React-Leaflet Sidebar-v2

A react-leaflet plugin for leaflet-sidebar-v2 (which is a leaflet-only fork of sidebar-v2)

The twist is the implementation of sidebar-v2 isn't very compatible with React, so this plugin actually renders all markup via React, including event handling, and just leverages the CSS from sidebar-v2.

Getting Started

You will need to include the sidebar-v2 css in your page somehow, for example via a CDN. The close icons default to fontawesome, so this will also need to be included.

You will typically include Sidebar as a sibling component of react-leaflet Map, contained in a wrapper div so the sidebar is positioned relative to the map, with whatever Tab children are required for your layout. This is because of event handling: if the sidebar is a child of the map element, events will bubble up and be handled by leaflet first (this is because React events are actually handled by a single handler at the document root, so they will always bubble up through leaflet first). A previous commit (a9156e8bb7) attempted to solve this by disabling native events at the sidebar root, but I found too many complications. If anyone solves this I would love a PR!

The Sidebar component is stateless; all state information should be passed as props, and desired state changes communicated upwards via the onOpen and onClose callback. A minimal example might look like the following (also note that to work with the default css, the Map needs a sidebar-map class, and the Sidebar needs to be before the Map):

import React, { Component } from 'react';
import { Map, TileLayer } from 'react-leaflet';
import { Sidebar, Tab } from 'react-leaflet-sidebarv2';

export default class SidebarExample extends Component {
  constructor(props) {
    super(props);
    this.state = {
      collapsed: false,
      selected: 'home'
    };
  }

  onClose() {
    this.setState({ collapsed: true });
  }
  onOpen(id) {
    this.setState({
      collapsed: false,
      selected: id
    });
  }

  render() {
    return (
      <div>
        <Sidebar
          id="sidebar"
          collapsed={this.state.collapsed}
          selected={this.state.selected}
          onOpen={this.onOpen.bind(this)}
          onClose={this.onClose.bind(this)}
        >
          <Tab id="home" header="Home" icon="fa fa-home">
            <p>No place like home!</p>
          </Tab>
          <Tab id="settings" header="Settings" icon="fa fa-cog" anchor="bottom">
            <p>Settings dialogue.</p>
          </Tab>
        </Sidebar>
        <Map
          className="sidebar-map"
          center={[51.505, -0.09]}
          zoom={13}
          zoomControl={false}
        >
          <TileLayer
            attribution='&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
            url="http://{s}.tile.osm.org/{z}/{x}/{y}.png"
          />
        </Map>
      </div>
    );
  }
}

API

Sidebar

id: String Required ID of sidebar
position: String position of sidebar. Values: "left", "right"
collapsed: Boolean initial collapsed state
selected: String ID of selected tab
closeIcon: String/Component Required Icon for close button, E.g. "fa fa-times", or React component
onOpen: Func Event
onClose: Func Event

Tab

id: String Required ID of tab for use with state
header: String Required Title of tab
icon: String/Component Required Icon for the tab E.g. "fa fa-cog", or React component
anchor: String Fix tab to top or bottom. Values: "top", "bottom"
active: Boolean Initial active state
disabled: Boolean

condense/react-leaflet-sidebarv2

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