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rcrs.js
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rcrs.js
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import React from 'react';
import CountryRegionData from './source-data.js';
import PropTypes from 'prop-types';
const C = {
DISPLAY_TYPE_FULL: 'full',
DISPLAY_TYPE_SHORT: 'short',
REGION_LIST_DELIMITER: '|',
SINGLE_REGION_DELIMITER: '~'
};
class CountryDropdown extends React.Component {
constructor (props) {
super(props);
this.state = {
countries: _filterCountries(CountryRegionData, props.whitelist, props.blacklist)
};
}
getCountries () {
const { valueType, labelType } = this.props;
return this.state.countries.map(([countryName, countrySlug]) => {
return (
<option value={(valueType === C.DISPLAY_TYPE_SHORT) ? countrySlug : countryName} key={countrySlug}>
{(labelType === C.DISPLAY_TYPE_SHORT) ? countrySlug : countryName}
</option>
);
});
}
getDefaultOption () {
const { showDefaultOption, defaultOptionLabel } = this.props;
if (!showDefaultOption) {
return null;
}
return (
<option value="" key="default">{defaultOptionLabel}</option>
);
}
render () {
const { name, id, classes, value, onChange, onBlur, disabled } = this.props;
const attrs = {
name,
value,
onChange: (e) => onChange(e.target.value, e),
onBlur: (e) => onBlur(e),
disabled
};
if (id) {
attrs.id = id;
}
if (classes) {
attrs.className = classes;
}
return (
<select {...attrs}>
{this.getDefaultOption()}
{this.getCountries()}
</select>
);
}
}
CountryDropdown.propTypes = {
value: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
name: PropTypes.string,
id: PropTypes.string,
classes: PropTypes.string,
showDefaultOption: PropTypes.bool,
defaultOptionLabel: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
onChange: PropTypes.func,
onBlur: PropTypes.func,
labelType: PropTypes.oneOf([C.DISPLAY_TYPE_FULL, C.DISPLAY_TYPE_SHORT]),
valueType: PropTypes.oneOf([C.DISPLAY_TYPE_FULL, C.DISPLAY_TYPE_SHORT]),
whitelist: PropTypes.array,
blacklist: PropTypes.array,
disabled: PropTypes.bool
};
CountryDropdown.defaultProps = {
value: '',
name: 'rcrs-country',
id: '',
classes: '',
showDefaultOption: true,
defaultOptionLabel: 'Select Country',
onChange: () => {
},
onBlur: () => {
},
labelType: C.DISPLAY_TYPE_FULL,
valueType: C.DISPLAY_TYPE_FULL,
whitelist: [],
blacklist: [],
disabled: false
};
class RegionDropdown extends React.Component {
constructor (props) {
super(props);
this.state = { regions: this.getRegions(props.country) };
this.getRegions = this.getRegions.bind(this);
}
shouldComponentUpdate (nextProps) {
return (nextProps.country !== this.props.country) || (nextProps.value !== this.props.value);
}
componentWillReceiveProps (nextProps) {
if (nextProps.country === this.props.country) {
return;
}
this.setState({ regions: this.getRegions(nextProps.country) })
}
getRegions (country) {
if (!country) {
return [];
}
const { countryValueType } = this.props;
const searchIndex = (countryValueType === C.DISPLAY_TYPE_FULL) ? 0 : 1;
let regions = [];
CountryRegionData.forEach((i) => {
if (i[searchIndex] === country) {
regions = i;
return;
}
});
const filteredRegions = _filterRegions(regions, this.props.whitelist, this.props.blacklist);
// this could happen if the user is managing the state of the region/country themselves and screws up passing
// in a valid country
if (!filteredRegions || filteredRegions.length === 0) {
console.error('Error. Unknown country passed: ' + country + '. If you\'re passing a country shortcode, be sure to include countryValueType="short" on the RegionDropdown');
return [];
}
return filteredRegions[2].split(C.REGION_LIST_DELIMITER).map((regionPair) => {
let [regionName, regionShortCode = null] = regionPair.split(C.SINGLE_REGION_DELIMITER);
return { regionName, regionShortCode };
});
}
getRegionList () {
const { labelType, valueType } = this.props;
return this.state.regions.map(({ regionName, regionShortCode }) => {
const label = (labelType === C.DISPLAY_TYPE_FULL) ? regionName : regionShortCode;
const value = (valueType === C.DISPLAY_TYPE_FULL) ? regionName : regionShortCode;
return <option value={value} key={regionName}>{label}</option>;
});
}
// there are two default options. The "blank" option which shows up when the user hasn't selected a country yet, and
// a "default" option which shows
getDefaultOption () {
const { blankOptionLabel, showDefaultOption, defaultOptionLabel, country } = this.props;
if (!country) {
return <option value="">{blankOptionLabel}</option>;
}
if (showDefaultOption) {
return <option value="">{defaultOptionLabel}</option>;
}
return null;
}
render () {
const { value, country, onChange, onBlur, id, name, classes, disabled, disableWhenEmpty } = this.props;
const isDisabled = disabled || (disableWhenEmpty && country == '');
const attrs = {
name,
value,
onChange: (e) => onChange(e.target.value, e),
onBlur: (e) => onBlur(e),
disabled: isDisabled
};
if (id) {
attrs.id = id;
}
if (classes) {
attrs.className = classes;
}
return (
<select {...attrs}>
{this.getDefaultOption()}
{this.getRegionList()}
</select>
);
}
}
RegionDropdown.propTypes = {
country: PropTypes.string,
value: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
name: PropTypes.string,
id: PropTypes.string,
classes: PropTypes.string,
blankOptionLabel: PropTypes.string,
showDefaultOption: PropTypes.bool,
defaultOptionLabel: PropTypes.string,
onChange: PropTypes.func,
onBlur: PropTypes.func,
labelType: PropTypes.string,
valueType: PropTypes.string,
whitelist: PropTypes.object,
blacklist: PropTypes.object,
disabled: PropTypes.bool,
disableWhenEmpty: PropTypes.bool
};
RegionDropdown.defaultProps = {
country: '',
value: '',
name: 'rcrs-region',
id: '',
classes: '',
blankOptionLabel: '-',
showDefaultOption: true,
defaultOptionLabel: 'Select Region',
onChange: () => {
},
onBlur: () => {
},
countryValueType: C.DISPLAY_TYPE_FULL,
labelType: C.DISPLAY_TYPE_FULL,
valueType: C.DISPLAY_TYPE_FULL,
whitelist: [],
blacklist: [],
disabled: false,
disableWhenEmpty: false
};
// ------------------------- helpers --------------------------------
// called on country field initialization. It reduces the subset of countries depending on whether the user
// specified a white/blacklist
function _filterCountries (countries, whitelist, blacklist) {
var filteredCountries = countries;
// N.B. I'd rather use ES6 array.includes() but it requires a polyfill on various browsers. Bit surprising that
// babel doesn't automatically convert it to ES5-friendly code, like the new syntax additions, but that requires
// a separate polyfill which is a total kludge
if (whitelist.length > 0) {
filteredCountries = countries.filter(([, countrySlug]) => {
return whitelist.indexOf(countrySlug) > -1;
});
} else if (blacklist.length > 0) {
filteredCountries = countries.filter(([, countrySlug]) => {
return blacklist.indexOf(countrySlug) === -1;
});
}
return filteredCountries;
}
// called when requesting new regions. It reduces the subset of regions depending on whether the user specifiec
// a white/blacklist
function _filterRegions (regionsObject, whitelistObject, blacklistObject) {
const [country, countryCode, regions] = regionsObject;
const whitelist = whitelistObject.hasOwnProperty(countryCode) ? whitelistObject[countryCode] : [];
const blacklist = blacklistObject.hasOwnProperty(countryCode) ? blacklistObject[countryCode] : [];
let filteredRegions = regions.split('|');
if (whitelist.length > 0 && filteredRegions.length > 0) {
filteredRegions = filteredRegions.filter((region) => {
const [name, code] = region;
for (let i = 0, n = blacklist.length; i < n; i++) {
if (region.indexOf(whitelist[i]) > -1) {
return true;
}
}
return false;
});
} else if (blacklist.length > 0 && filteredRegions.length > 0) {
filteredRegions = filteredRegions.filter((region) => {
const [name, code] = region;
for (let i = 0, n = blacklist.length; i < n; i++) {
if (region.indexOf(blacklist[i]) > -1) {
return false;
}
}
return true;
});
}
console.log({ filteredRegions, end: true });
return [
country,
countryCode,
filteredRegions.join('|')
];
}
export { CountryDropdown, RegionDropdown, CountryRegionData };