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Further consolidate search-related vars and funcs

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This commit is contained in:
Jacob Hoffman-Andrews 2021-04-13 00:35:36 -07:00
parent 95d652ebce
commit 11f854db4f
1 changed files with 61 additions and 76 deletions
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135
src/librustdoc/html/static/main.js
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@ -76,10 +76,6 @@ function getVirtualKey(ev) {
return String.fromCharCode(c);
}
function getSearchInput() {
return document.getElementsByClassName("search-input")[0];
}
var THEME_PICKER_ELEMENT_ID = "theme-picker";
var THEMES_ELEMENT_ID = "theme-choices";
@ -96,16 +92,6 @@ function getNakedUrl() {
return window.location.href.split("?")[0].split("#")[0];
}
// Sets the focus on the search bar at the top of the page
function focusSearchBar() {
getSearchInput().focus();
}
// Removes the focus from the search bar.
function defocusSearchBar() {
getSearchInput().blur();
}
function showThemeButtonState() {
var themePicker = getThemePickerElement();
var themeChoices = getThemesElement();
@ -170,7 +156,7 @@ function hideThemeButtonState() {
window.searchState = {
loadingText: "Loading search results...",
input: getSearchInput(),
input: document.getElementsByClassName("search-input")[0],
outputElement: function() {
return document.getElementById("search");
},
@ -190,6 +176,14 @@ function hideThemeButtonState() {
searchState.timeout = null;
}
},
// Sets the focus on the search bar at the top of the page
focus: function() {
searchState.input.focus();
},
// Removes the focus from the search bar.
defocus: function() {
searchState.input.blur();
},
showResults: function(search) {
if (search === null || typeof search === 'undefined') {
search = searchState.outputElement();
@ -237,7 +231,11 @@ function hideThemeButtonState() {
browserSupportsHistoryApi: function() {
return window.history && typeof window.history.pushState === "function";
},
setupLoader: function() {
setup: function() {
var search_input = searchState.input;
if (!searchState.input) {
return;
}
function loadScript(url) {
var script = document.createElement('script');
script.src = url;
@ -252,38 +250,57 @@ function hideThemeButtonState() {
}
}
// `crates{version}.js` should always be loaded before this script, so we can use it safely.
addSearchOptions(window.ALL_CRATES);
addSidebarCrates(window.ALL_CRATES);
searchState.input.addEventListener("focus", function() {
searchState.input.origPlaceholder = searchState.input.placeholder;
searchState.input.placeholder = "Type your search here.";
search_input.addEventListener("focus", function() {
searchState.putBackSearch(this);
search_input.origPlaceholder = searchState.input.placeholder;
search_input.placeholder = "Type your search here.";
loadSearch();
});
searchState.input.addEventListener("blur", function() {
searchState.input.placeholder = searchState.input.origPlaceholder;
search_input.addEventListener("blur", function() {
search_input.placeholder = searchState.input.origPlaceholder;
});
searchState.input.removeAttribute('disabled');
var crateSearchDropDown = document.getElementById("crate-search");
// `crateSearchDropDown` can be null in case there is only crate because in that case, the
// crate filter dropdown is removed.
if (crateSearchDropDown) {
crateSearchDropDown.addEventListener("focus", loadSearch);
}
document.addEventListener("mousemove", function() {
searchState.mouseMovedAfterSearch = true;
});
search_input.removeAttribute('disabled');
// `crates{version}.js` should always be loaded before this script, so we can use it safely.
searchState.addCrateDropdown(window.ALL_CRATES);
var params = searchState.getQueryStringParams();
if (params.search !== undefined) {
var search = searchState.outputElement();
search.innerHTML = "<h3 style=\"text-align: center;\">" +
searchState.loadingText + "</h3>";
searchState.showResults(search);
loadSearch();
}
},
};
addCrateDropdown: function(crates) {
var elem = document.getElementById("crate-search");
if (searchState.input) {
searchState.input.onfocus = function() {
searchState.putBackSearch(this);
};
if (!elem) {
return;
}
var savedCrate = getSettingValue("saved-filter-crate");
for (var i = 0, len = crates.length; i < len; ++i) {
var option = document.createElement("option");
option.value = crates[i];
option.innerText = crates[i];
elem.appendChild(option);
// Set the crate filter from saved storage, if the current page has the saved crate
// filter.
//
// If not, ignore the crate filter -- we want to support filtering for crates on sites
// like doc.rust-lang.org where the crates may differ from page to page while on the
// same domain.
if (crates[i] === savedCrate) {
elem.value = savedCrate;
}
}
},
};
function getPageId() {
if (window.location.hash) {
@ -491,7 +508,7 @@ function hideThemeButtonState() {
ev.preventDefault();
searchState.hideResults(search);
}
defocusSearchBar();
searchState.defocus();
hideThemeButtonState();
}
@ -518,7 +535,7 @@ function hideThemeButtonState() {
case "S":
displayHelp(false, ev);
ev.preventDefault();
focusSearchBar();
searchState.focus();
break;
case "+":
@ -605,10 +622,6 @@ function hideThemeButtonState() {
document.addEventListener("keypress", handleShortcut);
document.addEventListener("keydown", handleShortcut);
document.addEventListener("mousemove", function() {
searchState.mouseMovedAfterSearch = true;
});
var handleSourceHighlight = (function() {
var prev_line_id = 0;
@ -789,6 +802,9 @@ function hideThemeButtonState() {
block("foreigntype", "Foreign Types");
block("keyword", "Keywords");
block("traitalias", "Trait Aliases");
// `crates{version}.js` should always be loaded before this script, so we can use it safely.
addSidebarCrates(window.ALL_CRATES);
};
window.register_implementors = function(imp) {
@ -1420,13 +1436,6 @@ function hideThemeButtonState() {
};
});
var params = searchState.getQueryStringParams();
if (params && params.search) {
var search = searchState.outputElement();
search.innerHTML = "<h3 style=\"text-align: center;\">" + searchState.loadingText + "</h3>";
searchState.showResults(search);
}
var sidebar_menu = document.getElementsByClassName("sidebar-menu")[0];
if (sidebar_menu) {
sidebar_menu.onclick = function() {
@ -1459,30 +1468,6 @@ function hideThemeButtonState() {
});
}
function addSearchOptions(crates) {
var elem = document.getElementById("crate-search");
if (!elem) {
return;
}
var savedCrate = getSettingValue("saved-filter-crate");
for (var i = 0, len = crates.length; i < len; ++i) {
var option = document.createElement("option");
option.value = crates[i];
option.innerText = crates[i];
elem.appendChild(option);
// Set the crate filter from saved storage, if the current page has the saved crate
// filter.
//
// If not, ignore the crate filter -- we want to support filtering for crates on sites
// like doc.rust-lang.org where the crates may differ from page to page while on the
// same domain.
if (crates[i] === savedCrate) {
elem.value = savedCrate;
}
}
};
function buildHelperPopup() {
var popup = document.createElement("aside");
addClass(popup, "hidden");
@ -1547,7 +1532,7 @@ function hideThemeButtonState() {
onHashChange(null);
window.onhashchange = onHashChange;
searchState.setupLoader();
searchState.setup();
}());
function copy_path(but) {