1) How to set HTML to  already created panel or any other Element?  I am a beginner. I tried the below to set some content inside the HTML  var clickedElement = Ext.getCmp('id').el.child('>'); clickedElement.setHTML("hello"...

I have a JSON String comes from the server side:  {"success":"true","total":"6","list":   [{"id":"1","name":"folder1","parentid":"null","type":"0"...

In Extjs 4.1.1a, How to keep the tip text of the slider always visible?  Currently, the tip text is being visible whenever the user drags the bar of the slider. I searched on docs but couldn't find any related concepts.  If it is not documented o...

I'm creating an extjs grid panel which has a user configurable set of columns. The Ext.grid.Panel component provides a handy reconfigure(store, columns) method for exactly this purpose.  This method works as expected to reconfigure a grid's s...

This the model that I want to create using json file  Ext.define('Users', {     extend: 'Ext.data.Model',     fields: [{name: 'user_id',  type: 'int'},     {name: 'user_name',  type: 'string'}] });   Wh...

In my project, I am trying to add the tip text (config) dynamically to a slider.  How to do that? I need to add it dynamically because I am generating the array of variables in a "Controller", which holds the text for each value of the slider...

Consider the following example class Parent:  Ext.define('Parent', {      ...     listeners: {         render: {             fn: doSomething         },     },   };  and the following class Child extending default Parent above:  Ext.define(...

I have managed to implement a treepanel and everything seems to be working. I have data like so ( see below). My fields I "name" which holds below things like "ItemA", "ProductA" which are nodes and the "Iron" which is...

I need to add a newly-created MenuItem at runtime; so my code currently looks like:  var myMenu = myCmp.query('mymenu')[0]; // retrieve my only Menu object var menuItem = Ext.create('Ext.menu.Item', {     itemId: 'myItemId', t...

I am still learning Extjs and mvc so I have a design question that I am sure someone can answer for me. My question is:  I have 2 controllers that handle two different views. Either of the two controllers are called to render the correct view based o...