geojsonmap plugin for Craft CMS 3.x

A craft cms 3 field plugin to draw Leaflet Maps.

Requirements

This plugin requires Craft CMS 3.0.0-beta.23 or later.

Installation

To install the plugin, follow these instructions.

1. Open your terminal and go to your Craft project:

    cd /path/to/project
   

2. Then tell Composer to load the plugin:

    composer require vardump/geojsonmap
   

3. In the Control Panel, go to Settings → Plugins and click the “Install” button for geojsonmap.

Display in frontend

<link href="https://unpkg.com/leaflet@1.4.0/dist/leaflet.css" rel="stylesheet"/>
<script src="https://unpkg.com/leaflet@1.4.0/dist/leaflet.js"></script>
                
<div id="map" style="height: 500px;"></div>  
<div id="geojson" style="display: none">{{ entry.geojsonField }}</div>

<script>
// Create the map
var map = L.map(document.getElementById('map')).setView([47.9034, 8.10577], 10);
  
// Set up the OSM layer
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: 'Data ©<a href="http://osm.org/copyright">OpenStreetMap</a>',
    maxZoom: 18
}).addTo(map);

// Create featureGroup
var layer = L.featureGroup().addTo(map);

// Draw Geojson
var geojson = document.getElementById('geojson');
if (geojson.innerHTML) {
    var geojsonLayer = L.geoJson(JSON.parse(geojson.innerHTML))
    geojsonLayer.eachLayer(function (l) {
      layer.addLayer(l)
    })
    map.fitBounds(layer.getBounds())
}
</script>                           

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