[Seaside] DocumentHandler

[Annick Fron]

Hi Esteban,

	This is the solution that I will use, thank you all for your answers !

	For your records, I just use the cairo library to draw the PDF.

	By the way, is anybody using the Bootstrap library with seaside ?

	Annick
	

> Le 2 juin 2020 à 13:47, Esteban Maringolo <emaringolo at gmail.com> a écrit :
> 
> If instead of setting a callback on an anchor, you set a document, it
> will be treated slightly different.
> 
> E.g.
> 
> You can do something like:
> 
> html anchor
>  document: documentContents mimeType:  ( Seaside.WAMimeType main:
> 'application' sub: 'pdf' ) fileName: 'YourFile.pdf';
>  with: 'Download PDF'
> 
> This will be handled differently to a regular action continuation of a
> callback and will trigger the download immediately, also the document
> will be returned as a response to never expire.
> 
> In some cases you want to use `document:` and in others it could be
> more flexible to use a regular `respond:` from the
> WACurrentRequestContext (e.g. if the decision on the file format or
> other things are deep down in the logic, away from the anchor).
> 
> E.g.
> 
> WACurrentRequestContext value respond: [:response |
>  response
>    attachmentWithFileName: self exportedFilename , '.pdf';
>    doNotCache;
>    contentType: ( Seaside.WAMimeType main: 'application' sub: 'pdf' );
>    binary;
>    nextPutAll: pdfContents;
>    respond
> ]
> 
> Or directly pass an instance of WAMimeDocument to the response.
> 
> WACurrentRequestContext value respond: [:response |
>  response document: aWAMimeDocument
> ]
> 
> Best regards,
> 
> Esteban A. Maringolo
> 
> On Tue, Jun 2, 2020 at 6:20 AM Annick Fron <list at afceurope.com> wrote:
>> 
>> Hi, I would like to serve a custom dynamically generated PDF file, what is the best option ? Use a DocumentHandler ?
>> If yes how ?
>> 
>> Annick
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