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Library that provides facilities to allow project information to be manipulated in Java and .Net. Supports a range of data formats: Microsoft Project Exchange (MPX), Microsoft Project (MPP,MPT), Microsoft Project Data Interchange (MSPDI XML), Microsoft Project Database (MPD), Planner (XML), Primavera (PM XML, XER, and database), Asta Powerproject (PP, MDB), Asta Easyplan (PP), Phoenix Project Manager (PPX), FastTrack Schedule (FTS), and the Standard Data Exchange Format (SDEF).

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/*
 * file:       TableFactory.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2007
 * date:       09/12/2007
 */

/*
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation; either version 2.1 of the License, or (at your
 * option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

package net.sf.mpxj.mpp;

import net.sf.mpxj.Column;
import net.sf.mpxj.ProjectFile;
import net.sf.mpxj.Table;
import net.sf.mpxj.common.MPPResourceField;
import net.sf.mpxj.common.MPPTaskField;

/**
 * This interface is implemented by classes which can create Table classes
 * from the data extracted from an MS Project file.
 */
final class TableFactory
{
   /**
    * Constructor.
    *
    * @param tableColumnDataStandard standard columns data key
    * @param tableColumnDataEnterprise enterprise columns data key
    * @param tableColumnDataBaseline baseline columns data key
    */
   public TableFactory(Integer tableColumnDataStandard, Integer tableColumnDataEnterprise, Integer tableColumnDataBaseline)
   {
      m_tableColumnDataStandard = tableColumnDataStandard;
      m_tableColumnDataEnterprise = tableColumnDataEnterprise;
      m_tableColumnDataBaseline = tableColumnDataBaseline;
   }

   /**
    * Creates a new Table instance from data extracted from an MPP file.
    *
    * @param file parent project file
    * @param data fixed data
    * @param varMeta var meta
    * @param varData var data
    * @return Table instance
    */
   public Table createTable(ProjectFile file, byte[] data, VarMeta varMeta, Var2Data varData)
   {
      Table table = new Table();

      table.setID(MPPUtility.getInt(data, 0));
      table.setResourceFlag(MPPUtility.getShort(data, 108) == 1);
      table.setName(MPPUtility.removeAmpersands(MPPUtility.getUnicodeString(data, 4)));

      byte[] columnData = null;
      Integer tableID = Integer.valueOf(table.getID());
      if (m_tableColumnDataBaseline != null)
      {
         columnData = varData.getByteArray(varMeta.getOffset(tableID, m_tableColumnDataBaseline));
      }

      if (columnData == null)
      {
         columnData = varData.getByteArray(varMeta.getOffset(tableID, m_tableColumnDataEnterprise));
         if (columnData == null)
         {
            columnData = varData.getByteArray(varMeta.getOffset(tableID, m_tableColumnDataStandard));
         }
      }

      processColumnData(file, table, columnData);

      //System.out.println(table);

      return (table);
   }

   /**
    * Adds columns to a Table instance.
    *
    * @param file parent project file
    * @param table parent table instance
    * @param data column data
    */
   private void processColumnData(ProjectFile file, Table table, byte[] data)
   {
      //System.out.println("Table=" + table.getName());
      //System.out.println(MPPUtility.hexdump(data, 8, data.length-8, false, 12, ""));
      if (data != null)
      {
         int columnCount = MPPUtility.getShort(data, 4) + 1;
         int index = 8;
         int columnTitleOffset;
         Column column;
         int alignment;

         for (int loop = 0; loop < columnCount; loop++)
         {
            column = new Column(file);
            int fieldType = MPPUtility.getShort(data, index);
            if (table.getResourceFlag() == false)
            {
               column.setFieldType(MPPTaskField.getInstance(fieldType));
            }
            else
            {
               column.setFieldType(MPPResourceField.getInstance(fieldType));
            }

            //                        if (column.getFieldType() == null)
            //                        {
            //                           System.out.println(loop + ": Unknown column type " + fieldType);
            //                        }
            //                        else
            //                        {
            //                           System.out.println(loop + ": " + column.getFieldType());
            //                        }

            column.setWidth(MPPUtility.getByte(data, index + 4));

            columnTitleOffset = MPPUtility.getShort(data, index + 6);
            if (columnTitleOffset != 0)
            {
               column.setTitle(MPPUtility.getUnicodeString(data, columnTitleOffset));
            }

            alignment = MPPUtility.getByte(data, index + 8);
            if ((alignment & 0x0F) == 0x00)
            {
               column.setAlignTitle(Column.ALIGN_LEFT);
            }
            else
            {
               if ((alignment & 0x0F) == 0x01)
               {
                  column.setAlignTitle(Column.ALIGN_CENTER);
               }
               else
               {
                  column.setAlignTitle(Column.ALIGN_RIGHT);
               }
            }

            alignment = MPPUtility.getByte(data, index + 10);
            if ((alignment & 0x0F) == 0x00)
            {
               column.setAlignData(Column.ALIGN_LEFT);
            }
            else
            {
               if ((alignment & 0x0F) == 0x01)
               {
                  column.setAlignData(Column.ALIGN_CENTER);
               }
               else
               {
                  column.setAlignData(Column.ALIGN_RIGHT);
               }
            }

            table.addColumn(column);
            index += 12;
         }
      }
   }

   private Integer m_tableColumnDataStandard;
   private Integer m_tableColumnDataEnterprise;
   private Integer m_tableColumnDataBaseline;
}