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authorMark Otto <[email protected]>2014-07-07 22:10:22 -0700
committerMark Otto <[email protected]>2014-07-07 22:10:22 -0700
commit81b59d35368bc51d361d0352cc92fe99dc580fbf (patch)
tree2395d5e79edaaa8c0a7ad82e99931ec895421532 /js/scrollspy.js
parentfed2b0f7eb78438eb1b768782b04651881d88740 (diff)
parentddee04038f946ac103eb4e70c8eb7adeb2cf563b (diff)
downloadbootstrap-81b59d35368bc51d361d0352cc92fe99dc580fbf.tar.xz
bootstrap-81b59d35368bc51d361d0352cc92fe99dc580fbf.zip
Merge branch 'master' into derp
Conflicts: docs/_layouts/default.html docs/assets/css/docs.min.css docs/assets/css/src/docs.css docs/assets/js/docs.min.js docs/assets/js/src/application.js
Diffstat (limited to 'js/scrollspy.js')
-rw-r--r--js/scrollspy.js61
1 files changed, 39 insertions, 22 deletions
diff --git a/js/scrollspy.js b/js/scrollspy.js
index 137bd373f..db2378787 100644
--- a/js/scrollspy.js
+++ b/js/scrollspy.js
@@ -1,5 +1,5 @@
/* ========================================================================
- * Bootstrap: scrollspy.js v3.1.1
+ * Bootstrap: scrollspy.js v3.2.0
* http://getbootstrap.com/javascript/#scrollspy
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
@@ -14,36 +14,48 @@
// ==========================
function ScrollSpy(element, options) {
- var href
var process = $.proxy(this.process, this)
- this.$element = $(element).is('body') ? $(window) : $(element)
this.$body = $('body')
- this.$scrollElement = this.$element.on('scroll.bs.scrollspy', process)
+ this.$scrollElement = $(element).is('body') ? $(window) : $(element)
this.options = $.extend({}, ScrollSpy.DEFAULTS, options)
- this.selector = (this.options.target
- || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
- || '') + ' .nav li > a'
- this.offsets = $([])
- this.targets = $([])
+ this.selector = (this.options.target || '') + ' .nav li > a'
+ this.offsets = []
+ this.targets = []
this.activeTarget = null
+ this.scrollHeight = 0
+ this.$scrollElement.on('scroll.bs.scrollspy', process)
this.refresh()
this.process()
}
+ ScrollSpy.VERSION = '3.2.0'
+
ScrollSpy.DEFAULTS = {
offset: 10
}
+ ScrollSpy.prototype.getScrollHeight = function () {
+ return this.$scrollElement[0].scrollHeight || Math.max(this.$body[0].scrollHeight, document.documentElement.scrollHeight)
+ }
+
ScrollSpy.prototype.refresh = function () {
- var offsetMethod = this.$element[0] == window ? 'offset' : 'position'
+ var offsetMethod = 'offset'
+ var offsetBase = 0
- this.offsets = $([])
- this.targets = $([])
+ if (!$.isWindow(this.$scrollElement[0])) {
+ offsetMethod = 'position'
+ offsetBase = this.$scrollElement.scrollTop()
+ }
+
+ this.offsets = []
+ this.targets = []
+ this.scrollHeight = this.getScrollHeight()
var self = this
- var $targets = this.$body
+
+ this.$body
.find(this.selector)
.map(function () {
var $el = $(this)
@@ -53,7 +65,7 @@
return ($href
&& $href.length
&& $href.is(':visible')
- && [[ $href[offsetMethod]().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href ]]) || null
+ && [[$href[offsetMethod]().top + offsetBase, href]]) || null
})
.sort(function (a, b) { return a[0] - b[0] })
.each(function () {
@@ -64,15 +76,19 @@
ScrollSpy.prototype.process = function () {
var scrollTop = this.$scrollElement.scrollTop() + this.options.offset
- var scrollHeight = this.$scrollElement[0].scrollHeight || Math.max(this.$body[0].scrollHeight, document.documentElement.scrollHeight)
- var maxScroll = scrollHeight - this.$scrollElement.height()
+ var scrollHeight = this.getScrollHeight()
+ var maxScroll = this.options.offset + scrollHeight - this.$scrollElement.height()
var offsets = this.offsets
var targets = this.targets
var activeTarget = this.activeTarget
var i
+ if (this.scrollHeight != scrollHeight) {
+ this.refresh()
+ }
+
if (scrollTop >= maxScroll) {
- return activeTarget != (i = targets.last()[0]) && this.activate(i)
+ return activeTarget != (i = targets[targets.length - 1]) && this.activate(i)
}
if (activeTarget && scrollTop <= offsets[0]) {
@@ -83,7 +99,7 @@
activeTarget != targets[i]
&& scrollTop >= offsets[i]
&& (!offsets[i + 1] || scrollTop <= offsets[i + 1])
- && this.activate( targets[i] )
+ && this.activate(targets[i])
}
}
@@ -115,9 +131,7 @@
// SCROLLSPY PLUGIN DEFINITION
// ===========================
- var old = $.fn.scrollspy
-
- $.fn.scrollspy = function (option) {
+ function Plugin(option) {
return this.each(function () {
var $this = $(this)
var data = $this.data('bs.scrollspy')
@@ -128,6 +142,9 @@
})
}
+ var old = $.fn.scrollspy
+
+ $.fn.scrollspy = Plugin
$.fn.scrollspy.Constructor = ScrollSpy
@@ -146,7 +163,7 @@
$(window).on('load.bs.scrollspy.data-api', function () {
$('[data-spy="scroll"]').each(function () {
var $spy = $(this)
- $spy.scrollspy($spy.data())
+ Plugin.call($spy, $spy.data())
})
})