I have an ExtJS singleton class. As a test I am calling a method of it in app.js launch() function. But the singleton static method is not defined. I thought when I require the class the singlet...

I have a Ext.grid.Panel with a set of columns. This grid is filtered, and depending on the filter I would like to define an editor for a column. My grid: Ext.define('Mb.view.MyPanel', { extend:...

Is there a way to get ExtJS intelliSense in Visual Studio 2012? This combined with the new JavaScript support would make my ExtJS projects much easier to code.

We're using ExtJS 4.2 and ran into weird problem. There's a grouped grid panel from which we drag elements to a tree panel. In most cases everything is working fine, but sometimes for unknown reaso...

I have the Form panel which constains the form with fields. Now on click of button , i am opening the window and then adding form as item in window like this win = new Ext.Window({ title: 'Add',...

I have a grid linked to a store with autoLoad: true. The problem is that the store gets loaded on application launch, even if the view is created only later when accessed through a menu. I have re...

I've been struggling to understand how to use hasMany and belongsTo for quite sometime. My understanding is hasMany is a 1:many relationship and belongsTo is a many:1 relationship--aside: so does t...

Background: Our app is always packed as a whole but through the users access some serverside actions may be restricted. We know which actions are allowed the time the app starts. We now want to hid...

I'm new to extjs and I'm using the MVC architecture. When my application references a method of a controller, I do it that way (in MyApp.Application): Mb.app.getController('Main').myMethod(); It i...

Mootools and ExtJs have a compatibility issue when used on the same page. Mootools throws the following error : Uncaught TypeError: Property 'id' of object #<HTMLDocument> is not a function...

Using Extjs 4.2 I have read many docs,google,forums trying to understand how components load and where to place them such as stores, models, ect but still confused. This is an example I am trying t...

I am trying to write a reusable item selection panel where the user has a grid with items he can choose from and a small text field that he can use to filter the content of the grid. Right now the ...

I came across to Ext.namespace() in the project that I am working on. I looked in Sencha's website and the explanation was not very helpful. This is what they are saying: Creates namespaces to...

As far as I know assigning this to a variable is used within callbacks where the this scope may change. But digging through the ExtJS source I found it used in all sorts of functions but not always...

I have a tree panel like http://jsfiddle.net/bmbMy/ I try to change default icons (node and leaf) by using css. But that not working. .x-grid-row .x-grid-tree-node-expanded { background: url('htt...

I am not able to get combobox value in a controller. The getter method of combobox view returns function i(){ return this.constructor.apply(this,arguments)||null } instead of view object inst...

Scenario I want to update the column data of particular record in grid having store with static data. Here is my store: extend : 'Ext.data.Store', model : 'MyModel', autoLoad:true, proxy: { typ...

I am new to Sencha ExtJs I did not understand the line Ext.getCmp('component_id').getEl().hide();. what is the use of .getEl(). Can i write Ext.getCmp('component_id').hide(); directly? And explai...

I am working with ExtJS4 and looking for a way to implement "Go to top" functionality. i.e. On the click of "top" button, the view should scroll back to the top of the component. How can I achiev...

How can I align the Text within all fields to right instead of left? I looked throught the API but found only a property for the label. Edit I know that I can change it by CSS but I am looking fo...

I recently heard that there are some major changes coming up with 4.2 concerning the way a MVC application work. I downloaded the beta but the API seems all in all the same. Can anyone explain me t...