tooltip.js in bootstrap-sass-rails-3.0.0.0.rc2

- old
+ new

@@ -1,8 +1,8 @@
 /* ========================================================================
  * Bootstrap: tooltip.js v3.0.0
- * http://twbs.github.com/bootstrap/javascript.html#affix
+ * http://twbs.github.com/bootstrap/javascript.html#tooltip
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ========================================================================
  * Copyright 2012 Twitter, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -62,11 +62,11 @@
         this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
       } else if (trigger != 'manual') {
         var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focus'
         var eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
 
-        this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
+        this.$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 ?
@@ -89,20 +89,24 @@
     }
 
     return options
   }
 
-  Tooltip.prototype.enter = function (obj) {
-    var defaults = this.getDefaults()
+  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)[this.type](options).data('bs.' + this.type)
+      obj : $(obj.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type)
 
     clearTimeout(self.timeout)
 
     if (!self.options.delay || !self.options.delay.show) return self.show()
 
@@ -112,11 +116,11 @@
     }, self.options.delay.show)
   }
 
   Tooltip.prototype.leave = function (obj) {
     var self = obj instanceof this.constructor ?
-      obj : $(obj.currentTarget)[this.type](this._options).data('bs.' + this.type)
+      obj : $(obj.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type)
 
     clearTimeout(self.timeout)
 
     if (!self.options.delay || !self.options.delay.hide) return self.hide()
 
@@ -177,16 +181,13 @@
         $tip
           .removeClass(orgPlacement)
           .addClass(placement)
       }
 
-      var tp = 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   }
+      var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
 
-      this.applyPlacement(tp, placement)
+      this.applyPlacement(calculatedOffset, placement)
       this.$element.trigger('shown.bs.' + this.type)
     }
   }
 
   Tooltip.prototype.applyPlacement = function(offset, placement) {
@@ -194,29 +195,37 @@
     var $tip   = this.tip()
     var width  = $tip[0].offsetWidth
     var height = $tip[0].offsetHeight
 
     // manually read margins because getBoundingClientRect includes difference
-    offset.top  = offset.top  + parseInt($tip.css('margin-top'), 10)
-    offset.left = offset.left + parseInt($tip.css('margin-left'), 10)
+    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
+
     $tip
       .offset(offset)
       .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) {
       replace = true
-      offset.top  = offset.top + height - actualHeight
+      offset.top = offset.top + height - actualHeight
     }
 
-    if (placement == 'bottom' || placement == 'top') {
+    if (/bottom|top/.test(placement)) {
       var delta = 0
 
-      if (offset.left < 0){
+      if (offset.left < 0) {
         delta       = offset.left * -2
         offset.left = 0
 
         $tip.offset(offset)
 
@@ -247,21 +256,23 @@
   Tooltip.prototype.hide = function () {
     var that = this
     var $tip = this.tip()
     var e    = $.Event('hide.bs.' + this.type)
 
+    function complete() { $tip.detach() }
+
     this.$element.trigger(e)
 
     if (e.isDefaultPrevented()) return
 
     $tip.removeClass('in')
 
     $.support.transition && this.$tip.hasClass('fade') ?
       $tip
-        .one($.support.transition.end, $tip.detach)
+        .one($.support.transition.end, complete)
         .emulateTransitionEnd(150) :
-      $tip.detach()
+      complete()
 
     this.$element.trigger('hidden.bs.' + this.type)
 
     return this
   }
@@ -283,10 +294,17 @@
       width: el.offsetWidth
     , height: el.offsetHeight
     }, this.$element.offset())
   }
 
+  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.getTitle = function () {
     var title
     var $e = this.$element
     var o  = this.options
 
@@ -298,12 +316,12 @@
 
   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.arrow = function () {
+    return this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')
   }
 
   Tooltip.prototype.validate = function () {
     if (!this.$element[0].parentNode) {
       this.hide()
@@ -323,10 +341,10 @@
   Tooltip.prototype.toggleEnabled = function () {
     this.enabled = !this.enabled
   }
 
   Tooltip.prototype.toggle = function (e) {
-    var self = e ? $(e.currentTarget)[this.type](this._options).data('bs.' + this.type) : this
+    var self = e ? $(e.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type) : this
     self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
   }
 
   Tooltip.prototype.destroy = function () {
     this.hide().$element.off('.' + this.type).removeData('bs.' + this.type)