| New file |
| | |
| | | <template> |
| | | <div class="tree-sidebar" :class="{ collapsed: collapsed, resizing: isResizing, 'no-initial-transition': isLoadingFromStorage}" :style="{ width: sidebarWidth + 'px' }"> |
| | | <!-- 右侧拖动条 --> |
| | | <div v-if="!collapsed" class="resize-handle" @mousedown="startResize" @touchstart="startResize" :class="{ active: isResizing }" /> |
| | | <div class="tree-header"> |
| | | <span class="tree-title" v-show="!collapsed"> |
| | | <i :class="titleIconClass"></i> {{ title }} |
| | | </span> |
| | | <div class="tree-actions" v-show="!collapsed"> |
| | | <el-tooltip :content="isExpandedAll ? '收起全部' : '展开全部'" placement="right"> |
| | | <i class="tree-action-icon" :class="isExpandedAll ? 'el-icon-arrow-down' : 'el-icon-arrow-up'" @click="toggleExpandAll" /> |
| | | </el-tooltip> |
| | | <el-tooltip content="刷新" placement="right"> |
| | | <i class="tree-action-icon el-icon-refresh" @click="handleRefresh" /> |
| | | </el-tooltip> |
| | | <slot name="actions"></slot> |
| | | </div> |
| | | </div> |
| | | |
| | | <!-- 侧边栏展开/收起按钮 --> |
| | | <div class="collapse-button-container"> |
| | | <el-tooltip :content="collapsed ? '展开' : '收起'" placement="right"> |
| | | <i class="collapse-button" :class="collapsed ? 'el-icon-d-arrow-right' : 'el-icon-d-arrow-left'" @click="toggleCollapsed" /> |
| | | </el-tooltip> |
| | | </div> |
| | | |
| | | <div class="tree-search" v-show="!collapsed" v-if="showSearch"> |
| | | <el-input v-model="searchKeyword" :placeholder="searchPlaceholder" clearable size="small" prefix-icon="el-icon-search" @input="onSearch" /> |
| | | </div> |
| | | |
| | | <div class="tree-wrap" v-show="!collapsed"> |
| | | <el-tree |
| | | ref="treeRef" |
| | | :data="treeData" |
| | | :props="treeProps" |
| | | :expand-on-click-node="expandOnClickNode" |
| | | :filter-node-method="filterNodeMethod" |
| | | :default-expand-all="defaultExpandAll" |
| | | :default-expanded-keys="defaultExpandedKeys" |
| | | :node-key="nodeKey" |
| | | :check-strictly="checkStrictly" |
| | | :show-checkbox="showCheckbox" |
| | | @node-click="onNodeClick" |
| | | @check="onCheck" |
| | | @node-expand="onNodeExpand" |
| | | @node-collapse="onNodeCollapse" |
| | | > |
| | | <span class="tree-node" slot-scope="{ node, data }"> |
| | | <slot name="node" :node="node" :data="data"> |
| | | <i :class="data.children && data.children.length ? 'el-icon-folder' : 'el-icon-document'" class="node-icon" /> |
| | | <span class="node-label" :title="node.label">{{ node.label }}</span> |
| | | </slot> |
| | | </span> |
| | | </el-tree> |
| | | </div> |
| | | </div> |
| | | </template> |
| | | |
| | | <script> |
| | | export default { |
| | | name: "TreeSidebar", |
| | | props: { |
| | | // 树形数据 |
| | | treeData: { |
| | | type: Array, |
| | | default: () => [] |
| | | }, |
| | | // 标题 |
| | | title: { |
| | | type: String, |
| | | default: '树形结构' |
| | | }, |
| | | // 标题图标类名 |
| | | titleIconClass: { |
| | | type: String, |
| | | default: 'el-icon-office-building' |
| | | }, |
| | | // 是否显示搜索框 |
| | | showSearch: { |
| | | type: Boolean, |
| | | default: true |
| | | }, |
| | | // 搜索框占位符 |
| | | searchPlaceholder: { |
| | | type: String, |
| | | default: '请输入名称' |
| | | }, |
| | | // 是否默认收起侧边栏 |
| | | defaultCollapsed: { |
| | | type: Boolean, |
| | | default: false |
| | | }, |
| | | // 树配置项 |
| | | treeProps: { |
| | | type: Object, |
| | | default: () => ({ |
| | | children: "children", |
| | | label: "label" |
| | | }) |
| | | }, |
| | | // 节点唯一标识字段 |
| | | nodeKey: { |
| | | type: String, |
| | | default: 'id' |
| | | }, |
| | | // 是否在点击节点时展开或收起 |
| | | expandOnClickNode: { |
| | | type: Boolean, |
| | | default: false |
| | | }, |
| | | // 是否显示复选框 |
| | | showCheckbox: { |
| | | type: Boolean, |
| | | default: false |
| | | }, |
| | | // 是否严格的遵循父子不互相关联 |
| | | checkStrictly: { |
| | | type: Boolean, |
| | | default: false |
| | | }, |
| | | // 是否默认展开所有节点 |
| | | defaultExpandAll: { |
| | | type: Boolean, |
| | | default: false |
| | | }, |
| | | // 默认展开的节点的key数组 |
| | | defaultExpandedKeys: { |
| | | type: Array, |
| | | default: () => [] |
| | | }, |
| | | // 默认宽度 |
| | | defaultWidth: { |
| | | type: Number, |
| | | default: 220 |
| | | }, |
| | | // 收起时的宽度 |
| | | collapsedWidth: { |
| | | type: Number, |
| | | default: 20 |
| | | }, |
| | | // 最小宽度 |
| | | minWidth: { |
| | | type: Number, |
| | | default: 180 |
| | | }, |
| | | // 最大宽度 |
| | | maxWidth: { |
| | | type: Number, |
| | | default: 400 |
| | | }, |
| | | // 本地存储的宽度key |
| | | storageKey: { |
| | | type: String, |
| | | default: 'tree-sidebar-width' |
| | | }, |
| | | // 是否启用本地存储宽度 |
| | | enableStorage: { |
| | | type: Boolean, |
| | | default: true |
| | | }, |
| | | // 自定义过滤方法 |
| | | filterMethod: { |
| | | type: Function, |
| | | default: null |
| | | } |
| | | }, |
| | | data() { |
| | | return { |
| | | searchKeyword: "", |
| | | collapsed: this.defaultCollapsed, |
| | | sidebarWidth: this.defaultCollapsed ? this.collapsedWidth : this.defaultWidth, |
| | | isResizing: false, |
| | | startX: 0, |
| | | startWidth: 0, |
| | | saveWidthTimer: null, |
| | | rafId: null, |
| | | isLoadingFromStorage: false, |
| | | expandedAll: this.defaultExpandAll |
| | | }; |
| | | }, |
| | | computed: { |
| | | // 计算当前是否全部展开 |
| | | isExpandedAll: { |
| | | get() { |
| | | return this.expandedAll; |
| | | }, |
| | | set(val) { |
| | | this.expandedAll = val; |
| | | } |
| | | } |
| | | }, |
| | | watch: { |
| | | collapsed(newVal, oldVal) { |
| | | if (newVal !== oldVal) { |
| | | this.handleCollapseChange(newVal); |
| | | this.$emit("collapsed-change", newVal); |
| | | } |
| | | }, |
| | | // 监听内部展开状态变化,触发实际树的展开/收起 |
| | | expandedAll(newVal) { |
| | | this.$nextTick(() => { |
| | | if (newVal) { |
| | | this.expandAllNodes(); |
| | | } else { |
| | | this.collapseAllNodes(); |
| | | } |
| | | }); |
| | | this.$emit("expanded-all-change", newVal); |
| | | }, |
| | | // 监听搜索关键词 |
| | | searchKeyword(val) { |
| | | if (this.$refs.treeRef) { |
| | | this.$refs.treeRef.filter(val); |
| | | this.$emit("search", val); |
| | | } |
| | | } |
| | | }, |
| | | mounted() { |
| | | this.isLoadingFromStorage = true |
| | | if (!this.collapsed && this.enableStorage) { |
| | | const savedWidth = this.getSavedWidth(); |
| | | if (savedWidth !== null) { |
| | | this.sidebarWidth = savedWidth; |
| | | } |
| | | } |
| | | this.$nextTick(() => { |
| | | this.isLoadingFromStorage = false |
| | | }) |
| | | if (this.expandedAll) { |
| | | this.$nextTick(() => { |
| | | this.expandAllNodes(); |
| | | }); |
| | | } |
| | | }, |
| | | beforeDestroy() { |
| | | this.cleanup(); |
| | | }, |
| | | methods: { |
| | | // 节点过滤方法 |
| | | filterNodeMethod(value, data) { |
| | | if (this.filterMethod) { |
| | | return this.filterMethod(value, data); |
| | | } |
| | | if (!value) return true; |
| | | return data.label && data.label.indexOf(value) !== -1; |
| | | }, |
| | | // 清理定时器和动画帧 |
| | | cleanup() { |
| | | if (this.rafId) { |
| | | cancelAnimationFrame(this.rafId); |
| | | this.rafId = null; |
| | | } |
| | | if (this.saveWidthTimer) { |
| | | clearTimeout(this.saveWidthTimer); |
| | | this.saveWidthTimer = null; |
| | | } |
| | | }, |
| | | // 处理收起/展开状态变化 |
| | | handleCollapseChange(isCollapsed) { |
| | | if (isCollapsed) { |
| | | this.saveWidthToStorage(); |
| | | this.sidebarWidth = this.collapsedWidth; |
| | | } else { |
| | | const savedWidth = this.getSavedWidth(); |
| | | this.sidebarWidth = savedWidth !== null ? savedWidth : this.defaultWidth; |
| | | } |
| | | }, |
| | | // 获取保存的宽度 |
| | | getSavedWidth() { |
| | | if (!this.enableStorage) { |
| | | return null; |
| | | } |
| | | try { |
| | | const savedWidth = localStorage.getItem(this.storageKey); |
| | | if (savedWidth) { |
| | | const width = parseInt(savedWidth, 10); |
| | | if (!isNaN(width) && width >= this.minWidth && width <= this.maxWidth) { |
| | | return width; |
| | | } |
| | | } |
| | | } catch (error) { |
| | | console.warn(`Failed to load sidebar width from storage with key ${this.storageKey}:`, error); |
| | | } |
| | | return null; |
| | | }, |
| | | // 保存宽度到本地存储 |
| | | saveWidthToStorage() { |
| | | if (this.collapsed || !this.enableStorage) return; |
| | | try { |
| | | localStorage.setItem(this.storageKey, this.sidebarWidth.toString()); |
| | | } catch (error) { |
| | | console.warn(`Failed to save sidebar width to storage with key ${this.storageKey}:`, error); |
| | | } |
| | | }, |
| | | // 切换侧边栏收起/展开状态 |
| | | toggleCollapsed() { |
| | | this.collapsed = !this.collapsed; |
| | | }, |
| | | // 切换展开/折叠所有节点 |
| | | toggleExpandAll() { |
| | | this.isExpandedAll = !this.isExpandedAll; |
| | | }, |
| | | // 展开所有节点 |
| | | expandAllNodes() { |
| | | if (!this.$refs.treeRef) return; |
| | | const allNodes = this.getAllNodes(this.$refs.treeRef.root); |
| | | allNodes.forEach(node => { |
| | | if (node.expanded !== undefined && !node.expanded) { |
| | | node.expanded = true; |
| | | } |
| | | }); |
| | | }, |
| | | // 获取所有节点 |
| | | getAllNodes(rootNode) { |
| | | const nodes = []; |
| | | const traverse = (node) => { |
| | | if (!node) return; |
| | | nodes.push(node); |
| | | if (node.childNodes && node.childNodes.length) { |
| | | node.childNodes.forEach(child => traverse(child)); |
| | | } |
| | | }; |
| | | traverse(rootNode); |
| | | return nodes; |
| | | }, |
| | | // 收起所有节点 |
| | | collapseAllNodes() { |
| | | if (!this.$refs.treeRef) return; |
| | | const allNodes = this.getAllNodes(this.$refs.treeRef.root); |
| | | allNodes.forEach(node => { |
| | | if (node.expanded !== undefined && node.expanded) { |
| | | node.expanded = false; |
| | | } |
| | | }); |
| | | }, |
| | | // 处理刷新操作 |
| | | handleRefresh() { |
| | | this.$emit("refresh"); |
| | | }, |
| | | // 节点点击事件 |
| | | onNodeClick(data, node, e) { |
| | | this.$emit("node-click", data, node, e); |
| | | }, |
| | | // 复选框选中事件 |
| | | onCheck(data, checkedInfo) { |
| | | this.$emit("check", data, checkedInfo); |
| | | }, |
| | | // 节点展开事件 |
| | | onNodeExpand(data, node, e) { |
| | | this.$emit("node-expand", data, node, e); |
| | | }, |
| | | // 节点折叠事件 |
| | | onNodeCollapse(data, node, e) { |
| | | this.$emit("node-collapse", data, node, e); |
| | | }, |
| | | // 搜索处理 |
| | | onSearch() { |
| | | // 搜索逻辑已在 watch 中处理 |
| | | }, |
| | | // 设置当前选中的节点 |
| | | setCurrentKey(key) { |
| | | if (this.$refs.treeRef) { |
| | | this.$refs.treeRef.setCurrentKey(key); |
| | | } |
| | | }, |
| | | // 获取当前选中的节点 |
| | | getCurrentNode() { |
| | | if (this.$refs.treeRef) { |
| | | return this.$refs.treeRef.getCurrentNode(); |
| | | } |
| | | return null; |
| | | }, |
| | | // 获取当前选中的节点的key |
| | | getCurrentKey() { |
| | | if (this.$refs.treeRef) { |
| | | return this.$refs.treeRef.getCurrentKey(); |
| | | } |
| | | return null; |
| | | }, |
| | | // 设置选中的节点keys(复选框) |
| | | setCheckedKeys(keys) { |
| | | if (this.$refs.treeRef && this.showCheckbox) { |
| | | this.$refs.treeRef.setCheckedKeys(keys); |
| | | } |
| | | }, |
| | | // 获取选中的节点keys(复选框) |
| | | getCheckedKeys() { |
| | | if (this.$refs.treeRef && this.showCheckbox) { |
| | | return this.$refs.treeRef.getCheckedKeys(); |
| | | } |
| | | return []; |
| | | }, |
| | | // 获取选中的节点(复选框) |
| | | getCheckedNodes() { |
| | | if (this.$refs.treeRef && this.showCheckbox) { |
| | | return this.$refs.treeRef.getCheckedNodes(); |
| | | } |
| | | return []; |
| | | }, |
| | | // 清空搜索 |
| | | clearSearch() { |
| | | this.searchKeyword = ""; |
| | | if (this.$refs.treeRef) { |
| | | this.$refs.treeRef.filter(""); |
| | | } |
| | | }, |
| | | // 过滤树 |
| | | filter(value) { |
| | | this.searchKeyword = value; |
| | | }, |
| | | // 开始调整大小 |
| | | startResize(e) { |
| | | e.preventDefault(); |
| | | e.stopPropagation(); |
| | | this.isResizing = true; |
| | | this.startX = e.type === 'mousedown' ? e.clientX : e.touches[0].clientX; |
| | | this.startWidth = this.sidebarWidth; |
| | | |
| | | if (e.type === 'mousedown') { |
| | | document.addEventListener('mousemove', this.handleResizeMove); |
| | | document.addEventListener('mouseup', this.stopResize); |
| | | } else { |
| | | document.addEventListener('touchmove', this.handleResizeMove, { passive: false }); |
| | | document.addEventListener('touchend', this.stopResize); |
| | | } |
| | | this.disableUserSelect(); |
| | | }, |
| | | // 处理调整大小移动 |
| | | handleResizeMove(e) { |
| | | if (!this.isResizing) return; |
| | | if (this.rafId) { |
| | | cancelAnimationFrame(this.rafId); |
| | | } |
| | | this.rafId = requestAnimationFrame(() => { |
| | | e.preventDefault(); |
| | | e.stopPropagation(); |
| | | const clientX = e.type === 'mousemove' ? e.clientX : e.touches[0].clientX; |
| | | const deltaX = clientX - this.startX; |
| | | const newWidth = this.startWidth + deltaX; |
| | | const clampedWidth = Math.max(this.minWidth, Math.min(this.maxWidth, newWidth)); |
| | | if (Math.abs(clampedWidth - this.sidebarWidth) >= 1) { |
| | | this.sidebarWidth = clampedWidth; |
| | | } |
| | | }); |
| | | }, |
| | | // 停止调整大小 |
| | | stopResize() { |
| | | if (!this.isResizing) return; |
| | | this.isResizing = false; |
| | | if (this.rafId) { |
| | | cancelAnimationFrame(this.rafId); |
| | | this.rafId = null; |
| | | } |
| | | this.startX = 0; |
| | | this.startWidth = 0; |
| | | document.removeEventListener('mousemove', this.handleResizeMove); |
| | | document.removeEventListener('mouseup', this.stopResize); |
| | | document.removeEventListener('touchmove', this.handleResizeMove); |
| | | document.removeEventListener('touchend', this.stopResize); |
| | | this.enableUserSelect(); |
| | | this.saveWidthToStorage(); |
| | | }, |
| | | // 禁用用户选择 |
| | | disableUserSelect() { |
| | | document.body.style.userSelect = 'none'; |
| | | document.body.style.webkitUserSelect = 'none'; |
| | | document.body.style.mozUserSelect = 'none'; |
| | | document.body.style.msUserSelect = 'none'; |
| | | }, |
| | | // 启用用户选择 |
| | | enableUserSelect() { |
| | | document.body.style.userSelect = ''; |
| | | document.body.style.webkitUserSelect = ''; |
| | | document.body.style.mozUserSelect = ''; |
| | | document.body.style.msUserSelect = ''; |
| | | }, |
| | | // 重置宽度到默认值 |
| | | resetWidth() { |
| | | this.sidebarWidth = this.defaultWidth; |
| | | this.saveWidthToStorage(); |
| | | }, |
| | | // 获取当前宽度 |
| | | getCurrentWidth() { |
| | | return this.sidebarWidth; |
| | | }, |
| | | // 设置宽度 |
| | | setWidth(width) { |
| | | if (typeof width === 'number' && width >= this.minWidth && width <= this.maxWidth) { |
| | | this.sidebarWidth = width; |
| | | if (!this.collapsed) { |
| | | this.saveWidthToStorage(); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | }; |
| | | </script> |
| | | |
| | | <style lang="scss" scoped> |
| | | .tree-sidebar { |
| | | flex-shrink: 0; |
| | | width: 220px; |
| | | background: #fff; |
| | | border-right: 1px solid #e8eaed; |
| | | display: flex; |
| | | flex-direction: column; |
| | | overflow: hidden; |
| | | position: relative; |
| | | transition: width 0.25s ease; |
| | | |
| | | &.collapsed { |
| | | width: 42px; |
| | | } |
| | | |
| | | &.resizing { |
| | | transition: none; |
| | | will-change: width; |
| | | |
| | | * { |
| | | pointer-events: none !important; |
| | | } |
| | | } |
| | | |
| | | &.no-initial-transition { |
| | | transition: none; |
| | | } |
| | | } |
| | | |
| | | .resize-handle { |
| | | position: absolute; |
| | | top: 0; |
| | | right: 0; |
| | | width: 6px; |
| | | height: 100%; |
| | | cursor: col-resize; |
| | | z-index: 20; |
| | | background: transparent; |
| | | transition: background 0.2s; |
| | | |
| | | &:hover { |
| | | background: rgba(64, 158, 255, 0.3); |
| | | } |
| | | |
| | | &.active { |
| | | background: rgba(64, 158, 255, 0.5); |
| | | } |
| | | } |
| | | |
| | | .collapse-button-container { |
| | | position: absolute; |
| | | top: 50%; |
| | | right: 0; |
| | | transform: translateY(-50%); |
| | | z-index: 100; |
| | | display: flex; |
| | | align-items: center; |
| | | justify-content: center; |
| | | width: 15px; |
| | | height: 20px; |
| | | background: #fff; |
| | | border-radius: 0 4px 4px 0; |
| | | box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); |
| | | transition: all 0.2s ease; |
| | | |
| | | .tree-sidebar.collapsed & { |
| | | right: 0; |
| | | background: #f7f8fa; |
| | | border-radius: 0 4px 4px 0; |
| | | } |
| | | |
| | | .tree-sidebar.resizing & { |
| | | pointer-events: none; |
| | | } |
| | | } |
| | | |
| | | .collapse-button { |
| | | font-size: 14px; |
| | | color: #909399; |
| | | cursor: pointer; |
| | | padding: 4px; |
| | | border-radius: 4px; |
| | | transition: all 0.2s; |
| | | |
| | | &:hover { |
| | | color: #409eff; |
| | | background: #ecf5ff; |
| | | } |
| | | } |
| | | |
| | | .tree-header { |
| | | display: flex; |
| | | align-items: center; |
| | | justify-content: space-between; |
| | | padding: 0 10px; |
| | | height: 40px; |
| | | border-bottom: 1px solid #e8eaed; |
| | | background: #f7f8fa; |
| | | flex-shrink: 0; |
| | | |
| | | .tree-title { |
| | | font-size: 13px; |
| | | font-weight: 600; |
| | | color: #303133; |
| | | white-space: nowrap; |
| | | overflow: hidden; |
| | | display: flex; |
| | | align-items: center; |
| | | gap: 5px; |
| | | |
| | | i { |
| | | color: #409eff; |
| | | font-size: 14px; |
| | | } |
| | | } |
| | | |
| | | .tree-actions { |
| | | display: flex; |
| | | align-items: center; |
| | | gap: 4px; |
| | | flex-shrink: 0; |
| | | } |
| | | } |
| | | |
| | | .tree-action-icon { |
| | | font-size: 14px; |
| | | color: #909399; |
| | | cursor: pointer; |
| | | padding: 4px; |
| | | border-radius: 4px; |
| | | transition: all 0.2s; |
| | | |
| | | &:hover { |
| | | color: #409eff; |
| | | background: #ecf5ff; |
| | | } |
| | | } |
| | | |
| | | .tree-search { |
| | | padding: 10px 10px 4px; |
| | | flex-shrink: 0; |
| | | } |
| | | |
| | | .tree-wrap { |
| | | flex: 1; |
| | | overflow-y: auto; |
| | | padding: 6px 6px 12px; |
| | | |
| | | .tree-sidebar.resizing & { |
| | | overflow: hidden; |
| | | } |
| | | |
| | | &::-webkit-scrollbar { |
| | | width: 4px; |
| | | } |
| | | |
| | | &::-webkit-scrollbar-thumb { |
| | | background: #dcdfe6; |
| | | border-radius: 4px; |
| | | |
| | | &:hover { |
| | | background: #c0c4cc; |
| | | } |
| | | } |
| | | |
| | | ::v-deep .el-tree-node__content { |
| | | height: 32px; |
| | | border-radius: 4px; |
| | | margin-bottom: 1px; |
| | | |
| | | &:hover { |
| | | background: #f0f7ff; |
| | | } |
| | | } |
| | | |
| | | ::v-deep .el-tree-node.is-current > .el-tree-node__content { |
| | | background: #e6f0fd; |
| | | color: #409eff; |
| | | font-weight: 600; |
| | | |
| | | .node-icon { |
| | | color: #409eff !important; |
| | | } |
| | | } |
| | | } |
| | | |
| | | .tree-node { |
| | | display: flex; |
| | | align-items: center; |
| | | gap: 5px; |
| | | font-size: 13px; |
| | | overflow: hidden; |
| | | |
| | | .node-icon { |
| | | font-size: 14px; |
| | | color: #f5a623; |
| | | flex-shrink: 0; |
| | | } |
| | | |
| | | .node-label { |
| | | overflow: hidden; |
| | | text-overflow: ellipsis; |
| | | white-space: nowrap; |
| | | } |
| | | } |
| | | |
| | | ::v-deep .el-icon-document.node-icon { |
| | | color: #909399 !important; |
| | | } |
| | | </style> |