List of usage examples for com.google.gwt.view.client SingleSelectionModel setSelected
public void setSelected(T object, boolean selected)
From source file:com.dingziran.effective.client.Showcase.java
License:Apache License
/** * This is the entry point method.//from w w w . j a v a2 s . co m */ public void onModuleLoad() { factory = GWT.create(Factory.class); eventBus = new SimpleEventBus(); factory.initialize(eventBus); // Inject global styles. injectThemeStyleSheet(); images.css().ensureInjected(); // Initialize the constants. ShowcaseConstants constants = GWT.create(ShowcaseConstants.class); // Create the application shell. final SingleSelectionModel<ContentWidget> selectionModel = new SingleSelectionModel<ContentWidget>(); final MainMenuTreeViewModel treeModel = new MainMenuTreeViewModel(constants, selectionModel); Set<ContentWidget> contentWidgets = treeModel.getAllContentWidgets(); shell = new ShowcaseShell(treeModel); RootLayoutPanel.get().add(shell); final CellTree mainMenu = shell.getMainMenu(); /* // Prefetch examples when opening the Category tree nodes. final List<Category> prefetched = new ArrayList<Category>(); mainMenu.addOpenHandler(new OpenHandler<TreeNode>() { public void onOpen(OpenEvent<TreeNode> event) { Object value = event.getTarget().getValue(); if (!(value instanceof Category)) { return; } Category category = (Category) value; if (!prefetched.contains(category)) { prefetched.add(category); Prefetcher.prefetch(category.getSplitPoints()); } } }); // Always prefetch. Prefetcher.start(); */ // Change the history token when a main menu item is selected. selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { public void onSelectionChange(SelectionChangeEvent event) { ContentWidget selected = selectionModel.getSelectedObject(); if (selected != null) { History.newItem(getContentWidgetToken(selected), true); } } }); // Setup a history handler to reselect the associate menu item. final ValueChangeHandler<String> historyHandler = new ValueChangeHandler<String>() { public void onValueChange(ValueChangeEvent<String> event) { // Get the content widget associated with the history token. ContentWidget contentWidget = treeModel.getContentWidgetForToken(event.getValue()); if (contentWidget == null) { return; } // Expand the tree node associated with the content. Category category = treeModel.getCategoryForContentWidget(contentWidget); TreeNode node = mainMenu.getRootTreeNode(); int childCount = node.getChildCount(); for (int i = 0; i < childCount; i++) { if (node.getChildValue(i) == category) { node.setChildOpen(i, true, true); break; } } // Select the node in the tree. selectionModel.setSelected(contentWidget, true); // Display the content widget. displayContentWidget(contentWidget); } }; History.addValueChangeHandler(historyHandler); // Show the initial example. if (History.getToken().length() > 0) { History.fireCurrentHistoryState(); } else { // Use the first token available. TreeNode root = mainMenu.getRootTreeNode(); TreeNode category = root.setChildOpen(0, true); ContentWidget content = (ContentWidget) category.getChildValue(0); selectionModel.setSelected(content, true); } // Generate a site map. createSiteMap(contentWidgets); }
From source file:com.github.gwt.sample.showcase.client.Showcase.java
License:Apache License
private void bindHistory(final SingleSelectionModel<Widget> selectionModel, final LeftMenuTreeViewModel treeModel) { // Setup a history handler to reselect the associate menu item. final CellTree mainMenu = showCase.getMainMenu(); // Change the history token when a main menu item is selected. selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { public void onSelectionChange(SelectionChangeEvent event) { Widget selected = selectionModel.getSelectedObject(); if (selected != null) { History.newItem(selected.getTitle(), true); }/*from w w w .j av a 2 s . c om*/ } }); final ValueChangeHandler<String> historyHandler = new ValueChangeHandler<String>() { public void onValueChange(ValueChangeEvent<String> event) { // Get the content widget associated with the history token. Widget contentWidget = treeModel.getWidget(event.getValue()); if (contentWidget == null) { return; } // Expand the tree node associated with the content. LeftMenuTreeViewModel.Category category = treeModel.getCategoryForWidget(contentWidget); TreeNode node = mainMenu.getRootTreeNode(); int childCount = node.getChildCount(); for (int i = 0; i < childCount; i++) { if (node.getChildValue(i) == category) { node.setChildOpen(i, true, true); break; } } // Select the node in the tree. selectionModel.setSelected(contentWidget, true); // Display the content widget. displayContentWidget(contentWidget); } /** * Set the content to the {@link com.google.gwt.user.client.ui.Widget}. * * @param content the {@link com.google.gwt.user.client.ui.Widget} to display */ private void displayContentWidget(Widget content) { if (content == null) { return; } showCase.setContent(content); Window.setTitle("Showcase of Features: " + content.getTitle()); } }; History.addValueChangeHandler(historyHandler); }
From source file:com.github.gwt.sample.showcase.client.Showcase.java
License:Apache License
private void showInitialExample(final SingleSelectionModel<Widget> selectionModel) { final CellTree mainMenu = showCase.getMainMenu(); // Show the initial example. if (History.getToken().length() > 0) { History.fireCurrentHistoryState(); } else {//from w w w. ja v a 2 s.c o m // Use the first token available. TreeNode root = mainMenu.getRootTreeNode(); TreeNode category = root.setChildOpen(0, true); Widget content = (Widget) category.getChildValue(0); selectionModel.setSelected(content, true); } }
From source file:com.google.appinventor.client.wizards.TemplateUploadWizard.java
License:Open Source License
/** * Creates the scrollable list of cells each of which serves as a link to a template. * * @param list an ArrayList of TemplateInfo * @return A CellList widget//from www . ja va 2 s. co m */ public CellList<TemplateInfo> makeTemplateSelector(ArrayList<TemplateInfo> list) { TemplateCell templateCell = new TemplateCell(list.get(0), templateHostUrl); CellList<TemplateInfo> templateCellList = new CellList<TemplateInfo>(templateCell, TemplateInfo.KEY_PROVIDER); templateCellList.setPageSize(list.size() + 10); templateCellList.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); templateCellList.setWidth("250px"); templateCellList.setHeight("400px"); templateCellList.setVisible(true); // Add a selection model to handle user selection. final SingleSelectionModel<TemplateInfo> selectionModel = new SingleSelectionModel<TemplateInfo>( TemplateInfo.KEY_PROVIDER); templateCellList.setSelectionModel(selectionModel); selectionModel.setSelected(list.get(0), true); final TemplateUploadWizard wizard = this; selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { public void onSelectionChange(SelectionChangeEvent event) { TemplateInfo selected = selectionModel.getSelectedObject(); if (selected != null) { selectedTemplateNAME = selected.name; TemplateWidget.setTemplate(selected, wizard.getTemplateUrlHost()); } } }); // Set the total row count. This isn't strictly necessary, but it affects // paging calculations, so its good habit to keep the row count up to date. templateCellList.setRowCount(list.size(), true); // Push the data into the widget. templateCellList.setRowData(0, list); return templateCellList; }
From source file:com.google.gwt.sample.mobilewebapp.client.desktop.MobileWebAppShellDesktop.java
License:Apache License
/** * Construct a new {@link MobileWebAppShellDesktop}. */// ww w .j a va 2 s .co m public MobileWebAppShellDesktop(EventBus bus, TaskChartPresenter pieChart, final PlaceController placeController, TaskListView taskListView, TaskEditView taskEditView, TaskReadView taskReadView) { // Initialize the main menu. Resources resources = GWT.create(Resources.class); mainMenu = new CellList<MainMenuItem>(new MainMenuItem.Cell(), resources); mainMenu.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.DISABLED); // We don't expect to have more than 30 menu items. mainMenu.setVisibleRange(0, 30); // Add items to the main menu. final List<MainMenuItem> menuItems = new ArrayList<MainMenuItem>(); menuItems.add(new MainMenuItem("Task List", new TaskListPlace(false)) { @Override public boolean mapsToPlace(Place p) { // Map to all TaskListPlace instances. return p instanceof TaskListPlace; } }); menuItems.add(new MainMenuItem("Add Task", TaskPlace.getTaskCreatePlace())); mainMenu.setRowData(menuItems); // Choose a place when a menu item is selected. final SingleSelectionModel<MainMenuItem> selectionModel = new SingleSelectionModel<MainMenuItem>(); selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { public void onSelectionChange(SelectionChangeEvent event) { MainMenuItem selected = selectionModel.getSelectedObject(); if (selected != null && !selected.mapsToPlace(placeController.getWhere())) { placeController.goTo(selected.getPlace()); } } }); mainMenu.setSelectionModel(selectionModel); // Update selection based on the current place. bus.addHandler(PlaceChangeEvent.TYPE, new PlaceChangeEvent.Handler() { public void onPlaceChange(PlaceChangeEvent event) { Place place = event.getNewPlace(); for (MainMenuItem menuItem : menuItems) { if (menuItem.mapsToPlace(place)) { // We found a match in the main menu. selectionModel.setSelected(menuItem, true); return; } } // We didn't find a match in the main menu. selectionModel.setSelected(null, true); } }); // Initialize this widget. initWidget(uiBinder.createAndBindUi(this)); // Initialize the pie chart. String chartUrlValue = Window.Location.getParameter(CHART_URL_ATTRIBUTE); if (chartUrlValue != null && chartUrlValue.startsWith("f")) { // Chart manually disabled. leftNav.remove(1); // Pie Chart. leftNav.remove(0); // Pie chart legend. } else if (pieChart == null) { // Chart not supported. pieChartContainer.setWidget(new Label("Try upgrading to a modern browser to enable charts.")); } else { // Chart supported. Widget pieWidget = pieChart.asWidget(); pieWidget.setWidth("90%"); pieWidget.setHeight("90%"); pieWidget.getElement().getStyle().setMarginLeft(5.0, Unit.PCT); pieWidget.getElement().getStyle().setMarginTop(5.0, Unit.PCT); pieChartContainer.setWidget(pieChart); } /* * Add all views to the DeckLayoutPanel so we can animate between them. * Using a DeckLayoutPanel here works because we only have a few views, and * we always know that the task views should animate in from the right side * of the screen. A more complex app will require more complex logic to * figure out which direction to animate. */ contentContainer.add(taskListView); contentContainer.add(taskReadView); contentContainer.add(taskEditView); contentContainer.setAnimationDuration(800); // Show a tutorial when the help link is clicked. helpLink.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { showTutorial(); } }); }
From source file:com.google.gwt.sample.showcase.client.Showcase.java
License:Apache License
/** * This is the entry point method.//from w w w . j a va 2s. c o m */ public void onModuleLoad() { // Generate the source code and css for the examples GWT.create(GeneratorInfo.class); // Inject global styles. injectThemeStyleSheet(); images.css().ensureInjected(); // Initialize the constants. ShowcaseConstants constants = GWT.create(ShowcaseConstants.class); // Create the application shell. final SingleSelectionModel<ContentWidget> selectionModel = new SingleSelectionModel<ContentWidget>(); final MainMenuTreeViewModel treeModel = new MainMenuTreeViewModel(constants, selectionModel); Set<ContentWidget> contentWidgets = treeModel.getAllContentWidgets(); shell = new ShowcaseShell(treeModel); RootLayoutPanel.get().add(shell); // Prefetch examples when opening the Category tree nodes. final List<Category> prefetched = new ArrayList<Category>(); final CellTree mainMenu = shell.getMainMenu(); mainMenu.addOpenHandler(new OpenHandler<TreeNode>() { public void onOpen(OpenEvent<TreeNode> event) { Object value = event.getTarget().getValue(); if (!(value instanceof Category)) { return; } Category category = (Category) value; if (!prefetched.contains(category)) { prefetched.add(category); Prefetcher.prefetch(category.getSplitPoints()); } } }); // Always prefetch. Prefetcher.start(); // Change the history token when a main menu item is selected. selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { public void onSelectionChange(SelectionChangeEvent event) { ContentWidget selected = selectionModel.getSelectedObject(); if (selected != null) { History.newItem(getContentWidgetToken(selected), true); } } }); // Setup a history handler to reselect the associate menu item. final ValueChangeHandler<String> historyHandler = new ValueChangeHandler<String>() { public void onValueChange(ValueChangeEvent<String> event) { // Get the content widget associated with the history token. ContentWidget contentWidget = treeModel.getContentWidgetForToken(event.getValue()); if (contentWidget == null) { return; } // Expand the tree node associated with the content. Category category = treeModel.getCategoryForContentWidget(contentWidget); TreeNode node = mainMenu.getRootTreeNode(); int childCount = node.getChildCount(); for (int i = 0; i < childCount; i++) { if (node.getChildValue(i) == category) { node.setChildOpen(i, true, true); break; } } // Select the node in the tree. selectionModel.setSelected(contentWidget, true); // Display the content widget. displayContentWidget(contentWidget); } }; History.addValueChangeHandler(historyHandler); // Show the initial example. if (History.getToken().length() > 0) { History.fireCurrentHistoryState(); } else { // Use the first token available. TreeNode root = mainMenu.getRootTreeNode(); TreeNode category = root.setChildOpen(0, true); ContentWidget content = (ContentWidget) category.getChildValue(0); selectionModel.setSelected(content, true); } // Generate a site map. createSiteMap(contentWidgets); }
From source file:n3phele.client.view.RecentActivityView.java
License:Open Source License
public RecentActivityView() { super();/*from ww w . j ava 2 s. c om*/ //setSize("100%", "100%"); this.cellTable = new ActivityStatusList(); this.setWidget(this.cellTable); this.setHeading("Recent activities"); final SingleSelectionModel<Progress> selectionModel = new SingleSelectionModel<Progress>(); cellTable.setSelectionModel(selectionModel); selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { public void onSelectionChange(SelectionChangeEvent event) { Progress selected = selectionModel.getSelectedObject(); if (selected != null) { if (presenter != null) { presenter.onSelect(selected); selectionModel.setSelected(selected, false); } } } }); }
From source file:org.cloudcoder.app.client.view.ProblemListView2.java
License:Open Source License
private void onProblemSelected(Problem selectedProblem) { ProblemAndSubmissionReceipt[] data = session.get(ProblemAndSubmissionReceipt[].class); SingleSelectionModel<? super ProblemAndSubmissionReceipt> sm = (SingleSelectionModel<? super ProblemAndSubmissionReceipt>) cellTable .getSelectionModel();//from w w w.java2 s .c o m for (ProblemAndSubmissionReceipt p : data) { if (p.getProblem().getProblemId().equals(selectedProblem.getProblemId())) { // Found the selected problem, so change the selected row sm.clear(); sm.setSelected(p, true); return; } } // The selected problem isn't being viewed currently, // so just clear the selection sm.clear(); }
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);//from w w w . j a v a2 s . com 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(); } }); }
From source file:org.jboss.as.console.client.administration.accesscontrol.ui.AssignmentDialog.java
License:Open Source License
@Override @SuppressWarnings("unchecked") public Widget asWidget() { ProvidesKey<Role> keyProvider = Role::getId; AbstractCell<Role> roleCell = new AbstractCell<Role>() { @Override/*from w w w.j av a2s. c o m*/ public void render(final Context context, final Role value, final SafeHtmlBuilder sb) { sb.append(Templates.roleItem("navigation-column-item", value)); } }; DefaultCellList<Role> list = new DefaultCellList<>(roleCell, keyProvider); list.setPageSize(30); list.setKeyboardPagingPolicy(INCREASE_RANGE); list.setKeyboardSelectionPolicy(BOUND_TO_SELECTION); ListDataProvider<Role> dataProvider = new ListDataProvider<>(keyProvider); dataProvider.setList( Roles.orderedByType().compound(Roles.orderedByName()).immutableSortedCopy(unassignedRoles)); dataProvider.addDataDisplay(list); SingleSelectionModel<Role> selectionModel = new SingleSelectionModel<>(keyProvider); list.setSelectionModel(selectionModel); selectionModel.setSelected(dataProvider.getList().get(0), true); Scheduler.get().scheduleDeferred(() -> list.setFocus(true)); Label errorMessage = new Label(); errorMessage.setVisible(false); errorMessage.getElement().getStyle().setColor("#c82e2e"); errorMessage.getElement().getStyle().setPadding(7, PX); VerticalPanel layout = new VerticalPanel(); layout.setStyleName("window-content"); layout.add(errorMessage); layout.add(list); DialogueOptions options = new DialogueOptions(event -> { if (selectionModel.getSelectedObject() == null) { errorMessage.setText(Console.CONSTANTS.pleaseSelectRole()); errorMessage.setVisible(true); } else { Assignment assignment = new Assignment(principal, selectionModel.getSelectedObject(), include); circuit.dispatch(new AddAssignment(assignment, PRINCIPAL_TO_ROLE)); presenter.closeWindow(); } }, event -> presenter.closeWindow()); return new WindowContentBuilder(layout, options).build(); }