Http://2015.igem.org/Template:Amoy/Javascript/TooltipJs

/* ========================================================================

* Bootstrap: tooltip.js v3.3.2
* http://getbootstrap.com/javascript/#tooltip
* Inspired by the original jQuery.tipsy by Jason Frame
* ========================================================================
* Copyright 2011-2015 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */


+function ($) {

 'use strict';
 // TOOLTIP PUBLIC CLASS DEFINITION
 // ===============================
 var Tooltip = function (element, options) {
   this.type       = null
   this.options    = null
   this.enabled    = null
   this.timeout    = null
   this.hoverState = null
   this.$element   = null
   this.init('tooltip', element, options)
 }
 Tooltip.VERSION  = '3.3.2'
 Tooltip.TRANSITION_DURATION = 150
 Tooltip.DEFAULTS = {
   animation: true,
   placement: 'top',
   selector: false,
template: '
',
   trigger: 'hover focus',
   title: ,
   delay: 0,
   html: false,
   container: false,
   viewport: {
     selector: 'body',
     padding: 0
   }
 }
 Tooltip.prototype.init = function (type, element, options) {
   this.enabled   = true
   this.type      = type
   this.$element  = $(element)
   this.options   = this.getOptions(options)
   this.$viewport = this.options.viewport && $(this.options.viewport.selector || this.options.viewport)
   if (this.$element[0] instanceof document.constructor && !this.options.selector) {
     throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!');
   }
   var triggers = this.options.trigger.split(' ')
   for (var i = triggers.length; i--;) {
     var trigger = triggers[i]
     if (trigger == 'click') {
       this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
     } else if (trigger != 'manual') {
       var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focusin'
       var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
       this.$element.on(eventIn  + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
       this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
     }
   }
   this.options.selector ?
     (this._options = $.extend({}, this.options, { trigger: 'manual', selector:  })) :
     this.fixTitle()
 }
 Tooltip.prototype.getDefaults = function () {
   return Tooltip.DEFAULTS
 }
 Tooltip.prototype.getOptions = function (options) {
   options = $.extend({}, this.getDefaults(), this.$element.data(), options)
   if (options.delay && typeof options.delay == 'number') {
     options.delay = {
       show: options.delay,
       hide: options.delay
     }
   }
   return options
 }
 Tooltip.prototype.getDelegateOptions = function () {
   var options  = {}
   var defaults = this.getDefaults()
   this._options && $.each(this._options, function (key, value) {
     if (defaults[key] != value) options[key] = value
   })
   return options
 }
 Tooltip.prototype.enter = function (obj) {
   var self = obj instanceof this.constructor ?
     obj : $(obj.currentTarget).data('bs.' + this.type)
   if (self && self.$tip && self.$tip.is(':visible')) {
     self.hoverState = 'in'
     return
   }
   if (!self) {
     self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
     $(obj.currentTarget).data('bs.' + this.type, self)
   }
   clearTimeout(self.timeout)
   self.hoverState = 'in'
   if (!self.options.delay || !self.options.delay.show) return self.show()
   self.timeout = setTimeout(function () {
     if (self.hoverState == 'in') self.show()
   }, self.options.delay.show)
 }
 Tooltip.prototype.leave = function (obj) {
   var self = obj instanceof this.constructor ?
     obj : $(obj.currentTarget).data('bs.' + this.type)
   if (!self) {
     self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
     $(obj.currentTarget).data('bs.' + this.type, self)
   }
   clearTimeout(self.timeout)
   self.hoverState = 'out'
   if (!self.options.delay || !self.options.delay.hide) return self.hide()
   self.timeout = setTimeout(function () {
     if (self.hoverState == 'out') self.hide()
   }, self.options.delay.hide)
 }
 Tooltip.prototype.show = function () {
   var e = $.Event('show.bs.' + this.type)
   if (this.hasContent() && this.enabled) {
     this.$element.trigger(e)
     var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])
     if (e.isDefaultPrevented() || !inDom) return
     var that = this
     var $tip = this.tip()
     var tipId = this.getUID(this.type)
     this.setContent()
     $tip.attr('id', tipId)
     this.$element.attr('aria-describedby', tipId)
     if (this.options.animation) $tip.addClass('fade')
     var placement = typeof this.options.placement == 'function' ?
       this.options.placement.call(this, $tip[0], this.$element[0]) :
       this.options.placement
     var autoToken = /\s?auto?\s?/i
     var autoPlace = autoToken.test(placement)
     if (autoPlace) placement = placement.replace(autoToken, ) || 'top'
     $tip
       .detach()
       .css({ top: 0, left: 0, display: 'block' })
       .addClass(placement)
       .data('bs.' + this.type, this)
     this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
     var pos          = this.getPosition()
     var actualWidth  = $tip[0].offsetWidth
     var actualHeight = $tip[0].offsetHeight
     if (autoPlace) {
       var orgPlacement = placement
       var $container   = this.options.container ? $(this.options.container) : this.$element.parent()
       var containerDim = this.getPosition($container)
       placement = placement == 'bottom' && pos.bottom + actualHeight > containerDim.bottom ? 'top'    :
                   placement == 'top'    && pos.top    - actualHeight < containerDim.top    ? 'bottom' :
                   placement == 'right'  && pos.right  + actualWidth  > containerDim.width  ? 'left'   :
                   placement == 'left'   && pos.left   - actualWidth  < containerDim.left   ? 'right'  :
                   placement
       $tip
         .removeClass(orgPlacement)
         .addClass(placement)
     }
     var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
     this.applyPlacement(calculatedOffset, placement)
     var complete = function () {
       var prevHoverState = that.hoverState
       that.$element.trigger('shown.bs.' + that.type)
       that.hoverState = null
       if (prevHoverState == 'out') that.leave(that)
     }
     $.support.transition && this.$tip.hasClass('fade') ?
       $tip
         .one('bsTransitionEnd', complete)
         .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
       complete()
   }
 }
 Tooltip.prototype.applyPlacement = function (offset, placement) {
   var $tip   = this.tip()
   var width  = $tip[0].offsetWidth
   var height = $tip[0].offsetHeight
   // manually read margins because getBoundingClientRect includes difference
   var marginTop = parseInt($tip.css('margin-top'), 10)
   var marginLeft = parseInt($tip.css('margin-left'), 10)
   // we must check for NaN for ie 8/9
   if (isNaN(marginTop))  marginTop  = 0
   if (isNaN(marginLeft)) marginLeft = 0
   offset.top  = offset.top  + marginTop
   offset.left = offset.left + marginLeft
   // $.fn.offset doesn't round pixel values
   // so we use setOffset directly with our own function B-0
   $.offset.setOffset($tip[0], $.extend({
     using: function (props) {
       $tip.css({
         top: Math.round(props.top),
         left: Math.round(props.left)
       })
     }
   }, offset), 0)
   $tip.addClass('in')
   // check to see if placing tip in new offset caused the tip to resize itself
   var actualWidth  = $tip[0].offsetWidth
   var actualHeight = $tip[0].offsetHeight
   if (placement == 'top' && actualHeight != height) {
     offset.top = offset.top + height - actualHeight
   }
   var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)
   if (delta.left) offset.left += delta.left
   else offset.top += delta.top
   var isVertical          = /top|bottom/.test(placement)
   var arrowDelta          = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
   var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'
   $tip.offset(offset)
   this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)
 }
 Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) {
   this.arrow()
     .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
     .css(isVertical ? 'top' : 'left', )
 }
 Tooltip.prototype.setContent = function () {
   var $tip  = this.tip()
   var title = this.getTitle()
   $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
   $tip.removeClass('fade in top bottom left right')
 }
 Tooltip.prototype.hide = function (callback) {
   var that = this
   var $tip = $(this.$tip)
   var e    = $.Event('hide.bs.' + this.type)
   function complete() {
     if (that.hoverState != 'in') $tip.detach()
     that.$element
       .removeAttr('aria-describedby')
       .trigger('hidden.bs.' + that.type)
     callback && callback()
   }
   this.$element.trigger(e)
   if (e.isDefaultPrevented()) return
   $tip.removeClass('in')
   $.support.transition && $tip.hasClass('fade') ?
     $tip
       .one('bsTransitionEnd', complete)
       .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
     complete()
   this.hoverState = null
   return this
 }
 Tooltip.prototype.fixTitle = function () {
   var $e = this.$element
   if ($e.attr('title') || typeof ($e.attr('data-original-title')) != 'string') {
     $e.attr('data-original-title', $e.attr('title') || ).attr('title', )
   }
 }
 Tooltip.prototype.hasContent = function () {
   return this.getTitle()
 }
 Tooltip.prototype.getPosition = function ($element) {
   $element   = $element || this.$element
   var el     = $element[0]
   var isBody = el.tagName == 'BODY'
   var elRect    = el.getBoundingClientRect()
   if (elRect.width == null) {
     // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
     elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
   }
   var elOffset  = isBody ? { top: 0, left: 0 } : $element.offset()
   var scroll    = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
   var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
   return $.extend({}, elRect, scroll, outerDims, elOffset)
 }
 Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
   return placement == 'bottom' ? { top: pos.top + pos.height,   left: pos.left + pos.width / 2 - actualWidth / 2 } :
          placement == 'top'    ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
          placement == 'left'   ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
       /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }
 }
 Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
   var delta = { top: 0, left: 0 }
   if (!this.$viewport) return delta
   var viewportPadding = this.options.viewport && this.options.viewport.padding || 0
   var viewportDimensions = this.getPosition(this.$viewport)
   if (/right|left/.test(placement)) {
     var topEdgeOffset    = pos.top - viewportPadding - viewportDimensions.scroll
     var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight
     if (topEdgeOffset < viewportDimensions.top) { // top overflow
       delta.top = viewportDimensions.top - topEdgeOffset
     } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow
       delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset
     }
   } else {
     var leftEdgeOffset  = pos.left - viewportPadding
     var rightEdgeOffset = pos.left + viewportPadding + actualWidth
     if (leftEdgeOffset < viewportDimensions.left) { // left overflow
       delta.left = viewportDimensions.left - leftEdgeOffset
     } else if (rightEdgeOffset > viewportDimensions.width) { // right overflow
       delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset
     }
   }
   return delta
 }
 Tooltip.prototype.getTitle = function () {
   var title
   var $e = this.$element
   var o  = this.options
   title = $e.attr('data-original-title')
     || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)
   return title
 }
 Tooltip.prototype.getUID = function (prefix) {
   do prefix += ~~(Math.random() * 1000000)
   while (document.getElementById(prefix))
   return prefix
 }
 Tooltip.prototype.tip = function () {
   return (this.$tip = this.$tip || $(this.options.template))
 }
 Tooltip.prototype.arrow = function () {
   return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))
 }
 Tooltip.prototype.enable = function () {
   this.enabled = true
 }
 Tooltip.prototype.disable = function () {
   this.enabled = false
 }
 Tooltip.prototype.toggleEnabled = function () {
   this.enabled = !this.enabled
 }
 Tooltip.prototype.toggle = function (e) {
   var self = this
   if (e) {
     self = $(e.currentTarget).data('bs.' + this.type)
     if (!self) {
       self = new this.constructor(e.currentTarget, this.getDelegateOptions())
       $(e.currentTarget).data('bs.' + this.type, self)
     }
   }
   self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
 }
 Tooltip.prototype.destroy = function () {
   var that = this
   clearTimeout(this.timeout)
   this.hide(function () {
     that.$element.off('.' + that.type).removeData('bs.' + that.type)
   })
 }


 // TOOLTIP PLUGIN DEFINITION
 // =========================
 function Plugin(option) {
   return this.each(function () {
     var $this   = $(this)
     var data    = $this.data('bs.tooltip')
     var options = typeof option == 'object' && option
     if (!data && option == 'destroy') return
     if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
     if (typeof option == 'string') data[option]()
   })
 }
 var old = $.fn.tooltip
 $.fn.tooltip             = Plugin
 $.fn.tooltip.Constructor = Tooltip


 // TOOLTIP NO CONFLICT
 // ===================
 $.fn.tooltip.noConflict = function () {
   $.fn.tooltip = old
   return this
 }

}(jQuery);