bourdon
23843493b8
主要改动： - 重构目录结构：合并子目录到根目录，简化项目结构 - 添加完整的查询 API：支持复杂条件查询、字段选择、游标模式 - 实现 LSM-Tree Compaction：7层结构、Score-based策略、后台异步合并 - 添加 Web UI：基于 Lit 的现代化管理界面，支持数据浏览和 Manifest 查看 - 完善文档：添加 README.md 和 examples/webui/README.md 新增功能： - Query Builder：链式查询 API，支持 Eq/Lt/Gt/In/Between/Contains 等操作符 - Web UI 组件：srdb-app、srdb-table-list、srdb-data-view、srdb-manifest-view 等 - 列选择持久化：自动保存到 localStorage - 刷新按钮：一键刷新当前视图 - 主题切换：深色/浅色主题支持 代码优化： - 使用 Go 1.24 新特性：range 7、min()、maps.Copy()、slices.Sort() - 统一组件命名：所有 Web Components 使用 srdb-* 前缀 - CSS 优化：提取共享样式，减少重复代码 - 清理遗留代码：删除未使用的方法和样式
352 lines
9.4 KiB
JavaScript
352 lines
9.4 KiB
JavaScript
import { LitElement, html, css } from 'https://cdn.jsdelivr.net/gh/lit/dist@3/core/lit-core.min.js';
|
||
import { sharedStyles, cssVariables } from '../styles/shared-styles.js';
|
||
|
||
export class DataView extends LitElement {
|
||
static properties = {
|
||
tableName: { type: String },
|
||
schema: { type: Object },
|
||
tableData: { type: Object },
|
||
selectedColumns: { type: Array },
|
||
loading: { type: Boolean }
|
||
};
|
||
|
||
static styles = [
|
||
sharedStyles,
|
||
cssVariables,
|
||
css`
|
||
:host {
|
||
display: block;
|
||
}
|
||
|
||
h3 {
|
||
font-size: 16px;
|
||
font-weight: 600;
|
||
margin: 20px 0 12px 0;
|
||
color: var(--text-primary);
|
||
}
|
||
|
||
.schema-section {
|
||
margin-bottom: 24px;
|
||
}
|
||
|
||
.schema-grid {
|
||
display: grid;
|
||
grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
|
||
gap: 12px;
|
||
}
|
||
|
||
.schema-field-card {
|
||
padding: 12px;
|
||
background: var(--bg-elevated);
|
||
border: 1px solid var(--border-color);
|
||
border-radius: var(--radius-md);
|
||
cursor: pointer;
|
||
transition: var(--transition);
|
||
}
|
||
|
||
.schema-field-card:hover {
|
||
background: var(--bg-hover);
|
||
}
|
||
|
||
.schema-field-card.selected {
|
||
border-color: var(--primary);
|
||
background: var(--primary-bg);
|
||
}
|
||
|
||
.field-item {
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 4px;
|
||
}
|
||
|
||
.field-item-row {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 8px;
|
||
}
|
||
|
||
.field-index-icon {
|
||
font-size: 14px;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.field-name {
|
||
font-weight: 500;
|
||
color: var(--text-primary);
|
||
font-size: 13px;
|
||
flex: 1;
|
||
}
|
||
|
||
.field-type {
|
||
font-family: 'Courier New', monospace;
|
||
}
|
||
|
||
.field-comment {
|
||
color: var(--text-tertiary);
|
||
font-size: 11px;
|
||
margin-top: 4px;
|
||
font-style: italic;
|
||
min-height: 16px;
|
||
}
|
||
|
||
.field-comment:empty::before {
|
||
content: "No comment";
|
||
opacity: 0.5;
|
||
}
|
||
|
||
.table-wrapper {
|
||
overflow-x: auto;
|
||
background: var(--bg-elevated);
|
||
border-radius: var(--radius-md);
|
||
border: 1px solid var(--border-color);
|
||
}
|
||
|
||
.data-table {
|
||
width: 100%;
|
||
border-collapse: collapse;
|
||
font-size: 13px;
|
||
}
|
||
|
||
.data-table th {
|
||
background: var(--bg-surface);
|
||
color: var(--text-secondary);
|
||
font-weight: 600;
|
||
text-align: left;
|
||
padding: 12px;
|
||
border-bottom: 1px solid var(--border-color);
|
||
position: sticky;
|
||
top: 0;
|
||
z-index: 1;
|
||
}
|
||
|
||
.data-table td {
|
||
padding: 10px 12px;
|
||
border-bottom: 1px solid var(--border-color);
|
||
color: var(--text-primary);
|
||
max-width: 300px;
|
||
overflow: hidden;
|
||
text-overflow: ellipsis;
|
||
white-space: nowrap;
|
||
}
|
||
|
||
.data-table td:hover {
|
||
white-space: normal;
|
||
word-break: break-all;
|
||
}
|
||
|
||
.data-table tr:hover {
|
||
background: var(--bg-hover);
|
||
}
|
||
|
||
.truncated-icon {
|
||
margin-left: 4px;
|
||
font-size: 10px;
|
||
}
|
||
|
||
.row-detail-btn {
|
||
padding: 4px 12px;
|
||
background: var(--primary);
|
||
color: white;
|
||
border: none;
|
||
border-radius: var(--radius-sm);
|
||
cursor: pointer;
|
||
font-size: 12px;
|
||
transition: var(--transition);
|
||
}
|
||
|
||
.row-detail-btn:hover {
|
||
background: var(--primary-dark);
|
||
}
|
||
`
|
||
];
|
||
|
||
constructor() {
|
||
super();
|
||
this.tableName = '';
|
||
this.schema = null;
|
||
this.tableData = null;
|
||
this.selectedColumns = [];
|
||
this.loading = false;
|
||
}
|
||
|
||
updated(changedProperties) {
|
||
// 当 tableName 或 schema 改变时，尝试加载保存的列选择
|
||
if ((changedProperties.has('tableName') || changedProperties.has('schema')) && this.tableName && this.schema) {
|
||
const saved = this.loadSelectedColumns();
|
||
if (saved && saved.length > 0) {
|
||
// 验证保存的列是否仍然存在于当前 schema 中
|
||
const validColumns = saved.filter(col =>
|
||
this.schema.fields.some(field => field.name === col)
|
||
);
|
||
if (validColumns.length > 0) {
|
||
this.selectedColumns = validColumns;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
toggleColumn(columnName) {
|
||
const index = this.selectedColumns.indexOf(columnName);
|
||
if (index > -1) {
|
||
this.selectedColumns = this.selectedColumns.filter(c => c !== columnName);
|
||
} else {
|
||
this.selectedColumns = [...this.selectedColumns, columnName];
|
||
}
|
||
|
||
// 持久化到 localStorage
|
||
this.saveSelectedColumns();
|
||
|
||
this.dispatchEvent(new CustomEvent('columns-changed', {
|
||
detail: { columns: this.selectedColumns },
|
||
bubbles: true,
|
||
composed: true
|
||
}));
|
||
}
|
||
|
||
saveSelectedColumns() {
|
||
if (!this.tableName) return;
|
||
const key = `srdb_columns_${this.tableName}`;
|
||
localStorage.setItem(key, JSON.stringify(this.selectedColumns));
|
||
}
|
||
|
||
loadSelectedColumns() {
|
||
if (!this.tableName) return null;
|
||
const key = `srdb_columns_${this.tableName}`;
|
||
const saved = localStorage.getItem(key);
|
||
return saved ? JSON.parse(saved) : null;
|
||
}
|
||
|
||
showRowDetail(seq) {
|
||
this.dispatchEvent(new CustomEvent('show-row-detail', {
|
||
detail: { tableName: this.tableName, seq },
|
||
bubbles: true,
|
||
composed: true
|
||
}));
|
||
}
|
||
|
||
formatCount(count) {
|
||
if (count >= 1000000) return (count / 1000000).toFixed(1) + 'M';
|
||
if (count >= 1000) return (count / 1000).toFixed(1) + 'K';
|
||
return count.toString();
|
||
}
|
||
|
||
formatTime(nanoTime) {
|
||
if (!nanoTime) return '';
|
||
// 将纳秒转换为毫秒
|
||
const date = new Date(nanoTime / 1000000);
|
||
// 格式化为 YYYY-MM-DD HH:mm:ss
|
||
const year = date.getFullYear();
|
||
const month = String(date.getMonth() + 1).padStart(2, '0');
|
||
const day = String(date.getDate()).padStart(2, '0');
|
||
const hours = String(date.getHours()).padStart(2, '0');
|
||
const minutes = String(date.getMinutes()).padStart(2, '0');
|
||
const seconds = String(date.getSeconds()).padStart(2, '0');
|
||
return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
|
||
}
|
||
|
||
getColumns() {
|
||
let columns = [];
|
||
|
||
if (this.selectedColumns.length > 0) {
|
||
columns = [...this.selectedColumns];
|
||
} else {
|
||
columns = this.schema?.fields?.map(f => f.name) || [];
|
||
}
|
||
|
||
// 确保系统字段的顺序：_seq 在开头，_time 在倒数第二
|
||
const filtered = columns.filter(c => c !== '_seq' && c !== '_time');
|
||
|
||
// _seq 放开头
|
||
const result = ['_seq', ...filtered];
|
||
|
||
// _time 放倒数第二（Actions 列之前）
|
||
result.push('_time');
|
||
|
||
return result;
|
||
}
|
||
|
||
render() {
|
||
if (this.loading || !this.schema || !this.tableData) {
|
||
return html`<div class="loading">Loading data...</div>`;
|
||
}
|
||
|
||
const columns = this.getColumns();
|
||
|
||
return html`
|
||
${this.renderSchemaSection()}
|
||
|
||
<h3>Data (${this.formatCount(this.tableData.totalRows)} rows)</h3>
|
||
|
||
${this.tableData.data.length === 0 ? html`
|
||
<div class="empty"><p>No data available</p></div>
|
||
` : html`
|
||
<div class="table-wrapper">
|
||
<table class="data-table">
|
||
<thead>
|
||
<tr>
|
||
${columns.map(col => html`<th>${col}</th>`)}
|
||
<th style="text-align: center;">Actions</th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
${this.tableData.data.map(row => html`
|
||
<tr>
|
||
${columns.map(col => html`
|
||
<td>
|
||
${col === '_time' ? this.formatTime(row[col]) : row[col]}
|
||
${row[col + '_truncated'] ? html`<span class="truncated-icon">✂️</span>` : ''}
|
||
</td>
|
||
`)}
|
||
<td style="text-align: center;">
|
||
<button
|
||
class="row-detail-btn"
|
||
@click=${() => this.showRowDetail(row._seq)}
|
||
>
|
||
Detail
|
||
</button>
|
||
</td>
|
||
</tr>
|
||
`)}
|
||
</tbody>
|
||
</table>
|
||
</div>
|
||
`}
|
||
`;
|
||
}
|
||
|
||
renderSchemaSection() {
|
||
if (!this.schema || !this.schema.fields) return '';
|
||
|
||
return html`
|
||
<div class="schema-section">
|
||
<h3>Schema <span style="font-size: 12px; font-weight: 400; color: var(--text-secondary);">(点击字段卡片选择要显示的列)</span></h3>
|
||
<div class="schema-grid">
|
||
${this.schema.fields.map(field => html`
|
||
<div
|
||
class="schema-field-card ${this.selectedColumns.includes(field.name) ? 'selected' : ''}"
|
||
@click=${() => this.toggleColumn(field.name)}
|
||
>
|
||
<div class="field-item">
|
||
<div class="field-item-row">
|
||
<srdb-field-icon
|
||
?indexed=${field.indexed}
|
||
class="field-index-icon"
|
||
title="${field.indexed ? 'Indexed field (fast)' : 'Not indexed (slow)'}"
|
||
></srdb-field-icon>
|
||
<span class="field-name">${field.name}</span>
|
||
<srdb-badge variant="primary" class="field-type">
|
||
${field.type}
|
||
</srdb-badge>
|
||
</div>
|
||
<div class="field-comment">${field.comment || ''}</div>
|
||
</div>
|
||
</div>
|
||
`)}
|
||
</div>
|
||
</div>
|
||
`;
|
||
}
|
||
}
|
||
|
||
customElements.define('srdb-data-view', DataView);
|