| /******************************************************************************* |
| * 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.emf.parsley.handlers; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| |
| /** |
| * This class is used in editors to manage the outline selection. |
| * @author Lorenzo Bettini |
| * @see EmfAbstractEditor |
| */ |
| public class OutlineSelectionHandler { |
| protected StructuredViewer selectionViewer; |
| |
| public StructuredViewer getSelectionViewer() { |
| return selectionViewer; |
| } |
| |
| public void setSelectionViewer(StructuredViewer selectionViewer) { |
| this.selectionViewer = selectionViewer; |
| } |
| |
| public void handleContentOutlineSelection(ISelection selection) { |
| if (selectionViewer != null && !selection.isEmpty() |
| && selection instanceof IStructuredSelection) { |
| Iterator<?> selectedElements = ((IStructuredSelection) selection) |
| .iterator(); |
| if (selectedElements.hasNext()) { |
| // Get the first selected element. |
| // |
| Object selectedElement = selectedElements.next(); |
| |
| List<Object> selectionList = new ArrayList<Object>(); |
| selectionList.add(selectedElement); |
| while (selectedElements.hasNext()) { |
| selectionList.add(selectedElements.next()); |
| } |
| |
| // Set the selection to the widget. |
| // |
| selectionViewer.setSelection(new StructuredSelection( |
| selectionList)); |
| } |
| } |
| } |
| } |