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Thread: How to update a Ext.form.ComboBox store (simple store) once created in a Ext.window

  1. #1

    Default How to update a Ext.form.ComboBox store (simple store) once created in a Ext.window


    I tried the find a solution of my case on many forms, but no success

    I'm a beginner on js and Extjs 3.4, I'm trying to use Ext.form.ComboBox in a Ext.window to show the list of js objects (layers). the problem is when I create the window the first time and I click on the ComboBox trigger I get my layers list correctly, but when I remove or add a layer, and I click again on the trigger the store don't update and I find the same list (

    Can you please help me to find a solution to this problem, for example when I click on the trigger it will update and load the new list store ? Any suggestion is welcome,
    Thank you in advance !

    Here is a part of the code :

    createWindow: function() {
            var FIELD_WIDTH = 250,
                base = {
                    forceSelection: true,
                    editable: true,
                    allowBlank: true,
                    triggerAction: 'all',
                    mode: 'local',
                    labelSeparator: OpenLayers.i18n("labelSeparator"),
                    valueField: 'value',
                    displayField: 'text',
                    labelWidth: 300
            var addComboxFieldItemsWCS = function()  {
                layer_liste_WCS = [];
                var empty = true ;
                layerStore.each (function (record) {
                    var layer = record.get('layer');
                    var queryable = record.get('queryable');
                    // var type = record.get('type');
                    var hasEquivalentWCS = record.hasEquivalentWCS()
                    if (queryable && hasEquivalentWCS) {
                        empty = false;
                        var ObjectRecordType =['text', 'value']);
                        var rec = new ObjectRecordType({ text:, value:record })
                        var liste = [,];
                }) ;
                if (empty)  {
                    var ObjectRecordType =['text', 'value']);
                    var rec = new ObjectRecordType({ text: "No based WCS layer !", value:"" })
                    var liste = [,];
                    disabled: true
            var WCS_store = new{
                            autoLoad: true,
                            fields: ['text','value'],
                            data: layer_liste_WCS
            ImageField = new Ext.form.ComboBox(Ext.apply({
                name: "Image_ref",
                fieldLabel: OpenLayers.i18n("Spot Image Input (Required)"),
                // fieldLabel: WPS_config.img.title, // From WPS Server
                emptyText: OpenLayers.i18n("Select your Image"),
                autoDestroy: true,
                width: FIELD_WIDTH,
                triggerAction: 'all',
                queryMode: 'local',
                store: WCS_store,
            }, base));
            return new Ext.Window({
                title: OpenLayers.i18n("addon_wpsjussie_title"),
                closable: true,
                resizable: false,
                shadow: false,
                closeAction: 'hide',
                region: "center", //"north","south","east","west"
                width: 480,
                height: 190,
                iconCls: 'wind_icon',
                plain: true,
                layout: 'border',
                buttonAlign: 'right',
                layout: 'fit',
                listeners: {
                    show: function() {
                        this.el.setStyle('left', '');
                        this.el.setStyle('top', '');
                items: [{
                    region: 'center',
                    xtype: 'tabpanel',
                    activeTab: 0,   
                    width: 50,
                    items: [{ // we will declare 3 tabs
                        title: OpenLayers.i18n('Datas Inputs'),
                        iconCls: 'input_icon',
                        active: true,
                            xtype: 'form',
                            autoWidth: true,
                            labelWidth: 185,
                            bodyStyle: "padding:10px;",
                            items: [

  2. #2
    Sencha - Sustaining Engineer tristan.lee's Avatar
    Join Date
    Mar 2015
    Central Ohio


    There looks to be a few dependencies your code is relying on that do not exist in your code sample. Could you create a small workable example as a fiddle ( so I can walk through your issue with you?
    Tristan Lee
    Sencha Inc - Sustaining Engineer

    Having an issue? Help us help you - be detailed; provide some code; demonstrate with a fiddle (

    Embed your fiddle in your post: [FIDDLE]id[/FIDDLE]

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