mirror of https://github.com/poanetwork/quorum.git
102 lines
2.9 KiB
JavaScript
102 lines
2.9 KiB
JavaScript
// @flow
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// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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import React, {Component} from 'react';
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import withStyles from 'material-ui/styles/withStyles';
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import AppBar from 'material-ui/AppBar';
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import Toolbar from 'material-ui/Toolbar';
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import Transition from 'react-transition-group/Transition';
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import IconButton from 'material-ui/IconButton';
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import Typography from 'material-ui/Typography';
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import ChevronLeftIcon from 'material-ui-icons/ChevronLeft';
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import {DURATION} from '../common';
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// styles contains the constant styles of the component.
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const styles = {
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arrow: {
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default: {
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transition: `transform ${DURATION}ms`,
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},
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transition: {
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entered: {transform: 'rotate(180deg)'},
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},
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},
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};
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// themeStyles returns the styles generated from the theme for the component.
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const themeStyles = (theme: Object) => ({
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header: {
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backgroundColor: theme.palette.background.appBar,
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color: theme.palette.getContrastText(theme.palette.background.appBar),
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zIndex: theme.zIndex.appBar,
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},
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toolbar: {
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paddingLeft: theme.spacing.unit,
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paddingRight: theme.spacing.unit,
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},
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title: {
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paddingLeft: theme.spacing.unit,
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},
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});
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export type Props = {
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classes: Object, // injected by withStyles()
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opened: boolean,
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switchSideBar: () => void,
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};
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// Header renders the header of the dashboard.
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class Header extends Component<Props> {
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shouldComponentUpdate(nextProps) {
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return nextProps.opened !== this.props.opened;
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}
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// arrow renders a button, which changes the sidebar's state.
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arrow = (transitionState: string) => (
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<IconButton onClick={this.props.switchSideBar}>
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<ChevronLeftIcon
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style={{
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...styles.arrow.default,
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...styles.arrow.transition[transitionState],
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}}
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/>
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</IconButton>
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);
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render() {
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const {classes, opened} = this.props;
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return (
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<AppBar position='static' className={classes.header}>
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<Toolbar className={classes.toolbar}>
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<Transition mountOnEnter in={opened} timeout={{enter: DURATION}}>
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{this.arrow}
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</Transition>
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<Typography type='title' color='inherit' noWrap className={classes.title}>
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Go Ethereum Dashboard
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</Typography>
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</Toolbar>
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</AppBar>
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);
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}
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}
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export default withStyles(themeStyles)(Header);
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