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| var React = require('react')
var isTwelveHourTime = require('./lib/is-twelve-hour-time')
var replaceCharAt = require('./lib/replace-char-at')
var getGroupId = require('./lib/get-group-id')
var getGroups = require('./lib/get-groups')
var adder = require('./lib/time-string-adder')
var caret = require('./lib/caret')
var validate = require('./lib/validate')
var TimeInput = React.createClass({
getInitialState () {
return {}
},
getDefaultProps () {
return {
value: '12:00 AM',
defaultValue: '00:00:00:000 AM'
}
},
propTypes: {
className: React.PropTypes.string,
value: React.PropTypes.string,
onChange: React.PropTypes.func,
defaultValue: React.PropTypes.string
},
render () {
let className = 'TimeInput'
if (this.props.className) {
className += (' ' + this.props.className)
}
return (
<div className={className}>
<input
className='TimeInput-input'
ref={(input) => { this.input = input }}
type='text'
value={this.format(this.props.value)}
onChange={this.handleChange}
onBlur={this.handleBlur}
onKeyDown={this.handleKeyDown}
/>
</div>
)
},
format (val) {
if (isTwelveHourTime(val)) val = val.replace(/^00/, '12')
return val.toUpperCase()
},
componentDidMount () {
this.mounted = true
},
componentWillUnmount () {
this.mounted = false
},
componentDidUpdate () {
var index = this.state.caretIndex
if (index || index === 0) caret.set(this.input, index)
},
handleBlur () {
Eif (this.mounted) this.setState({ caretIndex: null })
},
handleEscape () {
Eif (this.mounted) this.input.blur()
},
handleTab (event) {
var start = caret.start(this.input)
var value = this.props.value
var groups = getGroups(value)
var groupId = getGroupId(start)
if (event.shiftKey) {
if (!groupId) return
groupId--
} else {
if (groupId >= (groups.length - 1)) return
groupId++
}
event.preventDefault()
var index = groupId * 3
if (this.props.value.charAt(index) === ' ') index++
Eif (this.mounted) this.setState({ caretIndex: index })
},
handleArrows (event) {
event.preventDefault()
var start = caret.start(this.input)
var value = this.props.value
var amount = event.which === 38 ? 1 : -1
if (event.shiftKey) {
amount *= 2
if (event.metaKey) amount *= 2
}
value = adder(value, getGroupId(start), amount)
this.onChange(value, start)
},
handleBackspace (event) {
event.preventDefault()
var defaultValue = this.props.defaultValue
var start = caret.start(this.input)
var value = this.props.value
var end = caret.end(this.input)
var diff = end - start
if (!diff) {
if (value[start - 1] === ':') start--
value = replaceCharAt(value, start - 1, defaultValue.charAt(start - 1))
start--
} else {
while (diff--) {
if (value[end - 1] !== ':') {
value = replaceCharAt(value, end - 1, defaultValue.charAt(end - 1))
}
end--
}
}
this.onChange(value, start)
},
handleForwardspace (event) {
event.preventDefault()
var defaultValue = this.props.defaultValue
var start = caret.start(this.input)
var value = this.props.value
var end = caret.end(this.input)
var diff = end - start
if (!diff) {
if (value[start] === ':') start++
value = replaceCharAt(value, start, defaultValue.charAt(start))
start++
} else {
while (diff--) {
Eif (value[end - 1] !== ':') {
value = replaceCharAt(value, start, defaultValue.charAt(start))
}
start++
}
}
this.onChange(value, start)
},
handleKeyDown (event) {
if (event.which === 9) return this.handleTab(event)
if (event.which === 38 || event.which === 40) return this.handleArrows(event)
if (event.which === 8) return this.handleBackspace(event)
if (event.which === 46) return this.handleForwardspace(event)
Eif (event.which === 27) return this.handleEscape(event)
},
isSeparator (char) {
return /[:\s]/.test(char)
},
handleChange (event) {
var value = this.props.value
var newValue = this.input.value
newValue += value.substr(newValue.length, value.length)
var diff = newValue.length - value.length
var end = caret.start(this.input)
var insertion
event.preventDefault()
if (diff > 0) {
var start = end - diff
insertion = newValue.slice(end - diff, end)
while (diff--) {
var oldChar = value.charAt(start)
var newChar = insertion.charAt(0)
if (this.isSeparator(oldChar)) {
Iif (this.isSeparator(newChar)) {
insertion = insertion.slice(1)
start++
} else {
start++
diff++
end++
}
} else {
value = replaceCharAt(value, start, newChar)
insertion = insertion.slice(1)
start++
}
}
newValue = value
}
Eif (validate(newValue)) {
this.onChange(newValue, end)
} else {
var caretIndex = this.props.value.length - (newValue.length - end)
if (this.mounted) this.setState({ caretIndex: caretIndex })
}
},
onChange: function (str, caretIndex) {
if (this.props.onChange) this.props.onChange(this.format(str))
Eif (this.mounted && typeof caretIndex === 'number') this.setState({ caretIndex: caretIndex })
}
})
module.exports = TimeInput
|