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From "Amit Maheshwari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-4323) Not able to determine the page (page number) of the some form fields
Date Wed, 26 Sep 2018 03:56:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-4323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16628228#comment-16628228
] 

Amit Maheshwari commented on PDFBOX-4323:
-----------------------------------------

Hello [~tilman]

I'm sorry but I could not understood your comment fully. Can you explain me it for my better
understanding.

 

1:

When you say for the code,
{code:java}
int pageNo = doc.getPages().indexOf(widget.getPage());
if (pageNo < 0)
{
    System.out.println(field.getFullyQualifiedName());
}
{code}
 you got many results, but you could not find them on pages. what does that mean?

 

2:
doc.getPages()
This gives me 5 pages. And as you said, yes, this pdf adds pages (or templates) as needed.
But when you say, "And it turned out that all pages < 0 are templates.".

But I can get the index of the page of widget of first three pages from this line
{code:java}
doc.getPages().indexOf(widget.getPage());{code}
but not for those widget which are on 4th and 5th pages.

 

How come page 1,2, and 3 behave normal and having problem with just page 4, and 5.

 

 

 

 

> Not able to determine the page (page number) of the some form fields
> --------------------------------------------------------------------
>
>                 Key: PDFBOX-4323
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4323
>             Project: PDFBox
>          Issue Type: Bug
>          Components: AcroForm, PDModel
>    Affects Versions: 2.0.2
>            Reporter: Amit Maheshwari
>            Priority: Major
>         Attachments: fda-form-356h-Scrubbed.pdf
>
>
> I am not able to decide the page number of some form fields (specially of page 4, 5 of
attached pdf).
> How I'm trying to get page number:
>  # First I get list of all pages (as in 'PDPageTree') of pdf using 'pdDocumentCatalog.GetPages()'
>  # Then I get 'PDAcroForm' for the same pdf using 'getAcroForm()' method
>  # Then I get list of all Fields (as in 'PDFieldTree') from previously got AcroForm
> I use all these information in following code to get Page Number:
>   
> {code:java}
>   var widgets = field.getWidgets();
>   var widget = (widgets.toArray()[0] as PDAnnotationWidget);
>   if (widget != null)
>   {
>         int pageNo = pages.indexOf(widget.getPage());  
>   }
> {code}
>  
>  
> There is no error, just I am getting pageNo = -1 (as list doesn't contain such page)
> But for some fields, list of pages doesn't contain the page which I get from 'widget.getPage()' 
>  
> Let me know if some more clarification required.



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