| /******************************************************************************* |
| * Copyright (c) 2010 Boeing. |
| * 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: |
| * Boeing - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ote.ui.message.watch; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.osee.ote.message.Message; |
| import org.eclipse.osee.ote.message.elements.Element; |
| import org.eclipse.osee.ote.message.elements.RecordElement; |
| import org.eclipse.osee.ote.message.elements.RecordMap; |
| import org.eclipse.ote.ui.message.tree.WatchedMessageNode; |
| |
| /** |
| * @author Andrew M. Finkbeiner |
| */ |
| public class ChildElementNodeContentProvider implements ITreeContentProvider { |
| private WatchedMessageNode input; |
| |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof RecordMap<?>) { |
| RecordMap<?> recordMap = (RecordMap<?>) parentElement; |
| List<Element> list = new ArrayList<Element>(); |
| for (int i = 0; i < recordMap.length(); i++) { |
| RecordElement element = recordMap.get(i); |
| if (recordHasChildrenNotListening(element)) { |
| list.add(element); |
| } |
| } |
| return list.toArray(); |
| } else if (parentElement instanceof RecordElement) { |
| RecordElement recordElement = (RecordElement) parentElement; |
| List<Element> list = new ArrayList<Element>(); |
| for (final Element element : recordElement.getElementMap().values()) { |
| if (!(element instanceof RecordElement)) { |
| if (!input.hasDescendant(new ElementPath(element.getElementPath()))) { |
| list.add(element); |
| } |
| } else { |
| if (recordHasChildrenNotListening((RecordElement) element)) { |
| list.add(element); |
| } |
| } |
| } |
| return list.toArray(); |
| } else if (parentElement instanceof Element) { |
| return new Object[0]; |
| } |
| return new Object[0]; |
| } |
| |
| private boolean recordHasChildrenNotListening(RecordElement element) { |
| if (element instanceof RecordMap<?>) { |
| RecordMap<?> recordMap = (RecordMap<?>) element; |
| for (int i = 0; i < recordMap.length(); i++) { |
| RecordElement recelement = recordMap.get(i); |
| if (recordHasChildrenNotListening(recelement)) { |
| return true; |
| } |
| } |
| |
| } else { |
| for (Element recelement : element.getElementMap().values()) { |
| if (!(recelement instanceof RecordElement)) { |
| if (!input.hasDescendant(new ElementPath(recelement.getElementPath()))) { |
| return true; |
| } |
| } else { |
| if (recordHasChildrenNotListening((RecordElement) recelement)) { |
| return true; |
| } |
| } |
| |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| if (element instanceof RecordElement) { |
| return getChildren(element).length > 0; |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| WatchedMessageNode data = (WatchedMessageNode) inputElement; |
| List<Element> list = new ArrayList<Element>(); |
| |
| Message<?, ?, ?> message = data.getSubscription().getMessage(); |
| for (final Element element : message.getElements()) { |
| if (!(element instanceof RecordElement)) { |
| if (data.findChildElement(new ElementPath(element.getElementPath())) == null) { |
| list.add(element); |
| } |
| } else { |
| list.add(element); |
| } |
| } |
| return list.toArray(); |
| } |
| |
| @Override |
| public void dispose() { |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| input = (WatchedMessageNode) newInput; |
| } |
| |
| } |