_list-group.less

// Base class
//
// Easily usable on <ul>, <ol>, or <div>.

.list-group {
	display: flex;
	flex-direction: column;

	// No need to set list-style: none; since .list-group-item is block level
	padding-left: 0; // reset padding because ul and ol
	margin-bottom: 0;
	#border-radius(@list-group-border-radius);
}


// Interactive list items
//
// Use anchor or button elements instead of `li`s or `div`s to create interactive
// list items. Includes an extra `.active` modifier class for selected items.

.list-group-item-action {
	width: 100%; // For `<button>`s (anchors become 100% by default though)
	color: @list-group-action-color;
	text-align: inherit; // For `<button>`s (anchors inherit)

	// Hover state
	#hover-focus({
		z-index: 1; // Place hover/focus items above their siblings for proper border styling
		color: @list-group-action-hover-color;
		text-decoration: none;
		background-color: @list-group-hover-bg;
	});

	&:active {
		color: @list-group-action-active-color;
		background-color: @list-group-action-active-bg;
	}
}


// Individual list items
//
// Use on `li`s or `div`s within the `.list-group` parent.

.list-group-item {
	position: relative;
	display: block;
	padding: @list-group-item-padding-y @list-group-item-padding-x;
	// LESS PORT: Less doesn’t strip “empty” property values so we have to check for a value first.
	& when not (@list-group-color = ~"") { color: @list-group-color; }
	& when not (@link-decoration = none) { text-decoration: none; }
	background-color: @list-group-bg;
	border: @list-group-border-width solid @list-group-border-color;

	&:first-child {
		#border-top-radius(inherit);
	}

	&:last-child {
		#border-bottom-radius(inherit);
	}

	&.disabled,
	&:disabled {
		color: @list-group-disabled-color;
		pointer-events: none;
		background-color: @list-group-disabled-bg;
	}

	// Include both here for `<a>`s and `<button>`s
	&.active {
		z-index: 2; // Place active items above their siblings for proper border styling
		color: @list-group-active-color;
		background-color: @list-group-active-bg;
		border-color: @list-group-active-border-color;
	}

	& + & {
		border-top-width: 0;

		&.active {
			margin-top: -@list-group-border-width;
			border-top-width: @list-group-border-width;
		}
	}
}


// Horizontal
//
// Change the layout of list group items from vertical (default) to horizontal.

//@each $breakpoint in map-keys($grid-breakpoints) {
//  @include media-breakpoint-up($breakpoint) {
//    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
//
//    .list-group-horizontal#{$infix} {
//      flex-direction: row;
//
//      .list-group-item {
//        &:first-child {
//          @include border-bottom-left-radius($list-group-border-radius);
//          @include border-top-right-radius(0);
//        }
//
//        &:last-child {
//          @include border-top-right-radius($list-group-border-radius);
//          @include border-bottom-left-radius(0);
//        }
//
//        &.active {
//          margin-top: 0;
//        }
//
//        & + .list-group-item {
//          border-top-width: $list-group-border-width;
//          border-left-width: 0;
//
//          &.active {
//            margin-left: -$list-group-border-width;
//            border-left-width: $list-group-border-width;
//          }
//        }
//      }
//    }
//  }
//}
each(map-keys(@grid-breakpoints), #(@breakpoint) {
	#media-breakpoint-up(@breakpoint, {
		@infix: breakpoint-infix(@breakpoint, @grid-breakpoints);

		.list-group-horizontal@{infix} {
			flex-direction: row;

			> .list-group-item {
				&:first-child {
					#border-bottom-left-radius(@list-group-border-radius);
					#border-top-right-radius(0);
				}

				&:last-child {
					#border-top-right-radius(@list-group-border-radius);
					#border-bottom-left-radius(0);
				}

				&.active {
					margin-top: 0;
				}

				+ .list-group-item {
					border-top-width: @list-group-border-width;
					border-left-width: 0;

					&.active {
						margin-left: -@list-group-border-width;
						border-left-width: @list-group-border-width;
					}
				}
			}
		}
	});
});


// Flush list items
//
// Remove borders and border-radius to keep list group items edge-to-edge. Most
// useful within other components (e.g., cards).

.list-group-flush {
	#border-radius(0);

	> .list-group-item {
		border-width: 0 0 @list-group-border-width;

		&:last-child {
			border-bottom-width: 0;
		}
	}
}


// Contextual variants
//
// Add modifier classes to change text and background color on individual items.
// Organizationally, this must come after the `:hover` states.

each(@theme-colors, #(@value, @color) {
	#list-group-item-variant(@color, theme-color-level(@color, -9), theme-color-level(@color, 6));
});