Skip to content
This repository has been archived by the owner. It is now read-only.
Permalink
master
Go to file
 
 
Cannot retrieve contributors at this time
314 lines (291 sloc) 9.22 KB
package org.xtext.example.statemachine.statemachine.diagram.part;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IWorkspaceRoot;
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.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.emf.common.ui.URIEditorInput;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
import org.eclipse.gef.palette.PaletteRoot;
import org.eclipse.gmf.runtime.common.ui.services.marker.MarkerNavigationService;
import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint;
import org.eclipse.gmf.runtime.diagram.ui.actions.ActionIds;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.IDiagramDocument;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.IDocument;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.IDocumentProvider;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.DiagramDocumentEditor;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorMatchingStrategy;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.SaveAsDialog;
import org.eclipse.ui.ide.IGotoMarker;
import org.eclipse.ui.navigator.resources.ProjectExplorer;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.IShowInTargetList;
import org.eclipse.ui.part.ShowInContext;
import org.xtext.example.statemachine.statemachine.State;
import org.xtext.example.statemachine.statemachine.diagram.navigator.StatemachineNavigatorItem;
import org.xtext.xproperties.FrameworkAdapters;
/**
* @generated
*/
public class StatemachineDiagramEditor extends DiagramDocumentEditor implements
IGotoMarker {
/**
* @generated
*/
public static final String ID = "org.xtext.example.statemachine.statemachine.diagram.part.StatemachineDiagramEditorID"; //$NON-NLS-1$
/**
* @generated
*/
public static final String CONTEXT_ID = "org.xtext.example.statemachine.statemachine.diagram.ui.diagramContext"; //$NON-NLS-1$
/**
* @generated NOT
*/
public StatemachineDiagramEditor() {
super(true);
FrameworkAdapters.addAdapter(new FrameworkAdapters.IAdapter() {
@Override
public boolean appliesTo(Object element) {
return element instanceof IGraphicalEditPart
&& getModel(element) instanceof State;
}
@Override
public EObject getModel(Object element) {
return ((IGraphicalEditPart) element).getNotationView()
.getElement();
}
@Override
public TransactionalEditingDomain getEditingDomain(Object element) {
return ((IGraphicalEditPart) element).getEditingDomain();
}
});
}
/**
* @generated
*/
protected String getContextID() {
return CONTEXT_ID;
}
/**
* @generated
*/
protected PaletteRoot createPaletteRoot(PaletteRoot existingPaletteRoot) {
PaletteRoot root = super.createPaletteRoot(existingPaletteRoot);
new StatemachinePaletteFactory().fillPalette(root);
return root;
}
/**
* @generated
*/
protected PreferencesHint getPreferencesHint() {
return StatemachineDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT;
}
/**
* @generated
*/
public String getContributorId() {
return StatemachineDiagramEditorPlugin.ID;
}
/**
* @generated
*/
@SuppressWarnings("rawtypes")
public Object getAdapter(Class type) {
if (type == IShowInTargetList.class) {
return new IShowInTargetList() {
public String[] getShowInTargetIds() {
return new String[] { ProjectExplorer.VIEW_ID };
}
};
}
return super.getAdapter(type);
}
/**
* @generated
*/
protected IDocumentProvider getDocumentProvider(IEditorInput input) {
if (input instanceof IFileEditorInput
|| input instanceof URIEditorInput) {
return StatemachineDiagramEditorPlugin.getInstance()
.getDocumentProvider();
}
return super.getDocumentProvider(input);
}
/**
* @generated
*/
public TransactionalEditingDomain getEditingDomain() {
IDocument document = getEditorInput() != null ? getDocumentProvider()
.getDocument(getEditorInput()) : null;
if (document instanceof IDiagramDocument) {
return ((IDiagramDocument) document).getEditingDomain();
}
return super.getEditingDomain();
}
/**
* @generated
*/
protected void setDocumentProvider(IEditorInput input) {
if (input instanceof IFileEditorInput
|| input instanceof URIEditorInput) {
setDocumentProvider(StatemachineDiagramEditorPlugin.getInstance()
.getDocumentProvider());
} else {
super.setDocumentProvider(input);
}
}
/**
* @generated
*/
public void gotoMarker(IMarker marker) {
MarkerNavigationService.getInstance().gotoMarker(this, marker);
}
/**
* @generated
*/
public boolean isSaveAsAllowed() {
return true;
}
/**
* @generated
*/
public void doSaveAs() {
performSaveAs(new NullProgressMonitor());
}
/**
* @generated
*/
protected void performSaveAs(IProgressMonitor progressMonitor) {
Shell shell = getSite().getShell();
IEditorInput input = getEditorInput();
SaveAsDialog dialog = new SaveAsDialog(shell);
IFile original = input instanceof IFileEditorInput ? ((IFileEditorInput) input)
.getFile() : null;
if (original != null) {
dialog.setOriginalFile(original);
}
dialog.create();
IDocumentProvider provider = getDocumentProvider();
if (provider == null) {
// editor has been programmatically closed while the dialog was open
return;
}
if (provider.isDeleted(input) && original != null) {
String message = NLS.bind(
Messages.StatemachineDiagramEditor_SavingDeletedFile,
original.getName());
dialog.setErrorMessage(null);
dialog.setMessage(message, IMessageProvider.WARNING);
}
if (dialog.open() == Window.CANCEL) {
if (progressMonitor != null) {
progressMonitor.setCanceled(true);
}
return;
}
IPath filePath = dialog.getResult();
if (filePath == null) {
if (progressMonitor != null) {
progressMonitor.setCanceled(true);
}
return;
}
IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
IFile file = workspaceRoot.getFile(filePath);
final IEditorInput newInput = new FileEditorInput(file);
// Check if the editor is already open
IEditorMatchingStrategy matchingStrategy = getEditorDescriptor()
.getEditorMatchingStrategy();
IEditorReference[] editorRefs = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage()
.getEditorReferences();
for (int i = 0; i < editorRefs.length; i++) {
if (matchingStrategy.matches(editorRefs[i], newInput)) {
MessageDialog.openWarning(shell,
Messages.StatemachineDiagramEditor_SaveAsErrorTitle,
Messages.StatemachineDiagramEditor_SaveAsErrorMessage);
return;
}
}
boolean success = false;
try {
provider.aboutToChange(newInput);
getDocumentProvider(newInput).saveDocument(progressMonitor,
newInput,
getDocumentProvider().getDocument(getEditorInput()), true);
success = true;
} catch (CoreException x) {
IStatus status = x.getStatus();
if (status == null || status.getSeverity() != IStatus.CANCEL) {
ErrorDialog.openError(shell,
Messages.StatemachineDiagramEditor_SaveErrorTitle,
Messages.StatemachineDiagramEditor_SaveErrorMessage,
x.getStatus());
}
} finally {
provider.changed(newInput);
if (success) {
setInput(newInput);
}
}
if (progressMonitor != null) {
progressMonitor.setCanceled(!success);
}
}
/**
* @generated
*/
public ShowInContext getShowInContext() {
return new ShowInContext(getEditorInput(), getNavigatorSelection());
}
/**
* @generated
*/
private ISelection getNavigatorSelection() {
IDiagramDocument document = getDiagramDocument();
if (document == null) {
return StructuredSelection.EMPTY;
}
Diagram diagram = document.getDiagram();
if (diagram == null || diagram.eResource() == null) {
return StructuredSelection.EMPTY;
}
IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
if (file != null) {
StatemachineNavigatorItem item = new StatemachineNavigatorItem(
diagram, file, false);
return new StructuredSelection(item);
}
return StructuredSelection.EMPTY;
}
/**
* @generated
*/
protected void configureGraphicalViewer() {
super.configureGraphicalViewer();
DiagramEditorContextMenuProvider provider = new DiagramEditorContextMenuProvider(
this, getDiagramGraphicalViewer());
getDiagramGraphicalViewer().setContextMenu(provider);
getSite().registerContextMenu(ActionIds.DIAGRAM_EDITOR_CONTEXT_MENU,
provider, getDiagramGraphicalViewer());
}
}
You can’t perform that action at this time.