library/components/_panel.sass at master · mvcss/library · GitHub

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// *************************************
//
//   Panel
//   -> Sticky panel
//      CodePen: http://codepen.io/drewbarontini/pen/Cxuit
//
// -------------------------------------
//   Template (Haml)
// -------------------------------------
//
// .panel[scroll top--1of2|...]
//
//   .panel-content
//     / ...
//
// *************************************

// -------------------------------------
//   Functions
// -------------------------------------

// ----- Opposite Position ----- //

@function opposite-position($side)
  @if $side == 'top'
    @return 'bottom'
  @if $side == 'bottom'
    @return 'top'
  @if $side == 'left'
    @return 'right'
  @if $side == 'right'
    @return 'left'

// -------------------------------------
//   Helpers
// -------------------------------------

// ----- Stretch ----- //

.stretch
  bottom: 0
  left: 0
  position: absolute
  right: 0
  top: 0

// -------------------------------------
//   Variables
// -------------------------------------

// ----- Breakpoints ----- //

$panel-s: 44em !default
$panel-m: 64em !default

// ----- Settings ----- //

$panel-defaults: 's' $panel-s, 'm' $panel-m !default
$panel-columns: 5 !default

// ----- Sizing ----- //

$panel-space: 1.25em !default

// -------------------------------------
//   Base
// -------------------------------------

.panel
  @extend .stretch
  box-sizing: border-box
  overflow: hidden

// -------------------------------------
//   Modifiers
// -------------------------------------

// ----- Scroll ----- //

.panel--scroll
  overflow: auto

// -------------------------------------
//   Scaffolding
// -------------------------------------

// ----- Content ----- //

.panel-content
  padding: $panel-space

// -------------------------------------
//   Setup
// -------------------------------------

=panel-setup($side, $namespace: '')

  // ----- One Part ----- //

  .panel--#{$side}--#{$namespace}1of1
    #{opposite-position($side)}: 0

  // ----- Two Parts ----- //

  .panel--#{$side}--#{$namespace}1of2
    #{opposite-position($side)}: 50%

  // ----- Three Parts ----- //

  @if $panel-columns >= 3
    .panel--#{$side}--#{$namespace}1of3
      #{opposite-position($side)}: 66.666%
    .panel--#{$side}--#{$namespace}2of3
      #{opposite-position($side)}: 33.333%

  // ----- Four Parts ----- //

  @if $panel-columns >= 4
    .panel--#{$side}--#{$namespace}1of4
      #{opposite-position($side)}: 75%
    .panel--#{$side}--#{$namespace}3of4
      #{opposite-position($side)}: 25%

  @if $panel-columns >= 5
    .panel--#{$side}--#{$namespace}1of5
      #{opposite-position($side)}: 80%
    .panel--#{$side}--#{$namespace}2of5
      #{opposite-position($side)}: 60%
    .panel--#{$side}--#{$namespace}3of5
      #{opposite-position($side)}: 40%
    .panel--#{$side}--#{$namespace}4of5
      #{opposite-position($side)}: 20%

// -------------------------------------
//   Creation
// -------------------------------------

$panel-sides: top, right, bottom, left

@each $side in $panel-sides
  +panel-setup($side)

@each $device in $panel-defaults
  @media screen and (min-width: nth($device, 2))
    @each $side in $panel-sides
      +panel-setup($side, "#{nth($device, 1)}--")