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Merge pull request #56 from bootstraponline/scroll_to_closest_header

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Scroll to closest header
This commit is contained in:
Robert Lord 2014-05-05 12:16:45 -04:00
commit e5cf1f2589
1 changed files with 16 additions and 1 deletions
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15
source/javascripts/lib/jquery.tocify.js
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@ -147,6 +147,7 @@
var self = this; var self = this;
self.tocifyWrapper = $('.tocify-wrapper');
self.extendPageScroll = true; self.extendPageScroll = true;
// Internal array that keeps track of all TOC items (Helps to recognize if there are duplicate TOC item strings) // Internal array that keeps track of all TOC items (Helps to recognize if there are duplicate TOC item strings)
@ -703,6 +704,20 @@
// Highlights the corresponding list item // Highlights the corresponding list item
elem.addClass(self.focusClass); elem.addClass(self.focusClass);
// Scroll to highlighted element's header
var tocifyWrapper = self.tocifyWrapper;
var scrollToElem = $(elem).closest('.tocify-header');
var elementOffset = scrollToElem.offset().top,
wrapperOffset = tocifyWrapper.offset().top;
var offset = elementOffset - wrapperOffset;
if (offset >= $(window).height()) {
var scrollPosition = offset + tocifyWrapper.scrollTop();
tocifyWrapper.scrollTop(scrollPosition);
} else if (offset < 0) {
tocifyWrapper.scrollTop(0);
}
} }
if(self.options.scrollHistory) { if(self.options.scrollHistory) {