/**
* Copyright (c) 2011 committers of YAKINDU 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:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.sct.ui.navigator;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
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.resource.ResourceSet;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.DiagramDocumentEditor;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.navigator.ILinkHelper;
import org.eclipse.ui.part.FileEditorInput;
import org.yakindu.base.xtext.utils.jface.viewers.util.ActiveEditorTracker;
import org.yakindu.sct.ui.navigator.utils.ComposedAdapterFactoryUtil;
/**
*
* @author m.muehlbrandt
*
*/
public class NavigatorLinkHelper implements ILinkHelper {
private AdapterFactoryContentProvider myAdapterFctoryContentProvier;
public NavigatorLinkHelper() {
myAdapterFctoryContentProvier = new AdapterFactoryContentProvider(
ComposedAdapterFactoryUtil.FACTORY);
}
private static IEditorInput getEditorInput(Diagram diagram) {
Resource diagramResource = diagram.eResource();
for (Iterator<EObject> it = diagramResource.getContents().iterator(); it
.hasNext();) {
EObject nextEObject = (EObject) it.next();
if (nextEObject == diagram) {
return new FileEditorInput(
WorkspaceSynchronizer.getFile(diagramResource));
}
if (nextEObject instanceof Diagram) {
break;
}
}
URI uri = EcoreUtil.getURI(diagram);
String editorName = uri.lastSegment() + "#"
+ diagram.eResource().getContents().indexOf(diagram);
IEditorInput editorInput = new URIEditorInput(uri, editorName);
return editorInput;
}
public IStructuredSelection findSelection(IEditorInput anInput) {
IEditorPart activeEditor = ActiveEditorTracker.getLastActiveEditor();
if (activeEditor instanceof DiagramDocumentEditor) {
Diagram diagram = ((DiagramDocumentEditor) activeEditor)
.getDiagram();
IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
if (file != null) {
DomainNavigatorItem item = new DomainNavigatorItem(diagram,
file, myAdapterFctoryContentProvier);
return new StructuredSelection(item);
}
}
return StructuredSelection.EMPTY;
}
public void activateEditor(IWorkbenchPage aPage,
IStructuredSelection aSelection) {
if (aSelection == null || aSelection.isEmpty()) {
return;
}
if (false == aSelection.getFirstElement() instanceof DomainNavigatorItem) {
return;
}
DomainNavigatorItem abstractNavigatorItem = (DomainNavigatorItem) aSelection
.getFirstElement();
View navigatorView = abstractNavigatorItem.getView();
if (navigatorView == null) {
return;
}
IEditorInput editorInput = getEditorInput(navigatorView.getDiagram());
IEditorPart editor = aPage.findEditor(editorInput);
if (editor == null) {
return;
}
aPage.bringToTop(editor);
if (editor instanceof DiagramEditor) {
DiagramEditor diagramEditor = (DiagramEditor) editor;
ResourceSet diagramEditorResourceSet = diagramEditor
.getEditingDomain().getResourceSet();
EObject selectedView = diagramEditorResourceSet.getEObject(
EcoreUtil.getURI(navigatorView), true);
if (selectedView == null) {
return;
}
GraphicalViewer graphicalViewer = (GraphicalViewer) diagramEditor
.getAdapter(GraphicalViewer.class);
EditPart selectedEditPart = (EditPart) graphicalViewer
.getEditPartRegistry().get(selectedView);
if (selectedEditPart != null) {
graphicalViewer.select(selectedEditPart);
graphicalViewer.reveal(selectedEditPart);
}
}
}
}