| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2007 IBM Corporation 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: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.diagram.core.services; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.epf.diagram.core.DiagramCorePlugin; |
| import org.eclipse.epf.library.edit.util.ProcessUtil; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.epf.uma.Process; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| |
| /** |
| * @author Phong Nguyen Le |
| * @since 1.2 |
| */ |
| public class DiagramService { |
| |
| private Set<DiagramManager> diagramManagers = new HashSet<DiagramManager>(); |
| |
| /** |
| * |
| */ |
| public DiagramService() { |
| } |
| |
| public void dispose() { |
| for (DiagramManager mgr : diagramManagers) { |
| mgr.removeConsumer(this); |
| } |
| } |
| |
| public DiagramManager getDiagramManager(Activity act) { |
| Process proc = TngUtil.getOwningProcess(act); |
| if(proc != null) { |
| DiagramManager mgr = DiagramManager.getInstance(TngUtil.getOwningProcess(act), this); |
| diagramManagers.add(mgr); |
| return mgr; |
| } |
| return null; |
| } |
| |
| public Collection<Diagram> getDiagrams(Activity act) { |
| DiagramManager mgr = getDiagramManager(act); |
| return mgr != null ? DiagramHelper.getDiagrams(act, mgr) : Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * Returns base diagram. |
| * @param act |
| * @param type |
| * @return |
| */ |
| |
| public Diagram getBaseDiagram(Activity act, int type) { |
| if (ProcessUtil.isExtendingOrLocallyContributing(act)) { |
| try { |
| Activity baseAct = (Activity) act |
| .getVariabilityBasedOnElement(); |
| DiagramManager mgr = getDiagramManager(baseAct); |
| List<Diagram> baseDiagrams = mgr.getDiagrams(baseAct, type); |
| if(!baseDiagrams.isEmpty()) { |
| return baseDiagrams.get(0); |
| } |
| } catch (Exception e) { |
| DiagramCorePlugin.getDefault().getLogger().logError( |
| "Error in getting base diagram: ", e); //$NON-NLS-1$ |
| } |
| } |
| return null; |
| } |
| |
| public Diagram getDiagram(Activity act, int type) { |
| try { |
| DiagramManager mgr = getDiagramManager(act); |
| List<Diagram> diagrams = mgr.getDiagrams(act, type); |
| return diagrams.isEmpty() ? null : diagrams.get(0); |
| } |
| catch(Exception e) { |
| DiagramCorePlugin.getDefault().getLogger().logError(e); |
| } |
| return null; |
| } |
| } |