ModalWrapper.tsx
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import type { PropType } from 'vue';
import type { ModalWrapperProps } from './types';
import {
defineComponent,
computed,
ref,
watchEffect,
unref,
watch,
onMounted,
nextTick,
onUnmounted,
} from 'vue';
import { Spin } from 'ant-design-vue';
import { useWindowSizeFn } from '/@/hooks/event/useWindowSizeFn';
import { getSlot } from '/@/utils/helper/tsxHelper';
import { useElResize } from '/@/hooks/event/useElResize';
import { provideModal } from './provideModal';
export default defineComponent({
name: 'ModalWrapper',
props: {
loading: {
type: Boolean as PropType<boolean>,
default: false,
},
modalHeaderHeight: {
type: Number as PropType<number>,
default: 50,
},
modalFooterHeight: {
type: Number as PropType<number>,
default: 70,
},
minHeight: {
type: Number as PropType<number>,
default: 200,
},
footerOffset: {
type: Number as PropType<number>,
default: 0,
},
visible: {
type: Boolean as PropType<boolean>,
default: false,
},
fullScreen: {
type: Boolean as PropType<boolean>,
default: false,
},
},
emits: ['heightChange', 'getExtHeight'],
setup(props: ModalWrapperProps, { slots, emit }) {
const wrapperRef = ref<HTMLElement | null>(null);
const spinRef = ref<any>(null);
const realHeightRef = ref(0);
// 重试次数
// let tryCount = 0;
let stopElResizeFn: Fn = () => {};
provideModal(setModalHeight);
const wrapStyle = computed(() => {
return {
minHeight: `${props.minHeight}px`,
height: `${unref(realHeightRef)}px`,
overflow: 'auto',
};
});
watchEffect(() => {
setModalHeight();
});
watch(
() => props.fullScreen,
(v) => {
!v && setModalHeight();
}
);
onMounted(() => {
const { modalHeaderHeight, modalFooterHeight } = props;
emit('getExtHeight', modalHeaderHeight + modalFooterHeight);
listenElResize();
});
onUnmounted(() => {
stopElResizeFn && stopElResizeFn();
});
useWindowSizeFn(setModalHeight);
async function setModalHeight() {
// 解决在弹窗关闭的时候监听还存在,导致再次打开弹窗没有高度
// 加上这个,就必须在使用的时候传递父级的visible
if (!props.visible) return;
const wrapperRefDom = unref(wrapperRef);
if (!wrapperRefDom) return;
const bodyDom = wrapperRefDom.parentElement;
if (!bodyDom) return;
bodyDom.style.padding = '0';
await nextTick();
try {
const modalDom = bodyDom.parentElement && bodyDom.parentElement.parentElement;
if (!modalDom) {
return;
}
const modalRect = getComputedStyle(modalDom).top;
const modalTop = Number.parseInt(modalRect);
let maxHeight =
window.innerHeight -
modalTop * 2 +
(props.footerOffset! || 0) -
props.modalFooterHeight -
props.modalHeaderHeight;
// 距离顶部过进会出现滚动条
if (modalTop < 40) {
maxHeight -= 26;
}
await nextTick();
const spinEl = unref(spinRef);
const spinContainerEl = spinEl.$el.querySelector('.ant-spin-container') as HTMLElement;
if (!spinContainerEl) return;
const realHeight = spinContainerEl.scrollHeight;
if (props.fullScreen) {
realHeightRef.value =
window.innerHeight - props.modalFooterHeight - props.modalHeaderHeight - 6;
} else {
realHeightRef.value = realHeight > maxHeight ? maxHeight : realHeight + 16 + 30;
}
emit('heightChange', unref(realHeightRef));
nextTick(() => {
const el = spinEl.$el;
if (el) {
el.style.height = `${unref(realHeightRef)}px`;
}
});
} catch (error) {
console.log(error);
}
}
function listenElResize() {
const wrapper = unref(wrapperRef);
if (!wrapper) return;
const container = wrapper.querySelector('.ant-spin-container');
if (!container) return;
const [start, stop] = useElResize(container, () => {
setModalHeight();
});
stopElResizeFn = stop;
start();
}
return () => {
return (
<div ref={wrapperRef} style={unref(wrapStyle)}>
<Spin ref={spinRef} spinning={props.loading}>
{() => getSlot(slots)}
</Spin>
</div>
);
};
},
});