// Copyright 2011 Tart. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview tart.dataProxy.Local XHR data proxy.
*/
goog.provide('tart.dataProxy.Local');
goog.require('tart.dataProxy.Abstract');
goog.require('goog.array');
/**
* Base model to handle xhr requests
*
* @extends {tart.dataProxy.Abstract}
* @constructor
*/
tart.dataProxy.Local = function() {
goog.base(this);
/** @private **/
this.data_ = undefined;
};
goog.inherits(tart.dataProxy.Local, tart.dataProxy.Abstract);
/**
* Fetch data from xhr and call a function with returned data
* @param {Function=} callback function to call with returned data.
*/
tart.dataProxy.Local.prototype.fetch = function(callback) {
var fetchedData = this.data_;
var pagerParam = this.params.get("paginationParams");
if (pagerParam) {
var offset = pagerParam.get("offset");
var limit = pagerParam.get("limit");
var tmp = [];
for(var i = offset; i < offset + limit; i++) {
if (fetchedData && fetchedData[i]) {
tmp.push(fetchedData[i]);
}
}
fetchedData = tmp;
}
callback.call(this, fetchedData);
};
tart.dataProxy.Local.prototype.setData = function(data) {
this.data_ = data;
};
tart.dataProxy.Local.prototype.getData = function() {
return this.data_;
};