| //------------------------------------------------------------------------------ |
| // 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 |
| //------------------------------------------------------------------------------ |
| //------------------------------------------------------------------------------ |
| // 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.part; |
| |
| import java.io.InputStream; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IStorage; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.workspace.util.WorkspaceSynchronizer; |
| import org.eclipse.epf.common.CommonPlugin; |
| import org.eclipse.epf.diagram.core.DiagramCorePlugin; |
| import org.eclipse.epf.diagram.core.services.DiagramManager; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.ui.services.IDisposable; |
| |
| /** |
| * @author Phong Nguyen Le |
| * |
| * @since 1.2 |
| */ |
| public class DiagramEditorInputProxy extends DiagramFileEditorInputProxy implements IDisposable |
| { |
| private static final boolean DEBUG = DiagramCorePlugin.getDefault().isDebugging(); |
| |
| private Diagram diagram; |
| |
| private PreferencesHint preferenceHint; |
| |
| private boolean isNewDiagram; |
| |
| public DiagramEditorInputProxy(DiagramEditorInput input, PreferencesHint hint) { |
| super(input); |
| this.preferenceHint = hint; |
| } |
| |
| public void dispose() { |
| diagram = null; |
| } |
| |
| private Resource getResource() { |
| if(diagram == null || diagram.eResource() == null) { |
| Activity act = (Activity) getDiagramEditorInput().getMethodElement(); |
| org.eclipse.epf.uma.Process process = TngUtil.getOwningProcess(act); |
| if(process != null) { |
| DiagramManager mgr = DiagramManager.getInstance(process, this); |
| try { |
| int diagramType = getDiagramEditorInput().getDiagramType(); |
| List<Diagram> list = mgr.getDiagrams(act, diagramType); |
| if(list.isEmpty()) { |
| diagram = mgr.createDiagram(act, diagramType, preferenceHint); |
| isNewDiagram = diagram != null; |
| } |
| else { |
| diagram = (Diagram) list.get(0); |
| } |
| } |
| catch(Exception e) { |
| CommonPlugin.getDefault().getLogger().logError(e); |
| if(DEBUG) { |
| e.printStackTrace(); |
| } |
| } |
| finally { |
| mgr.removeConsumer(this); |
| } |
| } |
| } |
| return diagram != null ? diagram.eResource() : null; |
| } |
| |
| public IFile getFile() { |
| Resource resource = getResource(); |
| if(resource != null) { |
| return WorkspaceSynchronizer.getFile(resource); |
| } |
| return null; |
| } |
| |
| public IStorage getStorage() throws CoreException { |
| final Resource resource = getResource(); |
| if(resource != null) { |
| return new org.eclipse.epf.diagram.core.resources.IDiagramStorage() { |
| private IFile file; |
| |
| private IFile getFile() { |
| if(file == null) { |
| file = DiagramEditorInputProxy.this.getFile(); |
| } |
| return file; |
| } |
| |
| public InputStream getContents() throws CoreException { |
| return null; |
| } |
| |
| public IPath getFullPath() { |
| return getFile().getFullPath(); |
| } |
| |
| public String getName() { |
| return resource.getURI().toString(); |
| } |
| |
| public boolean isReadOnly() { |
| return getFile().isReadOnly(); |
| } |
| |
| public Object getAdapter(Class adapter) { |
| return getFile().getAdapter(adapter); |
| } |
| |
| public Diagram getDiagram() { |
| return diagram; |
| } |
| |
| }; |
| } |
| return null; |
| } |
| |
| public String getName() { |
| try { |
| return getDiagramEditorInput().getMethodElement().getName(); |
| } |
| catch(NullPointerException e) { |
| return null; |
| } |
| } |
| |
| public ImageDescriptor getImageDescriptor() { |
| return null; |
| } |
| |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.epf.diagram.core.part.DiagramFileEditorInputProxy#exists() |
| */ |
| public boolean exists() { |
| // don't show this input in the list of recently open files |
| // |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.epf.diagram.core.part.DiagramFileEditorInputProxy#getPath() |
| */ |
| public IPath getPath() { |
| return getFile().getLocation(); |
| } |
| |
| public Object getAdapter(Class adapter) { |
| IFile file = getFile(); |
| if(file != null) { |
| if(adapter == IFile.class) { |
| return file; |
| } |
| else { |
| return file.getAdapter(adapter); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if(obj == this) { |
| return true; |
| } |
| if(obj instanceof DiagramEditorInputProxy) { |
| return getDiagramEditorInput().equals(((DiagramEditorInputProxy)obj).getDiagramEditorInput()); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return getDiagramEditorInput().hashCode(); |
| } |
| |
| public PreferencesHint getPreferenceHint() { |
| return preferenceHint; |
| } |
| |
| public boolean isNewDiagram() { |
| return isNewDiagram; |
| } |
| } |