Bug 190360 [pde viz] Nodes appear on top of one another
When the pde view is opened the nodes appear on top of one another.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/internal/navigator/resources/actions/CopyAction.java
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.SelectionListenerAction;
import org.eclipse.ui.part.ResourceTransfer;
/**
 * Standard action for copying the currently selected resources to the clipboard.
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 * 
 * @since 2.0
 */
class CopyAction extends SelectionListenerAction {
    /**
     * The id of this action.
     */
    public static final String ID = PlatformUI.PLUGIN_ID + ".CopyAction"; 
    /**
     * The shell in which to show any dialogs.
     */
    private Shell shell;
    /**
     * System clipboard
     */
    private Clipboard clipboard;
    /**
     * Associated paste action. May be <code>null</code>
     */
    private PasteAction pasteAction;
    /**
     * Creates a new action.