/*
 * Created on 12.08.2004
 *
 * @author Jens Guenther
 */
package de.unirostock.AbstractFactory.example.awt;


import javax.swing.JPanel;

import de.unirostock.AbstractFactory.example.ShipFactory;

public class MainController 
{

// ------------------------------------------------------------------- //
	// ---- private classes ---------------------------------------------- //
	// ------------------------------------------------------------------- //
	
	private class MainControllerState extends State	{

		/**
		 * 
		 * @uml.property name="controller"
		 * @uml.associationEnd multiplicity="(0 1)"
		 */
		protected MainController itsController;

		protected	JPanel						itsPanel;
	}
	
	private class ChooseFactoryState extends MainControllerState
	{
		public ChooseFactoryState( MainController controller ){
			itsController	= controller;
		}
		
		public void entry()
		{
			// set formerly choosed ShipFactory to null
			itsController.setShipFactory( null );
			// init HeadPane
			itsController.setHeadline( "Auswahl der ShipFactory" );
			// init ChooseFactoryPanel
			if( itsPanel == null ){
				itsPanel	= new ChooseFactoryPanel( itsController );
			}
			itsController.setContentPanel( itsPanel );
			// init ButtonPane  
			itsController.setCancelVisible( false );
			itsController.setOkText( "Blaupausen ansehen >" );
			itsController.getMainPanel().getMainButtonPanel().setCancelState( null );
			itsController.getMainPanel().getMainButtonPanel().setOkState( itsController.getViewComponentState());
		}
	
		public void exit()
		{
			// set ShipFactory to selected ShipFactory
			ShipFactory	selFactory	= ((ChooseFactoryPanel)itsPanel).getSelectedShipFactory();
			itsController.setShipFactory( selFactory );
		}
	}
	
	private class ViewComponentState extends MainControllerState
	{
		public ViewComponentState( MainController controller ){
			itsController	= controller;
		}
		
		public void entry()
		{
			// init HeadPane
			itsController.setHeadline( "Ansicht der ShipComponents" );
			// init ViewComponentPane
			if( itsPanel == null ){
				itsPanel	= new ViewComponentPanel();
			}
			itsController.setContentPanel( itsPanel );
			((ViewComponentPanel)itsPanel).init( itsController.getSelectedShipFactory());
			// init ButtonPane  
			itsController.setCancelVisible( true );
			itsController.setOkText( "Schiff herstellen >" );
			itsController.getMainPanel().getMainButtonPanel().setCancelState( itsController.getChooseFactoryState());
			itsController.getMainPanel().getMainButtonPanel().setOkState( itsController.getAssembledShipState());
		}
	}
	
	private class AssembledShipState extends MainControllerState
	{
		public AssembledShipState( MainController controller ){
			itsController	= controller;
		}
		
		public void entry()
		{
			// init HeadPane
			itsController.setHeadline( "Zusammenbau mittels Shipyard" );
			// init AssembledShipPane
			if( itsPanel == null ){
				itsPanel	= new AssembledShipPanel();
			}
			itsController.setContentPanel( itsPanel );
			((AssembledShipPanel)itsPanel).init( itsController.getSelectedShipFactory());
			// init ButtonPane  
			itsController.setCancelVisible( false );
			itsController.setOkText( "Nächstes Schiff >" );
			itsController.getMainPanel().getMainButtonPanel().setCancelState( null );
			itsController.getMainPanel().getMainButtonPanel().setOkState( itsController.getChooseFactoryState());
		}
	}

	/**
	 * 
	 * @uml.property name="chooseFactoryState"
	 * @uml.associationEnd multiplicity="(0 1)"
	 */
	// ------------------------------------------------------------------- //
	// ---- attributes --------------------------------------------------- //
	// ------------------------------------------------------------------- //
	private State itsChooseFactoryState = null;

	/**
	 * 
	 * @uml.property name="viewComponentState"
	 * @uml.associationEnd multiplicity="(0 1)"
	 */
	private State itsViewComponentState = null;

	/**
	 * 
	 * @uml.property name="assembledShipState"
	 * @uml.associationEnd multiplicity="(0 1)"
	 */
	private State itsAssembledShipState = null;

	/**
	 * 
	 * @uml.property name="mainPanel"
	 * @uml.associationEnd multiplicity="(0 1)"
	 */
	private MainPanel itsMainPanel;

	/**
	 * 
	 * @uml.property name="avaiableFactorys"
	 * @uml.associationEnd multiplicity="(0 -1)"
	 */
	private ShipFactory[] itsAvaiableFactorys;

	/**
	 * 
	 * @uml.property name="shipFactory"
	 * @uml.associationEnd multiplicity="(0 1)"
	 */
	private ShipFactory itsShipFactory;

	/**
	 * 
	 * @uml.property name="state"
	 * @uml.associationEnd multiplicity="(0 1)"
	 */
	private State itsState = null;

				
	// ------------------------------------------------------------------- //
	// ---- constructor -------------------------------------------------- //
	// ------------------------------------------------------------------- //
	
	public MainController( MainPanel view )
	{
		itsMainPanel	= view;
	}
	
	// ------------------------------------------------------------------- //
	// ---- state management --------------------------------------------- //
	// ------------------------------------------------------------------- //
	
	public void init()
	{
		MainHeadPanel		mhp	= new MainHeadPanel();
		MainButtonPanel		mbp	= new MainButtonPanel( this );
		
		itsMainPanel.setHeadPanel( mhp );
		itsMainPanel.setButtonPanel( mbp );
		
		setState( getChooseFactoryState());
	}

	/**
	 * 
	 * @uml.property name="state"
	 */
	protected void setState(State state) {
		if (itsState != null)
			itsState.exit();

		itsState = state;

		if (itsState != null)
			itsState.entry();

		itsMainPanel.repaint();
	}

	/**
	 * 
	 * @uml.property name="chooseFactoryState"
	 */
	private State getChooseFactoryState() {
		if (itsChooseFactoryState == null) {
			itsChooseFactoryState = new ChooseFactoryState(this);
		}
		return itsChooseFactoryState;
	}

	/**
	 * 
	 * @uml.property name="viewComponentState"
	 */
	private State getViewComponentState() {
		if (itsViewComponentState == null) {
			itsViewComponentState = new ViewComponentState(this);
		}
		return itsViewComponentState;
	}

	/**
	 * 
	 * @uml.property name="assembledShipState"
	 */
	private State getAssembledShipState() {
		if (itsAssembledShipState == null) {
			itsAssembledShipState = new AssembledShipState(this);
		}
		return itsAssembledShipState;
	}

	/**
	 * 
	 * @uml.property name="mainPanel"
	 */
	// ------------------------------------------------------------------- //
	// ---- data model --------------------------------------------------- //
	// ------------------------------------------------------------------- //
	protected MainPanel getMainPanel() {
		return itsMainPanel;
	}

	
	public void setAvaiableShipFactorys( ShipFactory[] factorys ){
		itsAvaiableFactorys	= factorys;
	}
	
	public ShipFactory[] getAvaiableShipFactorys(){
		return itsAvaiableFactorys;
	}

	/**
	 * 
	 * @uml.property name="shipFactory"
	 */
	protected void setShipFactory(ShipFactory factory) {
		itsShipFactory = factory;
	}

	
	public ShipFactory getSelectedShipFactory(){
		return itsShipFactory;
	}
	
	protected void setHeadline( String headline ){
		itsMainPanel.getMainHeadPanel().setHeadline( headline );
	}
	
	protected void setCancelVisible( boolean visible ){
		itsMainPanel.getMainButtonPanel().setCancelVisible( visible );
	}
	
	protected void setOkText( String okText ){
		itsMainPanel.getMainButtonPanel().setOkText( okText );
	}
	
	protected void setContentPanel( JPanel contentPanel ){
		itsMainPanel.setContentPanel( contentPanel );
	}
	
}