dwrproxy dwrtreeloader

Ext.data.DWRProxy = function(dwrCall, pagingAndSort){ Ext.data.DWRProxy.superclass.constructor.call(this); this.dwrCall = dwrCall; //this.args = args; this.pagingAndSort = (pagingAndSort!=undefined ? pagingAndSort : true); }; Ext.extend(Ext.data.DWRProxy, Ext.data.DataProxy, { load : function(params, reader, callback, scope, arg) { if(this.fireEvent("beforeload", this, params) !== false) { var sort; if(params.sort && params.dir) sort = params.sort + ' ' + params.dir; else sort = ''; var delegate = this.loadResponse.createDelegate(this, [reader, callback, scope, arg], 1); var callParams = new Array(); if(arg.arg) { callParams = arg.arg.slice(); } if(this.pagingAndSort) { callParams.push(params.start); callParams.push(params.limit); callParams.push(sort); } callParams.push(delegate); this.dwrCall.apply(this, callParams); } else { callback.call(scope || this, null, arg, false); } }, loadResponse : function(listRange, reader, callback, scope, arg) { var result; try { result = reader.read(listRange); } catch(e) { this.fireEvent("loadexception", this, null, response, e); callback.call(scope, null, arg, false); return; } callback.call(scope, result, arg, true); }, update : function(dataSet){}, updateResponse : function(dataSet) {} }); Ext.data.ListRangeReader = function(meta, recordType){ Ext.data.ListRangeReader.superclass.constructor.call(this, meta, recordType); this.recordType = recordType; }; Ext.extend(Ext.data.ListRangeReader, Ext.data.DataReader, { getJsonAccessor: function(){ var re = /[\[\.]/; return function(expr) { try { return(re.test(expr)) ? new Function("obj", "return obj." + expr) : function(obj){ return obj[expr]; }; } catch(e){} return Ext.emptyFn; }; }(), read : function(o){ var recordType = this.recordType, fields = recordType.prototype.fields; //Generate extraction functions for the totalProperty, the root, the id, and for each field if (!this.ef) { if(this.meta.totalProperty) { this.getTotal = this.getJsonAccessor(this.meta.totalProperty); } if(this.meta.successProperty) { this.getSuccess = this.getJsonAccessor(this.meta.successProperty); } if (this.meta.id) { var g = this.getJsonAccessor(this.meta.id); this.getId = function(rec) { var r = g(rec); return (r === undefined || r === "") ? null : r; }; } else { this.getId = function(){return null;}; } this.ef = []; for(var i = 0; i < fields.length; i++){ f = fields.items[i]; var map = (f.mapping !== undefined && f.mapping !== null) ? f.mapping : f.name; this.ef[i] = this.getJsonAccessor(map); } } var records = []; var root = o.data, c = root.length, totalRecords = c, success = true; if(this.meta.totalProperty){ var v = parseInt(this.getTotal(o), 10); if(!isNaN(v)){ totalRecords = v; } } if(this.meta.successProperty){ var v = this.getSuccess(o); if(v === false || v === 'false'){ success = false; } } for(var i = 0; i < c; i++){ var n = root[i]; var values = {}; var id = this.getId(n); for(var j = 0; j < fields.length; j++){ f = fields.items[j]; var v = this.ef[j](n); values[f.name] = f.convert((v !== undefined) ? v : f.defaultValue); } var record = new recordType(values, id); records[i] = record; } return { success : success, records : records, totalRecords : totalRecords }; } });