package com.ximple.io.dgn7;

/**
 * TcbElement
 *
 * @author Ulysses
 * @version 0.1
 * @since 2006/5/18 下午 05:03:46
 */
public class TcbElement extends Element
{
    public TcbElement(short[] raw)
    {
        super(raw);
    }

    public boolean is2D()
    {
        int dimension = (int) (raw[607] & 0x00000004);

        if (dimension == 0)
        {
            return true;
        } else
        {
            return false;
        }
    }

    public String getMasterUnitName()
    {
        byte[] master = new byte[1];

        master[0] = (byte) (raw[560] & 0x00ff);
        java.nio.charset.Charset.forName("US-ASCII");

        // ASCIIEncoding encode = new ASCIIEncoding();
        StringBuffer sb = new StringBuffer();

        sb.append((char) master[0]);

        // return encode.GetString(master);
        return sb.toString();
    }

    public String getSubUnitName()
    {
        byte[] sub = new byte[2];

        sub[0] = (byte) (raw[561] & 0x00ff);
        sub[1] = (byte) (raw[561] >> 8 & 0x00ff);

        StringBuffer sb = new StringBuffer();

        sb.append((char) sub[0]);
        sb.append((char) sub[0]);

        return sb.toString();
    }

    public int getGraphicGroup()
    {
        return (int) (raw[594] & 0x0000ffff);
    }

    public static class ElementHandler extends Element.ElementHandler
    {
        private static ElementHandler instance = null;

        public ElementHandler()
        {
            super(ElementType.TCB);
        }

        public static IElementHandler getInstance()
        {
            if (instance == null)
            {
                instance = new ElementHandler();
            }

            return instance;
        }

        protected Element createElement(short[] raw)
        {
            return new TcbElement(raw);
        }
    }
}