| /* |
| * Copyright (c) 2006, 2007 Borland Software Corporation |
| * |
| * 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: |
| * Dmitry Stadnik (Borland) - initial API and implementation |
| */ |
| package org.eclipse.gmf.examples.taipan.gmf.editor.part; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| 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.IAdaptable; |
| 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.common.util.URI; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.emf.edit.ui.dnd.LocalTransfer; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.gef.EditPartViewer; |
| 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.parts.DiagramDropTargetListener; |
| 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.tooling.runtime.part.LastClickPositionProvider; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.dialogs.IMessageProvider; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.util.LocalSelectionTransfer; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.dnd.TransferData; |
| 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.part.FileEditorInput; |
| import org.eclipse.ui.part.ShowInContext; |
| |
| /** |
| * @generated |
| */ |
| public class TaiPanDiagramEditor extends DiagramDocumentEditor implements IGotoMarker { |
| |
| /** |
| * @generated |
| */ |
| public static final String ID = "org.eclipse.gmf.examples.taipan.gmf.editor.part.TaiPanDiagramEditorID"; //$NON-NLS-1$ |
| |
| /** |
| * @generated |
| */ |
| public static final String CONTEXT_ID = "org.eclipse.gmf.examples.taipan.gmf.editor.ui.diagramContext"; //$NON-NLS-1$ |
| |
| /** |
| * @generated |
| */ |
| public TaiPanDiagramEditor() { |
| super(true); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected String getContextID() { |
| return CONTEXT_ID; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected PaletteRoot createPaletteRoot(PaletteRoot existingPaletteRoot) { |
| PaletteRoot root = super.createPaletteRoot(existingPaletteRoot); |
| new TaiPanPaletteFactory().fillPalette(root); |
| return root; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected PreferencesHint getPreferencesHint() { |
| return TaiPanDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT; |
| } |
| |
| /** |
| * @generated |
| */ |
| public String getContributorId() { |
| return TaiPanDiagramEditorPlugin.ID; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected IDocumentProvider getDocumentProvider(IEditorInput input) { |
| if (input instanceof IFileEditorInput || input instanceof URIEditorInput) { |
| return TaiPanDiagramEditorPlugin.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(TaiPanDiagramEditorPlugin.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.TaiPanDiagramEditor_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.TaiPanDiagramEditor_SaveAsErrorTitle, Messages.TaiPanDiagramEditor_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.TaiPanDiagramEditor_SaveErrorTitle, Messages.TaiPanDiagramEditor_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(), getGraphicalViewer().getSelection()); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected void configureGraphicalViewer() { |
| super.configureGraphicalViewer(); |
| DiagramEditorContextMenuProvider provider = new DiagramEditorContextMenuProvider(this, getDiagramGraphicalViewer()); |
| getDiagramGraphicalViewer().setContextMenu(provider); |
| getSite().registerContextMenu(ActionIds.DIAGRAM_EDITOR_CONTEXT_MENU, provider, getDiagramGraphicalViewer()); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected void initializeGraphicalViewer() { |
| super.initializeGraphicalViewer(); |
| getDiagramGraphicalViewer().addDropTargetListener(new DropTargetListener(getDiagramGraphicalViewer(), LocalSelectionTransfer.getTransfer()) { |
| |
| protected Object getJavaObject(TransferData data) { |
| return LocalSelectionTransfer.getTransfer().nativeToJava(data); |
| } |
| |
| }); |
| getDiagramGraphicalViewer().addDropTargetListener(new DropTargetListener(getDiagramGraphicalViewer(), LocalTransfer.getInstance()) { |
| |
| protected Object getJavaObject(TransferData data) { |
| return LocalTransfer.getInstance().nativeToJava(data); |
| } |
| |
| }); |
| } |
| |
| /** |
| * @generated |
| */ |
| private abstract class DropTargetListener extends DiagramDropTargetListener { |
| |
| /** |
| * @generated |
| */ |
| public DropTargetListener(EditPartViewer viewer, Transfer xfer) { |
| super(viewer, xfer); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected List getObjectsBeingDropped() { |
| TransferData data = getCurrentEvent().currentDataType; |
| HashSet<URI> uris = new HashSet<URI>(); |
| |
| Object transferedObject = getJavaObject(data); |
| if (transferedObject instanceof IStructuredSelection) { |
| IStructuredSelection selection = (IStructuredSelection) transferedObject; |
| for (Iterator<?> it = selection.iterator(); it.hasNext();) { |
| Object nextSelectedObject = it.next(); |
| if (nextSelectedObject instanceof IAdaptable) { |
| IAdaptable adaptable = (IAdaptable) nextSelectedObject; |
| nextSelectedObject = adaptable.getAdapter(EObject.class); |
| } |
| |
| if (nextSelectedObject instanceof EObject) { |
| EObject modelElement = (EObject) nextSelectedObject; |
| uris.add(EcoreUtil.getURI(modelElement)); |
| } |
| } |
| } |
| |
| ArrayList<EObject> result = new ArrayList<EObject>(uris.size()); |
| for (URI nextURI : uris) { |
| EObject modelObject = getEditingDomain().getResourceSet().getEObject(nextURI, true); |
| result.add(modelObject); |
| } |
| return result; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected abstract Object getJavaObject(TransferData data); |
| |
| } |
| |
| } |