formsy-react/examples/components/MultiCheckboxSet.js

65 lines
1.7 KiB
JavaScript

import React from 'react';
import { withFormsy } from 'formsy-react';
function contains(container, item, cmp) {
for (const it of container) {
if (cmp(it, item)) {
return true;
}
}
return false;
}
class MyRadioGroup extends React.Component {
state = { value: [], cmp: (a, b) => a === b };
componentDidMount() {
const value = this.props.value || [];
this.props.setValue(value);
this.setState({ value: value, cmp: this.props.cmp || this.state.cmp });
}
changeValue = (value, event) => {
const checked = event.currentTarget.checked;
let newValue = [];
if (checked) {
newValue = this.state.value.concat(value);
} else {
newValue = this.state.value.filter(it => !this.state.cmp(it, value));
}
this.props.setValue(newValue);
this.setState({ value: newValue });
}
render() {
const className = 'form-group' + (this.props.className || ' ') +
(this.props.showRequired() ? 'required' : this.props.showError() ? 'error' : '');
const errorMessage = this.props.getErrorMessage();
const { name, title, items } = this.props;
return (
<div className={className}>
<label htmlFor={name}>{title}</label>
{items.map((item, i) => (
<div key={i}>
<input
type="checkbox"
name={name}
onChange={this.changeValue.bind(this, item)}
checked={contains(this.state.value, item, this.state.cmp)}
/>
<span>{JSON.stringify(item)}</span>
</div>
))
}
<span className='validation-error'>{errorMessage}</span>
</div>
);
}
}
export default withFormsy(MyRadioGroup);