303 lines
12 KiB
JavaScript
303 lines
12 KiB
JavaScript
import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
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import _extends from "@babel/runtime/helpers/esm/extends";
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import { resolveDirective as _resolveDirective, createVNode as _createVNode } from "vue";
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var __rest = this && this.__rest || function (s, e) {
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var t = {};
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];
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if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
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if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];
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}
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return t;
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};
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import { computed, defineComponent, shallowRef, watch } from 'vue';
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import ResizeObserver from '../vc-resize-observer';
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import classNames from '../_util/classNames';
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import PropTypes from '../_util/vue-types';
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import { OverflowContextProvider } from './context';
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import Item from './Item';
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import RawItem from './RawItem';
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const RESPONSIVE = 'responsive';
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const INVALIDATE = 'invalidate';
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function defaultRenderRest(omittedItems) {
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return `+ ${omittedItems.length} ...`;
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}
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const overflowProps = () => {
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return {
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id: String,
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prefixCls: String,
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data: Array,
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itemKey: [String, Number, Function],
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/** Used for `responsive`. It will limit render node to avoid perf issue */
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itemWidth: {
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type: Number,
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default: 10
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},
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renderItem: Function,
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/** @private Do not use in your production. Render raw node that need wrap Item by developer self */
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renderRawItem: Function,
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maxCount: [Number, String],
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renderRest: Function,
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/** @private Do not use in your production. Render raw node that need wrap Item by developer self */
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renderRawRest: Function,
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suffix: PropTypes.any,
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component: String,
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itemComponent: PropTypes.any,
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/** @private This API may be refactor since not well design */
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onVisibleChange: Function,
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/** When set to `full`, ssr will render full items by default and remove at client side */
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ssr: String,
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onMousedown: Function,
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role: String
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};
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};
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const Overflow = defineComponent({
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name: 'Overflow',
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inheritAttrs: false,
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props: overflowProps(),
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emits: ['visibleChange'],
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setup(props, _ref) {
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let {
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attrs,
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emit,
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slots
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} = _ref;
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const fullySSR = computed(() => props.ssr === 'full');
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const containerWidth = shallowRef(null);
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const mergedContainerWidth = computed(() => containerWidth.value || 0);
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const itemWidths = shallowRef(new Map());
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const prevRestWidth = shallowRef(0);
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const restWidth = shallowRef(0);
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const suffixWidth = shallowRef(0);
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const suffixFixedStart = shallowRef(null);
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const displayCount = shallowRef(null);
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const mergedDisplayCount = computed(() => {
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if (displayCount.value === null && fullySSR.value) {
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return Number.MAX_SAFE_INTEGER;
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}
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return displayCount.value || 0;
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});
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const restReady = shallowRef(false);
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const itemPrefixCls = computed(() => `${props.prefixCls}-item`);
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// Always use the max width to avoid blink
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const mergedRestWidth = computed(() => Math.max(prevRestWidth.value, restWidth.value));
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// ================================= Data =================================
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const isResponsive = computed(() => !!(props.data.length && props.maxCount === RESPONSIVE));
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const invalidate = computed(() => props.maxCount === INVALIDATE);
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/**
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* When is `responsive`, we will always render rest node to get the real width of it for calculation
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*/
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const showRest = computed(() => isResponsive.value || typeof props.maxCount === 'number' && props.data.length > props.maxCount);
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const mergedData = computed(() => {
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let items = props.data;
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if (isResponsive.value) {
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if (containerWidth.value === null && fullySSR.value) {
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items = props.data;
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} else {
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items = props.data.slice(0, Math.min(props.data.length, mergedContainerWidth.value / props.itemWidth));
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}
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} else if (typeof props.maxCount === 'number') {
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items = props.data.slice(0, props.maxCount);
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}
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return items;
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});
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const omittedItems = computed(() => {
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if (isResponsive.value) {
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return props.data.slice(mergedDisplayCount.value + 1);
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}
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return props.data.slice(mergedData.value.length);
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});
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// ================================= Item =================================
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const getKey = (item, index) => {
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var _a;
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if (typeof props.itemKey === 'function') {
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return props.itemKey(item);
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}
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return (_a = props.itemKey && (item === null || item === void 0 ? void 0 : item[props.itemKey])) !== null && _a !== void 0 ? _a : index;
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};
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const mergedRenderItem = computed(() => props.renderItem || (item => item));
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const updateDisplayCount = (count, notReady) => {
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displayCount.value = count;
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if (!notReady) {
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restReady.value = count < props.data.length - 1;
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emit('visibleChange', count);
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}
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};
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// ================================= Size =================================
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const onOverflowResize = (_, element) => {
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containerWidth.value = element.clientWidth;
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};
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const registerSize = (key, width) => {
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const clone = new Map(itemWidths.value);
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if (width === null) {
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clone.delete(key);
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} else {
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clone.set(key, width);
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}
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itemWidths.value = clone;
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};
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const registerOverflowSize = (_, width) => {
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prevRestWidth.value = restWidth.value;
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restWidth.value = width;
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};
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const registerSuffixSize = (_, width) => {
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suffixWidth.value = width;
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};
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// ================================ Effect ================================
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const getItemWidth = index => {
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return itemWidths.value.get(getKey(mergedData.value[index], index));
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};
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watch([mergedContainerWidth, itemWidths, restWidth, suffixWidth, () => props.itemKey, mergedData], () => {
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if (mergedContainerWidth.value && mergedRestWidth.value && mergedData.value) {
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let totalWidth = suffixWidth.value;
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const len = mergedData.value.length;
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const lastIndex = len - 1;
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// When data count change to 0, reset this since not loop will reach
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if (!len) {
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updateDisplayCount(0);
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suffixFixedStart.value = null;
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return;
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}
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for (let i = 0; i < len; i += 1) {
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const currentItemWidth = getItemWidth(i);
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// Break since data not ready
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if (currentItemWidth === undefined) {
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updateDisplayCount(i - 1, true);
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break;
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}
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// Find best match
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totalWidth += currentItemWidth;
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if (
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// Only one means `totalWidth` is the final width
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lastIndex === 0 && totalWidth <= mergedContainerWidth.value ||
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// Last two width will be the final width
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i === lastIndex - 1 && totalWidth + getItemWidth(lastIndex) <= mergedContainerWidth.value) {
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// Additional check if match the end
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updateDisplayCount(lastIndex);
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suffixFixedStart.value = null;
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break;
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} else if (totalWidth + mergedRestWidth.value > mergedContainerWidth.value) {
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// Can not hold all the content to show rest
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updateDisplayCount(i - 1);
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suffixFixedStart.value = totalWidth - currentItemWidth - suffixWidth.value + restWidth.value;
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break;
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}
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}
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if (props.suffix && getItemWidth(0) + suffixWidth.value > mergedContainerWidth.value) {
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suffixFixedStart.value = null;
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}
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}
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});
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return () => {
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// ================================ Render ================================
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const displayRest = restReady.value && !!omittedItems.value.length;
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const {
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itemComponent,
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renderRawItem,
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renderRawRest,
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renderRest,
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prefixCls = 'rc-overflow',
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suffix,
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component: Component = 'div',
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id,
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onMousedown
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} = props;
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const {
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class: className,
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style
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} = attrs,
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restAttrs = __rest(attrs, ["class", "style"]);
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let suffixStyle = {};
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if (suffixFixedStart.value !== null && isResponsive.value) {
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suffixStyle = {
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position: 'absolute',
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left: `${suffixFixedStart.value}px`,
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top: 0
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};
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}
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const itemSharedProps = {
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prefixCls: itemPrefixCls.value,
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responsive: isResponsive.value,
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component: itemComponent,
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invalidate: invalidate.value
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};
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// >>>>> Choice render fun by `renderRawItem`
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const internalRenderItemNode = renderRawItem ? (item, index) => {
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const key = getKey(item, index);
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return _createVNode(OverflowContextProvider, {
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"key": key,
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"value": _extends(_extends({}, itemSharedProps), {
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order: index,
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item,
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itemKey: key,
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registerSize,
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display: index <= mergedDisplayCount.value
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})
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}, {
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default: () => [renderRawItem(item, index)]
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});
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} : (item, index) => {
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const key = getKey(item, index);
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return _createVNode(Item, _objectSpread(_objectSpread({}, itemSharedProps), {}, {
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"order": index,
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"key": key,
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"item": item,
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"renderItem": mergedRenderItem.value,
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"itemKey": key,
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"registerSize": registerSize,
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"display": index <= mergedDisplayCount.value
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}), null);
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};
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// >>>>> Rest node
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let restNode = () => null;
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const restContextProps = {
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order: displayRest ? mergedDisplayCount.value : Number.MAX_SAFE_INTEGER,
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className: `${itemPrefixCls.value} ${itemPrefixCls.value}-rest`,
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registerSize: registerOverflowSize,
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display: displayRest
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};
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if (!renderRawRest) {
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const mergedRenderRest = renderRest || defaultRenderRest;
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restNode = () => _createVNode(Item, _objectSpread(_objectSpread({}, itemSharedProps), restContextProps), {
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default: () => typeof mergedRenderRest === 'function' ? mergedRenderRest(omittedItems.value) : mergedRenderRest
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});
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} else if (renderRawRest) {
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restNode = () => _createVNode(OverflowContextProvider, {
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"value": _extends(_extends({}, itemSharedProps), restContextProps)
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}, {
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default: () => [renderRawRest(omittedItems.value)]
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});
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}
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const overflowNode = () => {
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var _a;
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return _createVNode(Component, _objectSpread({
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"id": id,
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"class": classNames(!invalidate.value && prefixCls, className),
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"style": style,
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"onMousedown": onMousedown,
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"role": props.role
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}, restAttrs), {
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default: () => [mergedData.value.map(internalRenderItemNode), showRest.value ? restNode() : null, suffix && _createVNode(Item, _objectSpread(_objectSpread({}, itemSharedProps), {}, {
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"order": mergedDisplayCount.value,
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"class": `${itemPrefixCls.value}-suffix`,
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"registerSize": registerSuffixSize,
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"display": true,
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"style": suffixStyle
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}), {
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default: () => suffix
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}), (_a = slots.default) === null || _a === void 0 ? void 0 : _a.call(slots)]
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});
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};
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// 使用 disabled 避免结构不一致 导致子组件 rerender
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return _createVNode(ResizeObserver, {
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"disabled": !isResponsive.value,
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"onResize": onOverflowResize
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}, {
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default: overflowNode
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});
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};
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}
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});
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Overflow.Item = RawItem;
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Overflow.RESPONSIVE = RESPONSIVE;
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Overflow.INVALIDATE = INVALIDATE;
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export default Overflow; |