Inspector = {

    classes: [],

    used: [],

    init: function(){
        Inspector.iterate(Ext, 'Ext.');
    },

    iterate: function(root, chain){
        var I = Inspector,
            prop,
            first,
            o;

        for (var prop in root) {
            o = root[prop];
            first = prop.substr(0, 1);
            if (/[A-Z]/.test(first)) {
                if (Ext.isFunction(o)) {
                    o.prototype.constructor = o.prototype.constructor.createInterceptor(function(){
                        Ext.each(I.classes, function(detail){
                            if (this instanceof detail.cls) {
                                if (I.used.indexOf(detail.name) == -1) {
                                    I.used.push(detail.name);
                                }
                            }
                        }, this);
                    });
                    I.classes.push({
                        cls: o,
                        name: chain + prop
                    });
                }
            } else if (Ext.isObject(o)) {
                I.iterate(o, chain + prop + '.');
            }
        }
    }
};

Inspector.init();