List of usage examples for com.google.gwt.user.client.ui DialogBox show
@Override
public void show()
From source file:nz.org.winters.appspot.acrareporter.client.ui.UserEdit.java
License:Apache License
public static void doAddDialog(final AppUser adminAppUser, final RemoteDataServiceAsync remoteService) { final DialogBox dialogBox = new DialogBox(); dialogBox.setText("Add New User"); // Create a table to layout the content UserEdit pet = new UserEdit(new UserEdit.DialogCallback() { @Override// ww w . j a v a 2 s . co m public void result(boolean ok, AppUser appUser) { if (ok) { appUser.adminAppUserId = adminAppUser.id; remoteService.addAppUser(appUser, new AsyncCallback<Void>() { @Override public void onFailure(Throwable caught) { } @Override public void onSuccess(Void result) { dialogBox.hide(); } }); } else { dialogBox.hide(); } } }); pet.setWidth("100%"); dialogBox.setWidget(pet); dialogBox.center(); dialogBox.show(); }
From source file:org.apache.oozie.tools.workflowgenerator.client.OozieWorkflowGenerator.java
License:Apache License
/** * Initialize menu panel on top/*w w w . j ava 2 s .c o m*/ * * @return */ public MenuBar initMenu() { // Menu bar Command cmd = new Command() { public void execute() { Window.alert("To be implemented soon"); } }; Command mr_cmd = new Command() { public void execute() { initWidget(); MapReduceActionWidget mr = new MapReduceActionWidget(OozieWorkflowGenerator.this); mr.setName("MR_0"); addWidget(mr, 300, 100); ((OozieDiagramController) controller).addConnection(start, mr); ((OozieDiagramController) controller).addConnection(mr, end); mr.updateOnSelection(); } }; Command pig_cmd = new Command() { public void execute() { clear(); initWidget(); PigActionWidget pig = new PigActionWidget(OozieWorkflowGenerator.this); pig.setName("Pig_0"); addWidget(pig, 300, 100); ((OozieDiagramController) controller).addConnection(start, pig); ((OozieDiagramController) controller).addConnection(pig, end); pig.updateOnSelection(); } }; Command java_cmd = new Command() { public void execute() { clear(); initWidget(); JavaActionWidget java = new JavaActionWidget(OozieWorkflowGenerator.this); java.setName("Java_0"); addWidget(java, 300, 100); ((OozieDiagramController) controller).addConnection(start, java); ((OozieDiagramController) controller).addConnection(java, end); java.updateOnSelection(); } }; Command forkjoin_cmd = new Command() { public void execute() { clear(); initWidget(); ForkNodeWidget fork = new ForkNodeWidget(OozieWorkflowGenerator.this); fork.setName("Fork_0"); addWidget(fork, 150, 100); ((OozieDiagramController) controller).addConnection(start, fork); MapReduceActionWidget mr = new MapReduceActionWidget(OozieWorkflowGenerator.this); mr.setName("MR_0"); addWidget(mr, 300, 30); ((OozieDiagramController) controller).addMultiConnection(fork, mr); PigActionWidget pig = new PigActionWidget(OozieWorkflowGenerator.this); pig.setName("Pig_0"); addWidget(pig, 300, 200); ((OozieDiagramController) controller).addMultiConnection(fork, pig); JoinNodeWidget join = new JoinNodeWidget(OozieWorkflowGenerator.this); join.setName("Join_0"); addWidget(join, 450, 100); ((OozieDiagramController) controller).addConnection(mr, join); ((OozieDiagramController) controller).addConnection(pig, join); ((OozieDiagramController) controller).addConnection(join, end); fork.updateOnSelection(); join.updateOnSelection(); mr.updateOnSelection(); pig.updateOnSelection(); } }; Command clear_cmd = new Command() { public void execute() { clear(); } }; MenuBar fileMenu = new MenuBar(true); fileMenu.setAutoOpen(true); fileMenu.setAnimationEnabled(true); fileMenu.addItem("New", cmd); fileMenu.addItem("Open", cmd); fileMenu.addItem("Load XML", cmd); fileMenu.addItem("Save", cmd); fileMenu.addItem("Save As..", cmd); fileMenu.addItem("Generate XML", cmd); fileMenu.addItem("Print", cmd); fileMenu.addItem("Quit", cmd); MenuBar editMenu = new MenuBar(true); editMenu.setAutoOpen(true); editMenu.setAnimationEnabled(true); editMenu.addItem("Undo", cmd); editMenu.addItem("Redo", cmd); editMenu.addItem("Copy", cmd); editMenu.addItem("Cut", cmd); editMenu.addItem("Paste", cmd); editMenu.addItem("Duplicate", cmd); editMenu.addItem("Delete", cmd); editMenu.addItem("Clear Diagram", clear_cmd); MenuBar examples = new MenuBar(true); examples.setAutoOpen(true); examples.setAnimationEnabled(true); examples.addItem("wrkflow with MR action", mr_cmd); examples.addItem("wrkflow with Pig action", pig_cmd); examples.addItem("wrkflow with Java action", java_cmd); examples.addItem("wrkflow with Fork/Join ", forkjoin_cmd); MenuBar helpMenu = new MenuBar(true); helpMenu.setAutoOpen(true); helpMenu.setAnimationEnabled(true); // TODO this should point to a workflowgenerator's maven site, however there is no maven site available. (Not even in // Workspace of the jenkins job at https://builds.apache.org/job/oozie-trunk-precommit-build/ws/workflowgenerator/target/) // where client, for example, has target/site/apidocs // The ideal place is somewhere under http://oozie.apache.org/docs/ once it is generated. Command openOozieTopPageComman = new Command() { @Override public void execute() { Window.open("http://oozie.apache.org/", "_blank", ""); } }; helpMenu.addItem("Documentation", openOozieTopPageComman); helpMenu.addItem("Online Help", openOozieTopPageComman); Command aboutCommand = new Command() { @Override public void execute() { // Dialogbox final DialogBox d = new DialogBox(false, true); d.setGlassEnabled(true); d.setText("About Oozie Workflow Generator"); d.center(); // Set this to workaround the grid z-index issue https://issues.apache.org/jira/browse/OOZIE-1081 d.getElement().getStyle().setZIndex(ZINDEX_FRONT_OF_GRID); // About text VerticalPanel vpanel = new VerticalPanel(); vpanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER); vpanel.setSpacing(10); vpanel.setWidth("150"); vpanel.add(new Label("Oozie Workflow Generator")); vpanel.add(new Label("Version 3.4.0-SNAPSHOT")); // TODO how to get a version number from pom? // OK button to close Button ok = new Button("OK"); ok.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { d.hide(); } }); vpanel.add(ok); d.setWidget(vpanel); d.show(); } }; helpMenu.addItem("About", aboutCommand); MenuBar menu = new MenuBar(); menu.addItem("File", fileMenu); menu.addItem("Edit", editMenu); menu.addItem("Example", examples); menu.addItem("Help", helpMenu); return menu; }
From source file:org.apache.solr.explorer.client.core.manager.ui.BasicUIManager.java
License:Apache License
protected void showMessgeDialog(String title, Image icon, Widget widget, final AsyncCallback<Void> callback) { final DialogBox dialogBox = new DialogBox(false, true); dialogBox.setText(title);//from w w w . ja v a 2s . c om VerticalPanel content = new VerticalPanel(); content.setStyleName("MessageDialogContent"); icon.setStyleName("Icon"); HorizontalPanel messageRow = new HorizontalPanel(); messageRow.add(icon); messageRow.add(widget); messageRow.setCellVerticalAlignment(widget, HorizontalPanel.ALIGN_MIDDLE); content.add(messageRow); Button closeButton = new Button("Close", new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); if (callback != null) { callback.onSuccess(null); } } }); LayoutUtils.addGap(content, "5px"); content.add(closeButton); content.setCellHorizontalAlignment(closeButton, VerticalPanel.ALIGN_RIGHT); dialogBox.setWidget(content); dialogBox.center(); dialogBox.show(); }
From source file:org.C2C.client.Task.java
License:Open Source License
public static void INIT() { CallManager.INIT();/* www . j a va 2 s . co m*/ TASK_WAIT = new TaskWait(); TASK_WAIT.run(); DialogBox dialogbox = new DialogBox(false); dialogbox.setStyleName("demo-DialogBox"); dialogbox.show(); ClassRegistry.INIT_CLASSES(); }
From source file:org.C2C.client.TaskManager.java
License:Open Source License
public static void RUN() { DialogBox dialogbox = new DialogBox(false); dialogbox.setStyleName("demo-DialogBox"); dialogbox.setText("RUNX " + ACTIVE_COUNT + ", "); dialogbox.show(); if (ACTIVE_COUNT <= 0 /*|| !CallManager.IS_LOGGEDIN*/) { return;//www. j a v a 2 s . c om } dialogbox.setText("RUNY"); dialogbox.show(); String toServer = ""; Task prev = null; Map<Integer, Task> tasks = GET_TASKS(); Set<Integer> keySet = tasks.keySet(); for (Integer key : keySet) { final Task tsk = tasks.get(key); if (!tsk.isCompleted()) { if (tsk instanceof TaskEmpty) { if (tsk.isActiveTaskChild()) { if (!toServer.isEmpty()) { prev.addListener(new TaskCompletedListener() { public void completed(Task task) { String s = tsk.run(); } }); } else { tsk.run(); } } } else { String runRes = ""; runRes = tsk.run(); toServer = toServer.concat(runRes); prev = tsk; } } } if (!toServer.isEmpty()) { //WindowManager.getInstance().setStatusBarText(toServer.length()+""); CallManager.SEND_TO_SERVER(toServer); } }
From source file:org.C2C.client.TaskWait.java
License:Open Source License
/** * The default constructor for class TaskWait *///from ww w . j a va 2s.c o m public TaskWait() { super(); setCompleted(true); m_listener = new TaskCompletedListener() { public void completed(Task task) { if (!TaskManager.TRANSFERING) { //TaskManager.RUN(); DialogBox dialogbox = new DialogBox(false); dialogbox.setStyleName("demo-DialogBox"); dialogbox.setText("TaskWait callback"); dialogbox.show(); } //((TaskWait) task).run(); } }; // DialogBox dialogbox = new DialogBox(false); // dialogbox.setStyleName("demo-DialogBox"); // dialogbox.setText("TaskWait"); // dialogbox.show(); addListener(m_listener); TaskManager.ADD_TASK(this); }
From source file:org.client.XholonJsApi.java
License:Open Source License
/** * Popup a panel containing user-specified HTML. * @param title - Popup title./* ww w .jav a 2 s.com*/ * @param htmlText - HTML content of the panel. * @param autoHide - true if the dialog should be automatically hidden when the user clicks outside of it * @param modal - true if keyboard and mouse events for widgets not contained by the dialog should be ignored * @param left - the popup's left position relative to the browser's client area (in pixels) * @param top - the popup's top position relative to the browser's client area (in pixels) * @return - the DialogBox's underlying DOM element */ public static Element popup(String title, String htmlText, boolean autoHide, boolean modal, int left, int top) { final DialogBox db = new DialogBox(autoHide, modal); db.setText(title); //String safeHtmlText = SafeHtmlUtils.fromString(htmlText).asString(); //db.setWidget(new HTML(safeHtmlText)); // this doesn't work "<" becomes < etc. db.setWidget(new HTML(htmlText)); db.setPopupPosition(left, top); db.show(); return db.getElement(); }
From source file:org.datacleaner.monitor.util.ErrorHandler.java
License:Open Source License
/** * Shows an error dialog/*w w w .j av a 2s . c om*/ * * @param messageHeader * @param details * @param additionalDetails */ public static void showErrorDialog(String messageHeader, String details, String additionalDetails) { final DialogBox dialogBox = getDialogBox(); final FlowPanel panel = new FlowPanel(); final Label messageLabel = new Label(messageHeader); messageLabel.addStyleName("Message"); panel.add(messageLabel); if (details != null && details.trim().length() > 0) { final TextArea textArea = new TextArea(); textArea.setText(details); textArea.setReadOnly(true); textArea.addStyleName("Details"); panel.add(textArea); } if (additionalDetails != null && additionalDetails.trim().length() > 0) { final TextArea textArea = new TextArea(); textArea.setText(additionalDetails); textArea.setReadOnly(true); textArea.addStyleName("AdditionalMessageDetails"); panel.add(textArea); } final Button closeButton = DCButtons.primaryButton(null, "Close"); closeButton.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { dialogBox.hide(); } }); final ButtonPanel buttonPanel = new ButtonPanel(); buttonPanel.addButton(closeButton); panel.add(buttonPanel); dialogBox.setWidget(panel); dialogBox.center(); dialogBox.show(); }
From source file:org.dataconservancy.dcs.access.client.ui.EmailPopupPanel.java
License:Apache License
public EmailPopupPanel(final String entityId, String emailAddress) { super(false); grid.getRowFormatter().setStyleName(0, "emailPopupPanelText"); // grid.setColumnWidth(0, 40, Unit.PX); //grid.getColumnFormatter().setStyleName(0, "columnWidth"); final VerticalPanel panel = new VerticalPanel(); panel.setStyleName("emailPopupPanel"); setWidget(panel);/* ww w. java 2 s .c o m*/ setStyleName("emailPopupPanelContainer"); emailBox = new TextBox(); emailBox.setStyleName("textbox"); if (emailAddress != null) emailBox.setText(emailAddress); grid.setStyleName("Middle"); buttonGrid.setStyleName("Middle"); grid.setWidget(0, 1, emailBox); grid.setWidget(0, 0, new Label("Please enter your email address:")); Button ok = new Button("Send Email"); Button cancel = new Button("Cancel"); buttonGrid.setWidget(0, 0, ok); //grid.getCellFormatter().setStyleName(1, 0, "LeftPad"); buttonGrid.setWidget(0, 1, cancel); // panel.setStyleName("Middle"); panel.add(grid); panel.add(buttonGrid); ok.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { if (emailBox.getText() != null && emailBox.getText().length() > 0) { hidePanel(); final DialogBox db = new DialogBox(); db.setText("You will receive an email shortly"); final VerticalPanel panel = new VerticalPanel(); panel.setStyleName("Middle"); // panel.setStyleName("alertContainer"); final Button buttonClose = new Button("Close", new ClickHandler() { @Override public void onClick(final ClickEvent event) { db.hide(); } }); final Label emptyLabel = new Label(""); emptyLabel.setSize("auto", "25px"); panel.add(emptyLabel); panel.add(emptyLabel); buttonClose.setWidth("90px"); panel.add(buttonClose); db.add(panel); db.center(); db.show(); final UserServiceAsync userService = GWT.create(UserService.class); final DepositServiceAsync depositService = GWT.create(DepositService.class); AsyncCallback<String> callback = new AsyncCallback<String>() { @Override public void onSuccess(String result) { AsyncCallback<Void> emailCallback = new AsyncCallback<Void>() { @Override public void onSuccess(Void result) { // TODO Auto-generated method stub //Do nothing } @Override public void onFailure(Throwable caught) { // TODO Auto-generated method stub } }; //Window.alert("Sent email"); if (result != null) { String[] recipients = new String[1]; recipients[0] = emailBox.getText(); userService.sendEmail(recipients, "Dataset ready for download!", "Your download is ready and can be obtained from the following url(s):\n" + result + ".\n\nThanks,\nSEAD Virtual Archive Team", emailCallback); } } @Override public void onFailure(Throwable caught) { // TODO Auto-generated method stub } }; depositService.getLinks(SeadApp.packageLinkURLnoEncoding(entityId), callback); } else { Window.alert("Email address cannot be empty"); } } }); cancel.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { emailId = ""; hidePanel(); } }); }
From source file:org.eclipse.emf.edit.ui.EditorEntryPoint.java
License:Open Source License
public void onModuleLoad() { ComposedAdapterFactory composedAdapterFactory = new ComposedAdapterFactory(); composedAdapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory()); configureItemProviderAdapterFactories(composedAdapterFactory); composedAdapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory()); final BasicCommandStack commandStack = new BasicCommandStack(); final AdapterFactoryEditingDomain editingDomain = new AdapterFactoryEditingDomain(composedAdapterFactory, commandStack);//w w w.jav a 2 s . co m final ResourceSet resourceSet = editingDomain.getResourceSet(); resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap() .put(Resource.Factory.Registry.DEFAULT_EXTENSION, new ResourceFactoryImpl() { @Override public Resource createResource(URI uri) { return new BinaryResourceImpl(uri); } }); final URIServiceAsync uriService = GWT.create(URIService.class); URIServiceCallback uriServiceCallback = new URIServiceCallback(uriService); resourceSet.getURIConverter().getURIHandlers().add(uriServiceCallback); final List<Resource> originalResources = new ArrayList<Resource>(); Resource listingResource = resourceSet.getResource(URI.createURI("datastore:/"), new Callback<Resource>() { public void onFailure(Throwable caught) { System.err.println("Failed"); caught.printStackTrace(); } public void onSuccess(Resource result) { EAnnotation eAnnotation = (EAnnotation) result.getContents().get(0); for (Map.Entry<String, String> entry : eAnnotation.getDetails()) { resourceSet.createResource(URI.createURI(entry.getKey())); } originalResources.clear(); originalResources.addAll(resourceSet.getResources()); } }); resourceSet.getResources().remove(listingResource); registerPackages(resourceSet.getPackageRegistry()); final AdapterFactoryItemDelegator itemDelegator = new AdapterFactoryItemDelegator(composedAdapterFactory); DockLayoutPanel mainPanel = new DockLayoutPanel(Unit.PX); mainPanel.setStyleName("Main", true); mainPanel.setHeight("100%"); FlowPanel headerPanel = new FlowPanel(); headerPanel.setStyleName("Header", true); final Label header = new Label(getApplicationTitle()); header.setStyleName("HeaderLabel", true); headerPanel.add(header); mainPanel.addNorth(headerPanel, 56.0); DockLayoutPanel bodyPanel = new DockLayoutPanel(Unit.PX); bodyPanel.setStyleName("Body", true); bodyPanel.setHeight("100%"); mainPanel.add(bodyPanel); FlowPanel toolBar = new FlowPanel(); toolBar.setStyleName("ToolBar", true); SplitLayoutPanel contentPanel = new SplitLayoutPanel(); contentPanel.setStyleName("Content", true); DockLayoutPanel propertiesPanel = new DockLayoutPanel(Unit.PX); propertiesPanel.setStyleName("Properties", true); propertiesPanel.setHeight("100%"); FlowPanel propertiesTitlePanel = new FlowPanel(); propertiesTitlePanel.setStyleName("PropertiesTitle", true); final Label title = new Label("Properties"); title.setStyleName("PropertiesTitleLabel", true); propertiesTitlePanel.add(title); propertiesPanel.addNorth(propertiesTitlePanel, 28.0); final Grid properties = new Grid(); properties.setWidth("100%"); ScrollPanel propertiesScrollPanel = new ScrollPanel(); propertiesScrollPanel.add(properties); propertiesPanel.add(propertiesScrollPanel); final Button createButton = new Button(); createButton.setText("Create..."); createButton.setStyleName("ToolBarButtonLeftMargin"); toolBar.add(createButton); final Button deleteButton = new Button(); deleteButton.setText("Delete"); final CommandHandler deleteCommandHandler = new CommandHandler(editingDomain, deleteButton) { @Override public Command createCommand(Object value) { if (value instanceof Resource) { final Resource resource = (Resource) value; final Command deleteContentsCommand = DeleteCommand.create(editingDomain, resource.getContents()); final RemoveCommand removeResourceCommand = new RemoveCommand(editingDomain, resourceSet.getResources(), resource); return new CompoundCommand() { @Override protected boolean prepare() { return true; } @Override public void execute() { appendAndExecute(deleteContentsCommand); appendAndExecute(removeResourceCommand); } }; } else { return DeleteCommand.create(editingDomain, value); } } }; deleteButton.setStyleName("ToolBarButton"); toolBar.add(deleteButton); final Button validateButton = new Button(); validateButton.setText("Validate"); validateButton.setStyleName("ToolBarButtonLeftMargin"); toolBar.add(validateButton); final Button saveButton = new Button(); saveButton.setText("Save"); saveButton.setStyleName("ToolBarButton"); toolBar.add(saveButton); final Button undoButton = new Button(); undoButton.setText("Undo"); undoButton.setStyleName("ToolBarButtonLeftMargin"); toolBar.add(undoButton); final Button redoButton = new Button(); redoButton.setText("Redo"); redoButton.setStyleName("ToolBarButton"); toolBar.add(redoButton); final Button cutButton = new Button(); cutButton.setText("Cut"); final CommandHandler cutCommandHandler = new CommandHandler(editingDomain, cutButton) { @Override public Command createCommand(Object value) { return CutToClipboardCommand.create(editingDomain, value); } }; cutButton.setStyleName("ToolBarButtonLeftMargin"); toolBar.add(cutButton); final Button copyButton = new Button(); copyButton.setText("Copy"); final CommandHandler copyCommandHandler = new CommandHandler(editingDomain, copyButton) { @Override public Command createCommand(Object value) { return value instanceof EObject ? CopyToClipboardCommand.create(editingDomain, value) : UnexecutableCommand.INSTANCE; } }; copyButton.setStyleName("ToolBarButton"); toolBar.add(copyButton); final Button pasteButton = new Button(); pasteButton.setText("Paste"); final CommandHandler pasteCommandHandler = new CommandHandler(editingDomain, pasteButton) { @Override public Command createCommand(Object value) { return PasteFromClipboardCommand.create(editingDomain, value, null); } }; pasteButton.setStyleName("ToolBarButton"); toolBar.add(pasteButton); final Button upButton = new Button(); upButton.setText("Up ^"); final CommandHandler upCommandHandler = new CommandHandler(editingDomain, upButton) { @Override public Command createCommand(Object value) { Object owner = editingDomain.getParent(value); if (owner != null) { List<?> children = new ArrayList<Object>(editingDomain.getChildren(owner)); int index = children.indexOf(value); if (index != -1) { return MoveCommand.create(editingDomain, owner, null, value, index - 1); } } return UnexecutableCommand.INSTANCE; } }; upButton.setStyleName("ToolBarButtonLeftMargin"); toolBar.add(upButton); final Button downButton = new Button(); downButton.setText("Down v"); final CommandHandler downCommandHandler = new CommandHandler(editingDomain, downButton) { @Override public Command createCommand(Object value) { Object owner = editingDomain.getParent(value); if (owner != null) { List<?> children = new ArrayList<Object>(editingDomain.getChildren(owner)); int index = children.indexOf(value); if (index != -1) { return MoveCommand.create(editingDomain, owner, null, value, index + 1); } } return UnexecutableCommand.INSTANCE; } }; downButton.setStyleName("ToolBarButton"); toolBar.add(downButton); final Button navigateButton = new Button(); navigateButton.setText("Navigate"); navigateButton.setEnabled(false); navigateButton.setStyleName("ToolBarButtonLeftMargin"); toolBar.add(navigateButton); final SingleSelectionModel<Object> treeSelection = new SingleSelectionModel<Object>(); final Collection<Runnable> propertyUpdater = new HashSet<Runnable>(); TreeViewModel treeViewModel = new TreeViewModel() { public <T> NodeInfo<?> getNodeInfo(final T value) { final ListDataProvider<Object> abstractListViewAdapter = new ListDataProvider<Object>() { int size; class NodeAdapter extends AdapterImpl implements INotifyChangedListener { Set<Object> children = new HashSet<Object>(); @Override public void notifyChanged(Notification msg) { if (msg.getEventType() != Notification.REMOVING_ADAPTER) { update(); if (!(msg.getNotifier() instanceof EObject)) { for (Runnable runnable : propertyUpdater) { runnable.run(); } } } } public void listenTo(Object target) { if (target instanceof Notifier) { ((Notifier) target).eAdapters().add(this); } else if (target instanceof IChangeNotifier) { ((IChangeNotifier) target).addListener(this); } } public void stopListeningTo(Object target) { if (target instanceof Notifier) { ((Notifier) target).eAdapters().remove(this); } else if (target instanceof IChangeNotifier) { ((IChangeNotifier) target).removeListener(this); } } public void listenTo(List<Object> children) { // TODO // I don't know how to update just one child. :-( boolean isListeningToValue = !this.children.isEmpty(); Set<Object> oldChildren = new HashSet<Object>(this.children); for (Object child : children) { if (this.children.contains(child)) { oldChildren.remove(child); } else { this.children.add(child); listenTo(child); } } for (Object child : oldChildren) { stopListeningTo(child); this.children.remove(child); } if (isListeningToValue) { if (children.isEmpty()) { stopListeningTo(value); } } else if (!children.isEmpty()) { listenTo(value); } } } protected NodeAdapter nodeAdapter = new NodeAdapter(); @Override protected void onRangeChanged(HasData<Object> display) { if (value instanceof Resource) { Resource resource = (Resource) value; if (!resource.isLoaded()) { try { resource.load(resourceSet.getLoadOptions()); } catch (IOException e) { // Ignore. } } } update(); } protected void update() { Collection<?> children = itemDelegator.getChildren(value); ArrayList<Object> childrenList = new ArrayList<Object>(children); nodeAdapter.listenTo(childrenList); int size = children.size(); if (this.size < size) { updateRowCount(size, true); this.size = size; } else { // Pad with dummy objects. for (int i = size; i < this.size; ++i) { childrenList.add(new Object()); } } updateRowData(0, childrenList); if (this.size > size) { updateRowCount(size, true); this.size = size; } } }; Cell<Object> cell = new AbstractCell<Object>() { @Override public void render(Context context, Object value, SafeHtmlBuilder safeHtmlBuilder) { StringBuilder sb = new StringBuilder(); Object image = itemDelegator.getImage(value); if (image instanceof ImageResource) { ImageResource imageResource = (ImageResource) image; sb.append("<div style='position:relative;padding-left:"); sb.append(imageResource.getWidth() + 6); sb.append("px;'>"); sb.append("<div style=\"position:absolute;left:0px;top:0px;height:100%;"); sb.append("width:").append(imageResource.getWidth()).append("px;"); sb.append("background:url('").append(imageResource.getSafeUri()).append("') "); sb.append("no-repeat scroll center center transparent;"); sb.append("\"></div>"); sb.append(itemDelegator.getText(value)); sb.append("</div>"); } else if (image instanceof ComposedImage) { ComposedImage composedImage = (ComposedImage) image; List<ComposedImage.Size> sizes = new ArrayList<ComposedImage.Size>(); List<Object> images = new ArrayList<Object>(composedImage.getImages()); List<ImageData> nestedImagesData = new ArrayList<ImageData>(); for (Object nestedImage : images) { ImageData nestedImageData = getImageData(nestedImage); ComposedImage.Size size = new ComposedImage.Size(); size.height = nestedImageData.height; size.width = nestedImageData.width; sizes.add(size); nestedImagesData.add(nestedImageData); } ComposedImage.Size size = composedImage.getSize(sizes); sb.append("<div style='position:relative;padding-left:"); sb.append(size.width + 6); sb.append("px;'>"); List<ComposedImage.Point> drawPoints = composedImage.getDrawPoints(size); int i = 0; for (ComposedImage.Point drawPoint : drawPoints) { ImageResource nestedImage = (ImageResource) images.get(i++); sb.append("<div style=\"position:absolute;left:").append(drawPoint.x) .append("px;top:").append(drawPoint.y).append("px;height:100%;"); sb.append("width:").append(nestedImage.getWidth()).append("px;"); sb.append("background:url('").append(nestedImage.getSafeUri()).append("') "); sb.append("no-repeat scroll center center transparent;"); sb.append("\"></div>"); } sb.append(itemDelegator.getText(value)); sb.append("</div>"); } else { sb.append(itemDelegator.getText(value)); } safeHtmlBuilder.appendHtmlConstant(sb.toString()); } }; return new DefaultNodeInfo<Object>(abstractListViewAdapter, cell, treeSelection, null); } public boolean isLeaf(Object value) { return !itemDelegator.hasChildren(value); } }; treeSelection.setSelected(resourceSet, true); final MyCellTree cellTree = new MyCellTree(treeViewModel, new ItemProvider(Collections.singleton(resourceSet))); ScrollPanel treeScrollPanel = new ScrollPanel(); treeScrollPanel.add(cellTree); class NavigationListener { Object selection; { navigateButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { final Object oldSelection = treeSelection.getSelectedObject(); Object newSelection = selection; cellTree.expand(editingDomain.getTreePath(editingDomain.getParent(newSelection))); treeSelection.setSelected(newSelection, true); Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() { public void execute() { setSelection(oldSelection); } }); } }); } public void listenTo(final ListBox listBox, final List<?> values) { listBox.addFocusHandler(new FocusHandler() { protected HandlerRegistration changeHandlerRegistration; { listBox.addBlurHandler(new BlurHandler() { public void onBlur(BlurEvent event) { if (changeHandlerRegistration != null) { changeHandlerRegistration.removeHandler(); changeHandlerRegistration = null; } } }); } public void onFocus(FocusEvent event) { updateSelection(); changeHandlerRegistration = listBox.addChangeHandler(new ChangeHandler() { public void onChange(ChangeEvent event) { updateSelection(); } }); } void updateSelection() { int selectedIndex = listBox.getSelectedIndex(); setSelection(selectedIndex == -1 || selectedIndex >= values.size() ? null : values.get(selectedIndex)); } }); } protected void setSelection(Object object) { if (object != selection) { selection = object; navigateButton.setEnabled(selection != null); } } } final NavigationListener navigationListener = new NavigationListener(); treeSelection.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { protected Object oldSelection; public void onSelectionChange(SelectionChangeEvent event) { final Object object = treeSelection.getSelectedObject(); deleteCommandHandler.setSelection(object); cutCommandHandler.setSelection(object); pasteCommandHandler.setSelection(object); copyCommandHandler.setSelection(object); upCommandHandler.setSelection(object); downCommandHandler.setSelection(object); createButton.setEnabled(object instanceof Resource || object instanceof ResourceSet || !editingDomain.getNewChildDescriptors(object, null).isEmpty()); if (oldSelection == object) { for (Runnable runnable : propertyUpdater) { runnable.run(); } } else { navigationListener.setSelection(null); oldSelection = object; List<IItemPropertyDescriptor> propertyDescriptors = itemDelegator .getPropertyDescriptors(object); if (propertyDescriptors != null) { properties.clear(); propertyUpdater.clear(); int size = propertyDescriptors.size(); properties.resize(size, 2); properties.getColumnFormatter().setWidth(0, "10%"); properties.getColumnFormatter().setWidth(1, "90%"); for (int i = 0; i < size; ++i) { final IItemPropertyDescriptor propertyDescriptor = propertyDescriptors.get(i); properties.setText(i, 0, propertyDescriptor.getDisplayName(object)); Widget widget = null; final IItemLabelProvider itemLabelProvider = propertyDescriptor .getLabelProvider(object); final Object feature = propertyDescriptor.getFeature(object); if (feature instanceof EReference[]) { final ItemPropertyDescriptorFeatureEditor dialog = new ItemPropertyDescriptorFeatureEditor( object, true, propertyDescriptor) { @Override protected void hook(ListBox listBox, List<?> values) { navigationListener.listenTo(listBox, values); } }; dialog.update(); widget = dialog; propertyUpdater.add(new Runnable() { public void run() { dialog.update(); } }); } else if (feature instanceof EStructuralFeature) { final EStructuralFeature eStructureFeature = (EStructuralFeature) feature; final EClassifier eType = eStructureFeature.getEType(); final Collection<?> choiceOfValues = propertyDescriptor.getChoiceOfValues(object); if (choiceOfValues != null) { final List<?> listOfValues = new ArrayList<Object>( propertyDescriptor.getChoiceOfValues(object)); if (propertyDescriptor.isMany(object)) { boolean valid = true; for (Object choice : choiceOfValues) { if (!eType.isInstance(choice)) { valid = false; break; } } if (valid) { final ItemPropertyDescriptorFeatureEditor dialog = new ItemPropertyDescriptorFeatureEditor( object, true, propertyDescriptor) { @Override protected void hook(ListBox listBox, List<?> values) { navigationListener.listenTo(listBox, values); } }; dialog.update(); widget = dialog; propertyUpdater.add(new Runnable() { public void run() { dialog.update(); } }); } } if (widget == null) { final ListBox listBox = new ListBox(); widget = listBox; listBox.setVisibleItemCount(1); Runnable runnable = new Runnable() { public void run() { listBox.clear(); navigationListener.listenTo(listBox, listOfValues); Object propertyValue = itemDelegator.getEditableValue( propertyDescriptor.getPropertyValue(object)); for (Object value : choiceOfValues) { listBox.addItem(itemLabelProvider.getText(value)); if (value == null ? propertyValue == null : value.equals(propertyValue)) { listBox.setSelectedIndex(listBox.getItemCount() - 1); } } } }; listBox.addChangeHandler(new ChangeHandler() { public void onChange(ChangeEvent event) { Object value = listOfValues.get(listBox.getSelectedIndex()); propertyDescriptor.setPropertyValue(object, value); } }); runnable.run(); propertyUpdater.add(runnable); } } else if (eType instanceof EDataType) { final EDataType eDataType = (EDataType) eType; if (eDataType.isSerializable()) { if (propertyDescriptor.isMany(object)) { final ItemPropertyDescriptorFeatureEditor dialog = new ItemPropertyDescriptorFeatureEditor( object, propertyDescriptor) { @Override protected void hook(ListBox listBox, List<?> values) { navigationListener.listenTo(listBox, values); } }; dialog.update(); widget = dialog; propertyUpdater.add(new Runnable() { public void run() { dialog.update(); } }); } else { if (eDataType.getInstanceClass() == Date.class) { final DateBox dateBox = new DateBox(); widget = dateBox; Runnable runnable = new Runnable() { public void run() { Object propertyValue = itemDelegator.getEditableValue( propertyDescriptor.getPropertyValue(object)); dateBox.setValue((Date) propertyValue); } }; dateBox.addValueChangeHandler(new ValueChangeHandler<Date>() { public void onValueChange(ValueChangeEvent<Date> event) { propertyDescriptor.setPropertyValue(object, event.getValue()); } }); runnable.run(); propertyUpdater.add(runnable); } else if (eDataType.getInstanceClass() == Boolean.class || eDataType.getInstanceClass() == boolean.class) { final CheckBox checkBox = new CheckBox(); widget = checkBox; Runnable runnable = new Runnable() { public void run() { Object propertyValue = itemDelegator.getEditableValue( propertyDescriptor.getPropertyValue(object)); checkBox.setValue(Boolean.TRUE.equals(propertyValue)); } }; checkBox.addValueChangeHandler(new ValueChangeHandler<Boolean>() { public void onValueChange(ValueChangeEvent<Boolean> event) { propertyDescriptor.setPropertyValue(object, event.getValue()); } }); runnable.run(); propertyUpdater.add(runnable); } else if (propertyDescriptor.isMultiLine(object)) { final TextArea textArea = new TextArea(); widget = textArea; Runnable runnable = new Runnable() { public void run() { Object propertyValue = itemDelegator.getEditableValue( propertyDescriptor.getPropertyValue(object)); textArea.setText(EcoreUtil.convertToString(eDataType, propertyValue)); } }; textArea.addValueChangeHandler(new ValueChangeHandler<String>() { public void onValueChange(ValueChangeEvent<String> event) { propertyDescriptor.setPropertyValue(object, EcoreUtil .createFromString(eDataType, event.getValue())); } }); runnable.run(); propertyUpdater.add(runnable); } else { final TextBox textBox = new TextBox(); widget = textBox; textBox.addValueChangeHandler(new ValueChangeHandler<String>() { public void onValueChange(ValueChangeEvent<String> event) { String value = event.getValue(); propertyDescriptor.setPropertyValue(object, EcoreUtil.createFromString(eDataType, value)); // TOD0 // commandStack.execute(SetCommand.create(editingDomain, object, feature, EcoreUtil.createFromString(eDataType, value))); } }); Runnable runnable = new Runnable() { public void run() { Object propertyValue = itemDelegator.getEditableValue( propertyDescriptor.getPropertyValue(object)); String stringValue = EcoreUtil.convertToString(eDataType, propertyValue); if (!textBox.getText().equals(stringValue)) { textBox.setText(stringValue); } } }; runnable.run(); propertyUpdater.add(runnable); } } } } } else { final TextBox textBox = new TextBox(); widget = textBox; textBox.addValueChangeHandler(new ValueChangeHandler<String>() { public void onValueChange(ValueChangeEvent<String> event) { String value = event.getValue(); propertyDescriptor.setPropertyValue(object, value); } }); Runnable runnable = new Runnable() { public void run() { Object propertyValue = itemDelegator .getEditableValue(propertyDescriptor.getPropertyValue(object)); String stringValue = propertyValue == null ? null : propertyDescriptor.getLabelProvider(object) .getText(propertyValue); if (!textBox.getText().equals(stringValue)) { textBox.setText(stringValue); } } }; runnable.run(); propertyUpdater.add(runnable); } if (widget != null) { widget.setWidth("95%"); properties.setWidget(i, 1, widget); if (!propertyDescriptor.canSetProperty(object) && widget instanceof FocusWidget) { ((FocusWidget) widget).setEnabled(false); } } } } } } }); contentPanel.addWest(treeScrollPanel, 400); contentPanel.add(propertiesPanel); bodyPanel.addNorth(toolBar, 28.0); bodyPanel.add(contentPanel); RootPanel.get("main").add(mainPanel); createButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { Object selection = treeSelection.getSelectedObject(); if (selection instanceof ResourceSet) { final DialogBox dialogBox = new DialogBox(); dialogBox.setText("Create Resource"); final Button okButton = new Button("OK"); final Button cancelButton = new Button("Cancel"); VerticalPanel verticalPanel = new VerticalPanel(); Grid grid = new Grid(); grid.setWidth("50em"); grid.resize(3, 2); grid.getColumnFormatter().setWidth(0, "15%"); grid.getColumnFormatter().setWidth(1, "85%"); Label uriLabel = new Label(); uriLabel.setText("URI"); final TextBox uriText = new TextBox(); uriText.setWidth("90%"); int count = 1; while (resourceSet.getResource(URI.createURI("datastore:/resource" + count), false) != null) { ++count; } uriText.setValue("datastore:/resource" + count); uriText.selectAll(); final Label message = new Label(); uriText.addValueChangeHandler(new ValueChangeHandler<String>() { public void onValueChange(ValueChangeEvent<String> event) { String value = event.getValue(); try { if (resourceSet.getResource(URI.createURI(value), false) != null) { message.setText("This URI a duplicate"); okButton.setEnabled(false); } else { message.setText(""); okButton.setEnabled(true); } } catch (RuntimeException exception) { message.setText("This URI is not a well formed"); okButton.setEnabled(false); } } }); grid.setWidget(0, 0, uriLabel); grid.setWidget(0, 1, uriText); verticalPanel.add(grid); grid.setWidget(1, 1, message); grid.setWidget(2, 0, okButton); grid.setWidget(2, 1, cancelButton); dialogBox.setWidget(verticalPanel); dialogBox.show(); uriText.setFocus(true); // dialogBox.setWidth("50em"); okButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); commandStack.execute(new AbstractCommand() { Collection<?> affectedObjects; Resource resource; @Override protected boolean prepare() { return true; } public void redo() { resourceSet.getResources().add(resource); affectedObjects = Collections.singleton(resource); } @Override public void undo() { resourceSet.getResources().remove(resource); affectedObjects = Collections.singleton(resourceSet); } public void execute() { resource = resourceSet.createResource(URI.createURI(uriText.getValue())); resource.getContents().clear(); affectedObjects = Collections.singleton(resource); } @Override public Collection<?> getAffectedObjects() { return affectedObjects; } }); } }); cancelButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); } }); } else if (selection instanceof Resource) { final Resource resource = (Resource) selection; final DialogBox dialogBox = new DialogBox(); dialogBox.setText("Create Object"); final ListBox listBox = new ListBox(); listBox.setVisibleItemCount(1); Registry packageRegistry = resourceSet.getPackageRegistry(); for (String nsURI : packageRegistry.keySet()) { EPackage ePackage = packageRegistry.getEPackage(nsURI); for (EClassifier eClassifier : ePackage.getEClassifiers()) { if (eClassifier instanceof EClass) { EClass eClass = (EClass) eClassifier; if (!eClass.isAbstract()) { EObject eObject = EcoreUtil.create(eClass); listBox.addItem("New " + itemDelegator.getText(eObject), EcoreUtil.getURI(eClass).toString()); } } } } final Button okButton = new Button("OK"); final Button cancelButton = new Button("Cancel"); VerticalPanel verticalPanel = new VerticalPanel(); Grid grid = new Grid(); grid.setWidth("50em"); grid.resize(2, 2); grid.getColumnFormatter().setWidth(0, "15%"); grid.getColumnFormatter().setWidth(1, "85%"); Label classLabel = new Label(); classLabel.setText("Class"); grid.setWidget(0, 0, classLabel); grid.setWidget(0, 1, listBox); verticalPanel.add(grid); // verticalPanel.add(okButton); grid.setWidget(1, 0, okButton); grid.setWidget(1, 1, cancelButton); dialogBox.setWidget(verticalPanel); dialogBox.show(); listBox.setFocus(true); // dialogBox.setWidth("50em"); okButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); commandStack.execute(new AbstractCommand() { EObject eObject; Collection<?> affectedObjects; @Override protected boolean prepare() { return true; } public void redo() { resource.getContents().add(eObject); affectedObjects = Collections.singleton(eObject); } @Override public void undo() { resource.getContents().remove(eObject); affectedObjects = Collections.singleton(resource); } public void execute() { eObject = EcoreUtil.create((EClass) resourceSet.getEObject( URI.createURI(listBox.getValue(listBox.getSelectedIndex())), false)); resource.getContents().add(eObject); affectedObjects = Collections.singleton(eObject); } @Override public Collection<?> getAffectedObjects() { return affectedObjects; } }); } }); cancelButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); } }); } else { Collection<?> newChildDescriptors = editingDomain.getNewChildDescriptors(selection, null); final DialogBox dialogBox = new DialogBox(); dialogBox.setText("Create Object"); final ListBox listBox = new ListBox(); final List<Command> commands = new ArrayList<Command>(); listBox.setVisibleItemCount(1); for (Object descriptor : newChildDescriptors) { Command command = CreateChildCommand.create(editingDomain, selection, descriptor, Collections.singleton(selection)); commands.add(command); listBox.addItem(command.getLabel()); } final Button okButton = new Button("OK"); final Button cancelButton = new Button("Cancel"); VerticalPanel verticalPanel = new VerticalPanel(); Grid grid = new Grid(); grid.setWidth("50em"); grid.resize(2, 2); grid.getColumnFormatter().setWidth(0, "15%"); grid.getColumnFormatter().setWidth(1, "85%"); Label classLabel = new Label(); classLabel.setText("Class"); grid.setWidget(0, 0, classLabel); grid.setWidget(0, 1, listBox); verticalPanel.add(grid); // verticalPanel.add(okButton); grid.setWidget(1, 0, okButton); grid.setWidget(1, 1, cancelButton); dialogBox.setWidget(verticalPanel); dialogBox.show(); listBox.setFocus(true); // dialogBox.setWidth("50em"); okButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); commandStack.execute(commands.get(listBox.getSelectedIndex())); } }); cancelButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); } }); } } }); saveButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { EList<Resource> resources = resourceSet.getResources(); for (Resource resource : resources) { try { if (resource.isLoaded()) { Map<String, Object> options = null; if (originalResources.contains(resource)) { options = new HashMap<String, Object>(); options.put(URIConverter.OPTION_UPDATE_ONLY_IF_TIME_STAMP_MATCHES, resource.getTimeStamp()); } resource.save(options, new Callback<Resource>() { public void onFailure(Throwable caught) { final DialogBox dialogBox = new DialogBox(); dialogBox.setText("Save conflict"); final Button okButton = new Button("OK"); final Tree tree = new Tree(); tree.addItem(SafeHtmlUtils.fromString(caught.getLocalizedMessage())); Grid grid = new Grid(); grid.setWidth("150em"); grid.resize(2, 1); grid.setWidget(0, 0, tree); grid.setWidget(1, 0, okButton); dialogBox.setWidget(grid); dialogBox.show(); okButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); } }); } public void onSuccess(Resource result) { // TODO Auto-generated method stub } }); } } catch (IOException exception) { EMFEditUIPlugin.INSTANCE.log(exception); } } for (Resource resource : originalResources) { if (!resources.contains(resource)) { Map<String, Object> options = null; if (resource.isLoaded()) { options = new HashMap<String, Object>(); options.put(URIConverter.OPTION_UPDATE_ONLY_IF_TIME_STAMP_MATCHES, resource.getTimeStamp()); } resourceSet.getURIConverter().delete(resource.getURI(), options, new Callback<Map<?, ?>>() { public void onFailure(Throwable caught) { final DialogBox dialogBox = new DialogBox(); dialogBox.setText("Delete conflict"); final Button okButton = new Button("OK"); final Tree tree = new Tree(); tree.addItem(SafeHtmlUtils.fromString(caught.getLocalizedMessage())); Grid grid = new Grid(); grid.setWidth("150em"); grid.resize(2, 1); grid.setWidget(0, 0, tree); grid.setWidget(1, 0, okButton); dialogBox.setWidget(grid); dialogBox.show(); okButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); } }); } public void onSuccess(Map<?, ?> result) { // TODO Auto-generated method stub } }); } } originalResources.clear(); originalResources.addAll(resources); commandStack.saveIsDone(); saveButton.setEnabled(false); } }); validateButton.addClickHandler(new ClickHandler() { protected TreeItem createTreeItems(Diagnostic diagnostic) { TreeItem treeItem = new TreeItem(SafeHtmlUtils.fromString(diagnostic.getMessage())); List<?> data = diagnostic.getData(); if (!data.isEmpty()) { treeItem.setUserObject(data.get(0)); } for (Diagnostic child : diagnostic.getChildren()) { treeItem.addItem(createTreeItems(child)); } return treeItem; } public void onClick(ClickEvent event) { Diagnostician diagnostician = new Diagnostician() { @Override public String getObjectLabel(EObject eObject) { return !eObject.eIsProxy() ? itemDelegator.getText(eObject) : super.getObjectLabel(eObject); } }; Map<Object, Object> context = diagnostician.createDefaultContext(); EList<Resource> resources = resourceSet.getResources(); BasicDiagnostic diagnostics = new BasicDiagnostic(); for (Resource resource : resources) { if (resource.isLoaded()) { for (EObject eObject : resource.getContents()) { diagnostician.validate(eObject, diagnostics, context); } } } final DialogBox dialogBox = new DialogBox(); dialogBox.setText("Problems"); final Button okButton = new Button("OK"); final Tree tree = new Tree(); if (diagnostics.getSeverity() == Diagnostic.OK) { tree.addItem(SafeHtmlUtils.fromString("No problems detected")); } else { for (Diagnostic child : diagnostics.getChildren()) { tree.addItem(createTreeItems(child)); } } Grid grid = new Grid(); grid.setWidth("150em"); grid.resize(2, 1); grid.setWidget(0, 0, tree); grid.setWidget(1, 0, okButton); dialogBox.setWidget(grid); dialogBox.show(); okButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { TreeItem treeItem = tree.getSelectedItem(); if (treeItem != null) { Object newSelection = treeItem.getUserObject(); if (newSelection != null) { cellTree.expand(editingDomain.getTreePath(editingDomain.getParent(newSelection))); treeSelection.setSelected(newSelection, true); } } dialogBox.hide(); } }); } }); saveButton.setEnabled(false); undoButton.setEnabled(false); redoButton.setEnabled(false); commandStack.addCommandStackListener(new CommandStackListener() { public void commandStackChanged(EventObject event) { saveButton.setEnabled(commandStack.isSaveNeeded()); undoButton.setEnabled(commandStack.canUndo()); redoButton.setEnabled(commandStack.canRedo()); Command mostRecentCommand = ((CommandStack) event.getSource()).getMostRecentCommand(); if (mostRecentCommand != null) { Collection<?> affectedObjects = mostRecentCommand.getAffectedObjects(); if (!affectedObjects.isEmpty()) { Object newSelection = affectedObjects.iterator().next(); cellTree.expand(editingDomain.getTreePath(editingDomain.getParent(newSelection))); if (treeSelection.getSelectedObject() == newSelection) { for (Runnable runnable : propertyUpdater) { runnable.run(); } } else { treeSelection.setSelected(newSelection, true); } } } } }); undoButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { commandStack.undo(); } }); redoButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { commandStack.redo(); } }); }