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import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import javax.swing.JComponent;
@SuppressWarnings("serial")
public class VisualSortingComponent extends JComponent
{
private int leftMargin = 10;
private int rightMargin = 10;
private int topMargin = 10;
private int bottomMargin = 10;
private int max;
private int min;
private int width;
private int height;
private int[] data;
private int numData;
public VisualSortingComponent(int[] aData)
{
data = aData;
numData = data.length;
if(numData > 0)
{
max = data[0];
min = data[0];
for(int i = 1; i < numData; i++)
{
if(data[i] > max)
{
max = data[i];
}
if(min > data[i])
{
min = data[i];
}
}
}
}
public void paintComponent(Graphics g)
{
Graphics2D g2 = (Graphics2D) g;
width = this.getWidth();
height = this.getHeight();
double dataWidth = (width - (leftMargin + rightMargin)) / numData;
double heightFactor = (height - (topMargin + bottomMargin)) / numData;
// draw the base;
Line2D.Double line = new Line2D.Double(leftMargin, height - bottomMargin, width - leftMargin, height - bottomMargin);
g2.draw(line);
// draw aata
Rectangle2D.Double rect = new Rectangle2D.Double(0,0,0,0);
for(int i = 0; i < numData; i++)
{
double x = leftMargin + (dataWidth * i);
double y = (height - bottomMargin) - (heightFactor * data[i]);
rect.setRect(x,y,dataWidth,data[i] * heightFactor);
g2.setColor(Color.GREEN);
g2.fill(rect);
g2.setColor(Color.BLACK);
g2.draw(rect);
}
}
}
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