pdfnetjs , will it save annotations in offline mode

[Ashish Deshpande]

Hii 

In the documentations of pdfnetjs https://www.pdftron.com/pdfnet/pdfnetjs/ its mentioned that without server support it will work

but i saw the online running sample of pdfnet (annotations sample) http://pdftron.com/webviewer/pdfnetjs/samples.html?s=pdf

when i click the save annotation  button its refering to url http://pdftron.com/webviewer/pdfnetjs/lib/html5/annotationHandler.php?did=webviewer_developer_guide

so how it is not dependent on server

And what is the work of exportAnnotation() method in the annotation manager will it save annotations without internet ?

PFA to view the exact problem

Regards

Ashish

[Matt Parizeau]

Hi Ashish,

We provide annotationHandler.php as an example of saving the document's annotations to your server so that you could allow a user to access them across multiple sessions, but it's not necessary for viewing, interacting or even downloading the PDF with annotations. If you press the download button in the top right of the viewer the PDF will be downloaded with all the annotations and does not go through a server at all. Although it looks like the sample you're looking at is of a slightly older version see this link for one with a download button http://pdftron.com/webviewer/demo/samples/annotation/index.html?doctype=pdf.

AnnotationManager's exportAnnotations function just returns an XFDF string of the annotation data. So if you wanted to completely avoid a server for saving annotations you could always modify WebViewer to save and reload the data in the browser's localStorage or an IndexedDB database.

Matt Parizeau

Software Developer

PDFTron Systems Inc.

[Ashish Deshpande]

Thanks Matt

Actually i am very new with the WebViewer  am not able to modify the WebViewer  in such a way that it can save the annotations in the browser's local storage can you give some references of docs explaining how to do that