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Questions tagged [extjs4]

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. Sencha has already released ExtJS 4.1 which has some significant changes compared to the last stable 4.0.7 release.

Ext JS 4 is a major advancement in JavaScript framework. With expanded functionality, faster performance, and improved efficiency, you can create incredible web apps for every browser. The framework has become the final release since April 26th 2011.

Note: Sencha has already released ExtJs 4.1 which has some rather significant changes comparing to last stable 4.0.7 release. Please use this tag in relation to ExtJs 4.0.7.

There is extjs4.1 tag for questions related to ExtJs 4.1 release.

Links for Starters:

See for more information.

5584 questions
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Extjs view alias / xtype not defined in controller

I have a view which contains a tab control with 2 tabs. I have defined an alias for each tab, in this format: alias: 'widget.contenttab' I am trying to access 'contenttab' in the controller but it says it is not defined: contenttab is not…
BrynJ
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Extjs add grid panel to accordion content

I'm actually not sure if this is possible, but I will ask it anyway. I have a group of accordion controls, and within the content body of each I need to display a grid panel. The grid panel needs to have a click event attached to it. I have tried…
BrynJ
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same store with diffrent data types in extjs

I have store which is used for grid and column chart but the values are in form of string (server side formatted amounts which cant be done at client side).due to which grid is not being rendered due to amount in string format.the solution might be…
A_m0
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ExtJS: keyboard focus specific context menu item

Currently I'm opening a context menu following the strike of a keyboard shortcut. How do I focus on (and select/highlight) a particular menu item of the context menu? So that then the item's handler can be executed by hitting the return key. I'm…
Joseph Victor Zammit
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File upload field in EXTJS MVC

Am having a form which consists of various text fields and combo boxes, along with a fileupload field. the file is being uploaded successfully, but when am trying to access the other form fields, they are not seen in the post parameters in the…
rosebrit3
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ExtJS4 too graceful... Need help ie8 component rendering

I am working on an ExtJS4 application - custom reporting application. ExtJS4 uses terrible graceful degradation principles by automatically falling back all css3 with images and tables (modified markup). Because of this it horribly bloats the…
chemoish
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How to increase the thickness of the line chart?

I see simple example from demos: http://dev.sencha.com/deploy/ext-4.0.0/examples/charts/Line.html How to increase the thickness of the line chart ( not marker) ?
Bdfy
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File upload hiding text field in extJS

I'm using extJS4 for my GUI and thus also to display the file upload dialog. In the end I want to only have a button which when I click it it displays the file upload dialog, and when I select something there it automatically uploads the file. For…
Thomas
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extjs-all-debug updateIndexes Cannot read property 'internalId' of undefined

Under Extjs 4, by repeatedly expanding and collapsing nodes or subtrees of a tree panel, some having children, some not, I end up getting the following error Cannot read property 'internalId' of undefined issued by ext-all-debug from method…
user1788215
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Using formLabel in FormPanel for Localization

I am trying to implement Localization within a panel, so to make the fieldLabel accessable from another file I am defining it like this Ext.define('Ext.app.detailForm', { extend: 'Ext.form.Panel', id: 'cscForm', // frame:…
Pavan Kulkarni
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set AfterLabelTextTpl after form render

I have a form with dynamic fields. In the afterrender event of the form I want to set the afterLabelTextTpl property. I can set this property but I can't see it change in my form. How can I achieve this? Snippet: listeners: { beforerender:…
A1rPun
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defining a button as a link to a new page in extjs

enter code herevar text ='Fill' ; if(value != undefined && value !=''){ text = Ext.Date.format(value,'Y-m-d'); } return ' '+text+' ' this above code is link to a new page when clicking 'Fill' link . i need that 'Fill' link to be as a…
user1773596
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ExtJS 4: How do I Re-render Ext.Component iframe?

How can I re-render this Ext.Component when a combo box option is selected? var searchForm = Ext.create('Ext.form.Panel', { width: 320, style: 'margin: 20px', renderTo: 'SearchPanel', style: { position: 'fixed', top:…
JustBeingHelpful
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adding item to window Extjs 4

I've been digging my mind all this morning to find the solution to this, I have an Extjs window where I want to put a chart as an item. I'm using Extjs 4, here's my window : Ext.define('Metrics.view.ChartWin', { extend: ['Ext.window.Window'], …
salamey
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