public void setExpandMode(final ExpandMode expandMode) {
		getOrCreateComponentModel().expandMode = expandMode == null ? ExpandMode.NONE : expandMode;
	}
public void setExpandMode ( final ExpandMode expandMode ) { getOrCreateComponentModel ( ) . expandMode = expandMode == null ? ExpandMode . NONE : expandMode ; }
Sets the row expansion mode.

@param expandMode the expand mode to set.