/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* 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:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
/*
* 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.reuseware.application.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.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.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.reuseware.application.taipan.gmf.editor.part.TaiPanDiagramEditorID"; //$NON-NLS-1$
/**
* @generated
*/
public static final String CONTEXT_ID = "org.reuseware.application.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;
Collection uris = new HashSet();
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;
Resource modelElementResource = modelElement
.eResource();
uris.add(modelElementResource.getURI().appendFragment(
modelElementResource
.getURIFragment(modelElement)));
}
}
}
List result = new ArrayList();
for (Iterator it = uris.iterator(); it.hasNext();) {
URI nextURI = (URI) it.next();
EObject modelObject = getEditingDomain().getResourceSet()
.getEObject(nextURI, true);
result.add(modelObject);
}
return result;
}
/**
* @generated
*/
protected abstract Object getJavaObject(TransferData data);
}
}