am c774a312: Merge "fix sidebar autoscroll when the selected doc is not visible. bug: 9676913" into jb-mr2-docs

* commit 'c774a312359ddf3fedcbe90b00ff6d6f330d95b8':
  fix sidebar autoscroll when the selected doc is not visible. bug: 9676913
This commit is contained in:
Scott Main 2013-07-30 20:09:21 -07:00 committed by Android Git Automerger
commit d1d606b4d6
1 changed files with 12 additions and 7 deletions

View File

@ -819,13 +819,18 @@ function scrollIntoView(nav) {
if ($nav.is(':visible')) {
var $selected = $(".selected", $nav);
if ($selected.length == 0) return;
var selectedOffset = $selected.position().top;
if (selectedOffset + 90 > $nav.height()) { // add 90 so that we scroll up even
// if the current item is close to the bottom
api.scrollTo(0, selectedOffset - ($nav.height() / 4), false); // scroll the item into view
// to be 1/4 of the way from the top
if ($selected.length == 0) {
// If no selected item found, exit
return;
}
var selectedOffset = $selected.offset().top; // measure offset from top, relative to entire page
if (selectedOffset > $nav.height() * .8) { // multiply nav height by .8 so we move up any
// items more than 80% down the nav
// scroll the item up by an amount 125px less than the window height (account for site header)
// and then multiply nav height by .8 to match the 80% threshold used above
api.scrollTo(0, selectedOffset - 125 - ($nav.height() * .8), false);
}
}
}