/*
 * A Java program that demonstrates a simple general-purpose drawing architecture
 *
 * Ben Bederson, April 18, 2002
 */

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.util.*;
import javax.swing.*;

public class Scene {
    ArrayList glyphs;
    JComponent component;

    public Scene(JComponent component) {
	this.component = component;
	glyphs = new ArrayList();
    }

    public void addGlyph(Glyph glyph) {
	glyphs.add(glyph);
	repaint();
    }

    public void repaint() {
	component.repaint();
    }

    public void paint(Graphics2D g) {
	// Paint background
	g.setColor(Color.white);
	g.fillRect(0, 0, component.getWidth(), component.getHeight());

	// Paint glyphs
	for (Iterator it = glyphs.iterator(); it.hasNext();) {
	    Glyph glyph = (Glyph)it.next();
	    glyph.paint(g);
	}
    }

    // Returns the first glyph that contains this point in global coordinates (in top to bottom order)
    public Glyph pick(int x, int y) {
	Glyph hit = null;
	Glyph glyph;
	for (int i=glyphs.size()-1; i>=0; i--) {
	    glyph = (Glyph)glyphs.get(i);
	    if (glyph.contains(x, y)) {
		hit = glyph;
		break;
	    }
	}

	return hit;
    }

    public void unselectAll() {
	for (Iterator it = glyphs.iterator(); it.hasNext();) {
	    Glyph glyph = (Glyph)it.next();
	    if (glyph.isSelected()) {
		glyph.setSelected(false);
	    }
	}
    }
}