public ToggleClientsAction(GViewer gViewer) {
public ToggleClientsAction(IGViewer gViewer) {
    public ToggleClientsAction(GViewer gViewer) {        super();        this.gViewer = gViewer;        if ( ( ( DownloadTableTreeViewer ) gViewer ).clientsDisplayed()) {            setText(G2GuiResources.getString("MISC_HIDE") + G2GuiResources.getString("TT_Clients"));            setImageDescriptor(G2GuiResources.getImageDescriptor("minus"));        }         else {            setText(G2GuiResources.getString("MISC_SHOW") + G2GuiResources.getString("TT_Clients"));            setImageDescriptor(G2GuiResources.getImageDescriptor("plus"));        }    }