<?php
/* $Id: starter_webform.php,v 1.5 2006/10/02 19:22:45 rjs 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
*/
$outfilename = "starter_webform.pdf";

$llx=150; $lly=550; $urx=350; $ury=575;

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

$p = PDF_new();

# This means we must check return values of load_font() etc.
PDF_set_parameter($p, "errorpolicy", "return");

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

if (PDF_begin_document($p, $outfilename, $optlist) == 0) {
    die("Error: " . PDF_get_errmsg($p));
}

PDF_set_info($p, "Creator", "PDFlib starter sample");
PDF_set_info($p, "Title", "starter_webform");

$optlist = "script={" . $js . "}";
$action = PDF_create_action($p, "JavaScript", $optlist);

$optlist = "action={open=" . $action . "}";
PDF_begin_page_ext($p, 595, 842, $optlist);

$font = PDF_load_font($p, "Helvetica", "winansi", "");
if ($font == 0) {
    die("Error: " . PDF_get_errmsg($p));
}
PDF_setfont($p, $font, 24);

PDF_fit_textline($p, "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=" . $font;
PDF_create_field($p, $llx, $lly, $urx, $ury, "date", "textfield", $optlist);

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

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

PDF_end_page_ext($p, "");

PDF_end_document($p, "");

PDF_delete($p);

print "$outfilename generated";
?>