/*
* The Kuali Financial System, a comprehensive financial management system for higher education.
*
* Copyright 2005-2014 The Kuali Foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kuali.kfs.sys.document.service.impl;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.kuali.kfs.sys.document.service.AccountingLineTableTransformation;
import org.kuali.kfs.sys.document.web.AccountingLineTableCell;
import org.kuali.kfs.sys.document.web.AccountingLineTableRow;
/**
* Rendering transformation which removes any empty cells and rows from a table
*/
public class RemoveEmptyCellsAndRowsRenderingTransformationImpl implements AccountingLineTableTransformation {
/**
* Removes any empty cells and rows from this table
* @param rows the table rows to render
*/
public void transformRows(List<AccountingLineTableRow> rows) {
Set<AccountingLineTableRow> rowsToRemove = new HashSet<AccountingLineTableRow>();
for (AccountingLineTableRow row : rows) {
removeEmptyCells(row);
if (row.isEmpty()) {
rowsToRemove.add(row);
}
}
rows.removeAll(rowsToRemove);
}
/**
* Removes all empty cells from a given row
* @param row the row to remove empty cells from
*/
public void removeEmptyCells(AccountingLineTableRow row) {
Set<AccountingLineTableCell> cellsToRemove = new HashSet<AccountingLineTableCell>();
for (AccountingLineTableCell cell : row.getCells()) {
if (cell.isEmpty()) {
cellsToRemove.add(cell);
}
}
row.getCells().removeAll(cellsToRemove);
}
}