pdf.PDFmultiple.java Source code

Introduction

Here is the source code for pdf.PDFmultiple.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package pdf;

import com.itextpdf.text.Anchor;
import com.itextpdf.text.Chapter;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Section;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

/**
 *
 * @author hazel
 */
public class PDFmultiple {
    private static Font catFont = new Font(Font.FontFamily.TIMES_ROMAN, 18, Font.BOLD);
    private static Font smallBold = new Font(Font.FontFamily.TIMES_ROMAN, 12, Font.BOLD);
    private static Font subFont = new Font(Font.FontFamily.TIMES_ROMAN, 16, Font.BOLD);

    public static void crearPDF(String titulo, String[][] arreglo, String nombre, Integer N, Double b0, Double b1,
            Double b2, Double Se, Double[] prediccion) throws DocumentException, FileNotFoundException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(nombre + ".pdf"));
        document.open();
        Paragraph preface = new Paragraph();
        // agregamos el titulo y un parrafo
        agregarTitulo(document, titulo);
        agregarContenido(document, titulo, arreglo, N, b0, b1, b2, Se, prediccion);

        document.close();
    }

    private static void agregarContenido(Document document, String titulo, String[][] arreglo, Integer N, Double b0,
            Double b1, Double b2, Double Se, Double[] prediccion) throws DocumentException {

        agregarTabla(document, titulo, arreglo);

        Anchor anchor = new Anchor("Datos", catFont);
        anchor.setName("Datos");
        Chapter catPart = new Chapter(new Paragraph(anchor), 1);

        Paragraph subPara = new Paragraph("Variables", subFont);
        Section subCatPart = catPart.addSection(subPara);
        subCatPart.add(new Paragraph("N: " + N));
        subCatPart.add(new Paragraph("K: 2"));
        subCatPart.add(new Paragraph("b0: " + b0));
        subCatPart.add(new Paragraph("b1: " + b1));
        subCatPart.add(new Paragraph("b2: " + b2));
        subCatPart.add(new Paragraph("Se: " + Se));
        Paragraph espacio = new Paragraph();
        addEmptyLine(espacio, 1);
        subCatPart.add(espacio);
        subPara = new Paragraph("Predicciones", subFont);
        subCatPart = catPart.addSection(subPara);
        if (prediccion[0] != null && prediccion[1] != null && prediccion[2] != null && prediccion[3] != null
                && prediccion[4] != null && prediccion[5] != null) {
            subCatPart.add(new Paragraph("X1: " + prediccion[0]));
            subCatPart.add(new Paragraph("X2: " + prediccion[1]));
            subCatPart.add(new Paragraph("Efectividad: " + prediccion[2]));
            addEmptyLine(espacio, 1);
            subCatPart.add(espacio);
            tablaPrediccion(subCatPart, prediccion[3], prediccion[4], prediccion[5]);
        } else {
            subCatPart.add(new Paragraph("No se realiz ninguna prediccion."));
        }

        document.add(catPart);
    }

    private static void agregarTitulo(Document documento, String titulo) throws DocumentException {
        Paragraph preface = new Paragraph();
        // Agregamos una linea vacia
        addEmptyLine(preface, 1);
        // Escribimos el titulo
        preface.add(new Paragraph(titulo, catFont));
        addEmptyLine(preface, 2);

        preface.add(new Paragraph(
                "A continuacion se presenta el desarrollo para la regresin lineal multiple, se muestra la tabla con las operaciones necesarias, algunas variables de gran importancia y la prediccion de las variables.",
                smallBold));

        addEmptyLine(preface, 1);
        documento.add(preface);
    }

    private static void tablaPrediccion(Section subCatPart, Double Y, Double li, Double ls)
            throws DocumentException {
        PdfPTable table = new PdfPTable(3);

        PdfPCell c1 = new PdfPCell(new Phrase("Y estimada"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Li"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Ls"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        table.setHeaderRows(1);
        table.addCell(Y + "");
        table.addCell(li + "");
        table.addCell(ls + "");
        subCatPart.add(table);

    }

    private static void agregarTabla(Document doc, String titulo, String[][] arreglo) throws DocumentException {
        PdfPTable table = new PdfPTable(9);

        PdfPCell c1 = new PdfPCell(new Phrase("X1"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("X2"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Y"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Y estimada"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("X1^2"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("X2^2"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("X1*Y"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("X2*Y"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        c1 = new PdfPCell(new Phrase("Y-Y estimada"));
        c1.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(c1);

        table.setHeaderRows(1);
        for (String[] arreglo1 : arreglo) {
            table.addCell(arreglo1[0]);
            table.addCell(arreglo1[1]);
            table.addCell(arreglo1[2]);
            table.addCell(arreglo1[3]);
            table.addCell(arreglo1[4]);
            table.addCell(arreglo1[5]);
            table.addCell(arreglo1[6]);
            table.addCell(arreglo1[7]);
            table.addCell(arreglo1[8]);
        }
        doc.add(table);

    }

    private static void addEmptyLine(Paragraph paragraph, int number) {
        for (int i = 0; i < number; i++) {
            paragraph.add(new Paragraph(" "));
        }
    }

}