File input
Create file upload inputs in your forms.
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Create file upload inputs in your forms.
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Use the fileInput() function to create file upload inputs in your forms. It uses the HTML <input type="file"> element which allows users to upload files from their device.
Generates the following Markdown-like syntax:
Add the required parameter to make the field mandatory:
Generates the following Markdown-like syntax:
The following is the overview of the function:
name
string
A unique name for your form field that you'll use to identify the user's response.*
params
object
These parameters are common to all form fields:
question (required)
string
The main question or label of the form field.
required
true (boolean)
When set, the field becomes required.
description
string
Any extra information that the user may need to fill out the form. Appears right below the question.
fieldSize
"sm"
When set to "sm", the font sizes of the question, description, and answer are made smaller.
labelStyle
"classic"
When set to "classic", the question and description of the form field are made smaller.
subfield
true (boolean)
When set, the question and description of the form field are made smaller. Functionally the same as setting labelStyle to "classic".
disabled
true (boolean)
When set, the input is disabled.
autofocus
true (boolean)
When set, the input will be automatically focused when the parent slide becomes active, or immediately after page load.
id
string
The id attribute of the form field container.
classNames
string[]
attrs
Array<{ name: string, value: string }>
Other HTML attributes of the form field. Each attribute has a name and value property.
displayCondition
{ dependencies: string[], condition: string }
sizeLimit
number
Maximum file size in MB. Defaults to 10. Client-side check only, make sure to also validate on the server.
imageOnly
true
When set, only image files are accepted. Client-side check only, make sure to also validate on the server.
currentFile
string
The current file that exists in the database. Use a URL for best results, for example, "https://example.s3.com/image.png".
Generates the following Markdown-like syntax:
Generates the following Markdown-like syntax:
Generates the following Markdown-like syntax:
Add CSS classes and other HTML attributes using the classNames and attrs parameters. Please note, these class names and attributes are added to the <div> or <fieldset> container that contains the actual input field(s).
Generates the following Markdown-like syntax:
Conditionally show or hide a file input field using the displayCondition parameter. It works as follows:
dependencies lists the fields to watch.
For instance, in the example below, the document upload field will only show up if the user indicates they have additional documents.
Generates the following Markdown-like syntax:
An object containing all the configuration parameters for your file input field (see the below for the full list of options).
*Avoid values for the name argument which may be the names of HTML attributes, such as "name", "role", "id", etc. This is because by default, the form's template string is first sanitized using , and these values may be removed to prevent DOM clobbering.
The CSS class names of the form field. .
Controls when the field is shown. The dependencies lists the fields to watch, and condition is the expression that must be true to show the field. The condition must be a valid expression. .
Please .
condition is the expression that must be true to show the field. This must be a valid expression.
