/**
 * ===========================================
 * 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: ParagraphPoolBox.java 3524 2007-10-16 11:26:31Z tmorgner $
 * ------------
 * (C) Copyright 2006-2007, by Pentaho Corporation.
 */
package org.jfree.layouting.renderer.model;

import org.jfree.layouting.input.style.keys.line.LineStyleKeys;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.layouter.context.LayoutContext;
import org.jfree.layouting.output.OutputProcessorMetaData;
import org.jfree.layouting.renderer.border.RenderLength;

/**
 * Creation-Date: 04.10.2006, 17:50:44
 *
 * @author Thomas Morgner
 */
public class ParagraphPoolBox extends InlineRenderBox
{
  private RenderLength lineHeight;

  public ParagraphPoolBox(final BoxDefinition boxDefinition)
  {
    super(boxDefinition);
  }

  public void appyStyle(final LayoutContext context, final OutputProcessorMetaData metaData)
  {
    super.appyStyle(context, metaData);
    final CSSValue lineHeightValue = context.getValue(LineStyleKeys.LINE_HEIGHT);
    lineHeight = RenderLength.convertToInternal
        (lineHeightValue, context, metaData);

  }

  public RenderLength getLineHeight()
  {
    return lineHeight;
  }

  public void close()
  {
    if (isOpen() == false)
    {
      return;
    }

    final RenderBox parent = getParent();
    super.close();
    if (parent != null)
    {
      parent.close();
    }
  }

  public void trim()
  {
    // remove leading and trailing spacer ...
    RenderNode node = getFirstChild();
    while (node != null)
    {
      if (node.isIgnorableForRendering() == false)
      {
        break;
      }
      remove(node);
      node = getFirstChild();
    }

    node = getLastChild();
    while (node != null)
    {
      if (node.isIgnorableForRendering() == false)
      {
        break;
      }
      remove(node);
      node = getLastChild();
    }
  }

  public void setParent (final RenderBox parent)
  {
    super.setParent(parent);
  }
}