GZ/nwyj/.svn/pristine/0e/0ebdf9a33a59af76af8bcb3069e8503d18fc160c.svn-base

/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.data.XmlReader = function(A, B) {
	A = A || {};
	Ext.data.XmlReader.superclass.constructor.call(this, A, B || A.fields)
};
Ext.extend(Ext.data.XmlReader, Ext.data.DataReader, {
			read : function(A) {
				var B = A.responseXML;
				if (!B) {
					throw {
						message : "XmlReader.read: XML Document not available"
					}
				}
				return this.readRecords(B)
			},
			readRecords : function(T) {
				this.xmlData = T;
				var N = T.documentElement || T;
				var I = Ext.DomQuery;
				var B = this.recordType, L = B.prototype.fields;
				var D = this.meta.id;
				var G = 0, E = true;
				if (this.meta.totalRecords) {
					G = I.selectNumber(this.meta.totalRecords, N, 0)
				}
				if (this.meta.success) {
					var K = I.selectValue(this.meta.success, N, true);
					E = K !== false && K !== "false"
				}
				var Q = [];
				var U = I.select(this.meta.record, N);
				for (var P = 0, R = U.length; P < R; P++) {
					var M = U[P];
					var A = {};
					var J = D ? I.selectValue(D, M) : undefined;
					for (var O = 0, H = L.length; O < H; O++) {
						var S = L.items[O];
						var F = I.selectValue(S.mapping || S.name, M,
								S.defaultValue);
						F = S.convert(F);
						A[S.name] = F
					}
					var C = new B(A, J);
					C.node = M;
					Q[Q.length] = C
				}
				return {
					success : E,
					records : Q,
					totalRecords : G || Q.length
				}
			}
		});