| 1 | <template> |
| 2 | <nav class="nav" :class="[{ collapsed }]"> |
| 3 | <n-menu |
| 4 | ref="menu" |
| 5 | v-model:value="selectedKey" |
| 6 | :options="menuOptions" |
| 7 | :collapsed |
| 8 | :indent="18" |
| 9 | :mode |
| 10 | accordion |
| 11 | :collapsed-width |
| 12 | :dropdown-props="{ |
| 13 | scrollable: true, |
| 14 | menuProps: () => ({ |
| 15 | class: 'main-nav' |
| 16 | }) |
| 17 | }" |
| 18 | :expanded-keys |
| 19 | @update:expanded-keys="handleUpdateExpandedKeys" |
| 20 | /> |
| 21 | </nav> |
| 22 | </template> |
| 23 | |
| 24 | <script lang="ts" setup> |
| 25 | import type { MenuInst } from "naive-ui" |
| 26 | import type { MenuMixedOption } from "naive-ui/es/menu/src/interface" |
| 27 | import type { RouteRecordNormalized } from "vue-router" |
| 28 | import _uniq from "lodash/uniq" |
| 29 | import { NMenu } from "naive-ui" |
| 30 | import { computed, onBeforeMount, ref } from "vue" |
| 31 | import { useRoute, useRouter } from "vue-router" |
| 32 | import { useThemeStore } from "@/stores/theme" |
| 33 | import getItems from "./items" |
| 34 | |
| 35 | const { collapsed = false } = defineProps<{ |
| 36 | collapsed?: boolean |
| 37 | mode?: "horizontal" | "vertical" |
| 38 | }>() |
| 39 | |
| 40 | const route = useRoute() |
| 41 | const router = useRouter() |
| 42 | const selectedKey = ref<string | null>(null) |
| 43 | const menu = ref<MenuInst | null>(null) |
| 44 | const expandedKeys = ref<string[] | undefined>(undefined) |
| 45 | |
| 46 | const themeStore = useThemeStore() |
| 47 | |
| 48 | const menuOptions = computed<MenuMixedOption[]>(() => getItems()) |
| 49 | const collapsedWidth = computed<number>(() => themeStore.sidebar.closeWidth) |
| 50 | const sidebarCollapsed = computed<boolean>(() => themeStore.sidebar.collapsed) |
| 51 | |
| 52 | function setMenuKey(matched: RouteRecordNormalized[]) { |
| 53 | for (const match of matched) { |
| 54 | if (match.name && typeof match.name === "string") { |
| 55 | selectedKey.value = match.name?.toString() || null |
| 56 | if (selectedKey.value) { |
| 57 | menu.value?.showOption(selectedKey.value) |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | onBeforeMount(() => { |
| 64 | setMenuKey(route.matched) |
| 65 | |
| 66 | router.afterEach(route => { |
| 67 | if (route?.matched?.length) { |
| 68 | setMenuKey(route.matched) |
| 69 | |
| 70 | if (window.innerWidth <= 700 && !sidebarCollapsed.value) { |
| 71 | themeStore.closeSidebar() |
| 72 | } |
| 73 | } |
| 74 | }) |
| 75 | }) |
| 76 | |
| 77 | // handler to simulate the accordion behavior in a specific submenu |
| 78 | function handleUpdateExpandedKeys(value: string[]) { |
| 79 | const submenu = "components" |
| 80 | |
| 81 | if (value?.length && value.includes(submenu)) { |
| 82 | const lastKey = value.pop() |
| 83 | if (lastKey) { |
| 84 | expandedKeys.value = _uniq([submenu, lastKey]) |
| 85 | } |
| 86 | } else { |
| 87 | expandedKeys.value = undefined |
| 88 | } |
| 89 | } |
| 90 | </script> |
| 91 | |
| 92 | <style lang="scss" scoped> |
| 93 | .nav { |
| 94 | &.collapsed { |
| 95 | pointer-events: none; |
| 96 | } |
| 97 | |
| 98 | :deep() { |
| 99 | .n-menu-item-group { |
| 100 | .n-menu-item-group-title { |
| 101 | white-space: nowrap; |
| 102 | overflow: hidden; |
| 103 | text-overflow: ellipsis; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | .n-submenu-children { |
| 108 | --dash-width: 8px; |
| 109 | --dash-height: 2px; |
| 110 | --dash-offset: 29px; |
| 111 | |
| 112 | position: relative; |
| 113 | |
| 114 | &::before { |
| 115 | content: ""; |
| 116 | display: block; |
| 117 | background-color: var(--border-color); |
| 118 | width: var(--dash-height); |
| 119 | position: absolute; |
| 120 | top: 0px; |
| 121 | bottom: 20px; |
| 122 | left: var(--dash-offset); |
| 123 | } |
| 124 | |
| 125 | .n-menu-item-content { |
| 126 | &::after { |
| 127 | content: ""; |
| 128 | display: block; |
| 129 | background-color: var(--border-color); |
| 130 | width: var(--dash-width); |
| 131 | height: var(--dash-height); |
| 132 | position: absolute; |
| 133 | z-index: -1; |
| 134 | top: calc(50% - calc(ar(--dash-height) / 2)); |
| 135 | left: calc(var(--dash-offset) + var(--dash-height)); |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | .n-menu-item-group { |
| 140 | .n-menu-item-group-title { |
| 141 | padding-left: 44px !important; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | .n-submenu-children { |
| 146 | &::before { |
| 147 | display: none; |
| 148 | } |
| 149 | .n-menu-item-content { |
| 150 | &::after { |
| 151 | width: calc(var(--dash-width) * 3); |
| 152 | background: repeating-linear-gradient( |
| 153 | 90deg, |
| 154 | var(--border-color) 0px, |
| 155 | var(--border-color) 5px, |
| 156 | transparent 5px, |
| 157 | transparent 8px |
| 158 | ); |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | .n-menu--horizontal { |
| 165 | .n-menu-item-content { |
| 166 | .n-menu-item-content-header { |
| 167 | overflow: initial; |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | .direction-rtl { |
| 175 | .nav { |
| 176 | :deep() { |
| 177 | .n-submenu-children { |
| 178 | --dash-offset: 25px; |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | } |
| 183 | </style> |