Bug 36514 call hierarchy: should remove 'search ... using ..' preferences
we should decide whether the answer should be true or false and remove the preference settings - no user will ever understand what the setting means
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.ui.IContextMenuConstants;
import org.eclipse.jdt.ui.JavaElementLabelProvider;
import org.eclipse.jdt.ui.actions.CCPActionGroup;
import org.eclipse.jdt.ui.actions.GenerateActionGroup;
import org.eclipse.jdt.ui.actions.JavaSearchActionGroup;
import org.eclipse.jdt.ui.actions.OpenEditorActionGroup;
import org.eclipse.jdt.ui.actions.OpenViewActionGroup;
import org.eclipse.jdt.ui.actions.RefactorActionGroup;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.actions.CompositeActionGroup;
import org.eclipse.jdt.internal.ui.dnd.DelegatingDropAdapter;
import org.eclipse.jdt.internal.ui.dnd.JdtViewerDragAdapter;
import org.eclipse.jdt.internal.ui.dnd.LocalSelectionTransfer;
import org.eclipse.jdt.internal.ui.dnd.TransferDragSourceListener;
import org.eclipse.jdt.internal.ui.dnd.TransferDropTargetListener;
import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
import org.eclipse.jdt.internal.ui.packageview.SelectionTransferDragAdapter;
import org.eclipse.jdt.internal.ui.util.JavaUIHelp;
import org.eclipse.jdt.internal.ui.viewsupport.StatusBarUpdater;
import org.eclipse.jdt.internal.corext.callhierarchy.CallHierarchy;
import org.eclipse.jdt.internal.corext.callhierarchy.CallLocation;
import org.eclipse.jdt.internal.corext.callhierarchy.MethodWrapper;
/**
 * This is the main view for the callers plugin. It builds a tree of callers/callees
 * and allows the user to double click an entry to go to the selected method.
 *
 */
public class CallHierarchyViewPart extends ViewPart implements IDoubleClickListener,