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Auto-scroll in devel-docs table of content (thanks @harding)

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This commit is contained in:
Saivann 2014-11-02 23:08:07 -05:00
parent 0258f75bdd
commit 99675dc0cd
1 changed files with 11 additions and 3 deletions
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14
js/main.js
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@ -324,10 +324,18 @@ var updatetoc=function(){
}
if(a===false)return;
//Set .active class on new active toc entry
while(a.parentNode.nodeName=='LI'||a.parentNode.nodeName=='UL'){
addClass(a,'active');
a=a.parentNode;
var nd=a;
while(nd.parentNode.nodeName=='LI'||nd.parentNode.nodeName=='UL'){
addClass(nd,'active');
nd=nd.parentNode;
}
//Auto-scroll in toc to keep active toc entry visible
var nd=a;
var otop=nd.offsetTop;
while(nd.offsetParent!=div&&nd.offsetParent){nd=nd.offsetParent;otop+=nd.offsetTop;}
var bdiff=getHeight(a)+otop-div.scrollTop-getHeight(div);
var tdiff=getHeight(a)-otop+div.scrollTop;
if(tdiff>0||bdiff>0)div.scrollTop-=tdiff;
}
//Update browser url
var updatehistory=function(){