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/*
* Copyright (C) 2022 Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
*
* This file is part of Simply Reports.
*
* Simply Reports 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.
*
* Simply Reports 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 Simply Reports. If not, see <https://www.gnu.org/licenses/>.
*/
package it.alessandroiezzi.simplyreports.pdf;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.*;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.function.Supplier;
public abstract class PDFTable<E> extends PDFEntity<PdfPTable> {
private final List<E> entities;
private final List<PdfTableCell> cells = new ArrayList<>();
private int[] widths = null;
private PDFTableHeader header;
private PDFTableFooter footer;
public PDFTable(List<E> entities, int...widths) {
this.entities = entities;
this.widths = widths;
generateSignature();
}
private void generateSignature() {
SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
addFooter(new PDFTableFooter(null,
"Generato con Simply Reports il " + sdf.format(new Date()),
null,
null,
0));
}
protected abstract int getNumberOfColumns();
protected abstract void mapRow(E entity);
public void addCell(PdfTableCell cell) {
cells.add(cell);
}
public void addCell(Supplier<String> value) {
addCell(new PdfTableCell(value));
}
public void addHeader(PDFTableHeader header) {
this.header = header;
}
public void addFooter(PDFTableFooter footer) {
this.footer = footer;
}
@Override
protected PdfPTable generate(PdfWriter writer) {
try {
PdfPTable table = new PdfPTable(getNumberOfColumns());
table.setWidthPercentage(100);
if (widths != null && widths.length > 0)
table.setWidths(widths);
for (E entity : this.entities) {
mapRow(entity);
}
if (header != null && writer != null) {
if (header.getColspan() == null) {
header.setColspan(widths.length);
}
table.addCell(header.generate(writer));
}
for (PdfTableCell cell : cells) {
table.addCell(cell.getValue());
}
if (footer != null && writer != null) {
if (footer.getColspan() == null) {
footer.setColspan(widths.length);
}
table.addCell(footer.generate(writer));
}
return table;
} catch (DocumentException ex) {
throw new RuntimeException(ex);
}
}
}
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