How to set a Laravel Nova field to display as readonly or protected?

Question

Within Laravel Nova (v1.0.3), there are several methods that grant fine-grained control of the visibility of a resource field (canSee, showOnDetail, etc.). I can't find any methods that control if a field is editable. How can I display a field, but prevent the user from being able to edit it (make it readonly)?

For example, I'd like to display the "Created At" field, but I don't want the user to be able to change it.

Answer 1

This capability was added in v1.1.4 (October 1, 2018).

• Allow setting any attribute on text and textarea fields

Example usage:

Text:: make('SomethingImportant')
    ->withMeta(['extraAttributes' => [
          'readonly' => true
    ]]),

Answer 2

July 2021, For Nova version 3.0, the readonly method can accept different types of arguments

Default:

Text::make('Email')->readonly()

Direct boolean:

Text::make('Email')->readonly(true/false)

Closure:

Text::make('Email')->readonly(function ($request) {
    return !$request->user()->isNiceDude();
}

Read more here https://nova.laravel.com/docs/3.0/resources/fields.html#readonly-fields

Answer 3

As of Nova >2.0 you can use the readonly method with a callback and checking for the resource:

Text::make("Read Only on Update")
    ->readonly(function() {
        return $this->resource->id ? true : false;
    }),

or even better:

Text::make("Read Only on Update")
    ->readonly(function() {
        return $this->resource->exists;
    }),

Answer 4

As of v2.0.1, readonly() is native and accepts a callback, closure or boolean and can simply be called as:

Text::make('Name')->readonly(true)

This may have been added prior to this version but the changelog does not specify if this is the case.

Nova v2.0 documentation