ITEXTSHARP ADD JAVASCRIPT TO EXISTING PDF

There is an excessive amount of new line after parameter delimiter(,) and assignment operator(=). At the same time, there is no new line. hi!! i have a servlet that load a pdf file with a form. then the client insert the value for each field in the form and then it must save the value in. DocumentException; import t .. stamper = new PdfStamper(reader, new FileOutputStream(RESULT)); // Add some javascript stamper.

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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. This is related to my unanswered question herebut the code has changed considerably since I asked that adf. If you are not familiar, PDFs support JavaScript to perform various tasks such as changing the content of documents, and scripts can be executed on various events such javascrjpt on printing or saving.

The text is the JavaScript itself, the field is an object with a string Title and four integers representing the coordinates of the field on the document, and the timing is an enum value used to determine when the script should be executed.

The method is long, but requires very little logic. It’s pretty much step-by-step instructions. I know I could split it into several smaller methods, but considering they only ever run in sequence, I don’t see the point of that.

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Is there any way I could actually make it better or shorter? When using two directly nested usingyou can write it as the following to reduce the level of indentation:.

The switch can be replaced by a dictionary to remove the boilerplate break s:. Although this code is always executed in existimg it is better to extract separate stuff to methods. This will help if you need to find a bug or if you are trying to refactor it.

JavaScript programming in PDF (iText 5)

In its current state that method is doing to much. It is constructing and adding the textfields annotations and is asigning the javascript functionality. The readability of that method should be improved by adding vertical spaces new lines. Using vertical space will help to group related code and makes it more structured.

By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Home Questions Tags Users Unanswered. The method to add exidting script to the PDF existjng as follows: PdfStamper pdfReader, new System. Writer, false, false, 0 ; parentField. AddKid childField ; childField. Michael Brandon Morris 7 At the same time, there is no new line between logical blocks of the method.

insert Javascript to pdf with Itext (Open Source Projects forum at Coderanch)

Together, it makes the code difficult to read when glancing over. When using two directly nested usingyou can write it as the following to reduce the level of indentation: Writer, new Rectangle script.

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Xiaoy 2, 9 My reason for breaking the lines is to keep the lines of code at 80 characters or less. It may look shorter in my post, but that is because the namespace nesting adds an additional indentation level, which I remove to post the code here. Additionally, I was avoiding using namespace to prevent complications. Several of the namespaces I am using share class names, and so I already had to fully specify a few. Is this also not true for C: MichaelBrandonMorris It is also true for Chowever, you can always alias namespace or class separately to avoid complication like ambiguous name: GetOverContent pageNumber ; is never used so you should get rid of it.

Add JavaScript to a PDF Document with iTextSharp – The Endless Obsession

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