package fsiap_ui;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.geom.Line2D;
import javax.swing.JComponent;
import java.util.ArrayList;

class Line extends JComponent {

    ArrayList<Line2D.Double> lines;

    Line(int width, int height) {
        super();
        setPreferredSize(new Dimension(width,height));
        setMaximumSize(new Dimension(300, 300));
        lines = new ArrayList<>();
    }

    public void addLine(int x1, int y1, int x2, int y2) {
        Line2D.Double line = new Line2D.Double(x1, y1, x2, y2);
        lines.add(line);
        repaint();
    }

    @Override
    public void paintComponent(Graphics g) {
        g.setColor(Color.white);
        g.fillRect(0, 0, getWidth(), getHeight());
        g.setColor(Color.black);
        for (Line2D.Double line : lines) {
            g.drawLine(
                (int)line.getX1(),
                (int)line.getY1(),
                (int)line.getX2(),
                (int)line.getY2()
                );
        }
    }
}