package cit.PureATN;

import java.awt.BasicStroke;
import java.awt.event.InputEvent;
import java.awt.geom.Point2D;

import javax.swing.WindowConstants;

import org.piccolo2d.PCanvas;
import org.piccolo2d.PLayer;
import org.piccolo2d.event.PBasicInputEventHandler;
import org.piccolo2d.event.PDragSequenceEventHandler;
import org.piccolo2d.event.PInputEvent;
import org.piccolo2d.event.PInputEventFilter;
import org.piccolo2d.event.PMouseWheelZoomEventHandler;
import org.piccolo2d.extras.PFrame;
import org.piccolo2d.nodes.PPath;
import org.piccolo2d.util.PPaintContext;

public class Note extends PFrame {
    /**
    * 
    */
    private static final long serialVersionUID = 1L;
    private PLayer layer;
    public static PInputEventFilter disablemask = new PInputEventFilter(0);
    public static Note theapp; // The Application


    public Note() {
        this(null);
        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        theapp = this; // どこからでもNote.theapp で参照できるように
    }

    public Note(final PCanvas aCanvas) {
        super("Note", false, aCanvas);
        setSize(650, 800);
    }

    public void initialize() {
        super.initialize();

        // らくがき用マウスイベント
        final PBasicInputEventHandler squiggleEventHandler = createSquiggleEventHandler();
        squiggleEventHandler.setEventFilter(new PInputEventFilter(InputEvent.BUTTON1_MASK));
        getCanvas().removeInputEventListener(getCanvas().getPanEventHandler());
        getCanvas().addInputEventListener(squiggleEventHandler);

        // install mouse wheel zoom event handler
        final PMouseWheelZoomEventHandler mouseWheelZoomEventHandler = new PMouseWheelZoomEventHandler();
        getCanvas().addInputEventListener(mouseWheelZoomEventHandler);

		// pan
		// final MyPPanEventHandler panEventHandler = new MyPPanEventHandler(getCanvas());
		// panEventHandler.setEventFilter(disablemask);
		// getCanvas().addInputEventListener(panEventHandler);


        layer = getCanvas().getLayer();

        getCanvas().setDefaultRenderQuality(PPaintContext.HIGH_QUALITY_RENDERING);
        getCanvas().setAnimatingRenderQuality(PPaintContext.HIGH_QUALITY_RENDERING);
        getCanvas().setInteractingRenderQuality(PPaintContext.HIGH_QUALITY_RENDERING);
    }

    public PBasicInputEventHandler createSquiggleEventHandler() {
        return new PDragSequenceEventHandler() {

            protected PPath squiggle;

            public void startDrag(final PInputEvent e) {
                super.startDrag(e);

                final Point2D p = e.getPosition();

                squiggle = new PPath.Float();
                squiggle.moveTo((float) p.getX(), (float) p.getY());
                squiggle.setStroke(new BasicStroke((float) (1 / e.getCamera().getViewScale())));
                layer.addChild(squiggle);
            }

            public void drag(final PInputEvent e) {
                super.drag(e);
                updateSquiggle(e);
            }

            public void endDrag(final PInputEvent e) {
                super.endDrag(e);
                updateSquiggle(e);
                squiggle = null;
            }

            public void updateSquiggle(final PInputEvent aEvent) {
                final Point2D p = aEvent.getPosition();
                squiggle.lineTo((float) p.getX(), (float) p.getY());
            }
        };
    }

    public static void main(final String[] args) {
        new Note();
    }

}