// This Class is (c)opyright 1999 by Geoff Knagge. It may be freely used
// for any non-commercial purpose on the following conditions:
//   1.	You indemnify the copyright holder of all possible liability
//  	resulting from its use.
//   2.	You provide a link back to the source of this file, that is
//	http://browse.to/gogogeoff
//
// Use of this class shows your agreement to the above.

import java.awt.*;
import java.awt.event.*;

public class ColourPanel extends Panel implements MouseListener {
// A ColourPanel is a horiztonal set of panels, which may include any
// of a Panel with a label for the set, several coloured Panels, and
// a results panel, which displays feedback on previous moves.

// The mastermind applet uses an array of these to create the "history"
// section of the game area.


	///////////////////// instance data
	Color[] Colours = {  Color.red, Color.green, 
			Color.yellow, Color.blue, Color.white,
			Color.black, Color.magenta, Color.orange,
			Color.pink, Color.gray};

	Panel[] panels;  // the array of panels
	Label prompt;	 // the text to be displayed to left of the panel
	ResultsCanvas resultsPanel;  // actually a panel in the applet...

	int[] numbers;  // this stores a copy of the colours used for each
			// panel... used when scrolling the history list

	int numright;	// number of pieces in the right spot
	int numwrong;   // number of pieces of the right colour

	PNZColours thisGame;
	int id;		// each has an id so that the main program knows
			// which panel was clicked.


	///////////////////////////////////// Mouse Listener Methods
	// Any class which is defined with the words 
	// "implements MouseListener" must include these methods

	public void mouseClicked(MouseEvent e) {
	// finds which panel was clicked and sends this info to the
	// parent program.
		int subPanel=0;
		for (int cnt=0; cnt<panels.length; cnt++) {
			if (e.getSource()==panels[cnt])
				subPanel = cnt;
		}
		thisGame.panelClicked(id,subPanel);
	}

	public void mouseEntered(MouseEvent e) {}
	public void mouseExited(MouseEvent e) {}
	public void mousePressed(MouseEvent e) {}
	public void mouseReleased(MouseEvent e) {}


	////////////////////////////// Mutator Methods

	public void showresults(int right, int wrong) {
	// Displays feedback of how many pieces are correct...
	// Input : number in right spot, number of correct colours (but
	//         not necessarily in the right spot.
	   if (resultsPanel!=null) {
		resultsPanel.setScore(right,wrong);
		numright = right;
		numwrong = wrong;
  	   }		
	}

	
	public void setPanel(int panel, int colour) {
	// called to change the colour of any of the panels...
	// input : the panel in this set to change (0 is the first),
	//	   the index in colours[] of the colour to display
		if (panel < panels.length) {
			panels[panel].setBackground(Colours[colour]);
			numbers[panel]=colour;
			}
	}

	public void initialise(PNZColours parent,
				String name, 
				int panelcnt, 
				boolean showResults, 
				boolean namePanel, 
				int idnum) {
	// Used to setup a colour panel... called by the constructors
		int panelsToAdd = 0; // how many subpanels in this Panel
		if (showResults) panelsToAdd++;  // add a results panel?
		if (namePanel) panelsToAdd++;    // add a label panel?
		setLayout(new GridLayout(1,panelcnt+panelsToAdd));
		if (showResults)
			resultsPanel = new ResultsCanvas(panelcnt);
		if (namePanel) {
			prompt = new Label(name);
			add(prompt);
			}
		id = idnum;
		thisGame = parent;	// which class to tell when a
					// panel is clicked...
		panels = new Panel[panelcnt];
		numbers = new int[panelcnt];
		for (int cnt=0;cnt<panelcnt;cnt++)
			{
			// set up each individual panel...
			panels[cnt] = new Panel();
			add(panels[cnt]);
			panels[cnt].setBackground(Color.gray);
			// tell the panel which class handles mouse events
		        panels[cnt].addMouseListener(this);
			}
		if (resultsPanel != null) add(resultsPanel);
	}

	/////////////////// Constructors

	public ColourPanel(PNZColours parent,
				String name, 
				int panelcnt, 
				boolean showResults, 
				int idnum) {
		initialise(parent, name, panelcnt,
				showResults, true, idnum);
	}

	public ColourPanel(PNZColours parent, int panelcnt, 
				boolean showResults, int idnum) {
	// Creeates a colourPanel with no label panel
		initialise(parent, "", panelcnt, showResults, 
				false, idnum);
	}


	public ColourPanel(PNZColours parent,String name, int panelcnt,
				 boolean showResults) {
	// creates a ColourPanel with an id of -1
		initialise(parent, name, panelcnt, showResults, true, -1);
	}

	public ColourPanel(PNZColours parent, int panelcnt,
				 boolean showResults) {
	// no label and an if of -1
		initialise(parent, "", panelcnt, showResults, false, -1);
	}

	
}