ResourceMoveParticipant.java :  » IDE-Eclipse » Eclipse-plug-in-development » org » eclipse » pde » internal » ui » refactoring » Java Open Source

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Eclipse plug in development » org » eclipse » pde » internal » ui » refactoring » ResourceMoveParticipant.java
package org.eclipse.pde.internal.ui.refactoring;

import java.util.HashMap;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.CompositeChange;
/*******************************************************************************
 * Copyright (c) 2006 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
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
import org.eclipse.pde.internal.core.WorkspaceModelManager;

public abstract class ResourceMoveParticipant extends PDEMoveParticipant {

  protected boolean isInterestingForExtensions() {
    return true;
  }
  
  protected boolean initialize(Object element) {
    if (element instanceof IResource) {
      IProject project = ((IResource) element).getProject();
      if (WorkspaceModelManager.isPluginProject(project)) {
        fProject = project;
        fElements = new HashMap();
        fElements.put(element, getNewName(getArguments().getDestination(), element));
        return true;
      }
    }
    return false;
  }

  protected void addChange(CompositeChange result, String filename, IProgressMonitor pm)
  throws CoreException {
    IFile file = fProject.getFile(filename);
    if (file.exists()) {
      Change change = PluginManifestChange.createRenameChange(file, 
          fElements.keySet().toArray(), 
          getNewNames(), 
          getTextChange(file),
          pm);
      if (change != null)
        result.add(change);        
    }
  }
  
  protected String getNewName(Object destination, Object element) {
    if (destination instanceof IContainer && element instanceof IResource) {
      StringBuffer buffer = new StringBuffer();
      buffer.append(((IContainer)destination).getProjectRelativePath().toString());
      if (buffer.length() > 0)
        buffer.append('/');
      return buffer.append(((IResource)element).getName()).toString();
    }
    return super.getNewName(destination, element);
  }
  
  protected void addChange(CompositeChange result, IProgressMonitor pm)
  throws CoreException {
    IFile file = fProject.getFile("build.properties"); //$NON-NLS-1$
    if (file.exists()) {
      Change change = BuildPropertiesChange.createRenameChange(
          file, 
          fElements.keySet().toArray(),
          getNewNames(), 
          pm);
      if (change != null)
        result.add(change);
    }
  }

}
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