Package org.jfree.layouting.renderer.model.page

Source Code of org.jfree.layouting.renderer.model.page.DefaultPageGrid

/**
* ===========================================
* 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: DefaultPageGrid.java 6653 2008-12-02 14:53:40Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.renderer.model.page;

import org.jfree.layouting.input.style.PageAreaType;
import org.jfree.layouting.input.style.keys.page.PageStyleKeys;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.layouter.context.LayoutStyle;
import org.jfree.layouting.layouter.context.PageContext;
import org.jfree.layouting.layouter.style.CSSValueResolverUtility;
import org.jfree.layouting.output.OutputProcessorMetaData;

/**
* Creation-Date: 15.06.2006, 16:16:00
*
* @author Thomas Morgner
*/
public class DefaultPageGrid implements PageGrid
{
  private int rows;
  private int columns;
  private PhysicalPageBox[] pages;

  public DefaultPageGrid(final PageContext pageContext,
                         final OutputProcessorMetaData metaData)
  {
    final LayoutStyle areaDefinition =
            pageContext.getAreaDefinition(PageAreaType.CONTENT);
    final CSSValue hspanValue = areaDefinition.getValue(PageStyleKeys.HORIZONTAL_PAGE_SPAN);
    final CSSValue vspanValue = areaDefinition.getValue(PageStyleKeys.VERTICAL_PAGE_SPAN);

    this.columns = Math.max (1, (int) CSSValueResolverUtility.getNumericValue
            (hspanValue, metaData.getHorizontalPageSpan()));
    this.rows = Math.max (1, (int) CSSValueResolverUtility.getNumericValue
            (vspanValue, metaData.getVerticalPageSpan()));

    this.pages = new PhysicalPageBox[rows * columns];

    long globalY = 0;
    for (int row = 0; row < rows; row++)
    {
      long globalX = 0;
      long lastHeight = 0;
      for (int col = 0; col < columns; col++)
      {
        final PhysicalPageBox ppb =
            new PhysicalPageBox(pageContext, metaData, globalX, globalY);
        pages[row * columns + col] = ppb;
        globalX += ppb.getImageableWidth();
        lastHeight = ppb.getImageableHeight();
      }
      globalY += lastHeight;
    }
  }


  public PhysicalPageBox getPage(final int row, final int col)
  {
    return pages[row * rows + col];
  }

  public int getRowCount()
  {
    return rows;
  }

  public int getColumnCount()
  {
    return columns;
  }

  public Object clone ()
  {
    try
    {
      final DefaultPageGrid o = (DefaultPageGrid) super.clone();
      o.pages = (PhysicalPageBox[]) pages.clone();
      for (int i = 0; i < pages.length; i++)
      {
        final PhysicalPageBox page = pages[i];
        o.pages[i] = (PhysicalPageBox) page.clone();
      }
      return o;
    }
    catch (CloneNotSupportedException e)
    {
      throw new IllegalStateException();
    }
  }
}
TOP

Related Classes of org.jfree.layouting.renderer.model.page.DefaultPageGrid

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.