useStepsForm
useStepsForm allows you to manage a form with multiple steps. It provides features such as which step is currently active, the ability to go to a specific step and validation when changing steps etc.
useStepsForm hook is extended from useForm from the @pankod/refine-mantine package. This means that you can use all the functionalities of useForm in your useStepsForm.
Basic Usage
We'll show two examples, one for creating and one for editing a post. Let's see how useStepsForm is used in both.
- create
- edit
Here is the final result of the form: We will explain the code in following sections.
http://localhost:3000/posts/createHere is the final result of the form: We will explain the code in following sections.
http://localhost:3000/posts/edit/123In this example we're going to build a Post "create" form. To creating a multi-step form, we will use <Stepper/> component from Mantine. To handle the state of both the form and the steps, we will use useStepsForm hook.
To show your form inputs step by step, first import and use useStepsForm hook in your page:
import React from "react";
import { HttpError } from "@pankod/refine-core";
import { Create } from "@pankod/refine-mantine";
type FormValues = Omit<IPost, "id">;
const PostCreatePage: React.FC = () => {
const {
saveButtonProps,
getInputProps,
values,
steps: { currentStep, gotoStep },
} = useStepsForm<IPost, HttpError, FormValues>({
initialValues: {
title: "",
status: "",
slug: "",
content: "",
},
validate: (values) => {
if (currentStep === 0) {
return {
title: values.title ? null : "Title is required",
slug: values.slug ? null : "Slug is required",
};
}
if (currentStep === 1) {
return {
status: values.status ? null : "Status is required",
};
}
return {};
},
});
return <Create>create page</Create>;
};
useStepsForm is generic over the type form data to help you type check your code.
This hook returns a set of useful values to render <Stepper/>. Given current value, you should have a way to render your form items conditionally with this index value.
Here, we're going to use a <Stepper/> component to render the form items based on the currentStep and we added <Button> to footer with gotoStep function to navigate between steps.
import React from "react";
import { HttpError } from "@pankod/refine-core";
import { Create } from "@pankod/refine-mantine";
type FormValues = Omit<IPost, "id">;
const PostCreatePage: React.FC = () => {
const {
saveButtonProps,
getInputProps,
values,
steps: { currentStep, gotoStep },
} = useStepsForm<IPost, HttpError, FormValues>({
initialValues: {
title: "",
status: "",
slug: "",
content: "",
},
validate: (values) => {
if (currentStep === 0) {
return {
title: values.title ? null : "Title is required",
slug: values.slug ? null : "Slug is required",
};
}
if (currentStep === 1) {
return {
status: values.status ? null : "Status is required",
};
}
return {};
},
});
return (
<Create
footerButtons={
<Group position="right" mt="xl">
{currentStep !== 0 && (
<Button
variant="default"
onClick={() => gotoStep(currentStep - 1)}
>
Back
</Button>
)}
{currentStep !== 3 && (
<Button onClick={() => gotoStep(currentStep + 1)}>
Next step
</Button>
)}
{currentStep === 2 && <SaveButton {...saveButtonProps} />}
</Group>
}
>
<Stepper
active={currentStep}
onStepClick={gotoStep}
breakpoint="xs"
>
<Stepper.Step
label="First Step"
description="Title and Slug"
allowStepSelect={currentStep > 0}
>
<TextInput
mt="md"
label="Title"
placeholder="Title"
{...getInputProps("title")}
/>
<TextInput
mt="md"
label="Slug"
placeholder="Slug"
{...getInputProps("slug")}
/>
</Stepper.Step>
<Stepper.Step
label="Second Step"
description="Status"
allowStepSelect={currentStep > 1}
>
<Select
mt="md"
label="Status"
placeholder="Pick one"
{...getInputProps("status")}
data={[
{ label: "Published", value: "published" },
{ label: "Draft", value: "draft" },
{ label: "Rejected", value: "rejected" },
]}
/>
</Stepper.Step>
<Stepper.Step
label="Final Step"
description="Content"
allowStepSelect={currentStep > 2}
>
<Textarea
label="Content"
placeholder="Content"
{...getInputProps("content")}
/>
</Stepper.Step>
<Stepper.Completed>
Completed! Form values:
<Space />
<Code mt="xl">{JSON.stringify(values, null, 2)}</Code>
</Stepper.Completed>
</Stepper>
</Create>
);
};
Properties
refineCoreProps
All useForm properties also available in useStepsForm. You can find descriptions on useForm docs.
const stepsForm = useStepsForm({
refineCoreProps: {
action: "edit",
resource: "posts",
id: "1",
},
});
stepsProps
defaultStep
Default:
0
Sets the default starting step number. Counting starts from 0.
const stepsForm = useStepsForm({
stepsProps: {
defaultStep: 0,
},
});
isBackValidate
Default:
false
When is true, validates a form fields when the user navigates to a previous step.
const stepsForm = useStepsForm({
stepsProps: {
isBackValidate: true,
},
});
Return Values
steps
The props needed by the <Stepper> component.
currenStep
Current step, counting from 0.
gotoStep
Is a function that allows you to programmatically change the current step of a form. It takes in one argument, step, which is a number representing the index of the step you want to navigate to.
API Reference
Properties
Return values
| Property | Description | Type |
|---|---|---|
| steps | Relevant state and method to control the steps | StepsReturnValues |
| refineCore | The return values of the useForm in the core | UseFormReturnValues |
@mantine/form's useForm return values | See useForm documentation |
Example
npm create refine-app@latest -- --example form-mantine-use-steps-form