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Merge branch 'feature/improve-heading-ux'

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This commit is contained in:
Cotes Chung 2021-12-10 21:54:11 +08:00
commit 5ca0966c41
10 changed files with 84 additions and 78 deletions
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58
_javascript/commons/topbar-switch.js
View file

@ -3,50 +3,50 @@
*/ */
$(function() { $(function() {
const $topbarWrapper = $("#topbar-wrapper");
const $panel = $("#panel-wrapper");
const $searchInput = $("#search-input");
const topbarWrapper = $("#topbar-wrapper"); const CLASS_TOPBAR_UP = "topbar-up";
const toc = $("#toc-wrapper"); const CLASS_TOPBAR_DOWN = "topbar-down";
const access = $(".access"); const ATTR_TOC_SCROLLING_UP = "toc-scrolling-up"; // topbar locked
const searchInput = $("#search-input");
let didScroll; let didScroll;
let lastScrollTop = 0; let lastScrollTop = 0;
const delta = 5; const delta = $topbarWrapper.outerHeight();
const topbarHeight = topbarWrapper.outerHeight(); const topbarHeight = $topbarWrapper.outerHeight();
function hasScrolled() { function hasScrolled() {
var st = $(this).scrollTop(); let st = $(this).scrollTop();
/* Make sure they scroll more than delta */ /* Make sure they scroll more than delta */
if (Math.abs(lastScrollTop - st) <= delta) { if (Math.abs(lastScrollTop - st) <= delta) {
return; return;
} }
if (st > lastScrollTop && st > topbarHeight) { if (st > lastScrollTop ) { // Scroll Down
/* Scroll Down */ if (st > topbarHeight) {
topbarWrapper.removeClass("topbar-down").addClass("topbar-up"); $topbarWrapper.removeClass(CLASS_TOPBAR_DOWN).addClass(CLASS_TOPBAR_UP);
$panel.removeClass(CLASS_TOPBAR_DOWN);
if (toc.length > 0) { if ($searchInput.is(":focus")) {
toc.removeClass("topbar-down"); $searchInput.blur(); /* remove focus */
}
} }
} else {// Scroll up
// did not reach the bottom of the document, i.e., still have space to scroll up
if (st + $(window).height() < $(document).height()) {
let tocScrollingUp = $topbarWrapper.attr(ATTR_TOC_SCROLLING_UP);
if (typeof tocScrollingUp !== "undefined") {
if (tocScrollingUp === "false") {
$topbarWrapper.removeAttr(ATTR_TOC_SCROLLING_UP);
}
if (access.length > 0) { } else {
access.removeClass("topbar-down"); $topbarWrapper.removeClass(CLASS_TOPBAR_UP).addClass(CLASS_TOPBAR_DOWN);
} $panel.addClass(CLASS_TOPBAR_DOWN);
}
if (searchInput.is(":focus")) {
searchInput.blur(); /* remove focus */
}
} else if (st + $(window).height() < $(document).height()) {
/* Scroll Up */
topbarWrapper.removeClass("topbar-up").addClass("topbar-down");
if (toc.length > 0) {
toc.addClass("topbar-down");
}
if (access.length > 0) {
access.addClass("topbar-down");
} }
} }
@ -54,7 +54,7 @@ $(function() {
} }
$(window).scroll(function(event) { $(window).scroll(function(event) {
if ($("#topbar-title").is(":hidden")) { /* Not in small screens */ if ($("#topbar-title").is(":hidden")) {
didScroll = true; didScroll = true;
} }
}); });

47
_javascript/utils/smooth-scroll.js
View file

@ -8,16 +8,19 @@
*/ */
$(function() { $(function() {
const REM = 16; /* 16px */ const $topbarWrapper = $("#topbar-wrapper");
const topbarHeight = $topbarWrapper.outerHeight();
const $topbarTitle = $("#topbar-title"); const $topbarTitle = $("#topbar-title");
const topbarHeight = $("#topbar-wrapper").outerHeight();
const ATTR_TOC_SCROLLING = "toc-scrolling-up";
const SCROLL_MARK = "scroll-focus"; const SCROLL_MARK = "scroll-focus";
const REM = 16; // in pixels
let tocScrollUpCount = 0;
$("a[href*='#']") $("a[href*='#']")
.not("[href='#']") .not("[href='#']")
.not("[href='#0']") .not("[href='#0']")
.click(function(event) { .click(function(event) {
if (this.pathname.replace(/^\//, "") === location.pathname.replace(/^\//, "")) { if (this.pathname.replace(/^\//, "") === location.pathname.replace(/^\//, "")) {
if (location.hostname === this.hostname) { if (location.hostname === this.hostname) {
const hash = decodeURI(this.hash); const hash = decodeURI(this.hash);
@ -28,6 +31,7 @@ $(function() {
let parent = $(this).parent().prop("tagName"); let parent = $(this).parent().prop("tagName");
let isAnchor = RegExp(/^H\d/).test(parent); let isAnchor = RegExp(/^H\d/).test(parent);
let isMobileViews = !$topbarTitle.is(":hidden");
if (typeof $target !== "undefined") { if (typeof $target !== "undefined") {
event.preventDefault(); event.preventDefault();
@ -37,30 +41,27 @@ $(function() {
} }
let curOffset = isAnchor? $(this).offset().top : $(window).scrollTop(); let curOffset = isAnchor? $(this).offset().top : $(window).scrollTop();
let destOffset = $target.offset().top; let destOffset = $target.offset().top -= REM / 2;
if (destOffset < curOffset) { // scroll up if (destOffset < curOffset) { // scroll up
if (toFootnoteRef) { if (!isAnchor && !toFootnote) { // trigger by ToC item
// Avoid the top-bar covering `fnref` when scrolling up if (!isMobileViews) { // on desktop/tablet screens
// because `fnref` has no `%anchor`(see: module.scss) style. $topbarWrapper.removeClass("topbar-down").addClass("topbar-up");
destOffset -= (topbarHeight + REM / 2); // Send message to `${JS_ROOT}/commons/topbar-switch.js`
$topbarWrapper.attr(ATTR_TOC_SCROLLING, true);
tocScrollUpCount += 1;
}
} }
if (isAnchor && $topbarTitle.is(":hidden")) { if ((isAnchor || toFootnoteRef) && isMobileViews) {
destOffset += topbarHeight; destOffset -= topbarHeight;
} console.log(`[smooth] mobile -= topbar height`);
} else { // scroll down
if (!isAnchor && !toFootnote) { // the ToC item
destOffset += topbarHeight;
} }
} }
$("html,body").animate({ $("html").animate({
scrollTop: destOffset scrollTop: destOffset
}, 800, () => { }, 500, () => {
// const $target = $($target);
$target.focus(); $target.focus();
/* clean up old scroll mark */ /* clean up old scroll mark */
@ -84,6 +85,14 @@ $(function() {
$target.attr("tabindex", "-1"); /* Adding tabindex for elements not focusable */ $target.attr("tabindex", "-1"); /* Adding tabindex for elements not focusable */
$target.focus(); /* Set focus again */ $target.focus(); /* Set focus again */
} }
if (typeof $topbarWrapper.attr(ATTR_TOC_SCROLLING) !== "undefined") {
tocScrollUpCount -= 1;
if (tocScrollUpCount <= 0) {
$topbarWrapper.attr(ATTR_TOC_SCROLLING, "false");
}
}
}); });
} }
} }

10
_sass/addon/commons.scss
View file

@ -62,7 +62,7 @@ h2 {
h3 { h3 {
@extend %heading; @extend %heading;
@extend %section; @extend %section;
@extend %anchor-relative; @extend %anchor;
font-size: 1.2rem; font-size: 1.2rem;
} }
@ -196,10 +196,6 @@ img[data-src] {
position: sticky; position: sticky;
} }
&.topbar-down {
top: 6rem;
}
> div { > div {
padding-left: 1rem; padding-left: 1rem;
border-left: 1px solid var(--main-border-color); border-left: 1px solid var(--main-border-color);
@ -237,6 +233,10 @@ img[data-src] {
transition: none; transition: none;
} }
} }
&.topbar-down > div {
top: 6rem;
}
} }
#access-lastmod { #access-lastmod {

32
_sass/addon/module.scss
View file

@ -11,30 +11,32 @@
} }
%section { %section {
padding-top: 3.5rem;
margin-top: -2.5rem;
#core-wrapper & { #core-wrapper & {
line-height: 1.2; margin-top: 2.5rem;
margin-bottom: 1rem; margin-bottom: 2rem;
} }
} }
%anchor { %anchor {
> a { > a {
font-size: 70%; font-size: 1rem;
visibility: hidden; margin-left: 0.5rem;
margin-left: 0.25rem;
border-bottom: none !important;
opacity: 0;
transition: opacity 0.25s ease-in, visibility 0s ease-in 0.25s;
} }
&:hover { @media (hover: hover) {
> a { > a {
visibility: visible; border-bottom: none !important;
opacity: 1; visibility: hidden;
transition: opacity 0.25s ease-in, visibility 0s ease-in 0s; opacity: 0;
transition: opacity 0.25s ease-in, visibility 0s ease-in 0.25s;
}
&:hover {
> a {
visibility: visible;
opacity: 1;
transition: opacity 0.25s ease-in, visibility 0s ease-in 0s;
}
} }
} }
} }

5
_sass/layout/post.scss
View file

@ -145,11 +145,6 @@ img.preview-img {
top: 4rem; top: 4rem;
transition: top 0.2s ease-in-out; transition: top 0.2s ease-in-out;
animation: fade-up 0.8s; animation: fade-up 0.8s;
&.topbar-down {
top: 6rem;
}
} }
#toc li a { #toc li a {

2
assets/js/dist/categories.min.js vendored
View file

@ -3,4 +3,4 @@
* © 2019 Cotes Chung * © 2019 Cotes Chung
* MIT Licensed * MIT Licensed
*/ */
$(function(){$(window).scroll(()=>{50<$(this).scrollTop()&&"none"===$("#sidebar-trigger").css("display")?$("#back-to-top").fadeIn():$("#back-to-top").fadeOut()}),$("#back-to-top").click(()=>($("body,html").animate({scrollTop:0},800),!1))}),$(function(){$(".mode-toggle").click(e=>{const o=$(e.target);let t=o.prop("tagName")==="button".toUpperCase()?o:o.parent();t.blur(),flipMode()})}),$(function(){const e=$("#sidebar-trigger"),o=$("#search-trigger"),t=$("#search-cancel"),s=$("#search-cleaner"),a=$("#main"),l=$("#topbar-title"),n=$("#search-wrapper"),r=$("#search-result-wrapper"),d=$("#search-results"),i=$("#search-input"),c=$("#search-hints"),u=function(){let e=0;return{block(){e=window.scrollY,$("html,body").scrollTop(0)},release(){$("html,body").scrollTop(e)},getOffset(){return e}}}(),f={on(){e.addClass("unloaded"),l.addClass("unloaded"),o.addClass("unloaded"),n.addClass("d-flex"),t.addClass("loaded")},off(){t.removeClass("loaded"),n.removeClass("d-flex"),e.removeClass("unloaded"),l.removeClass("unloaded"),o.removeClass("unloaded")}},p=function(){let e=!1;return{on(){e||(u.block(),r.removeClass("unloaded"),a.addClass("unloaded"),e=!0)},off(){e&&(d.empty(),c.hasClass("unloaded")&&c.removeClass("unloaded"),r.addClass("unloaded"),s.removeClass("visible"),a.removeClass("unloaded"),u.release(),i.val(""),e=!1)},isVisible(){return e}}}();function h(){return t.hasClass("loaded")}o.click(function(){f.on(),p.on(),i.focus()}),t.click(function(){f.off(),p.off()}),i.focus(function(){n.addClass("input-focus")}),i.focusout(function(){n.removeClass("input-focus")}),i.on("keyup",function(e){8===e.keyCode&&""===i.val()?h()?c.removeClass("unloaded"):p.off():""!==i.val()&&(p.on(),s.hasClass("visible")||s.addClass("visible"),h()&&c.addClass("unloaded"))}),s.on("click",function(){i.val(""),h()?(c.removeClass("unloaded"),d.empty()):p.off(),i.focus(),s.removeClass("visible")})}),$(function(){var e=function(){const e="sidebar-display";let o=!1;const t=$("body");return{toggle(){!1===o?t.attr(e,""):t.removeAttr(e),o=!o}}}();$("#sidebar-trigger").click(e.toggle),$("#mask").click(e.toggle)}),$(function(){$('[data-toggle="tooltip"]').tooltip()}),$(function(){const o=$("#topbar-wrapper"),t=$("#toc-wrapper"),s=$(".access"),a=$("#search-input");let l,n=0;const r=o.outerHeight();$(window).scroll(function(e){$("#topbar-title").is(":hidden")&&(l=!0)}),setInterval(function(){l&&(function(){var e=$(this).scrollTop();Math.abs(n-e)<=5||(e>n&&e>r?(o.removeClass("topbar-down").addClass("topbar-up"),0<t.length&&t.removeClass("topbar-down"),0<s.length&&s.removeClass("topbar-down"),a.is(":focus")&&a.blur()):e+$(window).height()<$(document).height()&&(o.removeClass("topbar-up").addClass("topbar-down"),0<t.length&&t.addClass("topbar-down"),0<s.length&&s.addClass("topbar-down")),n=e)}(),l=!1)},250)}),$(function(){const e=$("#topbar-title"),o=$("div.post>h1"),t=e.text().trim();let s=(0<o.length?o:$("h1")).text().trim();($("#page-category").length||$("#page-tag").length)&&/\s/.test(s)&&(s=s.replace(/[0-9]/g,"").trim()),$(window).scroll(function(){return!($("#post-list").length||o.is(":hidden")||e.is(":hidden")||$("#sidebar.sidebar-expand").length)&&void(95<=$(this).scrollTop()?e.text()!==s&&e.text(s):e.text()!==t&&e.text(t))}),e.click(function(){$("body,html").animate({scrollTop:0},800)})}),$(function(){const e=$(".collapse");e.on("hide.bs.collapse",function(){var e="h_"+$(this).attr("id").substring("l_".length);e&&($(`#${e} .far.fa-folder-open`).attr("class","far fa-folder fa-fw"),$(`#${e} i.fas`).addClass("rotate"),$("#"+e).removeClass("hide-border-bottom"))}),e.on("show.bs.collapse",function(){var e="h_"+$(this).attr("id").substring("l_".length);e&&($(`#${e} .far.fa-folder`).attr("class","far fa-folder-open fa-fw"),$(`#${e} i.fas`).removeClass("rotate"),$("#"+e).addClass("hide-border-bottom"))})}); $(function(){$(window).scroll(()=>{50<$(this).scrollTop()&&"none"===$("#sidebar-trigger").css("display")?$("#back-to-top").fadeIn():$("#back-to-top").fadeOut()}),$("#back-to-top").click(()=>($("body,html").animate({scrollTop:0},800),!1))}),$(function(){$(".mode-toggle").click(e=>{const o=$(e.target);let t=o.prop("tagName")==="button".toUpperCase()?o:o.parent();t.blur(),flipMode()})}),$(function(){const e=$("#sidebar-trigger"),o=$("#search-trigger"),t=$("#search-cancel"),s=$("#search-cleaner"),a=$("#main"),l=$("#topbar-title"),r=$("#search-wrapper"),n=$("#search-result-wrapper"),d=$("#search-results"),i=$("#search-input"),c=$("#search-hints"),u=function(){let e=0;return{block(){e=window.scrollY,$("html,body").scrollTop(0)},release(){$("html,body").scrollTop(e)},getOffset(){return e}}}(),f={on(){e.addClass("unloaded"),l.addClass("unloaded"),o.addClass("unloaded"),r.addClass("d-flex"),t.addClass("loaded")},off(){t.removeClass("loaded"),r.removeClass("d-flex"),e.removeClass("unloaded"),l.removeClass("unloaded"),o.removeClass("unloaded")}},p=function(){let e=!1;return{on(){e||(u.block(),n.removeClass("unloaded"),a.addClass("unloaded"),e=!0)},off(){e&&(d.empty(),c.hasClass("unloaded")&&c.removeClass("unloaded"),n.addClass("unloaded"),s.removeClass("visible"),a.removeClass("unloaded"),u.release(),i.val(""),e=!1)},isVisible(){return e}}}();function h(){return t.hasClass("loaded")}o.click(function(){f.on(),p.on(),i.focus()}),t.click(function(){f.off(),p.off()}),i.focus(function(){r.addClass("input-focus")}),i.focusout(function(){r.removeClass("input-focus")}),i.on("keyup",function(e){8===e.keyCode&&""===i.val()?h()?c.removeClass("unloaded"):p.off():""!==i.val()&&(p.on(),s.hasClass("visible")||s.addClass("visible"),h()&&c.addClass("unloaded"))}),s.on("click",function(){i.val(""),h()?(c.removeClass("unloaded"),d.empty()):p.off(),i.focus(),s.removeClass("visible")})}),$(function(){var e=function(){const e="sidebar-display";let o=!1;const t=$("body");return{toggle(){!1===o?t.attr(e,""):t.removeAttr(e),o=!o}}}();$("#sidebar-trigger").click(e.toggle),$("#mask").click(e.toggle)}),$(function(){$('[data-toggle="tooltip"]').tooltip()}),$(function(){const t=$("#topbar-wrapper"),s=$("#panel-wrapper"),a=$("#search-input"),l="topbar-up",r="topbar-down",n="toc-scrolling-up";let o,d=0;const i=t.outerHeight(),c=t.outerHeight();$(window).scroll(function(e){$("#topbar-title").is(":hidden")&&(o=!0)}),setInterval(function(){o&&(function(){var e,o=$(this).scrollTop();Math.abs(d-o)<=i||(o>d?o>c&&(t.removeClass(r).addClass(l),s.removeClass(r),a.is(":focus")&&a.blur()):o+$(window).height()<$(document).height()&&(void 0!==(e=t.attr(n))?"false"===e&&t.removeAttr(n):(t.removeClass(l).addClass(r),s.addClass(r))),d=o)}(),o=!1)},250)}),$(function(){const e=$("#topbar-title"),o=$("div.post>h1"),t=e.text().trim();let s=(0<o.length?o:$("h1")).text().trim();($("#page-category").length||$("#page-tag").length)&&/\s/.test(s)&&(s=s.replace(/[0-9]/g,"").trim()),$(window).scroll(function(){return!($("#post-list").length||o.is(":hidden")||e.is(":hidden")||$("#sidebar.sidebar-expand").length)&&void(95<=$(this).scrollTop()?e.text()!==s&&e.text(s):e.text()!==t&&e.text(t))}),e.click(function(){$("body,html").animate({scrollTop:0},800)})}),$(function(){const e=$(".collapse");e.on("hide.bs.collapse",function(){var e="h_"+$(this).attr("id").substring("l_".length);e&&($(`#${e} .far.fa-folder-open`).attr("class","far fa-folder fa-fw"),$(`#${e} i.fas`).addClass("rotate"),$("#"+e).removeClass("hide-border-bottom"))}),e.on("show.bs.collapse",function(){var e="h_"+$(this).attr("id").substring("l_".length);e&&($(`#${e} .far.fa-folder`).attr("class","far fa-folder-open fa-fw"),$(`#${e} i.fas`).removeClass("rotate"),$("#"+e).addClass("hide-border-bottom"))})});

2
assets/js/dist/commons.min.js vendored
View file

@ -3,4 +3,4 @@
* © 2019 Cotes Chung * © 2019 Cotes Chung
* MIT Licensed * MIT Licensed
*/ */
$(function(){$(window).scroll(()=>{50<$(this).scrollTop()&&"none"===$("#sidebar-trigger").css("display")?$("#back-to-top").fadeIn():$("#back-to-top").fadeOut()}),$("#back-to-top").click(()=>($("body,html").animate({scrollTop:0},800),!1))}),$(function(){$(".mode-toggle").click(e=>{const o=$(e.target);let t=o.prop("tagName")==="button".toUpperCase()?o:o.parent();t.blur(),flipMode()})}),$(function(){const e=$("#sidebar-trigger"),o=$("#search-trigger"),t=$("#search-cancel"),s=$("#search-cleaner"),a=$("#main"),l=$("#topbar-title"),n=$("#search-wrapper"),r=$("#search-result-wrapper"),d=$("#search-results"),i=$("#search-input"),c=$("#search-hints"),u=function(){let e=0;return{block(){e=window.scrollY,$("html,body").scrollTop(0)},release(){$("html,body").scrollTop(e)},getOffset(){return e}}}(),p={on(){e.addClass("unloaded"),l.addClass("unloaded"),o.addClass("unloaded"),n.addClass("d-flex"),t.addClass("loaded")},off(){t.removeClass("loaded"),n.removeClass("d-flex"),e.removeClass("unloaded"),l.removeClass("unloaded"),o.removeClass("unloaded")}},f=function(){let e=!1;return{on(){e||(u.block(),r.removeClass("unloaded"),a.addClass("unloaded"),e=!0)},off(){e&&(d.empty(),c.hasClass("unloaded")&&c.removeClass("unloaded"),r.addClass("unloaded"),s.removeClass("visible"),a.removeClass("unloaded"),u.release(),i.val(""),e=!1)},isVisible(){return e}}}();function h(){return t.hasClass("loaded")}o.click(function(){p.on(),f.on(),i.focus()}),t.click(function(){p.off(),f.off()}),i.focus(function(){n.addClass("input-focus")}),i.focusout(function(){n.removeClass("input-focus")}),i.on("keyup",function(e){8===e.keyCode&&""===i.val()?h()?c.removeClass("unloaded"):f.off():""!==i.val()&&(f.on(),s.hasClass("visible")||s.addClass("visible"),h()&&c.addClass("unloaded"))}),s.on("click",function(){i.val(""),h()?(c.removeClass("unloaded"),d.empty()):f.off(),i.focus(),s.removeClass("visible")})}),$(function(){var e=function(){const e="sidebar-display";let o=!1;const t=$("body");return{toggle(){!1===o?t.attr(e,""):t.removeAttr(e),o=!o}}}();$("#sidebar-trigger").click(e.toggle),$("#mask").click(e.toggle)}),$(function(){$('[data-toggle="tooltip"]').tooltip()}),$(function(){const o=$("#topbar-wrapper"),t=$("#toc-wrapper"),s=$(".access"),a=$("#search-input");let l,n=0;const r=o.outerHeight();$(window).scroll(function(e){$("#topbar-title").is(":hidden")&&(l=!0)}),setInterval(function(){l&&(function(){var e=$(this).scrollTop();Math.abs(n-e)<=5||(e>n&&e>r?(o.removeClass("topbar-down").addClass("topbar-up"),0<t.length&&t.removeClass("topbar-down"),0<s.length&&s.removeClass("topbar-down"),a.is(":focus")&&a.blur()):e+$(window).height()<$(document).height()&&(o.removeClass("topbar-up").addClass("topbar-down"),0<t.length&&t.addClass("topbar-down"),0<s.length&&s.addClass("topbar-down")),n=e)}(),l=!1)},250)}),$(function(){const e=$("#topbar-title"),o=$("div.post>h1"),t=e.text().trim();let s=(0<o.length?o:$("h1")).text().trim();($("#page-category").length||$("#page-tag").length)&&/\s/.test(s)&&(s=s.replace(/[0-9]/g,"").trim()),$(window).scroll(function(){return!($("#post-list").length||o.is(":hidden")||e.is(":hidden")||$("#sidebar.sidebar-expand").length)&&void(95<=$(this).scrollTop()?e.text()!==s&&e.text(s):e.text()!==t&&e.text(t))}),e.click(function(){$("body,html").animate({scrollTop:0},800)})}); 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@ -3,4 +3,4 @@
* © 2019 Cotes Chung * © 2019 Cotes Chung
* MIT Licensed * MIT Licensed
*/ */
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