How to configure a TV dropdown in the Collections children grid?

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Hi!
Sorry no one’s replied to you yet, just saw this.
You said you tried Susan’s example. What happened? It didn’t work?

Here’s a combo box I made recently for adjusting the zoom of a google map. It uses static (local) numbering.

/**
 * ComboBox for selecting Zoom Level of a Google Map.
 * @param config
 * @constructor
 */
MyExtra.combo.ZoomLevel = function(config) {
    config = config || {};
    Ext.applyIf(config,{
        store: new Ext.data.ArrayStore({
            id: 0
            ,fields: ['level']
            ,data: [
                ['1'],
                ['2'],
                ['3'],
                ['4'],
                ['5'],
                ['6'],
                ['7'],
                ['8'],
                ['9'],
                ['10'],
                ['11'],
                ['12'],
                ['13'],
                ['14'],
                ['15'],
                ['16'],
                ['17'],
                ['18'],
                ['19'],
                ['20'],
                ['21']
            ]
        })
        ,mode: 'local'
        ,displayField: 'level'
        ,valueField: 'level'
    });
    MyExtra.combo.ZoomLevel.superclass.constructor.call(this,config);
};
Ext.extend(MyExtra.combo.ZoomLevel,MODx.combo.ComboBox);
Ext.reg('myextra-combo-zoomlevel',MyExtra.combo.ZoomLevel);

And here’s an example of one that uses remote data from a processor.

MyExtra.combo.Category = function(config) {
    config = config || {};
    Ext.applyIf(config,{
        url: MyExtra.config.connectorUrl
        ,baseParams: {
            action: 'mgr/category/getlist'
        }
        ,fields: ['id','name']
        ,mode: 'remote'
        ,displayField: 'name'
        ,valueField: 'id'
        ,typeAhead: true
        ,editable:true
        ,forceSelection:true
    });
    MyExtra.combo.Category.superclass.constructor.call(this,config);
};
Ext.extend(MyExtra.combo.Category,MODx.combo.ComboBox);
Ext.reg('myextra-combo-category',MyExtra.combo.Category);