadQueue({
+                       // General settings
+                       runtimes : 'html5',
+                       unique_names : true,
+                       multiple_queues: true,
+                       drop_element: 'filelist',
+                       
+                       preinit: {
+                               Init: function(up, info) {
+                                       if ($wnd.console && $wnd.console.log)
+                                               $wnd.console.log("Init fired");
+                                       up.settings.file_data_name = "X-Object-Data";                           
+                               }
+                       },
+                       
+                       init: {
+                               FilesAdded: function(up, files) {
+                                       $wnd.$('#container').css('border', '');
+                                       var api = app.@gr.grnet.pithos.web.client.Pithos::getApiPath()();
+                                       var folder = app.@gr.grnet.pithos.web.client.Pithos::getUploadFolder()();
+                                       var owner = folder.@gr.grnet.pithos.web.client.foldertree.Folder::getOwner()();
+                                       var uri = folder.@gr.grnet.pithos.web.client.foldertree.Folder::getUri()();
+                                       var path = api + owner + uri;
+                                       for (var j=0; j<files.length; j++) {
+                                               files[j].folder = folder;
+                                               files[j].url = path + "/" + files[j].name + "?X-Auth-Token=" + encodeURIComponent(token);
+                                       }
+                                       up.start();
+                               },
+                               
+                               BeforeUpload: function(up, file) {
+                                       if ($wnd.console && $wnd.console.log)
+                                               $wnd.console.log('About to upload ' + file.url);
+                                       up.settings.url = file.url;
+                               },
+                               
+                               FileUploaded: function(up, file, response) {
+                                       if ($wnd.console && $wnd.console.log) {
+                                               $wnd.console.log('File ' + file.name + ' uploaded');
+                                               $wnd.console.log('Response: ' + response);
+                                       }
+                                       up.removeFile(file);
+                                       var folder = app.@gr.grnet.pithos.web.client.Pithos::getUploadFolder()();
+                                       if (folder == file.folder)
+                                               app.@gr.grnet.pithos.web.client.Pithos::updateUploadFolder()();
+                               },
+                               
+                               UploadComplete: function(up, files) {
+                                       if ($wnd.console && $wnd.console.log)
+                                               $wnd.console.log('All files finished');
+                               },
+                               
+                               Error: function(up, error) {
+                                       if ($wnd.console && $wnd.console.log)
+                                               $wnd.console.log("Error occured:" + error);
+                               }
+                       }
+               });
+               var uploader = $wnd.$("#container").pluploadQueue();
+               if (uploader.runtime != 'html5')
+                       $wnd.$("#container").hide();
+               else {
+                       if ($wnd.console && $wnd.console.log) {
+                               $wnd.console.log(uploader);
+                               $wnd.console.log($wnd.plupload);
+                       }
+                       $wnd.$('.plupload_header').hide();
+                       $wnd.$('.plupload_filelist_header').hide();
+                       $wnd.$('#container_filelist').css('overflow-y', 'auto');
+                       $wnd.$('.plupload_filelist_footer').hide();
+                       $wnd.document.getElementById('container').addEventListener('dragenter', function(event) {
+                               $wnd.$('#container').css('border', '3px inset');
+                       }, false);
+                       $wnd.document.getElementById('container').addEventListener('dragleave', function(event) {
+                               $wnd.$('#container').css('border', '');
+                       }, false);
+               }
+       }-*/;
+       
+       private Folder getUploadFolder() {
+               if (folderTreeView.equals(getSelectedTree()) || otherSharedTreeView.equals(getSelectedTree())) {
+                       return getSelection();
+               }
+               return null;
+       }
+       
+       private void updateUploadFolder() {
+               if (folderTreeView.equals(getSelectedTree()) || otherSharedTreeView.equals(getSelectedTree())) {
+                       Folder f = getSelection();
+                       if (getSelectedTree().equals(getFolderTreeView()))
+                               updateFolder(f, true, new Command() {
+                               
+                                       @Override
+                                       public void execute() {
+                                               updateStatistics();
+                                       }
+                               }, false);
+                       else
+                               updateOtherSharedFolder(f, true);
+               }
+       }
+
+       public native void hideUploadArea() /*-{
+               $wnd.$("#container").hide();
+       }-*/;
+
+       public native void showUploadArea() /*-{
+               $wnd.$("#container").show();
+       }-*/;
 }