Illustrates composing of tables

EasytableTableWithinTable.java

package org.vandeseer.integrationtest.custom;

import lombok.Getter;
import lombok.experimental.SuperBuilder;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.vandeseer.easytable.TableDrawer;
import org.vandeseer.easytable.drawing.Drawer;
import org.vandeseer.easytable.drawing.DrawingContext;
import org.vandeseer.easytable.drawing.cell.AbstractCellDrawer;
import org.vandeseer.easytable.structure.Row;
import org.vandeseer.easytable.structure.Table;
import org.vandeseer.easytable.structure.cell.AbstractCell;
import org.vandeseer.easytable.structure.cell.TextCell;

import java.io.IOException;

import static org.apache.pdfbox.pdmodel.font.PDType1Font.HELVETICA;
import static org.apache.pdfbox.pdmodel.font.PDType1Font.TIMES_ROMAN;

public class TableWithinTableCellDrawer {

    @Getter
    @SuperBuilder
    private static class TableWithinTableCell extends AbstractCell {

        private Table table;

        @Override
        public float getMinHeight() {
            return table.getHeight() + getVerticalPadding();
        }

        @Override
        protected Drawer createDefaultDrawer() {
            return new TableWithinTableDrawer(this);
        }

        private class TableWithinTableDrawer extends AbstractCellDrawer<TableWithinTableCell> {

            public TableWithinTableDrawer(TableWithinTableCell tableWithinTableCell) {
                this.cell = tableWithinTableCell;
            }

            @Override
            public void drawContent(DrawingContext drawingContext) {
                TableDrawer.builder()
                        .startX(drawingContext.getStartingPoint().x + getPaddingLeft())
                        .startY(drawingContext.getStartingPoint().y + cell.getHeight() - getPaddingTop())
                        .table(this.cell.getTable())
                        .contentStream(drawingContext.getContentStream())
                        .build()
                        .draw();
            }

            @Override
            protected float calculateInnerHeight() {
                return cell.table.getHeight();
            }
        }

    }

    private static Table createSimpleTable() {
        return Table.builder()
                .addColumnsOfWidth(40, 40, 100, 40)
                .fontSize(8)
                .font(HELVETICA)
                .addRow(Row.builder()
                        .add(TextCell.builder().borderWidth(1).text("23").build())
                        .add(TextCell.builder().borderWidth(1).text("65").build())
                        .add(TextCell.builder().borderWidth(1).text("12").build())
                        .add(TextCell.builder().borderWidth(1).text("99").build())
                        .build())
                .addRow(Row.builder()
                        .add(TextCell.builder().borderWidth(1).text("A").build())
                        .add(TextCell.builder().borderWidth(1).text("C").build())
                        .add(TableWithinTableCell.builder().borderWidth(1).table(createInnerTable()).build())
                        .add(TextCell.builder().borderWidth(1).text("B").build())
                        .build())
                .build();
    }

    private static Table createInnerTable() {
        return Table.builder()
                .addColumnsOfWidth(20, 20, 20, 20)
                .fontSize(6)
                .font(TIMES_ROMAN)
                .addRow(Row.builder()
                        .add(TextCell.builder().borderWidth(1).text("1").build())
                        .add(TextCell.builder().borderWidth(1).text("3").build())
                        .add(TextCell.builder().borderWidth(1).text("1").build())
                        .add(TextCell.builder().borderWidth(1).text("2").build())
                        .build())
                .addRow(Row.builder()
                        .add(TextCell.builder().borderWidth(1).text("4").build())
                        .add(TextCell.builder().borderWidth(1).text("7").build())
                        .add(TextCell.builder().borderWidth(1).text("1").build())
                        .add(TextCell.builder().borderWidth(1).text("1").build())
                        .build())
                .build();
    }

    public static void main(String[] args) throws IOException {

        try(final PDDocument document = new PDDocument()) {

            final PDPage page = new PDPage(PDRectangle.A4);
            document.addPage(page);

            try (final PDPageContentStream contentStream = new PDPageContentStream(document, page)) {

                TableDrawer.builder()
                        .contentStream(contentStream)
                        .table(createSimpleTable())
                        .startX(50)
                        .startY(page.getMediaBox().getHeight() - 50)
                        .build()
                        .draw();

            }

            document.save("table-within-table.pdf");
        }
    }

}