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Auto merge of #51527 - kennytm:do-not-auto-hide-inherent-impl, r=GuillaumeGomez 

Don't auto-hide inherent impls even if `rustdoc-collapse == true`.

This PR changes the auto-collapse behavior when a page is first loaded:

* Inherent impls will never be collapsed by default (new behavior).
* Trait impls will always be collapsed by default, same as before.
* Other items are collapsed according to localStorage, same as before.

This should be much more useful since there is no hint what the content of a collapsed inherent impl would be (try to collapse everything in https://doc.rust-lang.org/std/vec/struct.Vec.html and guess where a method like `try_reserve` or `splice` would be).

Manually clicking the global [-]/[+] will still collapse/expand everything.
This commit is contained in:
bors 2018-06-13 10:03:05 +00:00
parent 8398ab82e5 ca65a5e485
commit 7f20af002e
1 changed files with 25 additions and 24 deletions
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49
src/librustdoc/html/static/main.js
View File

@ -1775,7 +1775,7 @@
}
}
function toggleAllDocs(pageId) {
function toggleAllDocs(pageId, fromAutoCollapse) {
var toggle = document.getElementById("toggle-all-docs");
if (!toggle) {
return;
@ -1787,9 +1787,11 @@
e.innerHTML = labelForToggleButton(false);
});
toggle.title = "collapse all docs";
onEach(document.getElementsByClassName("collapse-toggle"), function(e) {
collapseDocs(e, "show");
});
if (fromAutoCollapse !== true) {
onEach(document.getElementsByClassName("collapse-toggle"), function(e) {
collapseDocs(e, "show");
});
}
} else {
updateLocalStorage("rustdoc-collapse", "true");
addClass(toggle, "will-expand");
@ -1797,10 +1799,11 @@
e.innerHTML = labelForToggleButton(true);
});
toggle.title = "expand all docs";
onEach(document.getElementsByClassName("collapse-toggle"), function(e) {
collapseDocs(e, "hide", pageId);
});
if (fromAutoCollapse !== true) {
onEach(document.getElementsByClassName("collapse-toggle"), function(e) {
collapseDocs(e, "hide", pageId);
});
}
}
}
@ -1921,17 +1924,19 @@
}
}
function autoCollapseAllImpls(pageId) {
// Automatically minimize all non-inherent impls
onEach(document.getElementsByClassName('impl'), function(n) {
// inherent impl ids are like 'impl' or impl-<number>'
var inherent = (n.id.match(/^impl(?:-\d+)?$/) !== null);
if (!inherent) {
onEach(n.childNodes, function(m) {
if (hasClass(m, "collapse-toggle")) {
collapseDocs(m, "hide", pageId);
}
});
function autoCollapse(pageId, collapse) {
if (collapse) {
toggleAllDocs(pageId, true);
}
onEach(document.getElementsByClassName("collapse-toggle"), function(e) {
// inherent impl ids are like 'impl' or impl-<number>'.
// they will never be hidden by default.
var n = e.parentNode;
if (n.id.match(/^impl(?:-\d+)?$/) === null) {
// Automatically minimize all non-inherent impls
if (collapse || hasClass(n, 'impl')) {
collapseDocs(e, "hide", pageId);
}
}
});
}
@ -2044,8 +2049,6 @@
}
});
autoCollapseAllImpls(getPageId());
function createToggleWrapper(tog) {
var span = document.createElement('span');
span.className = 'toggle-label';
@ -2175,9 +2178,7 @@
hideSidebar();
};
if (getCurrentValue("rustdoc-collapse") === "true") {
toggleAllDocs(getPageId());
}
autoCollapse(getPageId(), getCurrentValue("rustdoc-collapse") === "true");
}());
// Sets the focus on the search bar at the top of the page