/*******************************************************************************
* Copyright (c) 2000, 2017 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
*
*******************************************************************************/
package org.eclipse.dltk.internal.corext.refactoring.reorg;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.IResourceChangeDescriptionFactory;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.IProjectFragment;
import org.eclipse.dltk.core.IScriptFolder;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.dltk.internal.corext.refactoring.participants.ResourceModifications;
import org.eclipse.dltk.internal.ui.model.DLTKElementResourceMapping;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.CopyArguments;
import org.eclipse.ltk.core.refactoring.participants.IParticipantDescriptorFilter;
import org.eclipse.ltk.core.refactoring.participants.ParticipantManager;
import org.eclipse.ltk.core.refactoring.participants.RefactoringArguments;
import org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant;
import org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor;
import org.eclipse.ltk.core.refactoring.participants.SharableParticipants;
public class CopyModifications extends RefactoringModifications {
private List fCopies;
private List fCopyArguments;
private List fParticipantDescriptorFilter;
public CopyModifications() {
fCopies = new ArrayList();
fCopyArguments = new ArrayList();
fParticipantDescriptorFilter = new ArrayList();
}
public void copy(IResource resource, CopyArguments args) {
add(resource, args, null);
}
public void copy(IModelElement element, CopyArguments javaArgs,
CopyArguments resourceArgs) throws CoreException {
switch (element.getElementType()) {
case IModelElement.PROJECT_FRAGMENT:
copy((IProjectFragment) element, javaArgs, resourceArgs);
break;
case IModelElement.SCRIPT_FOLDER:
copy((IScriptFolder) element, javaArgs, resourceArgs);
break;
case IModelElement.SOURCE_MODULE:
copy((ISourceModule) element, javaArgs, resourceArgs);
break;
default:
add(element, javaArgs, null);
}
}
public void copy(IProjectFragment sourceFolder, CopyArguments javaArgs,
CopyArguments resourceArgs) {
add(sourceFolder, javaArgs, null);
ResourceMapping mapping = DLTKElementResourceMapping
.create(sourceFolder);
if (mapping != null) {
add(mapping, resourceArgs, null);
}
IResource sourceResource = sourceFolder.getResource();
if (sourceResource != null) {
getResourceModifications().addCopyDelta(sourceResource,
resourceArgs);
IFile buildpath = getBuildpathFile(
(IResource) resourceArgs.getDestination());
if (buildpath != null) {
getResourceModifications().addChanged(buildpath);
}
}
}
public void copy(IScriptFolder pack, CopyArguments javaArgs,
CopyArguments resourceArgs) throws CoreException {
add(pack, javaArgs, null);
ResourceMapping mapping = DLTKElementResourceMapping.create(pack);
if (mapping != null) {
add(mapping, resourceArgs, null);
}
IProjectFragment scriptDestination = (IProjectFragment) javaArgs
.getDestination();
if (scriptDestination.getResource() == null)
return;
IScriptFolder newPack = scriptDestination
.getScriptFolder(pack.getElementName());
// Here we have a special case. When we copy a package into the same
// source
// folder than the user will choose an "unused" name at the end which
// will
// lead to the fact that we can copy the pack. Unfortunately we don't
// know
// the new name yet, so we use the current package name.
if (!pack.hasSubfolders()
&& (!newPack.exists() || pack.equals(newPack))) {
// we can do a simple move
IContainer resourceDestination = newPack.getResource().getParent();
createIncludingParents(resourceDestination);
getResourceModifications().addCopyDelta(pack.getResource(),
resourceArgs);
} else {
IContainer resourceDestination = (IContainer) newPack.getResource();
createIncludingParents(resourceDestination);
CopyArguments arguments = new CopyArguments(resourceDestination,
resourceArgs.getExecutionLog());
IResource[] resourcesToCopy = collectResourcesOfInterest(pack);
for (int i = 0; i < resourcesToCopy.length; i++) {
IResource toCopy = resourcesToCopy[i];
getResourceModifications().addCopyDelta(toCopy, arguments);
}
}
}
public void copy(ISourceModule unit, CopyArguments javaArgs,
CopyArguments resourceArgs) throws CoreException {
add(unit, javaArgs, null);
ResourceMapping mapping = DLTKElementResourceMapping.create(unit);
if (mapping != null) {
add(mapping, resourceArgs, null);
}
if (unit.getResource() != null) {
getResourceModifications().addCopyDelta(unit.getResource(),
resourceArgs);
}
}
@Override
public void buildDelta(IResourceChangeDescriptionFactory builder) {
for (int i = 0; i < fCopies.size(); i++) {
Object element = fCopies.get(i);
if (element instanceof IResource) {
ResourceModifications.buildCopyDelta(builder,
(IResource) element,
(CopyArguments) fCopyArguments.get(i));
}
}
getResourceModifications().buildDelta(builder);
}
@Override
public RefactoringParticipant[] loadParticipants(RefactoringStatus status,
RefactoringProcessor owner, String[] natures,
SharableParticipants shared) {
List<RefactoringParticipant> result = new ArrayList<>();
for (int i = 0; i < fCopies.size(); i++) {
result.addAll(Arrays.asList(ParticipantManager.loadCopyParticipants(
status, owner, fCopies.get(i),
(CopyArguments) fCopyArguments.get(i),
(IParticipantDescriptorFilter) fParticipantDescriptorFilter
.get(i),
natures, shared)));
}
result.addAll(Arrays.asList(getResourceModifications()
.getParticipants(status, owner, natures, shared)));
return result.toArray(new RefactoringParticipant[result.size()]);
}
private void add(Object element, RefactoringArguments args,
IParticipantDescriptorFilter filter) {
Assert.isNotNull(element);
Assert.isNotNull(args);
fCopies.add(element);
fCopyArguments.add(args);
fParticipantDescriptorFilter.add(filter);
}
}