/*
* 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) 2009 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.reporting.designer.core.util.undo;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.pentaho.reporting.designer.core.editor.ReportRenderContext;
import org.pentaho.reporting.libraries.base.config.HierarchicalConfiguration;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class EditReportConfigUndoEntry implements UndoEntry
{
private HashMap oldConfig;
private HashMap newConfig;
public EditReportConfigUndoEntry(final HashMap oldConfig, final HashMap newConfig)
{
this.oldConfig = oldConfig;
this.newConfig = newConfig;
}
public void undo(final ReportRenderContext renderContext)
{
final HierarchicalConfiguration configuration =
(HierarchicalConfiguration) renderContext.getMasterReportElement().getConfiguration();
final Iterator newEntries = newConfig.entrySet().iterator();
while (newEntries.hasNext())
{
final Map.Entry entry = (Map.Entry) newEntries.next();
final String o = (String) entry.getKey();
configuration.setConfigProperty(o, null);
}
final Iterator oldEntries = oldConfig.entrySet().iterator();
while (oldEntries.hasNext())
{
final Map.Entry entry = (Map.Entry) oldEntries.next();
final String o = (String) entry.getKey();
configuration.setConfigProperty(o, (String) entry.getValue());
}
renderContext.getMasterReportElement().notifyNodePropertiesChanged();
}
public void redo(final ReportRenderContext renderContext)
{
final HierarchicalConfiguration configuration =
(HierarchicalConfiguration) renderContext.getMasterReportElement().getConfiguration();
final Iterator newEntries = oldConfig.entrySet().iterator();
while (newEntries.hasNext())
{
final Map.Entry entry = (Map.Entry) newEntries.next();
final String o = (String) entry.getKey();
configuration.setConfigProperty(o, null);
}
final Iterator oldEntries = newConfig.entrySet().iterator();
while (oldEntries.hasNext())
{
final Map.Entry entry = (Map.Entry) oldEntries.next();
final String o = (String) entry.getKey();
configuration.setConfigProperty(o, (String) entry.getValue());
}
renderContext.getMasterReportElement().notifyNodePropertiesChanged();
}
public UndoEntry merge(final UndoEntry newEntry)
{
return null;
}
}