DrillDown with Context Menu

Shows the drilldown example with an integrated "Context Menu" to enable navigating the drill down hierarchy.

by Darth Vader

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/modules/drilldown.js"></script>
<script src="http://purdws1f295/context.js"></script>
<script>
jQuery.ajaxSettings.traditional = true;
</script>

<div id="main">
</div>

JavaScript

/* Lookup to convert Month Number to a properish month and vice versa*/
var monthLookup = ["MONTHS", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];

/* Holds commonly used data */
var SolrHelper = {
    baseURL: "http://hyrdlt3115:99/solr/solrbi/select",
    __defaultParams: {
        /*http://hyrdlt3115:99/solr/solrbi/select?q=*%3A*&fq=isi_cl_ooid:G3PQT1CZVT5W6XTP&rows=0&wt=json&indent=true&stats=true&stats.field=tot_num_amndmts&stats.field=tot_num_rewrk_agy_ntcs&stats.facet=year",*/
        q: '*:*',
        rows: '0',
        wt: 'json',
        indent: true,
        "stats.field": ['tot_num_amndmts', 'tot_num_rewrk_agy_ntcs'],
        /*"stats.facet": 'year',*/
        stats: true
    },
    __unencodedParams: [
        "fq=isi_cl_ooid:G3PQT1CZVT5W6XTP&stats.facet=year"
    ],
    getParams: function (params, unencoded) {
        var returnValue = $.param((params) ? params : this.__defaultParams);
        returnValue += (unencoded) ? "&" + unencoded.join("&") : "&" + this.__unencodedParams.join("&");
        return returnValue;
    }
}


	/**
	 * Defines a drill down object.
	 * @param chartDetails as the details of the chart (can contain a bunch of highcharts related features along with a series parser and categories parser)
	 * @param baseURL as the base URL for the service.
	 * @param customParams as the custom parameters for this object.
	 * @param next (still undefined but present to allow linking charts to their successors)
	 */
    function DrillDownMetaData(chartDetails, baseURL, customParams, next) {

        this.chartDetails = (chartDetails) ? chartDetails : {};
        this.next = (next) ? next : undefined;
        this.url = null;
        this.params = (customParams) ? customParams : SolrHelper.getParams();
        var metaRef = this;
		
		/* A common render function used by all derivatives of this object */
        this.render = function (renderer, customParams) {
      ...