Package org.pentaho.reporting.engine.classic.core.layout.process.util

Source Code of org.pentaho.reporting.engine.classic.core.layout.process.util.MinorAxisNodeContextPool

/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.core.layout.process.util;

import org.pentaho.reporting.engine.classic.core.layout.model.LayoutNodeTypes;
import org.pentaho.reporting.engine.classic.core.layout.model.LogicalPageBox;
import org.pentaho.reporting.engine.classic.core.layout.model.RenderBox;
import org.pentaho.reporting.engine.classic.core.layout.model.context.StaticBoxLayoutProperties;

public class MinorAxisNodeContextPool extends StackedObjectPool<MinorAxisNodeContext>
{
  public MinorAxisNodeContextPool()
  {
  }

  public MinorAxisNodeContext create()
  {
    return new MinorAxisNodeContext(this);
  }

  private boolean isEstablishBlockContext(final int nodeType,
                                          final boolean definedWidth)
  {
    if ((nodeType & LayoutNodeTypes.MASK_BOX_BLOCK) == LayoutNodeTypes.MASK_BOX_BLOCK)
    {
      return definedWidth;
    }

    if ((nodeType & LayoutNodeTypes.TYPE_BOX_CANVAS) == LayoutNodeTypes.TYPE_BOX_CANVAS)
    {
      return definedWidth;
    }

    if ((nodeType & LayoutNodeTypes.TYPE_BOX_ROWBOX) == LayoutNodeTypes.TYPE_BOX_ROWBOX)
    {
      return definedWidth;
    }

    if ((nodeType & LayoutNodeTypes.TYPE_BOX_TABLE) == LayoutNodeTypes.TYPE_BOX_TABLE)
    {
      return true;
    }

    if ((nodeType & LayoutNodeTypes.TYPE_BOX_TABLE_SECTION) == LayoutNodeTypes.TYPE_BOX_TABLE_SECTION)
    {
      return true;
    }
    if ((nodeType & LayoutNodeTypes.TYPE_BOX_TABLE_CELL) == LayoutNodeTypes.TYPE_BOX_TABLE_CELL)
    {
      return true;
    }
    return false;
  }

  public MinorAxisNodeContext createContext(final RenderBox box,
                                            final MinorAxisNodeContext context,
                                            final boolean blockLevelNode)
  {
    final MinorAxisNodeContext nodeContext;
    final int nodeType = box.getNodeType();
    final boolean horizontal;
    if (nodeType == LayoutNodeTypes.TYPE_BOX_LOGICALPAGE)
    {
      nodeContext = new MinorAxisLogicalPageContext((LogicalPageBox) box);
      horizontal = false;
    }
    else
    {
      nodeContext = get();
      nodeContext.reuseParent(context);

      final int layoutNodeType = box.getLayoutNodeType();
      if ((layoutNodeType & LayoutNodeTypes.MASK_BOX_ROW) == LayoutNodeTypes.MASK_BOX_ROW ||
          (layoutNodeType == LayoutNodeTypes.TYPE_BOX_TABLE_ROW))
      {
        horizontal = true;
      }
      else
      {
        horizontal = false;
      }
    }

    // auto-boxes do not establish an own block context.
    final StaticBoxLayoutProperties sblp = box.getStaticBoxLayoutProperties();
    nodeContext.reuse(horizontal, blockLevelNode, box.isBoxOverflowX(),
        isEstablishBlockContext(box.getNodeType(), sblp.isDefinedWidth()));
    return nodeContext;
  }
}
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