Mandatory prompt with Ext.MessageBox

by mistaecko

HTML

<link rel="stylesheet" href="/js/lib/ext-4.0.2a/resources/css/ext-all.css">

JavaScript

Ext.onReady(function() {

            Ext.Msg.prompt('Name', 'Please enter your name:', function(btn, text, cfg) {
                if (btn == 'ok' && Ext.isEmpty(text)) {
                    var newMsg = '<span style="color:red">Please enter your name:</span>';
                    Ext.Msg.show(Ext.apply({}, { msg: newMsg }, cfg));
                }
            });

        });