mediawiki-skins-Vector/resources/skins.vector.styles/components/TableOfContents.less
Moh'd Khier Abualruz 5a32955311 [RTL, TOC] The arrow before collapsible sections in sidebar is clipped
The table of contents has since been reflected to
not use calc statement anymore and pre-calculate the value,
cssjanus flips this value properly so this rule can safely be removed.

Bug: T314652
Related-To: I75dd87536f70da55c9fa7e0e29ed6b4040d2ddf4
Change-Id: Ibb390589f449bc20c6f38f66c1e617fa3fa82aab
2022-09-19 19:52:38 +00:00

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@import '../../common/variables.less';
@sidebar-toc-fade-height: 30px;
@sidebar-toc-vertical-padding: 20px;
@sidebar-toc-right-padding: 12px;
// Sidebar TOC uses increased left padding and a negative left margin to achieve
// a 15px spacing without clipping the chevron icon
// https://phabricator.wikimedia.org/T312156#8095894
@sidebar-toc-left-padding: 15px + @icon-padding-md;
@toc-subsection-toggle-icon-size: 1.834em;
.mw-table-of-contents-container {
// Needed for Grid-based layout
align-self: start;
height: 100%;
}
.vector-sticky-toc-container {
// stylelint-disable-next-line plugin/no-unsupported-browser-features
position: sticky;
top: 0;
@media ( min-width: @min-width-desktop ) {
.vector-toc-not-collapsed & {
// Default spacing separating the sidebar TOC from the main menu or viewport.
// Need to use padding in order for the spacing to apply when sticky
padding-top: 1.5em;
}
.vector-toc-not-collapsed @{selector-main-menu-closed} ~ .mw-table-of-contents-container & {
// Needed to align TOC with bottom of title, 1.5em padding + 1.5em margin = 3em
margin-top: 1.5em;
}
}
}
.sidebar-toc {
max-height: 75vh;
padding: @sidebar-toc-vertical-padding @sidebar-toc-right-padding @sidebar-toc-vertical-padding @sidebar-toc-left-padding;
box-sizing: border-box;
overflow-y: auto;
overflow-x: hidden;
background-color: @background-color-page-container;
.sidebar-toc-header {
padding-bottom: 12px;
}
.sidebar-toc-title {
color: @color-base--subtle;
font-size: @font-size-base;
margin: 0;
padding: 0;
border: 0;
}
.sidebar-toc-numb {
display: none;
}
.sidebar-toc-toggle {
// For no-js users, toggling is disabled and icon is hidden
display: none;
position: absolute;
top: 1px; // visually center icon
left: ~'calc( -1 * @{toc-subsection-toggle-icon-size} - 1px )'; // leaves 6px between icon + text
width: @toc-subsection-toggle-icon-size; // ~22px @ 12
height: @toc-subsection-toggle-icon-size;
font-size: 0.75em; // reduces size of toggle icon to 12px @ 16
transition: @transition-duration-base;
cursor: pointer;
}
.sidebar-toc-link {
word-break: break-word;
color: @color-link;
display: block;
}
.sidebar-toc-list-item-active > .sidebar-toc-link {
// Highlight active section
color: @color-base;
font-weight: bold;
// increase width to prevent line wrapping due to bold text
width: ~'calc( 100% + @{sidebar-toc-right-padding} )';
}
.sidebar-toc-text {
padding: 4px 0;
}
.sidebar-toc-contents,
.sidebar-toc-list {
margin: 0;
list-style: none;
line-height: 18px;
}
.sidebar-toc-list-item {
display: block;
position: relative;
list-style-type: none;
padding-left: 8px;
&.sidebar-toc-level-1 {
padding-left: 0;
}
a {
font-size: @font-size-base;
}
}
}
// T302076: Add fade scrollable indicator when TOC is in sidebar
// Avoid showing indicator when the TOC is floating, or collapsed in the page title/sticky header
@media ( min-width: @min-width-desktop ) {
.vector-toc-not-collapsed .sidebar-toc:after {
content: '';
display: block;
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: @sidebar-toc-fade-height;
background: linear-gradient( rgba( 255, 255, 255, 0 ), @background-color-page-container );
background-repeat: no-repeat;
background-position: -@sidebar-toc-right-padding; // T311436 Hacky way to prevent the fade from covering the scrollbar
pointer-events: none; // Make the link below the fade clickable
}
}
// Collapse ToC sections by default, excluding no-js
.client-js .sidebar-toc {
.sidebar-toc-level-1 .sidebar-toc-list-item {
display: none;
}
.sidebar-toc-level-1.sidebar-toc-list-item-expanded .sidebar-toc-list-item {
display: block;
}
.sidebar-toc-toggle {
display: block;
}
.sidebar-toc-level-1.sidebar-toc-list-item-expanded .sidebar-toc-toggle {
transform: rotate( 0deg );
}
}
.client-js body.ltr .sidebar-toc .sidebar-toc-toggle {
transform: rotate( -90deg );
}
.client-js body.rtl .sidebar-toc .sidebar-toc-toggle {
transform: rotate( 90deg );
}