JSOM Paging and BCS

JSOM_BCS

var $1_10_2 = jQuery.noConflict();

(function( $, undefined ) {
	var $formTable = null,
		results = [],
		queryPosition = null
	;

	// Why wait for the DOM to be ready?
	ExecuteOrDelayUntilScriptLoaded($.noop, "sp.js");

	$(document).ready(function() {
		$formTable = $(".ms-formtable").eq(0);
		ExecuteOrDelayUntilScriptLoaded(retrieveListItems, "sp.js");
	});

	function retrieveListItems() {
		var cachedItems = localStorage.getItem("pl-listItems");
		if(cachedItems) {
			results = JSON.parse(cachedItems);
			renderTypeAhead(results);
		} else {
			queryList();
		}
	}

	function queryList() {
		var query = "<View>" +
				"<Query><Neq><FieldRef Name='VendorID' /><Value Type='Text'>0</Value></Neq></Query>" +
				"<OrderBy><FieldRef Name='VendorID' Ascending='True' /></OrderBy>" +
				"<RowLimit>5</RowLimit>" +
				"<ViewFields><FieldRef Name='BdcIdentity' /><FieldRef Name='Name' /><FieldRef Name='VendorID' /><FieldRef Name='City' /></ViewFields>" +
			"</View>"
	    ;
		var clientContext = new SP.ClientContext.get_current();
		var oList = clientContext.get_web().get_lists().getByTitle("BCS Vendor List");
		var camlQuery = new SP.CamlQuery();

		camlQuery.set_viewXml(query);
		camlQuery.set_listItemCollectionPosition(queryPosition);

		var collListItem = oList.getItems(camlQuery);
		clientContext.load(collListItem);

		clientContext.executeQueryAsync(
			onQuerySucceeded.bind(collListItem),
			onQueryFailed
		);
	}

	function onQuerySucceeded() {
		var items = this.get_data();
		var item = null;

		while (item = items.shift()) {
			item = item.get_fieldValues();

			results.push({
				"name": item.Name,
				"vendorId": item.VendorID,
				"city": item.City,
				"bdcId": item.BdcIdentity,
				"value": item.Name,
				"tokens": [ item.Name, item.VendorID ]
			});
		}

		// console.log(results.length);
		queryPosition = this.get_listItemCollectionPosition() && this.get_listItemCollectionPosition().get_pagingInfo();

		if(queryPosition) {
			queryList();
		} else {
			localStorage.setItem("pl-listItems", JSON.stringify(results));
			renderTypeAhead(results);
		}
	}

	function onQueryFailed(sender, args) {
		alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
	}
}( $1_10_2 ));