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package org.eclipse.papyrus.example.diagram.simplediagram.navigator;
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.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.papyrus.example.diagram.simplediagram.part.UMLDiagramEditorPlugin;
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;
/**
* @generated
*/
public class UMLNavigatorLinkHelper 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 = UMLDiagramEditorPlugin.getInstance()
.getDocumentProvider().getDiagramDocument(anInput);
if (document == null) {
return StructuredSelection.EMPTY;
}
Diagram diagram = document.getDiagram();
IFile file = WorkspaceSynchronizer.getFile(diagram.eResource());
if (file != null) {
UMLNavigatorItem item = new UMLNavigatorItem(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 UMLAbstractNavigatorItem) {
return;
}
UMLAbstractNavigatorItem abstractNavigatorItem = (UMLAbstractNavigatorItem) aSelection
.getFirstElement();
View navigatorView = null;
if (abstractNavigatorItem instanceof UMLNavigatorItem) {
navigatorView = ((UMLNavigatorItem) abstractNavigatorItem)
.getView();
} else if (abstractNavigatorItem instanceof UMLNavigatorGroup) {
UMLNavigatorGroup navigatorGroup = (UMLNavigatorGroup) abstractNavigatorItem;
if (navigatorGroup.getParent() instanceof UMLNavigatorItem) {
navigatorView = ((UMLNavigatorItem) navigatorGroup.getParent())
.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);
}
}
}
}
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