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Nested Forms Image Preview

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Rubioli edited this page Mar 22, 2016 · 1 revision

In documentation hasn't been specified how to preview/show images after upload. The solution is very easy.

From the form helper object, you should be able to access the model object:

<%= image_tag f.object.image_url(:thumb) %>

NB:

:thumb is the style of the uploaded image. You can specify which style you would like to preview.
image_url depends on how you named the attribute. In some cases it can also be image like: f.object.image(:thumb)