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import PropTypes from 'prop-types';
import React from 'react';
import bindAll from 'lodash.bindall';
import SliderPromptComponent from '../components/slider-prompt/slider-prompt.jsx';
class SliderPrompt extends React.Component {
constructor (props) {
super(props);
bindAll(this, [
'handleOk',
'handleCancel',
'handleChangeMin',
'handleChangeMax',
'handleKeyPress',
'validates',
'shouldBeDiscrete'
]);
const {isDiscrete, minValue, maxValue} = this.props;
this.state = {
// For internal use, convert values to strings based on isDiscrete
// This is because `<input />` always returns values as strings.
minValue: isDiscrete ? minValue.toFixed(0) : minValue.toFixed(2),
maxValue: isDiscrete ? maxValue.toFixed(0) : maxValue.toFixed(2)
};
}
handleKeyPress (event) {
if (event.key === 'Enter') this.handleOk();
}
handleOk () {
const {minValue, maxValue} = this.state;
if (!this.validates(minValue, maxValue)) {
this.props.onCancel();
return;
}
this.props.onOk(
parseFloat(minValue),
parseFloat(maxValue),
this.shouldBeDiscrete(minValue, maxValue));
}
handleCancel () {
this.props.onCancel();
}
handleChangeMin (e) {
this.setState({minValue: e.target.value});
}
handleChangeMax (e) {
this.setState({maxValue: e.target.value});
}
shouldBeDiscrete (min, max) {
return min.indexOf('.') + max.indexOf('.') === -2; // Both -1
}
validates (min, max) {
return isFinite(min) && isFinite(max);
}
render () {
return (
<SliderPromptComponent
maxValue={this.state.maxValue}
minValue={this.state.minValue}
onCancel={this.handleCancel}
onChangeMax={this.handleChangeMax}
onChangeMin={this.handleChangeMin}
onKeyPress={this.handleKeyPress}
onOk={this.handleOk}
/>
);
}
}
SliderPrompt.propTypes = {
isDiscrete: PropTypes.bool,
maxValue: PropTypes.number,
minValue: PropTypes.number,
onCancel: PropTypes.func.isRequired,
onOk: PropTypes.func.isRequired
};
SliderPrompt.defaultProps = {
maxValue: 100,
minValue: 0,
isDiscrete: true
};
export default SliderPrompt;
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