protected void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdfDoc, true);
PdfButtonFormField button = PdfFormField.CreatePushButton(pdfDoc,
new Rectangle(36, 700, 36, 30), "post", "POST");
button.SetBackgroundColor(ColorConstants.GRAY);
button.SetValue("POST");
// The second parameter is optional, it declares which fields to include in the submission or which to exclude,
// depending on the setting of the Include/Exclude flag.
button.SetAction(PdfAction.CreateSubmitForm("http://itextpdf.com:8180/book/request", null,
PdfAction.SUBMIT_HTML_FORMAT | PdfAction.SUBMIT_COORDINATES));
button.SetVisibility(PdfFormField.VISIBLE_BUT_DOES_NOT_PRINT);
form.AddField(button);
pdfDoc.Close();
}
// ---------------------------------------------------------------------------
/**
* Show keys and values passed to the query string with GET
*/
protected void DoGet(byte[] pdf, Stream stream)
{
// We get a resource from our web app
PdfReader reader = new PdfReader(pdf);
// Now we create the PDF
using (PdfStamper stamper = new PdfStamper(reader, stream)) {
// We add a submit button to the existing form
PushbuttonField button = new PushbuttonField(
stamper.Writer, new Rectangle(90, 660, 140, 690), "submit"
);
button.Text = "POST";
button.BackgroundColor = new GrayColor(0.7f);
button.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit = button.Field;
submit.Action = PdfAction.CreateSubmitForm(
WebContext.Request.RawUrl, null, PdfAction.SUBMIT_HTML_FORMAT
);
stamper.AddAnnotation(submit, 1);
}
}
private static byte[] AddSubmitButton(byte[] pdfFile)
{
var pr = new PdfReader(pdfFile);
var ims = new MemoryStream();
var ps = new PdfStamper(pr, ims);
string url = AppSettings.URLForFormSubmission();
PushbuttonField button2 = new PushbuttonField(ps.Writer, new Rectangle(100, 1000, 150, 1030), "Submit");
button2.BackgroundColor = new GrayColor(0.7f);
button2.Text = "Submit";
button2.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit2 = button2.Field;
submit2.Action = PdfAction.CreateSubmitForm(url, null, PdfAction.SUBMIT_PDF);
ps.AddAnnotation(submit2, 1);
ps.Close();
return(ims.ToArray());
}
// ---------------------------------------------------------------------------
/**
* Show keys and values passed to the query string with GET
*/
protected void DoGet(byte[] pdf, Stream stream)
{
// We get a resource from our web app
PdfReader reader = new PdfReader(pdf);
// Now we create the PDF
using (PdfStamper stamper = new PdfStamper(reader, stream)) {
// We add a submit button to the existing form
PushbuttonField button = new PushbuttonField(
stamper.Writer, new Rectangle(90, 660, 140, 690), "submit"
);
button.Text = "POST";
button.BackgroundColor = new GrayColor(0.7f);
button.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit = button.Field;
submit.Action = PdfAction.CreateSubmitForm(
WebContext.Request.RawUrl, null, 0
);
stamper.AddAnnotation(submit, 1);
// We add an extra field that can be used to upload a file
TextField file = new TextField(
stamper.Writer, new Rectangle(160, 660, 470, 690), "image"
);
file.Options = TextField.FILE_SELECTION;
file.BackgroundColor = new GrayColor(0.9f);
PdfFormField upload = file.GetTextField();
upload.SetAdditionalActions(PdfName.U,
PdfAction.JavaScript(
"this.getField('image').browseForFileToSubmit();"
+ "this.getField('submit').setFocus();",
stamper.Writer
)
);
stamper.AddAnnotation(upload, 1);
}
}
// ---------------------------------------------------------------------------
/**
* Manipulates a PDF file src with the file dest as result
* @param src the original PDF
*/
// public byte[] ManipulatePdf(byte[] src) {
public void ManipulatePdf(byte[] src, Stream stream)
{
string BaseUrl = Utility.GetServerBaseUrl();
// create a reader
PdfReader reader = new PdfReader(src);
// create a stamper
using (PdfStamper stamper = new PdfStamper(reader, stream)) {
// create a submit button that posts the form as an HTML query string
PushbuttonField button1 = new PushbuttonField(
stamper.Writer, new Rectangle(90, 660, 140, 690), "post"
);
button1.Text = "POST";
button1.BackgroundColor = new GrayColor(0.7f);
button1.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit1 = button1.Field;
string submit_url = new Uri(
new Uri(BaseUrl),
string.Format(
"/iTextInAction2Ed/WebHandler.ashx?{0}=Chapter09&{1}=ShowData",
Chapters.QS_CHAPTER, Chapters.QS_CLASS
)
).ToString();
submit1.Action = PdfAction.CreateSubmitForm(
submit_url, null,
PdfAction.SUBMIT_HTML_FORMAT | PdfAction.SUBMIT_COORDINATES
);
// add the button
stamper.AddAnnotation(submit1, 1);
// create a submit button that posts the form as FDF
PushbuttonField button2 = new PushbuttonField(
stamper.Writer, new Rectangle(200, 660, 250, 690), "FDF"
);
button2.BackgroundColor = new GrayColor(0.7f);
button2.Text = "FDF";
button2.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit2 = button2.Field;
submit2.Action = PdfAction.CreateSubmitForm(
submit_url, null, PdfAction.SUBMIT_EXCL_F_KEY
);
// add the button
stamper.AddAnnotation(submit2, 1);
// create a submit button that posts the form as XFDF
PushbuttonField button3 = new PushbuttonField(
stamper.Writer, new Rectangle(310, 660, 360, 690), "XFDF"
);
button3.BackgroundColor = new GrayColor(0.7f);
button3.Text = "XFDF";
button3.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit3 = button3.Field;
submit3.Action = PdfAction.CreateSubmitForm(
submit_url, null, PdfAction.SUBMIT_XFDF
);
// add the button
stamper.AddAnnotation(submit3, 1);
// create a reset button
PushbuttonField button4 = new PushbuttonField(
stamper.Writer, new Rectangle(420, 660, 470, 690), "reset"
);
button4.BackgroundColor = new GrayColor(0.7f);
button4.Text = "RESET";
button4.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField reset = button4.Field;
reset.Action = PdfAction.CreateResetForm(null, 0);
// add the button
stamper.AddAnnotation(reset, 1);
}
}
// ---------------------------------------------------------------------------
/**
* Creates a PDF document.
*/
public byte[] CreatePdf()
{
using (MemoryStream ms = new MemoryStream()) {
using (Document document = new Document()) {
PdfWriter writer = PdfWriter.GetInstance(document, ms);
document.Open();
PdfFormField personal = PdfFormField.CreateEmpty(writer);
personal.FieldName = "personal";
PdfPTable table = new PdfPTable(3);
PdfPCell cell;
table.AddCell("Your name:");
cell = new PdfPCell();
cell.Colspan = 2;
TextField field = new TextField(writer, new Rectangle(0, 0), "name");
field.FontSize = 12;
cell.CellEvent = new ChildFieldEvent(
personal, field.GetTextField(), 1
);
table.AddCell(cell);
table.AddCell("Login:"******"loginname");
field.FontSize = 12;
cell.CellEvent = new ChildFieldEvent(
personal, field.GetTextField(), 1
);
table.AddCell(cell);
cell = new PdfPCell();
field = new TextField(writer, new Rectangle(0, 0), "password");
field.Options = TextField.PASSWORD;
field.FontSize = 12;
cell.CellEvent = new ChildFieldEvent(
personal, field.GetTextField(), 1
);
table.AddCell(cell);
table.AddCell("Your motivation:");
cell = new PdfPCell();
cell.Colspan = 2;
cell.FixedHeight = 60;
field = new TextField(writer, new Rectangle(0, 0), "reason");
field.Options = TextField.MULTILINE;
field.FontSize = 12;
cell.CellEvent = new ChildFieldEvent(
personal, field.GetTextField(), 1
);
table.AddCell(cell);
document.Add(table);
writer.AddAnnotation(personal);
PushbuttonField button1 = new PushbuttonField(
writer, new Rectangle(90, 660, 140, 690), "post");
button1.Text = "POST";
button1.BackgroundColor = new GrayColor(0.7f);
button1.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit1 = button1.Field;
submit1.Action = PdfAction.CreateSubmitForm(
"/book/request", null,
PdfAction.SUBMIT_HTML_FORMAT | PdfAction.SUBMIT_COORDINATES
);
writer.AddAnnotation(submit1);
}
return(ms.ToArray());
}
}
