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Automatically expand a section even after page load

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Fixes #52774
This commit is contained in:
Kazuyoshi Kato 2018-08-23 00:43:06 -07:00
parent 786ccc336d
commit 917cdd295d
1 changed files with 32 additions and 16 deletions
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48
src/librustdoc/html/static/main.js
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@ -223,8 +223,38 @@
}
}
}
function expandSection() {
var hash = getPageId();
if (hash === null) {
return;
}
var elem = document.getElementById(hash);
if (elem && isHidden(elem.offsetParent)) {
var h3 = elem.parentNode.previousSibling;
if (h3.tagName !== 'H3') {
h3 = h3.previousSibling; // skip div.docblock
}
if (h3) {
var collapses = h3.getElementsByClassName("collapse-toggle");
if (collapses.length > 0) {
// The element is not visible, we need to make it appear!
collapseDocs(collapses[0], "show");
}
}
}
}
function onHashChange(ev) {
highlightSourceLines(ev);
expandSection();
}
highlightSourceLines(null);
window.onhashchange = highlightSourceLines;
window.onhashchange = onHashChange;
// Gets the human-readable string for the virtual-key code of the
// given KeyboardEvent, ev.
@ -2213,21 +2243,7 @@
autoCollapse(getPageId(), getCurrentValue("rustdoc-collapse") === "true");
if (window.location.hash && window.location.hash.length > 0) {
var hash = getPageId();
if (hash !== null) {
var elem = document.getElementById(hash);
if (elem && elem.offsetParent === null) {
if (elem.parentNode && elem.parentNode.previousSibling) {
var collapses = elem.parentNode
.previousSibling
.getElementsByClassName("collapse-toggle");
if (collapses.length > 0) {
// The element is not visible, we need to make it appear!
collapseDocs(collapses[0], "show");
}
}
}
}
expandSection();
}
}());