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Questions tagged [extjs3]

Ext JS 3 is the third major version of JavaScript library for building Rich Internet Applications (RIA).

Ext JS 3 is the third major version of JavaScript library for building Rich Internet Applications (RIA).

Documentation for Ext JS 3.4 is available from Sencha, while documentation for Ext JS 3.0 can be difficult to find outside of personally hosted API docs. Here's one: http://www.vinylfox.com/docs/

See for more information.

1023 questions
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How to add an ExtJs component at a specific position (index)?

I have a ToolBar with some components (TextFields and Buttons) and I would like to dynamically add a component (TextField, for example) before the other components. I tried tbBar.add(myComponent); without success. Any idea?
Roberto Schuster
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How to add item to Extjs panel at exact position

I am adding an item to Extjs panel. this.add(new_el); this.doLayout(); It works fine. but in some cases I have to add {new_el} at exact position, not last. For example penultimate one. Can't find easy method in Extjs 3.2.1
Lev Savranskiy
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Placeholder for textarea? (ExtJS)

Is there placeholder for textarea? (ExtJS)
ilhan
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check child nodes of a tree when a parent is clicked [ExtJS]

I would like to know how can i check the sibling nodes of a tree while clicking on a particular node in ExtJs. I had given id's for each node and i can access the id of a clicked node. then how can i proceed to checking the child nodes automatically…
tismon
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emptyText is submitted with the form

I am using Ext Js 3.4. I run into a problem when using myform.getForm.getValues() emptytext is also sent in the request. Below is the code snippets myForm = new Ext.FormPanel({ id: 'myForm ', items: [ { …
hop
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How to build draggable field sets in ExtJS 3.x

I'd like to build an ExtJS FormPanel that allows the user to reorder a list of field sets using drag and drop. I see it's very easy to make the field sets moveable by using draggable: true, but how do I set up the dropzone? I've tried to follow a…
Hugh
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Extjs can't dynamically add/remove fields in formpanel

I have a form panel that uses a table layout to display a form. I need to add in functionality to add /remove a set of components. The add button should add a new row of components underneath the existing elements & the remove button should remove…
pm13
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How to search for a child in a panel in ExtJs

How can I find if a particular child (item) exists in a panel using the id of the child. Say I have a parent paned (id = parentPanel) and few panels as items of this parent panel. Now, I would like to search if a panel by id 'childPanel09' is a…
hop
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how to delete or add column in grid panel

grid.getcolumnModel().setHidden(0,true) will be effected for column menu and not grid panel. In column menu u can enable or disable the column. How do we add or remove the column in grid panel dynamically?
xrx215
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How do you clear a tree in ExtJs?

I have managed to create an Ext.tree.TreePanel that loads child nodes dynamically, but I'm having a difficult time clearing the tree and loading it with new data. Can someone help me with the code to do this?
slmcmahon
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EXTJS comboBox multiselect

In the ExtJS 3.3.1, I tried to make comboBox to multi select , but it doesn't work. Please help. var mArray = new Array("ALL", "AAA", "BBB"); var mCombo = new Ext.form.ComboBox({ id: 'ID', fieldLabel: 'ID', triggerAction:…
user595234
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How to refresh a GridView in Extjs?

I am using a gridview which is binding data from datastore dynamically. I have two textbox to enter data into grid. On submit button click the textbox data I am adding to my datastore (no need to store in backend). Now I want to refresh my gridview…
Amit
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Ext Js IE error only

My web app works fine on Firefox or Chrome but not in IE. It shows me the following message: Object doesn't support this property or method File: ext-all.js - Line: 7 - Char: 6100 Any ideas how to fix it? BTW: I'm using ext 3.4. Edit: All my ext…
user898741
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ext-all.js VS ext-all-debug.js

What is the difference between using ext-all.js and ext-all-debug.js? Does changing to ext-all.js from debug.js improve performance? Can I assume that switching from debug to normal file will not have any other impacts on the application? Also,…
hop
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Display multiple fields in ExtJs 3.3 Combo box

I've opened up an ExtJs project that I've not had my head in for some time, and this is baffling me. I've an Ext.form.ComboBox that uses a remote JSON store to list users. I use an XTemplate to format the users as listed in the drop down: '
Duncan
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