import { isEmptyElement, initDefaultProps, flattenChildren, isValidElement, } from '../_util/props-util'; import { cloneElement } from '../_util/vnode'; import type { CollapsibleType } from './commonProps'; import { collapseProps } from './commonProps'; import { getDataAndAriaProps } from '../_util/util'; import type { CSSProperties, ExtractPropTypes } from 'vue'; import { computed, defineComponent, ref, watch } from 'vue'; import RightOutlined from '@ant-design/icons-vue/RightOutlined'; import firstNotUndefined from '../_util/firstNotUndefined'; import classNames from '../_util/classNames'; import useConfigInject from '../_util/hooks/useConfigInject'; import type { CollapsePanelProps } from './CollapsePanel'; import collapseMotion from '../_util/collapseMotion'; type Key = number | string; function getActiveKeysArray(activeKey: Key | Key[]) { let currentActiveKey = activeKey; if (!Array.isArray(currentActiveKey)) { const activeKeyType = typeof currentActiveKey; currentActiveKey = activeKeyType === 'number' || activeKeyType === 'string' ? [currentActiveKey] : []; } return currentActiveKey.map(key => String(key)); } export { collapseProps }; export type CollapseProps = Partial>>; export default defineComponent({ name: 'ACollapse', inheritAttrs: false, props: initDefaultProps(collapseProps(), { accordion: false, destroyInactivePanel: false, bordered: true, openAnimation: collapseMotion('ant-motion-collapse', false), expandIconPosition: 'left', }), slots: ['expandIcon'], // emits: ['change', 'update:activeKey'], setup(props, { attrs, slots, emit }) { const stateActiveKey = ref( getActiveKeysArray(firstNotUndefined([props.activeKey, props.defaultActiveKey])), ); watch( () => props.activeKey, () => { stateActiveKey.value = getActiveKeysArray(props.activeKey); }, { deep: true }, ); const { prefixCls, direction } = useConfigInject('collapse', props); const iconPosition = computed(() => { const { expandIconPosition } = props; if (expandIconPosition !== undefined) { return expandIconPosition; } return direction.value === 'rtl' ? 'right' : 'left'; }); const renderExpandIcon = (panelProps: CollapsePanelProps) => { const { expandIcon = slots.expandIcon } = props; const icon = expandIcon ? ( expandIcon(panelProps) ) : ( ); return (
{isValidElement(Array.isArray(expandIcon) ? icon[0] : icon) ? cloneElement( icon, { class: `${prefixCls.value}-arrow`, }, false, ) : icon}
); }; const setActiveKey = (activeKey: Key[]) => { if (props.activeKey === undefined) { stateActiveKey.value = activeKey; } const newKey = props.accordion ? activeKey[0] : activeKey; emit('update:activeKey', newKey); emit('change', newKey); }; const onClickItem = (key: Key) => { let activeKey = stateActiveKey.value; if (props.accordion) { activeKey = activeKey[0] === key ? [] : [key]; } else { activeKey = [...activeKey]; const index = activeKey.indexOf(key); const isActive = index > -1; if (isActive) { // remove active state activeKey.splice(index, 1); } else { activeKey.push(key); } } setActiveKey(activeKey); }; const getNewChild = (child, index) => { if (isEmptyElement(child)) return; const activeKey = stateActiveKey.value; const { accordion, destroyInactivePanel, collapsible, openAnimation } = props; // If there is no key provide, use the panel order as default key const key = String(child.key ?? index); const { header = child.children?.header?.(), headerClass, collapsible: childCollapsible, disabled, } = child.props || {}; let isActive = false; if (accordion) { isActive = activeKey[0] === key; } else { isActive = activeKey.indexOf(key) > -1; } let mergeCollapsible: CollapsibleType = childCollapsible ?? collapsible; // legacy 2.x if (disabled || disabled === '') { mergeCollapsible = 'disabled'; } const newProps = { key, panelKey: key, header, headerClass, isActive, prefixCls: prefixCls.value, destroyInactivePanel, openAnimation, accordion, onItemClick: mergeCollapsible === 'disabled' ? null : onClickItem, expandIcon: renderExpandIcon, collapsible: mergeCollapsible, }; return cloneElement(child, newProps); }; const getItems = () => { return flattenChildren(slots.default?.()).map(getNewChild); }; return () => { const { accordion, bordered, ghost } = props; const collapseClassName = classNames({ [prefixCls.value]: true, [`${prefixCls.value}-borderless`]: !bordered, [`${prefixCls.value}-icon-position-${iconPosition.value}`]: true, [`${prefixCls.value}-rtl`]: direction.value === 'rtl', [`${prefixCls.value}-ghost`]: !!ghost, [attrs.class as string]: !!attrs.class, }); return (
{getItems()}
); }; }, });