/*
 * Copyright (c) 2012, 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.ui.internal.refactoring.RefactoringMessages;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
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.DeleteParticipant;

/**
 * {@link DeleteParticipant} for removing resource references in Dart libraries.
 * 
 * @coverage dart.editor.ui.refactoring.core
 */
public class DeleteResourceParticipant extends DeleteParticipant {
  @Override
  public RefactoringStatus checkConditions(IProgressMonitor pm, CheckConditionsContext context)
      throws OperationCanceledException {
    return new RefactoringStatus();
  }

  @Override
  public Change createChange(final IProgressMonitor pm) throws CoreException,
      OperationCanceledException {
    return null;
  }

  @Override
  public String getName() {
    return RefactoringMessages.DeleteResourceParticipant_name;
  }

  @Override
  protected boolean initialize(Object element) {
    if (element instanceof IFile) {
      return true;
    }
    return false;
  }
}