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Add scrollSpy indicator the to side navigation #12

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Add scrollSpy indicator the to side navigation #12

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66628fb
Add scrollSpy indicator the to side navigation
gerpo Oct 1, 2015
c80dd7e
Revert "Add scrollSpy indicator the to side navigation"
gerpo Oct 1, 2015
96b193a
Revert "Revert "Add scrollSpy indicator the to side navigation""
gerpo Oct 1, 2015
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11 changes: 10 additions & 1 deletion _jadefiles/header.jade
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Original file line number Diff line number Diff line change
@@ -1,14 +1,23 @@
mixin nav-content()
ul
li: a(href="#about") About
li.curpos: a(href="#about") About
.scrollspy
li: a(href="#youtube") YouTube
.scrollspy
//li: a(href="#mentoring") Mentoring
.scrollspy
li: a(href="#articles") Articles
.scrollspy
li: a(href="#vine") Vine
.scrollspy
li: a(href="#design") Design
.scrollspy
li: a(href="#notes") Notes
.scrollspy
li: a(href="#podcast") Podcast
.scrollspy
li: a(href="#contact") Contact
.scrollspy

.mobile-nav
+nav-content()
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21 changes: 20 additions & 1 deletion assets/css/3-sections/_header.sass
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,22 @@
&:last-child
margin-bottom: 0

.scrollspy
display: inline-block
position: absolute
width: 10px
height: 0.6rem
opacity: 0
margin-left: 5px
margin-top: 5.5px
background:
image: url(/assets/img/back-icon.svg)
repeat: no-repeat
transition: opacity 150ms ease-in-out

&.curpos .scrollspy
opacity: 1

.email-link
display: block
text-align: right
Expand Down Expand Up @@ -150,7 +166,8 @@
align-items: center

.site-nav,
.email-link
.email-link,
.scroll-spy
display: none

.logo
Expand All @@ -162,3 +179,5 @@
.mobile-nav.is-open
display: block
transform: translateY(0%)


46 changes: 41 additions & 5 deletions assets/js/functions.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,12 @@ function smoothScroll (duration) {

var target = $( $(this).attr('href') );

if( target.length ) {
event.preventDefault();
$('html, body').animate({
scrollTop: target.offset().top
}, duration);
if( target.length ) {
event.preventDefault();

$('html, body').animate({
scrollTop: target.offset().top
}, duration);
}
});
}
Expand Down Expand Up @@ -77,8 +78,43 @@ $(window).scroll(function() {
youtubeVidScroll();
//startMentoring();
startArticles();
scrollSpy();
});

function scrollSpy() {
var scrollTop = $(window).scrollTop(),
wheight = $(window).height(),
anchor = $('.scrollspy').parent(),
buffer = 50, //defines the bufferarea for the first and last element
bottom = $(document).height() - buffer,
showPoint = 0.6; //element is 40% in the window

if (scrollTop > buffer && (scrollTop + wheight) < bottom) {

anchor.each(function() {
var href = $(this).attr('href'),
scrollSpyElm = $(href),
elmHeight = scrollSpyElm.height(),
offSet = scrollSpyElm.offset().top,
startPoint = (offSet - (scrollTop + wheight * showPoint)),
endPoint = ((offSet + elmHeight) + (scrollTop + wheight * (1 - showPoint))),
parent = $(this).parent();

if(startPoint <= 0 && endPoint >= 0) {
parent.addClass('curpos').siblings().removeClass('curpos');
}
})

} else if (scrollTop <= buffer) {

$('a[href="#about"]').parent().addClass('curpos').siblings().removeClass('curpos');

} else if ((scrollTop + wheight) >= bottom) {

$('a[href="#contact"]').parent().addClass('curpos').siblings().removeClass('curpos');
}
}


function youtubeVidScroll() {

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