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feat(Form.useData): add data handler to get forms data outside of the…
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27 changes: 27 additions & 0 deletions
27
...ystem-portal/src/docs/uilib/extensions/forms/extended-features/Form/useData.mdx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| --- | ||
| title: 'useData' | ||
| description: '`useData` lets you access or modify your form data outside of the form context within your application' | ||
| componentType: 'advanced-api' | ||
| hideInMenu: true | ||
| showTabs: true | ||
| tabs: | ||
| - title: Info | ||
| key: '/info' | ||
| - title: Demos | ||
| key: '/demos' | ||
| breadcrumb: | ||
| - text: Forms | ||
| href: /uilib/extensions/forms/ | ||
| - text: Extended features | ||
| href: /uilib/extensions/forms/extended-features/ | ||
| - text: Form | ||
| href: /uilib/extensions/forms/extended-features/Form/ | ||
| - text: useData | ||
| href: /uilib/extensions/forms/extended-features/Form/useData/ | ||
| --- | ||
|
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| import Info from 'Docs/uilib/extensions/forms/extended-features/Form/useData/info' | ||
| import Demos from 'Docs/uilib/extensions/forms/extended-features/Form/useData/demos' | ||
|
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| <Info /> | ||
| <Demos /> |
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98
...system-portal/src/docs/uilib/extensions/forms/extended-features/Form/useData/Examples.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| import React from 'react' | ||
| import ComponentBox from '../../../../../../../shared/tags/ComponentBox' | ||
| import { Button, Flex } from '@dnb/eufemia/src' | ||
| import { Form, Field } from '@dnb/eufemia/src/extensions/forms' | ||
|
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| export function Default() { | ||
| return ( | ||
| <ComponentBox> | ||
| {() => { | ||
| const existingData = { foo: 'bar' } | ||
|
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| const Component = () => { | ||
| const { data } = Form.useData('default-id', existingData) | ||
|
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| return ( | ||
| <Form.Handler id="default-id"> | ||
| <Field.String path="/foo" label={data.foo} /> | ||
| </Form.Handler> | ||
| ) | ||
| } | ||
|
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| return <Component /> | ||
| }} | ||
| </ComponentBox> | ||
| ) | ||
| } | ||
|
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| export function Update() { | ||
| return ( | ||
| <ComponentBox> | ||
| {() => { | ||
| const existingData = { count: 1 } | ||
|
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| const Component = () => { | ||
| const { data, update } = Form.useData('update-id', existingData) | ||
|
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| const increment = React.useCallback(() => { | ||
| update('/count', (count) => { | ||
| return count + 1 | ||
| }) | ||
| }, [update]) | ||
|
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| return ( | ||
| <Form.Handler id="update-id"> | ||
| <Flex.Horizontal> | ||
| <Field.Number path="/count" showStepControls /> | ||
| <Form.SubmitButton | ||
| onClick={increment} | ||
| text={'Increment ' + data.count} | ||
| /> | ||
| </Flex.Horizontal> | ||
| </Form.Handler> | ||
| ) | ||
| } | ||
|
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| return <Component /> | ||
| }} | ||
| </ComponentBox> | ||
| ) | ||
| } | ||
|
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| export function WithoutFormHandler() { | ||
| return ( | ||
| <ComponentBox> | ||
| {() => { | ||
| const existingData = { count: 1 } | ||
|
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| const Component = () => { | ||
| const { data, update } = Form.useData( | ||
| 'idependent-id', | ||
| existingData, | ||
| ) | ||
|
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| const increment = React.useCallback(() => { | ||
| update('/count', (count) => { | ||
| return count + 1 | ||
| }) | ||
| }, [update]) | ||
|
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| return ( | ||
| <Button | ||
| on_click={increment} | ||
| text={'Increment ' + data.count} | ||
| variant="secondary" | ||
| /> | ||
| ) | ||
| } | ||
|
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| return ( | ||
| <Flex.Vertical> | ||
| <Component /> | ||
| <Component /> | ||
| </Flex.Vertical> | ||
| ) | ||
| }} | ||
| </ComponentBox> | ||
| ) | ||
| } |
21 changes: 21 additions & 0 deletions
21
...portal/src/docs/uilib/extensions/forms/extended-features/Form/useData/demos.mdx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| --- | ||
| showTabs: true | ||
| --- | ||
|
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| import * as Examples from './Examples' | ||
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| ## Demos | ||
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| ### Set data outside of the form | ||
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| <Examples.Default /> | ||
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| ### Update the data outside of the form | ||
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| The update function `update('/count', (count) => count + 1)` has TypeScript support and returns the correct type for `count` (number). | ||
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| <Examples.Update /> | ||
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| ### Shared state without a Form.Handler | ||
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| <Examples.WithoutFormHandler /> |
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