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| // Dependencies.
import React from 'react'
import PropTypes from 'prop-types'
// Utility methods.
import {
bind,
exists,
unique
} from '@t7/utils'
// UI components.
import {
ErrorMessage,
Label
} from '../'
// Define class.
class Select extends React.Component {
constructor (props) {
// Pass `props` into scope.
super(props)
// Bind context.
bind(this)
// Get default state.
this.defaultState()
}
// Set default state.
defaultState () {
// Props.
const {
id = unique(),
value = ''
} = this.props
this.state = {
id,
value,
oldValue: value
}
}
// Update state.
static getDerivedStateFromProps (props = {}, state = {}) {
// Props.
const { value } = props
// State.
const { oldValue } = state
// Set in conditional.
let newState = null
// Update?
if (
exists(value) &&
value !== oldValue
) {
newState = {
value,
oldValue: value
}
}
// Expose object.
return newState
}
// Change event.
handleChange (e = {}) {
// Get element.
const {
currentTarget: el = {}
} = e
// Get value.
const {
value = ''
} = el
// Update state.
this.setState({ value })
// Callback.
this.props.handleChange(e, value)
}
// Build list.
buildList () {
// Props.
const { options } = this.props
// Build list.
const list = options.map((o = {}, i) => {
// Peel apart.
const {
name,
value
} = o
// Expose UI.
return (
<option
key={i}
value={value}
>
{name}
</option>
)
})
// Expose array.
return list
}
// Render method.
render () {
// State.
const {
id,
value
} = this.state
// Props.
const {
autofocus,
classNameForAbbr,
classNameForError,
classNameForInput,
classNameForLabel,
disabled,
errorMessage,
label,
name,
readonly,
required,
styleForAbbr,
styleForError,
styleForInput,
styleForLabel,
width
} = this.props
// Events.
const { handleChange } = this
// Build class name.
let className = [
't7-select',
classNameForInput
]
Eif (width === 'auto') {
className.push('t7-select--width-auto')
}
// Convert to string.
className = className.join(' ')
// Props for error.
const propsForError = {
classNameForError,
errorMessage,
styleForError
}
// Props for label.
const propsForLabel = {
classNameForAbbr,
classNameForLabel,
id,
label,
required,
styleForAbbr,
styleForLabel
}
// Props for input.
const propsForInput = {
className,
disabled,
id,
name,
required,
value,
autoFocus: autofocus,
onChange: handleChange,
readOnly: readonly,
style: styleForInput
}
// Expose UI.
return (
<React.Fragment>
<Label
{...propsForLabel}
/>
<select {...propsForInput}>
{this.buildList()}
</select>
<ErrorMessage
{...propsForError}
/>
</React.Fragment>
)
}
}
// Validation.
Select.propTypes = {
autofocus: PropTypes.bool,
classNameForAbbr: PropTypes.string,
classNameForError: PropTypes.string,
classNameForInput: PropTypes.string,
classNameForLabel: PropTypes.string,
disabled: PropTypes.bool,
id: PropTypes.string,
label: PropTypes.string,
name: PropTypes.string,
options: PropTypes.array,
readonly: PropTypes.bool,
required: PropTypes.bool,
styleForAbbr: PropTypes.object,
styleForError: PropTypes.object,
styleForInput: PropTypes.object,
styleForLabel: PropTypes.object,
width: PropTypes.string,
// Forced value.
value: PropTypes.oneOfType([
PropTypes.string,
PropTypes.number
]),
// Events.
handleChange: PropTypes.func
}
// Prop defaults.
Select.defaultProps = {
options: [],
// Events.
handleChange: () => {}
}
// Export.
export default Select
|