sass-references/angular-material/material/checkbox/_checkbox-common.scss

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2024-12-06 10:42:08 +08:00
@use 'sass:math';
@use '@angular/cdk';
@use '../core/tokens/m2/mdc/checkbox' as tokens-mdc-checkbox;
@use '../core/tokens/token-utils';
@use '../core/style/vendor-prefixes';
$_path-length: 29.7833385;
$_transition-duration: 90ms;
$_icon-size: 18px;
$_mark-stroke-size: math.div(2, 15) * $_icon-size;
$_indeterminate-checked-curve: cubic-bezier(0.14, 0, 0, 1);
$_indeterminate-change-duration: 500ms;
$_enter-curve: cubic-bezier(0, 0, 0.2, 1);
$_exit-curve: cubic-bezier(0.4, 0, 0.6, 1);
$_fallback-size: 40px;
// Structural styles for a checkbox. Shared with the selection list.
@mixin checkbox-structure($include-state-layer-styles) {
$prefix: tokens-mdc-checkbox.$prefix;
$slots: tokens-mdc-checkbox.get-token-slots();
.mdc-checkbox {
display: inline-block;
position: relative;
flex: 0 0 $_icon-size;
box-sizing: content-box;
width: $_icon-size;
height: $_icon-size;
line-height: 0;
white-space: nowrap;
cursor: pointer;
vertical-align: bottom;
@include token-utils.use-tokens($prefix, $slots) {
$layer-size: token-utils.get-token-variable(state-layer-size, $fallback: $_fallback-size);
padding: calc((#{$layer-size} - #{$_icon-size}) / 2);
margin: calc((#{$layer-size} - #{$layer-size}) / 2);
@if ($include-state-layer-styles) {
@include _state-layer-styles;
}
}
// These styles have to be nested in order to override overly-broad
// user selectors like `input[type='checkbox']`.
.mdc-checkbox__native-control {
position: absolute;
margin: 0;
padding: 0;
opacity: 0;
cursor: inherit;
@include token-utils.use-tokens($prefix, $slots) {
$layer-size: token-utils.get-token-variable(state-layer-size, $fallback: $_fallback-size);
$offset: calc((#{$layer-size} - #{$layer-size}) / 2);
width: $layer-size;
height: $layer-size;
top: $offset;
right: $offset;
left: $offset;
}
}
}
.mdc-checkbox--disabled {
cursor: default;
pointer-events: none;
@include cdk.high-contrast {
opacity: 0.5;
}
}
.mdc-checkbox__background {
display: inline-flex;
position: absolute;
align-items: center;
justify-content: center;
box-sizing: border-box;
width: $_icon-size;
height: $_icon-size;
border: 2px solid currentColor;
border-radius: 2px;
background-color: transparent;
pointer-events: none;
will-change: background-color, border-color;
transition: background-color $_transition-duration $_exit-curve,
border-color $_transition-duration $_exit-curve;
// Force browser to show background-color when using the print function
@include vendor-prefixes.color-adjust(exact);
@include token-utils.use-tokens($prefix, $slots) {
$layer-size: token-utils.get-token-variable(state-layer-size, $fallback: $_fallback-size);
$offset: calc((#{$layer-size} - #{$_icon-size}) / 2);
@include token-utils.create-token-slot(border-color, unselected-icon-color);
top: $offset;
left: $offset;
}
}
// These can't be under `.mdc-checkbox__background` because
// the selectors will break when the mixin is nested.
@include token-utils.use-tokens($prefix, $slots) {
.mdc-checkbox__native-control:enabled:checked ~ .mdc-checkbox__background,
.mdc-checkbox__native-control:enabled:indeterminate ~ .mdc-checkbox__background {
@include token-utils.create-token-slot(border-color, selected-icon-color);
@include token-utils.create-token-slot(background-color, selected-icon-color);
}
.mdc-checkbox--disabled .mdc-checkbox__background {
@include token-utils.create-token-slot(border-color, disabled-unselected-icon-color);
}
.mdc-checkbox__native-control:disabled:checked ~ .mdc-checkbox__background,
.mdc-checkbox__native-control:disabled:indeterminate ~ .mdc-checkbox__background {
@include token-utils.create-token-slot(background-color, disabled-selected-icon-color);
border-color: transparent;
}
.mdc-checkbox:hover .mdc-checkbox__native-control:not(:checked) ~ .mdc-checkbox__background,
.mdc-checkbox:hover
.mdc-checkbox__native-control:not(:indeterminate) ~ .mdc-checkbox__background {
@include token-utils.create-token-slot(border-color, unselected-hover-icon-color);
background-color: transparent;
}
.mdc-checkbox:hover .mdc-checkbox__native-control:checked ~ .mdc-checkbox__background,
.mdc-checkbox:hover .mdc-checkbox__native-control:indeterminate ~ .mdc-checkbox__background {
@include token-utils.create-token-slot(border-color, selected-hover-icon-color);
@include token-utils.create-token-slot(background-color, selected-hover-icon-color);
}
// Note: this must be more specific than the hover styles above.
// Double :focus is added for increased specificity.
.mdc-checkbox__native-control:focus:focus:not(:checked) ~ .mdc-checkbox__background,
.mdc-checkbox__native-control:focus:focus:not(:indeterminate) ~ .mdc-checkbox__background {
@include token-utils.create-token-slot(border-color, unselected-focus-icon-color);
}
.mdc-checkbox__native-control:focus:focus:checked ~ .mdc-checkbox__background,
.mdc-checkbox__native-control:focus:focus:indeterminate ~ .mdc-checkbox__background {
@include token-utils.create-token-slot(border-color, selected-focus-icon-color);
@include token-utils.create-token-slot(background-color, selected-focus-icon-color);
}
// Needs extra specificity to override the focus, hover, active states.
.mdc-checkbox--disabled.mat-mdc-checkbox-disabled-interactive {
.mdc-checkbox:hover .mdc-checkbox__native-control ~ .mdc-checkbox__background,
.mdc-checkbox .mdc-checkbox__native-control:focus ~ .mdc-checkbox__background,
.mdc-checkbox__background {
@include token-utils.create-token-slot(border-color, disabled-unselected-icon-color);
}
.mdc-checkbox__native-control:checked ~ .mdc-checkbox__background,
.mdc-checkbox__native-control:indeterminate ~ .mdc-checkbox__background {
@include token-utils.create-token-slot(background-color, disabled-selected-icon-color);
border-color: transparent;
}
}
}
.mdc-checkbox__checkmark {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
width: 100%;
opacity: 0;
transition: opacity $_transition-duration * 2 $_exit-curve;
@include token-utils.use-tokens($prefix, $slots) {
// Always apply the color since the element becomes `opacity: 0`
// when unchecked. This makes the animation look better.
@include token-utils.create-token-slot(color, selected-checkmark-color);
}
@include cdk.high-contrast {
color: CanvasText;
}
}
@include token-utils.use-tokens($prefix, $slots) {
.mdc-checkbox--disabled {
&, &.mat-mdc-checkbox-disabled-interactive {
.mdc-checkbox__checkmark {
@include token-utils.create-token-slot(color, disabled-selected-checkmark-color);
@include cdk.high-contrast {
color: CanvasText;
}
}
}
}
}
.mdc-checkbox__checkmark-path {
transition: stroke-dashoffset $_transition-duration * 2 $_exit-curve;
stroke: currentColor;
stroke-width: $_mark-stroke-size * 1.3;
stroke-dashoffset: $_path-length;
stroke-dasharray: $_path-length;
}
.mdc-checkbox__mixedmark {
width: 100%;
height: 0;
transform: scaleX(0) rotate(0deg);
border-width: math.div(math.floor($_mark-stroke-size), 2);
border-style: solid;
opacity: 0;
transition: opacity $_transition-duration $_exit-curve,
transform $_transition-duration $_exit-curve;
@include token-utils.use-tokens($prefix, $slots) {
// Always apply the color since the element becomes `opacity: 0`
// when unchecked. This makes the animation look better.
@include token-utils.create-token-slot(border-color, selected-checkmark-color);
}
@include cdk.high-contrast {
margin: 0 1px;
}
}
@include token-utils.use-tokens($prefix, $slots) {
.mdc-checkbox--disabled {
&, &.mat-mdc-checkbox-disabled-interactive {
.mdc-checkbox__mixedmark {
@include token-utils.create-token-slot(border-color, disabled-selected-checkmark-color);
}
}
}
}
.mdc-checkbox--anim-unchecked-checked,
.mdc-checkbox--anim-unchecked-indeterminate,
.mdc-checkbox--anim-checked-unchecked,
.mdc-checkbox--anim-indeterminate-unchecked {
.mdc-checkbox__background {
animation-duration: $_transition-duration * 2;
animation-timing-function: linear;
}
}
.mdc-checkbox--anim-unchecked-checked {
.mdc-checkbox__checkmark-path {
animation: mdc-checkbox-unchecked-checked-checkmark-path
$_transition-duration * 2 linear;
transition: none;
}
}
.mdc-checkbox--anim-unchecked-indeterminate {
.mdc-checkbox__mixedmark {
animation: mdc-checkbox-unchecked-indeterminate-mixedmark $_transition-duration linear;
transition: none;
}
}
.mdc-checkbox--anim-checked-unchecked {
.mdc-checkbox__checkmark-path {
animation: mdc-checkbox-checked-unchecked-checkmark-path $_transition-duration linear;
transition: none;
}
}
.mdc-checkbox--anim-checked-indeterminate {
.mdc-checkbox__checkmark {
animation: mdc-checkbox-checked-indeterminate-checkmark $_transition-duration linear;
transition: none;
}
.mdc-checkbox__mixedmark {
animation: mdc-checkbox-checked-indeterminate-mixedmark $_transition-duration linear;
transition: none;
}
}
.mdc-checkbox--anim-indeterminate-checked {
.mdc-checkbox__checkmark {
animation: mdc-checkbox-indeterminate-checked-checkmark
$_indeterminate-change-duration linear;
transition: none;
}
.mdc-checkbox__mixedmark {
animation: mdc-checkbox-indeterminate-checked-mixedmark
$_indeterminate-change-duration linear;
transition: none;
}
}
.mdc-checkbox--anim-indeterminate-unchecked {
.mdc-checkbox__mixedmark {
animation: mdc-checkbox-indeterminate-unchecked-mixedmark
$_indeterminate-change-duration * 0.6 linear;
transition: none;
}
}
.mdc-checkbox__native-control:checked ~ .mdc-checkbox__background,
.mdc-checkbox__native-control:indeterminate ~ .mdc-checkbox__background {
transition: border-color $_transition-duration $_enter-curve,
background-color $_transition-duration $_enter-curve;
.mdc-checkbox__checkmark-path {
stroke-dashoffset: 0;
}
}
.mdc-checkbox__native-control:checked ~ .mdc-checkbox__background {
.mdc-checkbox__checkmark {
transition: opacity $_transition-duration * 2 $_enter-curve,
transform $_transition-duration * 2 $_enter-curve;
opacity: 1;
}
.mdc-checkbox__mixedmark {
transform: scaleX(1) rotate(-45deg);
}
}
.mdc-checkbox__native-control:indeterminate ~ .mdc-checkbox__background {
.mdc-checkbox__checkmark {
transform: rotate(45deg);
opacity: 0;
transition: opacity $_transition-duration $_exit-curve,
transform $_transition-duration $_exit-curve;
}
.mdc-checkbox__mixedmark {
transform: scaleX(1) rotate(0deg);
opacity: 1;
}
}
@keyframes mdc-checkbox-unchecked-checked-checkmark-path {
0%, 50% {
stroke-dashoffset: $_path-length;
}
50% {
animation-timing-function: $_enter-curve;
}
100% {
stroke-dashoffset: 0;
}
}
@keyframes mdc-checkbox-unchecked-indeterminate-mixedmark {
0%, 68.2% {
transform: scaleX(0);
}
68.2% {
animation-timing-function: cubic-bezier(0, 0, 0, 1);
}
100% {
transform: scaleX(1);
}
}
@keyframes mdc-checkbox-checked-unchecked-checkmark-path {
from {
animation-timing-function: cubic-bezier(0.4, 0, 1, 1);
opacity: 1;
stroke-dashoffset: 0;
}
to {
opacity: 0;
stroke-dashoffset: $_path-length * -1;
}
}
@keyframes mdc-checkbox-checked-indeterminate-checkmark {
from {
animation-timing-function: $_enter-curve;
transform: rotate(0deg);
opacity: 1;
}
to {
transform: rotate(45deg);
opacity: 0;
}
}
@keyframes mdc-checkbox-indeterminate-checked-checkmark {
from {
animation-timing-function: $_indeterminate-checked-curve;
transform: rotate(45deg);
opacity: 0;
}
to {
transform: rotate(360deg);
opacity: 1;
}
}
@keyframes mdc-checkbox-checked-indeterminate-mixedmark {
from {
animation-timing-function: $_enter-curve;
transform: rotate(-45deg);
opacity: 0;
}
to {
transform: rotate(0deg);
opacity: 1;
}
}
@keyframes mdc-checkbox-indeterminate-checked-mixedmark {
from {
animation-timing-function: $_indeterminate-checked-curve;
transform: rotate(0deg);
opacity: 1;
}
to {
transform: rotate(315deg);
opacity: 0;
}
}
@keyframes mdc-checkbox-indeterminate-unchecked-mixedmark {
0% {
animation-timing-function: linear;
transform: scaleX(1);
opacity: 1;
}
32.8%, 100% {
transform: scaleX(0);
opacity: 0;
}
}
}
// Conditionally disables the animations of the checkbox.
@mixin checkbox-noop-animations() {
&._mat-animation-noopable .mdc-checkbox {
*, *::before {
transition: none !important;
animation: none !important;
}
}
}
@mixin _state-layer-styles() {
// MDC expects `.mdc-checkbox__ripple::before` to be the state layer, but we use
// `.mdc-checkbox__ripple` instead, so we emit the state layer slots ourselves.
&:hover {
.mdc-checkbox__ripple {
@include token-utils.create-token-slot(opacity, unselected-hover-state-layer-opacity);
@include token-utils.create-token-slot(
background-color,
unselected-hover-state-layer-color
);
}
.mat-mdc-checkbox-ripple .mat-ripple-element {
@include token-utils.create-token-slot(
background-color,
unselected-hover-state-layer-color
);
}
}
.mdc-checkbox__native-control:focus {
& ~ .mdc-checkbox__ripple {
@include token-utils.create-token-slot(opacity, unselected-focus-state-layer-opacity);
@include token-utils.create-token-slot(
background-color,
unselected-focus-state-layer-color
);
}
& ~ .mat-mdc-checkbox-ripple .mat-ripple-element {
@include token-utils.create-token-slot(
background-color,
unselected-focus-state-layer-color
);
}
}
&:active .mdc-checkbox__native-control {
& ~ .mdc-checkbox__ripple {
@include token-utils.create-token-slot(opacity, unselected-pressed-state-layer-opacity);
@include token-utils.create-token-slot(
background-color,
unselected-pressed-state-layer-color
);
}
& ~ .mat-mdc-checkbox-ripple .mat-ripple-element {
@include token-utils.create-token-slot(
background-color,
unselected-pressed-state-layer-color
);
}
}
&:hover .mdc-checkbox__native-control:checked {
& ~ .mdc-checkbox__ripple {
@include token-utils.create-token-slot(opacity, selected-hover-state-layer-opacity);
@include token-utils.create-token-slot(
background-color,
selected-hover-state-layer-color
);
}
& ~ .mat-mdc-checkbox-ripple .mat-ripple-element {
@include token-utils.create-token-slot(
background-color,
selected-hover-state-layer-color
);
}
}
.mdc-checkbox__native-control:focus:checked {
& ~ .mdc-checkbox__ripple {
@include token-utils.create-token-slot(opacity, selected-focus-state-layer-opacity);
@include token-utils.create-token-slot(
background-color,
selected-focus-state-layer-color
);
}
& ~ .mat-mdc-checkbox-ripple .mat-ripple-element {
@include token-utils.create-token-slot(
background-color,
selected-focus-state-layer-color
);
}
}
&:active .mdc-checkbox__native-control:checked {
& ~ .mdc-checkbox__ripple {
@include token-utils.create-token-slot(opacity, selected-pressed-state-layer-opacity);
@include token-utils.create-token-slot(
background-color,
selected-pressed-state-layer-color
);
}
& ~ .mat-mdc-checkbox-ripple .mat-ripple-element {
@include token-utils.create-token-slot(
background-color,
selected-pressed-state-layer-color
);
}
}
// Needs extra specificity to override the focus, hover, active states.
.mdc-checkbox--disabled.mat-mdc-checkbox-disabled-interactive & {
.mdc-checkbox__native-control ~ .mat-mdc-checkbox-ripple .mat-ripple-element,
.mdc-checkbox__native-control ~ .mdc-checkbox__ripple {
@include token-utils.create-token-slot(
background-color,
unselected-hover-state-layer-color
);
}
}
}