diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js index 5e78e8fe569..88c25567d29 100644 --- a/src/librustdoc/html/static/main.js +++ b/src/librustdoc/html/static/main.js @@ -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(/^#/, '')); } }());