99 lines
2.9 KiB
JavaScript
99 lines
2.9 KiB
JavaScript
import { h, ref, defineComponent, inject, computed } from 'vue';
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import { VirtualList } from 'vueuc';
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import NCascaderOption from "./CascaderOption.mjs";
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import { NScrollbar } from "../../_internal/index.mjs";
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import { cascaderInjectionKey } from "./interface.mjs";
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import { depx } from 'seemly';
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export default defineComponent({
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name: 'CascaderSubmenu',
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props: {
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depth: {
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type: Number,
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required: true
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},
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tmNodes: {
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type: Array,
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required: true
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}
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},
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setup() {
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const {
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virtualScrollRef,
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mergedClsPrefixRef,
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mergedThemeRef,
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optionHeightRef
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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} = inject(cascaderInjectionKey);
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const scrollbarInstRef = ref(null);
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const vlInstRef = ref(null);
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const inst = {
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scroll(index, elSize) {
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var _a, _b;
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if (virtualScrollRef.value) {
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(_a = vlInstRef.value) === null || _a === void 0 ? void 0 : _a.scrollTo({
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index
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});
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} else {
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(_b = scrollbarInstRef.value) === null || _b === void 0 ? void 0 : _b.scrollTo({
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index,
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elSize
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});
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}
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}
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};
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return Object.assign({
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mergedClsPrefix: mergedClsPrefixRef,
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mergedTheme: mergedThemeRef,
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scrollbarInstRef,
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vlInstRef,
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virtualScroll: virtualScrollRef,
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itemSize: computed(() => depx(optionHeightRef.value)),
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handleVlScroll: () => {
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var _a;
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(_a = scrollbarInstRef.value) === null || _a === void 0 ? void 0 : _a.sync();
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},
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getVlContainer: () => {
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var _a;
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return (_a = vlInstRef.value) === null || _a === void 0 ? void 0 : _a.listElRef;
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},
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getVlContent: () => {
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var _a;
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return (_a = vlInstRef.value) === null || _a === void 0 ? void 0 : _a.itemsElRef;
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}
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}, inst);
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},
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render() {
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const {
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mergedClsPrefix,
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mergedTheme,
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virtualScroll
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} = this;
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return h("div", {
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class: [virtualScroll && `${mergedClsPrefix}-cascader-submenu--virtual`, `${mergedClsPrefix}-cascader-submenu`]
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}, h(NScrollbar, {
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ref: "scrollbarInstRef",
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theme: mergedTheme.peers.Scrollbar,
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themeOverrides: mergedTheme.peerOverrides.Scrollbar,
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container: virtualScroll ? this.getVlContainer : undefined,
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content: virtualScroll ? this.getVlContent : undefined
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}, {
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default: () => virtualScroll ? h(VirtualList, {
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items: this.tmNodes,
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itemSize: this.itemSize,
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onScroll: this.handleVlScroll,
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showScrollbar: false,
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ref: "vlInstRef"
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}, {
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default: ({
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item: tmNode
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}) => h(NCascaderOption, {
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key: tmNode.key,
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tmNode: tmNode
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})
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}) : this.tmNodes.map(tmNode => h(NCascaderOption, {
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key: tmNode.key,
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tmNode: tmNode
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}))
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}));
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}
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}); |