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Version: 3.xx.xx

useModalForm

useModalForm hook allows you to manage a form within a modal. It provides some useful methods to handle the form modal.

INFORMATION

useModalForm hook is extended from useForm from the @pankod/refine-react-hook-form package. This means that you can use all the features of useForm hook.

Basic Usage​

We'll show three examples, "create", "edit" and "clone". Let's see how useModalForm is used in all.

localhost:3000/posts
Live previews only work with the latest documentation.
import React from "react";
import { HttpError, useTable } from "@pankod/refine-core";
import { useModalForm } from "@pankod/refine-react-hook-form";

import { Modal, PostsTable } from "@components";

const PostList = () => {
  const { tableQueryResult } = useTable<IPost>({
    initialSorter: [
      {
        field: "id",
        order: "desc",
      },
    ],
  });

  const {
    formState: { errors },
    refineCore: { onFinish, formLoading },
    modal: { visible, close, show },
    register,
    handleSubmit,
    saveButtonProps,
  } = useModalForm<IPost, HttpError, IPost>({
    refineCoreProps: { action: "create" },
  });

  const loading = tableQueryResult?.isLoading;

  if (loading) {
    return <div>Loading...</div>;
  }

  return (
    <div>
      <Modal isOpen={visible} onClose={close}>
        <form className="form" onSubmit={handleSubmit(onFinish)}>
          <div className="form-group">
            <label>Title: </label>
            <input
              {...register("title", {
                required: "This field is required",
              })}
            />
            {errors.title && <span>{errors.title.message}</span>}
          </div>
          <div className="form-group">
            <label>Status: </label>
            <select {...register("status")}>
              <option value="published">published</option>
              <option value="draft">draft</option>
              <option value="rejected">rejected</option>
            </select>
          </div>
          <button type="submit" {...saveButtonProps}>
            {formLoading ? "Loading" : "Save"}
          </button>
        </form>
      </Modal>
      <button onClick={() => show()}>Create Post</button>
      <table>
        <thead>
          <tr>
            <th>ID</th>
            <th>Title</th>
            <th>Status</th>
          </tr>
        </thead>
        <tbody>
          {tableQueryResult.data?.data.map((post) => (
            <tr key={post.id}>
              <td>{post.id}</td>
              <td>{post.title}</td>
              <td>{post.status}</td>
            </tr>
          ))}
        </tbody>
      </table>
    </div>
  );
};

export interface IPost {
  id: number;
  title: string;
  status: "published" | "draft" | "rejected";
}
See Modal component
src/components/Modal/index.tsx
type ModalPropsType = {
  isOpen: boolean;
  onClose: () => void;
  children: React.ReactNode;
};

const Modal: React.FC<ModalPropsType> = ({ isOpen, onClose, children }) => {
  if (!isOpen) return null;
  return (
    <>
      <div className="overlay" onClick={onClose}></div>
      <div className="modal">
        <div className="modal-title">
          <button className="close-button" onClick={onClose}>
            &times;
          </button>
        </div>
        <div className="modal-content">{children}</div>
      </div>
    </>
  );
};
See styles
src/styles.css
* {
  box-sizing: border-box;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1000;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  z-index: 1000;
  width: 500px;
  overflow-y: auto;
}

.modal .modal-title {
  display: flex;
  justify-content: flex-end;
  padding: 4px;
}

.modal .modal-content {
  padding: 0px 16px 16px 16px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form .form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form input,
select,
textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

Properties​

TIP

All useForm props also available in useModalForm. You can find descriptions on useForm docs.

All React Hook Form useForm props also available in useModalForm. You can find descriptions on React Hook Form docs.

defaultValues​

Only available in "create" form.

Default values for the form. Use this to pre-populate the form with data that needs to be displayed.

const modalForm = useModalForm({
  defaultValues: {
    title: "Hello World",
  },
});

defaultVisible​

Default: false

When true, modal will be visible by default.

const modalForm = useModalForm({
  modalProps: {
    defaultVisible: true,
  },
});

autoSubmitClose​

Default: true

When true, modal will be closed after successful submit.

const modalForm = useModalForm({
  modalProps: {
    autoSubmitClose: false,
  },
});

autoResetForm​

Default: true

When true, form will be reset after successful submit.

const modalForm = useModalForm({
  modalProps: {
    autoResetForm: false,
  },
});

warnWhenUnsavedChanges​

Default: false

When you have unsaved changes and try to leave the current page, refine shows a confirmation modal box. To activate this feature.

You can also set this value in <Refine> component.

const modalForm = useModalForm({
  warnWhenUnsavedChanges: true,
});

Return Values​

TIP

All useForm return values also available in useModalForm. You can find descriptions on useForm docs.

All React Hook Form useForm return values also available in useModalForm. You can find descriptions on useForm docs.

visible​

Current visibility state of the modal.

const modalForm = useModalForm({
  defaultVisible: true,
});

console.log(modalForm.modal.visible); // true

title​

Title of the modal. Based on resource and action values

const {
  modal: { title },
} = useModalForm({
  refineCoreProps: {
    resource: "posts",
    action: "create",
  },
});

console.log(title); // "Create Post"

close​

A function that can close the modal. It's useful when you want to close the modal manually.

const {
  getInputProps,
  handleSubmit,
  register,
  modal,
  refineCore: { onFinish },
} = useModalForm();

return (
  <>
    <button onClick={show}>Show Modal</button>
    <Modal {...modal}>
      <form onSubmit={handleSubmit(onFinish)}>
        <div>
          <label>Title: </label>
          <input {...register("title")} />
        </div>
        <div>
          <button type="submit" onClick={modal.close}>
            Cancel
          </button>
          <button type="submit" onClick={modal.submit}>
            Save
          </button>
        </div>
      </form>
    </Modal>
  </>
);

submit​

A function that can submit the form. It's useful when you want to submit the form manually.

const {
  getInputProps,
  handleSubmit,
  register,
  modal,
  refineCore: { onFinish },
} = useModalForm();

// ---

return (
  <>
    <button onClick={show}>Show Modal</button>
    <Modal {...modal}>
      <form onSubmit={handleSubmit(onFinish)}>
        <div>
          <label>Title: </label>
          <input {...register("title")} />
        </div>
        <div>
          <button type="submit" onClick={modal.submit}>
            Save
          </button>
        </div>
      </form>
    </Modal>
  </>
);

show​

A function that can show the modal.

const {
  saveButtonProps,
  handleSubmit,
  register,
  modal,
  refineCore: { onFinish, formLoading },
} = useModalForm();

return (
  <>
    <button onClick={show}>Show Modal</button>
    <Modal {...modal}>
      <form onSubmit={handleSubmit(onFinish)}>
        <div>
          <label>Title: </label>
          <input {...register("title")} />
        </div>
        <div>
          <button type="submit" {...saveButtonProps}>
            Save
          </button>
        </div>
      </form>
    </Modal>
  </>
);

saveButtonProps​

It contains all the props needed by the "submit" button within the modal (disabled,loading etc.). You can manually pass these props to your custom button.

const {
  saveButtonProps,
  handleSubmit,
  register,
  modal,
  refineCore: { onFinish, formLoading },
} = useModalForm();

return (
  <>
    <button onClick={show}>Show Modal</button>
    <Modal {...modal}>
      <form onSubmit={handleSubmit(onFinish)}>
        <div>
          <label>Title: </label>
          <input {...register("title")} />
        </div>
        <div>
          <button
            type="submit"
            disabled={saveButtonProps.disabled}
            onClick={(e) => {
              // -- your custom logic
              saveButtonProps.onClick(e);
            }}
          >
            Save
          </button>
        </div>
      </form>
    </Modal>
  </>
);

API Reference​

Properties​

*: These properties have default values in RefineContext and can also be set on the <Refine> component.

External Props

It also accepts all props of useForm hook available in the React Hook Form.

Return values​

PropertyDescriptionType
modalRelevant states and methods to control the modalModalReturnValues
refineCoreThe return values of the useForm in the coreUseFormReturnValues
React Hook Form Return ValuesSee React Hook Form documentation

  • ModalReturnValues​

PropertyDescriptionType
visibleState of modal visibilityboolean
showSets the visible state to true(id?: BaseKey) => void
closeSets the visible state to false() => void
submitSubmits the form(values: TVariables) => void
titleModal title based on resource and action valuestring
saveButtonPropsProps for a submit button{ disabled: boolean, onClick: (e: React.BaseSyntheticEvent) => void; }

Example​

View Source Code
Run on your local
npm create refine-app@latest -- --example form-react-hook-form-use-modal-form
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