mirror of
https://github.com/openmhz/trunk-server.git
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First Commit
This commit is contained in:
Luke Berndt
384
frontend/src/client/Main/Main.js
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384
frontend/src/client/Main/Main.js
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import React, { Component } from "react";
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import ReactDOM from "react-dom";
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import { Link } from 'react-router-dom'
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import SystemCard from "../System/SystemCard";
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import "./Main.css";
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import {
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Button,
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Card,
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Container,
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Divider,
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Grid,
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Header,
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Icon,
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Image,
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List,
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Menu,
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Responsive,
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Segment,
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Sidebar,
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Transition,
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Visibility,
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} from 'semantic-ui-react'
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/* eslint-disable react/no-multi-comp */
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/* Heads up! HomepageHeading uses inline styling, however it's not the best practice. Use CSS or styled components for
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* such things.
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*/
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const HomepageHeading = ({ mobile }) => (
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<Container text style={{paddingBottom: '0px'}} >
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<Header
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as='h1'
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content='Share the Air'
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style={{
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fontSize: mobile ? '2em' : '4em',
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color: "#FFF",
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fontWeight: 'normal',
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marginBottom: 0,
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marginTop: mobile ? '1.5em' : '0em',
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}}
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/>
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<Header
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as='h2'
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content='Listen to Police and Fire radio from across the US'
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style={{
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fontSize: mobile ? '1.5em' : '1.7em',
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color: "#FFF",
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fontWeight: 'normal',
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marginTop: mobile ? '0.5em' : '1.5em',
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marginBottom: mobile ? '0.5em' : '0em',
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}}
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/>
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</Container>
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)
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var site_name = process.env['SITE_NAME'] != null ? process.env['SITE_NAME'] : "OpenMHz";
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/*
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HomepageHeading.propTypes = {
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mobile: PropTypes.bool,
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}
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*/
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/* Heads up!
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* Neither Semantic UI nor Semantic UI React offer a responsive navbar, however, it can be implemented easily.
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* It can be more complicated, but you can create really flexible markup.
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*/
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class DesktopContainer extends Component {
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state = {}
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hideFixedMenu = () => this.setState({ fixed: false })
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showFixedMenu = () => this.setState({ fixed: true })
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render() {
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const { children } = this.props
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const { fixed } = this.state
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return (
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<Responsive minWidth={Responsive.onlyTablet.minWidth}>
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<div className="relative">
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<div className="static-gradient blue absolute z-0" >
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<div className="static-gradient-bg absolute z-5"></div>
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</div>
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<Segment
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textAlign='center'
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style={{ padding: '1em 0em',
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borderBottom: '0px',
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boxShadow: 'none',
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height: '400px'
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}}
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vertical
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>
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<Menu
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fixed={fixed ? 'top' : null}
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inverted={true}
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pointing={false}
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secondary={true}
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size='huge'
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style={{ marginRight: '0px'}}
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>
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<Container>
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<Menu.Item ><Header as='h3' inverted>{site_name}</Header></Menu.Item>
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<Link to="/systems"><Menu.Item link >Listen</Menu.Item></Link>
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<Link to="/about"><Menu.Item link >About</Menu.Item></Link>
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</Container>
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</Menu>
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<HomepageHeading />
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</Segment>
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</div>
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{children}
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</Responsive>
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)
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}
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}
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/*
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DesktopContainer.propTypes = {
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children: PropTypes.node,
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}
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*/
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class MobileContainer extends Component {
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state = {}
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handlePusherClick = () => {
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const { sidebarOpened } = this.state
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if (sidebarOpened) this.setState({ sidebarOpened: false })
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}
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handleToggle = () => this.setState({ sidebarOpened: !this.state.sidebarOpened })
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render() {
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const { children } = this.props
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const { sidebarOpened } = this.state
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return (
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<Responsive maxWidth={Responsive.onlyMobile.maxWidth}>
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<Sidebar.Pushable>
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<Sidebar as={Menu} animation='uncover' inverted vertical visible={sidebarOpened} id="menu-bar">
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<Menu.Item active>
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Home
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</Menu.Item>
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<Menu.Item ><Link to="/systems">Systems</Link></Menu.Item>
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<Menu.Item ><Link to="/about">About</Link></Menu.Item>
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</Sidebar>
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<Sidebar.Pusher
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dimmed={sidebarOpened}
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onClick={this.handlePusherClick}
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style={{ minHeight: '100vh' }}
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>
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<div className='relative'>
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<div className="static-gradient blue absolute z-0">
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<div className="static-gradient-bg absolute"></div>
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</div>
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<Segment
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textAlign='center'
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style={{ minHeight: 350, padding: '1em 0em',
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borderBottom: '0px',
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boxShadow: 'none',
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height: '300px'}}
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vertical
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>
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<Container>
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<Menu inverted secondary size='large'>
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<Menu.Item onClick={this.handleToggle}>
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<Icon name='sidebar' />
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</Menu.Item>
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<Menu.Item header>{site_name}</Menu.Item>
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</Menu>
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</Container>
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<HomepageHeading mobile />
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</Segment>
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</div>
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{children}
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</Sidebar.Pusher>
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</Sidebar.Pushable>
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</Responsive>
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)
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}
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}
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/*
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MobileContainer.propTypes = {
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children: PropTypes.node,
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}
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*/
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const ResponsiveContainer = ({ children }) => (
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<div>
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<DesktopContainer>{children}</DesktopContainer>
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<MobileContainer>{children}</MobileContainer>
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</div>
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)
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// ----------------------------------------------------
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const requestMessageStyle = {
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color: "red"
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};
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function SystemList(props) {
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const systems = props.systems;
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const listItems = numbers.map((number) =>
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<li>{number}</li>
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);
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return (
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<ul>{listItems}</ul>
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);
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}
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// ----------------------------------------------------
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class Main extends Component {
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constructor(props) {
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super(props);
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this.advanceSystem = this.advanceSystem.bind(this);
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var activeSystems = []
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if (props.system) {
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activeSystems = props.system.items.filter(system =>{
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if (system.active) {return true}
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return false;
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});
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}
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this.state = { duration: 500, visible: true, currentSystem: 0, activeSystems}
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}
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handleChange = (e, { name, value }) => this.setState({ [name]: value })
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handleVisibility = () => this.setState({ visible: !this.state.visible })
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advanceSystem() {
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var currentSystem = this.state.currentSystem + 1;
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if (currentSystem > this.state.activeSystems.length) {
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currentSystem = 0;
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}
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this.setState({ visible: !this.state.visible, currentSystem });
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}
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componentWillUpdate(nextProps) {
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if (nextProps.system.items && (nextProps.system.items !== this.props.system.items)) {
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const activeSystems = nextProps.system.items.filter(system =>{
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if (system.active) {return true}
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return false;
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});
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this.setState({activeSystems});
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}
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}
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componentDidMount() {
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this.props.fetchSystems();
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this.interval = setInterval(() => this.advanceSystem(), 3000);
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}
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componentWillUnmount() {
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clearInterval(this.interval);
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}
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//https://stackoverflow.com/questions/36559661/how-can-i-dispatch-from-child-components-in-react-redux
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//https://stackoverflow.com/questions/42597602/react-onclick-pass-event-with-parameter
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render() {
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const system = this.state.activeSystems[this.state.currentSystem];
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var clientCount = "";
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var callAvg = "";
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if (system) {
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if (system.callAvg) {
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callAvg = Math.round( system.callAvg * 10) / 10 + " call/min avg"
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}
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if (system.clientCount == 1 ) {
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clientCount = "1 listener";
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} else if (system.clientCount > 1 ) {
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clientCount = system.clientCount + " listners"
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}
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}
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return (
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<ResponsiveContainer>
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<div style={{ top: '-120px', position: 'relative' }}>
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<Segment style={{ padding: ' 0em', height: '350px', backgroudColor: '#FFF'}} vertical>
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<Grid columns='equal' stackable textAlign='center' style={{ height: '350px', marginRight: '0px' }}>
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<Grid.Row textAlign='center'>
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<Grid.Column style={{ paddingBottom: '4em', paddingTop: '2em', maxWidth: 450 }}>
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{ system && (<Transition visible={this.state.visible} animation='pulse' duration={500}>
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<SystemCard keepShort={true} system={system} key={system.shortName} onClick={(e) => this.props.changeUrl("/system/" + system.shortName)}/>
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</Transition>)}
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</Grid.Column>
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<Grid.Column style={{ paddingBottom: '0em', paddingTop: '6em', maxWidth: 450 }}>
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<Link to="/systems">
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<Button primary size='huge' id="listen" animated>
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<Button.Content visible><Icon name='headphones' />
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<Icon name='right arrow' /></Button.Content>
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<Button.Content hidden>Listen</Button.Content>
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</Button>
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</Link>
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</Grid.Column>
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</Grid.Row>
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</Grid>
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</Segment>
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<Segment style={{ padding: '0em' }} vertical>
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<Grid celled='internally' columns='equal' stackable>
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<Grid.Row textAlign='center'>
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<Grid.Column style={{ paddingBottom: '5em', paddingTop: '5em' }}>
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<Header as='h3' style={{ fontSize: '2em' }}>
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<Icon color='orange' name='list' />All The Calls
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</Header>
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<p style={{ fontSize: '1.33em' }}>Every call, on every talkgroup is recorded</p>
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</Grid.Column>
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<Grid.Column style={{ paddingBottom: '5em', paddingTop: '5em' }}>
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<Header as='h3' style={{ fontSize: '2em' }}>
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<Icon color='orange' name='checked calendar' />
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Go back in time
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</Header>
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<p style={{ fontSize: '1.33em' }}>
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Missed a call? Not a problem, everything is archived!
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</p>
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</Grid.Column>
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</Grid.Row>
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</Grid>
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</Segment>
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<Segment style={{ padding: '8em 0em' }} vertical>
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<Container text>
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<Header as='h3' style={{ fontSize: '2em' }}>
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Don't just scan, hear it all!
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</Header>
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<p style={{ fontSize: '1.33em' }}>
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Most large cities use trunked radio systems to get the most use out of their assigned radio spectrum. With trunked systems, the transmission are constantly hopping to different frequencies. Using a cheap Software Defined Radio (SDR), it is possible capture all of the transmission on a system.
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Instead of scanning to a single frequency, SDR capturea wide swathes of spectrum, covering all of the frequencies a system could use.
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</p>
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<Divider
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as='h4'
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className='header'
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horizontal
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style={{ margin: '3em 0em', textTransform: 'uppercase' }}
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>
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Get Involved
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</Divider>
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<Header as='h3' style={{ fontSize: '2em' }}>
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Want to record your local radio system?
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</Header>
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<p style={{ fontSize: '1.33em' }}>
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Join us! Record a local radio system and share it with the world. If you have a spare computer, it is easy to get started. With a $25 SDR or two, you can capture an entire system.
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It does take a little bit of work to get things setup, but we are here to help and answer questions.
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</p>
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<a href="https://github.com/robotastic/trunk-recorder/blob/master/README.md">
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<Button size='large'>
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Learn More
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</Button>
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</a>
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</Container>
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</Segment>
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</div>
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<Segment inverted vertical style={{ padding: '5em 0em' }} id="footer">
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<Container>
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<Grid divided inverted stackable>
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<Grid.Row>
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<Grid.Column width={6}>
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</Grid.Column>
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<Grid.Column width={4}>
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<Header as='h4' inverted>
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The End <Icon name='rocket' />
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</Header>
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</Grid.Column>
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<Grid.Column width={6}>
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</Grid.Column>
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</Grid.Row>
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</Grid>
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</Container>
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</Segment>
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</ResponsiveContainer>);
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}
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}
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export default Main;
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Block a user