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EmfAbstractEditor.java
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EmfAbstractEditor.java
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/**
* <copyright>
*
* Copyright (c) 2002, 2013 IBM Corporation and others.
* 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:
* IBM - Initial API and implementation
* Lorenzo Bettini - refactored and adapted for Emf Parsley
*
* </copyright>
*
* $Id: EmfAbstractEditor.java,v 1.62 2011/05/12 20:21:12 emerks Exp $
*/
package org.eclipse.emf.parsley.editors;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
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.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.ui.MarkerHelper;
import org.eclipse.emf.common.ui.URIEditorInput;
import org.eclipse.emf.common.ui.dialogs.ResourceDialog;
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.EValidator;
import org.eclipse.emf.ecore.presentation.EcoreEditorPlugin;
import org.eclipse.emf.ecore.resource.Resource;
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.IEditingDomainProvider;
import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.edit.ui.util.EditUIMarkerHelper;
import org.eclipse.emf.edit.ui.view.ExtendedPropertySheetPage;
import org.eclipse.emf.parsley.EmfParsleyActivator;
import org.eclipse.emf.parsley.edit.actionbar.WorkbenchActionBarContributor;
import org.eclipse.emf.parsley.edit.ui.dnd.ViewerDragAndDropHelper;
import org.eclipse.emf.parsley.editors.listeners.ResourceDeltaVisitor;
import org.eclipse.emf.parsley.handlers.OutlineSelectionHandler;
import org.eclipse.emf.parsley.internal.editors.listeners.PartListenerAdapter;
import org.eclipse.emf.parsley.internal.editors.util.ProblemIndicationEContentAdapter;
import org.eclipse.emf.parsley.listeners.AsyncCommandStackListenerClient;
import org.eclipse.emf.parsley.listeners.AsyncCommandStackListenerHelper;
import org.eclipse.emf.parsley.listeners.IEditorMouseListener;
import org.eclipse.emf.parsley.menus.ViewerContextMenuHelper;
import org.eclipse.emf.parsley.resource.ResourceLoader;
import org.eclipse.emf.parsley.util.EmfParsleyUiUtil;
import org.eclipse.emf.parsley.viewers.ViewerFactory;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
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.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.graphics.Point;
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.ide.IGotoMarker;
import org.eclipse.ui.part.MultiPageEditorPart;
import org.eclipse.ui.views.contentoutline.ContentOutline;
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;
import com.google.inject.Inject;
import com.google.inject.Provider;
/**
* This is an example of a Ecore model editor. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated
*/
public abstract class EmfAbstractEditor extends MultiPageEditorPart implements
IEditingDomainProvider, ISelectionProvider, IMenuListener,
IViewerProvider, IGotoMarker, AsyncCommandStackListenerClient {
protected static final int CONTAINER_Y_SIZE_DELTA = 6;
/**
* This is the one adapter factory used for providing views of the model.
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected ComposedAdapterFactory adapterFactory;
protected EmfEditorContentOutlinePage contentOutlinePage;
protected boolean saving = false;
/**
* This is the property sheet page. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated
*/
protected PropertySheetPage propertySheetPage;
/**
* This is the viewer that shadows the selection in the content outline. The
* parent relation must be correctly defined for this to work. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected StructuredViewer selectionViewer;
/**
* This keeps track of all the
* {@link org.eclipse.jface.viewers.ISelectionChangedListener}s that are
* listening to this editor. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected Collection<ISelectionChangedListener> selectionChangedListeners = new ArrayList<ISelectionChangedListener>();
/**
* This keeps track of the selection of the editor as a whole. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected ISelection editorSelection = StructuredSelection.EMPTY;
/**
* The MarkerHelper is responsible for creating workspace resource markers
* presented in Eclipse's Problems View. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated
*/
protected MarkerHelper markerHelper = new EditUIMarkerHelper();
/**
* This listens for when the outline becomes active <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated NOT
*/
protected IPartListener partListener = new PartListenerAdapter() {
@Override
public void partActivated(IWorkbenchPart p) {
if (p instanceof ContentOutline) {
if (((ContentOutline) p).getCurrentPage() == contentOutlinePage) {
getActionBarContributor().setActiveEditor(EmfAbstractEditor.this);
}
} else if (p instanceof PropertySheet) {
if (((PropertySheet) p).getCurrentPage() == propertySheetPage) {
getActionBarContributor().setActiveEditor(EmfAbstractEditor.this);
handleActivate();
}
} else if (p == EmfAbstractEditor.this) {
handleActivate();
}
}
};
/**
* Resources that have been removed since last activation. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected Collection<Resource> removedResources = new ArrayList<Resource>();
/**
* Resources that have been changed since last activation. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected Collection<Resource> changedResources = new ArrayList<Resource>();
/**
* Resources that have been saved. <!-- begin-user-doc --> <!-- end-user-doc
* -->
*
* @generated
*/
protected Collection<Resource> savedResources = new ArrayList<Resource>();
/**
* Map to store the diagnostic associated with a resource. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected Map<Resource, Diagnostic> resourceToDiagnosticMap = new LinkedHashMap<Resource, Diagnostic>();
/**
* Controls whether the problem indication should be updated. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected boolean updateProblemIndication = true;
/**
* Adapter used to update the problem indication when resources are demanded
* loaded. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated NOT
*/
protected EContentAdapter problemIndicationAdapter = new ProblemIndicationEContentAdapter() {
@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();
handleResourceDiagnostic(resource);
break;
default:
break;
}
} else {
super.notifyChanged(notification);
}
}
};
/**
* This listens for workspace changes. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated
*/
protected IResourceChangeListener resourceChangeListener = new IResourceChangeListener() {
@Override
public void resourceChanged(IResourceChangeEvent event) {
handleIResourceChangeEvent(event);
}
};
@Inject
protected ViewerFactory viewerFactory;
@Inject
protected Provider<IEditorMouseListener> mouseAdapterProvider;
@Inject
protected EmfEditorContentOutlineFactory emfContentOutlineFactory;
@Inject
protected OutlineSelectionHandler outlineSelectionHandler;
/**
* This keeps track of the editing domain that is used to track all changes
* to the model. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated NOT
*/
@Inject
protected AdapterFactoryEditingDomain editingDomain;
@Inject
protected ResourceLoader resourceLoader;
@Inject
protected ViewerContextMenuHelper contextMenuHelper;
@Inject
protected ViewerDragAndDropHelper dragAndDropHelper;
@Inject
private AsyncCommandStackListenerHelper commandStackListenerHelper;
/**
* Handles activation of the editor or it's associated views. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
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(EmfAbstractEditor.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. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void handleChangedResources() {
// if we are saving we do not want to deal with changed resources
// resources are being changed because we are saving them
if (saving) {
return;
}
if (!changedResources.isEmpty()
&& (!isDirty() || handleDirtyConflict())) {
if (isDirty()) {
changedResources.addAll(editingDomain.getResourceSet()
.getResources());
}
editingDomain.getCommandStack().flush();
updateProblemIndication = false;
reloadChangedResources();
if (AdapterFactoryEditingDomain.isStale(editorSelection)) {
setSelection(StructuredSelection.EMPTY);
}
updateProblemIndication = true;
updateProblemIndication();
}
}
protected void reloadChangedResources() {
for (Resource resource : changedResources) {
if (resource.isLoaded()) {
resource.unload();
try {
resource.load(Collections.emptyMap());
} catch (IOException exception) {
if (!resourceToDiagnosticMap.containsKey(resource)) {
resourceToDiagnosticMap
.put(resource,
analyzeResourceProblems(resource,
exception));
}
}
}
}
}
/**
* Updates the problems indication with the information described in the
* specified diagnostic. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void updateProblemIndication() {
if (updateProblemIndication) {
BasicDiagnostic diagnostic = createDiagnostic();
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) {
EcoreEditorPlugin.INSTANCE.log(exception);
}
}
updateMarkers(diagnostic);
}
}
protected BasicDiagnostic createDiagnostic() {
BasicDiagnostic diagnostic = new BasicDiagnostic(Diagnostic.OK,
"org.eclipse.emf.ecore.editor", 0, null,
new Object[] { editingDomain.getResourceSet() });
for (Diagnostic childDiagnostic : resourceToDiagnosticMap.values()) {
if (childDiagnostic.getSeverity() != Diagnostic.OK) {
diagnostic.add(childDiagnostic);
}
}
return diagnostic;
}
protected void updateMarkers(BasicDiagnostic diagnostic) {
if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
markerHelper.deleteMarkers(editingDomain.getResourceSet());
if (diagnostic.getSeverity() != Diagnostic.OK) {
try {
markerHelper.createMarkers(diagnostic);
} catch (CoreException exception) {
EcoreEditorPlugin.INSTANCE.log(exception);
}
}
}
}
/**
* Shows a dialog that asks if conflicting changes should be discarded. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected boolean handleDirtyConflict() {
return MessageDialog.openQuestion(getSite().getShell(),
getString("_UI_FileConflict_label"),
getString("_WARN_FileConflict"));
}
/**
* This creates a model editor. <!-- begin-user-doc --> <!-- end-user-doc
* -->
*
* @generated
*/
public EmfAbstractEditor() {
super();
}
protected void initializeEditingDomain() {
adapterFactory = (ComposedAdapterFactory) editingDomain.getAdapterFactory();
// Add a listener to set the most recent command's affected objects to
// be the selection of the viewer with focus.
commandStackListenerHelper.addCommandStackListener(editingDomain, getSite().getWorkbenchWindow().getShell(),
this);
}
@Override
public void mostRecentCommandAffectsResource(Command mostRecentCommand) {
firePropertyChange(IEditorPart.PROP_DIRTY);
}
@Override
public void postCommandStackChanged(Command mostRecentCommand) {
if (mostRecentCommand != null) {
setSelectionToViewer(mostRecentCommand.getAffectedObjects());
}
if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
propertySheetPage.refresh();
}
}
/**
* This sets the selection into whichever viewer is active. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public void setSelectionToViewer(Collection<?> collection) {
final Collection<?> theSelection = collection;
// Make sure it's okay.
//
if (theSelection != null && !theSelection.isEmpty()) {
Runnable runnable = new Runnable() {
@Override
public void run() {
// Try to select the items in the current content viewer of
// the editor.
//
if (selectionViewer != null) {
selectionViewer.setSelection(new StructuredSelection(
theSelection.toArray()), true);
}
}
};
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}.
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public AdapterFactoryEditingDomain getEditingDomain() {
return editingDomain;
}
protected ISelectionChangedListener createSelectionChangedListener() {
return new ISelectionChangedListener() {
// This just notifies those things that are affected by the section.
//
@Override
public void selectionChanged(
SelectionChangedEvent selectionChangedEvent) {
setSelection(selectionChangedEvent.getSelection());
}
};
}
public void createContextMenuFor(StructuredViewer viewer) {
contextMenuHelper.addViewerContextMenu(viewer,
this, this, (WorkbenchActionBarContributor) getActionBarContributor());
dragAndDropHelper.addDragAndDrop(viewer, editingDomain);
IEditorMouseListener listener = getMouseAdapter();
viewer.getControl().addMouseListener(listener);
}
protected IEditorMouseListener getMouseAdapter() {
return mouseAdapterProvider.get();
}
/**
* Returns a diagnostic describing the errors and warnings listed in the
* resource and the specified exception (if any). <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
public Diagnostic analyzeResourceProblems(Resource resource,
Exception exception) {
if (!resource.getErrors().isEmpty()
|| !resource.getWarnings().isEmpty()) {
BasicDiagnostic basicDiagnostic = new BasicDiagnostic(
Diagnostic.ERROR,
"org.eclipse.emf.ecore.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.emf.ecore.editor", 0, getString(
"_UI_CreateModelError_message", resource.getURI()),
new Object[] { exception });
} else {
return Diagnostic.OK_INSTANCE;
}
}
/**
* If there is just one page in the multi-page editor part, this hides the
* single tab at the bottom. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
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 + CONTAINER_Y_SIZE_DELTA);
}
}
}
/**
* If there is more than one page in the multi-page editor part, this shows
* the tabs at the bottom. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
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 - CONTAINER_Y_SIZE_DELTA);
}
}
}
/**
* This is used to track the active viewer. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated
*/
@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. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
@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);
}
}
public IContentOutlinePage getContentOutlinePage() {
if (contentOutlinePage == null) {
contentOutlinePage = emfContentOutlineFactory.create(this);
// 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;
}
public void setSelectionOnRoot(StructuredViewer viewer) {
if (!editingDomain.getResourceSet().getResources().isEmpty()) {
// Select the root object in the view.
viewer.setSelection(new StructuredSelection(editingDomain
.getResourceSet().getResources().get(0)), true);
}
}
/**
* This accesses a cached version of the property sheet. <!-- begin-user-doc
* --> <!-- end-user-doc -->
*
* @generated
*/
public IPropertySheetPage getPropertySheetPage() {
if (propertySheetPage == null) {
propertySheetPage = new ExtendedPropertySheetPage(editingDomain) {
@Override
public void setSelectionToViewer(List<?> selection) {
EmfAbstractEditor.this.setSelectionToViewer(selection);
EmfAbstractEditor.this.setFocus();
}
@Override
public void setActionBars(IActionBars actionBars) {
super.setActionBars(actionBars);
getActionBarContributor().shareGlobalActions(this,
actionBars);
}
};
propertySheetPage
.setPropertySourceProvider(new AdapterFactoryContentProvider(
adapterFactory));
}
return propertySheetPage;
}
public void handleContentOutlineSelection(ISelection selection) {
if (outlineSelectionHandler.getSelectionViewer() == null) {
outlineSelectionHandler.setSelectionViewer(selectionViewer);
}
outlineSelectionHandler.handleContentOutlineSelection(selection);
}
/**
* This is for implementing {@link IEditorPart} and simply tests the command
* stack. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public boolean isDirty() {
return ((BasicCommandStack) editingDomain.getCommandStack())
.isSaveNeeded();
}
@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);
updateProblemIndication = false;
saving = true;
try {
// Do the work within an operation because this is a long running
// activity that modifies the workbench.
new ProgressMonitorDialog(getSite().getShell()).run(true, false, new IRunnableWithProgress() {
@Override
public void run(IProgressMonitor monitor) {
performSave(saveOptions);
}
});
// Refresh the necessary state.
((BasicCommandStack) editingDomain.getCommandStack()).saveIsDone();
firePropertyChange(IEditorPart.PROP_DIRTY);
} catch (Exception exception) {
// Something went wrong that shouldn't.
EcoreEditorPlugin.INSTANCE.log(exception);
}
saving = false;
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. <!-- begin-user-doc
* --> <!-- end-user-doc -->
*
* @generated
*/
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) {
EmfParsleyActivator.logError("EmfAbstractEditor.isPersisted", e);
}
return result;
}
/**
* This always returns true because it is not currently supported. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public boolean isSaveAsAllowed() {
return true;
}
public static final String ECORE_FILE_EXTENSION = "ecore";
public static final String EMOF_FILE_EXTENSION = "emof";
/**
* This also changes the editor's input. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated NOT
*/
@Override
public void doSaveAs() {
new ResourceDialog(getSite().getShell(), null, SWT.NONE) {
@Override
protected boolean isSave() {
return true;
}
@Override
protected boolean processResources() {
List<URI> uris = getURIs();
if (!uris.isEmpty()) {
URI uri = uris.get(0);
doSaveAs(uri, new URIEditorInput(uri));
return true;
} else {
return false;
}
}
}.open();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
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);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public void gotoMarker(IMarker marker) {
try {
if (marker.getType().equals(EValidator.MARKER)) {
String uriAttribute = marker.getAttribute(
EValidator.URI_ATTRIBUTE, null);
if (uriAttribute != null) {
URI uri = URI.createURI(uriAttribute);
EObject eObject = editingDomain.getResourceSet()
.getEObject(uri, true);
if (eObject != null) {
setSelectionToViewer(Collections
.singleton(editingDomain.getWrapper(eObject)));
}
}
}
} catch (CoreException exception) {
EcoreEditorPlugin.INSTANCE.log(exception);
}
}
/**
* This is called during startup. <!-- begin-user-doc --> <!-- end-user-doc
* -->
*
* @generated
*/
@Override
public void init(IEditorSite site, IEditorInput editorInput) {
setSite(site);
setInputWithNotify(editorInput);
setPartName(editorInput.getName());
site.setSelectionProvider(this);
site.getPage().addPartListener(partListener);
initializeEditingDomain();
ResourcesPlugin.getWorkspace().addResourceChangeListener(
resourceChangeListener, IResourceChangeEvent.POST_CHANGE);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public void setFocus() {
getControl(getActivePage()).setFocus();
}
/**
* This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public void addSelectionChangedListener(ISelectionChangedListener listener) {
selectionChangedListeners.add(listener);
}
/**
* This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public void removeSelectionChangedListener(
ISelectionChangedListener listener) {
selectionChangedListeners.remove(listener);
}
/**
* This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to
* return this editor's overall selection. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated
*/
@Override
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. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public void setSelection(ISelection selection) {
editorSelection = selection;
for (ISelectionChangedListener listener : selectionChangedListeners) {
listener.selectionChanged(new SelectionChangedEvent(this, selection));
}
setStatusLineManager(selection);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public void setStatusLineManager(ISelection selection) {
IStatusLineManager statusLineManager = EmfParsleyUiUtil
.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("");
}
}
}