| /******************************************************************************* |
| s * Copyright (c) 2013 RCP Vision (http://www.rcp-vision.com) 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: |
| * Lorenzo Bettini - Initial contribution and API |
| *******************************************************************************/ |
| package org.eclipse.emf.parsley.views; |
| |
| |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.parsley.viewers.ViewerFactory; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.part.PageBook; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * An abstract View that visualizes the emf selected resource (it also acts as a |
| * selection provider). |
| * |
| * @author Lorenzo Bettini |
| * |
| */ |
| public abstract class OnSelectionStructuredViewerAbstractView extends AbstractOnSelectionView { |
| |
| private PageBook pagebook; |
| |
| private Label label; |
| |
| private StructuredViewer viewer; |
| |
| @Inject |
| protected ViewerFactory viewerFactory; |
| |
| public OnSelectionStructuredViewerAbstractView() { |
| } |
| |
| public StructuredViewer getViewer() { |
| return viewer; |
| } |
| |
| /** |
| * Sets the viewer and makes the pagebook show it |
| * |
| * @param viewer |
| */ |
| public void setViewer(StructuredViewer viewer) { |
| this.viewer = viewer; |
| pagebook.showPage(viewer.getControl()); |
| } |
| |
| @Override |
| protected void updateOnSelection(IWorkbenchPart sourcepart, |
| ISelection selection) { |
| Object element = getFirstSelectedElement(selection); |
| |
| if (element instanceof Resource) { |
| Resource resource = (Resource) element; |
| performUpdateOnSelection(resource); |
| showEmfViewer(); |
| return; |
| } else if (element instanceof EObject) { |
| EObject eObject = (EObject) element; |
| performUpdateOnSelection(eObject); |
| showEmfViewer(); |
| return; |
| } |
| |
| showText(); |
| } |
| |
| /** |
| * @param eObject |
| */ |
| protected void performUpdateOnSelection(EObject eObject) { |
| viewerFactory.initialize(viewer, eObject); |
| } |
| |
| /** |
| * @param resource |
| */ |
| protected void performUpdateOnSelection(Resource resource) { |
| viewerFactory.initialize(viewer, resource); |
| } |
| |
| @Override |
| public void createPartControl(Composite parent) { |
| super.createPartControl(parent); |
| |
| // the PageBook allows simple switching between two viewers |
| pagebook = new PageBook(parent, SWT.NONE); |
| |
| label = new Label(pagebook, SWT.H_SCROLL | SWT.V_SCROLL); |
| label |
| .setText( |
| "Select one XMI resource in the explorer or any EObject in a view"); |
| |
| viewer = createViewer(pagebook); |
| |
| showText(); |
| |
| getSite().setSelectionProvider(viewer); |
| } |
| |
| /** |
| * Subclasses should implement this. |
| * |
| * @param parent |
| * @return |
| */ |
| protected abstract StructuredViewer createViewer(Composite parent); |
| |
| protected void showText() { |
| pagebook.showPage(label); |
| } |
| |
| protected void showEmfViewer() { |
| pagebook.showPage(viewer.getControl()); |
| } |
| |
| @Override |
| public void setFocus() { |
| pagebook.setFocus(); |
| } |
| |
| public void init(URI resourceURI) { |
| viewerFactory.initialize(viewer, resourceURI); |
| } |
| } |