| /** |
| * Copyright (c) 2014 CEA LIST. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * CEA LIST - Initial API and implementation |
| */ |
| package org.eclipse.papyrus.dd.presentation; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.EventObject; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.resources.IResourceDeltaVisitor; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.emf.common.command.BasicCommandStack; |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.command.CommandStack; |
| import org.eclipse.emf.common.command.CommandStackListener; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.ui.MarkerHelper; |
| import org.eclipse.emf.common.ui.editor.ProblemEditorPart; |
| import org.eclipse.emf.common.ui.viewer.IViewerProvider; |
| import org.eclipse.emf.common.util.BasicDiagnostic; |
| import org.eclipse.emf.common.util.Diagnostic; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| import org.eclipse.emf.ecore.util.EContentAdapter; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.emf.edit.domain.IEditingDomainProvider; |
| import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator; |
| import org.eclipse.emf.edit.provider.ComposedAdapterFactory; |
| import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory; |
| import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory; |
| import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor; |
| import org.eclipse.emf.edit.ui.dnd.EditingDomainViewerDropAdapter; |
| import org.eclipse.emf.edit.ui.dnd.LocalTransfer; |
| import org.eclipse.emf.edit.ui.dnd.ViewerDragAdapter; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| import org.eclipse.emf.edit.ui.provider.UnwrappingSelectionProvider; |
| import org.eclipse.emf.edit.ui.util.EditUIMarkerHelper; |
| import org.eclipse.emf.edit.ui.util.EditUIUtil; |
| import org.eclipse.emf.edit.ui.view.ExtendedPropertySheetPage; |
| import org.eclipse.jface.action.IMenuListener; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.IStatusLineManager; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.dialogs.ProgressMonitorDialog; |
| import org.eclipse.jface.util.LocalSelectionTransfer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.papyrus.dd.dc.provider.DCItemProviderAdapterFactory; |
| import org.eclipse.papyrus.dd.dg.provider.DGItemProviderAdapterFactory; |
| import org.eclipse.papyrus.dd.presentation.DDEditorPlugin; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CTabFolder; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.FileTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.events.ControlAdapter; |
| import org.eclipse.swt.events.ControlEvent; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IEditorSite; |
| import org.eclipse.ui.IPartListener; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.actions.WorkspaceModifyOperation; |
| import org.eclipse.ui.dialogs.SaveAsDialog; |
| import org.eclipse.ui.forms.editor.FormEditor; |
| import org.eclipse.ui.ide.IGotoMarker; |
| import org.eclipse.ui.part.FileEditorInput; |
| import org.eclipse.ui.views.contentoutline.ContentOutline; |
| import org.eclipse.ui.views.contentoutline.ContentOutlinePage; |
| import org.eclipse.ui.views.contentoutline.IContentOutlinePage; |
| import org.eclipse.ui.views.properties.IPropertySheetPage; |
| import org.eclipse.ui.views.properties.PropertySheet; |
| import org.eclipse.ui.views.properties.PropertySheetPage; |
| |
| /** |
| * This is the abstract superclass of all DD multi-page editors |
| */ |
| public abstract class DDEditor extends FormEditor implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker { |
| |
| /** |
| * This keeps track of the editing domain that is used to track all changes |
| * to the model. |
| */ |
| protected AdapterFactoryEditingDomain editingDomain; |
| |
| /** |
| * This is the one adapter factory used for providing views of the model. |
| */ |
| protected ComposedAdapterFactory adapterFactory; |
| |
| /** |
| * This is the content outline page. |
| */ |
| protected IContentOutlinePage contentOutlinePage; |
| |
| /** |
| * This is the content outline status line manager |
| */ |
| protected IStatusLineManager contentOutlineStatusLineManager; |
| |
| /** |
| * This is the content outline page's viewer. |
| */ |
| protected TreeViewer contentOutlineViewer; |
| |
| /** |
| * This keeps track of the active content viewer, which may be either one of |
| * the viewers in the pages or the content outline viewer. |
| */ |
| protected Viewer currentViewer; |
| |
| /** |
| * This is the property sheet page. |
| */ |
| protected List<PropertySheetPage> propertySheetPages = new ArrayList<PropertySheetPage>(); |
| |
| /** |
| * This listens to which ever viewer is active. |
| */ |
| protected ISelectionChangedListener selectionChangedListener; |
| |
| /** |
| * This keeps track of all the {@link org.eclipse.jface.viewers.ISelectionChangedListener}s that are |
| * listening to this editor. |
| */ |
| protected Collection<ISelectionChangedListener> selectionChangedListeners = new ArrayList<ISelectionChangedListener>(); |
| |
| /** |
| * This keeps track of the selection of the editor as a whole. |
| */ |
| protected ISelection editorSelection = StructuredSelection.EMPTY; |
| |
| /** |
| * The MarkerHelper is responsible for creating workspace resource markers |
| * presented in Eclipse's Problems View. |
| */ |
| protected MarkerHelper markerHelper = new EditUIMarkerHelper(); |
| |
| /** |
| * This listens for when the outline becomes active |
| */ |
| protected IPartListener partListener = new IPartListener() { |
| |
| @Override |
| public void partActivated(IWorkbenchPart p) { |
| if(p instanceof ContentOutline) { |
| if(((ContentOutline)p).getCurrentPage() == contentOutlinePage) { |
| getActionBarContributor().setActiveEditor(DDEditor.this); |
| setCurrentViewer(contentOutlineViewer); |
| } |
| } else if(p instanceof PropertySheet) { |
| if(propertySheetPages.contains(((PropertySheet)p).getCurrentPage())) { |
| getActionBarContributor().setActiveEditor(DDEditor.this); |
| handleActivate(); |
| } |
| } else if(p == DDEditor.this) { |
| handleActivate(); |
| } |
| } |
| |
| @Override |
| public void partBroughtToTop(IWorkbenchPart p) { |
| // Ignore. |
| } |
| |
| @Override |
| public void partClosed(IWorkbenchPart p) { |
| // Ignore. |
| } |
| |
| @Override |
| public void partDeactivated(IWorkbenchPart p) { |
| // Ignore. |
| } |
| |
| @Override |
| public void partOpened(IWorkbenchPart p) { |
| // Ignore. |
| } |
| }; |
| |
| /** |
| * Resources that have been removed since last activation. |
| */ |
| protected Collection<Resource> removedResources = new ArrayList<Resource>(); |
| |
| /** |
| * Resources that have been changed since last activation. |
| */ |
| protected Collection<Resource> changedResources = new ArrayList<Resource>(); |
| |
| /** |
| * Resources that have been saved. |
| */ |
| protected Collection<Resource> savedResources = new ArrayList<Resource>(); |
| |
| /** |
| * Map to store the diagnostic associated with a resource. |
| */ |
| protected Map<Resource, Diagnostic> resourceToDiagnosticMap = new LinkedHashMap<Resource, Diagnostic>(); |
| |
| /** |
| * Controls whether the problem indication should be updated. |
| */ |
| protected boolean updateProblemIndication = true; |
| |
| /** |
| * Adapter used to update the problem indication when resources are demanded |
| * loaded. |
| */ |
| protected EContentAdapter problemIndicationAdapter = new EContentAdapter() { |
| |
| @Override |
| public void notifyChanged(Notification notification) { |
| if(notification.getNotifier() instanceof Resource) { |
| switch(notification.getFeatureID(Resource.class)) { |
| case Resource.RESOURCE__IS_LOADED: |
| case Resource.RESOURCE__ERRORS: |
| case Resource.RESOURCE__WARNINGS: |
| { |
| Resource resource = (Resource)notification.getNotifier(); |
| Diagnostic diagnostic = analyzeResourceProblems(resource, null); |
| if(diagnostic.getSeverity() != Diagnostic.OK) { |
| resourceToDiagnosticMap.put(resource, diagnostic); |
| } else { |
| resourceToDiagnosticMap.remove(resource); |
| } |
| if(updateProblemIndication) { |
| getSite().getShell().getDisplay().asyncExec(new Runnable() { |
| |
| public void run() { |
| updateProblemIndication(); |
| } |
| }); |
| } |
| break; |
| } |
| } |
| } else { |
| super.notifyChanged(notification); |
| } |
| } |
| |
| @Override |
| protected void setTarget(Resource target) { |
| basicSetTarget(target); |
| } |
| |
| @Override |
| protected void unsetTarget(Resource target) { |
| basicUnsetTarget(target); |
| resourceToDiagnosticMap.remove(target); |
| if(updateProblemIndication) { |
| getSite().getShell().getDisplay().asyncExec(new Runnable() { |
| |
| public void run() { |
| updateProblemIndication(); |
| } |
| }); |
| } |
| } |
| }; |
| |
| /** |
| * This listens for workspace changes. |
| */ |
| protected IResourceChangeListener resourceChangeListener = new IResourceChangeListener() { |
| |
| @Override |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResourceDelta delta = event.getDelta(); |
| try { |
| class ResourceDeltaVisitor implements IResourceDeltaVisitor { |
| |
| protected ResourceSet resourceSet = editingDomain.getResourceSet(); |
| |
| protected Collection<Resource> changedResources = new ArrayList<Resource>(); |
| |
| protected Collection<Resource> removedResources = new ArrayList<Resource>(); |
| |
| @Override |
| public boolean visit(IResourceDelta delta) { |
| if(delta.getResource().getType() == IResource.FILE) { |
| if(delta.getKind() == IResourceDelta.REMOVED || delta.getKind() == IResourceDelta.CHANGED && delta.getFlags() != IResourceDelta.MARKERS) { |
| Resource resource = resourceSet.getResource(URI.createPlatformResourceURI(delta.getFullPath().toString(), true), false); |
| if(resource != null) { |
| if(delta.getKind() == IResourceDelta.REMOVED) { |
| removedResources.add(resource); |
| } else if(!savedResources.remove(resource)) { |
| changedResources.add(resource); |
| } |
| } |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| public Collection<Resource> getChangedResources() { |
| return changedResources; |
| } |
| |
| public Collection<Resource> getRemovedResources() { |
| return removedResources; |
| } |
| } |
| final ResourceDeltaVisitor visitor = new ResourceDeltaVisitor(); |
| delta.accept(visitor); |
| if(!visitor.getRemovedResources().isEmpty()) { |
| getSite().getShell().getDisplay().asyncExec(new Runnable() { |
| |
| @Override |
| public void run() { |
| removedResources.addAll(visitor.getRemovedResources()); |
| if(!isDirty()) { |
| getSite().getPage().closeEditor(DDEditor.this, false); |
| } |
| } |
| }); |
| } |
| if(!visitor.getChangedResources().isEmpty()) { |
| getSite().getShell().getDisplay().asyncExec(new Runnable() { |
| |
| @Override |
| public void run() { |
| changedResources.addAll(visitor.getChangedResources()); |
| if(getSite().getPage().getActiveEditor() == DDEditor.this) { |
| handleActivate(); |
| } |
| } |
| }); |
| } |
| } catch (CoreException exception) { |
| DDEditorPlugin.INSTANCE.log(exception); |
| } |
| } |
| }; |
| |
| /** |
| * Gets the currently active editor page |
| * |
| * @return DDEditorPage |
| */ |
| protected DDEditorPage getActiveDDFormPage() { |
| return (DDEditorPage)getActivePageInstance(); |
| } |
| |
| /** |
| * Handles activation of the editor or it's associated views. |
| */ |
| protected void handleActivate() { |
| // Recompute the read only state. |
| if(editingDomain.getResourceToReadOnlyMap() != null) { |
| editingDomain.getResourceToReadOnlyMap().clear(); |
| // Refresh any actions that may become enabled or disabled. |
| setSelection(getSelection()); |
| } |
| if(!removedResources.isEmpty()) { |
| if(handleDirtyConflict()) { |
| getSite().getPage().closeEditor(DDEditor.this, false); |
| } else { |
| removedResources.clear(); |
| changedResources.clear(); |
| savedResources.clear(); |
| } |
| } else if(!changedResources.isEmpty()) { |
| changedResources.removeAll(savedResources); |
| handleChangedResources(); |
| changedResources.clear(); |
| savedResources.clear(); |
| } |
| } |
| |
| /** |
| * Handles what to do with changed resources on activation. |
| */ |
| protected void handleChangedResources() { |
| if(!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) { |
| if(isDirty()) { |
| changedResources.addAll(editingDomain.getResourceSet().getResources()); |
| } |
| editingDomain.getCommandStack().flush(); |
| updateProblemIndication = false; |
| for(Resource resource : changedResources) { |
| if(resource.isLoaded()) { |
| resource.unload(); |
| try { |
| resource.load(Collections.EMPTY_MAP); |
| } catch (IOException exception) { |
| if(!resourceToDiagnosticMap.containsKey(resource)) { |
| resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception)); |
| } |
| } |
| } |
| } |
| if(AdapterFactoryEditingDomain.isStale(editorSelection)) { |
| setSelection(StructuredSelection.EMPTY); |
| } |
| updateProblemIndication = true; |
| updateProblemIndication(); |
| if(getPageCount() > 0) |
| setActivePage(0); |
| } |
| } |
| |
| /** |
| * Updates the problems indication with the information described in the |
| * specified diagnostic. |
| */ |
| protected void updateProblemIndication() { |
| if(updateProblemIndication) { |
| BasicDiagnostic diagnostic = new BasicDiagnostic(Diagnostic.OK, "org.eclipse.dd.editor", 0, null, new Object[]{ editingDomain.getResourceSet() }); |
| for(Diagnostic childDiagnostic : resourceToDiagnosticMap.values()) { |
| if(childDiagnostic.getSeverity() != Diagnostic.OK) { |
| diagnostic.add(childDiagnostic); |
| } |
| } |
| int lastEditorPage = getPageCount() - 1; |
| if(lastEditorPage >= 0 && getEditor(lastEditorPage) instanceof ProblemEditorPart) { |
| ((ProblemEditorPart)getEditor(lastEditorPage)).setDiagnostic(diagnostic); |
| if(diagnostic.getSeverity() != Diagnostic.OK) { |
| setActivePage(lastEditorPage); |
| } |
| } else if(diagnostic.getSeverity() != Diagnostic.OK) { |
| ProblemEditorPart problemEditorPart = new ProblemEditorPart(); |
| problemEditorPart.setDiagnostic(diagnostic); |
| problemEditorPart.setMarkerHelper(markerHelper); |
| try { |
| addPage(++lastEditorPage, problemEditorPart, getEditorInput()); |
| setPageText(lastEditorPage, problemEditorPart.getPartName()); |
| setActivePage(lastEditorPage); |
| showTabs(); |
| } catch (PartInitException exception) { |
| DDEditorPlugin.INSTANCE.log(exception); |
| } |
| } |
| if(markerHelper.hasMarkers(editingDomain.getResourceSet())) { |
| markerHelper.deleteMarkers(editingDomain.getResourceSet()); |
| if(diagnostic.getSeverity() != Diagnostic.OK) { |
| try { |
| markerHelper.createMarkers(diagnostic); |
| } catch (CoreException exception) { |
| DDEditorPlugin.INSTANCE.log(exception); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Shows a dialog that asks if conflicting changes should be discarded. |
| */ |
| protected boolean handleDirtyConflict() { |
| return MessageDialog.openQuestion(getSite().getShell(), getString("_UI_FileConflict_label"), getString("_WARN_FileConflict")); |
| } |
| |
| /** |
| * This creates a model editor. |
| */ |
| public DDEditor() { |
| super(); |
| initializeEditingDomain(); |
| } |
| |
| /** |
| * This sets up the editing domain for the model editor. |
| */ |
| protected void initializeEditingDomain() { |
| adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE); |
| adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory()); |
| adapterFactory.addAdapterFactory(new DGItemProviderAdapterFactory()); |
| adapterFactory.addAdapterFactory(new DCItemProviderAdapterFactory()); |
| adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory()); |
| BasicCommandStack commandStack = new BasicCommandStack(); |
| commandStack.addCommandStackListener(new CommandStackListener() { |
| |
| @Override |
| public void commandStackChanged(final EventObject event) { |
| getContainer().getDisplay().asyncExec(new Runnable() { |
| |
| @Override |
| public void run() { |
| firePropertyChange(IEditorPart.PROP_DIRTY); |
| Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand(); |
| if(mostRecentCommand != null) { |
| refresh(); |
| setSelectionToViewer(mostRecentCommand.getAffectedObjects()); |
| } |
| for(Iterator<PropertySheetPage> i = propertySheetPages.iterator(); i.hasNext();) { |
| PropertySheetPage propertySheetPage = i.next(); |
| if(propertySheetPage.getControl().isDisposed()) { |
| i.remove(); |
| } else { |
| propertySheetPage.refresh(); |
| } |
| } |
| } |
| }); |
| } |
| }); |
| // Create the editing domain with a special command stack. |
| editingDomain = new AdapterFactoryEditingDomain(adapterFactory, commandStack, new HashMap<Resource, Boolean>()); |
| } |
| |
| /** |
| * Refreshes the currently active page in the editor |
| */ |
| public void refresh() { |
| Runnable runnable = new Runnable() { |
| |
| @Override |
| public void run() { |
| if(getActiveDDFormPage() != null) { |
| getActiveDDFormPage().refresh(); |
| } |
| } |
| }; |
| getSite().getShell().getDisplay().asyncExec(runnable); |
| } |
| |
| /** |
| * This is here for the listener to be able to call it. |
| */ |
| @Override |
| protected void firePropertyChange(int action) { |
| super.firePropertyChange(action); |
| } |
| |
| /** |
| * This sets the selection into whichever viewer is active. |
| */ |
| public void setSelectionToViewer(Collection<?> collection) { |
| final Collection<?> theSelection = collection; |
| if(theSelection != null && !theSelection.isEmpty()) { |
| Runnable runnable = new Runnable() { |
| |
| @Override |
| public void run() { |
| if(getActiveDDFormPage() != null) { |
| getActiveDDFormPage().selectReveal(theSelection); |
| } |
| } |
| }; |
| getSite().getShell().getDisplay().asyncExec(runnable); |
| } |
| } |
| |
| /** |
| * This returns the editing domain as required by the {@link IEditingDomainProvider} interface. This is important for |
| * implementing the static methods of {@link AdapterFactoryEditingDomain} and for supporting {@link org.eclipse.emf.edit.ui.action.CommandAction}. |
| */ |
| @Override |
| public EditingDomain getEditingDomain() { |
| return editingDomain; |
| } |
| |
| /** |
| * This is a content provider for an element's parent hierarchy |
| */ |
| public class ReverseAdapterFactoryContentProvider extends AdapterFactoryContentProvider { |
| |
| public ReverseAdapterFactoryContentProvider(AdapterFactory adapterFactory) { |
| super(adapterFactory); |
| } |
| |
| @Override |
| public Object[] getElements(Object object) { |
| Object parent = super.getParent(object); |
| return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray(); |
| } |
| |
| @Override |
| public Object[] getChildren(Object object) { |
| Object parent = super.getParent(object); |
| return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray(); |
| } |
| |
| @Override |
| public boolean hasChildren(Object object) { |
| Object parent = super.getParent(object); |
| return parent != null; |
| } |
| |
| @Override |
| public Object getParent(Object object) { |
| return null; |
| } |
| } |
| |
| /** |
| * This makes sure that one content viewer, either for the current page or |
| * the outline view, if it has focus, is the current one. |
| */ |
| public void setCurrentViewer(Viewer viewer) { |
| // If it is changing... |
| if(currentViewer != viewer) { |
| if(selectionChangedListener == null) { |
| // Create the listener on demand. |
| selectionChangedListener = new ISelectionChangedListener() { |
| |
| // This just notifies those things that are affected by the |
| // section. |
| @Override |
| public void selectionChanged(SelectionChangedEvent selectionChangedEvent) { |
| setSelection(selectionChangedEvent.getSelection()); |
| } |
| }; |
| } |
| // Stop listening to the old one. |
| if(currentViewer != null) { |
| currentViewer.removeSelectionChangedListener(selectionChangedListener); |
| } |
| // Start listening to the new one. |
| if(viewer != null) { |
| viewer.addSelectionChangedListener(selectionChangedListener); |
| } |
| // Remember it. |
| currentViewer = viewer; |
| // Set the editors selection based on the current viewer's |
| // selection. |
| setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection()); |
| } |
| } |
| |
| /** |
| * This returns the viewer as required by the {@link IViewerProvider} interface. |
| */ |
| @Override |
| public Viewer getViewer() { |
| return currentViewer; |
| } |
| |
| /** |
| * This creates a context menu for the viewer and adds a listener as well |
| * registering the menu for extension. |
| */ |
| public void createContextMenuFor(StructuredViewer viewer) { |
| MenuManager contextMenu = new MenuManager("#PopUp"); |
| contextMenu.add(new Separator("additions")); |
| contextMenu.setRemoveAllWhenShown(true); |
| contextMenu.addMenuListener(this); |
| Menu menu = contextMenu.createContextMenu(viewer.getControl()); |
| viewer.getControl().setMenu(menu); |
| getSite().registerContextMenu(contextMenu, new UnwrappingSelectionProvider(viewer)); |
| int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK; |
| Transfer[] transfers = new Transfer[]{ LocalTransfer.getInstance(), LocalSelectionTransfer.getTransfer(), FileTransfer.getInstance() }; |
| viewer.addDragSupport(dndOperations, transfers, new ViewerDragAdapter(viewer)); |
| viewer.addDropSupport(dndOperations, transfers, new EditingDomainViewerDropAdapter(editingDomain, viewer)); |
| } |
| |
| /** |
| * This is the method called to load a resource into the editing domain's |
| * resource set based on the editor's input. |
| */ |
| public void createModel() { |
| URI resourceURI = EditUIUtil.getURI(getEditorInput()); |
| Exception exception = null; |
| Resource resource = null; |
| try { |
| // Load the resource through the editing domain. |
| resource = editingDomain.getResourceSet().getResource(resourceURI, true); |
| } catch (Exception e) { |
| exception = e; |
| resource = editingDomain.getResourceSet().getResource(resourceURI, false); |
| } |
| Diagnostic diagnostic = analyzeResourceProblems(resource, exception); |
| if(diagnostic.getSeverity() != Diagnostic.OK) { |
| resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception)); |
| } |
| editingDomain.getResourceSet().eAdapters().add(problemIndicationAdapter); |
| } |
| |
| /** |
| * Returns a diagnostic describing the errors and warnings listed in the |
| * resource and the specified exception (if any). |
| */ |
| public Diagnostic analyzeResourceProblems(Resource resource, Exception exception) { |
| if(!resource.getErrors().isEmpty() || !resource.getWarnings().isEmpty()) { |
| BasicDiagnostic basicDiagnostic = new BasicDiagnostic(Diagnostic.ERROR, "org.eclipse.dd.editor", 0, getString("_UI_CreateModelError_message", resource.getURI()), new Object[]{ exception == null ? (Object)resource : exception }); |
| basicDiagnostic.merge(EcoreUtil.computeDiagnostic(resource, true)); |
| return basicDiagnostic; |
| } else if(exception != null) { |
| return new BasicDiagnostic(Diagnostic.ERROR, "org.eclipse.dd.editor", 0, getString("_UI_CreateModelError_message", resource.getURI()), new Object[]{ exception }); |
| } else { |
| return Diagnostic.OK_INSTANCE; |
| } |
| } |
| |
| /** |
| * This is the method used by the framework to install your own controls. |
| */ |
| @Override |
| public void createPages() { |
| createModel(); |
| addPages(); |
| getContainer().addControlListener(new ControlAdapter() { |
| |
| boolean guard = false; |
| |
| @Override |
| public void controlResized(ControlEvent event) { |
| if(!guard) { |
| guard = true; |
| hideTabs(); |
| guard = false; |
| } |
| } |
| }); |
| getSite().getShell().getDisplay().asyncExec(new Runnable() { |
| |
| @Override |
| public void run() { |
| updateProblemIndication(); |
| } |
| }); |
| } |
| |
| /** |
| * If there is just one page in the multi-page editor part, this hides the |
| * single tab at the bottom. |
| */ |
| protected void hideTabs() { |
| if(getPageCount() == 1) { |
| setPageText(0, ""); |
| if(getContainer() instanceof CTabFolder) { |
| ((CTabFolder)getContainer()).setTabHeight(1); |
| Point point = getContainer().getSize(); |
| getContainer().setSize(point.x, point.y + 6); |
| } |
| } |
| } |
| |
| /** |
| * If there is more than one page in the multi-page editor part, this shows |
| * the tabs at the bottom. |
| */ |
| protected void showTabs() { |
| if(getPageCount() > 1) { |
| setPageText(0, getString("_UI_SelectionPage_label")); |
| if(getContainer() instanceof CTabFolder) { |
| ((CTabFolder)getContainer()).setTabHeight(SWT.DEFAULT); |
| Point point = getContainer().getSize(); |
| getContainer().setSize(point.x, point.y - 6); |
| } |
| } |
| } |
| |
| /** |
| * This is used to track the active viewer. |
| */ |
| @Override |
| protected void pageChange(int pageIndex) { |
| super.pageChange(pageIndex); |
| if(contentOutlinePage != null) { |
| // handleContentOutlineSelection(contentOutlinePage.getSelection()); |
| } |
| } |
| |
| /** |
| * This is how the framework determines which interfaces we implement. |
| */ |
| @SuppressWarnings("rawtypes") |
| @Override |
| public Object getAdapter(Class key) { |
| if(key.equals(IContentOutlinePage.class)) { |
| return showOutlineView() ? getContentOutlinePage() : null; |
| } else if(key.equals(IPropertySheetPage.class)) { |
| return getPropertySheetPage(); |
| } else if(key.equals(IGotoMarker.class)) { |
| return this; |
| } else { |
| return super.getAdapter(key); |
| } |
| } |
| |
| /** |
| * This accesses a cached version of the content outliner. |
| */ |
| public IContentOutlinePage getContentOutlinePage() { |
| if(contentOutlinePage == null) { |
| // The content outline is just a tree. |
| class MyContentOutlinePage extends ContentOutlinePage { |
| |
| @Override |
| public void createControl(Composite parent) { |
| super.createControl(parent); |
| contentOutlineViewer = getTreeViewer(); |
| contentOutlineViewer.addSelectionChangedListener(this); |
| // Set up the tree viewer. |
| contentOutlineViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory)); |
| contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory)); |
| contentOutlineViewer.setInput(editingDomain.getResourceSet()); |
| // Make sure our popups work. |
| createContextMenuFor(contentOutlineViewer); |
| if(!editingDomain.getResourceSet().getResources().isEmpty()) { |
| // Select the root object in the view. |
| contentOutlineViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true); |
| } |
| } |
| |
| @Override |
| public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) { |
| super.makeContributions(menuManager, toolBarManager, statusLineManager); |
| contentOutlineStatusLineManager = statusLineManager; |
| } |
| |
| @Override |
| public void setActionBars(IActionBars actionBars) { |
| super.setActionBars(actionBars); |
| getActionBarContributor().shareGlobalActions(this, actionBars); |
| } |
| } |
| contentOutlinePage = new MyContentOutlinePage(); |
| // Listen to selection so that we can handle it is a special way. |
| contentOutlinePage.addSelectionChangedListener(new ISelectionChangedListener() { |
| |
| // This ensures that we handle selections correctly. |
| @Override |
| public void selectionChanged(SelectionChangedEvent event) { |
| handleContentOutlineSelection(event.getSelection()); |
| } |
| }); |
| } |
| return contentOutlinePage; |
| } |
| |
| /** |
| * This accesses a cached version of the property sheet. |
| */ |
| public IPropertySheetPage getPropertySheetPage() { |
| PropertySheetPage propertySheetPage = new ExtendedPropertySheetPage(editingDomain) { |
| |
| @Override |
| public void setSelectionToViewer(List<?> selection) { |
| DDEditor.this.setSelectionToViewer(selection); |
| DDEditor.this.setFocus(); |
| } |
| |
| @Override |
| public void setActionBars(IActionBars actionBars) { |
| super.setActionBars(actionBars); |
| getActionBarContributor().shareGlobalActions(this, actionBars); |
| } |
| }; |
| propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory)); |
| propertySheetPages.add(propertySheetPage); |
| return propertySheetPage; |
| } |
| |
| /** |
| * This deals with how we want selection in the outliner to affect the other |
| * views. |
| */ |
| public void handleContentOutlineSelection(ISelection selection) { |
| if(getActiveDDFormPage() != null && !selection.isEmpty() && selection instanceof IStructuredSelection) |
| getActiveDDFormPage().selectReveal(selection); |
| } |
| |
| /** |
| * This is for implementing {@link IEditorPart} and simply tests the command |
| * stack. |
| */ |
| @Override |
| public boolean isDirty() { |
| return ((BasicCommandStack)editingDomain.getCommandStack()).isSaveNeeded(); |
| } |
| |
| /** |
| * This is for implementing {@link IEditorPart} and simply saves the model |
| * file. |
| */ |
| @Override |
| public void doSave(IProgressMonitor progressMonitor) { |
| // Save only resources that have actually changed. |
| final Map<Object, Object> saveOptions = new HashMap<Object, Object>(); |
| saveOptions.put(Resource.OPTION_SAVE_ONLY_IF_CHANGED, Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER); |
| saveOptions.put(Resource.OPTION_LINE_DELIMITER, Resource.OPTION_LINE_DELIMITER_UNSPECIFIED); |
| // Do the work within an operation because this is a long running |
| // activity that modifies the workbench. |
| WorkspaceModifyOperation operation = new WorkspaceModifyOperation() { |
| |
| // This is the method that gets invoked when the operation runs. |
| @Override |
| public void execute(IProgressMonitor monitor) { |
| // Save the resources to the file system. |
| boolean first = true; |
| for(Resource resource : editingDomain.getResourceSet().getResources()) { |
| if((first || !resource.getContents().isEmpty() || isPersisted(resource)) && !editingDomain.isReadOnly(resource)) { |
| try { |
| long timeStamp = resource.getTimeStamp(); |
| resource.save(saveOptions); |
| if(resource.getTimeStamp() != timeStamp) { |
| savedResources.add(resource); |
| } |
| } catch (Exception exception) { |
| resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception)); |
| } |
| first = false; |
| } |
| } |
| } |
| }; |
| updateProblemIndication = false; |
| try { |
| // This runs the options, and shows progress. |
| new ProgressMonitorDialog(getSite().getShell()).run(true, false, operation); |
| // Refresh the necessary state. |
| ((BasicCommandStack)editingDomain.getCommandStack()).saveIsDone(); |
| firePropertyChange(IEditorPart.PROP_DIRTY); |
| } catch (Exception exception) { |
| // Something went wrong that shouldn't. |
| DDEditorPlugin.INSTANCE.log(exception); |
| } |
| updateProblemIndication = true; |
| updateProblemIndication(); |
| } |
| |
| /** |
| * This returns whether something has been persisted to the URI of the |
| * specified resource. The implementation uses the URI converter from the |
| * editor's resource set to try to open an input stream. |
| */ |
| protected boolean isPersisted(Resource resource) { |
| boolean result = false; |
| try { |
| InputStream stream = editingDomain.getResourceSet().getURIConverter().createInputStream(resource.getURI()); |
| if(stream != null) { |
| result = true; |
| stream.close(); |
| } |
| } catch (IOException e) { |
| // Ignore |
| } |
| return result; |
| } |
| |
| /** |
| * This always returns true because it is not currently supported. |
| */ |
| @Override |
| public boolean isSaveAsAllowed() { |
| return true; |
| } |
| |
| /** |
| * This also changes the editor's input. |
| */ |
| @Override |
| public void doSaveAs() { |
| SaveAsDialog saveAsDialog = new SaveAsDialog(getSite().getShell()); |
| saveAsDialog.open(); |
| IPath path = saveAsDialog.getResult(); |
| if(path != null) { |
| IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path); |
| if(file != null) { |
| doSaveAs(URI.createPlatformResourceURI(file.getFullPath().toString(), true), new FileEditorInput(file)); |
| } |
| } |
| } |
| |
| protected void doSaveAs(URI uri, IEditorInput editorInput) { |
| (editingDomain.getResourceSet().getResources().get(0)).setURI(uri); |
| setInputWithNotify(editorInput); |
| setPartName(editorInput.getName()); |
| IProgressMonitor progressMonitor = getActionBars().getStatusLineManager() != null ? getActionBars().getStatusLineManager().getProgressMonitor() : new NullProgressMonitor(); |
| doSave(progressMonitor); |
| } |
| |
| public void gotoMarker(IMarker marker) { |
| List<?> targetObjects = markerHelper.getTargetObjects(editingDomain, marker); |
| if(!targetObjects.isEmpty()) { |
| setSelectionToViewer(targetObjects); |
| } |
| } |
| |
| @Override |
| public void init(IEditorSite site, IEditorInput editorInput) { |
| setSite(site); |
| setInputWithNotify(editorInput); |
| setPartName(editorInput.getName()); |
| site.setSelectionProvider(this); |
| site.getPage().addPartListener(partListener); |
| ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener, IResourceChangeEvent.POST_CHANGE); |
| } |
| |
| /** |
| * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}. |
| */ |
| public void addSelectionChangedListener(ISelectionChangedListener listener) { |
| selectionChangedListeners.add(listener); |
| } |
| |
| /** |
| * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}. |
| */ |
| public void removeSelectionChangedListener(ISelectionChangedListener listener) { |
| selectionChangedListeners.remove(listener); |
| } |
| |
| /** |
| * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to |
| * return this editor's overall selection. |
| */ |
| public ISelection getSelection() { |
| return editorSelection; |
| } |
| |
| /** |
| * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to |
| * set this editor's overall selection. Calling this result will notify the |
| * listeners. |
| */ |
| public void setSelection(ISelection selection) { |
| editorSelection = selection; |
| for(ISelectionChangedListener listener : selectionChangedListeners) { |
| listener.selectionChanged(new SelectionChangedEvent(this, selection)); |
| } |
| setStatusLineManager(selection); |
| } |
| |
| public void setStatusLineManager(ISelection selection) { |
| IStatusLineManager statusLineManager = currentViewer != null && currentViewer == contentOutlineViewer ? contentOutlineStatusLineManager : getActionBars().getStatusLineManager(); |
| if(statusLineManager != null) { |
| if(selection instanceof IStructuredSelection) { |
| Collection<?> collection = ((IStructuredSelection)selection).toList(); |
| switch(collection.size()) { |
| case 0: |
| { |
| statusLineManager.setMessage(getString("_UI_NoObjectSelected")); |
| break; |
| } |
| case 1: |
| { |
| String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection.iterator().next()); |
| statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text)); |
| break; |
| } |
| default: |
| { |
| statusLineManager.setMessage(getString("_UI_MultiObjectSelected", Integer.toString(collection.size()))); |
| break; |
| } |
| } |
| } else { |
| statusLineManager.setMessage(""); |
| } |
| } |
| } |
| |
| /** |
| * This looks up a string in the plugin's plugin.properties file. |
| */ |
| protected String getString(String key) { |
| return DDEditorPlugin.INSTANCE.getString(key); |
| } |
| |
| /** |
| * This looks up a string in plugin.properties, making a substitution. |
| */ |
| protected String getString(String key, Object s1) { |
| return DDEditorPlugin.INSTANCE.getString(key, new Object[]{ s1 }); |
| } |
| |
| /** |
| * This implements {@link org.eclipse.jface.action.IMenuListener} to help |
| * fill the context menus with contributions from the Edit menu. |
| */ |
| public void menuAboutToShow(IMenuManager menuManager) { |
| ((IMenuListener)getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager); |
| } |
| |
| public EditingDomainActionBarContributor getActionBarContributor() { |
| return (EditingDomainActionBarContributor)getEditorSite().getActionBarContributor(); |
| } |
| |
| public IActionBars getActionBars() { |
| return getActionBarContributor().getActionBars(); |
| } |
| |
| public AdapterFactory getAdapterFactory() { |
| return adapterFactory; |
| } |
| |
| @Override |
| public void dispose() { |
| updateProblemIndication = false; |
| ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeListener); |
| getSite().getPage().removePartListener(partListener); |
| adapterFactory.dispose(); |
| if(getActionBarContributor().getActiveEditor() == this) { |
| getActionBarContributor().setActiveEditor(null); |
| } |
| for(PropertySheetPage propertySheetPage : propertySheetPages) { |
| propertySheetPage.dispose(); |
| } |
| if(contentOutlinePage != null) { |
| contentOutlinePage.dispose(); |
| } |
| super.dispose(); |
| } |
| |
| /** |
| * Returns whether the outline view should be presented to the user. |
| */ |
| protected boolean showOutlineView() { |
| return true; |
| } |
| |
| /** |
| * Returns the selected Object in the editor |
| */ |
| public abstract EObject getSelectedEObject(); |
| } |
