code: public void registerValue(LinearInterpolator value, String name) {
  		// add to properties combobox
  		properties.addItem(name);
  
  		// add to value map
  		values.put(name, value);
  
  		// set as current interpolator
  		panel.setInterpolator(value);
  
  		// enable all input fields
  		enableControls();
  	}
docs: Register a configurable value with the graph panel
  
  @param value The value to be registered
  @param name The name to display for this value