Dynamically change logo on form

[MANISH]

Hi Alex - I have an API which returns logo/images based on the request parameter. How do I place this logo on the form?

For ex ; If you pass a code 5012 - > it returns a cat image

                                   code 5013 - > it returns a dog image and so on....

how do I place an image on the form returned by this rest api?

Thanks

[Alessandro Vernet]

Hi Manish,

Quick question: does the API return the actual image, or an URL to the image
(e.g. in the body of a JSON or XML response)?

‑Alex

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[Alessandro Vernet]

Also, where does the code come from (request parameter, field value,
somewhere else…)?

[MANISH B]

Code come from a request parameter and an actual image is returned

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[Alessandro Vernet]

Hi Manish,

Got it, so try the following:

1. Insert a Calculated Value control where you want the image to show. Have
it calculated as something like `concat(' <https://server/image-',
encode-for-uri(xxf:get-request-parameter('code')), '.png> ')`. Note the use
of `encode-for-uri()` to avoid XSS.
2. Check that when you run the form, the markup for the image shows
correctly.
3. Edit the source of the form to add on the `<xf:output>` that corresponds
to your control an attribute `mediatype="text/html"`.

You'll let me know if this works for you.

[Alessandro Vernet]

Hi Manish, did you get a change to try adding a `mediatype="text/html"` on
`<xf:output>`? Is so, did it work for you?