UMLNavigatorLinkHelper.java example

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modellipse-master
/*****************************************************************************
 * Copyright (c) 2009 Atos Origin.
 *
 *    
 * 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:
 *  Emilien Perico (Atos Origin) emilien.perico@atosorigin.com - Initial API and implementation
 *
 *****************************************************************************/
package org.eclipse.papyrus.uml.diagram.usecase.navigator;

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.uml.diagram.usecase.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);
		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);
			}
		}
	}
}