package org.jzy3d.chart.controllers.mouse.camera;

import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;

import org.jzy3d.chart.Chart;
import org.jzy3d.chart.controllers.camera.AbstractCameraController;
import org.jzy3d.chart.controllers.mouse.AWTMouseUtilities;
import org.jzy3d.chart.controllers.thread.camera.CameraThreadController;
import org.jzy3d.maths.Coord2d;


public class AWTCameraMouseController extends AbstractCameraController implements
		MouseListener, MouseWheelListener, MouseMotionListener {

	public AWTCameraMouseController() {
	}

	public AWTCameraMouseController(Chart chart) {
		register(chart);
		addSlaveThreadController(new CameraThreadController(chart));
	}

	@Override
    public void register(Chart chart) {
		super.register(chart);
		chart.getCanvas().addMouseController(this);
	}

	@Override
    public void dispose() {
		for (Chart chart : targets) {
			chart.getCanvas().removeMouseController(this);
		}
		super.dispose();
	}

	/**
	 * Handles toggle between mouse rotation/auto rotation: double-click starts
	 * the animated rotation, while simple click stops it.
	 */
	@Override
	public void mousePressed(MouseEvent e) {
		//
		if (handleSlaveThread(e))
			return;

		prevMouse.x = x(e);
		prevMouse.y = y(e);
	}

    

	/** Compute shift or rotate */
	@Override
	public void mouseDragged(MouseEvent e) {
		Coord2d mouse = xy(e);

		// Rotate
		if (AWTMouseUtilities.isLeftDown(e)) {
			Coord2d move = mouse.sub(prevMouse).div(100);
			rotate(move);
		}
		// Shift
		else if (AWTMouseUtilities.isRightDown(e)) {
			Coord2d move = mouse.sub(prevMouse);
			if (move.y != 0)
				shift(move.y / 500);
		}
		prevMouse = mouse;
	}

    

	/** Compute zoom */
	@Override
	public void mouseWheelMoved(MouseWheelEvent e) {
		stopThreadController();
		float factor = 1 + (e.getWheelRotation() / 10.0f);
		zoomZ(factor);
	}

	@Override
	public void mouseClicked(MouseEvent e) {
	}

	@Override
	public void mouseEntered(MouseEvent e) {
	}

	@Override
	public void mouseExited(MouseEvent e) {
	}

	@Override
	public void mouseReleased(MouseEvent e) {
	}

	@Override
	public void mouseMoved(MouseEvent e) {
	}

	public boolean handleSlaveThread(MouseEvent e) {
		if (AWTMouseUtilities.isDoubleClick(e)) {
			if (threadController != null) {
				threadController.start();
				return true;
			}
		}
		if (threadController != null)
			threadController.stop();
		return false;
	}

	
	/* */
	
	public Coord2d xy(MouseEvent e) {
        return new Coord2d(x(e), y(e));
    }
    
    public int y(MouseEvent e) {
        return e.getY();
    }

    public int x(MouseEvent e) {
        return e.getX();
    }
}