(function($) {
$.fn.tipsy = function(options) {
options = $.extend({}, $.fn.tipsy.defaults, options);
return this.each(function() {
var opts = $.fn.tipsy.elementOptions(this, options);
$(this).hover(function() {
$.data(this, 'cancel.tipsy', true);
var tip = $.data(this, 'active.tipsy');
if (!tip) {
tip = $('<div class="tipsy"><div class="tipsy-inner"></div></div>');
tip.css({position: 'absolute', zIndex: 100000});
$.data(this, 'active.tipsy', tip);
}
if ($(this).attr('title') || typeof($(this).attr('original-title')) != 'string') {
$(this).attr('original-title', $(this).attr('title') || ''); this.title = '';
}
var title;
if (typeof opts.title == 'string') {
title = $(this).attr(opts.title == 'title' ? 'original-title' : opts.title);
} else if (typeof opts.title == 'function') {
title = opts.title.call(this);
}
tip.find('.tipsy-inner')[opts.html ? 'html' : 'text'](title || opts.fallback);
var pos = $.extend({}, $(this).offset(), {width: this.offsetWidth, height: this.offsetHeight});
tip.get(0).className = 'tipsy'; // reset classname in case of dynamic gravity
tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).appendTo(document.body);
var actualWidth = tip[0].offsetWidth, actualHeight = tip[0].offsetHeight;
var gravity = (typeof opts.gravity == 'function') ? opts.gravity.call(this) : opts.gravity;
switch (gravity.charAt(0)) {
case 'n':
tip.css({top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}).addClass('tipsy-north');
break;
case 's':
tip.css({top: pos.top - actualHeight, left: pos.left + pos.width /2 - actualWidth /2}).addClass('tipsy-south');
break;
case 'e':
tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}).addClass('tipsy-east');
break;
case 'w':
tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}).addClass('tipsy-west');
break;
}
if (opts.fade) {
tip.css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: 0.9});
} else {
tip.css({visibility: 'visible'});
}
}, function() {
$.data(this, 'cancel.tipsy', false);
var self = this;
setTimeout(function() {
if ($.data(this, 'cancel.tipsy')) return;
var tip = $.data(self, 'active.tipsy');
if (opts.fade) {
tip.stop().fadeOut(function() { $(this).remove(); });
} else {
tip.remove();
}
}, 0);
});
});
};
$.fn.tipsy.elementOptions = function(ele, options) {
return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
};
$.fn.tipsy.defaults = {
fade: false,
fallback: '',
gravity: 's',
html: false,
title: 'title'
};
$.fn.tipsy.autoNS = function() {
return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
};
})(jQuery);
