56 lines
2.0 KiB
TypeScript
56 lines
2.0 KiB
TypeScript
import { FormControl, InputLabel, Select, MenuItem } from '@mui/material';
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import { getFieldOptions } from '../../utils/options';
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import { FieldComponentProps } from '../../types/overrides';
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export default function RelationField({ field, value, onChange, disabled, relationDataMap = {} }: FieldComponentProps) {
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const relationName = field.relation ?? (field as any).refers;
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if (!relationName || !relationDataMap[relationName]) {
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throw new Error(`Relation data for "${relationName}" is missing – cannot render options for field "${field.label}"`);
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}
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const relationData = relationDataMap[relationName];
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const isArrayRelation = field.type === 'array';
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const options = getFieldOptions(field, relationData);
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if (options.length === 0) {
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throw new Error(`No selectable options available for field "${field.label}" (relation "${relationName}")`);
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}
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const keyField = field.enumOption?.key ?? 'id';
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const normalizedValue = (() => {
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if (isArrayRelation && Array.isArray(value)) {
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return value.map((v: any) => (v != null && typeof v === 'object' ? String(v[keyField] ?? '') : String(v)));
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}
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if (value != null && typeof value === 'object') {
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return String(value[keyField] ?? '');
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}
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return value ?? (isArrayRelation ? [] : "");
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})();
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return (
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<FormControl fullWidth>
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<InputLabel shrink>{field.label}</InputLabel>
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<Select
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multiple={isArrayRelation}
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value={normalizedValue}
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label={field.label}
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displayEmpty
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onChange={(e) => onChange(e.target.value)}
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disabled={disabled}
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renderValue={(selected: any) => {
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if (isArrayRelation) {
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return (selected as string[]).map(k => options.find(o => o.key === k)?.value ?? k).join(', ');
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}
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return options.find(o => o.key === selected)?.value ?? selected;
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}}
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>
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{options.map((opt) => (
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<MenuItem key={opt.key} value={opt.key}>
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{opt.value}
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</MenuItem>
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))}
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</Select>
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</FormControl>
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);
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}
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