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[pithos-web-client] / src / gr / grnet / pithos / web / client / foldertree / FolderTreeViewModel.java
index 47db362..5035473 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2011 GRNET S.A. All rights reserved.
+ * Copyright 2011-2012 GRNET S.A. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or
  * without modification, are permitted provided that the following
 
 package gr.grnet.pithos.web.client.foldertree;
 
+import gr.grnet.pithos.web.client.FolderContextMenu;
+import gr.grnet.pithos.web.client.Pithos;
+import gr.grnet.pithos.web.client.foldertree.FolderTreeView.Templates;
+import gr.grnet.pithos.web.client.rest.GetRequest;
+import gr.grnet.pithos.web.client.rest.RestException;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
 import com.google.gwt.cell.client.AbstractCell;
 import com.google.gwt.cell.client.Cell;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.Scheduler;
-import com.google.gwt.core.client.Scheduler.ScheduledCommand;
 import com.google.gwt.event.dom.client.ContextMenuEvent;
+import com.google.gwt.http.client.Response;
+import com.google.gwt.http.client.URL;
+import com.google.gwt.safehtml.shared.SafeHtml;
 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
+import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.ui.AbstractImagePrototype;
 import com.google.gwt.view.client.ListDataProvider;
 import com.google.gwt.view.client.SingleSelectionModel;
 import com.google.gwt.view.client.TreeViewModel;
-import gr.grnet.pithos.web.client.FolderContextMenu;
-import gr.grnet.pithos.web.client.GSS;
-import gr.grnet.pithos.web.client.foldertree.FolderTreeView.Templates;
-import gr.grnet.pithos.web.client.rest.GetRequest;
-import gr.grnet.pithos.web.client.rest.RestException;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Set;
 
 public class FolderTreeViewModel implements TreeViewModel {
 
+       protected Pithos app;
+    
     private Cell<Folder> folderCell = new AbstractCell<Folder>(ContextMenuEvent.getType().getName()) {
 
        @Override
         public void render(Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) {
-            String html = AbstractImagePrototype.create(FolderTreeView.images.folderYellow()).getHTML();
-            safeHtmlBuilder.appendHtmlConstant(html);
-            safeHtmlBuilder.append(Templates.INSTANCE.nameSpan(folder.getName()));
+            String html;
+            SafeHtml name;
+               if (folder.isHome()) {
+                       html = AbstractImagePrototype.create(FolderTreeView.images.home()).getHTML();
+                       name = Templates.INSTANCE.nameSpan("Pithos");
+               }
+               else if (folder.isTrash()) {
+                       html = AbstractImagePrototype.create(FolderTreeView.images.trash()).getHTML();
+                       name = Templates.INSTANCE.nameSpan("Trash");
+               }
+            else {
+               html = AbstractImagePrototype.create(folder.isShared() ? FolderTreeView.images.myShared() : FolderTreeView.images.folderYellow()).getHTML();
+                       name = Templates.INSTANCE.nameSpan(folder.getName());
+            }
+            safeHtmlBuilder.appendHtmlConstant(html).appendHtmlConstant("&nbsp;");
+            safeHtmlBuilder.append(name);
         }
 
         @Override
-        public void onBrowserEvent(Cell.Context context, com.google.gwt.dom.client.Element parent, Folder folder, com.google.gwt.dom.client.NativeEvent event, com.google.gwt.cell.client.ValueUpdater<Folder> valueUpdater) {
+        public void onBrowserEvent(Cell.Context context, com.google.gwt.dom.client.Element parent, final Folder folder, com.google.gwt.dom.client.NativeEvent event, com.google.gwt.cell.client.ValueUpdater<Folder> valueUpdater) {
             if (event.getType().equals(ContextMenuEvent.getType().getName())) {
+               final int x = event.getClientX();
+               final int y = event.getClientY();
                 FolderTreeViewModel.this.selectionModel.setSelected(folder, true);
-                FolderContextMenu menu = new FolderContextMenu(FolderTreeView.images, folder);
-                menu.setPopupPosition(event.getClientX(), event.getClientY());
-                menu.show();
+                app.scheduleFolderHeadCommand(folder, new Command() {
+                                       
+                                       @Override
+                                       public void execute() {
+                               FolderContextMenu menu = new FolderContextMenu(app, FolderTreeView.images, app.getSelectedTree(), folder);
+                               menu.setPopupPosition(x, y);
+                               menu.show();
+                                       }
+                               });
             }
         }
     };
 
-    private ListDataProvider<Folder> rootDataProvider = new ListDataProvider<Folder>();
+    protected ListDataProvider<Folder> rootDataProvider = new ListDataProvider<Folder>();
 
     private Map<Folder, ListDataProvider<Folder>> dataProviderMap = new HashMap<Folder, ListDataProvider<Folder>>();
 
-    private SingleSelectionModel<Folder> selectionModel;
+    protected SingleSelectionModel<Folder> selectionModel;
 
-    public FolderTreeViewModel(SingleSelectionModel<Folder> selectionModel) {
+    public FolderTreeViewModel(Pithos _app, SingleSelectionModel<Folder> selectionModel) {
+        app = _app;
         this.selectionModel = selectionModel;
     }
 
@@ -95,15 +124,16 @@ public class FolderTreeViewModel implements TreeViewModel {
             rootDataProvider.getList().add(f);
             return new DefaultNodeInfo<Folder>(rootDataProvider, folderCell, selectionModel, null);
         }
-        else {
-            final Folder f = (Folder) value;
-            if (dataProviderMap.get(f) == null) {
-                dataProviderMap.put(f, new ListDataProvider<Folder>());
-            }
-            final ListDataProvider<Folder> dataProvider = dataProviderMap.get(f);
-            fetchFolder(f, dataProvider);
-            return new DefaultNodeInfo<Folder>(dataProvider, folderCell, selectionModel, null);
-        }
+               final Folder f = (Folder) value;
+               if (dataProviderMap.get(f) == null) {
+                   dataProviderMap.put(f, new ListDataProvider<Folder>());
+               }
+               final ListDataProvider<Folder> dataProvider = dataProviderMap.get(f);
+               //This prevents the loading indicator
+//             dataProvider.getList().clear();
+//             dataProvider.getList().addAll(f.getSubfolders());
+               fetchFolder(f, dataProvider, false, null);
+               return new DefaultNodeInfo<Folder>(dataProvider, folderCell, selectionModel, null);
     }
 
     @Override
@@ -115,82 +145,123 @@ public class FolderTreeViewModel implements TreeViewModel {
         return false;
     }
 
-    private void fetchFolder(final Iterator<Folder> iter, final ListDataProvider<Folder> dataProvider, final Set<Folder> folders) {
-        final GSS app = GSS.get();
+       private native void log(String msg) /*-{
+       $wnd.console.log(msg);
+       }-*/;
+
+    protected void fetchFolder(final Iterator<Folder> iter, final Command callback) {
         if (iter.hasNext()) {
             final Folder f = iter.next();
 
-            String path = app.getApiPath() + app.getUsername() + "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix();
-            GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, path, f) {
+            String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix());
+            GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), path, f) {
                 @Override
-                public void onSuccess(Folder result) {
-                    fetchFolder(iter, dataProvider, folders);
+                public void onSuccess(Folder _result) {
+                    fetchFolder(iter, callback);
                 }
 
                 @Override
                 public void onError(Throwable t) {
                     GWT.log("Error getting folder", t);
+                                       app.setError(t);
                     if (t instanceof RestException)
-                        GSS.get().displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
+                        app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
                     else
-                        GSS.get().displayError("System error fetching folder: " + t.getMessage());
+                        app.displayError("System error fetching folder: " + t.getMessage());
                 }
+
+                               @Override
+                               protected void onUnauthorized(Response response) {
+                                       app.sessionExpired();
+                               }
             };
             getFolder.setHeader("X-Auth-Token", app.getToken());
             Scheduler.get().scheduleDeferred(getFolder);
         }
-        else {
-            dataProvider.getList().clear();
-            dataProvider.getList().addAll(folders);
-            if (dataProvider.equals(rootDataProvider))
-                selectionModel.setSelected(dataProvider.getList().get(0), true);
-        }
+        else if (callback != null)
+            callback.execute();
     }
 
-    public void initialize(AccountResource account) {
-        Iterator<Folder> iter = account.getContainers().iterator();
-        fetchFolder(iter, rootDataProvider, account.getContainers());
+    public void initialize(final AccountResource account, final Command callback) {
+        Iterator<Folder> iter = account.getContainers().listIterator();
+        fetchFolder(iter, new Command() {
+            @Override
+            public void execute() {
+                rootDataProvider.getList().clear();
+                Folder t = null;
+                for (Folder c : account.getContainers()) {
+                       if (c.isHome())
+                       rootDataProvider.getList().add(0, c); //Pithos is always first
+                       else if (c.isTrash())
+                               t = c; //Keep trash for adding in the end
+                       else
+                               rootDataProvider.getList().add(c);
+                }
+                if (t != null)
+                       rootDataProvider.getList().add(t);
+                selectionModel.setSelected(rootDataProvider.getList().get(0), true);
+                if (callback != null)
+                       callback.execute();
+            }
+        });
     }
 
     public Folder getSelection() {
         return selectionModel.getSelectedObject();
     }
 
-    public void updateFolder(Folder folder) {
+    public void updateFolder(final Folder folder, boolean showfiles, final Command callback) {
         if (dataProviderMap.get(folder) == null) {
             dataProviderMap.put(folder, new ListDataProvider<Folder>());
         }
         final ListDataProvider<Folder> dataProvider = dataProviderMap.get(folder);
-        fetchFolder(folder, dataProvider);
+        fetchFolder(folder, dataProvider, showfiles, new Command() {
+                       
+                       @Override
+                       public void execute() {
+                               app.getFolderTreeView().openFolder(folder);
+                               if (callback != null)
+                                       callback.execute();
+                       }
+               });
     }
 
-    public void fetchFolder(final Folder f, final ListDataProvider<Folder> dataProvider) {
-        dataProvider.flush();
-        Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+    public void fetchFolder(final Folder f, final ListDataProvider<Folder> dataProvider, final boolean showfiles, final Command callback) {
+        String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix());
+        GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), path, f) {
             @Override
-            public void execute() {
-                final GSS app = GSS.get();
-                String path = app.getApiPath() + app.getUsername() + "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix();
-                GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, path, f) {
+            public void onSuccess(final Folder _result) {
+                if (showfiles)
+                    app.showFiles(_result);
+                Iterator<Folder> iter = new ArrayList<Folder>(_result.getSubfolders()).listIterator();
+                fetchFolder(iter, new Command() {
                     @Override
-                    public void onSuccess(Folder result) {
-                        app.showFiles(f);
-                        Iterator<Folder> iter = result.getSubfolders().iterator();
-                        fetchFolder(iter, dataProvider, result.getSubfolders());
+                    public void execute() {
+                        dataProvider.getList().clear();
+                        dataProvider.getList().addAll(_result.getSubfolders());
+//                        app.getFolderTreeView().updateChildren(f);
+                        if (callback != null)
+                               callback.execute();
                     }
+                });
+            }
 
-                    @Override
-                    public void onError(Throwable t) {
-                        GWT.log("Error getting folder", t);
-                        if (t instanceof RestException)
-                            GSS.get().displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
-                        else
-                            GSS.get().displayError("System error fetching folder: " + t.getMessage());
-                    }
-                };
-                getFolder.setHeader("X-Auth-Token", app.getToken());
-                Scheduler.get().scheduleDeferred(getFolder);
+            @Override
+            public void onError(Throwable t) {
+                GWT.log("Error getting folder", t);
+                               app.setError(t);
+                if (t instanceof RestException)
+                    app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
+                else
+                    app.displayError("System error fetching folder: " + t.getMessage());
             }
-        });
+
+                       @Override
+                       protected void onUnauthorized(Response response) {
+                               app.sessionExpired();
+                       }
+        };
+        getFolder.setHeader("X-Auth-Token", app.getToken());
+        Scheduler.get().scheduleDeferred(getFolder);
     }
 }