antd
Version:
An enterprise-class UI design language and React components implementation
48 lines • 1.68 kB
JavaScript
import React from 'react';
import useToken from '../../theme/useToken';
import zIndexContext from '../zindexContext';
// Z-Index control range
// Container: 1000 + offset 100 (max base + 10 * offset = 2000)
// Popover: offset 50
// Notification: Container Max zIndex + componentOffset
const CONTAINER_OFFSET = 100;
const CONTAINER_OFFSET_MAX_COUNT = 10;
export const CONTAINER_MAX_OFFSET = CONTAINER_OFFSET * CONTAINER_OFFSET_MAX_COUNT;
export const containerBaseZIndexOffset = {
Modal: CONTAINER_OFFSET,
Drawer: CONTAINER_OFFSET,
Popover: CONTAINER_OFFSET,
Popconfirm: CONTAINER_OFFSET,
Tooltip: CONTAINER_OFFSET,
Tour: CONTAINER_OFFSET
};
export const consumerBaseZIndexOffset = {
SelectLike: 50,
Dropdown: 50,
DatePicker: 50,
Menu: 50,
ImagePreview: 1
};
function isContainerType(type) {
return type in containerBaseZIndexOffset;
}
export function useZIndex(componentType, customZIndex) {
const [, token] = useToken();
const parentZIndex = React.useContext(zIndexContext);
const isContainer = isContainerType(componentType);
if (customZIndex !== undefined) {
return [customZIndex, customZIndex];
}
let zIndex = parentZIndex !== null && parentZIndex !== void 0 ? parentZIndex : 0;
if (isContainer) {
zIndex +=
// Use preset token zIndex by default but not stack when has parent container
(parentZIndex ? 0 : token.zIndexPopupBase) +
// Container offset
containerBaseZIndexOffset[componentType];
zIndex = Math.min(zIndex, token.zIndexPopupBase + CONTAINER_MAX_OFFSET);
} else {
zIndex += consumerBaseZIndexOffset[componentType];
}
return [parentZIndex === undefined ? customZIndex : zIndex, zIndex];
}