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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 JasperReports. If not, see .
*/
package net.sf.jasperreports.components.headertoolbar.actions;
import java.util.Iterator;
import java.util.List;
import net.sf.jasperreports.components.headertoolbar.actions.ResizeColumnCommand.ColumnGroupInfo;
import net.sf.jasperreports.components.headertoolbar.actions.ResizeColumnCommand.ColumnUtil;
import net.sf.jasperreports.components.table.BaseColumn;
import net.sf.jasperreports.components.table.StandardTable;
import net.sf.jasperreports.components.table.util.TableUtil;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.web.commands.Command;
import net.sf.jasperreports.web.commands.CommandException;
import net.sf.jasperreports.web.commands.CommandStack;
/**
* @author Narcis Marcu ([email protected])
*/
public class MoveColumnCommand implements Command
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private StandardTable table;
private MoveColumnData moveColumnData;
private CommandStack individualResizeCommandStack;
public MoveColumnCommand(StandardTable table, MoveColumnData moveColumnData)
{
this.table = table;
this.moveColumnData = moveColumnData;
this.individualResizeCommandStack = new CommandStack();
}
@Override
public void execute() throws CommandException
{
moveColumns(moveColumnData);
}
private void moveColumns(MoveColumnData moveColumnData) throws CommandException
{
int srcColIndex = moveColumnData.getColumnToMoveIndex();
int destColIndex = moveColumnData.getColumnToMoveNewIndex();
List allColumns = TableUtil.getAllColumns(table);
BaseColumn srcColumn = allColumns.get(srcColIndex);
BaseColumn destColumn = allColumns.get(destColIndex);
List srcColParentColumnGroups = new ColumnUtil(srcColIndex).getParentColumnGroups(table.getColumns());
List destColParentColumnGroups = new ColumnUtil(destColIndex).getParentColumnGroups(table.getColumns());
List srcSiblingColumns =
(srcColParentColumnGroups == null || srcColParentColumnGroups.isEmpty())
? table.getColumns()
: srcColParentColumnGroups.get(srcColParentColumnGroups.size() - 1).columnGroup.getColumns();
int srcSiblingColIndex = srcSiblingColumns.indexOf(srcColumn);
int destSiblingColIndex = srcSiblingColumns.indexOf(destColumn);
if (
destSiblingColIndex < 0
&& (destColParentColumnGroups != null && !destColParentColumnGroups.isEmpty())
)
{
Iterator it = destColParentColumnGroups.iterator();
while (destSiblingColIndex < 0 && it.hasNext())
{
ColumnGroupInfo columnGroupInfo = it.next();
destSiblingColIndex = srcSiblingColumns.indexOf(columnGroupInfo.columnGroup);
}
}
if (destSiblingColIndex < 0)
{
//the dest column is not a sibling of the src column nor a descendant of a sibling; move is not possible
}
else if (srcSiblingColIndex != destSiblingColIndex)
{
individualResizeCommandStack.execute(new SimpleMoveColumnCommand(srcSiblingColumns, srcColumn, srcSiblingColIndex, destSiblingColIndex));
}
}
@Override
public void undo()
{
individualResizeCommandStack.undoAll();
}
@Override
public void redo()
{
individualResizeCommandStack.redoAll();
}
}