r6d.github.io/elasticsearch.html at master · r6d/r6d.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<!-- source : http://mapcentia.github.io/examples/elasticsearch.html -->
<!-- https://github.com/mapcentia/mapcentia.github.io/blob/master/examples/elasticsearch.html -->
    <meta charset="utf-8">
    <link href="css/leaflet.css" type="text/css" rel="stylesheet">
    <link href="css/font-awesome-4.0.1.min.css" type="text/css" rel="stylesheet">
    <link href="css/leaflet.awesome-markers.css" type="text/css" rel="stylesheet">
    <link href="css/bootstrap-3.0.3.min.css" rel="stylesheet">
    <title>Spatial type-a-head with Elasticsearch</title>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <style>
        body {
            margin: 0px;
            padding: 0px;
            font: normal 15px/20px Arial, sans-serif;
            background: #fff;
        }

        #pane {
            position: fixed;
            top: 0px;
            bottom: 0px;
            right: 0px;
            width: 100%;
        }

        #map {
            position: absolute;
            width: 100%;
            transition: opacity 250ms;
            -moz-transition: opacity 250ms;
            -webkit-transition: opacity 250ms;
            height: 100%;
        }

        i {
            font-size: 80%;
        }

        .alert {
            position: relative;
            top: 5px;
            left: 5px;
            width: 300px;
        }

        #search {
            position: relative;
            width: 300px;
            left: 5px;
        }

        #tweetContainer {
            position: relative;
            width: 300px;
            left: 5px;
        }

        section {
            margin-top: 5px;
        }

        .highlighted {
            color: #0044cc;
        }

    </style>
</head>
<body>
<div id="pane">
    <div id="map"></div>
</div>

<article>
    <div class="alert alert-info">Demo showing how to make a spatial type-a-head with Elasticsearch. Only features
        within the map viewport are loaded. After typing a search try to pan/zoom the map, and the search will
        refresh.
    </div>
    <div id="search"><input class="form-control" id="search-input" name="search-input" type="text"
                            placeholder="Search in geolocated tweets"/></div>
    <div class="list-group" id="tweetContainer"></div>
</article>
</body>
<script src='js/underscore-min.js'></script>
<script src="js/raphael-min.js"></script>
<script src='js/leaflet.js'></script>
<script src="js/leaflet.awesome-markers.js"></script>
<script src="js/rlayer.js"></script>
<script src='http://us1.mapcentia.com/api/v1/baselayerjs'></script>
<script src='http://us1.mapcentia.com/api/v3/js/geocloud.js'></script>
<script>
    (function () {
        var map, input, highlighter, search, elastic, markerMap = {};

        $("input[name=search-input]").keyup(function () {
            if (!this.value) {
                $('#tweetContainer').empty();
            }
        });

        $("input[name=search-input]").on('input', _.debounce(function (e) {
            search(e.target.value)
        }, 300));

        search = function (value) {
            elastic.reset();
            if (value) {
                elastic.q = '{ "query": { "filtered": { "query": { "query_string": { "default_field": "text", "query": "' + value + '", "default_operator": "AND" } }, "filter": { "geo_bounding_box": { "geometry.coordinates": { "top_left": { "lat": {maxY}, "lon": {minX} }, "bottom_right": { "lat": {minY}, "lon": {maxX} } } } } } } }';
                elastic.load();
                $('#tweetContainer').empty();
                elastic.onLoad = function () {
                    for (var i = 0; i < this.geoJSON.features.length; i++) {
                        var tweet = this.geoJSON.features[i];
                        $('#tweetContainer').append(
                                '<section><a href="javascript:void(0)" class="list-group-item" data-tweetid=\"' +
                                        tweet.properties.gid +
                                        '">' +
                                        '<h4 class="list-group-item-heading">' +
                                        tweet.properties.user_name +
                                        '</h4>' +
                                        '<p class="list-group-item-text">' +
                                        highlighter(value, tweet.properties.text) +
                                        '</p>' +
                                        '</a></section>'
                        )
                    }
                    $('a.list-group-item').on("click", function (e) {
                        var tweetId = $(this).data('tweetid');
                        var marker = markerMap[tweetId];
                        marker.openPopup(marker.getLatLng());
                        var x = marker.feature.geometry.coordinates[1];
                        var y = marker.feature.geometry.coordinates[0];
                        var p = new R.Pulse(
                                [x, y],
                                30,
                                {'stroke': 'none', 'fill': 'none'},
                                {'stroke': '#30a3ec', 'stroke-width': 3});

                        map.map.addLayer(p);
                        setTimeout(function () {
                            map.map.removeLayer(p);
                        }, 1000);
                    });
                }
            }
        };
        highlighter = function (value, item) {
            _($.trim(value).split(' ')).each(
                    function (s) {
                        var regex = new RegExp('(' + s + ')', 'gi');
                        item = item.replace(regex, "<b class=\"highlighted\">$1</b>");
                    }
            );
            return item;
        }

        // Create a new map object in element with id 'map-div'
        map = new geocloud.map({el: "map"});
        zoomControl = L.control.zoom({
            position: 'bottomright'
        });
        map.map.addControl(zoomControl);
        map.bingApiKey = "Avt2oTtuFcQ2rzuy41B5DGydLYOxpgZaxuHkc4Ktgu6sG_6y-Ja6ncptoxbelYdx";
        map.addBaseLayer(geocloud.HERENORMALNIGHTGREY);
        map.setBaseLayer(geocloud.HERENORMALNIGHTGREY);

        map.map.fitBounds([
            [40.74504607583721, -73.93369674682617],
            [40.70315539593834, -74.05549049377441]
        ]);
        map.on("moveend", function () {
            search($("input[name=search-input]").val());
        })
        // Create a GeoJSON store
        elastic = new geocloud.elasticStore({
            db: "mydb",
            index: "ny",
            size: 20,
            onEachFeature: function (feature, layer) {
                layer.bindPopup(feature.properties['text']);
            },
            pointToLayer: function (feature, latlng) {
                var marker = L.marker(latlng,
                        {
                            zIndexOffset: 10000,
                            icon: L.AwesomeMarkers.icon(
                                    {
                                        icon: 'twitter',
                                        markerColor: 'blue',
                                        prefix: 'fa'
                                    }
                            )});
                markerMap[feature.properties.gid] = marker;
                return marker;
            }
        });
        map.addGeoJsonStore(elastic);
    })();
</script>
</html>