sp-magic.de/bower_components/foundation-sites/scss/grid/_flex-grid.scss

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2016-10-28 17:56:41 +00:00
// Foundation for Sites by ZURB
// foundation.zurb.com
// Licensed under MIT Open Source
////
/// @group flex-grid
////
/// Creates a container for a flex grid row.
///
/// @param {Keyword|List} $behavior [null]
/// Modifications to the default grid styles. `nest` indicates the row will be placed inside another row. `collapse` indicates that the columns inside this row will not have padding. `nest collapse` combines both behaviors.
/// @param {Number} $width [$grid-row-width] - Maximum width of the row.
/// @param {Number} $columns [null] - Number of columns to use for this row. If set to `null` (the default), the global column count will be used.
/// @param {Boolean} $base [true] - Set to `false` to prevent basic styles from being output. Useful if you're calling this mixin on the same element twice, as it prevents duplicate CSS output.
/// @param {Number} $gutter [$grid-column-gutter] - Gutter to use when inverting margins, in case the row is nested.
@mixin flex-grid-row(
$behavior: null,
$width: $grid-row-width,
$columns: null,
$base: true,
$gutter: $grid-column-gutter
) {
$margin: auto;
@if index($behavior, nest) != null {
@include grid-row-nest($gutter);
@if index($behavior, collapse) != null {
margin-left: 0;
margin-right: 0;
}
}
@else {
max-width: $width;
margin-left: auto;
margin-right: auto;
}
@if $base {
display: flex;
flex-flow: row wrap;
}
@if $columns != null {
@include grid-context($columns, $base) {
@content;
}
}
}
/// Calculates the `flex` property for a flex grid column. It accepts all of the same values as the basic `grid-column()` function, along with two extras:
/// - `null` (the default) will make the column expand to fill space.
/// - `shrink` will make the column contract, so it only takes up the horizontal space it needs.
///
/// @param {Mixed} $columns [null] - Width of the column.
@function flex-grid-column($columns: null) {
// scss-lint:disable ZeroUnit
$flex: 1 1 0px;
@if $columns == shrink {
$flex: 0 0 auto;
}
@else if $columns != null {
$flex: 0 0 grid-column($columns);
}
@return $flex;
}
/// Creates a column for a flex grid. By default, the column will stretch to the full width of its container, but this can be overridden with sizing classes, or by using the `unstack` class on the parent flex row.
///
/// @param {Mixed} $columns [null] - Width of the column. Refer to the `flex-grid-column()` function to see possible values.
/// @param {Number} $gutter [$grid-column-gutter] - Space between columns, added as a left and right padding.
@mixin flex-grid-column(
$columns: null,
$gutter: $grid-column-gutter
) {
// Base properties
flex: flex-grid-column($columns);
// Gutters
@if type-of($gutter) == 'map' {
@each $breakpoint, $value in $gutter {
$padding: rem-calc($value) / 2;
@include breakpoint($breakpoint) {
padding-left: $padding;
padding-right: $padding;
}
}
}
@else if type-of($gutter) == 'number' and strip-unit($gutter) > 0 {
$padding: rem-calc($gutter) / 2;
padding-left: $padding;
padding-right: $padding;
}
// fixes recent Chrome version not limiting child width
// https://stackoverflow.com/questions/34934586/white-space-nowrap-and-flexbox-did-not-work-in-chrome
@if $columns == null {
min-width: initial;
}
// max-width fixes IE 10/11 not respecting the flex-basis property
@if $columns != null and $columns != shrink {
max-width: grid-column($columns);
}
}
/// Creates a block grid for a flex grid row.
///
/// @param {Number} $n - Number of columns to display on each row.
/// @param {String} $selector - Selector to use to target columns within the row.
@mixin flex-grid-layout(
$n,
$selector: '.column'
) {
flex-wrap: wrap;
> #{$selector} {
$pct: percentage(1/$n);
flex: 0 0 $pct;
max-width: $pct;
}
}
/// Changes the source order of a flex grid column. Columns with lower numbers appear first in the layout.
/// @param {Number} $order [0] - Order number to apply.
@mixin flex-grid-order($order: 0) {
@warn 'This mixin is being replaced by flex-order(). flex-grid-order() will be removed in Foundation 6.3.';
@include flex-order($order);
}
/// Horizontally or vertically aligns the columns within a flex row. Apply this mixin to a flex row.
///
/// @param {Keyword} $x [null] - Horizontal alignment to use. Can be `left`, `right`, `center`, `justify`, or `spaced`. Or, set it to `null` (the default) to not set horizontal alignment.
/// @param {Keyword} $y [null] - Vertical alignment to use. Can be `top`, `bottom`, `middle`, or `stretch`. Or, set it to `null` (the default) to not set vertical alignment.
@mixin flex-grid-row-align($x: null, $y: null) {
@warn 'This mixin is being replaced by flex-align(). flex-grid-row-align() will be removed in Foundation 6.3.';
@include flex-align($x, $y);
}
/// Vertically align a single column within a flex row. Apply this mixin to a flex column.
///
/// @param {Keyword} $y [null] - Vertical alignment to use. Can be `top`, `bottom`, `middle`, or `stretch`. Or, set it to `null` (the default) to not set vertical alignment.
@mixin flex-grid-column-align($y: null) {
@warn 'This mixin is being replaced by flex-align-self(). flex-grid-column-align() will be removed in Foundation 6.3.';
@include flex-align-self($y);
}
@mixin foundation-flex-grid {
// Row
.row {
@include flex-grid-row;
// Nesting behavior
& & {
@include flex-grid-row(nest, $base: false);
}
// Expanded row
&.expanded {
max-width: none;
}
&.collapse {
> .column { @include grid-col-collapse; }
}
}
// Column
.column {
@include flex-grid-column;
}
// Column row
// The double .row class is needed to bump up the specificity
.column.row.row {
float: none;
display: block;
// To properly nest a column row, padding and margin is removed
.row & {
padding-left: 0;
padding-right: 0;
margin-left: 0;
margin-right: 0;
}
}
@include -zf-each-breakpoint {
@for $i from 1 through $grid-column-count {
// Sizing (percentage)
.#{$-zf-size}-#{$i} {
flex: flex-grid-column($i);
max-width: grid-column($i);
}
// Offsets
$o: $i - 1;
.#{$-zf-size}-offset-#{$o} {
@include grid-column-offset($o);
}
}
// Source ordering
@for $i from 1 through 6 {
.#{$-zf-size}-order-#{$i} {
@include flex-order($i);
}
}
// Block grid
@for $i from 1 through $block-grid-max {
.#{$-zf-size}-up-#{$i} {
@include flex-grid-layout($i);
}
}
@if $-zf-size != $-zf-zero-breakpoint {
// Sizing (expand)
@include breakpoint($-zf-size) {
.#{$-zf-size}-expand {
flex: flex-grid-column();
}
}
// Auto-stacking/unstacking
@at-root (without: media) {
.row.#{$-zf-size}-unstack {
> .column {
flex: flex-grid-column(100%);
@include breakpoint($-zf-size) {
flex: flex-grid-column();
}
}
}
}
}
// Responsive collapsing
.#{$-zf-size}-collapse {
> .column { @include grid-col-collapse; }
}
.#{$-zf-size}-uncollapse {
$gutter: -zf-get-bp-val($grid-column-gutter, $-zf-size);
> .column { @include grid-col-uncollapse($gutter); }
}
}
// Sizing (shrink)
.shrink {
flex: flex-grid-column(shrink);
max-width: 100%;
}
// Vertical alignment using align-items and align-self
// Remove these in 6.3
@each $vdir, $prop in $-zf-flex-align {
.column.align-#{$vdir} {
@include flex-align-self($vdir);
}
}
.columns {
// scss-lint:disable PlaceholderInExtend
@extend .column;
}
}