muk_web/muk_web_utils/static/src/scss/switch.scss

/**********************************************************************************
*
*    Copyright (c) 2017-2019 MuK IT GmbH.
*
*    This file is part of MuK Web Utils 
*    (see https://mukit.at).
*
*    This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU Lesser General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU Lesser General Public License for more details.
*
*    You should have received a copy of the GNU Lesser General Public License
*    along with this program. If not, see <http://www.gnu.org/licenses/>.
*
**********************************************************************************/

.switch {
  font-size: $font-size-base;
  position: relative;

  input {
    position: absolute;
    height: 1px;
    width: 1px;
    background: none;
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    overflow: hidden;
    padding: 0;

    + label {
      position: relative;
      min-width: calc(#{$switch-height} * 2);
      border-radius: $switch-border-radius;
      height: $switch-height;
      line-height: $switch-height;
      display: inline-block;
      cursor: pointer;
      outline: none;
      user-select: none;
      vertical-align: middle;
      text-indent: calc(calc(#{$switch-height} * 2) + .5rem);
    }

    + label::before,
    + label::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: calc(#{$switch-height} * 2);
      bottom: 0;
      display: block;
    }

    + label::before {
      right: 0;
      background-color: $switch-bg;
      border-radius: $switch-border-radius;
      transition: $switch-transition;
    }

    + label::after {
      top: $switch-thumb-padding;
      left: $switch-thumb-padding;
      width: calc(#{$switch-height} - calc(#{$switch-thumb-padding} * 2));
      height: calc(#{$switch-height} - calc(#{$switch-thumb-padding} * 2));
      border-radius: $switch-thumb-border-radius;
      background-color: $switch-thumb-bg;
      transition: $switch-transition;
    }

    &:checked + label::before {
      background-color: $switch-checked-bg;
    }

    &:checked + label::after {
      margin-left: $switch-height;
    }

    &:focus + label::before {
      outline: none;
      box-shadow: $switch-focus-box-shadow;
    }

    &:disabled + label {
      color: $switch-disabled-color;
      cursor: not-allowed;
    }

    &:disabled + label::before {
      background-color: $switch-disabled-bg;
    }
  }

  &.switch-sm {
    font-size: $font-size-sm;

    input {
      + label {
        min-width: calc(#{$switch-height-sm} * 2);
        height: $switch-height-sm;
        line-height: $switch-height-sm;
        text-indent: calc(calc(#{$switch-height-sm} * 2) + .5rem);
      }

      + label::before {
        width: calc(#{$switch-height-sm} * 2);
      }

      + label::after {
        width: calc(#{$switch-height-sm} - calc(#{$switch-thumb-padding} * 2));
        height: calc(#{$switch-height-sm} - calc(#{$switch-thumb-padding} * 2));
      }

      &:checked + label::after {
        margin-left: $switch-height-sm;
      }
    }
  }

  &.switch-lg {
    font-size: $font-size-lg;

    input {
      + label {
        min-width: calc(#{$switch-height-lg} * 2);
        height: $switch-height-lg;
        line-height: $switch-height-lg;
        text-indent: calc(calc(#{$switch-height-lg} * 2) + .5rem);
      }

      + label::before {
        width: calc(#{$switch-height-lg} * 2);
      }

      + label::after {
        width: calc(#{$switch-height-lg} - calc(#{$switch-thumb-padding} * 2));
        height: calc(#{$switch-height-lg} - calc(#{$switch-thumb-padding} * 2));
      }

      &:checked + label::after {
        margin-left: $switch-height-lg;
      }
    }
  }

  + .switch {
    margin-left: 1rem;
  }
}