// tipsy, facebook style tooltips for jquery // version 1.0.0a // (c) 2008-2010 jason frame [jason@onehackoranother.com] // releated under the MIT license (function($) { function fixTitle($ele) { if ($ele.attr('title') || typeof($ele.attr('original-title')) != 'string') { $ele.attr('original-title', $ele.attr('title') || '').removeAttr('title'); } } function Tipsy(element, options) { this.$element = $(element); this.options = options; this.enabled = true; fixTitle(this.$element); } Tipsy.prototype = { show: function() { var title = this.getTitle(); if (title && this.enabled) { var $tip = this.tip(); $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title); $tip[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 pos = $.extend({}, this.$element.offset(), { width: this.$element[0].offsetWidth, height: this.$element[0].offsetHeight }); var actualWidth = $tip[0].offsetWidth, actualHeight = $tip[0].offsetHeight; var gravity = (typeof this.options.gravity == 'function') ? this.options.gravity.call(this.$element[0]) : this.options.gravity; var tp; switch (gravity.charAt(0)) { case 'n': tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; break; case 's': tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; break; case 'e': tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset}; break; case 'w': tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset}; break; } if (gravity.length == 2) { if (gravity.charAt(1) == 'w') { if (this.options.center) { tp.left = pos.left + pos.width / 2 - 15; } else { tp.left = pos.left; } } else { if (this.options.center) { tp.left = pos.left + pos.width / 2 - actualWidth + 15; } else { tp.left = pos.left + pos.width; } } } $tip.css(tp).addClass('tipsy-' + gravity); if (this.options.fade) { $tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity}, 100); } else { $tip.css({visibility: 'visible', opacity: this.options.opacity}); } } }, hide: function() { if (this.options.fade) { this.tip().stop().fadeOut(100, function() { $(this).remove(); }); } else { this.tip().remove(); } }, getTitle: function() { var title, $e = this.$element, o = this.options; fixTitle($e); var title, o = this.options; if (typeof o.title == 'string') { title = $e.attr(o.title == 'title' ? 'original-title' : o.title); } else if (typeof o.title == 'function') { title = o.title.call($e[0]); } title = ('' + title).replace(/(^\s*|\s*$)/, ""); return title || o.fallback; }, tip: function() { if (!this.$tip) { this.$tip = $('
').html(''); } return this.$tip; }, validate: function() { if (!this.$element[0].parentNode) { this.hide(); this.$element = null; this.options = null; } }, enable: function() { this.enabled = true; }, disable: function() { this.enabled = false; }, toggleEnabled: function() { this.enabled = !this.enabled; } }; $.fn.tipsy = function(options) { if (options === true) { return this.data('tipsy'); } else if (typeof options == 'string') { return this.data('tipsy')[options](); } options = $.extend({}, $.fn.tipsy.defaults, options); function get(ele) { var tipsy = $.data(ele, 'tipsy'); if (!tipsy) { tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options)); $.data(ele, 'tipsy', tipsy); } return tipsy; } function enter() { var tipsy = get(this); tipsy.hoverState = 'in'; if (options.delayIn == 0) { tipsy.show(); } else { setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn); } }; function leave() { var tipsy = get(this); tipsy.hoverState = 'out'; if (options.delayOut == 0) { tipsy.hide(); } else { setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut); } }; if (!options.live) this.each(function() { get(this); }); if (options.trigger != 'manual') { var binder = options.live ? 'live' : 'bind', eventIn = options.trigger == 'hover' ? 'mouseenter' : 'focus', eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur'; this[binder](eventIn, enter)[binder](eventOut, leave); } return this; }; $.fn.tipsy.defaults = { delayIn: 0, delayOut: 0, fade: true, fallback: '', gravity: 'n', center: true, html: false, live: false, offset: 0, opacity: 1.0, title: 'title', trigger: 'hover' }; // Overwrite this method to provide options on a per-element basis. // For example, you could store the gravity in a 'tipsy-gravity' attribute: // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' }); // (remember - do not modify 'options' in place!) $.fn.tipsy.elementOptions = function(ele, options) { return $.metadata ? $.extend({}, options, $(ele).metadata()) : options; }; $.fn.tipsy.autoNS = function() { return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n'; }; $.fn.tipsy.autoWE = function() { return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w'; }; })(jQuery);