/**
 * This example was written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/26625455/unable-to-left-align-nested-tables-inside-a-cell
 */
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class NestedTablesAligned {
    
    public static final String DEST = "results/tables/nested_tables_aligned.pdf";
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new NestedTablesAligned().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document(PageSize.A4.rotate());
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        float[] columnWidths = {200f, 200f, 200f};
        PdfPTable table = new PdfPTable(columnWidths);
        table.setTotalWidth(600f);
        table.setLockedWidth(true);
        buildNestedTables(table);
        document.add(table);
        document.close();
    }
    
    private void buildNestedTables(PdfPTable outerTable) {
        PdfPTable innerTable1 = new PdfPTable(1);
        innerTable1.setTotalWidth(100f);
        innerTable1.setLockedWidth(true);
        innerTable1.setHorizontalAlignment(Element.ALIGN_LEFT);
        innerTable1.addCell("Cell 1");
        innerTable1.addCell("Cell 2");
        outerTable.addCell(innerTable1);
        PdfPTable innerTable2 = new PdfPTable(2);
        innerTable2.setTotalWidth(100f);
        innerTable2.setLockedWidth(true);
        innerTable2.setHorizontalAlignment(Element.ALIGN_CENTER);
        innerTable2.addCell("Cell 3");
        innerTable2.addCell("Cell 4");
        outerTable.addCell(innerTable2);
        PdfPTable innerTable3 = new PdfPTable(2);
        innerTable3.setTotalWidth(100f);
        innerTable3.setLockedWidth(true);
        innerTable3.setHorizontalAlignment(Element.ALIGN_RIGHT);
        innerTable3.addCell("Cell 5");
        innerTable3.addCell("Cell 6");
        outerTable.addCell(innerTable3);
   }
}