Is there a Relationship selector for Refine
I want to use a Relationship selector like M2M dropdown mit a multi select or One To Many / Many To One with a single select.
11 Replies
Hi @justin99b. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:
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In Refine, you can use the
useSelect
hook to handle relationships between resources. This hook fetches the data by passing the params to the dataProvider
's getList
method and then returns the options
to be used in the select component.
Here's an example of how you can use the useSelect
hook to fetch categories and use them as options in a select dropdown:
This will fetch the categories and provide them as options for the select dropdown. The user can then select a category when creating or editing a post.
If you want to use a multi-select dropdown, you can use the mode
prop of Ant Design's Select
component and set it to 'multiple'
. Here's an example:
For more information, you can refer to the useSelect
documentation (https://refine.dev/docs/api-reference/core/hooks/useSelect/).
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stormy-goldOP•14mo ago
@kapa.ai how do you use that inside a useForm.
Let me check the knowledge base for you. One moment! :books:
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You can use the
useSelect
hook inside a useForm
hook in Refine. Here's an example of how you can do this:
In this example, the useSelect
hook is used to fetch the categories and provide them as options for the select dropdown in the form. The useForm
hook is used to handle the form submission. The register
function from useForm
is used to register the select input for validation and submission.
For more detailed information, you can refer to the useForm documentation (https://refine.dev/docs/packages/documentation/react-hook-form/useForm/) and the useSelect documentation (https://refine.dev/docs/api-reference/core/hooks/useSelect/).
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stormy-goldOP•14mo ago
@kapa.ai istn there a better way to do this? like predefined components or someting that just does that for me?
Let me check the knowledge base for you. One moment! :books:
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Refine provides a set of predefined components that you can use to handle relationships between resources. However, based on the information provided in the extracts, the
useSelect
hook is the primary method for handling such relationships.
If you're looking for a more automated way to generate forms, Refine's Inferencer might be of interest. The Inferencer can automatically generate create/edit forms based on your data. If it doesn't work as expected, you can manually modify the inferred fields using the fieldTransformer
function. More information about this can be found in the Modifying the inferred fields (https://refine.dev/docs/packages/documentation/inferencer#modifying-the-inferred-fields) section of the documentation.
However, please note that the Inferencer relies on the data returned by the dataProvider
to generate the CRUD pages. If you don't have data for those resources yet, you might need to manually create your resources and establish the proper relationships before running the Inferencer.
If you find that the Inferencer doesn't meet your needs, you might consider manually creating your CRUD pages. This would give you more control over the design and functionality of the pages. You can refer to the Generating CRUD pages automatically with Inferencer (https://refine.dev/docs/tutorial/getting-started/headless/generate-crud-pages) for more details.
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stormy-goldOP•14mo ago
@kapa.ai so there is no easy way to build a form to edit a resource with relations?
Let me check the knowledge base for you. One moment! :books:
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Refine does provide a way to build forms to edit a resource with relations using the
Select
component from Ant Design and the useSelect
hook from Refine. However, it requires some manual setup to fetch the related resources and provide them as options in the select dropdown.
Here's an example of how you can do this:
In this example, the useSelect
hook is used to fetch the categories and provide them as options for the select dropdown in the form. The useForm
hook is used to handle the form submission.
For more detailed information, you can refer to the useForm documentation (https://refine.dev/docs/packages/documentation/react-hook-form/useForm/) and the useSelect documentation (https://refine.dev/docs/api-reference/core/hooks/useSelect/).
----------------------
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