/** * This is a base class for more advanced "simlets" (simulated servers). A simlet is asked * to provide a response given a {@link Ext.ux.ajax.SimXhr} instance. */Ext.define('Ext.ux.ajax.Simlet', function() { var urlRegex = /([^?#]*)(#.*)?$/, dateRegex = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/, intRegex = /^[+-]?\d+$/, floatRegex = /^[+-]?\d+\.\d+$/; function parseParamValue(value) { var m; if (Ext.isDefined(value)) { value = decodeURIComponent(value); if (intRegex.test(value)) { value = parseInt(value, 10); } else if (floatRegex.test(value)) { value = parseFloat(value); } else if (!!(m = dateRegex.exec(value))) { value = new Date(Date.UTC(+m[1], +m[2] - 1, +m[3], +m[4], +m[5], +m[6])); } } return value; } return { alias: 'simlet.basic', isSimlet: true, responseProps: ['responseText', 'responseXML', 'status', 'statusText', 'responseHeaders'], /** * @cfg {String/Function} responseText */ /** * @cfg {String/Function} responseXML */ /** * @cfg {Object/Function} responseHeaders */ /** * @cfg {Number/Function} status */ status: 200, /** * @cfg {String/Function} statusText */ statusText: 'OK', constructor: function(config) { Ext.apply(this, config); }, doGet: function(ctx) { return this.handleRequest(ctx); }, doPost: function(ctx) { return this.handleRequest(ctx); }, doRedirect: function(ctx) { return false; }, doDelete: function(ctx) { var me = this, xhr = ctx.xhr, records = xhr.options.records; me.removeFromData(ctx, records); }, /** * Performs the action requested by the given XHR and returns an object to be applied * on to the XHR (containing `status`, `responseText`, etc.). For the most part, * this is delegated to `doMethod` methods on this class, such as `doGet`. * * @param {Ext.ux.ajax.SimXhr} xhr The simulated XMLHttpRequest instance. * @return {Object} The response properties to add to the XMLHttpRequest. */ exec: function(xhr) { var me = this, ret = {}, method = 'do' + Ext.String.capitalize(xhr.method.toLowerCase()), // doGet fn = me[method]; if (fn) { ret = fn.call(me, me.getCtx(xhr.method, xhr.url, xhr)); } else { ret = { status: 405, statusText: 'Method Not Allowed' }; } return ret; }, getCtx: function(method, url, xhr) { return { method: method, params: this.parseQueryString(url), url: url, xhr: xhr }; }, handleRequest: function(ctx) { var me = this, ret = {}, val; Ext.Array.forEach(me.responseProps, function(prop) { if (prop in me) { val = me[prop]; if (Ext.isFunction(val)) { val = val.call(me, ctx); } ret[prop] = val; } }); return ret; }, openRequest: function(method, url, options, async) { var ctx = this.getCtx(method, url), redirect = this.doRedirect(ctx), xhr; if (options.action === 'destroy') { method = 'delete'; } if (redirect) { xhr = redirect; } else { xhr = new Ext.ux.ajax.SimXhr({ mgr: this.manager, simlet: this, options: options }); xhr.open(method, url, async); } return xhr; }, parseQueryString: function(str) { var m = urlRegex.exec(str), ret = {}, key, value, pair, parts, i, n; if (m && m[1]) { parts = m[1].split('&'); for (i = 0, n = parts.length; i < n; ++i) { if ((pair = parts[i].split('='))[0]) { key = decodeURIComponent(pair.shift()); value = parseParamValue((pair.length > 1) ? pair.join('=') : pair[0]); if (!(key in ret)) { ret[key] = value; } else if (Ext.isArray(ret[key])) { ret[key].push(value); } else { ret[key] = [ret[key], value]; } } } } return ret; }, redirect: function(method, url, params) { switch (arguments.length) { case 2: if (typeof url === 'string') { break; } params = url; // fall... // eslint-disable-next-line no-fallthrough case 1: url = method; method = 'GET'; break; } if (params) { url = Ext.urlAppend(url, Ext.Object.toQueryString(params)); } return this.manager.openRequest(method, url); }, removeFromData: function(ctx, records) { var me = this, data = me.getData(ctx), model = (ctx.xhr.options.proxy && ctx.xhr.options.proxy.getModel()) || {}, idProperty = model.idProperty || 'id', i; Ext.each(records, function(record) { var id = record.get(idProperty); for (i = data.length; i-- > 0;) { if (data[i][idProperty] === id) { me.deleteRecord(i); break; } } }); } };}());