/**
 * This is the controller for the Unit Converter application.
 */
public class UnitConvController
{
	// TODO: Declare attributes as needed.
	;

	
	/**
	 * Initialises this controller with the passed model and view.
	 * @param model the model to associate with this controller
	 * @param view the view to associate with this controller
	 */
	public UnitConvController(UnitConvModel model, UnitConvView view)
	{
		// TODO: Initialize this controller as needed.
		;
	}

	// TODO: Implement public methods as needed.
	;


	/**
	 * Abstract base class for classes that listen for conversion events.
	 */
	private abstract class ConversionListener implements ActionListener
	{
		/**
		 * Defines how to perform the conversion.
		 * @param inputValue the value to convert
		 */
		protected abstract void doOperation(double inputValue);
	
		/**
		 * Parses the user's input, delegates to doOperation, then updates
		 * the result value. If the user's input is not parsable as a double,
		 * use Double.NaN instead.		  
		 */
		@Override
		public void actionPerformed(ActionEvent action)
		{
			// TODO: Parse the user's input, delegate to doOperation,
			// then update the result value.
			;
		}
	}

	private class CToFListener extends ConversionListener
	{
		@Override
		protected void doOperation(double userValue)
		{
			// TODO: Delegate to the appropriate method in the model.
			;
		}
	}
	
	// TODO: Implement other private listener classes for each conversion.
	;

	
	/**
	 * Abstract base class for classes that listen for menu events
	 */
	private abstract class MenuListener implements ActionListener
	{
		; // Nothing here.
	}
	
	private class SaveListener extends MenuListener
	{
		@Override
		public void actionPerformed(ActionEvent action)
		{
			// TODO: Get the file chooser result and delegate to
			// the appropriate method in the model.
			;
		}
	}

	// TODO: Implement other private listener classes for each menu item.
	;

	
}