| /******************************************************************************* |
| * Copyright (c) 2014, 2015 TwelveTone LLC 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: |
| * Steven Spungin <steven@spungin.tv> - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.e4.tools.emf.ui.internal.common.component.tabs; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.e4.tools.emf.ui.common.IModelResource; |
| import org.eclipse.emf.common.util.TreeIterator; |
| import org.eclipse.emf.ecore.EAttribute; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| public class ModelResourceContentProvider implements IStructuredContentProvider { |
| |
| private Object[] items = new Object[0]; |
| |
| public ModelResourceContentProvider() { |
| // adapter = new EContentAdapter() { |
| // @Override |
| // public void notifyChanged(Notification notification) { |
| // switch (notification.getEventType()) { |
| // case Notification.REMOVING_ADAPTER: |
| // return; |
| // } |
| // |
| // if (viewer != null && viewer.getControl().isDisposed() == false) { |
| // viewer.refresh(); |
| // } |
| // super.notifyChanged(notification); |
| // |
| // // boolean optimize = false; |
| // // switch (notification.getEventType()) { |
| // // |
| // // case Notification.SET: |
| // // // optimized to only update row if SET and not elementId |
| // // // if the id is modified, we need to reindex our id map |
| // // // (by forcing input) |
| // // if (notification.getFeature() != EmfUtil.getAttribute((EObject) notification.getFeature(), "elementId")) { //$NON-NLS-1$ |
| // // if (viewer instanceof TableViewer) { |
| // // optimize = true; |
| // // } |
| // // } |
| // // break; |
| // // default: |
| // // break; |
| // // } |
| // // if (optimize) { |
| // // EClass eClass = (EClass) ((EAttribute) |
| // // notification.getFeature()).eContainer(); |
| // // ((TableViewer) viewer).update(eClass, null); |
| // // } else { |
| // // viewer.setInput(viewer.getInput()); |
| // // } |
| // } |
| // }; |
| } |
| |
| @Override |
| public Object[] getElements(Object object) { |
| return items; |
| } |
| |
| @Override |
| public void inputChanged(final Viewer viewer, Object oldInput, Object newInput) { |
| ArrayList<EObject> list = new ArrayList<>(); |
| IModelResource modelProvider = (IModelResource) newInput; |
| if (newInput != oldInput && newInput != null) { |
| // ((EObject) |
| // modelProvider.getRoot().get(0)).eAdapters().add(adapter); |
| } |
| if (newInput != null) { |
| TreeIterator<Object> itTree = EcoreUtil.getAllContents(modelProvider.getRoot()); |
| while (itTree.hasNext()) { |
| Object next = itTree.next(); |
| EObject eObject = (EObject) next; |
| EAttribute att = EmfUtil.getAttribute(eObject, "elementId"); //$NON-NLS-1$ |
| if (att != null) { |
| list.add(eObject); |
| } |
| } |
| } |
| |
| items = list.toArray(new Object[0]); |
| } |
| |
| @Override |
| public void dispose() { |
| } |
| } |