/*
* Copyright (c) 2014, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.tools.internal.corext.refactoring.rename;
import com.google.dart.tools.core.utilities.io.FilenameUtils;
import com.google.dart.tools.ui.internal.refactoring.RefactoringMessages;
import com.google.dart.tools.ui.internal.refactoring.ServerMoveFileRefactoring;
import com.google.dart.tools.ui.internal.refactoring.ServiceUtils_NEW;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
import org.eclipse.ltk.core.refactoring.participants.RenameArguments;
import org.eclipse.ltk.core.refactoring.participants.RenameParticipant;
/**
* {@link RenameParticipant} for updating resource references in Dart libraries.
*
* @coverage dart.editor.ui.refactoring.core
*/
public class RenameResourceParticipant_NEW extends RenameParticipant {
private IFile file;
@Override
public RefactoringStatus checkConditions(IProgressMonitor pm, CheckConditionsContext context)
throws OperationCanceledException {
return new RefactoringStatus();
}
@Override
public Change createChange(IProgressMonitor pm) throws CoreException, OperationCanceledException {
return null;
}
@Override
public Change createPreChange(IProgressMonitor pm) {
RenameArguments arguments = getArguments();
IPath fileLocation = file.getLocation();
String oldFile = fileLocation.toOSString();
String oldDir = fileLocation.removeLastSegments(1).toOSString();
String newName = arguments.getNewName();
String newFile = FilenameUtils.concat(oldDir, newName);
try {
ServerMoveFileRefactoring refactoring = new ServerMoveFileRefactoring(oldFile);
refactoring.setNewFile(newFile);
if (refactoring.checkAllConditions(pm).hasError()) {
return null;
}
// prepare change
Change change = refactoring.createChange(pm);
change = ServiceUtils_NEW.expandSingleChildCompositeChanges(change);
return change;
} catch (Throwable e) {
return null;
}
}
@Override
public String getName() {
return RefactoringMessages.RenameResourceParticipant_name;
}
@Override
protected boolean initialize(Object element) {
if (element instanceof IFile) {
file = (IFile) element;
return true;
}
return false;
}
}