jquery.outerClick.js

//  指定した要素以外のクリックでイベントを発火させる
//  例： $("#notification-list").outerClick(function (event) { ... });
(function ($, elements, OUTER_CLICK) {
    function check(event) {
        for (var i = 0, l = elements.length, target = event.target, el; i < l; i++) {
            el = elements[i];
            if (el !== target && !(el.contains ? el.contains(target) : el.compareDocumentPosition ? el.compareDocumentPosition(target) & 16 : 1)) {
                $.event.trigger(OUTER_CLICK, event, el);
            }
        }
    }
    $.event.special[OUTER_CLICK] = {
        setup: function () {
            var i = elements.length;
            if (!i) {
                $.event.add(document, 'click', check);
            }
            if ($.inArray(this, elements) < 0) {
                elements[i] = this;
            }
        },
        teardown: function () {
            var i = $.inArray(this, elements);
            if (i >= 0) {
                elements.splice(i, 1);
                if (!elements.length) {
                    jQuery(this).unbind('click', check);
                }
            }
        }
    };
    $.fn[OUTER_CLICK] = function (fn) {
        return fn ? this.bind(OUTER_CLICK, fn) : this.trigger(OUTER_CLICK);
    };
})(jQuery, [], 'outerClick');