/*
Project #2
Java Applet to be included in Java Script table
Lisa M. Snyder
January 25, 1999

Creates the probable bay of a nave wall based on year and width parameters passed by the java script.
*/

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

public class bay extends java.applet.Applet
                 implements AdjustmentListener{

int year = 1000;
int bay_width = 40;
int scale = 2;
int number_bays = 3;
section Arcade;
double a_height;
section Triforium;
double t_height;
section Clerestory;
double c_height;
int offset = 10;
int apph;
Scrollbar scrollYear, scrollLength;
Label scrollLabel, scrollLabel2;
int east_length = 6;
Label east[] = new Label[east_length];
//String east[];
String eastlabels[] = {"Number of Bays = ", "Bay Width = ", "Arcade Height = ",
                       "Triforium Height = ", "Clerestory Height = ", "TOTAL HEIGHT = "};
double eastnumbers[] = {(double)(number_bays), (double)(bay_width), a_height/2, t_height/2, c_height/2,
                        (a_height+t_height+c_height)/2};
//Label east[] = new Label[east_length];
//string eastlabels[] = new string[6];
//double eastnumbers[] = new double[6];

// -----------------------------------------------------------------------

public void init()
{
    setBackground (Color.black);
    apph = size().height;
    calcHeight();                           //calulates and saves section heights

    //creates the three wall sections
    Arcade = new section (0,year-1000,bay_width*scale,a_height,offset,apph-offset);
    Triforium = new section (1,year-1000,bay_width*scale,t_height,offset,(int)(apph-(offset+a_height)));
    Clerestory = new section (2,year-1000,bay_width*scale,c_height,offset,(int)(apph-(offset+a_height+t_height)));

    //define layout
    setLayout(new BorderLayout());

    //NORTH PANEL
    //sets north panel
    Panel northP = new Panel();
    northP.setLayout (new GridLayout(2,2));
    northP.setBackground(Color.white);

    //creates the scrollbar on first row for year
    scrollLabel = new Label ("Year Built = " + year, Label.CENTER);
    northP.add(scrollLabel);
    scrollYear = new Scrollbar(Scrollbar.HORIZONTAL,1000,10,1000,1500);
    scrollYear.addAdjustmentListener(this);
    northP.add(scrollYear);

    //creates the scrollbar on second row for length of nave
    scrollLabel2 = new Label ("Nave Length = " + (bay_width*number_bays), Label.CENTER);
    northP.add(scrollLabel2);
    scrollLength = new Scrollbar(Scrollbar.HORIZONTAL,120,10,80,250);
    scrollLength.addAdjustmentListener(this);
    northP.add(scrollLength);

    add("North",northP);

    //EAST PANEL
    //sets east panel
    Panel eastP = new Panel();
    eastP.setLayout (new GridLayout(east_length,1));
    eastP.setBackground(Color.gray);
    //setColor (Color.white);

    //makes labels
    for (int i=0; i<east_length; i++)
    {
        east[i] = new Label(eastlabels[i] + eastnumbers[i], Label.CENTER);
        eastP.add(east[i]);
        }
    calcEastPanel();

    add("East",eastP);

    }

// -----------------------------------------------------------------------

public void paint(Graphics g)
{
    //scale factor?
     g.setColor (Color.red);
     g.fillRect (offset, (int)(apph-offset-(a_height+t_height+c_height)),bay_width*2,(int)(a_height+t_height+c_height));
     //g.setColor (Color.black);
     Arcade.paint(g, Color.black);
     Triforium.paint(g, Color.black);
     Clerestory.paint(g, Color.black);

     int copy_y = (int)(apph-offset-(a_height+t_height+c_height));
     int copy_x = offset;
     for (int i = 1; i < number_bays; i++)
        {
        g.copyArea(copy_x,copy_y,bay_width*2,(int)(a_height+t_height+c_height),bay_width*2,0);
        //g.copyArea(copy_x,copy_y,bay_width*2,(int)(a_height+t_height+c_height),copy_x+(bay_width*2),copy_y);
        copy_x = copy_x + bay_width*2;
        }
     }

// -----------------------------------------------------------------------

public void calcEastPanel()
{
    eastnumbers[0] = (double)(number_bays);
    eastnumbers[1] = (double)(bay_width);
    eastnumbers[2] = Math.ceil(a_height/2);
    eastnumbers[3] = Math.ceil(t_height/2);
    eastnumbers[4] = Math.ceil(c_height/2);
    eastnumbers[5] = Math.ceil((a_height+t_height+c_height)/2);

    for (int i=0; i<east_length; i++)
    {
        east[i].setText(eastlabels[i] + eastnumbers[i]);
        }
}


// -----------------------------------------------------------------------

public void calcHeight()
{
    int remains = year - 1000;
    double base_height = 85 * scale;
    double height = base_height + (remains * .12);
    a_height = (height * (50 - (remains * .012)) * .01);
    t_height = (height * (20 - (remains * .016)) * .01);
    c_height = (height * (30 + (remains * .028)) * .01);
    }

// -----------------------------------------------------------------------

public void calcBay(int l)
{
    //added at same time as length scrollbar; this calc in javascript
    int length = l;
    int remains = year - 1000;
    float width_max = 40;
    double width_factor = .04;
    number_bays = (int)(Math.floor(length/(width_max-(remains * width_factor))));
    bay_width = length/number_bays;
    }

// -----------------------------------------------------------------------

public void changebay (float y, float w, float num)
{
    year = (int) y;
    bay_width = (int) w;
    number_bays = (int) num;

    calcHeight();
    Arcade.change (0,year-1000,bay_width*2,a_height,offset,apph-offset);
    Triforium.change (1,year-1000,bay_width*2,t_height,offset,(int)(apph-(offset+a_height)));
    Clerestory.change (2,year-1000,bay_width*2,c_height,offset,(int)(apph-(offset+a_height+t_height)));

    repaint();
    }


// -----------------------------------------------------------------------

public void adjustmentValueChanged(AdjustmentEvent e)
{
    //reacts to scrollbar events
    if ((e.getSource() == scrollYear)||(e.getSource() == scrollLength)){
        year = scrollYear.getValue();
        calcBay(scrollLength.getValue());
        changebay(year,bay_width,number_bays);
        scrollLabel.setText("Year Built = " + year);
        scrollLabel2.setText("Nave Length = " + (bay_width*number_bays));
        calcEastPanel();
        //add array to update labels in east panel
        }
    }

// -----------------------------------------------------------------------

} //end of program




















/*

// ----------------------- DEAD CODE -----------------------------------------
/*    //makes arrays for data
    eastlabels[0] = "Number of Bays = ";
    eastlabels[1] = "Bay Width = ";
    eastlabels[2] = "Arcade Height = ";
    eastlabels[3] = "Triforium Height = ";
    eastlabels[4] = "Clerestory Height = ";
    eastlabels[5] = "TOTAL HEIGHT = ";


    //String eastlabels[] = {"Number of Bays = ", "Bay Width = ", "Arcade Height = ",
     //                       "Triforium Height = ", "Clerestory Height = ", "TOTAL HEIGHT = "};
    //double eastnumbers[] = {(double)(number_bays), (double)(bay_width), a_height/2, t_height/2, c_height/2,
     //                       (a_height+t_height+c_height)/2};

        //east[i] = new Label (eastlabels[i] + eastnumbers[i], Label.CENTER);
        //System.out.println ("About to create east[i]");
        //east[i] = new Label ("TESTING", Label.CENTER);
        //System.out.println ("About to add east[i]");
        //eastP.add(east[i]);





// ---------- MENU OPTIONS -- TWO SWITCHES CAN'T WORK AT SAME TIME -----------

    if (choice == color_choices){
        System.out.println ("I'm going into color switch");
        int color = choice.getSelectedIndex();

        // based on item selected, set color
        switch (color){
            case 0: current_color = terraCotta;
                break;
            case 1: current_color = cream;
                break;
            case 2: current_color = brown;
                break;
            case 3: current_color = maroon;
                break;
            case 4: current_color = black;
                break;
            default:    break;
            }

    else if (choice == deco_choices){
        System.out.println ("I'm going into deco switch");
        int deco = choice.getSelectedIndex();

        // based on item selected, create new decorative panel
            switch (deco){
                case 0: if (number_decos <= max_decos){
                        d_array[number_decos] = new deco(0,50,50,b_width,b_height,Color.red);
                        repaint();
                        number_decos++;
                        System.out.println ("number of decos is " + number_decos);
                        break;
                        }
                case 1: if (number_decos <= max_decos){
                        d_array[number_decos] = new deco(0,50,50,b_width,b_height,Color.blue);
                        repaint();
                        number_decos++;
                        System.out.println ("number of decos is " + number_decos);
                        break;
                        }
                case 2: if (number_decos <= max_decos){
                        d_array[number_decos] = new deco(0,50,50,b_width,b_height,Color.yellow);
                        repaint();
                        number_decos++;
                        System.out.println ("number of decos is " + number_decos);
                        break;
                        }
                case 3: if (number_decos <= max_decos){
                        d_array[number_decos] = new deco(0,50,50,b_width,b_height,Color.green);
                        repaint();
                        number_decos++;
                        System.out.println ("number of decos is " + number_decos);
                        break;
                        }
                default:    break;
            }

*/