mirror of
https://github.com/alibaba/lowcode-engine.git
synced 2026-04-20 20:38:06 +00:00
517 lines
14 KiB
JavaScript
517 lines
14 KiB
JavaScript
import React from 'react';
|
||
import PropTypes from 'prop-types';
|
||
import classNames from 'classnames';
|
||
import Grid from '../grid';
|
||
import RGrid from '../responsive-grid';
|
||
import { obj } from '../util';
|
||
import Error from './error';
|
||
import { getFieldInitCfg } from './enhance';
|
||
|
||
const { Row, Col } = Grid;
|
||
const { Cell } = RGrid;
|
||
|
||
const { isNil } = obj;
|
||
|
||
/** Form.Item
|
||
* @description 手动传递了 wrapCol labelCol 会使用 Grid 辅助布局; labelAlign='top' 会强制禁用 Grid
|
||
* @order 1
|
||
*/
|
||
export default class Item extends React.Component {
|
||
static propTypes = {
|
||
/**
|
||
* 样式前缀
|
||
*/
|
||
prefix: PropTypes.string,
|
||
rtl: PropTypes.bool,
|
||
/**
|
||
* label 标签的文本
|
||
*/
|
||
label: PropTypes.node,
|
||
/**
|
||
* label 标签布局,通 `<Col>` 组件,设置 span offset 值,如 {span: 8, offset: 16},该项仅在垂直表单有效
|
||
*/
|
||
labelCol: PropTypes.object,
|
||
/**
|
||
* 需要为输入控件设置布局样式时,使用该属性,用法同 labelCol
|
||
*/
|
||
wrapperCol: PropTypes.object,
|
||
/**
|
||
* 自定义提示信息,如不设置,则会根据校验规则自动生成.
|
||
*/
|
||
help: PropTypes.node,
|
||
/**
|
||
* 额外的提示信息,和 help 类似,当需要错误信息和提示文案同时出现时,可以使用这个。 位于错误信息后面
|
||
*/
|
||
extra: PropTypes.node,
|
||
/**
|
||
* 校验状态,如不设置,则会根据校验规则自动生成
|
||
* @enumdesc 失败, 成功, 校验中, 警告
|
||
*/
|
||
validateState: PropTypes.oneOf([
|
||
'error',
|
||
'success',
|
||
'loading',
|
||
'warning',
|
||
]),
|
||
/**
|
||
* 配合 validateState 属性使用,是否展示 success/loading 的校验状态图标, 目前只有Input支持
|
||
*/
|
||
hasFeedback: PropTypes.bool, //TODO: hasFeedback => validateStatus=[error,success,loading]
|
||
/**
|
||
* 自定义内联样式
|
||
*/
|
||
style: PropTypes.object,
|
||
id: PropTypes.string,
|
||
/**
|
||
* node 或者 function(values)
|
||
*/
|
||
children: PropTypes.oneOfType([PropTypes.node, PropTypes.func]),
|
||
/**
|
||
* 单个 Item 的 size 自定义,优先级高于 Form 的 size, 并且当组件与 Item 一起使用时,组件自身设置 size 属性无效。
|
||
*/
|
||
size: PropTypes.oneOf(['large', 'small', 'medium']),
|
||
/**
|
||
* 单个 Item 中表单类组件宽度是否是100%
|
||
*/
|
||
fullWidth: PropTypes.bool,
|
||
/**
|
||
* 标签的位置
|
||
* @enumdesc 上, 左, 内
|
||
*/
|
||
labelAlign: PropTypes.oneOf(['top', 'left', 'inset']),
|
||
/**
|
||
* 标签的左右对齐方式
|
||
* @enumdesc 左, 右
|
||
*/
|
||
labelTextAlign: PropTypes.oneOf(['left', 'right']),
|
||
/**
|
||
* 扩展class
|
||
*/
|
||
className: PropTypes.string,
|
||
/**
|
||
* [表单校验] 不能为空
|
||
*/
|
||
required: PropTypes.bool,
|
||
/**
|
||
* required 的星号是否显示
|
||
*/
|
||
asterisk: PropTypes.bool,
|
||
/**
|
||
* required 自定义错误信息
|
||
*/
|
||
requiredMessage: PropTypes.string,
|
||
/**
|
||
* required 自定义触发方式
|
||
*/
|
||
requiredTrigger: PropTypes.oneOfType([
|
||
PropTypes.string,
|
||
PropTypes.array,
|
||
]),
|
||
/**
|
||
* [表单校验] 最小值
|
||
*/
|
||
min: PropTypes.number,
|
||
/**
|
||
* [表单校验] 最大值
|
||
*/
|
||
max: PropTypes.number,
|
||
/**
|
||
* min/max 自定义错误信息
|
||
*/
|
||
minmaxMessage: PropTypes.string,
|
||
/**
|
||
* min/max 自定义触发方式
|
||
*/
|
||
minmaxTrigger: PropTypes.oneOfType([PropTypes.string, PropTypes.array]),
|
||
/**
|
||
* [表单校验] 字符串最小长度 / 数组最小个数
|
||
*/
|
||
minLength: PropTypes.number,
|
||
/**
|
||
* [表单校验] 字符串最大长度 / 数组最大个数
|
||
*/
|
||
maxLength: PropTypes.number,
|
||
/**
|
||
* minLength/maxLength 自定义错误信息
|
||
*/
|
||
minmaxLengthMessage: PropTypes.string,
|
||
/**
|
||
* minLength/maxLength 自定义触发方式
|
||
*/
|
||
minmaxLengthTrigger: PropTypes.oneOfType([
|
||
PropTypes.string,
|
||
PropTypes.array,
|
||
]),
|
||
/**
|
||
* [表单校验] 字符串精确长度 / 数组精确个数
|
||
*/
|
||
length: PropTypes.number,
|
||
/**
|
||
* length 自定义错误信息
|
||
*/
|
||
lengthMessage: PropTypes.string,
|
||
/**
|
||
* length 自定义触发方式
|
||
*/
|
||
lengthTrigger: PropTypes.oneOfType([PropTypes.string, PropTypes.array]),
|
||
/**
|
||
* 正则校验
|
||
*/
|
||
pattern: PropTypes.any,
|
||
/**
|
||
* pattern 自定义错误信息
|
||
*/
|
||
patternMessage: PropTypes.string,
|
||
/**
|
||
* pattern 自定义触发方式
|
||
*/
|
||
patternTrigger: PropTypes.oneOfType([
|
||
PropTypes.string,
|
||
PropTypes.array,
|
||
]),
|
||
/**
|
||
* [表单校验] 四种常用的 pattern
|
||
*/
|
||
format: PropTypes.oneOf(['number', 'email', 'url', 'tel']),
|
||
/**
|
||
* format 自定义错误信息
|
||
*/
|
||
formatMessage: PropTypes.string,
|
||
/**
|
||
* format 自定义触发方式
|
||
*/
|
||
formatTrigger: PropTypes.oneOfType([PropTypes.string, PropTypes.array]),
|
||
/**
|
||
* [表单校验] 自定义校验函数
|
||
*/
|
||
validator: PropTypes.func,
|
||
/**
|
||
* validator 自定义触发方式
|
||
*/
|
||
validatorTrigger: PropTypes.oneOfType([
|
||
PropTypes.string,
|
||
PropTypes.array,
|
||
]),
|
||
/**
|
||
* 是否修改数据时自动触发校验
|
||
*/
|
||
autoValidate: PropTypes.bool,
|
||
/**
|
||
* 预设屏幕宽度
|
||
*/
|
||
device: PropTypes.oneOf(['phone', 'tablet', 'desktop']),
|
||
responsive: PropTypes.bool,
|
||
/**
|
||
* 在响应式布局模式下,表单项占多少列
|
||
*/
|
||
colSpan: PropTypes.number,
|
||
/**
|
||
* 在响应式布局下,且label在左边时,label的宽度是多少
|
||
*/
|
||
labelWidth: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
|
||
/**
|
||
* 是否开启预览态
|
||
*/
|
||
isPreview: PropTypes.bool,
|
||
/**
|
||
* 预览态模式下渲染的内容
|
||
* @param {any} value 根据包裹的组件的 value 类型而决定
|
||
*/
|
||
renderPreview: PropTypes.func,
|
||
};
|
||
|
||
static defaultProps = {
|
||
prefix: 'next-',
|
||
hasFeedback: false,
|
||
labelWidth: 100,
|
||
};
|
||
|
||
static contextTypes = {
|
||
_formField: PropTypes.object,
|
||
_formSize: PropTypes.oneOf(['large', 'small', 'medium']),
|
||
_formPreview: PropTypes.bool,
|
||
_formFullWidth: PropTypes.bool,
|
||
};
|
||
|
||
static _typeMark = 'form_item';
|
||
|
||
/**
|
||
* 从子元素里面提取表单组件
|
||
*/
|
||
getNames() {
|
||
const children = React.Children.toArray(this.props.children);
|
||
return children
|
||
.filter(c => {
|
||
return c.props && ('name' in c.props || 'data-meta' in c.props);
|
||
})
|
||
.map(c => {
|
||
return c.props.name || c.props.id;
|
||
});
|
||
}
|
||
|
||
getHelper() {
|
||
const help = this.props.help;
|
||
const _formField = this.context._formField;
|
||
|
||
return (
|
||
<Error
|
||
name={help === undefined ? this.getNames() : undefined}
|
||
field={_formField}
|
||
>
|
||
{help}
|
||
</Error>
|
||
);
|
||
}
|
||
|
||
getState() {
|
||
const { validateState } = this.props;
|
||
if (validateState) {
|
||
return validateState;
|
||
}
|
||
|
||
if (this.context._formField) {
|
||
const { getState } = this.context._formField;
|
||
const names = this.getNames();
|
||
if (!names.length) {
|
||
return '';
|
||
}
|
||
|
||
// get first name
|
||
return getState(names[0]);
|
||
}
|
||
|
||
return undefined;
|
||
}
|
||
|
||
getSize() {
|
||
return this.props.size || this.context._formSize;
|
||
}
|
||
|
||
getIsPreview() {
|
||
return 'isPreview' in this.props
|
||
? this.props.isPreview
|
||
: this.context._formPreview;
|
||
}
|
||
|
||
getFullWidth() {
|
||
return isNil(this.props.fullWidth)
|
||
? !!this.context._formFullWidth
|
||
: this.props.fullWidth;
|
||
}
|
||
|
||
getItemLabel() {
|
||
const {
|
||
id,
|
||
required,
|
||
asterisk = required,
|
||
label,
|
||
labelCol,
|
||
wrapperCol,
|
||
prefix,
|
||
responsive,
|
||
labelWidth,
|
||
labelTextAlign,
|
||
} = this.props;
|
||
|
||
const labelAlign = this.getLabelAlign(
|
||
this.props.labelAlign,
|
||
this.props.device
|
||
);
|
||
|
||
if (!label) {
|
||
return null;
|
||
}
|
||
|
||
const ele = (
|
||
<label
|
||
htmlFor={id || this.getNames()[0]}
|
||
required={asterisk}
|
||
key="label"
|
||
>
|
||
{label}
|
||
</label>
|
||
);
|
||
|
||
const cls = classNames({
|
||
[`${prefix}form-item-label`]: true,
|
||
[`${prefix}left`]: labelTextAlign === 'left',
|
||
});
|
||
|
||
if (responsive && labelWidth && labelAlign !== 'top') {
|
||
return (
|
||
<div className={cls} style={{ width: labelWidth }}>
|
||
{ele}
|
||
</div>
|
||
);
|
||
}
|
||
|
||
if ((wrapperCol || labelCol) && labelAlign !== 'top') {
|
||
return (
|
||
<Col {...labelCol} className={cls}>
|
||
{ele}
|
||
</Col>
|
||
);
|
||
}
|
||
|
||
return <div className={cls}>{ele}</div>;
|
||
}
|
||
|
||
getItemWrapper() {
|
||
const {
|
||
hasFeedback,
|
||
labelCol,
|
||
wrapperCol,
|
||
children,
|
||
extra,
|
||
prefix,
|
||
renderPreview,
|
||
} = this.props;
|
||
|
||
const labelAlign = this.getLabelAlign(
|
||
this.props.labelAlign,
|
||
this.props.device
|
||
);
|
||
|
||
const state = this.getState();
|
||
|
||
const isPreview = this.getIsPreview();
|
||
const childrenProps = {
|
||
size: this.getSize(),
|
||
};
|
||
|
||
if (isPreview) {
|
||
childrenProps.isPreview = true;
|
||
}
|
||
|
||
if (
|
||
'renderPreview' in this.props &&
|
||
typeof renderPreview === 'function'
|
||
) {
|
||
childrenProps.renderPreview = renderPreview;
|
||
}
|
||
|
||
if (state && (state === 'error' || hasFeedback)) {
|
||
childrenProps.state = state;
|
||
}
|
||
|
||
if (labelAlign === 'inset') {
|
||
childrenProps.label = this.getItemLabel();
|
||
}
|
||
|
||
let childrenNode = children;
|
||
if (typeof children === 'function' && this.context._formField) {
|
||
childrenNode = children(this.context._formField.getValues());
|
||
}
|
||
|
||
const ele = React.Children.map(childrenNode, child => {
|
||
if (
|
||
child &&
|
||
typeof child.type === 'function' &&
|
||
child.type._typeMark !== 'form_item' &&
|
||
child.type._typeMark !== 'form_error'
|
||
) {
|
||
let extraProps = childrenProps;
|
||
if (
|
||
this.context._formField &&
|
||
'name' in child.props &&
|
||
!('data-meta' in child.props)
|
||
) {
|
||
extraProps = this.context._formField.init(
|
||
child.props.name,
|
||
{
|
||
...getFieldInitCfg(
|
||
this.props,
|
||
child.type.displayName
|
||
),
|
||
props: { ...child.props, ref: child.ref },
|
||
},
|
||
childrenProps
|
||
);
|
||
} else {
|
||
extraProps = Object.assign({}, child.props, extraProps);
|
||
}
|
||
|
||
return React.cloneElement(child, extraProps);
|
||
}
|
||
|
||
return child;
|
||
});
|
||
|
||
const help = this.getHelper();
|
||
|
||
if ((wrapperCol || labelCol) && labelAlign !== 'top') {
|
||
return (
|
||
<Col
|
||
{...wrapperCol}
|
||
className={`${prefix}form-item-control`}
|
||
key="item"
|
||
>
|
||
{ele} {help} {extra}
|
||
</Col>
|
||
);
|
||
}
|
||
|
||
return (
|
||
<div className={`${prefix}form-item-control`}>
|
||
{ele} {help} {extra}
|
||
</div>
|
||
);
|
||
}
|
||
|
||
getLabelAlign(labelAlign, device) {
|
||
if (device === 'phone') {
|
||
return 'top';
|
||
}
|
||
|
||
return labelAlign;
|
||
}
|
||
|
||
render() {
|
||
const {
|
||
className,
|
||
style,
|
||
prefix,
|
||
wrapperCol,
|
||
labelCol,
|
||
responsive,
|
||
} = this.props;
|
||
|
||
const labelAlign = this.getLabelAlign(
|
||
this.props.labelAlign,
|
||
this.props.device
|
||
);
|
||
|
||
const state = this.getState();
|
||
const size = this.getSize();
|
||
const fullWidth = this.getFullWidth();
|
||
|
||
const itemClassName = classNames({
|
||
[`${prefix}form-item`]: true,
|
||
[`${prefix}${labelAlign}`]: labelAlign,
|
||
[`has-${state}`]: !!state,
|
||
[`${prefix}${size}`]: !!size,
|
||
[`${prefix}form-item-fullwidth`]: fullWidth,
|
||
[`${className}`]: !!className,
|
||
});
|
||
|
||
// 垂直模式并且左对齐才用到
|
||
const Tag = responsive
|
||
? Cell
|
||
: (wrapperCol || labelCol) && labelAlign !== 'top'
|
||
? Row
|
||
: 'div';
|
||
const label = labelAlign === 'inset' ? null : this.getItemLabel();
|
||
|
||
return (
|
||
<Tag
|
||
{...obj.pickOthers(Item.propTypes, this.props)}
|
||
className={itemClassName}
|
||
style={style}
|
||
>
|
||
{label}
|
||
{this.getItemWrapper()}
|
||
</Tag>
|
||
);
|
||
}
|
||
}
|