Package org.pentaho.reporting.designer.core.editor.structuretree

Source Code of org.pentaho.reporting.designer.core.editor.structuretree.SubReportDataTreeModel

/*!
* 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.designer.core.editor.structuretree;

import org.pentaho.reporting.designer.core.editor.ReportDocumentContext;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.CompoundDataFactory;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.ParameterMapping;
import org.pentaho.reporting.engine.classic.core.Section;
import org.pentaho.reporting.engine.classic.core.SubReport;

public class SubReportDataTreeModel extends AbstractReportDataTreeModel
{
  private SubReport reportElement;
  private SubReportParametersNode reportParametersNode;

  public SubReportDataTreeModel(final ReportDocumentContext renderContext)
  {
    super(renderContext);
    if (renderContext.getReportDefinition() instanceof SubReport == false)
    {
      throw new IllegalArgumentException("Instantiating a SubReportDataTreeModel on a MasterReport-Context");
    }

    this.reportElement = (SubReport) renderContext.getReportDefinition();
    this.reportParametersNode = new SubReportParametersNode();
  }

  protected SubReportParametersNode getReportParametersNode()
  {
    return reportParametersNode;
  }

  public Object getRoot()
  {
    return reportElement;
  }

  public boolean isLeaf(final Object node)
  {
    if (node == reportParametersNode)
    {
      return false;
    }
    if (node == reportParametersNode.getImportParametersNode())
    {
      return false;
    }
    if (node == reportParametersNode.getExportParametersNode())
    {
      return false;
    }
    if (node instanceof ParameterMapping)
    {
      return true;
    }
    if (node instanceof ParentDataFactoryNode)
    {
      return false;
    }
    if (node instanceof InheritedDataFactoryWrapper)
    {
      return false;
    }
    return super.isLeaf(node);
  }

  public Object getChild(final Object parent, final int index)
  {
    if (parent == reportParametersNode)
    {
      switch (index)
      {
        case 0:
          return reportParametersNode.getImportParametersNode();
        case 1:
          return reportParametersNode.getExportParametersNode();
        default:
          throw new IndexOutOfBoundsException();
      }
    }
    else if (parent == reportParametersNode.getImportParametersNode())
    {
      return reportElement.getInputMappings()[index];
    }
    else if (parent == reportParametersNode.getExportParametersNode())
    {
      return reportElement.getExportMappings()[index];
    }
    else if (parent == reportElement)
    {
      switch (index)
      {
        case 0:
          return reportElement.getDataFactory();
        case 1:
        {
          final Section parentSection = reportElement.getParentSection();
          if (parentSection == null)
          {
            throw new IllegalStateException();
          }
          final AbstractReportDefinition reportDefinition =
              (AbstractReportDefinition) parentSection.getReportDefinition();
          return new ParentDataFactoryNode(reportDefinition);
        }
        case 2:
          return getReportFunctionNode();
        case 3:
          return getReportEnvironmentDataRow();
        case 4:
          return reportParametersNode;
        default:
          throw new IndexOutOfBoundsException();
      }
    }
    else if (parent instanceof ParentDataFactoryNode)
    {
      final ParentDataFactoryNode pdfn = (ParentDataFactoryNode) parent;
      final CompoundDataFactory compoundDataFactory = pdfn.getDataFactory();
      if (index == compoundDataFactory.size())
      {
        if (pdfn.isSubReport())
        {
          return pdfn.getParentNode();
        }
        throw new IndexOutOfBoundsException();
      }
      return new InheritedDataFactoryWrapper(compoundDataFactory.getReference(index));
    }
    else if (parent instanceof InheritedDataFactoryWrapper)
    {
      final InheritedDataFactoryWrapper idf = (InheritedDataFactoryWrapper) parent;
      final DataFactory dataFactory = idf.getDataFactory();
      final String[] queryNames = dataFactory.getQueryNames();
      return new ReportQueryNode(dataFactory, queryNames[index], false);
    }
    else
    {
      return super.getChild(parent, index);
    }
  }

  public int getChildCount(final Object parent)
  {
    if (parent == reportElement)
    {
      return 5;
    }
    if (parent == reportParametersNode)
    {
      return 2;
    }
    if (parent == reportParametersNode.getImportParametersNode())
    {
      return reportElement.getInputMappings().length;
    }
    if (parent == reportParametersNode.getExportParametersNode())
    {
      return reportElement.getExportMappings().length;
    }
    if (parent instanceof ParentDataFactoryNode)
    {
      final ParentDataFactoryNode pdfn = (ParentDataFactoryNode) parent;
      final CompoundDataFactory compoundDataFactory = pdfn.getDataFactory();
      if (pdfn.isSubReport())
      {
        return compoundDataFactory.size() + 1;
      }
      return compoundDataFactory.size();
    }
    if (parent instanceof InheritedDataFactoryWrapper)
    {
      final InheritedDataFactoryWrapper idf = (InheritedDataFactoryWrapper) parent;
      return idf.getDataFactory().getQueryNames().length;
    }
    return super.getChildCount(parent);
  }

  public int getIndexOfChild(final Object parent, final Object child)
  {
    if (parent == reportElement)
    {
      if (child == reportElement.getDataFactory())
      {
        return 0;
      }
      if (child instanceof ParentDataFactoryNode)
      {
        return 1;
      }
      if (child == getReportFunctionNode())
      {
        return 2;
      }
      if (child == getReportEnvironmentDataRow())
      {
        return 3;
      }
      if (child == reportParametersNode)
      {
        return 4;
      }
      return -1;
    }
    if (parent instanceof ParentDataFactoryNode)
    {
      final ParentDataFactoryNode pdfn = (ParentDataFactoryNode) parent;
      final CompoundDataFactory compoundDataFactory = pdfn.getDataFactory();
      if (child instanceof ParentDataFactoryNode)
      {
        return compoundDataFactory.size();
      }
      if (child instanceof InheritedDataFactoryWrapper == false)
      {
        return -1;
      }

      final InheritedDataFactoryWrapper wrapper = (InheritedDataFactoryWrapper) child;
      final CompoundDataFactory dataFactoryElement = getDataFactoryElement();
      for (int i = 0; i < dataFactoryElement.size(); i++)
      {
        final DataFactory dataFactory = dataFactoryElement.getReference(i);
        if (dataFactory == wrapper.getDataFactory())
        {
          return i;
        }
      }
      return -1;
    }

    if (parent instanceof InheritedDataFactoryWrapper)
    {
      final InheritedDataFactoryWrapper idf = (InheritedDataFactoryWrapper) parent;
      if (child instanceof ReportQueryNode == false)
      {
        return -1;
      }
      final ReportQueryNode rfn = (ReportQueryNode) child;
      if (rfn.getDataFactory() != idf.getDataFactory())
      {
        return -1;
      }
      final String[] queryNames = rfn.getDataFactory().getQueryNames();
      return indexOf(queryNames, rfn.getQueryName());
    }
    if (parent == reportParametersNode)
    {
      if (child == reportParametersNode.getImportParametersNode())
      {
        return 0;
      }
      if (child == reportParametersNode.getExportParametersNode())
      {
        return 1;
      }
      return -1;
    }
    return super.getIndexOfChild(parent, child);
  }

}
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