/*!
* 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.actions.report;
import java.awt.Component;
import java.awt.Window;
import java.awt.event.ActionEvent;
import javax.swing.Action;
import javax.swing.JDialog;
import javax.swing.JFrame;
import org.pentaho.reporting.designer.core.ReportDesignerContext;
import org.pentaho.reporting.designer.core.actions.AbstractReportContextAction;
import org.pentaho.reporting.designer.core.actions.ActionMessages;
import org.pentaho.reporting.designer.core.editor.ReportDocumentContext;
import org.pentaho.reporting.designer.core.editor.format.RowBandingDialog;
import org.pentaho.reporting.designer.core.util.undo.ExpressionAddedUndoEntry;
import org.pentaho.reporting.designer.core.util.undo.ExpressionEditUndoEntry;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.event.ReportModelEvent;
import org.pentaho.reporting.engine.classic.core.function.Expression;
import org.pentaho.reporting.engine.classic.core.function.ExpressionCollection;
import org.pentaho.reporting.engine.classic.core.function.RowBandingFunction;
import org.pentaho.reporting.libraries.designtime.swing.LibSwingUtil;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class EditRowBandingAction extends AbstractReportContextAction
{
public EditRowBandingAction()
{
putValue(Action.NAME, ActionMessages.getString("EditRowBandingAction.Text"));
putValue(Action.DEFAULT, ActionMessages.getString("EditRowBandingAction.Description"));
putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("EditRowBandingAction.Mnemonic"));
putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("EditRowBandingAction.Accelerator"));
}
public void actionPerformed(final ActionEvent e)
{
final ReportDocumentContext activeContext = getActiveContext();
if (activeContext == null)
{
return;
}
final ReportDesignerContext context = getReportDesignerContext();
final Component parent = context.getView().getParent();
final Window window = LibSwingUtil.getWindowAncestor(parent);
final RowBandingDialog dialog;
if (window instanceof JDialog)
{
dialog = new RowBandingDialog((JDialog) window);
}
else if (window instanceof JFrame)
{
dialog = new RowBandingDialog((JFrame) window);
}
else
{
dialog = new RowBandingDialog();
}
final RowBandingFunction function = findRowbandingFunction(activeContext);
final AbstractReportDefinition report = activeContext.getReportDefinition();
if (function == null)
{
final RowBandingFunction newFunction = new RowBandingFunction();
if (dialog.performEdit(newFunction))
{
report.getExpressions().add(newFunction);
activeContext.getUndo().addChange(ActionMessages.getString("EditRowBandingAction.Text"),
new ExpressionAddedUndoEntry(report.getExpressions().size() - 1, newFunction));
report.notifyNodeChildAdded(function);
}
}
else
{
final RowBandingFunction instance = (RowBandingFunction) function.getInstance();
if (dialog.performEdit(instance))
{
final ExpressionCollection expressionCollection = report.getExpressions();
final int idx = expressionCollection.indexOf(function);
expressionCollection.set(idx, instance);
activeContext.getUndo().addChange(ActionMessages.getString("EditRowBandingAction.Text"),
new ExpressionEditUndoEntry(idx, function, instance));
report.fireModelLayoutChanged(report, ReportModelEvent.NODE_PROPERTIES_CHANGED, instance);
}
}
}
private RowBandingFunction findRowbandingFunction(final ReportDocumentContext activeContext)
{
final Expression[] expressions = activeContext.getReportDefinition().getExpressions().getExpressions();
for (int i = 0; i < expressions.length; i++)
{
final Expression expression = expressions[i];
if (expression instanceof RowBandingFunction)
{
return (RowBandingFunction) expression;
}
}
return null;
}
}