443 lines
14 KiB
Vue
443 lines
14 KiB
Vue
import type {
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PropType,
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ExtractPropTypes,
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ComputedRef,
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Ref,
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ComponentPublicInstance,
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HTMLAttributes,
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} from 'vue';
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import {
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watch,
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defineComponent,
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computed,
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nextTick,
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ref,
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watchEffect,
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onBeforeUnmount,
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toRaw,
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} from 'vue';
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import cloneDeep from 'lodash-es/cloneDeep';
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import PropTypes from '../_util/vue-types';
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import Row from '../grid/Row';
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import type { ColProps } from '../grid/Col';
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import { filterEmpty } from '../_util/props-util';
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import { validateRules as validateRulesUtil } from './utils/validateUtil';
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import { getNamePath } from './utils/valueUtil';
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import { toArray } from './utils/typeUtil';
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import { warning } from '../vc-util/warning';
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import find from 'lodash-es/find';
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import { tuple } from '../_util/type';
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import type { InternalNamePath, Rule, RuleError, RuleObject, ValidateOptions } from './interface';
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import useConfigInject from '../_util/hooks/useConfigInject';
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import { useInjectForm } from './context';
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import FormItemLabel from './FormItemLabel';
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import FormItemInput from './FormItemInput';
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import type { ValidationRule } from './Form';
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import { useProvideFormItemContext } from './FormItemContext';
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import useDebounce from './utils/useDebounce';
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const ValidateStatuses = tuple('success', 'warning', 'error', 'validating', '');
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export type ValidateStatus = typeof ValidateStatuses[number];
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export interface FieldExpose {
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fieldValue: Ref<any>;
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fieldId: ComputedRef<any>;
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fieldName: ComputedRef<any>;
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resetField: () => void;
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clearValidate: () => void;
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namePath: ComputedRef<InternalNamePath>;
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rules?: ComputedRef<ValidationRule[]>;
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validateRules: (options: ValidateOptions) => Promise<void> | Promise<RuleError[]>;
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}
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function getPropByPath(obj: any, namePathList: any, strict?: boolean) {
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let tempObj = obj;
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const keyArr = namePathList;
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let i = 0;
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try {
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for (let len = keyArr.length; i < len - 1; ++i) {
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if (!tempObj && !strict) break;
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const key = keyArr[i];
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if (key in tempObj) {
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tempObj = tempObj[key];
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} else {
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if (strict) {
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throw Error('please transfer a valid name path to form item!');
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}
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break;
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}
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}
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if (strict && !tempObj) {
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throw Error('please transfer a valid name path to form item!');
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}
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} catch (error) {
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console.error('please transfer a valid name path to form item!');
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}
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return {
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o: tempObj,
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k: keyArr[i],
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v: tempObj ? tempObj[keyArr[i]] : undefined,
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};
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}
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export const formItemProps = () => ({
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htmlFor: String,
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prefixCls: String,
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label: PropTypes.any,
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help: PropTypes.any,
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extra: PropTypes.any,
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labelCol: { type: Object as PropType<ColProps & HTMLAttributes> },
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wrapperCol: { type: Object as PropType<ColProps & HTMLAttributes> },
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hasFeedback: { type: Boolean, default: false },
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colon: { type: Boolean, default: undefined },
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labelAlign: PropTypes.oneOf(tuple('left', 'right')),
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prop: { type: [String, Number, Array] as PropType<string | number | Array<string | number>> },
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name: { type: [String, Number, Array] as PropType<string | number | Array<string | number>> },
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rules: [Array, Object] as PropType<Rule[] | Rule>,
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autoLink: { type: Boolean, default: true },
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required: { type: Boolean, default: undefined },
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validateFirst: { type: Boolean, default: undefined },
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validateStatus: PropTypes.oneOf(tuple('', 'success', 'warning', 'error', 'validating')),
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validateTrigger: { type: [String, Array] as PropType<string | string[]> },
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messageVariables: { type: Object as PropType<Record<string, string>> },
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hidden: Boolean,
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noStyle: Boolean,
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});
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export type FormItemProps = Partial<ExtractPropTypes<ReturnType<typeof formItemProps>>>;
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export type FormItemExpose = {
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onFieldBlur: () => void;
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onFieldChange: () => void;
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clearValidate: () => void;
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resetField: () => void;
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};
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export type FormItemInstance = ComponentPublicInstance<FormItemProps, FormItemExpose>;
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let indexGuid = 0;
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// default form item id prefix.
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const defaultItemNamePrefixCls = 'form_item';
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export default defineComponent({
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name: 'AFormItem',
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inheritAttrs: false,
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__ANT_NEW_FORM_ITEM: true,
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props: formItemProps(),
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slots: ['help', 'label', 'extra'],
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setup(props, { slots, attrs, expose }) {
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warning(props.prop === undefined, `\`prop\` is deprecated. Please use \`name\` instead.`);
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const eventKey = `form-item-${++indexGuid}`;
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const { prefixCls } = useConfigInject('form', props);
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const formContext = useInjectForm();
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const fieldName = computed(() => props.name || props.prop);
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const errors = ref([]);
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const validateDisabled = ref(false);
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const inputRef = ref();
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const namePath = computed(() => {
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const val = fieldName.value;
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return getNamePath(val);
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});
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const fieldId = computed(() => {
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if (!namePath.value.length) {
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return undefined;
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} else {
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const formName = formContext.name.value;
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const mergedId = namePath.value.join('_');
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return formName ? `${formName}_${mergedId}` : `${defaultItemNamePrefixCls}_${mergedId}`;
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}
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});
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const getNewFieldValue = () => {
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const model = formContext.model.value;
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if (!model || !fieldName.value) {
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return;
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} else {
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return getPropByPath(model, namePath.value, true).v;
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}
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};
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const fieldValue = computed(() => getNewFieldValue());
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const initialValue = ref(cloneDeep(fieldValue.value));
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const mergedValidateTrigger = computed(() => {
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let validateTrigger =
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props.validateTrigger !== undefined
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? props.validateTrigger
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: formContext.validateTrigger.value;
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validateTrigger = validateTrigger === undefined ? 'change' : validateTrigger;
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return toArray(validateTrigger);
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});
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const rulesRef = computed<ValidationRule[]>(() => {
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let formRules = formContext.rules.value;
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const selfRules = props.rules;
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const requiredRule =
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props.required !== undefined
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? { required: !!props.required, trigger: mergedValidateTrigger.value }
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: [];
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const prop = getPropByPath(formRules, namePath.value);
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formRules = formRules ? prop.o[prop.k] || prop.v : [];
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const rules = [].concat(selfRules || formRules || []);
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if (find(rules, rule => rule.required)) {
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return rules;
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} else {
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return rules.concat(requiredRule);
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}
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});
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const isRequired = computed(() => {
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const rules = rulesRef.value;
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let isRequired = false;
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if (rules && rules.length) {
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rules.every(rule => {
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if (rule.required) {
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isRequired = true;
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return false;
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}
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return true;
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});
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}
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return isRequired || props.required;
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});
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const validateState = ref();
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watchEffect(() => {
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validateState.value = props.validateStatus;
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});
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const messageVariables = computed(() => {
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let variables: Record<string, string> = {};
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if (typeof props.label === 'string') {
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variables.label = props.label;
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} else if (props.name) {
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variables.label = String(name);
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}
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if (props.messageVariables) {
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variables = { ...variables, ...props.messageVariables };
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}
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return variables;
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});
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const validateRules = (options: ValidateOptions) => {
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// no name, no value, so the validate result is incorrect
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if (namePath.value.length === 0) {
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return;
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}
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const { validateFirst = false } = props;
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const { triggerName } = options || {};
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let filteredRules = rulesRef.value;
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if (triggerName) {
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filteredRules = filteredRules.filter(rule => {
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const { trigger } = rule;
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if (!trigger && !mergedValidateTrigger.value.length) {
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return true;
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}
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const triggerList = toArray(trigger || mergedValidateTrigger.value);
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return triggerList.includes(triggerName);
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});
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}
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if (!filteredRules.length) {
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return Promise.resolve();
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}
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const promise = validateRulesUtil(
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namePath.value,
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fieldValue.value,
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filteredRules as RuleObject[],
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{
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validateMessages: formContext.validateMessages.value,
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...options,
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},
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validateFirst,
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messageVariables.value,
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);
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validateState.value = 'validating';
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errors.value = [];
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promise
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.catch(e => e)
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.then((results: RuleError[] = []) => {
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if (validateState.value === 'validating') {
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const res = results.filter(result => result && result.errors.length);
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validateState.value = res.length ? 'error' : 'success';
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errors.value = res.map(r => r.errors);
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formContext.onValidate(
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fieldName.value,
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!errors.value.length,
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errors.value.length ? toRaw(errors.value[0]) : null,
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);
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}
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});
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return promise;
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};
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const onFieldBlur = () => {
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validateRules({ triggerName: 'blur' });
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};
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const onFieldChange = () => {
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if (validateDisabled.value) {
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validateDisabled.value = false;
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return;
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}
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validateRules({ triggerName: 'change' });
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};
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const clearValidate = () => {
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validateState.value = props.validateStatus;
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validateDisabled.value = false;
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errors.value = [];
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};
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const resetField = () => {
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validateState.value = props.validateStatus;
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validateDisabled.value = true;
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errors.value = [];
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const model = formContext.model.value || {};
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const value = fieldValue.value;
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const prop = getPropByPath(model, namePath.value, true);
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if (Array.isArray(value)) {
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prop.o[prop.k] = [].concat(initialValue.value);
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} else {
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prop.o[prop.k] = initialValue.value;
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}
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// reset validateDisabled after onFieldChange triggered
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nextTick(() => {
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validateDisabled.value = false;
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});
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};
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const htmlFor = computed(() => {
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return props.htmlFor === undefined ? fieldId.value : props.htmlFor;
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});
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const onLabelClick = () => {
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const id = htmlFor.value;
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if (!id || !inputRef.value) {
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return;
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}
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const control = inputRef.value.$el.querySelector(`[id="${id}"]`);
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if (control && control.focus) {
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control.focus();
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}
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};
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expose({
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onFieldBlur,
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onFieldChange,
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clearValidate,
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resetField,
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});
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useProvideFormItemContext(
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{
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id: fieldId,
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onFieldBlur: () => {
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if (props.autoLink) {
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onFieldBlur();
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}
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},
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onFieldChange: () => {
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if (props.autoLink) {
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onFieldChange();
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}
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},
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clearValidate,
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},
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computed(() => {
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return !!(props.autoLink && formContext.model.value && fieldName.value);
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}),
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);
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let registered = false;
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watch(
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fieldName,
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val => {
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if (val) {
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if (!registered) {
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registered = true;
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formContext.addField(eventKey, {
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fieldValue,
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fieldId,
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fieldName,
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resetField,
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clearValidate,
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namePath,
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validateRules,
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rules: rulesRef,
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});
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}
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} else {
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registered = false;
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formContext.removeField(eventKey);
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}
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},
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{ immediate: true },
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);
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onBeforeUnmount(() => {
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formContext.removeField(eventKey);
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});
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const debounceErrors = useDebounce(errors);
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const mergedValidateStatus = computed(() => {
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if (props.validateStatus !== undefined) {
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return props.validateStatus;
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} else if (debounceErrors.value.length) {
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return 'error';
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}
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return validateState.value;
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});
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const itemClassName = computed(() => ({
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[`${prefixCls.value}-item`]: true,
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// Status
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[`${prefixCls.value}-item-has-feedback`]: mergedValidateStatus.value && props.hasFeedback,
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[`${prefixCls.value}-item-has-success`]: mergedValidateStatus.value === 'success',
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[`${prefixCls.value}-item-has-warning`]: mergedValidateStatus.value === 'warning',
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[`${prefixCls.value}-item-has-error`]: mergedValidateStatus.value === 'error',
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[`${prefixCls.value}-item-is-validating`]: mergedValidateStatus.value === 'validating',
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[`${prefixCls.value}-item-hidden`]: props.hidden,
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}));
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return () => {
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if (props.noStyle) return slots.default?.();
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const help = props.help ?? (slots.help ? filterEmpty(slots.help()) : null);
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return (
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<Row
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{...attrs}
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class={[
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itemClassName.value,
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(help !== undefined && help !== null) || debounceErrors.value.length
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? `${prefixCls.value}-item-with-help`
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: '',
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attrs.class,
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]}
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key="row"
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v-slots={{
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default: () => (
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<>
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{/* Label */}
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<FormItemLabel
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{...props}
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htmlFor={htmlFor.value}
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required={isRequired.value}
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requiredMark={formContext.requiredMark.value}
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prefixCls={prefixCls.value}
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onClick={onLabelClick}
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label={props.label ?? slots.label?.()}
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/>
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{/* Input Group */}
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<FormItemInput
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{...props}
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errors={
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help !== undefined && help !== null ? toArray(help) : debounceErrors.value
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}
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prefixCls={prefixCls.value}
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status={mergedValidateStatus.value}
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ref={inputRef}
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help={help}
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extra={props.extra ?? slots.extra?.()}
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v-slots={{ default: slots.default }}
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// v-slots={{ default: () => [firstChildren, children.slice(1)] }}
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></FormItemInput>
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</>
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),
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}}
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></Row>
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);
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};
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},
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});
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