1 (function($) {

     2     $.fn.tipsy = function(opts) {

     3 

     4         opts = $.extend({fade: false, gravity: 'n'}, opts || {});

     5         var tip = null, cancelHide = false;

     6 

     7         this.hover(function() {

     8             

     9             $.data(this, 'cancel.tipsy', true);

    10 

    11             var tip = $.data(this, 'active.tipsy');

    12             if (!tip) {

    13                 tip = $('<div class="tipsy"><div class="tipsy-inner">' + $(this).attr('title') + '</div></div>');

    14                 tip.css({position: 'absolute', zIndex: 100000});

    15                 $(this).attr('title', '');

    16                 $.data(this, 'active.tipsy', tip);

    17             }

    18             

    19             var pos = $.extend({}, $(this).offset(), {width: this.offsetWidth, height: this.offsetHeight});

    20             tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).appendTo(document.body);

    21             var actualWidth = tip[0].offsetWidth, actualHeight = tip[0].offsetHeight;

    22             

    23             switch (opts.gravity.charAt(0)) {

    24                 case 'n':

    25                     tip.css({top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}).addClass('tipsy-north');

    26                     break;

    27                 case 's':

    28                     tip.css({top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}).addClass('tipsy-south');

    29                     break;

    30                 case 'e':

    31                     tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}).addClass('tipsy-east');

    32                     break;

    33                 case 'w':

    34                     tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}).addClass('tipsy-west');

    35                     break;

    36             }

    37 

    38             if (opts.fade) {

    39                 tip.css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: 1});

    40             } else {

    41                 tip.css({visibility: 'visible'});

    42             }

    43 

    44         }, function() {

    45             $.data(this, 'cancel.tipsy', false);

    46             var self = this;

    47             setTimeout(function() {

    48                 if ($.data(this, 'cancel.tipsy')) return;

    49                 var tip = $.data(self, 'active.tipsy');

    50                 if (opts.fade) {

    51                     tip.stop().fadeOut(function() { $(this).remove(); });

    52                 } else {

    53                     tip.remove();

    54                 }

    55             }, 100);

    56             

    57         });

    58 

    59     };

    60 })(jQuery);