/*
 * Copyright (c) 2014 tabletoptool.com team.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     rptools.com team - initial implementation
 *     tabletoptool.com team - further development
 */
package com.t3.client.ui.token;

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.Ellipse2D;

import com.t3.model.Token;
import com.t3.model.drawing.AbstractTemplate.Quadrant;
import com.t3.xstreamversioned.version.SerializationVersion;

/**
 * Token overlay that draws a colored dot in one of the corners.
 * 
 * @author giliath
 * @version $Revision$ $Date$ $Author$
 */
@SerializationVersion(0)
public class ColorDotTokenOverlay extends XTokenOverlay {

  /**
   * The corner where the dot is placed
   */
  private Quadrant corner = Quadrant.SOUTH_EAST;

  /**
   * Default constructor needed for XML encoding/decoding
   */
  public ColorDotTokenOverlay() {
    this(BooleanTokenOverlay.DEFAULT_STATE_NAME, Color.RED, Quadrant.SOUTH_EAST);
  }

  /**
   * Create a new dot token overlay
   * 
   * @param aName Name of the token overlay
   * @param aColor Color of the dot
   * @param aCorner Corner containing the dot
   */
  public ColorDotTokenOverlay(String aName, Color aColor, Quadrant aCorner) {
    super(aName, aColor, 0);
    if (aCorner != null)
      corner = aCorner;
  }

  /**
   * @see com.t3.client.ui.token.BooleanTokenOverlay#clone()
   */
  @Override
  public Object clone() {
      BooleanTokenOverlay overlay = new ColorDotTokenOverlay(getName(), getColor(), getCorner());
      overlay.setOrder(getOrder());
      overlay.setGroup(getGroup());
      overlay.setMouseover(isMouseover());
      overlay.setOpacity(getOpacity());
      overlay.setShowGM(isShowGM());
      overlay.setShowOwner(isShowOwner());
      overlay.setShowOthers(isShowOthers());
      return overlay;
  }
  
  /**
   * @see com.t3.client.ui.token.BooleanTokenOverlay#paintOverlay(java.awt.Graphics2D, com.t3.model.Token, Rectangle)
   */
  @Override
  public void paintOverlay(Graphics2D g, Token aToken, Rectangle bounds) {
    Color tempColor = g.getColor();
    Stroke tempStroke = g.getStroke();
    Composite tempComposite = g.getComposite();
    try {
      g.setColor(getColor());
      g.setStroke(getStroke());

      double size = bounds.width * 0.2;
      double offset = bounds.width * 0.8;
      double x = 0;
      double y = 0;
      switch (corner) {
      case SOUTH_EAST:
        x = y = offset;
        break;
      case SOUTH_WEST:
        y = offset;
        break;
      case NORTH_EAST:
        x = offset;
        break;
      case NORTH_WEST:
        break;
      } // endswitch
      Shape s = new Ellipse2D.Double(x, y, size, size);
      if (getOpacity() != 100)
          g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float)getOpacity()/100));
      g.fill(s);
    } finally {
      g.setColor(tempColor);
      g.setStroke(tempStroke);
      g.setComposite(tempComposite);
    }
  }

  /** @return Getter for corner */
  public Quadrant getCorner() {
      return corner;
  }
}