/*
* Copyright (c) 2012-2016 Marsha Chechik, Alessio Di Sandro, Michalis Famelis,
* Rick Salay.
* 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:
* Alessio Di Sandro - Implementation.
*/
package edu.toronto.cs.se.modelepedia.classdiagram.diagram.navigator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IAdaptable;
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.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.document.IDiagramDocument;
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 edu.toronto.cs.se.modelepedia.classdiagram.diagram.part.ClassDiagramDiagramEditorPlugin;
/**
* @generated
*/
public class ClassDiagramNavigatorLinkHelper implements ILinkHelper {
/**
* @generated
*/
private static IEditorInput getEditorInput(Diagram diagram) {
Resource diagramResource = diagram.eResource();
for (EObject nextEObject : diagramResource.getContents()) {
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;
}
/**
* @generated
*/
public IStructuredSelection findSelection(IEditorInput anInput) {
IDiagramDocument document = ClassDiagramDiagramEditorPlugin
.getInstance()
.getDocumentProvider()
.getDiagramDocument(anInput);
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) {
ClassDiagramNavigatorItem item = new ClassDiagramNavigatorItem(diagram, file, false);
return new StructuredSelection(item);
}
return StructuredSelection.EMPTY;
}
/**
* @generated
*/
public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
if (aSelection == null || aSelection.isEmpty()) {
return;
}
if (false == aSelection.getFirstElement() instanceof ClassDiagramAbstractNavigatorItem) {
return;
}
ClassDiagramAbstractNavigatorItem abstractNavigatorItem = (ClassDiagramAbstractNavigatorItem) aSelection
.getFirstElement();
View navigatorView = null;
if (abstractNavigatorItem instanceof ClassDiagramNavigatorItem) {
navigatorView = ((ClassDiagramNavigatorItem) abstractNavigatorItem).getView();
}
else if (abstractNavigatorItem instanceof ClassDiagramNavigatorGroup) {
ClassDiagramNavigatorGroup navigatorGroup = (ClassDiagramNavigatorGroup) abstractNavigatorItem;
if (navigatorGroup.getParent() instanceof ClassDiagramNavigatorItem) {
navigatorView = ((ClassDiagramNavigatorItem) navigatorGroup.getParent()).getView();
}
else if (navigatorGroup.getParent() instanceof IAdaptable) {
navigatorView = (View) ((IAdaptable) navigatorGroup.getParent()).getAdapter(View.class);
}
}
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);
}
}
}
}