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Bootstrap/scss/_progress.scss
Patrick H. Lauke 26a3ef1bcb
Rework progress bar markup and styles (#36831)
* Rework progress bar markup and styles

Logically moves the various `role` and `aria-` attributes to the `.progress` element itself, leaving the `.progress-bar` to be used purely for the visual presentation. This fixes the problem #36736 that in certain browser/AT combinations, zero-value/zero-width progress bars are completely ignored and not announced.

For multiple/stacked progress bars, this PR introduces a new wrapper and class `.progress-stacked`, to accommodate for the fact that with the more logical structure above, we need full `.progress` elements with child `.progress-bar` elements, and can't get away with the fudge we had before of having a single `.progress` with multiple `.progress-bar`s.

Note that the old markup structures still work with this change, so this could be considered a non-breaking change - though one we definitely want to highlight as it's more accessible (as it now guarantees that zero-value/zero-width progress bars, whether on their own or as part of a multi/stacked bar, are actually announced)

* Add a note about progress bar change in migration guide

* Add notes with old markup examples and explanation

* Fix bundlewatch

* Update site/content/docs/5.2/components/progress.md

Co-authored-by: Julien Déramond <julien.deramond@orange.com>

* Reintroduce deleted styles

Turns out they're needed for correct positioning of text inside progress bar

* Move changes in markup to Migrationg guide, link to that from top of progress page, rewrite some content

* Fix typo in callout

* Clarify "Sizing" section

* Remove redundant "now"

Co-authored-by: Julien Déramond <julien.deramond@orange.com>
Co-authored-by: Julien Déramond <juderamond@gmail.com>
Co-authored-by: Mark Otto <markdotto@gmail.com>
Co-authored-by: Mark Otto <markd.otto@gmail.com>
2022-11-28 23:07:48 -08:00

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2.0 KiB
SCSS

// Disable animation if transitions are disabled
// scss-docs-start progress-keyframes
@if $enable-transitions {
@keyframes progress-bar-stripes {
0% { background-position-x: $progress-height; }
}
}
// scss-docs-end progress-keyframes
.progress,
.progress-stacked {
// scss-docs-start progress-css-vars
--#{$prefix}progress-height: #{$progress-height};
@include rfs($progress-font-size, --#{$prefix}progress-font-size);
--#{$prefix}progress-bg: #{$progress-bg};
--#{$prefix}progress-border-radius: #{$progress-border-radius};
--#{$prefix}progress-box-shadow: #{$progress-box-shadow};
--#{$prefix}progress-bar-color: #{$progress-bar-color};
--#{$prefix}progress-bar-bg: #{$progress-bar-bg};
--#{$prefix}progress-bar-transition: #{$progress-bar-transition};
// scss-docs-end progress-css-vars
display: flex;
height: var(--#{$prefix}progress-height);
overflow: hidden; // force rounded corners by cropping it
@include font-size(var(--#{$prefix}progress-font-size));
background-color: var(--#{$prefix}progress-bg);
@include border-radius(var(--#{$prefix}progress-border-radius));
@include box-shadow(var(--#{$prefix}progress-box-shadow));
}
.progress-bar {
display: flex;
flex-direction: column;
justify-content: center;
overflow: hidden;
color: var(--#{$prefix}progress-bar-color);
text-align: center;
white-space: nowrap;
background-color: var(--#{$prefix}progress-bar-bg);
@include transition(var(--#{$prefix}progress-bar-transition));
}
.progress-bar-striped {
@include gradient-striped();
background-size: var(--#{$prefix}progress-height) var(--#{$prefix}progress-height);
}
.progress-stacked > .progress {
overflow: visible;
}
.progress-stacked > .progress > .progress-bar {
width: 100%;
}
@if $enable-transitions {
.progress-bar-animated {
animation: $progress-bar-animation-timing progress-bar-stripes;
@if $enable-reduced-motion {
@media (prefers-reduced-motion: reduce) {
animation: none;
}
}
}
}