1 /*******************************************************************************
2 * Copyright (c) 2000, 2004 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Common Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/cpl-v10.html
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 package net.sourceforge.phpdt.internal.core;
13 import net.sourceforge.phpdt.core.*;
14 import net.sourceforge.phpdt.core.IJavaElement;
15 import net.sourceforge.phpdt.core.JavaModelException;
18 * Switch and ICompilationUnit to working copy mode
19 * and signal the working copy addition through a delta.
21 public class BecomeWorkingCopyOperation extends JavaModelOperation {
23 IProblemRequestor problemRequestor;
26 * Creates a BecomeWorkingCopyOperation for the given working copy.
27 * perOwnerWorkingCopies map is not null if the working copy is a shared working copy.
29 public BecomeWorkingCopyOperation(CompilationUnit workingCopy, IProblemRequestor problemRequestor) {
30 super(new IJavaElement[] {workingCopy});
31 this.problemRequestor = problemRequestor;
33 protected void executeOperation() throws JavaModelException {
35 // open the working copy now to ensure contents are that of the current state of this element
36 CompilationUnit workingCopy = getWorkingCopy();
37 JavaModelManager.getJavaModelManager().getPerWorkingCopyInfo(workingCopy, true/*create if needed*/, true/*record usage*/, this.problemRequestor);
38 workingCopy.openWhenClosed(workingCopy.createElementInfo(), this.progressMonitor);
40 if (!workingCopy.isPrimary()) {
41 // report added java delta for a non-primary working copy
42 JavaElementDelta delta = new JavaElementDelta(this.getJavaModel());
43 delta.added(workingCopy);
46 if (workingCopy.getResource().isAccessible()) {
47 // report a F_PRIMARY_WORKING_COPY change delta for a primary working copy
48 JavaElementDelta delta = new JavaElementDelta(this.getJavaModel());
49 delta.changed(workingCopy, IJavaElementDelta.F_PRIMARY_WORKING_COPY);
52 // report an ADDED delta
53 JavaElementDelta delta = new JavaElementDelta(this.getJavaModel());
54 delta.added(workingCopy, IJavaElementDelta.F_PRIMARY_WORKING_COPY);
59 this.resultElements = new IJavaElement[] {workingCopy};
62 * Returns the working copy this operation is working on.
64 protected CompilationUnit getWorkingCopy() {
65 return (CompilationUnit)getElementToProcess();
68 * @see JavaModelOperation#isReadOnly
70 public boolean isReadOnly() {