code: public void setContextValue(String fieldLabel, Context context) {
  		Component c = this.fieldMap.get(fieldLabel);
  		if (c != null) {
  			if (c instanceof ContextSelectComboBox) {
  				((ContextSelectComboBox) c).setSelectedItem(context);
  			} else {
  				handleUnexpectedFieldClass(fieldLabel, c);
  			}
  		}
  	}
docs: Sets the (selected) context of a {@link ContextSelectComboBox} field.
  <p>
  The call to this method has no effect it the context is not present in the combo box.
  
  @param fieldLabel the label of the field
  @param context the context to be set/selected, {@code null} to clear the selection.
  @since 2.6.0
  @see #getContextValue(String)
  @see #addContextSelectField(String, Context)