/*
- * Copyright (c) 2011 Greek Research and Technology Network
+ * Copyright 2011 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
*/
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.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.GSS;
-import gr.grnet.pithos.web.client.foldertree.FolderTreeView.FolderCell;
-import gr.grnet.pithos.web.client.rest.GetRequest;
-import gr.grnet.pithos.web.client.rest.RestException;
-import gwtquery.plugins.droppable.client.gwt.DragAndDropNodeInfo;
public class FolderTreeViewModel implements TreeViewModel {
- private SingleSelectionModel<Folder> selectionModel;
+ protected Pithos app;
+
+ private Cell<Folder> folderCell = new AbstractCell<Folder>(ContextMenuEvent.getType().getName()) {
- public FolderTreeViewModel(SingleSelectionModel<Folder> selectionModel) {
+ @Override
+ public void render(@SuppressWarnings("unused") Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) {
+ String html;
+ SafeHtml name;
+ if (folder.isHome()) {
+ html = AbstractImagePrototype.create(FolderTreeView.images.home()).getHTML();
+ name = Templates.INSTANCE.nameSpan("Home");
+ }
+ else if (folder.isTrash()) {
+ html = AbstractImagePrototype.create(FolderTreeView.images.trash()).getHTML();
+ name = Templates.INSTANCE.nameSpan("Trash");
+ }
+ else {
+ html = AbstractImagePrototype.create(FolderTreeView.images.folderYellow()).getHTML();
+ name = Templates.INSTANCE.nameSpan(folder.getName());
+ }
+ safeHtmlBuilder.appendHtmlConstant(html);
+ safeHtmlBuilder.append(name);
+ }
+
+ @Override
+ public void onBrowserEvent(@SuppressWarnings("unused") Cell.Context context, @SuppressWarnings("unused") com.google.gwt.dom.client.Element parent, Folder folder, com.google.gwt.dom.client.NativeEvent event, @SuppressWarnings("unused") com.google.gwt.cell.client.ValueUpdater<Folder> valueUpdater) {
+ if (event.getType().equals(ContextMenuEvent.getType().getName())) {
+ FolderTreeViewModel.this.selectionModel.setSelected(folder, true);
+ FolderContextMenu menu = new FolderContextMenu(app, FolderTreeView.images, app.getSelectedTree(), folder);
+ menu.setPopupPosition(event.getClientX(), event.getClientY());
+ menu.show();
+ }
+ }
+ };
+
+ protected ListDataProvider<Folder> rootDataProvider = new ListDataProvider<Folder>();
+
+ private Map<Folder, ListDataProvider<Folder>> dataProviderMap = new HashMap<Folder, ListDataProvider<Folder>>();
+
+ protected SingleSelectionModel<Folder> selectionModel;
+
+ public FolderTreeViewModel(Pithos _app, SingleSelectionModel<Folder> selectionModel) {
+ app = _app;
this.selectionModel = selectionModel;
}
-
+
@Override
public <T> NodeInfo<?> getNodeInfo(T value) {
if (value == null) {
- final ListDataProvider<Folder> dataProvider = new ListDataProvider<Folder>();
Folder f = new Folder("Loading ...");
- dataProvider.getList().add(f);
- Scheduler.get().scheduleDeferred(new ScheduledCommand() {
- @Override
- public void execute() {
- fetchAccount(dataProvider);
- }
- });
- return new DragAndDropNodeInfo<Folder>(dataProvider, new FolderCell(), selectionModel, null);
- }
- else {
- final ListDataProvider<Folder> dataProvider = new ListDataProvider<Folder>();
- return new DragAndDropNodeInfo<Folder>(dataProvider, new FolderCell(), selectionModel, null);
+ rootDataProvider.getList().add(f);
+ return new DefaultNodeInfo<Folder>(rootDataProvider, 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);
+ fetchFolder(f, dataProvider, false, null);
+ return new DefaultNodeInfo<Folder>(dataProvider, folderCell, selectionModel, null);
}
@Override
return false;
}
- public void fetchAccount(final ListDataProvider<Folder> dataProvider) {
- GSS app = GSS.get();
- String path = app.getApiPath() + app.getUsername() + "?format=json";
+ protected void fetchFolder(final Iterator<Folder> iter, final Command callback) {
+ if (iter.hasNext()) {
+ final Folder f = iter.next();
- GetRequest<AccountResource> getAccount = new GetRequest<AccountResource>(AccountResource.class, path) {
- @Override
- public void onSuccess(AccountResource result) {
- dataProvider.getList().clear();
- for (ContainerResource c : result.getContainers()) {
- dataProvider.getList().add(new Folder(c.getName()));
+ 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(@SuppressWarnings("unused") Folder _result) {
+ fetchFolder(iter, callback);
+ }
+
+ @Override
+ public void onError(Throwable t) {
+ GWT.log("Error getting folder", 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);
+ }
+ else if (callback != null)
+ callback.execute();
+ }
+
+ public void initialize(final AccountResource account) {
+ Iterator<Folder> iter = account.getContainers().iterator();
+ fetchFolder(iter, new Command() {
+ @Override
+ public void execute() {
+ rootDataProvider.getList().clear();
+ rootDataProvider.getList().addAll(account.getContainers());
+ selectionModel.setSelected(rootDataProvider.getList().get(0), true);
+ }
+ });
+ }
+
+ public Folder getSelection() {
+ return selectionModel.getSelectedObject();
+ }
+
+ public void updateFolder(Folder folder, boolean showfiles, Command callback) {
+ if (dataProviderMap.get(folder) == null) {
+ dataProviderMap.put(folder, new ListDataProvider<Folder>());
+ }
+ final ListDataProvider<Folder> dataProvider = dataProviderMap.get(folder);
+ fetchFolder(folder, dataProvider, showfiles, callback);
+ }
+
+ 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 onSuccess(final Folder _result) {
+ if (showfiles)
+ app.showFiles(_result);
+ Iterator<Folder> iter = _result.getSubfolders().iterator();
+ fetchFolder(iter, new Command() {
+ @Override
+ 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 account", t);
+ GWT.log("Error getting folder", t);
if (t instanceof RestException)
- GSS.get().displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
+ app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
else
- GSS.get().displayError("System error fetching user data: " + t.getMessage());
+ app.displayError("System error fetching folder: " + t.getMessage());
}
- };
- Scheduler.get().scheduleDeferred(getAccount);
+ @Override
+ protected void onUnauthorized(Response response) {
+ app.sessionExpired();
+ }
+ };
+ getFolder.setHeader("X-Auth-Token", app.getToken());
+ Scheduler.get().scheduleDeferred(getFolder);
}
}
projects / pithos-web-client / blobdiff