//package Sorter;

/**
 * @author D. X. Nguyen
 * @author S. B. Wong
 */
import java.awt.Color;

public class GraphicSorter extends ACompareSorter {
    public final static int NapDuration = 1000;
    private ACompareSorter _aCSorter; // "DECOREE"
    public GraphicSorter (ACompareSorter aCSorter) {
        _aCSorter = aCSorter;
    }

    protected int split (IOrdered[] A, int lo, int hi) {
        System.out.println ("Sort from " + lo + " to " + hi);
        int s =  _aCSorter.split (A,lo, hi);       // delegates to decoree
        // s > lo

        SorterColor color = (SorterColor) ((IColored)A[s]).getColor ();
        Color splitColor = color.getLoSplit ();
        for (int i = lo; i < s; i++) {
            ((IColored) A[i]).setColor (splitColor);
        }

        splitColor = color.getHiSplit ();
        for(int i=s;i<=hi;i++)  {
            ((IColored) A[i]).setColor (splitColor);
        }
        try  {
            System.out.println ("Split at " + s);
            Thread.sleep (NapDuration);
        }
        catch (Exception e){}
        return s;
    }

    protected void join (IOrdered[] A, int lo, int s, int hi) {
        // lo < hi
        _aCSorter.join(A,lo,s,hi);        // delegates to decoree

        SorterColor loColor =  (SorterColor)(((IColored) A[lo]).getColor ());
        SorterColor hiColor =  (SorterColor)(((IColored) A[hi]).getColor ());

        SorterColor color = loColor.join(hiColor);

        for(int i=lo;i<=hi;i++) {
            ((IColored) A[i]).setColor (color);
        }
        try {
            System.out.println ("Join at " + s);
            Thread.sleep (NapDuration);
            System.out.println ("Done sorting from " + lo + " to " + hi);
        }
        catch(Exception e){}
    }
}