Bug 7914 Cannot copy a Java project in the packages view
There is no way to copy a Java project in the packages view. You can copy a project in the Navigator. This is a functional gap.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/reorg/MoveAction.java
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.ui.JavaElementContentProvider;
import org.eclipse.jdt.internal.corext.refactoring.Assert;
import org.eclipse.jdt.internal.corext.refactoring.base.IChange;
import org.eclipse.jdt.internal.corext.refactoring.base.Refactoring;
import org.eclipse.jdt.internal.corext.refactoring.reorg.MoveRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.reorg.ReorgRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.reorg.ReorgUtils;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.actions.StructuredSelectionProvider;
import org.eclipse.jdt.internal.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings;
import org.eclipse.jdt.internal.ui.refactoring.CreateChangeOperation;
import org.eclipse.jdt.internal.ui.refactoring.RefactoringWizard;
import org.eclipse.jdt.internal.ui.refactoring.RefactoringWizardDialog;
import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
public class MoveAction extends ReorgDestinationAction {
	private boolean fShowPreview= false;
	
	public MoveAction(String name, StructuredSelectionProvider provider) {
		super(name, provider);
		setDescription(ReorgMessages.getString("moveAction.description")); 
	}