YUI Library Examples: DataTable Control: JSON Data Over XHR

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Sample Code for this Example

Data:

{"ResultSet":{
    "totalResultsAvailable":665,
    "totalResultsReturned":10,
    "firstResultPosition":1,
    "ResultSetMapUrl":"http:\/\/local.yahoo.com\/mapview?stx=pizza&csz=Sunnyvale%2C+CA+94089&city=Sunnyvale&state=CA&radius=15&ed=9brhZa131DwigChqKlCo22kM1H_9WgoouCr87Ao-",
    "Result":[{
        "Title":"Pizza Depot",
        "Address":"919 E Duane Ave",
        "City":"Sunnyvale",
        "State":"CA",
        "Phone":"(408) 245-7760",
        "Latitude":"37.388537",
        "Longitude":"-122.003972",
        "Rating":{
            "AverageRating":"3.5",
            "TotalRatings":"5",
            "TotalReviews":"5",
            "LastReviewDate":"1161495667"},
        "Distance":"0.93",
        "Url":"http:\/\/local.yahoo.com\/details?id=21332021&stx=pizza&csz=Sunnyvale+CA&ed=6tiAL6160Sx1XVIEu1zIWPu6fD8rJDV4.offJLNUTb1Ri2Q.R5oLTYvDCz8YmzivI7Bz0gfrpw--",
        "ClickUrl":"http:\/\/local.yahoo.com\/details?id=21332021&stx=pizza&csz=Sunnyvale+CA&ed=6tiAL6160Sx1XVIEu1zIWPu6fD8rJDV4.offJLNUTb1Ri2Q.R5oLTYvDCz8YmzivI7Bz0gfrpw--",
        "MapUrl":"http:\/\/maps.yahoo.com\/maps_result?name=Pizza+Depot&desc=4082457760&csz=Sunnyvale+CA&qty=9&cs=9&ed=6tiAL6160Sx1XVIEu1zIWPu6fD8rJDV4.offJLNUTb1Ri2Q.R5oLTYvDCz8YmzivI7Bz0gfrpw--&gid1=21332021",
        "BusinessUrl":"http:\/\/pizza-depot.com\/",
        "BusinessClickUrl":"http:\/\/pizza-depot.com\/"},

...
    ]}
}

CSS:

Markup:

JavaScript:

YAHOO.util.Event.addListener(window, "load", function() {
    YAHOO.example.XHR_JSON = function() {
        var formatUrl = function(elCell, oRecord, oColumn, sData) {
            elCell.innerHTML = "<a href='" + oRecord.getData("ClickUrl") + "' target='_blank'>" + sData + "</a>";
        };

var formatRating = function(elCell, oRecord, oColumn, sData) {
            elCell.innerHTML = (sData === null) ? "N/A" : YAHOO.util.Number.format(sData);
        };

var myColumnDefs = [
            {key:"Title", label:"Name", sortable:true, formatter:formatUrl},
            {key:"Phone"},
            {key:"City"},
            {key:"Rating.AverageRating", label:"Rating", formatter:formatRating, sortable:true}
        ];

var myDataSource = new YAHOO.util.DataSource("assets/php/ylocal_proxy.php?");
        myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSON;
        myDataSource.connXhrMode = "queueRequests";
        myDataSource.responseSchema = {
            resultsList: "ResultSet.Result",
            fields: ["Title","Phone","City",{key:"Rating.AverageRating",parser:"number"},"ClickUrl"]
        };

var myDataTable = new YAHOO.widget.DataTable("json", myColumnDefs,
                myDataSource, {initialRequest:"query=pizza&zip=94089&results=10&output=json"});

myDataSource.sendRequest("query=mexican&zip=94089&results=10&output=json",
                callbackObj);

myDataSource.sendRequest("query=chinese&zip=94089&results=10&output=json",
                callbackObj);

return {
            oDS: myDataSource,
            oDT: myDataTable
        };
    }();
});

Configuration for This Example

You can load the necessary JavaScript and CSS for this example from Yahoo's servers. Click here to load the YUI Dependency Configurator with all of this example's dependencies preconfigured.

YUI Logger Output:

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DataTable Control Examples:

More DataTable Control Resources:

All YUI 2.x users should review the YUI 2.8.2 security bulletin, which discusses a vulnerability present in YUI 2.4.0-2.8.1.