Fixes #45
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17d4533e45
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1 changed files with 16 additions and 1 deletions
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@ -72,4 +72,19 @@ window.setupPageShow = module.exports = function (pageId) {
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goToText(text);
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}
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};
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// Get current tree's width
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var bookTreeWidth = $(".book-tree").width();
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// Get header height
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var headerHeight = $("#header").height() + $(".faded-small").height();
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$(window).scroll(function () {
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if($(window).scrollTop() > headerHeight){
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// Begin to scroll
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$(".book-tree").width(bookTreeWidth);
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$(".book-tree").css("position", "fixed");
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$(".book-tree").css("top", 0);
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} else {
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// Lock it back in place
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$(".book-tree").css("position", "relative");
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}
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})
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};
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