source: main/trunk/greenstone3/web/interfaces/oran/js/jquery-ui-1.8rc1/ui/jquery.effects.pulsate.js@ 24245

/*
 * jQuery UI Effects Pulsate 1.8rc1
 *
 * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Effects/Pulsate
 *
 * Depends:
 *  jquery.effects.core.js
 */
(function($) {

$.effects.pulsate = function(o) {
    return this.queue(function() {
        var elem = $(this),
            mode = $.effects.setMode(elem, o.options.mode || 'show');
            times = ((o.options.times || 5) * 2) - 1;
            duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2,
            isVisible = elem.is(':visible'),
            animateTo = 0;

        if (!isVisible) {
            elem.css('opacity', 0).show();
            animateTo = 1;
        }

        if ((mode == 'hide' && isVisible) || (mode == 'show' && !isVisible)) {
            times--;
        }

        for (var i = 0; i < times; i++) {
            elem.animate({ opacity: animateTo }, duration, o.options.easing);
            animateTo = (animateTo + 1) % 2;
        }

        elem.animate({ opacity: animateTo }, duration, o.options.easing, function() {
            if (animateTo == 0) {
                elem.hide();
            }
            (o.callback && o.callback.apply(this, arguments));
        });

        elem
            .queue('fx', function() { elem.dequeue(); })
            .dequeue();
    });
};

})(jQuery);