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import React from 'react';
import DateTimeFormat from 'gregorian-calendar-format';
import RcTimePicker from 'rc-time-picker/lib/TimePicker';
import defaultLocale from './locale/zh_CN';
import classNames from 'classnames';
import GregorianCalendar from 'gregorian-calendar';
export default class TimePicker extends React.Component {
static defaultProps = {
format: 'HH:mm:ss',
prefixCls: 'ant-time-picker',
onChange() {
},
locale: {},
align: {
offset: [0, -2],
},
disabled: false,
disabledHours: undefined,
disabledMinutes: undefined,
disabledSeconds: undefined,
hideDisabledOptions: false,
placement: 'bottomLeft',
transitionName: 'slide-up',
}
static contextTypes = {
antLocale: React.PropTypes.object,
}
getFormatter() {
return new DateTimeFormat(this.props.format, this.getLocale().format);
}
/**
* 获得输入框的 className
*/
getSizeClass() {
let sizeClass = '';
if (this.props.size === 'large') {
sizeClass = ' ant-input-lg';
} else if (this.props.size === 'small') {
sizeClass = ' ant-input-sm';
}
return sizeClass;
}
/**
* 获得输入框的默认值
*/
parseTimeFromValue(value) {
if (value) {
if (typeof value === 'string') {
return this.getFormatter().parse(value, {
locale: this.getLocale().calendar,
obeyCount: true,
});
} else if (value instanceof Date) {
let date = new GregorianCalendar(this.getLocale().calendar);
date.setTime(+value);
return date;
}
}
return value;
}
handleChange = (value) => {
this.props.onChange(
value ? new Date(value.getTime()) : null,
value ? this.getFormatter().format(value) : '',
);
}
getLocale() {
let locale = defaultLocale;
if (this.context.antLocale && this.context.antLocale.TimePicker) {
locale = this.context.antLocale.TimePicker;
}
// 统一合并为完整的 Locale
return { ...locale, ...this.props.locale };
}
render() {
const locale = this.getLocale();
const props = { ...this.props };
props.placeholder = ('placeholder' in this.props)
? props.placeholder : locale.placeholder;
if (props.defaultValue) {
props.defaultValue = this.parseTimeFromValue(props.defaultValue);
} else {
delete props.defaultValue;
}
if (props.value) {
props.value = this.parseTimeFromValue(props.value);
}
let className = classNames({
[props.className]: !!props.className,
[`${props.prefixCls}-${props.size}`]: !!props.size,
});
if (props.format.indexOf('ss') < 0) {
props.showSecond = false;
}
if (props.format.indexOf('HH') < 0) {
props.showHour = false;
}
return (
<RcTimePicker
{...props}
className={className}
locale={locale}
formatter={this.getFormatter()}
onChange={this.handleChange}
/>
);
}
}