ant-design-vue/components/vc-dropdown/Dropdown.tsx

145 lines
4.2 KiB
Vue

import { computed, defineComponent, ref, watch } from 'vue';
import PropTypes from '../_util/vue-types';
import Trigger from '../vc-trigger';
import placements from './placements';
import { cloneElement } from '../_util/vnode';
import classNames from '../_util/classNames';
export default defineComponent({
props: {
minOverlayWidthMatchTrigger: PropTypes.looseBool,
arrow: PropTypes.looseBool.def(false),
prefixCls: PropTypes.string.def('rc-dropdown'),
transitionName: PropTypes.string,
overlayClassName: PropTypes.string.def(''),
openClassName: PropTypes.string,
animation: PropTypes.any,
align: PropTypes.object,
overlayStyle: PropTypes.style,
placement: PropTypes.string.def('bottomLeft'),
overlay: PropTypes.any,
trigger: PropTypes.oneOfType([PropTypes.string, PropTypes.arrayOf(PropTypes.string)]).def(
'hover',
),
alignPoint: PropTypes.looseBool,
showAction: PropTypes.array,
hideAction: PropTypes.array,
getPopupContainer: PropTypes.func,
visible: PropTypes.looseBool,
defaultVisible: PropTypes.looseBool.def(false),
mouseEnterDelay: PropTypes.number.def(0.15),
mouseLeaveDelay: PropTypes.number.def(0.1),
},
emits: ['visibleChange', 'overlayClick'],
slots: ['overlay'],
setup(props, { slots, emit, expose }) {
const triggerVisible = ref(!!props.visible);
watch(
() => props.visible,
val => {
if (val !== undefined) {
triggerVisible.value = val;
}
},
);
const triggerRef = ref();
expose({
triggerRef,
});
const onClick = (e: MouseEvent) => {
if (props.visible === undefined) {
triggerVisible.value = false;
}
emit('overlayClick', e);
};
const onVisibleChange = (visible: boolean) => {
if (props.visible === undefined) {
triggerVisible.value = visible;
}
emit('visibleChange', visible);
};
const getMenuElement = () => {
const overlayElement = slots.overlay?.();
const extraOverlayProps = {
prefixCls: `${props.prefixCls}-menu`,
onClick,
getPopupContainer: () => triggerRef.value.getPopupDomNode(),
};
return (
<>
{props.arrow && <div class={`${props.prefixCls}-arrow`} />}
{cloneElement(overlayElement, extraOverlayProps, false)}
</>
);
};
const minOverlayWidthMatchTrigger = computed(() => {
const { minOverlayWidthMatchTrigger: matchTrigger = !props.alignPoint } = props;
return matchTrigger;
});
const renderChildren = () => {
const children = slots.default?.();
return triggerVisible.value && children
? cloneElement(
children[0],
{ class: props.openClassName || `${props.prefixCls}-open` },
false,
)
: children;
};
const triggerHideAction = computed(() => {
if (!props.hideAction && props.trigger.indexOf('contextmenu') !== -1) {
return ['click'];
}
return props.hideAction;
});
return () => {
const {
prefixCls,
arrow,
showAction,
overlayStyle,
trigger,
placement,
align,
getPopupContainer,
transitionName,
animation,
overlayClassName,
...otherProps
} = props;
return (
<Trigger
{...otherProps}
prefixCls={prefixCls}
ref={triggerRef}
popupClassName={classNames(overlayClassName, {
[`${prefixCls}-show-arrow`]: arrow,
})}
popupStyle={overlayStyle}
builtinPlacements={placements}
action={trigger}
showAction={showAction}
hideAction={triggerHideAction.value || []}
popupPlacement={placement}
popupAlign={align}
popupTransitionName={transitionName}
popupAnimation={animation}
popupVisible={triggerVisible.value}
stretch={minOverlayWidthMatchTrigger.value ? 'minWidth' : ''}
onPopupVisibleChange={onVisibleChange}
getPopupContainer={getPopupContainer}
v-slots={{ popup: getMenuElement, default: renderChildren }}
></Trigger>
);
};
},
});