Top "Extjs4" questions

Please use this tag in relation to ExtJS 4.0 - 4.2; Ext JS 4 is the fourth major version of the JavaScript library for building Rich Internet Applications (RIA), and now includes an MVC architecture without the need to use plugins.

Move an element to next line using CSS, if it doesn't fit in the available area width

I have a View created using ExtJS, composed of a Autocompleting Textbox (bound to a store) and a custom templated …

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css extjs extjs4 tag-cloud
Display a different text in Legend

This is about version 4.2.2 We have a chart like this var store = Ext.create('Ext.data.JsonStore', { fields: ['name', 'data'], …

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extjs extjs4 extjs-chart
Automatically check/uncheck all subtree nodes in extjs tree when certain node gets checked/unckecked

How do I automatically check/uncheck all subtree nodes in an extjs tree when a certain node gets checked/unckecked. …

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javascript extjs extjs4 treepanel
ExtJS how to handle a component's element-related events in controller?

I have a Panel and I need to capture/handle the mouseover event for the element of this panel. Currently …

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extjs extjs4 extjs4.1 extjs-mvc
Explain MVC architecture of extjs

I created a small sudoku app using Javascript. Now I am trying to convert that javascript code into extjs (4.1.1a) …

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extjs extjs4 extjs4.1 extjs-mvc
ExtJS 4: What is the Proper Way to Perform Inheritance

My code: Ext.onReady(function() { // Every property is declared inside the class Ext.define('MyCustomPanel1', { extend: 'Ext.panel.Panel', …

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inheritance extjs4
how to reload a selected node of a tree

I need to reload a tree after deleting one of the leafs of a node. The problem of reloading the …

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tree extjs4 reload treenode
ExtJS 4 RadioGroup Change Event Fires Twice

I'm using ExtJS 4.0.7, am new to Ext, and am using the new MVC architecture. I have a RadioGroup that, upon …

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ExtJS Grid slow with 3000+ records

I am using ExtJS Grid and its getting pretty slow with 3000+ records. Sorting takes about 4 seconds. I am thinking maybe …

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javascript extjs extjs4 extjs5
ExtJs Model Proxy vs. Store Proxy

OK, I'm stuck on what should be a basic task in ExtJs. I'm writing a simple login script that sends …

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extjs model extjs4 store restful-authentication