// This file is provided for backward compatibility with Rico 1.1.
// It is not used by any other module in Rico 2.x. Furthermore, it is
// recommended that you call Prototype's AJAX functions directly
// instead of using these functions. It will likely be removed in a
// future release.
Rico.AjaxEngine = Class.create();
Rico.AjaxEngine.prototype = {
initialize: function() {
this.ajaxElements = new Array();
this.ajaxObjects = new Array();
this.requestURLS = new Array();
this.options = {};
},
registerAjaxElement: function( anId, anElement ) {
if ( !anElement )
anElement = $(anId);
this.ajaxElements[anId] = anElement;
},
registerAjaxObject: function( anId, anObject ) {
this.ajaxObjects[anId] = anObject;
},
registerRequest: function (requestLogicalName, requestURL) {
this.requestURLS[requestLogicalName] = requestURL;
},
sendRequest: function(requestName, options) {
// Allow for backwards Compatibility
if ( arguments.length >= 2 )
if (typeof arguments[1] == 'string')
options = {parameters: this._createQueryString(arguments, 1)};
this.sendRequestWithData(requestName, null, options);
},
sendRequestWithData: function(requestName, xmlDocument, options) {
var requestURL = this.requestURLS[requestName];
if ( requestURL == null )
return;
// Allow for backwards Compatibility
if ( arguments.length >= 3 )
if (typeof arguments[2] == 'string')
options.parameters = this._createQueryString(arguments, 2);
new Ajax.Request(requestURL, this._requestOptions(options,xmlDocument));
},
sendRequestAndUpdate: function(requestName,container,options) {
// Allow for backwards Compatibility
if ( arguments.length >= 3 )
if (typeof arguments[2] == 'string')
options.parameters = this._createQueryString(arguments, 2);
this.sendRequestWithDataAndUpdate(requestName, null, container, options);
},
sendRequestWithDataAndUpdate: function(requestName,xmlDocument,container,options) {
var requestURL = this.requestURLS[requestName];
if ( requestURL == null )
return;
// Allow for backwards Compatibility
if ( arguments.length >= 4 )
if (typeof arguments[3] == 'string')
options.parameters = this._createQueryString(arguments, 3);
var updaterOptions = this._requestOptions(options,xmlDocument);
new Ajax.Updater(container, requestURL, updaterOptions);
},
// Private -- not part of intended engine API --------------------------------------------------------------------
_requestOptions: function(options,xmlDoc) {
var requestHeaders = ['X-Rico-Version', Rico.Version ];
var sendMethod = 'post';
if ( xmlDoc == null )
if (Rico.prototypeVersion < 1.4)
requestHeaders.push( 'Content-type', 'text/xml' );
else
sendMethod = 'get';
(!options) ? options = {} : '';
if (!options._RicoOptionsProcessed){
// Check and keep any user onComplete functions
if (options.onComplete)
options.onRicoComplete = options.onComplete;
// Fix onComplete
if (options.overrideOnComplete)
options.onComplete = options.overrideOnComplete;
else
options.onComplete = this._onRequestComplete.bind(this);
options._RicoOptionsProcessed = true;
}
// Set the default options and extend with any user options
this.options = {
requestHeaders: requestHeaders,
parameters: options.parameters,
postBody: xmlDoc,
method: sendMethod,
onComplete: options.onComplete
};
// Set any user options:
Object.extend(this.options, options);
return this.options;
},
_createQueryString: function( theArgs, offset ) {
var queryString = ""
for ( var i = offset ; i < theArgs.length ; i++ ) {
if ( i != offset )
queryString += "&";
var anArg = theArgs[i];
if ( anArg.name != undefined && anArg.value != undefined ) {
queryString += anArg.name + "=" + escape(anArg.value);
}
else {
var ePos = anArg.indexOf('=');
var argName = anArg.substring( 0, ePos );
var argValue = anArg.substring( ePos + 1 );
queryString += argName + "=" + escape(argValue);
}
}
return queryString;
},
_onRequestComplete : function(request) {
if(!request)
return;
// User can set an onFailure option - which will be called by prototype
if (request.status != 200)
return;
var response = request.responseXML.getElementsByTagName("ajax-response");
if (response == null || response.length != 1)
return;
this._processAjaxResponse( response[0].childNodes );
// Check if user has set a onComplete function
var onRicoComplete = this.options.onRicoComplete;
if (onRicoComplete != null)
onRicoComplete();
},
_processAjaxResponse: function( xmlResponseElements ) {
for ( var i = 0 ; i < xmlResponseElements.length ; i++ ) {
var responseElement = xmlResponseElements[i];
// only process nodes of type element.....
if ( responseElement.nodeType != 1 )
continue;
var responseType = responseElement.getAttribute("type");
var responseId = responseElement.getAttribute("id");
if ( responseType == "object" )
this._processAjaxObjectUpdate( this.ajaxObjects[ responseId ], responseElement );
else if ( responseType == "element" )
this._processAjaxElementUpdate( this.ajaxElements[ responseId ], responseElement );
else
alert('unrecognized AjaxResponse type : ' + responseType );
}
},
_processAjaxObjectUpdate: function( ajaxObject, responseElement ) {
ajaxObject.ajaxUpdate( responseElement );
},
_processAjaxElementUpdate: function( ajaxElement, responseElement ) {
ajaxElement.innerHTML = RicoUtil.getContentAsString(responseElement);
}
}
var ajaxEngine = new Rico.AjaxEngine();
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