naksha-react-ui/lib/common/india-boundaries.js

Visualize grid heat map or layer map from elastic search or https://github.com/strandls/naksha

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = addClaimedBoundaries;
// Tweaked the code from https://github.com/mapbox/mapbox-gl-boundaries
function addClaimedBoundaries(map) {

    // Add the claimed boundaries vector source
    map.addSource('claimedboundaries', {
        type: 'vector',
        url: 'mapbox://planemad.claimedboundaries'
    });

    if (map.getLayer("admin-2-boundaries")) {
        // Style the claimed boundaries background line
        map.addLayer({
            "id": "admin-2-claimed-bg",
            "type": "line",
            "source": "claimedboundaries",
            "source-layer": "claimedboundaries",
            "minzoom": 1
        }, "admin-2-boundaries");

        ["admin-2-boundaries-bg"].forEach(function (layer) {
            pickPaintProperties("admin-2-claimed-bg", layer, ["line-color", "line-opacity", "line-width"]);
        });

        // Style the claimed boundaries line
        map.addLayer({
            "id": "admin-2-claimed",
            "type": "line",
            "source": "claimedboundaries",
            "source-layer": "claimedboundaries",
            "minzoom": 1
        }, "admin-2-boundaries");

        ["admin-2-boundaries"].forEach(function (layer) {
            pickPaintProperties("admin-2-claimed", layer, ["line-color", "line-opacity", "line-width"]);
        });

        // Filter out the disputed boundaries from the background line
        ["admin-2-boundaries-bg"].forEach(function (layer) {
            var filter = map.getFilter(layer);
            filter.push(["==", "disputed", 0]);
            map.setFilter(layer, filter);
        });
    }

    if (map.getLayer("admin_country")) {
        // Style the claimed boundaries line
        map.addLayer({
            "id": "admin-2-claimed",
            "type": "line",
            "source": "claimedboundaries",
            "source-layer": "claimedboundaries",
            "minzoom": 1
        }, "admin_country");

        ["admin_country"].forEach(function (layer) {
            pickPaintProperties("admin-2-claimed", layer, ["line-color", "line-opacity", "line-width"]);
        });

        // Filter out the disputed boundaries from the background line
        ["admin_country"].forEach(function (layer) {
            var filter = map.getFilter(layer);
            filter.push(["==", "disputed", 0]);
            map.setFilter(layer, filter);
        });
    }

    // Pick style properties from a target layer
    function pickPaintProperties(source, target, properties) {
        properties.forEach(function (prop) {
            map.setPaintProperty(source, prop, map.getPaintProperty(target, prop));
        });
    };
}