47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
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{{- /*
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Renders a post's locations on a map.
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@params pc Page context.
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@params locations_data Site data of locations.
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@params locations Post locations.
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*/
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-}}
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<!-- Validation -->
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{{- if ( not ( isset . "pc" ) ) -}}
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{{- errorf "No page context passed" -}}
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{{- end -}}
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{{- if ( not ( isset . "locations_data" ) ) -}}
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{{- errorf "No location site data defined" -}}
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{{- end -}}
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{{- if ( not ( isset . "locations" ) ) -}}
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{{- errorf "No post locations defined" -}}
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{{- end -}}
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<!-- Rendering -->
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<script>
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var map = L.map('map').setView([55, -3], 13);
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L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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maxZoom: 19,
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attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
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}).addTo(map);
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var latLons = [];
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{{ $locations_leaf_nodes := partialCached "util/get_location_leaf_nodes.html" .locations_data -}}
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{{- range .locations -}}
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{{- with ( index $locations_leaf_nodes ( replaceRE `, [A-Z]+` "" . ) ) -}}
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L.marker([{{ .lat }}, {{ .lon }}]).addTo(map);
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latLons.push([{{ .lat }}, {{ .lon }}]);
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{{- else -}}
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{{- erroridf "missing-lat-lon" "Could not find lat-lon for %q" . -}}
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{{- end -}}
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{{- end }}
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map.fitBounds(latLons);
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</script>
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