gistfile1.js

var SC = require('sproutcore/runtime').SC;

exports.ReFocus = {
    _rf_view: null,
    
    setup: function() {
        SC.RootResponder.responder.addObserver('hasFocus', this, function() {
            if (SC.RootResponder.responder.get('hasFocus') && 
                !SC.none(exports.ReFocus._rf_view)) {
                if (SC.none(SC.RootResponder.responder.keyPane.firstResponder)) {
                    console.log(SC.RootResponder.responder.keyPane);
                    exports.ReFocus._rf_view.becomeFirstResponder();
                }
            }
        });
    },
  
    willLoseKeyResponderTo: function(responder) {
        arguments.callee.base.apply(this, arguments);
        exports.ReFocus._rf_view = null;
        
        // If the responder is null then the focus is lost to an non-SC-component.
        // This can happen, because
        // 1) another DOM element on the page
        //    OR
        // 2) the entire page/window lost the focus
        // 
        if (SC.none(responder)) {
            setTimeout(function() {
                if (!SC.RootResponder.responder.hasFocus) {
                    exports.ReFocus._rf_view = this;
                }
            }.bind(this), 0);
        }
    }
}