Datefield won't render completely - extjs4.2.2 [closed]

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I have a afterrender event which should be called on my datefield in my formpanel. however, it looks like it won't render, and so the afterrender event doesn't work. any ideas why?

here's my code:

    this.activityFormPanelEdit = Ext.create('Ext.form.FormPanel', {
        xtype: 'form',
        autoRender: true,
        layout: {
            align: 'stretch',
            type: 'vbox'
        },
        header: false,
        pollForChanges: false,
        items: [{
            xtype: 'form',
            layout: {
                align: 'stretch',
                type: 'hbox'
            },
            items: [
                {
                    xtype: 'datefield',
                    name: 'reminderDate',
                    itemId: 'reminderDate',
                    fieldLabel: 'Erinnerung am',
                    padding: '10',
                    style: 'background-color: red',
                    disabled: true,
                    listener: {
                        afterrender: function (c) {
                            c.inputEl.on('dblclick', function () {
                                c.setValue(new Date());
                            });
                        }
                    }
                }]
        }]

Answer 1

You have a typo in your code.

Name of config property where you can define event handlers is listeners not listener

http://docs.sencha.com/extjs/4.2.2/#!/api/Ext.Component-cfg-listeners