resources/src/mediawiki.ui/components/icons.less

   1 @import "mediawiki.mixins";
   2
   3 // Variables
   4 @iconSize: 1.4em;
   5 @gutterWidth: 1em;
   6
   7 // Mixins
   8 .mixin-mw-ui-icon-bgimage(@iconSvg, @iconPng) {
   9         &.mw-ui-icon:before {
  10                 .background-image-svg(@iconSvg, @iconPng);
  11         }
  12 }
  13
  14 // Icons
  15 //
  16 // To use icons you must be using a browser that supports pseudo elements.
  17 // This includes support for IE8.
  18 // http://caniuse.com/#feat=css-gencontent
  19 // Browsers that do not support either of these selectors will degrade to text only.
  20 //
  21 // Styleguide 4.
  22
  23 .mw-ui-icon {
  24         position: relative;
  25         min-height: @iconSize;
  26         min-width: @iconSize;
  27
  28         // Standalone icons
  29         //
  30         // Markup:
  31         // <div class="mw-ui-icon mw-ui-icon-element mw-ui-icon-ok">OK</div>
  32         // <div class="mw-ui-icon mw-ui-icon-element mw-ui-icon-ok mw-ui-button mw-ui-progressive">OK</div>
  33         //
  34         // Styleguide 4.1.1.
  35         &.mw-ui-icon-element {
  36                 @width: @iconSize + ( 2 * @gutterWidth );
  37
  38                 text-indent: -999px;
  39                 overflow: hidden;
  40                 width: @width;
  41                 min-width: @width;
  42                 max-width: @width;
  43                 &:before {
  44                         left: 0;
  45                         right: 0;
  46                         position: absolute;
  47                         margin: 0 @gutterWidth;
  48                 }
  49         }
  50
  51         &:before {
  52                 background-position: 50% 50%;
  53                 float: left;
  54                 display: block;
  55                 background-repeat: no-repeat;
  56                 background-size: 100% auto;
  57                 position: relative;
  58                 min-height: @iconSize;
  59                 content: '';
  60         }
  61
  62
  63         // Icons with text
  64         //
  65         // Markup:
  66         // <div class="mw-ui-icon mw-ui-icon-before mw-ui-icon-ok">OK</div>
  67         // <div class="mw-ui-icon mw-ui-icon-before mw-ui-icon-ok mw-ui-progressive mw-ui-button">OK</div>
  68         //
  69         // Styleguide 4.1.2
  70         &.mw-ui-icon-before {
  71                 &:before {
  72                         width: @iconSize;
  73                         margin-right: @gutterWidth;
  74                 }
  75         }
  76 }
  77
  78 // Icons
  79 .mw-ui-icon-ok {
  80         .mixin-mw-ui-icon-bgimage('images/ok.svg', 'images/ok.png');
  81 }