Cannot add listeners to store in ExtJS Controller -


in application have button in toolbar. if click on button open window following code executed:

[...] onclick: function() {     this.windowcontrol = this.getcontroller('attributesearch.window');     this.windowcontrol.init();     this.windowcontrol.showwindow(); } [...]

this window contains inputfields , combobox store:

ext.define('em.store.attributequery', {     requires: ['em.model.attributequery'],     model: 'em.model.attributequery',     proxy: {         type: 'ajax',         url: './app/configuration/attributequeries.json',         reader: {             type: 'json',             root: 'queries'         }     },     autoload: true });

within init method of window controller want add 1 onload-listener
try add listener store:

init: function() {         this.getattributequerystore().on('load', this.onstoreload, this);         this.control({             'attributesearchwindow': {                 afterrender: this.onwindowrendered             }         });     },

the first line in init method this.getattributequerystore().on('load', this.onstoreload, this); produces following error:

 uncaught typeerror: object [object object] has no method 'on' app/controller/attributesearch/window.js:9.

it seems store not (or correct) instantiated. missing?

edit:

the console output this.getattributequerystore() this:

constructor {self: function, superclass: object, config: emptyfn, initconfiglist: array[0], initconfigmap: object…} __proto__: templateclass $classname: "em.store.attributequery" autoload: true config: emptyfn configmap: templateclass initconfiglist: array[0] initconfigmap: object model: "em.model.attributequery" proxy: object requires: array[1] self: function constructor() { superclass: object __proto__: object }

why don't define store's listener part of store's definition?

ext.define('em.store.attributequery', {     requires: ['em.model.attributequery'],     model: 'em.model.attributequery',     proxy: {         type: 'ajax',         url: './app/configuration/attributequeries.json',         reader: {             type: 'json',             root: 'queries'         }     },     autoload: true,     listeners: {        load: function(store, records, options) {           em.getapplication().getcontroller('attributesearch.window').onstoreload(store, records, options);        }     } });

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