/*******************************************************************************
* Copyright (c) 2010 Michal Antkiewicz.
* 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:
* Michal Antkiewicz - initial API and implementation
******************************************************************************/
/**
*
*
*
* $Id: StrutsEditor.java,v 1.5 2008/03/20 16:25:27 Michal Antkiewicz <mantkiew@gsd.uwaterloo.ca> $
*/
package ca.uwaterloo.gsd.struts.ui;
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.EValidator;
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.celleditor.AdapterFactoryTreeEditor;
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.util.EditUIMarkerHelper;
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.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.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.dnd.DND;
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.swt.widgets.Tree;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IFileEditorInput;
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.ide.IGotoMarker;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.MultiPageEditorPart;
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;
import ca.uwaterloo.gsd.fsml.fsml.Model;
import ca.uwaterloo.gsd.fsml.fsml.ModelContainer;
import ca.uwaterloo.gsd.fsml.fsml.provider.FsmlItemProviderAdapterFactory;
import ca.uwaterloo.gsd.fsml.ui.IFsmlEditor;
import ca.uwaterloo.gsd.struts.edit.StrutsEditPlugin;
import ca.uwaterloo.gsd.struts.edit.StrutsItemProviderAdapterFactory;
/**
* This is an example of a Struts model editor.
*
* @author Michal Antkiewicz <mantkiew@gsd.uwaterloo.ca>
*
* @generated NOT
*/
public class StrutsEditor
extends MultiPageEditorPart
implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker, IFsmlEditor {
/**
* This keeps track of the editing domain that is used to track all changes to the model.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected AdapterFactoryEditingDomain editingDomain;
/**
* This is the one adapter factory used for providing views of the model.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ComposedAdapterFactory adapterFactory;
/**
* This is the content outline page.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected IContentOutlinePage contentOutlinePage;
/**
* This is a kludge...
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected IStatusLineManager contentOutlineStatusLineManager;
/**
* This is the content outline page's viewer.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected TreeViewer contentOutlineViewer;
/**
* 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 TreeViewer selectionViewer;
/**
* This keeps track of the active content viewer, which may be either one of the viewers in the pages or the content outline viewer.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected Viewer currentViewer;
/**
* This listens to which ever viewer is active.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ISelectionChangedListener selectionChangedListener;
/**
* 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 selectionChangedListeners = new ArrayList();
/**
* 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
*/
protected IPartListener partListener =
new IPartListener() {
public void partActivated(IWorkbenchPart p) {
if (p instanceof ContentOutline) {
if (((ContentOutline)p).getCurrentPage() == contentOutlinePage) {
getActionBarContributor().setActiveEditor(StrutsEditor.this);
setCurrentViewer(contentOutlineViewer);
}
}
else if (p instanceof PropertySheet) {
if (((PropertySheet)p).getCurrentPage() == propertySheetPage) {
getActionBarContributor().setActiveEditor(StrutsEditor.this);
handleActivate();
}
}
else if (p == StrutsEditor.this) {
handleActivate();
}
}
public void partBroughtToTop(IWorkbenchPart p) {
}
public void partClosed(IWorkbenchPart p) {
}
public void partDeactivated(IWorkbenchPart p) {
}
public void partOpened(IWorkbenchPart p) {
}
};
/**
* Resources that have been removed since last activation.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected Collection removedResources = new ArrayList();
/**
* Resources that have been changed since last activation.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected Collection changedResources = new ArrayList();
/**
* Resources that have been saved.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected Collection savedResources = new ArrayList();
/**
* Map to store the diagnostic associated with a resource.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected Map resourceToDiagnosticMap = new LinkedHashMap();
/**
* 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
*/
protected EContentAdapter problemIndicationAdapter =
new EContentAdapter() {
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)notification.getNotifier(), 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();
}
});
}
}
}
}
else {
super.notifyChanged(notification);
}
}
protected void setTarget(Resource target) {
basicSetTarget(target);
}
protected void unsetTarget(Resource target) {
basicUnsetTarget(target);
}
};
/**
* This listens for workspace changes.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected IResourceChangeListener resourceChangeListener =
new IResourceChangeListener() {
public void resourceChanged(IResourceChangeEvent event) {
// Only listening to these.
// if (event.getType() == IResourceDelta.POST_CHANGE)
{
IResourceDelta delta = event.getDelta();
try {
class ResourceDeltaVisitor implements IResourceDeltaVisitor {
protected ResourceSet resourceSet = editingDomain.getResourceSet();
protected Collection changedResources = new ArrayList();
protected Collection removedResources = new ArrayList();
public boolean visit(IResourceDelta delta) {
if (delta.getFlags() != IResourceDelta.MARKERS &&
delta.getResource().getType() == IResource.FILE) {
if ((delta.getKind() & (IResourceDelta.CHANGED | IResourceDelta.REMOVED)) != 0) {
Resource resource = resourceSet.getResource(URI.createURI(delta.getFullPath().toString()), false);
if (resource != null) {
if ((delta.getKind() & IResourceDelta.REMOVED) != 0) {
removedResources.add(resource);
}
else if (!savedResources.remove(resource)) {
changedResources.add(resource);
}
}
}
}
return true;
}
public Collection getChangedResources() {
return changedResources;
}
public Collection getRemovedResources() {
return removedResources;
}
}
ResourceDeltaVisitor visitor = new ResourceDeltaVisitor();
delta.accept(visitor);
if (!visitor.getRemovedResources().isEmpty()) {
removedResources.addAll(visitor.getRemovedResources());
if (!isDirty()) {
getSite().getShell().getDisplay().asyncExec
(new Runnable() {
public void run() {
getSite().getPage().closeEditor(StrutsEditor.this, false);
StrutsEditor.this.dispose();
}
});
}
}
if (!visitor.getChangedResources().isEmpty()) {
changedResources.addAll(visitor.getChangedResources());
if (getSite().getPage().getActiveEditor() == StrutsEditor.this) {
getSite().getShell().getDisplay().asyncExec
(new Runnable() {
public void run() {
handleActivate();
}
});
}
}
}
catch (CoreException exception) {
StrutsEditPlugin.INSTANCE.log(exception);
}
}
}
};
/**
* 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(StrutsEditor.this, false);
StrutsEditor.this.dispose();
}
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 (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) {
editingDomain.getCommandStack().flush();
updateProblemIndication = false;
for (Iterator i = changedResources.iterator(); i.hasNext(); ) {
Resource resource = (Resource)i.next();
if (resource.isLoaded()) {
resource.unload();
try {
resource.load(Collections.EMPTY_MAP);
}
catch (IOException exception) {
if (!resourceToDiagnosticMap.containsKey(resource)) {
resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
}
}
}
}
updateProblemIndication = true;
updateProblemIndication();
}
}
/**
* 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 =
new BasicDiagnostic
(Diagnostic.OK,
"ca.uwaterloo.gsd.struts",
0,
null,
new Object [] { editingDomain.getResourceSet() });
for (Iterator i = resourceToDiagnosticMap.values().iterator(); i.hasNext(); ) {
Diagnostic childDiagnostic = (Diagnostic)i.next();
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) {
StrutsEditPlugin.INSTANCE.log(exception);
}
}
if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
markerHelper.deleteMarkers(editingDomain.getResourceSet());
if (diagnostic.getSeverity() != Diagnostic.OK) {
try {
markerHelper.createMarkers(diagnostic);
}
catch (CoreException exception) {
StrutsEditPlugin.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 StrutsEditor() {
super();
// Create an adapter factory that yields item providers.
//
List factories = new ArrayList();
factories.add(new ResourceItemProviderAdapterFactory());
factories.add(new StrutsItemProviderAdapterFactory());
factories.add(new FsmlItemProviderAdapterFactory());
factories.add(new ReflectiveItemProviderAdapterFactory());
adapterFactory = new ComposedAdapterFactory(factories);
// Create the command stack that will notify this editor as commands are executed.
//
BasicCommandStack commandStack = new BasicCommandStack();
// Add a listener to set the most recent command's affected objects to be the selection of the viewer with focus.
//
commandStack.addCommandStackListener
(new CommandStackListener() {
public void commandStackChanged(final EventObject event) {
getContainer().getDisplay().asyncExec
(new Runnable() {
public void run() {
firePropertyChange(IEditorPart.PROP_DIRTY);
// Try to select the affected objects.
//
Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
if (mostRecentCommand != null) {
setSelectionToViewer(mostRecentCommand.getAffectedObjects());
}
if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
propertySheetPage.refresh();
}
}
});
}
});
// Create the editing domain with a special command stack.
//
editingDomain = new AdapterFactoryEditingDomain(adapterFactory, commandStack, new HashMap());
}
/**
* This is here for the listener to be able to call it.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void firePropertyChange(int action) {
super.firePropertyChange(action);
}
/**
* 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()) {
// I don't know if this should be run this deferred
// because we might have to give the editor a chance to process the viewer update events
// and hence to update the views first.
//
//
Runnable runnable =
new Runnable() {
public void run() {
// Try to select the items in the current content viewer of the editor.
//
if (currentViewer != null) {
currentViewer.setSelection(new StructuredSelection(theSelection.toArray()), true);
}
}
};
runnable.run();
}
}
/**
* 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
*/
public EditingDomain getEditingDomain() {
return editingDomain;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class ReverseAdapterFactoryContentProvider extends AdapterFactoryContentProvider {
public ReverseAdapterFactoryContentProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
public Object [] getElements(Object object) {
Object parent = super.getParent(object);
return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
}
public Object [] getChildren(Object object) {
Object parent = super.getParent(object);
return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
}
public boolean hasChildren(Object object) {
Object parent = super.getParent(object);
return parent != null;
}
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.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
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.
//
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.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Viewer getViewer() {
return currentViewer;
}
/**
* This creates a context menu for the viewer and adds a listener as well registering the menu for extension.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected 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, viewer);
int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
Transfer[] transfers = new Transfer[] { LocalTransfer.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.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void createModel() {
// Assumes that the input is a file object.
//
IFileEditorInput modelFile = (IFileEditorInput)getEditorInput();
URI resourceURI = URI.createPlatformResourceURI(modelFile.getFile().getFullPath().toString());;
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 dignostic 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,
"ca.uwaterloo.gsd.struts",
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,
"ca.uwaterloo.gsd.struts",
0,
getString("_UI_CreateModelError_message", resource.getURI()),
new Object[] { exception });
}
else {
return Diagnostic.OK_INSTANCE;
}
}
protected Model model;
/**
* This is the method used by the framework to install your own controls.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public void createPages() {
// Creates the model from the editor input
//
createModel();
// Only creates the other pages if there is something that can be edited
//
if (!getEditingDomain().getResourceSet().getResources().isEmpty() &&
!((Resource)getEditingDomain().getResourceSet().getResources().get(0)).getContents().isEmpty()) {
// Create a page for the selection tree view.
//
Tree tree = new Tree(getContainer(), SWT.MULTI);
selectionViewer = new TreeViewer(tree);
setCurrentViewer(selectionViewer);
selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
selectionViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
ModelContainer input = (ModelContainer) ((Resource) editingDomain.getResourceSet().getResources().get(0)).getAllContents().next();
selectionViewer.setInput(input);
model = input.getAssertedModel();
selectionViewer.setSelection(new StructuredSelection(model), true);
new AdapterFactoryTreeEditor(selectionViewer.getTree(), adapterFactory);
createContextMenuFor(selectionViewer);
int pageIndex = addPage(tree);
setPageText(pageIndex, getString("_UI_SelectionPage_label"));
setActivePage(0);
}
// Ensures that this editor will only display the page's tab
// area if there are more than one page
//
getContainer().addControlListener
(new ControlAdapter() {
boolean guard = false;
public void controlResized(ControlEvent event) {
if (!guard) {
guard = true;
hideTabs();
guard = false;
}
}
});
updateProblemIndication();
}
/**
* 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 + 6);
}
}
}
/**
* 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 - 6);
}
}
}
/**
* This is used to track the active viewer.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
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
*/
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.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public IContentOutlinePage getContentOutlinePage() {
if (contentOutlinePage == null) {
// The content outline is just a tree.
//
class MyContentOutlinePage extends ContentOutlinePage {
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.
//
ArrayList selection = new ArrayList();
selection.add(editingDomain.getResourceSet().getResources().get(0));
contentOutlineViewer.setSelection(new StructuredSelection(selection), true);
}
}
public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) {
super.makeContributions(menuManager, toolBarManager, statusLineManager);
contentOutlineStatusLineManager = statusLineManager;
}
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.
//
public void selectionChanged(SelectionChangedEvent event) {
handleContentOutlineSelection(event.getSelection());
}
});
}
return contentOutlinePage;
}
/**
* 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) {
public void setSelectionToViewer(List selection) {
StrutsEditor.this.setSelectionToViewer(selection);
StrutsEditor.this.setFocus();
}
public void setActionBars(IActionBars actionBars) {
super.setActionBars(actionBars);
getActionBarContributor().shareGlobalActions(this, actionBars);
}
};
propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
}
return propertySheetPage;
}
/**
* This deals with how we want selection in the outliner to affect the other views.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void handleContentOutlineSelection(ISelection selection) {
if (selectionViewer != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
Iterator selectedElements = ((IStructuredSelection)selection).iterator();
if (selectedElements.hasNext()) {
// Get the first selected element.
//
Object selectedElement = selectedElements.next();
ArrayList selectionList = new ArrayList();
selectionList.add(selectedElement);
while (selectedElements.hasNext()) {
selectionList.add(selectedElements.next());
}
// Set the selection to the widget.
//
selectionViewer.setSelection(new StructuredSelection(selectionList));
}
}
}
/**
* This is for implementing {@link IEditorPart} and simply tests the command stack.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isDirty() {
return ((BasicCommandStack)editingDomain.getCommandStack()).isSaveNeeded();
}
/**
* This is for implementing {@link IEditorPart} and simply saves the model file.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void doSave(IProgressMonitor progressMonitor) {
// 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.
//
public void execute(IProgressMonitor monitor) {
// Save the resources to the file system.
//
boolean first = true;
for (Iterator i = editingDomain.getResourceSet().getResources().iterator(); i.hasNext(); ) {
Resource resource = (Resource)i.next();
if ((first || !resource.getContents().isEmpty() || isPersisted(resource)) && !editingDomain.isReadOnly(resource)) {
try {
savedResources.add(resource);
resource.save(Collections.EMPTY_MAP);
}
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.
//
StrutsEditPlugin.INSTANCE.log(exception);
}
updateProblemIndication = true;
updateProblemIndication();
}
/**
* This returns wether 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) {
}
return result;
}
/**
* This always returns true because it is not currently supported.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isSaveAsAllowed() {
return true;
}
/**
* This also changes the editor's input.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
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()), new FileEditorInput(file));
}
}
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void doSaveAs(URI uri, IEditorInput editorInput) {
((Resource)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
*/
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) {
StrutsEditPlugin.INSTANCE.log(exception);
}
}
/**
* This is called during startup.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
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);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setFocus() {
getControl(getActivePage()).setFocus();
}
/**
* This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void addSelectionChangedListener(ISelectionChangedListener listener) {
selectionChangedListeners.add(listener);
}
/**
* This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
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
*/
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
*/
public void setSelection(ISelection selection) {
editorSelection = selection;
for (Iterator listeners = selectionChangedListeners.iterator(); listeners.hasNext(); ) {
ISelectionChangedListener listener = (ISelectionChangedListener)listeners.next();
listener.selectionChanged(new SelectionChangedEvent(this, selection));
}
setStatusLineManager(selection);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
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.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
private static String getString(String key) {
return StrutsEditPlugin.INSTANCE.getString(key);
}
/**
* This looks up a string in plugin.properties, making a substitution.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
private static String getString(String key, Object s1) {
return StrutsEditPlugin.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.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void menuAboutToShow(IMenuManager menuManager) {
((IMenuListener)getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EditingDomainActionBarContributor getActionBarContributor() {
return (EditingDomainActionBarContributor)getEditorSite().getActionBarContributor();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public IActionBars getActionBars() {
return getActionBarContributor().getActionBars();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public AdapterFactory getAdapterFactory() {
return adapterFactory;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void dispose() {
updateProblemIndication = false;
ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeListener);
getSite().getPage().removePartListener(partListener);
adapterFactory.dispose();
if (getActionBarContributor().getActiveEditor() == this) {
getActionBarContributor().setActiveEditor(null);
}
if (propertySheetPage != null) {
propertySheetPage.dispose();
}
if (contentOutlinePage != null) {
contentOutlinePage.dispose();
}
super.dispose();
}
/**
* Returns whether the outline view should be presented to the user.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected boolean showOutlineView() {
return false;
}
/**
* @return the asserted model opened in this editor
*/
public Model getModel() {
return model;
}
}