// model that works with Yahoo Search APIdojo.declare("dojox.grid.data.yahooSearch", dojox.grid.data.dynamic, 	function(inFields, inData, inSearchNode) {		this.rowsPerPage = 20;		this.searchNode = inSearchNode;		this.fieldNames = [];		for (var i=0, f; (f=inFields[i]); i++)			this.fieldNames.push(f.name);	}, {	// server send / receive	encodeParam: function(inName, inValue) {		return dojo.string.substitute('&${0}=${1}', [inName, inValue]);	},	getQuery: function() {		return dojo.byId(this.searchNode).value.replace(/ /g, '+');	},	getParams: function(inParams) {		var url = this.url;		url += '?appid=foo';		inParams = inParams || {};		inParams.output = 'json';		inParams.results = this.rowsPerPage;		inParams.query = this.getQuery();		for (var i in inParams)			if (inParams[i] != undefined)				url += this.encodeParam(i, inParams[i]);		return url;	},	send: function(inAsync, inParams, inOnReceive, inOnError) {		var			p = this.getParams(inParams),			d = dojo.xhrPost({				url: "support/proxy.php",				content: {url: p },				contentType: "application/x-www-form-urlencoded; charset=utf-8",				handleAs: 'json-comment-filtered',				sync: !inAsync			});			d.addCallbacks(dojo.hitch(this, "receive", inOnReceive, inOnError), dojo.hitch(this, "error", inOnError));		this.onSend(inParams);		return d;	},	receive: function(inOnReceive, inOnError, inData) {		try {			inData = inData.ResultSet;			inOnReceive(inData);			this.onReceive(inData);		} catch(e) {			if (inOnError)				inOnError(inData);		}	},	error: function(inOnError, inErr) {		var m = 'io error: ' + inErr.message;		alert(m);		if (inOnError)			inOnError(m);	},	fetchRowCount: function(inCallback) {		this.send(true, inCallback );	},	// request data 	requestRows: function(inRowIndex, inCount)	{		inRowIndex = (inRowIndex == undefined ? 0 : inRowIndex);		var params = { 			start: inRowIndex + 1		}		this.send(true, params, dojo.hitch(this, this.processRows));	},	// server callbacks	processRows: function(inData) {		for (var i=0, l=inData.totalResultsReturned, s=inData.firstResultPosition; i<l; i++) {			this.setRow(inData.Result[i], s - 1 + i);		}		// yahoo says 1000 is max results to return		var c = Math.min(1000, inData.totalResultsAvailable);		if (this.count != c) {			this.setRowCount(c);			this.allChange();			this.onInitializeData(inData);		}	},	getDatum: function(inRowIndex, inColIndex) {		var row = this.getRow(inRowIndex);		var field = this.fields.get(inColIndex);		return (inColIndex == undefined ? row : (row ? row[field.name] : field.na));	},	// events	onInitializeData: function() {	},	onSend: function() {	},	onReceive: function() {	}});// reportmodelChange = function() {	var n = dojo.byId('rowCount');	if (n)		n.innerHTML = dojo.string.substitute('about ${0} row(s)', [model.count]);}// some data formattersgetCellData = function(inCell, inRowIndex, inField) {	var m = inCell.grid.model;	return m.getDatum(inRowIndex, inField);}formatLink = function(inData, inRowIndex) {	if (!inData)		return '&nbsp;';	var text = getCellData(this, inRowIndex, this.extraField);	return dojo.string.substitute('<a target="_blank" href="${href}">${text}</a>', {href: inData, text: text });};formatImage = function(inData, inRowIndex) {	if (!inData)		return '&nbsp;';	var info = getCellData(this, inRowIndex, this.extraField);	var o = {		href: inData, 		src: info.Url,		width: info.Width,		height: info.Height	}	return dojo.string.substitute('<a href="${href}" target="_blank"><img border=0 src="${src}" width="${width}" height="${height}"></a>', o);};formatDate = function(inDatum, inRowIndex) {	if (!inDatum)		return '&nbsp;';	var d = new Date(inDatum * 1000);	return dojo.string.substitute("${0}/${1}/${2}",[d.getMonth()+1, d.getDate(), d.getFullYear()])};formatDimensions = function(inData, inRowIndex) {	if (!inData)		return '&nbsp;';	var w = inData, h = getCellData(this, inRowIndex, this.extraField);	return w + ' x ' + h;}