| /******************************************************************************* |
| * Copyright (c) 2000, 2007 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.core; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.dltk.core.IModelElement; |
| import org.eclipse.dltk.core.IModelElementDelta; |
| import org.eclipse.dltk.core.IProblemRequestor; |
| import org.eclipse.dltk.core.ModelException; |
| |
| /** |
| * Switch and ISourceModule to working copy mode and signal the working copy |
| * addition through a delta. |
| */ |
| public class BecomeWorkingCopyOperation extends ModelOperation { |
| |
| final IProblemRequestor problemRequestor; |
| |
| /* |
| * Creates a BecomeWorkingCopyOperation for the given working copy. |
| * perOwnerWorkingCopies map is not null if the working copy is a shared |
| * working copy. |
| */ |
| public BecomeWorkingCopyOperation(SourceModule workingCopy, |
| IProblemRequestor problemRequestor) { |
| super(new IModelElement[] { workingCopy }); |
| this.problemRequestor = problemRequestor; |
| } |
| |
| @Override |
| protected void executeOperation() throws ModelException { |
| |
| // open the working copy now to ensure contents are that of the current |
| // state of this element |
| SourceModule workingCopy = getWorkingCopy(); |
| // create if needed, record usage |
| ModelManager.getModelManager().getPerWorkingCopyInfo(workingCopy, true, |
| true, this.problemRequestor); |
| workingCopy.openWhenClosed(workingCopy.createElementInfo(), |
| this.progressMonitor); |
| |
| if (!workingCopy.isPrimary()) { |
| // report added script delta for a non-primary working copy |
| ModelElementDelta delta = new ModelElementDelta(this.getModel()); |
| delta.added(workingCopy); |
| addDelta(delta); |
| } else { |
| IResource resource = workingCopy.getResource(); |
| if (resource != null && resource.isAccessible()) { |
| // report a F_PRIMARY_WORKING_COPY change delta for a primary |
| // working copy |
| ModelElementDelta delta = new ModelElementDelta( |
| this.getModel()); |
| delta.changed(workingCopy, |
| IModelElementDelta.F_PRIMARY_WORKING_COPY); |
| addDelta(delta); |
| } else { |
| // report an ADDED delta |
| ModelElementDelta delta = new ModelElementDelta( |
| this.getModel()); |
| delta.added(workingCopy, |
| IModelElementDelta.F_PRIMARY_WORKING_COPY); |
| addDelta(delta); |
| } |
| } |
| |
| this.resultElements = new IModelElement[] { workingCopy }; |
| } |
| |
| /* |
| * Returns the working copy this operation is working on. |
| */ |
| protected SourceModule getWorkingCopy() { |
| return (SourceModule) getElementToProcess(); |
| } |
| |
| /* |
| * @see ModelOperation#isReadOnly |
| */ |
| @Override |
| public boolean isReadOnly() { |
| return true; |
| } |
| |
| } |