/*!
 * Ext JS Library 3.2.0
 * Copyright(c) 2006-2010 Ext JS, Inc.
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
/** * @class Ext.data.DirectProxy * @extends Ext.data.DataProxy */ Ext.data.DirectProxy = function(config){ Ext.apply(this, config); if(typeof this.paramOrder == 'string'){ this.paramOrder = this.paramOrder.split(/[\s,|]/); } Ext.data.DirectProxy.superclass.constructor.call(this, config); }; Ext.extend(Ext.data.DirectProxy, Ext.data.DataProxy, {
/** * @cfg {Array/String} paramOrder Defaults to undefined. A list of params to be executed * server side. Specify the params in the order in which they must be executed on the server-side * as either (1) an Array of String values, or (2) a String of params delimited by either whitespace, * comma, or pipe. For example, * any of the following would be acceptable:

paramOrder: ['param1','param2','param3']
paramOrder: 'param1 param2 param3'
paramOrder: 'param1,param2,param3'
paramOrder: 'param1|param2|param'
     
*/ paramOrder: undefined,
/** * @cfg {Boolean} paramsAsHash * Send parameters as a collection of named arguments (defaults to true). Providing a * {@link #paramOrder} nullifies this configuration. */ paramsAsHash: true,
/** * @cfg {Function} directFn * Function to call when executing a request. directFn is a simple alternative to defining the api configuration-parameter * for Store's which will not implement a full CRUD api. */ directFn : undefined,
/** * DirectProxy implementation of {@link Ext.data.DataProxy#doRequest} * @param {String} action The crud action type (create, read, update, destroy) * @param {Ext.data.Record/Ext.data.Record[]} rs If action is load, rs will be null * @param {Object} params An object containing properties which are to be used as HTTP parameters * for the request to the remote server. * @param {Ext.data.DataReader} reader The Reader object which converts the data * object into a block of Ext.data.Records. * @param {Function} callback *

A function to be called after the request. * The callback is passed the following arguments:

* @param {Object} scope The scope (this reference) in which the callback function is executed. Defaults to the browser window. * @param {Object} arg An optional argument which is passed to the callback as its second parameter. * @protected */ doRequest : function(action, rs, params, reader, callback, scope, options) { var args = [], directFn = this.api[action] || this.directFn; switch (action) { case Ext.data.Api.actions.create: args.push(params.jsonData); // <-- create(Hash) break; case Ext.data.Api.actions.read: // If the method has no parameters, ignore the paramOrder/paramsAsHash. if(directFn.directCfg.method.len > 0){ if(this.paramOrder){ for(var i = 0, len = this.paramOrder.length; i < len; i++){ args.push(params[this.paramOrder[i]]); } }else if(this.paramsAsHash){ args.push(params); } } break; case Ext.data.Api.actions.update: args.push(params.jsonData); // <-- update(Hash/Hash[]) break; case Ext.data.Api.actions.destroy: args.push(params.jsonData); // <-- destroy(Int/Int[]) break; } var trans = { params : params || {}, request: { callback : callback, scope : scope, arg : options }, reader: reader }; args.push(this.createCallback(action, rs, trans), this); directFn.apply(window, args); }, // private createCallback : function(action, rs, trans) { var me = this; return function(result, res) { if (!res.status) { // @deprecated fire loadexception if (action === Ext.data.Api.actions.read) { me.fireEvent("loadexception", me, trans, res, null); } me.fireEvent('exception', me, 'remote', action, trans, res, null); trans.request.callback.call(trans.request.scope, null, trans.request.arg, false); return; } if (action === Ext.data.Api.actions.read) { me.onRead(action, trans, result, res); } else { me.onWrite(action, trans, result, res, rs); } }; },
/** * Callback for read actions * @param {String} action [Ext.data.Api.actions.create|read|update|destroy] * @param {Object} trans The request transaction object * @param {Object} result Data object picked out of the server-response. * @param {Object} res The server response * @protected */ onRead : function(action, trans, result, res) { var records; try { records = trans.reader.readRecords(result); } catch (ex) { // @deprecated: Fire old loadexception for backwards-compat. this.fireEvent("loadexception", this, trans, res, ex); this.fireEvent('exception', this, 'response', action, trans, res, ex); trans.request.callback.call(trans.request.scope, null, trans.request.arg, false); return; } this.fireEvent("load", this, res, trans.request.arg); trans.request.callback.call(trans.request.scope, records, trans.request.arg, true); },
/** * Callback for write actions * @param {String} action [{@link Ext.data.Api#actions create|read|update|destroy}] * @param {Object} trans The request transaction object * @param {Object} result Data object picked out of the server-response. * @param {Object} res The server response * @param {Ext.data.Record/[Ext.data.Record]} rs The Store resultset associated with the action. * @protected */ onWrite : function(action, trans, result, res, rs) { var data = trans.reader.extractData(trans.reader.getRoot(result), false); var success = trans.reader.getSuccess(result); success = (success !== false); if (success){ this.fireEvent("write", this, action, data, res, rs, trans.request.arg); }else{ this.fireEvent('exception', this, 'remote', action, trans, result, rs); } trans.request.callback.call(trans.request.scope, data, res, success); } });