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refactor scrollspy refresh method

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Closes #13702 by merging a rebased version of it.
This commit is contained in:
Mike Greiling 2014-05-29 02:51:49 -05:00 committed by Chris Rebert
parent bc8e6ffb7d
commit 1cfa902e31
1 changed files with 8 additions and 2 deletions
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10
js/scrollspy.js
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@ -36,7 +36,13 @@
}
ScrollSpy.prototype.refresh = function () {
var offsetMethod = this.$scrollElement[0] == window ? 'offset' : 'position'
var offsetMethod = 'offset'
var offsetBase = 0
if (!$.isWindow(this.$scrollElement[0])) {
offsetMethod = 'position'
offsetBase = this.$scrollElement.scrollTop()
}
this.offsets = []
this.targets = []
@ -54,7 +60,7 @@
return ($href
&& $href.length
&& $href.is(':visible')
&& [[$href[offsetMethod]().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href]]) || null
&& [[$href[offsetMethod]().top + offsetBase, href]]) || null
})
.sort(function (a, b) { return a[0] - b[0] })
.each(function () {