ant-design-vue/components/form/FormItem.jsx

492 lines
15 KiB
Vue
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

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