/*
 * 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 javax.swing.*;

public class Application extends JFrame {
    static public void main(String[] args) {
        new Application();
    }

    public Application() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        ApplicationCanvas canvas = new ApplicationCanvas();
        canvas.setPreferredSize(new Dimension(600, 600));

        getContentPane().add(canvas);
        pack();
        setVisible(true);
    }
}

class ApplicationCanvas extends JComponent implements MouseListener, MouseMotionListener {
    static final int MODE_SELECTION = 1;

    Scene scene;
    int mode = MODE_SELECTION;

    public ApplicationCanvas() {
	scene = new Scene(this);

	RectGlyph rg;

	rg = new RectGlyph(scene, 10, 10, 50, 50);
	scene.addGlyph(rg);

	rg = new RectGlyph(scene, 50, 50, 80, 80);
	rg.setColor(Color.blue);
	scene.addGlyph(rg);

	rg = new RectGlyph(scene, 100, 00, 40, 40);
	rg.setColor(Color.red);
	rg.setTransform(AffineTransform.getRotateInstance(15.0 * Math.PI / 180.0));
	scene.addGlyph(rg);

	addMouseListener(this);
	addMouseMotionListener(this);
    }

    public void paintComponent(Graphics graphics) {
        Graphics2D g2 = (Graphics2D) graphics;
	scene.paint(g2);
    }


    // General mouse event handlers.
    // These pass on events to each mode's event handlers
    public void mouseClicked(MouseEvent e) {}
    public void mouseEntered(MouseEvent e) {}
    public void mouseExited(MouseEvent e) {}
    public void mouseMoved(MouseEvent e) {}
    public void mousePressed(MouseEvent e) {
	switch (mode) {
	case MODE_SELECTION:
	    mousePressedSelection(e);
	    break;
	}
    }
    public void mouseDragged(MouseEvent e) {
	switch (mode) {
	case MODE_SELECTION:
	    mouseDraggedSelection(e);
	    break;
	}
    }
    public void mouseReleased(MouseEvent e) {
    	switch (mode) {
	case MODE_SELECTION:
	    mouseReleasedSelection(e);
	    break;
	}
    }

    // Selection mouse event handlers
    public void mousePressedSelection(MouseEvent e) {
	Glyph glyph = scene.pick(e.getX(), e.getY());

	if (glyph == null) {
	    scene.unselectAll();
	} else {
	    if (e.isShiftDown()) {
		glyph.setSelected(!glyph.isSelected());
	    } else {
		if (!glyph.isSelected()) {
		    scene.unselectAll();
		    glyph.setSelected(true);
		}
	    }
	}
    }

    public void mouseDraggedSelection(MouseEvent e) {
    }

    public void mouseReleasedSelection(MouseEvent e) {
    }
}