autocomplete-debug.js

 * @extends YAHOO.widget.DataSource
 * @param aData {String[]} In-memory Javascript array of simple string data.
 * @param oConfigs {Object} (optional) Object literal of config params.
 */
YAHOO.widget.DS_JSArray = function(aData, oConfigs) {
    // Set any config params passed in to override defaults
    if(typeof oConfigs == "object") {
        for(var sConfig in oConfigs) {
            this[sConfig] = oConfigs[sConfig];
        }
    }

    // Initialization sequence
    if(!aData || (aData.constructor != Array)) {
        YAHOO.log("Could not instantiate JSArray DataSource due to invalid arguments", "error", this.toString());
        return;
    }
    else {
        this.data = aData;
        this._init();
        YAHOO.log("JS Array DataSource initialized","info",this.toString());
    }
};

YAHOO.widget.DS_JSArray.prototype = new YAHOO.widget.DataSource();

/////////////////////////////////////////////////////////////////////////////
//
// Public member variables
//
/////////////////////////////////////////////////////////////////////////////

/**
 * In-memory Javascript array of strings.
 *
 * @property data
 * @type Array
 */
YAHOO.widget.DS_JSArray.prototype.data = null;

/////////////////////////////////////////////////////////////////////////////
//
// Public methods
//
/////////////////////////////////////////////////////////////////////////////

/**
 * Queries the live data source defined by data for results. Results are passed
 * back to a callback function.
 *
 * @method doQuery
 * @param oCallbackFn {HTMLFunction} Callback function defined by oParent object to which to return results.
 * @param sQuery {String} Query string.
 * @param oParent {Object} The object instance that has requested data.
 */
YAHOO.widget.DS_JSArray.prototype.doQuery = function(oCallbackFn, sQuery, oParent) {
    var aData = this.data; // the array
    var aResults = []; // container for results
    var bMatchFound = false;
    var bMatchContains = this.queryMatchContains;
    if(sQuery) {
        if(!this.queryMatchCase) {
            sQuery = sQuery.toLowerCase();
        }

        // Loop through each element of the array...
        // which can be a string or an array of strings
        for(var i = aData.length-1; i >= 0; i--) {
            var aDataset = [];

            if(aData[i]) {
                if(aData[i].constructor == String) {
                    aDataset[0] = aData[i];
                }
                else if(aData[i].constructor == Array) {
                    aDataset = aData[i];
                }
            }

            if(aDataset[0] && (aDataset[0].constructor == String)) {
                var sKeyIndex = (this.queryMatchCase) ?
                encodeURIComponent(aDataset[0]).indexOf(sQuery):
                encodeURIComponent(aDataset[0]).toLowerCase().indexOf(sQuery);

                // A STARTSWITH match is when the query is found at the beginning of the key string...
                if((!bMatchContains && (sKeyIndex === 0)) ||
                // A CONTAINS match is when the query is found anywhere within the key string...
                (bMatchContains && (sKeyIndex > -1))) {
                    // Stash a match into aResults[].
                    aResults.unshift(aDataset);
                }
            }
        }
    }

    this.getResultsEvent.fire(this, oParent, sQuery, aResults);
    oCallbackFn(sQuery, aResults, oParent);
};

YAHOO.register("autocomplete", YAHOO.widget.AutoComplete, {version: "2.2.0", build: "127"});