package org.openswing.swing.export.java;

import java.io.Serializable;


/**
 * <p>Title: OpenSwing Framework</p>
 * <p>Description: This class is used when exporting data in PDF format:
 * it can be extended to override some methods.</p>
 * <p>Copyright: Copyright (C) 2006 Mauro Carniel</p>
 *
 * <p> This file is part of OpenSwing Framework.
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the (LGPL) Lesser General Public
 * License as published by the Free Software Foundation;
 *
 *                GNU LESSER GENERAL PUBLIC LICENSE
 *                 Version 2.1, February 1999
 *
 * 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *       The author may be contacted at:
 *           maurocarniel@tin.it</p>
 *
 * @author Mauro Carniel
 * @version 1.0
 */
public abstract class ExportToPDFCallbacks implements Serializable {


  /**
   * @return Font to set for the specified generic cell
   */
  public abstract Object getGenericComponentFont(int row,int col,Object value);


  /**
   * @return Font to set for the title
   */
  public abstract Object getFontTitle();


  /**
   * @param attributeName attribute name that identify column header
   * @return Font to set for the specified column header
   */
  public abstract Object getHeaderFont(String attributeName);


  /**
   * @return gray fill to use in cells of column headers
   */
  public float getHeaderGrayFill() {
    return 0.75f;
  }


  /**
   * @param row row index of current locked row to color
   * @return gray fill to use in cells of locked rows on top of the grid
   */
  public float getTopRowsGrayFill(int row) {
    return 0.95f;
  }


  /**
   * @return gray fill to use in cells of even rows
   */
  public float getEvenRowsGrayFill() {
    return 0.95f;
  }


  /**
   * @return gray fill to use in cells of odd rows
   */
  public float getOddRowsGrayFill() {
    return 1.00f;
  }


  /**
   * @param row row index of current locked row to color
   * @return gray fill to use in cells of locked rows on the bottom of the grid
   */
  public float getBottomRowsGrayFill(int row) {
    return 0.95f;
  }


  /**
   * @param attributeName attribute name that identify current column
   * @return Font to set for the specified cell
   */
  public abstract Object getRowFont(String attributeName);



}