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-rw-r--r--scss/_button-group.scss142
1 files changed, 142 insertions, 0 deletions
diff --git a/scss/_button-group.scss b/scss/_button-group.scss
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+// Make the div behave like a button
+.btn-group,
+.btn-group-vertical {
+ position: relative;
+ display: inline-flex;
+ vertical-align: middle; // match .btn alignment given font-size hack above
+
+ > .btn {
+ position: relative;
+ flex: 1 1 auto;
+ }
+
+ // Bring the hover, focused, and "active" buttons to the front to overlay
+ // the borders properly
+ > .btn-check:checked + .btn,
+ > .btn-check:focus + .btn,
+ > .btn:hover,
+ > .btn:focus,
+ > .btn:active,
+ > .btn.active {
+ z-index: 1;
+ }
+}
+
+// Optional: Group multiple button groups together for a toolbar
+.btn-toolbar {
+ display: flex;
+ flex-wrap: wrap;
+ justify-content: flex-start;
+
+ .input-group {
+ width: auto;
+ }
+}
+
+.btn-group {
+ @include border-radius($btn-border-radius);
+
+ // Prevent double borders when buttons are next to each other
+ > :not(.btn-check:first-child) + .btn,
+ > .btn-group:not(:first-child) {
+ margin-left: -$btn-border-width;
+ }
+
+ // Reset rounded corners
+ > .btn:not(:last-child):not(.dropdown-toggle),
+ > .btn.dropdown-toggle-split:first-child,
+ > .btn-group:not(:last-child) > .btn {
+ @include border-end-radius(0);
+ }
+
+ // The left radius should be 0 if the button is:
+ // - the "third or more" child
+ // - the second child and the previous element isn't `.btn-check` (making it the first child visually)
+ // - part of a btn-group which isn't the first child
+ > .btn:nth-child(n + 3),
+ > :not(.btn-check) + .btn,
+ > .btn-group:not(:first-child) > .btn {
+ @include border-start-radius(0);
+ }
+}
+
+// Sizing
+//
+// Remix the default button sizing classes into new ones for easier manipulation.
+
+.btn-group-sm > .btn { @extend .btn-sm; }
+.btn-group-lg > .btn { @extend .btn-lg; }
+
+
+//
+// Split button dropdowns
+//
+
+.dropdown-toggle-split {
+ padding-right: $btn-padding-x * .75;
+ padding-left: $btn-padding-x * .75;
+
+ &::after,
+ .dropup &::after,
+ .dropend &::after {
+ margin-left: 0;
+ }
+
+ .dropstart &::before {
+ margin-right: 0;
+ }
+}
+
+.btn-sm + .dropdown-toggle-split {
+ padding-right: $btn-padding-x-sm * .75;
+ padding-left: $btn-padding-x-sm * .75;
+}
+
+.btn-lg + .dropdown-toggle-split {
+ padding-right: $btn-padding-x-lg * .75;
+ padding-left: $btn-padding-x-lg * .75;
+}
+
+
+// The clickable button for toggling the menu
+// Set the same inset shadow as the :active state
+.btn-group.show .dropdown-toggle {
+ @include box-shadow($btn-active-box-shadow);
+
+ // Show no shadow for `.btn-link` since it has no other button styles.
+ &.btn-link {
+ @include box-shadow(none);
+ }
+}
+
+
+//
+// Vertical button groups
+//
+
+.btn-group-vertical {
+ flex-direction: column;
+ align-items: flex-start;
+ justify-content: center;
+
+ > .btn,
+ > .btn-group {
+ width: 100%;
+ }
+
+ > .btn:not(:first-child),
+ > .btn-group:not(:first-child) {
+ margin-top: -$btn-border-width;
+ }
+
+ // Reset rounded corners
+ > .btn:not(:last-child):not(.dropdown-toggle),
+ > .btn-group:not(:last-child) > .btn {
+ @include border-bottom-radius(0);
+ }
+
+ > .btn ~ .btn,
+ > .btn-group:not(:first-child) > .btn {
+ @include border-top-radius(0);
+ }
+}