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path: root/ui/app/components/input-number.js
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const Component = require('react').Component
const h = require('react-hyperscript')
const inherits = require('util').inherits

module.exports = InputNumber

inherits(InputNumber, Component)
function InputNumber () {
  Component.call(this)

  this.state = {
    value: 0,
  }

  this.setValue = this.setValue.bind(this)
}

InputNumber.prototype.componentWillMount = function () {
  const { initValue = 0 } = this.props

  this.setState({ value: initValue })
}

InputNumber.prototype.setValue = function (newValue) {
  const { fixed, min = -1, onChange } = this.props

  if (fixed) newValue = Number(newValue.toFixed(4))

  if (newValue >= min) {
    this.setState({ value: newValue })
    onChange(newValue)
  }
}

InputNumber.prototype.render = function () {
  const { unitLabel, step = 1, placeholder } = this.props
  const { value } = this.state

  return h('div.customize-gas-input-wrapper', {}, [
    h('input.customize-gas-input', {
      placeholder,
      type: 'number',
      value,
      onChange: (e) => this.setValue(Number(e.target.value)),
    }),
    h('span.gas-tooltip-input-detail', {}, [unitLabel]),
    h('div.gas-tooltip-input-arrows', {}, [
      h('i.fa.fa-angle-up', {
        onClick: () => this.setValue(value + step),
      }),
      h('i.fa.fa-angle-down', {
        style: { cursor: 'pointer' },
        onClick: () => this.setValue(value - step),
      }),
    ]),
  ])
}