/**
 jquery.clickOutside.js
 @author Alexandre Tedeschi
 @email  alexandrebr at gmail dot com
 improved by Fabian Gander | Cyclodex: cyclodex@nothing.ch
 dClickOutside(options, callback)
 dClickOutside(callback, options)
 options:
 bool     onlyWhenVisible
 selector ignoreList
 callback(clickedOn)
 Don't need to return anything.
 **/
(function( $ ) {
    $.fn.dClickOutside = function(options, cb){
        if(typeof options == 'function'){
            var tmp = options;
            options = cb;
            cb      = tmp;
            delete tmp;
        }
        var options = $.extend({
            onlyWhenVisible: true,
            ignoreList:      false
        }, options);

        this.each(function(){
            var mainEl = $(this);

            // Unbind existing handler....
            if(mainEl.data('cbClickOutsideTurnOff')){
                mainEl.data('cbClickOutsideTurnOff').call();
                mainEl.removeData('cbClickOutsideTurnOff');
            }
            if(!cb){
                // Disable handler, already done that.
                return true;
            }

            var _handleClick = function(ev){
                // If clicked in the same element, do nothing.
                // if clicked on a child of that element, do nothing.
                // ADDITIONAL: also do nothing if clicked on a child element from the ignore list
                var clickedOn = $(ev.target);
                var parents = clickedOn.parents();
                if(!clickedOn.is(mainEl) && parents.index(mainEl) == -1){
                    if(options.onlyWhenVisible && !mainEl.is(":visible")){
                        // I am not visible, ignore.
                        return true;
                    }
                    if(options.ignoreList && (clickedOn.is(options.ignoreList) || parents.index(options.ignoreList) !== -1) ){
                        // Clicked on something in the ignore list.
                        return true;
                    }

                    cb.call(mainEl, clickedOn, ev);
                }
            };
            var _disableClick = function(){
                $(document).off('click', _handleClick);
            };

            $(document).on('click', _handleClick);
            mainEl.data('cbClickOutsideTurnOff',  _disableClick);

            return mainEl;
        });

        return this;
    };

    var oldRemove = $.fn.remove;
    $.fn.remove  = function(){
        $(this).dClickOutside(false);
        return oldRemove.apply(this, arguments);
    }
}) (jQuery);