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import './style.scss';
import { Netmask } from 'netmask';
import React, { Component } from 'react';
import ReactDOM from 'react-dom';
class IPAddress extends Component {
constructor(props) {
super(props);
this.state = {
octets: [10, 88, 135, 144],
cidr: 28
};
this.handleChange = this.handleChange.bind(this);
this.handleKeyDown = this.handleKeyDown.bind(this);
this.handlePaste = this.handlePaste.bind(this);
this.handleWheel = this.handleWheel.bind(this);
}
handleChange(event) {
var octets = this.state.octets;
var val = +event.target.value.replace(/[^0-9]/g, '');
var octet = event.target.attributes['data-octet'].value;
if (octet == 'cidr') {
if (val <= 32) {
this.setState({
cidr: val
});
}
} else {
if (val <= 255) {
octets[+octet] = val;
this.setState({
octets: octets
});
}
}
}
handleKeyDown(event) {
var lowerOctetValue = 0;
var higherOctetValue = event.target.dataset.octet === 'cidr' ? 32 : 255;
if (event.key === 'ArrowDown' && event.target.value > lowerOctetValue) {
event.target.value = +event.target.value - 1;
this.handleChange(event);
}
if (event.key === 'ArrowUp' && event.target.value < higherOctetValue) {
event.target.value = +event.target.value + 1;
this.handleChange(event);
}
if (event.key === '.') {
event.preventDefault()
var octet_input = event.target.parentNode.nextSibling.firstChild
if (octet_input instanceof HTMLInputElement) {
octet_input.select()
octet_input.focus()
}
}
if (event.key === '/') {
event.preventDefault()
var mask_input = event.target.parentNode.nextSibling
if (mask_input instanceof HTMLInputElement) {
mask_input.select()
mask_input.focus()
}
}
}
handlePaste(event) {
const pasteText = event.clipboardData.getData('Text');
var details = new Netmask(pasteText);
const cidrParts = details.toString().split('/');
var octets = this.state.octets;
const octetParts = cidrParts[0].split('.');
octetParts.map((octet, i) => {
octets[i] = octet;
})
this.setState({
octets: octets
});
if (+cidrParts[1] <= 32) {
this.setState({
cidr: +cidrParts[1]
});
}
}
handleWheel(event) {
var lowerOctetValue = 0;
var higherOctetValue = event.target.dataset.octet === 'cidr' ? 32 : 255;
if (event.deltaY > 0 && event.target.value > lowerOctetValue) {
event.target.value = +event.target.value - 1;
this.handleChange(event);
}
if (event.deltaY < 0 && event.target.value < higherOctetValue) {
event.target.value = +event.target.value + 1;
this.handleChange(event);
}
}
getPretty() {
return this.state.octets.join('.') + '/' + this.state.cidr;
}
render() {
var details = new Netmask(this.getPretty());
return (
<div className="ip-address">
<div className="address">
{[...Array(4)].map((x, octet) => (
<span className="octet">
<input
className="octet"
type="text"
data-octet={octet}
aria-label={"octet "+ octet}
onChange={this.handleChange}
onKeyDown={this.handleKeyDown}
onPaste={this.handlePaste}
onWheel={this.handleWheel}
value={this.state.octets[octet]}
/>
<span className="dot">{octet == '3' ? '/' : '.'}</span>
</span>
))}
<input
className="cidr"
type="text"
data-octet="cidr"
aria-label="cidr mask"
onChange={this.handleChange}
onKeyDown={this.handleKeyDown}
onPaste={this.handlePaste}
onWheel={this.handleWheel}
value={this.state.cidr}
/>
</div>
<div className="bits">
<ol>
{[...Array(4)].map((x, octet) => (
<li className="octet">
<ol>
{[...Array(8)].map((x, bit) => (
<li
className={
octet * 8 + bit > this.state.cidr - 1
? 'bit masked'
: 'bit unmasked'
}
>
{(this.state.octets[octet] & (1 << (7 - bit))) >>
(7 - bit)}
</li>
))}
</ol>
</li>
))}
</ol>
</div>
<div className="details">
<span className="netmask">
<span className="value">{details.mask}</span>
<span className="label">Netmask</span>
</span>
<span className="base">
<span className="value">{details.base}</span>
<span className="label">CIDR Base IP</span>
</span>
<span className="broadcast">
<span className="value">{details.broadcast}</span>
<span className="label">Broadcast IP</span>
</span>
<span className="count">
<span className="value">{details.size.toLocaleString()}</span>
<span className="label">Count</span>
</span>
</div>
<div className="break">
</div>
<div className="usable">
<span className="first">
<span className="value">{details.first}</span>
<span className="label">First Usable IP</span>
</span>
<span className="last">
<span className="value">{details.last}</span>
<span className="label">Last Usable IP</span>
</span>
</div>
</div>
);
}
}
ReactDOM.render(<IPAddress />, document.getElementById('app'));
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