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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| <template> | ||
| <div class="sidebar"> | ||
| <ul> | ||
| <li v-for="item in items" :key="item.id" @click="toggleItem(item.id)"> | ||
| {{ item.name }} | ||
| <ul v-if="isOpen(item.id) && (depth < maxDepth || maxDepth === -1)"> | ||
| <SidebarItem | ||
| :item="item" | ||
| :open-items="openItems" | ||
| :depth="depth + 1" | ||
| :max-depth="maxDepth" | ||
| @item-selected="selectItem" | ||
| /> | ||
| </ul> | ||
| </li> | ||
| </ul> | ||
| </div> | ||
| </template> | ||
|
|
||
| <script setup lang="ts"> | ||
| import { ref, computed, watch } from "vue" | ||
| import { PropType } from "vue" | ||
| import SidebarItem from "./SidebarItem.vue" | ||
| const props = defineProps({ | ||
| modelValue: { | ||
| type: Array as PropType<string[]>, | ||
| default: () => [], | ||
| }, | ||
| items: { | ||
| type: Array as PropType<{ id: string; name: string; children?: { id: string; name: string; children?: any }[] }[]>, | ||
| default: () => [], | ||
| }, | ||
| defaultOpen: { | ||
| type: String, | ||
| default: undefined, | ||
| }, | ||
| maxDepth: { | ||
| type: Number, | ||
| default: -1, // -1 表示不限制深度 | ||
| }, | ||
| }) | ||
| const emit = defineEmits(["update:modelValue", "itemSelected"]) | ||
| const openItems = ref(props.modelValue) | ||
| const depth = 0 // 初始化 depth 为 0 | ||
| const isOpen = (id: string) => openItems.value.includes(id) | ||
| const toggleItem = (id: string) => { | ||
| if (isOpen(id)) { | ||
| openItems.value = openItems.value.filter((i) => i !== id) | ||
| } else { | ||
| openItems.value.push(id) | ||
| } | ||
| } | ||
| const selectItem = (item: { name: string; content: string }) => { | ||
| emit("itemSelected", item) | ||
| } | ||
| const openAllParents = (id: string, path: string[]) => { | ||
| for (let i = path.length - 1; i >= 0; i--) { | ||
| const parentId = path[i] | ||
| if (!openItems.value.includes(parentId)) { | ||
| openItems.value.push(parentId) | ||
| } | ||
| } | ||
| if (!openItems.value.includes(id)) { | ||
| openItems.value.push(id) | ||
| } | ||
| } | ||
| const findPathToId = (id: string, items: any[], path: string[]): string[] | null => { | ||
| for (let i = 0; i < items.length; i++) { | ||
| const item = items[i] | ||
| if (item.id === id) { | ||
| return [...path, item.id] | ||
| } | ||
| if (item.children && item.children.length > 0) { | ||
| const childPath = findPathToId(id, item.children, [...path, item.id]) | ||
| if (childPath) { | ||
| return childPath | ||
| } | ||
| } | ||
| } | ||
| return null | ||
| } | ||
| watch( | ||
| () => props.defaultOpen, | ||
| (newVal) => { | ||
| if (newVal !== undefined) { | ||
| const path = findPathToId(newVal, props.items, []) | ||
| if (path) { | ||
| openAllParents(newVal, path) | ||
| } | ||
| } | ||
| }, | ||
| { immediate: true } | ||
| ) | ||
| watch(openItems, (newVal) => { | ||
| emit("update:modelValue", newVal) | ||
| }) | ||
| </script> | ||
|
|
||
| <style lang="stylus" scoped> | ||
| .sidebar | ||
| width 250px | ||
| background-color #f4f4f9 | ||
| padding 15px | ||
| ul | ||
| list-style-type none | ||
| padding 0 | ||
| li | ||
| cursor pointer | ||
| padding 8px 0 | ||
| border-bottom 1px solid #ddd | ||
| &:hover | ||
| background-color #e0e0e0 | ||
| </style> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| <template> | ||
| <ul> | ||
| <li v-for="subItem in item.children" :key="subItem.id" @click="selectItem(subItem)"> | ||
| {{ subItem.name }} | ||
| <ul v-if="subItem.children && subItem.children.length > 0 && (depth < maxDepth || maxDepth === -1)"> | ||
| <SidebarItem | ||
| :item="subItem" | ||
| :open-items="openItems" | ||
| :depth="depth + 1" | ||
| :max-depth="maxDepth" | ||
| @item-selected="selectItem" | ||
| /> | ||
| </ul> | ||
| </li> | ||
| </ul> | ||
| </template> | ||
|
|
||
| <script setup lang="ts"> | ||
| import { type PropType } from "vue" | ||
| const props = defineProps({ | ||
| item: { | ||
| type: Object as PropType<{ id: string; name: string; children?: { id: string; name: string; children?: any }[] }>, | ||
| required: true, | ||
| }, | ||
| openItems: { | ||
| type: Array as PropType<string[]>, | ||
| required: true, | ||
| }, | ||
| depth: { | ||
| type: Number, | ||
| required: true, | ||
| }, | ||
| maxDepth: { | ||
| type: Number, | ||
| default: -1, // -1 表示不限制深度 | ||
| }, | ||
| }) | ||
| const emit = defineEmits(["itemSelected"]) | ||
| const selectItem = (item: any) => { | ||
| emit("itemSelected", item) | ||
| } | ||
| </script> | ||
|
|
||
| <style lang="stylus" scoped> | ||
| ul | ||
| list-style-type none | ||
| padding 0 | ||
| li | ||
| cursor pointer | ||
| padding 8px 0 | ||
| border-bottom 1px solid #ddd | ||
| &:hover | ||
| background-color #e0e0e0 | ||
| </style> |