/* $Id: starter_webform.java,v 1.3 2007/08/30 18:31:09 katja Exp $
 * Webform starter:
 * Create a linearized PDF (for fast delivery over the Web, also known as
 * "fast Web view") which is encrypted and contains some form fields
 *
 * A few lines of JavaScript are inserted as "page open" action to
 * automatically populate the date field with the current date.
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 7
 * Required data: none
 */
package com.pdflib.cookbook.pdflib.webserver;

import com.pdflib.pdflib;
import com.pdflib.PDFlibException;

public class starter_webform
{
    public static void main (String argv[])
    {
    pdflib p = null;

    String outfile = "starter_webform.pdf";
    String title = "Starter Webform";

    String optlist;
    int font, action;
    double llx=150, lly=550, urx=350, ury=575;

    /* JavaScript for automatically filling the date into a form field */
    String js =
        "var d = util.printd(\"mm/dd/yyyy\", new Date());" +
        "var date = this.getField(\"date\");" +
        "date.value = d;";

    try {
        p = new pdflib();

        /* This means we must check return values of load_font() etc. */
        p.set_parameter("errorpolicy", "return");

        /* Prevent changes with a master password */
        optlist = "linearize masterpassword=pdflib permissions={nomodify}";

        if (p.begin_document(outfile, optlist) == -1)
        throw new Exception("Error: " + p.get_errmsg());

        p.set_info("Creator", "PDFlib Cookbook");
        p.set_info("Title", title + " $Revision: 1.3 $");

        optlist = "script={" + js + "}";
        action = p.create_action("JavaScript", optlist);

        optlist = "action={open=" + action + "}";
        p.begin_page_ext(595, 842, optlist);

        font = p.load_font("Helvetica", "winansi", "");

        if (font == -1)
        throw new Exception("Error: " + p.get_errmsg());

        p.setfont(font, 24);

        p.fit_textline("Date: ", 125, lly+5, "position={right bottom}");

        /* The tooltip will be used as rollover text for the field */
        optlist =
        "tooltip={Date (will be filled automatically)} " +
        "bordercolor={gray 0} font=" + font;
        p.create_field(llx, lly, urx, ury, "date", "textfield", optlist);

        lly-=100; ury-=100;
        p.fit_textline("Name: ", 125, lly+5, "position={right bottom}");

        optlist =
        "tooltip={Enter your name here} " +
        "bordercolor={gray 0} font=" + font;
        p.create_field(llx, lly, urx, ury, "name", "textfield", optlist);

        p.end_page_ext("");

        p.end_document("");

        } catch (PDFlibException e) {
            System.err.print("PDFlib exception occurred:\n");
            System.err.print("[" + e.get_errnum() + "] " + e.get_apiname() +
                ": " + e.get_errmsg() + "\n");
        } catch (Exception e) {
            System.err.println(e.getMessage());
        } finally {
            if (p != null) {
                p.delete();
            }
        }
    }
}