    /*!
     * Ext JS Library 3.0.3
     * Copyright(c) 2006-2009 Ext JS, LLC
     * licensing@extjs.com
     * http://www.extjs.com/license
     */
    /**
     * @class Ext.data.XmlWriter
     * @extends Ext.data.DataWriter
     * DataWriter extension for writing an array or single {@link Ext.data.Record} object(s) in preparation for executing a remote CRUD action via XML.
     */
    Ext.data.XmlWriter = function(params) {
        Ext.data.XmlWriter.superclass.constructor.apply(this, arguments);
        this.tpl = new Ext.XTemplate(this.tpl).compile();
    };
    Ext.extend(Ext.data.XmlWriter, Ext.data.DataWriter, {
        /**
         * @cfg {String} root [records] The name of the root element when writing multiple records to the server.  Each
         * xml-record written to the server will be wrapped in an element named after {@link Ext.data.XmlReader#record} property.
         * eg:

    <?xml version="1.0" encoding="UTF-8"?>
    <user><first>Barney</first></user>

* However, when multiple records are written in a batch-operation, these records must be wrapped in a containing * Element. * eg: `

    <?xml version="1.0" encoding="UTF-8"?>
        <records>
            <first>Barney</first></user>
            <records><first>Barney</first></user>
        </records>

` * Defaults to `records` */ root: 'records',
/** * @cfg {String} xmlVersion [1.0] The `version` written to header of xml documents. `

    <?xml version="1.0" encoding="ISO-8859-15"?>

` */ xmlVersion : '1.0',
/** * @cfg {String} xmlEncoding [ISO-8859-15] The `encoding` written to header of xml documents. `

    <?xml version="1.0" encoding="ISO-8859-15"?>

` */ xmlEncoding: 'ISO-8859-15',
/** * @cfg {String} tpl The xml template. Defaults to `

    <?xml version="{version}" encoding="{encoding}"?>
        <tpl if="{[values.nodes.length>1]}"><{root}}>',
        <tpl for="records">
            <{parent.record}>
            <tpl for="fields">
                <{name}>{value}</{name}>
            </tpl>
            </{parent.record}>
        </tpl>
        <tpl if="{[values.records.length>1]}"></{root}}></tpl>

` */ // Break up encoding here in case it's being included by some kind of page that will parse it (eg. PHP) tpl: '<' + '?xml version="{version}" encoding="{encoding}"?' + '><{documentRoot}><{name}>{value}<{root}><{parent.record}><{name}>{value}',
/** * Final action of a write event. Apply the written data-object to params. * @param {String} action [Ext.data.Api.create|read|update|destroy] * @param {Ext.data.Record/Ext.data.Record[]} rs * @param {Object} http params * @param {Object/Object[]} rendered data. */ render : function(action, rs, params, data) { params.xmlData = this.tpl.applyTemplate({ version: this.xmlVersion, encoding: this.xmlEncoding, record: this.meta.record, root: this.root, records: (Ext.isArray(rs)) ? data : [data] }); }, /** * Converts an Ext.data.Record to xml * @param {Ext.data.Record} rec * @return {String} rendered xml-element * @private */ toXml : function(data) { var fields = []; Ext.iterate(data, function(k, v) { fields.push({ name: k, value: v }); },this); return { fields: fields }; }, /** * createRecord * @param {Ext.data.Record} rec * @return {String} xml element * @private */ createRecord : function(rec) { return this.toXml(this.toHash(rec)); }, /** * updateRecord * @param {Ext.data.Record} rec * @return {String} xml element * @private */ updateRecord : function(rec) { return this.toXml(this.toHash(rec)); },
/** * destroyRecord * @param {Ext.data.Record} rec * @return {String} xml element */ destroyRecord : function(rec) { var data = {}; data[this.meta.idProperty] = rec.id; return this.toXml(data); } });