openethereum/js/src/views/Web/AddressBar/addressBar.js

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// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
import React, { Component, PropTypes } from 'react';
import Refresh from 'material-ui/svg-icons/navigation/refresh';
import Close from 'material-ui/svg-icons/navigation/close';
import Subdirectory from 'material-ui/svg-icons/navigation/subdirectory-arrow-left';
import { Button } from '~/ui';
const KEY_ESC = 27;
const KEY_ENTER = 13;
export default class AddressBar extends Component {
static propTypes = {
className: PropTypes.string,
isLoading: PropTypes.bool.isRequired,
onChange: PropTypes.func.isRequired,
onRefresh: PropTypes.func.isRequired,
url: PropTypes.string.isRequired
};
state = {
currentUrl: this.props.url
};
componentWillReceiveProps (nextProps) {
if (this.props.url === nextProps.url) {
return;
}
this.setState({
currentUrl: nextProps.url
});
}
isPristine () {
return this.state.currentUrl === this.props.url;
}
render () {
const { isLoading } = this.props;
const { currentUrl } = this.state;
const isPristine = this.isPristine();
return (
<div className={ this.props.className }>
<Button
disabled={ isLoading }
icon={
isLoading
? <Close />
: <Refresh />
}
onClick={ this.onGo }
/>
<input
onChange={ this.onUpdateUrl }
onKeyDown={ this.onKey }
type='text'
value={ currentUrl }
/>
<Button
disabled={ isPristine }
icon={ <Subdirectory /> }
onClick={ this.onGo }
/>
</div>
);
}
onUpdateUrl = (ev) => {
this.setState({
currentUrl: ev.target.value
});
};
onKey = (ev) => {
const key = ev.which;
if (key === KEY_ESC) {
this.setState({
currentUrl: this.props.url
});
return;
}
if (key === KEY_ENTER) {
this.onGo();
return;
}
};
onGo = () => {
if (this.isPristine()) {
this.props.onRefresh();
} else {
this.props.onChange(this.state.currentUrl);
}
};
}