components/dropdown/style/index.ts
import type { CSSProperties } from 'react';
import { unit } from '@ant-design/cssinjs';
import { genFocusStyle, resetComponent } from '../../style';
import {
initMoveMotion,
initSlideMotion,
initZoomMotion,
slideDownIn,
slideDownOut,
slideUpIn,
slideUpOut,
} from '../../style/motion';
import type { ArrowOffsetToken } from '../../style/placementArrow';
import getArrowStyle, { getArrowOffsetToken } from '../../style/placementArrow';
import type { ArrowToken } from '../../style/roundedArrow';
import { getArrowToken } from '../../style/roundedArrow';
import type { FullToken, GenerateStyle, GetDefaultToken } from '../../theme/internal';
import { genStyleHooks, mergeToken } from '../../theme/internal';
import genStatusStyle from './status';
export interface ComponentToken extends ArrowToken, ArrowOffsetToken {
/**
* @desc 下拉菜单 z-index
* @descEN z-index of dropdown
*/
zIndexPopup: number;
/**
* @desc 下拉菜单纵向内边距
* @descEN Vertical padding of dropdown
*/
paddingBlock: CSSProperties['paddingBlock'];
}
export interface DropdownToken extends FullToken<'Dropdown'> {
dropdownArrowDistance: number | string;
dropdownEdgeChildPadding: number;
menuCls: string;
}
// =============================== Base ===============================
const genBaseStyle: GenerateStyle<DropdownToken> = (token) => {
const {
componentCls,
menuCls,
zIndexPopup,
dropdownArrowDistance,
sizePopupArrow,
antCls,
iconCls,
motionDurationMid,
paddingBlock,
fontSize,
dropdownEdgeChildPadding,
colorTextDisabled,
fontSizeIcon,
controlPaddingHorizontal,
colorBgElevated,
} = token;
return [
{
[componentCls]: {
...resetComponent(token),
position: 'absolute',
top: -9999,
left: {
_skip_check_: true,
value: -9999,
},
zIndex: zIndexPopup,
display: 'block',
// A placeholder out of dropdown visible range to avoid close when user moving
'&::before': {
position: 'absolute',
insetBlock: token.calc(sizePopupArrow).div(2).sub(dropdownArrowDistance).equal(),
// insetInlineStart: -7, // FIXME: Seems not work for hidden element
zIndex: -9999,
opacity: 0.0001,
content: '""',
},
[`&-trigger${antCls}-btn`]: {
[`& > ${iconCls}-down, & > ${antCls}-btn-icon > ${iconCls}-down`]: {
fontSize: fontSizeIcon,
},
},
[`${componentCls}-wrap`]: {
position: 'relative',
[`${antCls}-btn > ${iconCls}-down`]: {
fontSize: fontSizeIcon,
},
[`${iconCls}-down::before`]: {
transition: `transform ${motionDurationMid}`,
},
},
[`${componentCls}-wrap-open`]: {
[`${iconCls}-down::before`]: {
transform: `rotate(180deg)`,
},
},
[`
&-hidden,
&-menu-hidden,
&-menu-submenu-hidden
`]: {
display: 'none',
},
// =============================================================
// == Motion ==
// =============================================================
// When position is not enough for dropdown, the placement will revert.
// We will handle this with revert motion name.
[`&${antCls}-slide-down-enter${antCls}-slide-down-enter-active${componentCls}-placement-bottomLeft,
&${antCls}-slide-down-appear${antCls}-slide-down-appear-active${componentCls}-placement-bottomLeft,
&${antCls}-slide-down-enter${antCls}-slide-down-enter-active${componentCls}-placement-bottom,
&${antCls}-slide-down-appear${antCls}-slide-down-appear-active${componentCls}-placement-bottom,
&${antCls}-slide-down-enter${antCls}-slide-down-enter-active${componentCls}-placement-bottomRight,
&${antCls}-slide-down-appear${antCls}-slide-down-appear-active${componentCls}-placement-bottomRight`]:
{
animationName: slideUpIn,
},
[`&${antCls}-slide-up-enter${antCls}-slide-up-enter-active${componentCls}-placement-topLeft,
&${antCls}-slide-up-appear${antCls}-slide-up-appear-active${componentCls}-placement-topLeft,
&${antCls}-slide-up-enter${antCls}-slide-up-enter-active${componentCls}-placement-top,
&${antCls}-slide-up-appear${antCls}-slide-up-appear-active${componentCls}-placement-top,
&${antCls}-slide-up-enter${antCls}-slide-up-enter-active${componentCls}-placement-topRight,
&${antCls}-slide-up-appear${antCls}-slide-up-appear-active${componentCls}-placement-topRight`]:
{
animationName: slideDownIn,
},
[`&${antCls}-slide-down-leave${antCls}-slide-down-leave-active${componentCls}-placement-bottomLeft,
&${antCls}-slide-down-leave${antCls}-slide-down-leave-active${componentCls}-placement-bottom,
&${antCls}-slide-down-leave${antCls}-slide-down-leave-active${componentCls}-placement-bottomRight`]:
{
animationName: slideUpOut,
},
[`&${antCls}-slide-up-leave${antCls}-slide-up-leave-active${componentCls}-placement-topLeft,
&${antCls}-slide-up-leave${antCls}-slide-up-leave-active${componentCls}-placement-top,
&${antCls}-slide-up-leave${antCls}-slide-up-leave-active${componentCls}-placement-topRight`]:
{
animationName: slideDownOut,
},
},
},
// =============================================================
// == Arrow style ==
// =============================================================
getArrowStyle<DropdownToken>(token, colorBgElevated, {
arrowPlacement: { top: true, bottom: true },
}),
{
// =============================================================
// == Menu ==
// =============================================================
[`${componentCls} ${menuCls}`]: {
position: 'relative',
margin: 0,
},
[`${menuCls}-submenu-popup`]: {
position: 'absolute',
zIndex: zIndexPopup,
background: 'transparent',
boxShadow: 'none',
transformOrigin: '0 0',
'ul, li': {
listStyle: 'none',
margin: 0,
},
},
[`${componentCls}, ${componentCls}-menu-submenu`]: {
[menuCls]: {
padding: dropdownEdgeChildPadding,
listStyleType: 'none',
backgroundColor: colorBgElevated,
backgroundClip: 'padding-box',
borderRadius: token.borderRadiusLG,
outline: 'none',
boxShadow: token.boxShadowSecondary,
...genFocusStyle(token),
'&:empty': {
padding: 0,
boxShadow: 'none',
},
[`${menuCls}-item-group-title`]: {
padding: `${unit(paddingBlock!)} ${unit(controlPaddingHorizontal)}`,
color: token.colorTextDescription,
transition: `all ${motionDurationMid}`,
},
// ======================= Item Content =======================
[`${menuCls}-item`]: {
position: 'relative',
display: 'flex',
alignItems: 'center',
},
[`${menuCls}-item-icon`]: {
minWidth: fontSize,
marginInlineEnd: token.marginXS,
fontSize: token.fontSizeSM,
},
[`${menuCls}-title-content`]: {
flex: 'auto',
'> a': {
color: 'inherit',
transition: `all ${motionDurationMid}`,
'&:hover': {
color: 'inherit',
},
'&::after': {
position: 'absolute',
inset: 0,
content: '""',
},
},
},
// =========================== Item ===========================
[`${menuCls}-item, ${menuCls}-submenu-title`]: {
clear: 'both',
margin: 0,
padding: `${unit(paddingBlock!)} ${unit(controlPaddingHorizontal)}`,
color: token.colorText,
fontWeight: 'normal',
fontSize,
lineHeight: token.lineHeight,
cursor: 'pointer',
transition: `all ${motionDurationMid}`,
borderRadius: token.borderRadiusSM,
[`&:hover, &-active`]: {
backgroundColor: token.controlItemBgHover,
},
...genFocusStyle(token),
'&-selected': {
color: token.colorPrimary,
backgroundColor: token.controlItemBgActive,
'&:hover, &-active': {
backgroundColor: token.controlItemBgActiveHover,
},
},
'&-disabled': {
color: colorTextDisabled,
cursor: 'not-allowed',
'&:hover': {
color: colorTextDisabled,
backgroundColor: colorBgElevated,
cursor: 'not-allowed',
},
a: {
pointerEvents: 'none',
},
},
'&-divider': {
height: 1, // By design
margin: `${unit(token.marginXXS)} 0`,
overflow: 'hidden',
lineHeight: 0,
backgroundColor: token.colorSplit,
},
[`${componentCls}-menu-submenu-expand-icon`]: {
position: 'absolute',
insetInlineEnd: token.paddingXS,
[`${componentCls}-menu-submenu-arrow-icon`]: {
marginInlineEnd: '0 !important',
color: token.colorTextDescription,
fontSize: fontSizeIcon,
fontStyle: 'normal',
},
},
},
[`${menuCls}-item-group-list`]: {
margin: `0 ${unit(token.marginXS)}`,
padding: 0,
listStyle: 'none',
},
[`${menuCls}-submenu-title`]: {
paddingInlineEnd: token.calc(controlPaddingHorizontal).add(token.fontSizeSM).equal(),
},
[`${menuCls}-submenu-vertical`]: {
position: 'relative',
},
[`${menuCls}-submenu${menuCls}-submenu-disabled ${componentCls}-menu-submenu-title`]: {
[`&, ${componentCls}-menu-submenu-arrow-icon`]: {
color: colorTextDisabled,
backgroundColor: colorBgElevated,
cursor: 'not-allowed',
},
},
// https://github.com/ant-design/ant-design/issues/19264
[`${menuCls}-submenu-selected ${componentCls}-menu-submenu-title`]: {
color: token.colorPrimary,
},
},
},
},
// Follow code may reuse in other components
[
initSlideMotion(token, 'slide-up'),
initSlideMotion(token, 'slide-down'),
initMoveMotion(token, 'move-up'),
initMoveMotion(token, 'move-down'),
initZoomMotion(token, 'zoom-big'),
],
];
};
// ============================== Export ==============================
export const prepareComponentToken: GetDefaultToken<'Dropdown'> = (token) => ({
zIndexPopup: token.zIndexPopupBase + 50,
paddingBlock: (token.controlHeight - token.fontSize * token.lineHeight) / 2,
...getArrowOffsetToken({
contentRadius: token.borderRadiusLG,
limitVerticalRadius: true,
}),
...getArrowToken(token),
});
export default genStyleHooks(
'Dropdown',
(token) => {
const { marginXXS, sizePopupArrow, paddingXXS, componentCls } = token;
const dropdownToken = mergeToken<DropdownToken>(token, {
menuCls: `${componentCls}-menu`,
dropdownArrowDistance: token.calc(sizePopupArrow).div(2).add(marginXXS).equal(),
dropdownEdgeChildPadding: paddingXXS,
});
return [genBaseStyle(dropdownToken), genStatusStyle(dropdownToken)];
},
prepareComponentToken,
{ resetStyle: false },
);