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
updateView();
        }
    }
    /**
     * called from ToggleCallModeAction.
     * @param orientation CALL_MODE_CALLERS or CALL_MODE_CALLEES
     */
    void setJavaLabelFormat(int format) {
        if (fCurrentJavaLabelFormat != format) {
            for (int i = 0; i < fToggleJavaLabelFormatActions.length; i++) {
                fToggleJavaLabelFormatActions[i].setChecked(format == fToggleJavaLabelFormatActions[i].getFormat());
            }
            fCurrentJavaLabelFormat = format;
            fDialogSettings.put(DIALOGSTORE_JAVA_LABEL_FORMAT, format);
            fCallHierarchyViewer.setJavaLabelFormat(fCurrentJavaLabelFormat);
        }
    }
    public IJavaSearchScope getSearchScope() {
        return fSearchScopeActions.getSearchScope();
    }
    public void setShowCallDetails(boolean show) {
        fShowCallDetails = show;
        showOrHideCallDetailsView();
    }
    private void initDragAndDrop() {
        Transfer[] transfers= new Transfer[] { LocalSelectionTransfer.getInstance() };
        int ops= DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK;
        addDragAdapters(fCallHierarchyViewer, ops, transfers);
        addDropAdapters(fCallHierarchyViewer, ops | DND.DROP_DEFAULT, transfers);
        addDropAdapters(fLocationViewer, ops | DND.DROP_DEFAULT, transfers);