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.

Dynamic Model with ExtJS 4

With ExtJS 3.x, I was able to use the "fields" property of a Store, but it seems with ExtJS 4 I …

extjs extjs4
How To Re-Empty ComboBox when forceSelection is Set To TRUE (ExtJS 4)

I have a combo box with forceSelection config is set to true. The combo box is optional. It can be …

combobox extjs4
ExtJS ComboBox dropdown width wider than input box width?

Is there any way to set the width of an ExtJS (version 4) ComboBox's dropdown menu to be wider than that …

javascript user-interface extjs combobox extjs4
Extjs checkcolumn disable for some rows, based on value

I have a grid, with checkcolumn. It's dataIndex is, for example, 'checked'. I want to disable or hide checkboxes for …

extjs datagrid checkbox extjs4
How to clear the store and update a paging toolbar?

i need to reset paging toolbar parameters as "page", "start", "limit" when i click on a search button to re-load …

extjs extjs4
ExtJS 4: cloning stores

I'm trying to figure out how to clone an Ext.data.Store without keeping the old reference. Let me explain …

javascript extjs model extjs4 store
Removing a filter from a store in ExtJS

I explicitly add a filter to a Ext.data.Store using the store.filter(string, string) method. However, I can …

javascript extjs4
Clear all records from a store

I have a store, I am loading records from it successfully. Now i need to clear all the records in …

extjs4 extjs4.1
ExtJs4 how to disable all fields and all buttons on a panel recursively

I'm trying to disable all clickable, editable components on my panel. Calling panel.disable() grays it out, but buttons are …

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ExtJs didn't fire select event on ComboBox

I have a problem with ExtJs combobox, consider I have a combobox that has 4 items and a callback function in …

extjs combobox extjs4