/*
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 * and open the template in the editor.
 */
package guiinterface;

import java.awt.event.KeyEvent;
import javax.swing.JOptionPane;

/**
 *
 * @author RC
 */
public class InterfaceJFrame extends javax.swing.JFrame {
    

    /**
     * Creates new form InterfaceJFrame
     */
    public InterfaceJFrame() {
        initComponents();
        
   
    }
    
    private int[] Splitter(){
           //Use split method to put the String into String array separated with " " delimeter
           String inputString = inputsjTextField.getText();
           String[] stringParts = inputString.split(" ");
           
           //Convert String array to int array
           int[] inputs = new int[stringParts.length];
           for (int i=0; i < stringParts.length; i++) {
               inputs[i] = Integer.parseInt(stringParts[i]);
               //System.out.println(inputs[i]);
           }
           return inputs;
    }
    
//QUICK SORT PART----------------------------------------------------------------------------------------------------
    
    private int[] minmax(){
        int arr[] = Splitter();
        return doQuickSort(0, arr.length - 1);
    }
    
    private int[] doQuickSort(int start, int end){
        int arr2[] = Splitter();
        //Pivot
        int temp = arr2.length/2;
        int pivot = arr2[temp];
        
        int i = start, j = end;
        
 		while (i <= j) {
			while (arr2[i] < pivot)
				i++;
        
			while (arr2[j] > pivot)
				j--;

			if (i <= j) {
				swap(i, j, arr2);
				i++;
				j--;
			}
                        
                        if (start < j)
                            doQuickSort(start, j);
                        
                        if (i < end)
                            doQuickSort(i, end);
                }
                
                return arr2;
    }
    
    private void swap(int i, int j, int arr2[]) {
	int temp = arr2[i];
	arr2[i] = arr2[j];
	arr2[j] = temp;
    }
//End of QuickSort---------------------------------------------------------------------------------------------
                    

    private void executejButtonActionPerformed(java.awt.event.ActionEvent evt) {                                               
        // TODO add your handling code here:
        Object value = algojComboBox.getSelectedItem();
        if(value == "Quick Sort"){
            int arr3[] = minmax();
            sortedjTextField.setText(arr3.toString());
            //System.out.println(value);
        }
        
       
    }                                              

    private void inputsjTextFieldKeyPressed(java.awt.event.KeyEvent evt) {                                            
        // TODO add your handling code here:
        char c = evt.getKeyChar(); // Get the typed character
        if(c != KeyEvent.VK_BACK_SPACE && c != KeyEvent.VK_DELETE && c != KeyEvent.VK_SPACE){
        if (!(c == '0' || c == '1' || c == '2' || c == '3' || c == '4' || c == '5' || c == '6' || c == '7' || c == '8' || c == '9')) {
            JOptionPane.showMessageDialog (null, "Invalid Input! Accepting only numbers." );
            inputsjTextField.setText("");
        }
        }
    }