/*
 * Title: 3 way Sorter (unfinished [Bubble sort only])
 * written by: Arthur Gapusan
 * http://www.planet-java.biz.ly
 *
 * - Sorts the values from a file(input.txt)
 * - create the file input.txt with 1 value per line.
 *
 */
 

import java.awt.*;             // import for the Abstract Window Toolkit
import java.awt.event.*;       // import for Listeners 
import java.util.*;            // import for Vector Class
import java.io.*;              // import for FileReader class


class ReadFile {   
  
  Vector v = new Vector();     // Vector is one of Java's built-in Collection Framework 
  int count;
				  
  void readFile() { 
    String str = null;
    count = 0; 
    try { 
      FileReader fr = new FileReader("input.txt");
      BufferedReader br = new BufferedReader(fr);
      str = new String();
      while ((str = br.readLine()) != null) {
        count++;
        v.add(str); 
      } 
    } catch (IOException e) {  
        System.out.println("IO error");
      }
  } 
} 


/*
 *
 *      |------------------------|
 *      |      Sort 'em out      | 
 *      |------------------------|  
 *
 */


class Sorter extends Frame 
  implements ActionListener {

  TextArea ta1, ta2, ta3;
  Button start;
  TextField input, output;
  int[] num;
  int len;  

                    // Manual Layouting looks better

  Sorter() {                   
    setLayout(null);
    setBackground(new Color(230, 230, 230));  // Background color(Red, Green, Blue)
    ta1 = new TextArea();
    add(ta1);
    ta1.setFont(new Font("Verdana", Font.BOLD, 14));
    ta1.setForeground(Color.gray);
    ta1.setBounds(20, 80, 100, 200);
    ta2 = new TextArea();
    add(ta2);
    ta2.setBounds(140, 80, 100, 200);
    ta3 = new TextArea();
    add(ta3);
    ta3.setBounds(260, 80, 100, 200);
    Label l1 = new Label("Bubble Sort");
    l1.setFont(new Font("SansSerif", Font.BOLD, 14));
    l1.setBounds(20,55, 100, 30);
    l1.setForeground(new Color(120, 160, 200));
    add(l1);
    Label l2 = new Label("Quick Sort");
    l2.setFont(new Font("SansSerif", Font.BOLD, 14));
    l2.setBounds(140,55, 100, 30);
    l2.setForeground(new Color(120, 160, 200));
    add(l2);
    Label l3 = new Label("Radix Sort");
    l3.setFont(new Font("SansSerif", Font.BOLD, 14));
    l3.setBounds(260,55, 100, 30);
    l3.setForeground(new Color(120, 160, 200));
    add(l3);
    
    Label top = new Label("Input Data: ");
    top.setFont(new Font("SansSerif", Font.BOLD, 16));
    top.setBounds(20,25, 90, 30);
    top.setForeground(new Color(33, 88, 33));
    add(top);
    
    input = new TextField(30);
    input.setBounds(110, 28, 250, 25);
    input.setFont(new Font("Sylfaen", Font.BOLD, 16));
    add(input);
    
    start = new Button("Start");
    start.setBounds(20,295, 60, 25);
    start.setForeground(new Color(50, 190, 50));
    start.setFont(new Font("SansSerif", Font.BOLD, 16));
    add(start);

    Label ol = new Label("Output: ");
    ol.setFont(new Font("SansSerif", Font.BOLD, 16));
    ol.setBounds(95, 295, 60, 30);
    ol.setForeground(new Color(33, 88, 33));
    add(ol);

    output = new TextField(30);
    output.setBounds(160, 295, 200, 25);
    output.setFont(new Font("SansSerif", Font.BOLD, 16));
    add(output);
    
    start.addActionListener(this);
    addWindowListener(new Window());
    
    getInputs();    // get values from the file

    String str = String.valueOf(num[0]);   // display those values
    for (int i=1;i<num.length;i++)         // in the input textfield
      str = str + ", " + num[i];
    input.setText(str);


  }
   
  public void actionPerformed(ActionEvent ae) {
    if (ae.getSource() == start) {
      displayBubbleSort();
                                      // insert method here for quick
                                      // and radix sort
    }

    String str = String.valueOf(num[0]);   // display those values
    for (int i=1;i<num.length;i++)         // in the output textfield
      str = str + ", " + num[i];
    output.setText(str);
  }
     
  void getInputs() {
    ReadFile t = new ReadFile();
    t.readFile();
    len = t.count;
    Object obj[] = t.v.toArray();          
    String str[] = new String[len]; 
    num = new int[len];      
    for (int i=0;i<len;i++) {       
      str[i] = (String) obj[i];          
      num[i] = Integer.parseInt(str[i]);
    }
  }


//        |------------------------|
//        |      Bubble Sort       | 
//        |------------------------|


  void displayBubbleSort() {
    for (int i=0;i<len;i++) {     
      for (int j=i+1;j<len;j++) {
        if (num[i]>num[j]) {
          int temp = num[i];
          num[i] = num[j];
          num[j] = temp;
          displaySort();   // display the values every swap
        }
      }
    }
  }
  

  void displaySort() {
    try {
      String record = String.valueOf(num[0]);
      for (int s=1;s<len;s++) 
        ta1.setText(record += "\n" + num[s]);
      Thread.sleep(100);                      // delays .100 seconds (100 ms)
    } catch (InterruptedException e) {
      }
  }

  public static void main(String args[]) {
    Sorter s = new Sorter();
    s.setSize(380, 340);
    s.setVisible(true);
  }
}

class Window extends WindowAdapter {
  public void windowClosing(WindowEvent we) {
    System.exit(0);
  }		
}