lsmith

// Wrapper function to create an img tag and execute a callback when it loads or
// the server returns an error (onload/onerror).  Also handles img nodes currently
// on the page, and executes the appropriate handler according to the image's state.
// Mainly useful for insurance in knowing that the dimensions are available at a
// certain point in the processing.

// First a couple helper functions
function $(id) {
    return !id || id.nodeType === 1 ? id : document.getElementById(id);
}

lsmith

new YAHOO.util.XHRDataSource(url, {
    responseType: YAHOO.util.DataSource.TYPE_JSON,
    responseSchema: {
        resultsList: 'Results',
        fields: [ 'foo', 'bar', 'baz' ]
    }
}).sendRequest(queryString, {
    // handler that will execute when the XHR returns
    success: function (req, res, payload) {
        /* here's where you access the results from res.results */

lsmith

YAHOO.util.Event.onDOMReady(function () {

var Ex = YAHOO.namespace('example');

Ex.dataSource = new YAHOO.util.DataSource(YOUR_URL,{
    responseType : YAHOO.util.DataSource.TYPE_JSON,
    responseSchema : {
        resultsList: 'records',
        fields : ['foo','bar','baz'],
        metaFields : { totalRecords: 'total' }

lsmith

YUI('lang', function (Y) {
    YAP.toQueryString = function (obj, name) {
        switch (Y.Lang.type(obj)) {
           case 'undefined':
           case 'null':
               return name ? encodeURIComponent(name) + '=' : '';

           case 'boolean': obj = +obj; // intentional fallthrough
           case 'number':
           case 'string':

lsmith

YUI.add('json-trusted', function (Y) {

function evalWrapper(str) { return eval('('+str+')'); }

Y.namespace('TrustedJSON').parse =
    (Object.prototype.toString.call(window.JSON) === '[object JSON]') ?
    function (str) {
        return /^\s*(?:"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)\s*$/.test(str) ?
            evalWrapper(str) : // FF3.5 Native does not support non-object/array input
            JSON.parse(str);

lsmith

function parseISO8601(str) {
    return new Date(str.replace(/-/,"/").
                        replace(/-/,"/").
                        replace(/T/," ").
                        replace(/Z/," UTC").
                        replace(/([\+-]\d\d)\:?(\d\d)/," $1$2")); // -04:00 -> -0400
}

lsmith

function testFont(name) {
    name = name.replace(/['"<>]/g,'');

    var body  = document.body,
        test  = document.createElement('div'),
        installed = false,
        template =
            '<b style="display:inline !important; width:auto !important; font:normal 10px/1 \'X\',sans-serif !important">ii</b>'+
            '<b style="display:inline !important; width:auto !important; font:normal 10px/1 \'X\',monospace !important">ii</b>',
        ab;

lsmith

YAHOO.my.app._dashboadCallback = function (e) {
    alert('subscriber');
    YAHOO.my.app.dashboardChangeEvent.unsubscribe(YAHOO.my.app._dashboardCallback);
};

YAHOO.my.app.dashboardChangeEvent.subscribe(YAHOO.my.app._dashboadCallback);

lsmith

// Function to convert the schema's fields into walk paths
var buildPath = function (needle) {
    var path = null, keys = [], i = 0;

    if (needle) {
        // Strip the ["string keys"] and [1] array indexes
        needle = needle.
            replace(/\[(['"])(.*?)\1\]/g,
                function (x,$1,$2) {
                    keys[i]=$2;

lsmith

YAHOO.util.Event.onDOMReady(function () {

var Ex = YAHOO.namespace('example');

YAHOO.util.Connect.asyncRequest('GET','data.php',{
    success : function (o) {
        var data = YAHOO.lang.JSON.parse(o.responseText);

        function dataMarshaller(section) {
            return data.records[section] || [];