text: /*!
   * Ext JS Library 3.1.0
   * Copyright(c) 2006-2009 Ext JS, LLC
   * licensing@extjs.com
   * http://www.extjs.com/license
   */
  
  /* 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
   * <p>Paging Memory Proxy, allows to use paging grid with in memory dataset</p>
   */
  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(v1, v2){
                  return v1 > v2 ? 1 : (v1 < v2 ? -1 : 0);
              };
              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;
  