Package org.jfree.layouting.renderer.model.table

Source Code of org.jfree.layouting.renderer.model.table.TableRowRenderBox

/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info:  http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: TableRowRenderBox.java,v 1.18 2007/04/02 11:41:18 taqua Exp $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.renderer.model.table;

import org.jfree.layouting.renderer.model.BlockRenderBox;
import org.jfree.layouting.renderer.model.BoxDefinition;
import org.jfree.layouting.renderer.model.RenderBox;
import org.jfree.layouting.renderer.model.table.cols.TableColumnModel;

/**
* A table section box does not much rendering or layouting at all. It
* represents one of the three possible sections and behaves like any other
* block box. But (here it comes!) it refuses to be added to anything else than
* a TableRenderBox (a small check to save me a lot of insanity ..).
* <p/>
* For a valid layout, the major and minor axes need to be flipped.
*
* @author Thomas Morgner
*/
public class TableRowRenderBox extends BlockRenderBox
{
  private boolean autoGenerated;
  private TableRowInfoStructure infoStructure;

  public TableRowRenderBox(final BoxDefinition boxDefinition,
                           final boolean autoGenerated)
  {
    super(boxDefinition);
    this.autoGenerated = autoGenerated;
    this.infoStructure = new TableRowInfoStructure();

    /** Cells are laid out from left to right. */
    setMajorAxis(HORIZONTAL_AXIS);
    setMinorAxis(VERTICAL_AXIS);
  }

  public TableRowInfoStructure getRowInfoStructure()
  {
    return infoStructure;
  }

  /**
   * If that method returns true, the element will not be used for rendering.
   * For the purpose of computing sizes or performing the layouting (in the
   * validate() step), this element will treated as if it is not there.
   * <p/>
   * If the element reports itself as non-empty, however, it will affect the
   * margin computation.
   *
   * @return
   */
  public boolean isIgnorableForRendering()
  {
    if (autoGenerated)
    {
      return false;
    }
    return super.isIgnorableForRendering();
  }

  public TableRenderBox getTable()
  {
    RenderBox parent = getParent();
    if (parent instanceof TableSectionRenderBox)
    {
      final TableSectionRenderBox tableSectionRenderBox =
          (TableSectionRenderBox) parent;
      return tableSectionRenderBox.getTable();
    }
    return null;
  }

  public TableColumnModel getColumnModel()
  {
    final TableRenderBox table = getTable();
    if (table == null)
    {
      return null;
    }
    return table.getColumnModel();
  }

  public Object clone()
  {
    try
    {
      TableRowRenderBox rb = (TableRowRenderBox) super.clone();
      if (infoStructure.isValidationDone() == false)
      {
        rb.infoStructure = (TableRowInfoStructure) infoStructure.clone();
      }
      return rb;
    }
    catch (CloneNotSupportedException cne)
    {
      throw new IllegalStateException("Clone not supported is not supported.");
    }
  }
}
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