earthquakeWDC.js

(function () {
    var myConnector = tableau.makeConnector();

    myConnector.getSchema = function (schemaCallback) {
    var cols = [{
        id: "id",
        dataType: tableau.dataTypeEnum.string
    }, {
        id: "mag",
        alias: "magnitude",
        dataType: tableau.dataTypeEnum.float
    }, {
        id: "title",
        alias: "title",
        dataType: tableau.dataTypeEnum.string
    }, {
        id: "location",
        dataType: tableau.dataTypeEnum.geometry
    }];

    var tableSchema = {
        id: "earthquakeFeed",
        alias: "Earthquakes with magnitude greater than 4.5 in the last seven days",
        columns: cols
    };

    schemaCallback([tableSchema]);
    };

    myConnector.getData = function (table, doneCallback) {
        $.getJSON("https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/4.5_week.geojson", function(resp) {
            var feat = resp.features,
                tableData = [];

            // Iterate over the JSON object
            for (var i = 0, len = feat.length; i < len; i++) {
                tableData.push({
                    "id": feat[i].id,
                    "mag": feat[i].properties.mag,
                    "title": feat[i].properties.title,
                    "location": feat[i].geometry
                });
            }

            table.appendRows(tableData);
            doneCallback();
        });
    };

    tableau.registerConnector(myConnector);
    
    
})();


    $(document).ready(function () {
        $("#submitButton").click(function () {
            tableau.connectionName = "USGS Earthquake Feed";
            tableau.submit();
        });
    });