questions.forms.FormWithTooltips.java Source code

Introduction

Here is the source code for questions.forms.FormWithTooltips.java

Source

/*
 * This example was written by Bruno Lowagie, author of the book
 * 'iText in Action' by Manning Publications (ISBN: 1932394796).
 * You can use this example as inspiration for your own applications.
 * The following license applies:
 * http://www.1t3xt.com/about/copyright/index.php?page=MIT
 */

package questions.forms;

import java.io.FileOutputStream;
import java.io.IOException;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.ExceptionConverter;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfFormField;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPCellEvent;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.TextField;

public class FormWithTooltips implements PdfPCellEvent {

    public static final String RESULT = "results/questions/forms/form_with_tooltips.pdf";

    protected PdfFormField parent;

    protected PdfFormField kid;

    protected float padding;

    protected String tooltip;

    FormWithTooltips(PdfFormField parent, PdfFormField kid, float padding, String tooltip) {
        this.parent = parent;
        this.kid = kid;
        this.padding = padding;
        this.tooltip = tooltip;
    }

    /**
     * @see com.lowagie.text.pdf.PdfPCellEvent#cellLayout(com.lowagie.text.pdf.PdfPCell,
     *      com.lowagie.text.Rectangle, com.lowagie.text.pdf.PdfContentByte[])
     */
    public void cellLayout(PdfPCell cell, Rectangle rect, PdfContentByte[] cb) {
        kid.setWidget(new Rectangle(rect.getLeft(padding), rect.getBottom(padding), rect.getRight(padding),
                rect.getTop(padding)), PdfAnnotation.HIGHLIGHT_INVERT);
        kid.setUserName(tooltip);
        try {
            parent.addKid(kid);
        } catch (Exception e) {
            throw new ExceptionConverter(e);
        }
    }

    private static PdfPTable createTable(PdfWriter writer, PdfFormField parent)
            throws IOException, DocumentException {
        PdfPTable table = new PdfPTable(2);
        PdfPCell cell;
        TextField field;
        table.getDefaultCell().setPadding(5f);

        table.addCell("Your name:");
        cell = new PdfPCell();
        field = new TextField(writer, new Rectangle(0, 0), "name");
        field.setFontSize(12);
        cell.setCellEvent(new FormWithTooltips(parent, field.getTextField(), 1, "Your name"));
        table.addCell(cell);

        table.addCell("Your home address:");
        cell = new PdfPCell();
        field = new TextField(writer, new Rectangle(0, 0), "address");
        field.setFontSize(12);
        cell.setCellEvent(new FormWithTooltips(parent, field.getTextField(), 1, "Street and number"));
        table.addCell(cell);

        table.addCell("Postal code:");
        cell = new PdfPCell();
        field = new TextField(writer, new Rectangle(0, 0), "postal_code");
        field.setFontSize(12);
        cell.setCellEvent(new FormWithTooltips(parent, field.getTextField(), 1, "Postal code"));
        table.addCell(cell);

        table.addCell("City:");
        cell = new PdfPCell();
        field = new TextField(writer, new Rectangle(0, 0), "city");
        field.setFontSize(12);
        cell.setCellEvent(new FormWithTooltips(parent, field.getTextField(), 1, "City"));
        table.addCell(cell);

        table.addCell("Country:");
        cell = new PdfPCell();
        field = new TextField(writer, new Rectangle(0, 0), "country");
        field.setFontSize(12);
        cell.setCellEvent(new FormWithTooltips(parent, field.getTextField(), 1, "Country"));
        table.addCell(cell);

        table.addCell("Your email address:");
        cell = new PdfPCell();
        field = new TextField(writer, new Rectangle(0, 0), "email");
        field.setFontSize(12);
        cell.setCellEvent(new FormWithTooltips(parent, field.getTextField(), 1, "mail address"));
        table.addCell(cell);
        return table;
    }

    public static void main(String[] args) {
        Document document = new Document();
        try {
            PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(RESULT));
            document.open();
            PdfFormField person = PdfFormField.createEmpty(writer);
            person.setFieldName("person");
            document.add(createTable(writer, person));
            writer.addAnnotation(person);
        } catch (DocumentException de) {
            System.err.println(de.getMessage());
        } catch (IOException ioe) {
            System.err.println(ioe.getMessage());
        }
        // step 5
        document.close();
    }
}