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import React, {PropTypes} from 'react';
const Header = React.createClass({
propTypes: {
formatter: PropTypes.object,
prefixCls: PropTypes.string,
gregorianCalendarLocale: PropTypes.object,
locale: PropTypes.object,
disabledDate: PropTypes.func,
placeholder: PropTypes.string,
value: PropTypes.object,
hourOptions: PropTypes.array,
minuteOptions: PropTypes.array,
secondOptions: PropTypes.array,
onChange: PropTypes.func,
onClear: PropTypes.func,
onEsc: PropTypes.func,
allowEmpty: PropTypes.bool,
},
getInitialState() {
const value = this.props.value;
return {
str: value && this.props.formatter.format(value) || '',
invalid: false,
};
},
componentDidMount() {
this.timer = setTimeout(() => {
this.refs.input.focus();
}, 0);
},
componentWillReceiveProps(nextProps) {
const value = nextProps.value;
this.setState({
str: value && nextProps.formatter.format(value) || '',
invalid: false,
});
},
componentWillUnmount() {
clearTimeout(this.timer);
},
onInputChange(event) {
const str = event.target.value;
this.setState({
str,
});
let value = null;
const {formatter, gregorianCalendarLocale, hourOptions, minuteOptions, secondOptions, onChange, allowEmpty} = this.props;
if (str) {
const originalValue = this.props.value;
try {
value = formatter.parse(str, {
locale: gregorianCalendarLocale,
obeyCount: true,
});
} catch (ex) {
this.setState({
invalid: true,
});
return;
}
if (value) {
if (
hourOptions.indexOf(value.getHourOfDay()) < 0 ||
minuteOptions.indexOf(value.getMinutes()) < 0 ||
secondOptions.indexOf(value.getSeconds()) < 0
) {
this.setState({
invalid: true,
});
return;
}
if (originalValue && value) {
if (
originalValue.getHourOfDay() !== value.getHourOfDay() ||
originalValue.getMinutes() !== value.getMinutes() ||
originalValue.getSeconds() !== value.getSeconds()
) {
onChange(value);
}
} else if (originalValue !== value) {
onChange(value);
}
} else {
this.setState({
invalid: true,
});
return;
}
} else if (allowEmpty) {
onChange(null);
} else {
this.setState({
invalid: true,
});
return;
}
this.setState({
invalid: false,
});
},
onKeyDown(e) {
if (e.keyCode === 27) {
this.props.onEsc();
}
},
onClear() {
this.setState({str: ''});
this.props.onClear();
},
getClearButton() {
const { locale, prefixCls, allowEmpty } = this.props;
if (!allowEmpty) {
return null;
}
return <a className={`${prefixCls}-clear-btn`} role="button" title={locale.clear} onMouseDown={this.onClear}/>;
},
getInput() {
const { prefixCls, placeholder } = this.props;
const { invalid, str } = this.state;
const invalidClass = invalid ? `${prefixCls}-input-invalid` : '';
return (<input className={`${prefixCls}-input ${invalidClass}`}
ref="input"
onKeyDown={this.onKeyDown}
value={str}
placeholder={placeholder} onChange={this.onInputChange}/>);
},
render() {
const { prefixCls } = this.props;
return (
<div className={`${prefixCls}-input-wrap`}>
{this.getInput()}
{this.getClearButton()}
</div>
);
},
});
export default Header;
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