import type { BasicTableProps, TableRowSelection } from '../types/table';
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import type { Ref, ComputedRef } from 'vue';
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import { computed, unref, ref, nextTick, watch } from 'vue';
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import { getViewportOffset } from '/@/utils/domUtils';
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import { isBoolean } from '/@/utils/is';
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import { useWindowSizeFn } from '/@/hooks/event/useWindowSizeFn';
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import { useModalContext } from '/@/components/Modal';
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import { useDebounce } from '/@/hooks/core/useDebounce';
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import type { BasicColumn } from '/@/components/Table';
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export function useTableScroll(
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propsRef: ComputedRef<BasicTableProps>,
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tableElRef: Ref<ComponentRef>,
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columnsRef: ComputedRef<BasicColumn[]>,
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rowSelectionRef: ComputedRef<TableRowSelection<any> | null>
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) {
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const tableHeightRef: Ref<Nullable<number>> = ref(null);
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const modalFn = useModalContext();
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// const [debounceCalcTableHeight] = useDebounce(calcTableHeight, 80);
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const [debounceRedoHeight] = useDebounce(redoHeight, 250);
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const getCanResize = computed(() => {
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const { canResize, scroll } = unref(propsRef);
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return canResize && !(scroll || {}).y;
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});
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watch(
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() => unref(getCanResize),
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() => {
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debounceRedoHeight();
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},
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{
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immediate: true,
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}
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);
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function redoHeight() {
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if (unref(getCanResize)) {
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nextTick(() => {
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calcTableHeight();
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});
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}
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}
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function setHeight(heigh: number) {
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tableHeightRef.value = heigh;
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// Solve the problem of modal adaptive height calculation when the form is placed in the modal
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modalFn?.redoModalHeight?.();
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}
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// No need to repeat queries
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let paginationEl: HTMLElement | null;
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let footerEl: HTMLElement | null;
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async function calcTableHeight() {
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const { resizeHeightOffset, pagination, maxHeight } = unref(propsRef);
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if (!unref(getCanResize)) return;
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await nextTick();
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const table = unref(tableElRef);
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if (!table) return;
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const tableEl: Element = table.$el;
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if (!tableEl) return;
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const headEl = tableEl.querySelector('.ant-table-thead ');
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if (!headEl) return;
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// Table height from bottom
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const { bottomIncludeBody } = getViewportOffset(headEl);
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// Table height from bottom height-custom offset
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const paddingHeight = 32;
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const borderHeight = 2 * 2;
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// Pager height
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let paginationHeight = 2;
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if (!isBoolean(pagination)) {
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if (!paginationEl) {
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paginationEl = tableEl.querySelector('.ant-pagination') as HTMLElement;
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}
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if (paginationEl) {
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const offsetHeight = paginationEl.offsetHeight;
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paginationHeight += offsetHeight || 0;
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} else {
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// TODO First fix 24
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paginationHeight += 24;
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}
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}
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let footerHeight = 0;
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if (!isBoolean(pagination)) {
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if (!footerEl) {
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footerEl = tableEl.querySelector('.ant-table-footer') as HTMLElement;
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} else {
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const offsetHeight = footerEl.offsetHeight;
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footerHeight += offsetHeight || 0;
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}
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}
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let headerHeight = 0;
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if (headEl) {
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headerHeight = (headEl as HTMLElement).offsetHeight;
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}
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let height =
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bottomIncludeBody -
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(resizeHeightOffset || 0) -
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paddingHeight -
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borderHeight -
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paginationHeight -
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footerHeight -
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headerHeight;
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height = (height > maxHeight! ? (maxHeight as number) : height) ?? height;
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setHeight(height);
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}
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useWindowSizeFn(calcTableHeight, 200);
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const getScrollX = computed(() => {
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let width = 0;
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if (unref(rowSelectionRef)) {
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width += 60;
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}
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// TODO props ?? 0;
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const NORMAL_WIDTH = 150;
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const columns = unref(columnsRef).filter((item) => !item.defaultHidden);
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columns.forEach((item) => {
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width += Number.parseInt(item.width as string) || 0;
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});
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const unsetWidthColumns = columns.filter((item) => !Reflect.has(item, 'width'));
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const len = unsetWidthColumns.length;
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if (len !== 0) {
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width += len * NORMAL_WIDTH;
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}
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const table = unref(tableElRef);
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const tableWidth = table?.$el?.offsetWidth ?? 0;
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return tableWidth > width ? tableWidth - 24 : width;
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});
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const getScrollRef = computed(() => {
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const tableHeight = unref(tableHeightRef);
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const { canResize, scroll } = unref(propsRef);
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return {
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x: unref(getScrollX),
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y: canResize ? tableHeight : null,
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scrollToFirstRowOnChange: false,
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...scroll,
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};
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});
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return { getScrollRef, redoHeight };
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}
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