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import { Fragment, VNode, h } from "preact";
import { FormProvider, FormProviderProps, FormState } from "./FormProvider.js";
import { RenderAllFieldsByUiConfig, UIFormField } from "./forms.js";
import { TranslatedString } from "@gnu-taler/taler-util";
/**
* Flexible form uses a DoubleColumForm for design
* and may have a dynamic properties defined by
* behavior function.
*/
export interface FlexibleForm<T extends object> {
design: DoubleColumnForm;
behavior?: (form: Partial<T>) => FormState<T>;
}
/**
* Double column form
*
* Form with sections, every sections have a title and may
* have a description.
* Every sections contain a set of fields.
*/
export type DoubleColumnForm = Array<DoubleColumnFormSection | undefined>;
export type DoubleColumnFormSection = {
title: TranslatedString;
description?: TranslatedString;
fields: UIFormField[];
};
/**
* Form Provider implementation that use FlexibleForm
* to defined behavior and fields.
*/
export function DefaultForm<T extends object>({
initial,
onUpdate,
form,
onSubmit,
children,
readOnly,
}: Omit<FormProviderProps<T>, "computeFormState"> & { form: FlexibleForm<T> }): VNode {
return (
<FormProvider
initial={initial}
onUpdate={onUpdate}
onSubmit={onSubmit}
readOnly={readOnly}
computeFormState={form.behavior}
>
<div class="space-y-10 divide-y -mt-5 divide-gray-900/10">
{form.design.map((section, i) => {
if (!section) return <Fragment />;
return (
<div key={i} class="grid grid-cols-1 gap-x-8 gap-y-8 pt-5 md:grid-cols-3">
<div class="px-4 sm:px-0">
<h2 class="text-base font-semibold leading-7 text-gray-900">
{section.title}
</h2>
{section.description && (
<p class="mt-1 text-sm leading-6 text-gray-600">
{section.description}
</p>
)}
</div>
<div class="bg-white shadow-sm ring-1 ring-gray-900/5 rounded-md md:col-span-2">
<div class="p-3">
<div class="grid max-w-2xl grid-cols-1 gap-x-6 gap-y-8 sm:grid-cols-6">
<RenderAllFieldsByUiConfig
key={i}
fields={section.fields}
/>
</div>
</div>
</div>
</div>
);
})}
</div>
{children}
</FormProvider>
);
}
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