mediawiki-skins-Vector/resources/skins.vector.styles/MenuDropdown.less
jdlrobson cb7ca11274 Reduce distribution of legacy classes
The .menu class historically only needs to apply to dropdowns.
the .vectorMenuCheckbox is inconsistent with the other classes on the
menu so we should begin its deprecation.

Bug: T253329
Change-Id: I00b4d2fd795195cd9c8add650a3b3cafdced5465
2020-05-26 20:22:08 +00:00

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@import '../../variables.less';
@import 'mediawiki.mixins.less';
/* Variants and Actions */
// FIXME: For cached HTML
.vectorMenu,
.vector-menu-dropdown {
direction: ltr;
float: left;
cursor: pointer;
position: relative;
line-height: 1.125em;
h3 {
color: @color-nav-subtle;
position: relative;
display: block;
.box-sizing( border-box );
// `padding-top` needs to scale with font-size.
padding-top: 1.25em;
padding-left: 8px;
padding-right: unit( 24 / @font-size-tabs / @font-size-browser, em );
font-size: @font-size-tabs;
font-weight: normal;
&:after {
content: '';
.background-image-svg( 'images/arrow-down.svg', 'images/arrow-down.png' );
background-position: 100% 50%;
background-repeat: no-repeat;
position: absolute;
top: unit( 10 / @font-size-tabs / @font-size-browser, em );
right: 8px;
bottom: 0;
width: unit( 16 / @font-size-tabs / @font-size-browser, em );
// Modify the color of the image from the default #202122 to approx. #404244 to match the text.
opacity: 0.84;
}
&:hover,
&:focus {
color: @color-base;
&:after {
opacity: 1;
}
}
}
.menu {
background-color: @background-color-base;
list-style: none none;
// Match the width of the dropdown "heading" (the tab)
min-width: 100%;
position: absolute;
top: 2.5em;
left: -@border-width-base;
margin: 0;
border: @border-width-base @border-style-base @border-color-base;
border-top-width: 0;
padding: 0;
box-shadow: 0 1px 1px 0 rgba( 0, 0, 0, 0.1 );
text-align: left;
opacity: 0;
visibility: hidden;
.transition( opacity 100ms );
z-index: @z-index-menu;
}
// FIXME: Drop .menu class after cache has cleared.
&:hover .menu,
&:hover .vector-menu-content-list {
opacity: 1;
visibility: visible;
}
// This is in a separate block, so that browsers supporting :hover but not :checked still apply the rule above
// Support: IE8
// FIXME: drop .menu selector when cache has cleared
.vectorMenuCheckbox:checked ~ .menu,
.vector-menu-checkbox:checked ~ .vector-menu-content-list {
opacity: 1;
visibility: visible;
}
li {
padding: 0;
margin: 0;
text-align: left;
line-height: 1em;
a {
color: @color-link;
display: block;
padding: 0.625em;
white-space: nowrap;
cursor: pointer;
font-size: @font-size-tabs;
}
}
.selected a,
.selected a:visited {
color: @color-link-selected;
text-decoration: none;
}
}
#mw-head .vectorMenu h3 {
// Tab separator: Outer end (right in LTR) border of "Actions" menu.
background-position: right bottom;
float: left;
height: unit( 40 / @font-size-tabs / @font-size-browser, em );
margin: 0 -@border-width-base 0 0;
// `padding-right` >= `1px` effectively moves the "background border" outside of the element to
// act like a real border. It is necessary for `.vectorMenu .menu` dropdown to align well.
// 0.5em equals `8px` at computed `font-size` of `14px` as visually harmonically with
// `padding-left` in `.vectorMenu h3 a`
padding-right: unit( 24 / @font-size-tabs / @font-size-browser, em );
}
// Tab Separators
// `.vectorTabs`: Outer start border (left in LTR) of tab row.
// `.vectorTabs a`: Border between tabs and outer end (right in LTR) border.
// `#mw-head .vectorMenu h3`: // Outer end (right in LTR) border of "Actions" menu.
.vectorTabs,
.vectorTabs a,
#mw-head .vectorMenu h3 {
background-image: url( images/tab-separator.png );
background-image: linear-gradient( to bottom, rgba( 167, 215, 249, 0 ) 0, @border-color-content 100% );
background-repeat: no-repeat;
// Contain gradient to 1px × 100% size and draw from top to bottom-left or -right corner.
background-size: @border-width-base 100%;
}
// Invisible checkbox covering the dropdown menu handle
.vectorMenuCheckbox {
cursor: pointer;
position: absolute;
top: 0;
left: 0;
z-index: @z-index-menu-checkbox;
opacity: 0;
width: 100%;
height: 100%;
margin: 0;
padding: 0;
// Hide the checkbox completely in browsers that don't support :checked
display: none;
:not( :checked ) > & {
// When the browser supports :checked, display it
display: block;
}
&:checked + h3:after {
transform: scaleY( -1 );
}
&:focus + h3 {
// Simulate browser focus ring
outline: dotted 1px; // Firefox style
outline: auto -webkit-focus-ring-color; // Webkit style
}
}