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@import "mediawiki.mixins";
@import "mediawiki.ui/variables";
// Radio
//
// Styling radios in a way that works cross browser is a tricky problem to solve.
// In MediaWiki UI put a radio and label inside a mw-ui-radio div.
// This renders in all browsers except IE6-8 which do not support the :checked selector;
// these are kept backwards-compatible using the :not(#noop) selector.
// You should give the radio and label matching "id" and "for" attributes, respectively.
//
// Markup:
// <div class="mw-ui-radio">
// <input type="radio" id="kss-example-4" name="kss-example-4">
// <label for="kss-example-4">Standard radio</label>
// </div>
// <div class="mw-ui-radio">
// <input type="radio" id="kss-example-4-checked" name="kss-example-4" checked>
// <label for="kss-example-4-checked">Standard checked radio</label>
// </div>
// <div class="mw-ui-radio">
// <input type="radio" id="kss-example-4-disabled" name="kss-example-4-disabled" disabled>
// <label for="kss-example-4-disabled">Disabled radio</label>
// </div>
// <div class="mw-ui-radio">
// <input type="radio" id="kss-example-4-disabled-checked" name="kss-example-4-disabled" disabled checked>
// <label for="kss-example-4-disabled-checked">Disabled checked radio</label>
// </div>
//
// Styleguide 4.
.mw-ui-radio {
display: inline-block;
vertical-align: middle;
}
@radioSize: 2em;
// We use the not selector to cancel out styling on IE 8 and below.
// We also disable this styling on javascript disabled devices. This fixes the issue with
// Opera Mini where checking/unchecking doesn't apply styling but potentially leaves other
// more capable browsers with unstyled radio buttons.
.client-js .mw-ui-radio:not(#noop) {
// Position relatively so we can make use of absolute pseudo elements
position: relative;
line-height: @radioSize;
* {
// reset font sizes (see bug 72727)
font: inherit;
vertical-align: middle;
}
input[type="radio"] {
// we hide the input element as instead we will style the label that follows
// we use opacity so that VoiceOver software can still identify it
opacity: 0;
// ensure the invisible radio takes up the required width
width: @radioSize;
height: @radioSize;
// This is needed for Firefox mobile (See bug 71750 to workaround default Firefox stylesheet)
max-width: none;
margin-right: 0.4em;
// the pseudo before element of the label after the radio now looks like a radio
& + label::before {
.transition( 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) );
content: '';
cursor: pointer;
.box-sizing(border-box);
position: absolute;
left: 0;
border-radius: 100%;
width: @radioSize;
height: @radioSize;
background-color: #fff;
border: 1px solid @colorGray7;
.background-image-svg('images/radio_checked.svg', 'images/radio_checked.png');
.background-size( @radioSize, @radioSize );
background-repeat: no-repeat;
background-position: center center;
background-origin: border-box;
background-size: 0 0;
}
// when the input is checked, style the label pseudo before element that followed as a checked radio
&:checked + label::before {
background-size: 100% 100%;
}
&:active + label::before {
background-color: @colorGray13;
border-color: @colorGray13;
}
&:focus + label::before {
border-width: 2px;
}
&:focus:hover + label::before,
&:hover + label::before {
border-bottom-width: 3px;
}
// disabled radios have a gray background
&:disabled + label::before {
cursor: default;
background-color: @colorGray14;
border-color: @colorGray14;
}
// disabled and checked radios have a white circle
&:disabled:checked + label::before {
.background-image-svg('images/radio_disabled.svg', 'images/radio_disabled.png');
}
}
}
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