pregunta2 ipoo 1

/* Autores : Miguel Angel Rivera - 2059876 - 3743
             Juan Felipe Arango - 2060066 - 3743
*/
package tallerevaluable1;

import javax.swing.JOptionPane;
import java.util.*;


public class pregunta2 {

    char NxM[][];
    //Stack <Integer> orden = new Stack <Integer>();

    char arregloMinus[] =  {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','ñ','o','p','q','r','s','t','u','v','w','x','y','z', ' '};
    char arregloMayus[] =  {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','Ñ','O','P','Q','R','S','T','U','V','W','X','Y','Z', ' '};



    public void menuFilasColumnas(){

        int opc;

        do{
            String entrada = JOptionPane.showInputDialog("Elija la distribucion de filas y columnas (su multiplicacion simpre sera 28) \n\n"+
                                                        "1. 28 filas x 1 columna\n"+
                                                        "2. 1 fila x 28 columnas\n"+
                                                        "3. 14 filas x 2 columnas\n"+
                                                        "4. 2 filas x 14 columnas\n"+
                                                        "5. 7 filas x 4 columnas\n"+
                                                        "6. 4 filas x 7 columnas\n");
            opc = Integer.parseInt(entrada);

            switch(opc){
                case 1: NxM = new char[28][1]; opc = 0; break;
                case 2: NxM = new char[1][28]; opc = 0; break;
                case 3: NxM = new char[14][2]; opc = 0; break;
                case 4: NxM = new char[2][14]; opc = 0; break;
                case 5: NxM = new char[7][4]; opc = 0; break;
                case 6: NxM = new char[4][7]; opc = 0; break;
                default: JOptionPane.showMessageDialog(null, "La opcion elegida no es valida");
            }

        }while(opc != 0);

    }


    public void menuMinusMayus(){

        int opc;

        do{
            String entrada = JOptionPane.showInputDialog("Elegir si se desea llenar en minusculas o mayusculas \n\n"+
                                                        "1. Llenar con minusculas \n"+
                                                        "2. Llenar con mayusculas\n");
            opc = Integer.parseInt(entrada);

            switch(opc){
                case 1: minus(); opc = 0; break;
                case 2: ; mayus(); opc = 0; break;
                default: JOptionPane.showMessageDialog(null,"Opcion no valida", "ERROR", 0);
            }
        }while(opc != 0);

    }


   public void minus(){
       int pos;
       int nNums = 28;
       Stack < Integer > orden = new Stack < Integer > ();

       for (int i = 0; i < nNums ; i++) {
           pos = (int) (Math.random() * nNums );
           while (orden.contains(pos)) {
               pos = (int) (Math.random() * nNums );
           }
           orden.push(pos);
       }

       for (int f = 0; f < NxM.length; f++) {
           for (int c = 0; c < NxM[0].length; c++) {
               NxM[f][c] = arregloMinus[orden.pop()];
           }

       }
   }

   public void mayus(){
       int pos;
       int nNums = 28;
       Stack < Integer > orden = new Stack < Integer > ();

       for (int i = 0; i < nNums ; i++) {
           pos = (int) (Math.random() * nNums );
           while (orden.contains(pos)) {
               pos = (int) (Math.random() * nNums );
           }
           orden.push(pos);
       }

       for (int f = 0; f < NxM.length; f++) {
           for (int c = 0; c < NxM[0].length; c++) {
               NxM[f][c] = arregloMayus[orden.pop()];
           }

       }
   }

   public void menuPrincipal(){
       int opc;
       do{
       String entrada = JOptionPane.showInputDialog("       MENU PRINCIPAL      \n\n"+
                                                    "1. Elegir el tamaño de la matriz NxM\n"+
                                                    "0. salir");
       opc = Integer.parseInt(entrada);

       switch(opc){
           case 1: menuFilasColumnas(); menuMinusMayus(); imprimir(); break;
           case 0: break;
           default: JOptionPane.showMessageDialog(null, "Opcion invalida", "ERROR", 0);

       }

       }while(opc != 0);
   }


   public void imprimir(){
       String salida = "";

       for (int f = 0; f < NxM.length; f++) {
           for (int c = 0; c < NxM[0].length; c++) {
               salida += NxM[f][c] + "  ";

           }
           salida += "\n";
       }
       JOptionPane.showMessageDialog(null,"La matriz es: \n"+ salida);
   }

   //Esto es una opcion de prueba
   public void imprimirConsola(){
       String salida = "";

       for (int f = 0; f < NxM.length; f++) {
           for (int c = 0; c < NxM[0].length; c++) {
               salida += NxM[f][c] + " ";

           }
           salida += "\n";
       }
       System.out.print(salida);
   }



    public static void main(String[] args) {
    pregunta2 obj = new pregunta2();
    obj.menuPrincipal();
    }
}