This commit is contained in:
Nick Walke 2016-02-11 12:15:16 -06:00
parent 17d4533e45
commit eacff3a9f0

View file

@ -72,4 +72,19 @@ window.setupPageShow = module.exports = function (pageId) {
goToText(text); goToText(text);
} }
// Get current tree's width
var bookTreeWidth = $(".book-tree").width();
// Get header height
var headerHeight = $("#header").height() + $(".faded-small").height();
$(window).scroll(function () {
if($(window).scrollTop() > headerHeight){
// Begin to scroll
$(".book-tree").width(bookTreeWidth);
$(".book-tree").css("position", "fixed");
$(".book-tree").css("top", 0);
} else {
// Lock it back in place
$(".book-tree").css("position", "relative");
}
})
}; };