| /******************************************************************************* |
| * Copyright (c) 2007, 2018 Borland Software Corporation and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * Borland Software Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.m2m.internal.qvt.oml.common.ui.action; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| |
| |
| |
| public abstract class EObjectWindowActionDelegate extends WindowActionDelegate { |
| @Override |
| public void selectionChanged(IAction action, ISelection selection) { |
| super.selectionChanged(action, selection); |
| URI sel = getSelectedEObject(false); |
| action.setEnabled(sel != null || getSelectedElement() instanceof IFile); |
| } |
| |
| protected URI getSelectedEObject() { |
| return getSelectedEObject(true); |
| } |
| |
| private URI getSelectedEObject(boolean considerFiles) { |
| Object sel = super.getSelectedElement(); |
| if(sel instanceof EObject) { |
| return EcoreUtil.getURI((EObject)sel); |
| } |
| |
| if(sel instanceof IAdaptable) { |
| IAdaptable adaptable = (IAdaptable)sel; |
| EObject adapted = (EObject)adaptable.getAdapter(EObject.class); |
| if(adapted != null) { |
| return EcoreUtil.getURI(adapted); |
| } |
| } |
| |
| if(sel instanceof IFile && considerFiles) { |
| IFile file = (IFile)sel; |
| try { |
| return URI.createPlatformResourceURI(file.getFullPath().toString(), false); |
| } |
| catch(Exception ignore) { |
| } |
| } |
| |
| return null; |
| } |
| } |