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| <template>
| <div class="vol-el-menu">
| <el-menu
| background-color="#242424"
| close="vol-el-menu--vertical"
| :default-openeds="openedIds"
| :default-active="defaultActive"
| :unique-opened="true"
| @select="select"
| :collapse="isCollapse"
| @open="handleOpen"
| @close="handleClose"
| @contextmenu.prevent="bindRightClickMenu"
| text-color="#fff"
| active-text-color="#fff"
| >
| <template v-for="item in convertTree(list)">
| <el-sub-menu
| :key="item.id"
| :index="'' + item.id"
| v-if="item.children.length && (!enable || item.enable == 1)"
| >
| <template #title>
| <i class="menu-icon" :class="item.icon"></i>
| <span style="font-size: 0.88rem; font-weight: 500">
| {{ item.name }}</span
| >
| </template>
| <vol-element-menu-child
| :enable="enable"
| :list="item.children"
| ></vol-element-menu-child>
| </el-sub-menu>
| <template v-else>
| <el-menu-item
| class="menu-item-lv1"
| v-if="!enable || item.enable == 1"
| :key="item.id"
| :index="'' + item.id"
| >
| <i style="font-size: 1.13rem" :class="item.icon"></i>
| <span style="font-size: 0.88rem; font-weight: 500">
| {{ item.name }}</span
| >
| </el-menu-item>
| </template>
| </template>
| </el-menu>
| </div>
| </template>
|
| <script>
| import VolElementMenuChild from "./VolElementMenuChild.vue";
| import { useRouter } from "vue-router";
|
| import {
| defineComponent,
| reactive,
| watch,
| ref,
| toRef,
| toRefs,
| getCurrentInstance,
| // onMounted,
| } from "vue";
| export default defineComponent({
| components: {
| "vol-element-menu-child": VolElementMenuChild,
| },
| props: {
| enable: {
| type: Boolean,
| default: false, //是否判断enable=1
| },
| isCollapse: {
| type: Boolean,
| default: false,
| },
| onSelect: {
| type: Function,
| default: (x) => {},
| },
| openSelect: {
| //打开的时候是否触发选中事件
| type: Boolean,
| default: true,
| },
| list: {
| type: Array,
| default: [],
| },
| rootId: {
| type: String,
| default: "0",
| },
| currentMenuId: {
| type: Number,
| default: 0,
| },
| },
| setup(props) {
| // const { list } = toRefs(props);
| // const treeList = ref([]);
| const getTree = (id, node, data) => {
| if (!node.children) {
| node.children = [];
| }
| data.forEach((x) => {
| if (x.parentId == id && !node.children.some((c) => c.id === x.id)) {
| node.children.push(x);
| getTree(x.id, x, data);
| }
| });
| };
| let rootTreeId = !isNaN(props.rootId) ? ~~props.rootId : props.rootId;
| props.list.forEach((x) => {
| if (!x.icon || x.icon.substring(0, 3) != "el-") {
| x.icon = "el-icon-menu";
| }
| x.children = [];
| x.isRoot = x.parentId === rootTreeId;
| });
| const convertTree = (data) => {
| var root_data = [];
| data.forEach((x) => {
| if (x.parentId === rootTreeId) {
| if (!x.hasOwnProperty("enable")) x.enable = 1;
| root_data.push(x);
| getTree(x.id, x, data);
| }
| });
| return root_data;
| };
| const openedIds = reactive([props.currentMenuId]);
| const defaultActive = ref(props.currentMenuId + "/");
| let _base = getCurrentInstance().appContext.config.globalProperties.base;
| watch(
| () => props.currentMenuId,
| (newVal, oldVal) => {
| defaultActive.value = newVal + "";
| openedIds.splice(0);
| openedIds.push(
| ..._base.getTreeAllParent(newVal, props.list).map((c) => {
| return c.id;
| })
| );
| }
| );
| const router = useRouter();
| let eventSelect = false;
| const select = (index, path) => {
| if (eventSelect) {
| return;
| }
| eventSelect = true;
| setTimeout(() => {
| eventSelect = false;
| }, 20);
|
| let _item = props.list.find((x) => {
| return x.id == index;
| });
| props.onSelect(index, _item);
| router.push({ path: _item.path || "" });
| };
|
| const handleOpen = (index, path) => {
| if (props.openSelect) {
| select(index, path);
| }
| };
| const handleClose = () => {};
|
| /**
| * 菜单导航右键事件
| * @param {*} enable 是否启用右键事件[true:启用;false:禁用;]
| */
| const bindRightClickMenu = (enable) => {
| if (!enable) return;
| };
|
| return {
| // treeList,
| // list,
| select,
| convertTree,
| handleOpen,
| handleClose,
| bindRightClickMenu,
| openedIds,
| defaultActive,
| };
| },
| });
| </script>
| <style lang="less" scoped>
| .vol-el-menu {
| box-sizing: content-box;
| width: 100%;
| .menu-icon {
| font-size: 18px;
| margin-right: 6px;
| font-size: 1.13rem;
| }
| }
| </style>
|
|
