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70 lines
1.9 KiB
70 lines
1.9 KiB
const Component = require('react').Component
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const h = require('react-hyperscript')
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const inherits = require('util').inherits
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const {
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addCurrencies,
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conversionGTE,
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conversionLTE,
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subtractCurrencies,
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} = require('../conversion-util')
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module.exports = InputNumber
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inherits(InputNumber, Component)
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function InputNumber () {
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Component.call(this)
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this.setValue = this.setValue.bind(this)
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}
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function isValidInput (text) {
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const re = /^([1-9]\d*|0)(\.|\.\d*)?$/
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return re.test(text)
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}
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InputNumber.prototype.setValue = function (newValue) {
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if (newValue && !isValidInput(newValue)) return
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const { fixed, min = -1, max = Infinity, onChange } = this.props
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newValue = fixed ? newValue.toFixed(4) : newValue
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const newValueGreaterThanMin = conversionGTE(
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{ value: newValue || '0', fromNumericBase: 'dec' },
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{ value: min, fromNumericBase: 'hex' },
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)
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const newValueLessThanMax = conversionLTE(
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{ value: newValue || '0', fromNumericBase: 'dec' },
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{ value: max, fromNumericBase: 'hex' },
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)
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if (newValueGreaterThanMin && newValueLessThanMax) {
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onChange(newValue)
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} else if (!newValueGreaterThanMin) {
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onChange(min)
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} else if (!newValueLessThanMax) {
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onChange(max)
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}
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}
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InputNumber.prototype.render = function () {
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const { unitLabel, step = 1, placeholder, value = 0 } = this.props
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return h('div.customize-gas-input-wrapper', {}, [
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h('input.customize-gas-input', {
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placeholder,
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value,
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step,
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onChange: (e) => this.setValue(e.target.value),
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}),
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h('span.gas-tooltip-input-detail', {}, [unitLabel]),
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h('div.gas-tooltip-input-arrows', {}, [
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h('i.fa.fa-angle-up', {
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onClick: () => this.setValue(addCurrencies(value, step)),
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}),
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h('i.fa.fa-angle-down', {
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style: { cursor: 'pointer' },
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onClick: () => this.setValue(subtractCurrencies(value, step)),
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}),
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]),
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])
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}
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