Flowdock
file_field(object_name, method, options = {}) public

Returns a file upload input tag tailored for accessing a specified attribute (identified by method) on an object assigned to the template (identified by object). Additional options on the input tag can be passed as a hash with options. These options will be tagged onto the HTML as an HTML element attribute as in the example shown.

Using this method inside a form_for block will set the enclosing form’s encoding to multipart/form-data.

Examples

file_field(:user, :avatar)
# => <input type="file" id="user_avatar" name="user[avatar]" />

file_field(:post, :attached, :accept => 'text/html')
# => <input type="file" id="post_attached" name="post[attached]" />

file_field(:attachment, :file, :class => 'file_input')
# => <input type="file" id="attachment_file" name="attachment[file]" class="file_input" />
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