File size: 5,365 Bytes
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<div class="base-folder-tree-node">
<v-list-item :active="currentFolderId === folder.folder_id" @click.stop="$emit('folder-click', folder.folder_id)"
@contextmenu.prevent="handleContextMenu" rounded="lg" :style="{ paddingLeft: `${(depth + 1) * 16}px` }"
:class="['folder-item', { 'drag-over': isDragOver }]"
@dragover.prevent="handleDragOver" @dragleave="handleDragLeave" @drop.prevent="handleDrop">
<template v-slot:prepend>
<v-btn v-if="hasChildren" icon variant="text" size="x-small" @click.stop="toggleExpand"
class="expand-btn">
<v-icon size="16">{{ isExpanded ? 'mdi-chevron-down' : 'mdi-chevron-right' }}</v-icon>
</v-btn>
<div v-else class="expand-placeholder"></div>
<v-icon :color="currentFolderId === folder.folder_id ? 'primary' : ''">
{{ isExpanded ? 'mdi-folder-open' : 'mdi-folder' }}
</v-icon>
</template>
<v-list-item-title class="text-truncate">{{ folder.name }}</v-list-item-title>
</v-list-item>
<!-- 子文件夹 -->
<v-expand-transition>
<div v-show="isExpanded && hasChildren">
<BaseFolderTreeNode v-for="child in folder.children" :key="child.folder_id" :folder="child" :depth="depth + 1"
:current-folder-id="currentFolderId" :search-query="searchQuery"
:expanded-folder-ids="expandedFolderIds" :accept-drop-types="acceptDropTypes"
@folder-click="$emit('folder-click', $event)"
@folder-context-menu="$emit('folder-context-menu', $event)"
@item-dropped="$emit('item-dropped', $event)"
@toggle-expansion="$emit('toggle-expansion', $event)"
@set-expansion="$emit('set-expansion', $event)" />
</div>
</v-expand-transition>
</div>
</template>
<script lang="ts">
import { defineComponent, type PropType } from 'vue';
import type { FolderTreeNode } from './types';
export default defineComponent({
name: 'BaseFolderTreeNode',
props: {
folder: {
type: Object as PropType<FolderTreeNode>,
required: true
},
depth: {
type: Number,
default: 0
},
currentFolderId: {
type: String as PropType<string | null>,
default: null
},
searchQuery: {
type: String,
default: ''
},
expandedFolderIds: {
type: Array as PropType<string[]>,
default: () => []
},
acceptDropTypes: {
type: Array as PropType<string[]>,
default: () => []
}
},
emits: ['folder-click', 'folder-context-menu', 'item-dropped', 'toggle-expansion', 'set-expansion'],
data() {
return {
isDragOver: false
};
},
computed: {
hasChildren(): boolean {
return this.folder.children && this.folder.children.length > 0;
},
isExpanded(): boolean {
return this.expandedFolderIds.includes(this.folder.folder_id);
}
},
watch: {
searchQuery: {
immediate: true,
handler(newQuery: string) {
// 搜索时自动展开匹配的节点
if (newQuery && this.hasChildren) {
this.$emit('set-expansion', { folderId: this.folder.folder_id, expanded: true });
}
}
}
},
methods: {
toggleExpand() {
this.$emit('toggle-expansion', this.folder.folder_id);
},
handleContextMenu(event: MouseEvent) {
this.$emit('folder-context-menu', { event, folder: this.folder });
},
handleDragOver(event: DragEvent) {
if (!event.dataTransfer) return;
event.dataTransfer.dropEffect = 'move';
this.isDragOver = true;
},
handleDragLeave() {
this.isDragOver = false;
},
handleDrop(event: DragEvent) {
this.isDragOver = false;
if (!event.dataTransfer) return;
try {
const data = JSON.parse(event.dataTransfer.getData('application/json'));
if (this.acceptDropTypes.length === 0 || this.acceptDropTypes.includes(data.type)) {
this.$emit('item-dropped', {
item_id: data.id || data.persona_id || data.item_id,
item_type: data.type,
target_folder_id: this.folder.folder_id,
source_data: data
});
}
} catch (e) {
console.error('Failed to parse drop data:', e);
}
}
}
});
</script>
<style scoped>
.base-folder-tree-node {
width: 100%;
}
.folder-item {
min-height: 36px;
transition: all 0.2s ease;
}
.folder-item.drag-over {
background-color: rgba(var(--v-theme-primary), 0.15);
border: 2px dashed rgb(var(--v-theme-primary));
border-radius: 8px;
}
.expand-btn {
margin-right: 4px;
}
.expand-placeholder {
width: 28px;
flex-shrink: 0;
}
</style>
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