-/* Fix for Opera, which does not seem to include the map function on Array's */
-if (!Array.prototype.map) {
- Array.prototype.map = function(fun){
- var len = this.length;
- if (typeof fun != 'function') {
- throw new TypeError();
- }
- var res = new Array(len);
- var thisp = arguments[1];
- for (var i = 0; i < len; i++) {
- if (i in this) {
- res[i] = fun.call(thisp, this[i], i, this);
- }
- }
- return res;
- };
-}
-
-Ext.ns('Ext.ux.data');
-
-/**
- * @class Ext.ux.data.PagingMemoryProxy
- * @extends Ext.data.MemoryProxy
- * Paging Memory Proxy, allows to use paging grid with in memory dataset
- */
-Ext.ux.data.PagingMemoryProxy = Ext.extend(Ext.data.MemoryProxy, {
- constructor : function(data){
- Ext.ux.data.PagingMemoryProxy.superclass.constructor.call(this);
- this.data = data;
- },
- doRequest : function(action, rs, params, reader, callback, scope, options){
- params = params ||
- {};
- var result;
- try {
- result = reader.readRecords(this.data);
- }
- catch (e) {
- this.fireEvent('loadexception', this, options, null, e);
- callback.call(scope, null, options, false);
- return;
- }
-
- // filtering
- if (params.filter !== undefined) {
- result.records = result.records.filter(function(el){
- if (typeof(el) == 'object') {
- var att = params.filterCol || 0;
- return String(el.data[att]).match(params.filter) ? true : false;
- }
- else {
- return String(el).match(params.filter) ? true : false;
- }
- });
- result.totalRecords = result.records.length;
- }
-
- // sorting
- if (params.sort !== undefined) {
- // use integer as params.sort to specify column, since arrays are not named
- // params.sort=0; would also match a array without columns
- var dir = String(params.dir).toUpperCase() == 'DESC' ? -1 : 1;
- var fn = function(r1, r2){
- return r1 < r2;
- };
- result.records.sort(function(a, b){
- var v = 0;
- if (typeof(a) == 'object') {
- v = fn(a.data[params.sort], b.data[params.sort]) * dir;
- }
- else {
- v = fn(a, b) * dir;
- }
- if (v == 0) {
- v = (a.index < b.index ? -1 : 1);
- }
- return v;
- });
- }
- // paging (use undefined cause start can also be 0 (thus false))
- if (params.start !== undefined && params.limit !== undefined) {
- result.records = result.records.slice(params.start, params.start + params.limit);
- }
- callback.call(scope, result, options, true);
- }
-});
-
-//backwards compat.
-Ext.data.PagingMemoryProxy = Ext.ux.data.PagingMemoryProxy;
-
-
-
\ No newline at end of file