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import PropTypes from '../_util/vue-types';
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import classNames from 'classnames';
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import find from 'lodash/find';
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import Row from '../grid/Row';
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import Col, { ColProps } from '../grid/Col';
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import warning from '../_util/warning';
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import { FIELD_META_PROP, FIELD_DATA_PROP } from './constants';
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import {
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initDefaultProps,
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getComponentFromProp,
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filterEmpty,
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getSlotOptions,
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isValidElement,
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getAllChildren,
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} from '../_util/props-util';
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import getTransitionProps from '../_util/getTransitionProps';
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import BaseMixin from '../_util/BaseMixin';
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import { cloneElement, cloneVNodes } from '../_util/vnode';
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import Icon from '../icon';
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import { ConfigConsumerProps } from '../config-provider';
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function noop() {}
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function intersperseSpace(list) {
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return list.reduce((current, item) => [...current, ' ', item], []).slice(1);
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}
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export const FormItemProps = {
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id: PropTypes.string,
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prefixCls: PropTypes.string,
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label: PropTypes.any,
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labelCol: PropTypes.shape(ColProps).loose,
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wrapperCol: PropTypes.shape(ColProps).loose,
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help: PropTypes.any,
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extra: PropTypes.any,
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validateStatus: PropTypes.oneOf(['', 'success', 'warning', 'error', 'validating']),
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hasFeedback: PropTypes.bool,
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required: PropTypes.bool,
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colon: PropTypes.bool,
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fieldDecoratorId: PropTypes.string,
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fieldDecoratorOptions: PropTypes.object,
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selfUpdate: PropTypes.bool,
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};
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function comeFromSlot(vnodes = [], itemVnode) {
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let isSlot = false;
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for (let i = 0, len = vnodes.length; i < len; i++) {
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const vnode = vnodes[i];
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if (vnode && (vnode === itemVnode || vnode.$vnode === itemVnode)) {
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isSlot = true;
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} else {
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const componentOptions =
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vnode.componentOptions || (vnode.$vnode && vnode.$vnode.componentOptions);
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const children = componentOptions ? componentOptions.children : vnode.$children;
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isSlot = comeFromSlot(children, itemVnode);
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}
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if (isSlot) {
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break;
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}
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}
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return isSlot;
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}
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export default {
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name: 'AFormItem',
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__ANT_FORM_ITEM: true,
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mixins: [BaseMixin],
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props: initDefaultProps(FormItemProps, {
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hasFeedback: false,
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colon: true,
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}),
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inject: {
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FormProps: { default: () => ({}) },
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decoratorFormProps: { default: () => ({}) },
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collectFormItemContext: { default: () => noop },
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configProvider: { default: () => ConfigConsumerProps },
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},
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data() {
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return { helpShow: false };
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},
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computed: {
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itemSelfUpdate() {
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return !!(this.selfUpdate === undefined ? this.FormProps.selfUpdate : this.selfUpdate);
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},
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},
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created() {
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this.collectContext();
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},
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beforeUpdate() {
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if (process.env.NODE_ENV !== 'production') {
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this.collectContext();
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}
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},
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beforeDestroy() {
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this.collectFormItemContext(this.$vnode.context, 'delete');
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},
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mounted() {
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const { help, validateStatus } = this.$props;
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warning(
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this.getControls(this.slotDefault, true).length <= 1 ||
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(help !== undefined || validateStatus !== undefined),
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'`Form.Item` cannot generate `validateStatus` and `help` automatically, ' +
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'while there are more than one `getFieldDecorator` in it.',
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);
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warning(
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!this.fieldDecoratorId,
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'`fieldDecoratorId` is deprecated. please use `v-decorator={id, options}` instead.',
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);
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},
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methods: {
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collectContext() {
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if (this.FormProps.form && this.FormProps.form.templateContext) {
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const { templateContext } = this.FormProps.form;
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const vnodes = Object.values(templateContext.$slots || {}).reduce((a, b) => {
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return [...a, ...b];
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}, []);
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const isSlot = comeFromSlot(vnodes, this.$vnode);
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warning(!isSlot, 'You can not set FormItem from slot, please use slot-scope instead slot');
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let isSlotScope = false;
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// 进一步判断是否是通过slot-scope传递
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if (!isSlot && this.$vnode.context !== templateContext) {
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isSlotScope = comeFromSlot(this.$vnode.context.$children, templateContext.$vnode);
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}
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if (!isSlotScope && !isSlot) {
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this.collectFormItemContext(this.$vnode.context);
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}
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}
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},
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getHelpMessage() {
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const help = getComponentFromProp(this, 'help');
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const onlyControl = this.getOnlyControl();
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if (help === undefined && onlyControl) {
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const errors = this.getField().errors;
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if (errors) {
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return intersperseSpace(
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errors.map((e, index) => {
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let node = null;
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if (isValidElement(e)) {
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node = e;
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} else if (isValidElement(e.message)) {
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node = e.message;
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}
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return node ? cloneElement(node, { key: index }) : e.message;
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}),
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);
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} else {
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return '';
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}
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}
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return help;
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},
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getControls(childrenArray = [], recursively) {
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let controls = [];
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for (let i = 0; i < childrenArray.length; i++) {
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if (!recursively && controls.length > 0) {
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break;
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}
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const child = childrenArray[i];
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if (!child.tag && child.text.trim() === '') {
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continue;
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}
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if (getSlotOptions(child).__ANT_FORM_ITEM) {
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continue;
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}
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const children = getAllChildren(child);
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const attrs = (child.data && child.data.attrs) || {};
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if (FIELD_META_PROP in attrs) {
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// And means FIELD_DATA_PROP in child.props, too.
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controls.push(child);
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} else if (children) {
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controls = controls.concat(this.getControls(children, recursively));
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}
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}
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return controls;
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},
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getOnlyControl() {
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const child = this.getControls(this.slotDefault, false)[0];
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return child !== undefined ? child : null;
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},
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getChildAttr(prop) {
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const child = this.getOnlyControl();
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let data = {};
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if (!child) {
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return undefined;
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}
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if (child.data) {
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data = child.data;
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} else if (child.$vnode && child.$vnode.data) {
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data = child.$vnode.data;
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}
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return data[prop] || data.attrs[prop];
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},
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getId() {
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return this.getChildAttr('id');
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},
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getMeta() {
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return this.getChildAttr(FIELD_META_PROP);
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},
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getField() {
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return this.getChildAttr(FIELD_DATA_PROP);
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},
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onHelpAnimEnd(_key, helpShow) {
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this.helpShow = helpShow;
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if (!helpShow) {
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this.$forceUpdate();
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}
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},
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renderHelp(prefixCls) {
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const help = this.getHelpMessage();
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const children = help ? (
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<div class={`${prefixCls}-explain`} key="help">
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{help}
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</div>
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) : null;
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if (children) {
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this.helpShow = !!children;
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}
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const transitionProps = getTransitionProps('show-help', {
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afterEnter: () => this.onHelpAnimEnd('help', true),
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afterLeave: () => this.onHelpAnimEnd('help', false),
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});
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return (
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<transition {...transitionProps} key="help">
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{children}
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</transition>
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);
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},
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renderExtra(prefixCls) {
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const extra = getComponentFromProp(this, 'extra');
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return extra ? <div class={`${prefixCls}-extra`}>{extra}</div> : null;
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},
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getValidateStatus() {
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const onlyControl = this.getOnlyControl();
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if (!onlyControl) {
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return '';
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}
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const field = this.getField();
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if (field.validating) {
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return 'validating';
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}
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if (field.errors) {
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return 'error';
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}
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const fieldValue = 'value' in field ? field.value : this.getMeta().initialValue;
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if (fieldValue !== undefined && fieldValue !== null && fieldValue !== '') {
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return 'success';
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}
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return '';
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},
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renderValidateWrapper(prefixCls, c1, c2, c3) {
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const props = this.$props;
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const onlyControl = this.getOnlyControl;
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const validateStatus =
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props.validateStatus === undefined && onlyControl
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? this.getValidateStatus()
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: props.validateStatus;
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let classes = `${prefixCls}-item-control`;
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if (validateStatus) {
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classes = classNames(`${prefixCls}-item-control`, {
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'has-feedback': props.hasFeedback || validateStatus === 'validating',
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'has-success': validateStatus === 'success',
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'has-warning': validateStatus === 'warning',
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'has-error': validateStatus === 'error',
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'is-validating': validateStatus === 'validating',
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});
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}
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let iconType = '';
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switch (validateStatus) {
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case 'success':
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iconType = 'check-circle';
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break;
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case 'warning':
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iconType = 'exclamation-circle';
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break;
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case 'error':
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iconType = 'close-circle';
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break;
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case 'validating':
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iconType = 'loading';
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break;
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default:
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iconType = '';
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break;
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}
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const icon =
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props.hasFeedback && iconType ? (
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<span class={`${prefixCls}-item-children-icon`}>
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<Icon type={iconType} theme={iconType === 'loading' ? 'outlined' : 'filled'} />
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</span>
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) : null;
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return (
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<div class={classes}>
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<span class={`${prefixCls}-item-children`}>
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{c1}
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{icon}
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</span>
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{c2}
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{c3}
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</div>
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);
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},
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renderWrapper(prefixCls, children) {
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const { wrapperCol = {} } = this;
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const { class: cls, style, id, on, ...restProps } = wrapperCol;
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const className = classNames(`${prefixCls}-item-control-wrapper`, cls);
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const colProps = {
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props: restProps,
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class: className,
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key: 'wrapper',
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style,
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id,
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on,
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};
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return <Col {...colProps}>{children}</Col>;
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},
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isRequired() {
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const { required } = this;
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if (required !== undefined) {
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return required;
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}
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if (this.getOnlyControl()) {
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const meta = this.getMeta() || {};
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const validate = meta.validate || [];
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return validate
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.filter(item => !!item.rules)
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.some(item => {
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return item.rules.some(rule => rule.required);
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});
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}
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return false;
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},
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// Resolve duplicated ids bug between different forms
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// https://github.com/ant-design/ant-design/issues/7351
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onLabelClick(e) {
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const label = getComponentFromProp(this, 'label');
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const id = this.id || this.getId();
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if (!id) {
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return;
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}
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const formItemNode = this.$el;
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const control = formItemNode.querySelector(`[id="${id}"]`);
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if (control) {
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// Only prevent in default situation
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// Avoid preventing event in `label={<a href="xx">link</a>}``
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if (typeof label === 'string') {
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e.preventDefault();
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}
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if (control.focus) {
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control.focus();
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}
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}
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},
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renderLabel(prefixCls) {
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const { labelCol = {}, colon, id } = this;
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const label = getComponentFromProp(this, 'label');
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const required = this.isRequired();
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const {
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class: labelColClass,
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style: labelColStyle,
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id: labelColId,
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on,
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...restProps
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} = labelCol;
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const labelColClassName = classNames(`${prefixCls}-item-label`, labelColClass);
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const labelClassName = classNames({
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[`${prefixCls}-item-required`]: required,
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});
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let labelChildren = label;
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|
|
// Keep label is original where there should have no colon
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|
const haveColon = colon && this.FormProps.layout !== 'vertical';
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|
|
// Remove duplicated user input colon
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|
|
if (haveColon && typeof label === 'string' && label.trim() !== '') {
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labelChildren = label.replace(/[：|:]\s*$/, '');
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}
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const colProps = {
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props: restProps,
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class: labelColClassName,
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key: 'label',
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style: labelColStyle,
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id: labelColId,
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on,
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};
|
|
|
|
|
|
return label ? (
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|
|
<Col {...colProps}>
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|
|
<label
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|
|
for={id || this.getId()}
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|
|
class={labelClassName}
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|
|
title={typeof label === 'string' ? label : ''}
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|
|
onClick={this.onLabelClick}
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|
>
|
|
|
{labelChildren}
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|
|
</label>
|
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|
</Col>
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|
) : null;
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|
|
},
|
|
|
renderChildren(prefixCls) {
|
|
|
return [
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|
|
this.renderLabel(prefixCls),
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|
|
this.renderWrapper(
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|
prefixCls,
|
|
|
this.renderValidateWrapper(
|
|
|
prefixCls,
|
|
|
this.slotDefault,
|
|
|
this.renderHelp(prefixCls),
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|
|
this.renderExtra(prefixCls),
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|
),
|
|
|
),
|
|
|
];
|
|
|
},
|
|
|
renderFormItem() {
|
|
|
const { prefixCls: customizePrefixCls, colon } = this.$props;
|
|
|
const getPrefixCls = this.configProvider.getPrefixCls;
|
|
|
const prefixCls = getPrefixCls('form', customizePrefixCls);
|
|
|
const children = this.renderChildren(prefixCls);
|
|
|
const itemClassName = {
|
|
|
[`${prefixCls}-item`]: true,
|
|
|
[`${prefixCls}-item-with-help`]: this.helpShow,
|
|
|
[`${prefixCls}-item-no-colon`]: !colon,
|
|
|
};
|
|
|
|
|
|
return <Row class={classNames(itemClassName)}>{children}</Row>;
|
|
|
},
|
|
|
decoratorOption(vnode) {
|
|
|
if (vnode.data && vnode.data.directives) {
|
|
|
const directive = find(vnode.data.directives, ['name', 'decorator']);
|
|
|
warning(
|
|
|
!directive || (directive && Array.isArray(directive.value)),
|
|
|
`Invalid directive: type check failed for directive "decorator". Expected Array, got ${typeof (directive
|
|
|
? directive.value
|
|
|
: directive)}. At ${vnode.tag}.`,
|
|
|
);
|
|
|
return directive ? directive.value : null;
|
|
|
} else {
|
|
|
return null;
|
|
|
}
|
|
|
},
|
|
|
decoratorChildren(vnodes) {
|
|
|
const { FormProps } = this;
|
|
|
const getFieldDecorator = FormProps.form.getFieldDecorator;
|
|
|
for (let i = 0, len = vnodes.length; i < len; i++) {
|
|
|
const vnode = vnodes[i];
|
|
|
if (getSlotOptions(vnode).__ANT_FORM_ITEM) {
|
|
|
break;
|
|
|
}
|
|
|
if (vnode.children) {
|
|
|
vnode.children = this.decoratorChildren(cloneVNodes(vnode.children));
|
|
|
} else if (vnode.componentOptions && vnode.componentOptions.children) {
|
|
|
vnode.componentOptions.children = this.decoratorChildren(
|
|
|
cloneVNodes(vnode.componentOptions.children),
|
|
|
);
|
|
|
}
|
|
|
const option = this.decoratorOption(vnode);
|
|
|
if (option && option[0]) {
|
|
|
vnodes[i] = getFieldDecorator(option[0], option[1], this)(vnode);
|
|
|
}
|
|
|
}
|
|
|
return vnodes;
|
|
|
},
|
|
|
},
|
|
|
|
|
|
render() {
|
|
|
const {
|
|
|
$slots,
|
|
|
decoratorFormProps,
|
|
|
fieldDecoratorId,
|
|
|
fieldDecoratorOptions = {},
|
|
|
FormProps,
|
|
|
} = this;
|
|
|
let child = filterEmpty($slots.default || []);
|
|
|
if (decoratorFormProps.form && fieldDecoratorId && child.length) {
|
|
|
const getFieldDecorator = decoratorFormProps.form.getFieldDecorator;
|
|
|
child[0] = getFieldDecorator(fieldDecoratorId, fieldDecoratorOptions, this)(child[0]);
|
|
|
warning(
|
|
|
!(child.length > 1),
|
|
|
'`autoFormCreate` just `decorator` then first children. but you can use JSX to support multiple children',
|
|
|
);
|
|
|
this.slotDefault = child;
|
|
|
} else if (FormProps.form) {
|
|
|
child = cloneVNodes(child);
|
|
|
this.slotDefault = this.decoratorChildren(child);
|
|
|
} else {
|
|
|
this.slotDefault = child;
|
|
|
}
|
|
|
return this.renderFormItem();
|
|
|
},
|
|
|
};
|
