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Rollup merge of #53626 - kzys:hashchange, r=GuillaumeGomez

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Automatically expand a section even after page load

Fixes #52774
This commit is contained in:
Guillaume Gomez 2018-08-26 12:05:25 +02:00 committed by GitHub
commit 9c20f06f73
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 36 additions and 16 deletions
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52
src/librustdoc/html/static/main.js
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@ -223,7 +223,25 @@
}
}
}
highlightSourceLines(null);
function expandSection(id) {
var elem = document.getElementById(id);
if (elem && isHidden(elem)) {
var h3 = elem.parentNode.previousSibling;
if (h3 && 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");
}
}
}
}
window.onhashchange = highlightSourceLines;
// Gets the human-readable string for the virtual-key code of the
@ -317,6 +335,15 @@
}
}
function findParentElement(elem, tagName) {
do {
if (elem && elem.tagName === tagName) {
return elem;
}
} while (elem = elem.parentNode);
return null;
}
document.onkeypress = handleShortcut;
document.onkeydown = handleShortcut;
document.onclick = function(ev) {
@ -354,6 +381,13 @@
} else if (!hasClass(document.getElementById("help"), "hidden")) {
addClass(document.getElementById("help"), "hidden");
removeClass(document.body, "blur");
} else {
// Making a collapsed element visible on onhashchange seems
// too late
var a = findParentElement(ev.target, 'A');
if (a && a.hash) {
expandSection(a.hash.replace(/^#/, ''));
}
}
};
@ -2213,21 +2247,7 @@
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(window.location.hash.replace(/^#/, ''));
}
}());