jackyu66gitandCursor
340676bfbd
LWC 折线无法画真竖线；增量刷新时用坐标采样补刷竖边，避免与横边脱节。 Co-authored-by: Cursor <cursoragent@cursor.com>
295 lines
12 KiB
JavaScript
295 lines
12 KiB
JavaScript
/* chart_view.js — split from chart.js */
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/** 用尾部 N 根合并进已有 K 线（同 timestamp 覆盖，更新则追加） */
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function mergeKlineTail(existing, incoming) {
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if (!Array.isArray(incoming) || !incoming.length) {
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return Array.isArray(existing) ? existing : [];
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}
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if (!Array.isArray(existing) || !existing.length) {
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return incoming.slice();
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}
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const out = existing.slice();
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const barTs = (row) => {
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if (row && row.timestamp != null && row.timestamp !== '') {
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const n = Number(row.timestamp);
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if (!Number.isNaN(n)) return n;
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}
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const t = row && row.date != null ? new Date(row.date).getTime() : NaN;
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return Number.isNaN(t) ? null : t;
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};
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for (let i = 0; i < incoming.length; i++) {
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const row = incoming[i];
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const ts = barTs(row);
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if (ts == null) continue;
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let idx = -1;
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const scanFrom = Math.max(0, out.length - 8);
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for (let j = out.length - 1; j >= scanFrom; j--) {
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if (barTs(out[j]) === ts) {
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idx = j;
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break;
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}
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}
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if (idx >= 0) {
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out[idx] = Object.assign({}, out[idx], row);
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} else {
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const lastTs = barTs(out[out.length - 1]);
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if (lastTs == null || ts > lastTs) {
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out.push(row);
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}
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}
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}
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return out;
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}
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function updateChart(options) {
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options = options || {};
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// 只显示旋转加载图标
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$('#refreshLoadingSpinner').show();
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// 获取参数
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const dataSource = $('#dataSource').val() || 'crypto';
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let symbol;
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if (dataSource === 'crypto') {
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symbol = $('#symbol').val() || 'BTC/USDT:USDT';
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} else {
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symbol = $('#astockSymbol').val() || '000001';
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}
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const timeframe = $('#timeframe').val() || window.DEFAULT_MAIN_TIMEFRAME || '4h';
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const timezone = $('#timezone').val() || 'Asia/Shanghai';
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const elementTimeframe = $('#elementTimeframe').val() || window.DEFAULT_ELEMENT_TIMEFRAME || '1m';
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const subSubTimeframe = $('#subSubTimeframe').val() || '';
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// 确保时区参数有效
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console.log('更新图表使用时区:', timezone, 'reason:', options.reason || (options.fromAutoRefresh ? 'auto' : 'manual'));
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console.log('数据源:', dataSource, '交易对/股票:', symbol);
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// 如果symbol为空，不发送请求
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if (!symbol) {
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console.error('交易对/股票代码不能为空');
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$('#refreshLoadingSpinner').hide();
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return;
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}
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console.log(`更新图表: symbol=${symbol}, timeframe=${timeframe}, elementTimeframe=${elementTimeframe}, timezone=${timezone}`);
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// 获取开始和结束时间（如果已设置）
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let startTimeMs = null;
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let endTimeMs = null;
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if ($('#start_time').val()) {
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startTimeMs = new Date($('#start_time').val()).getTime();
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}
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if ($('#end_time').val()) {
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endTimeMs = new Date($('#end_time').val()).getTime();
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}
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// 自动刷新：取消进行中的上一请求，避免响应堆积
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if (options.fromAutoRefresh && window._analyzeXhr && window._analyzeXhr.readyState !== 4) {
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try { window._analyzeXhr.abort(); } catch (e) {}
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}
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// 请求发出前冻结视窗（与自动刷新同一套；避免等响应时/setData 后 logical 索引漂移）
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try {
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if (tvWidget && tvWidget.mainChart) {
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window._preserveViewOnRefresh = captureChartViewState(tvWidget.mainChart);
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const prev = currentData && (
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($('#subSubPeriodKline').is(':checked') && currentData.sub_sub_kline_data) ||
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($('#elementPeriodKline').is(':checked') && currentData.element_kline_data) ||
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currentData.kline_data
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);
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window._preserveViewBarCount = Array.isArray(prev) ? prev.length : 0;
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console.log('📌 刷新前冻结视窗 bars=', window._preserveViewBarCount, window._preserveViewOnRefresh);
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}
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} catch (e) {
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window._preserveViewOnRefresh = null;
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window._preserveViewBarCount = 0;
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}
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const requestId = ++lastRequestId;
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const chartsReady = !!(tvWidget && tvWidget.state && tvWidget.state.isInitialized && tvWidget.mainChart);
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const hasBaseline = !!(currentData && Array.isArray(currentData.kline_data) && currentData.kline_data.length);
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const baselineSymbol = (currentData && currentData.symbol) || window._lastChartSymbol || '';
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// 自动刷新常态：只拉最近 2 根；换币对后基线不一致则禁止尾部合并（否则会叠旧缠论）
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// fullAnalyze（约每 1 分钟）走全量 analyze 更新缠论
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const useRecentTail = !!(
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options.fromAutoRefresh &&
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!options.fullAnalyze &&
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chartsReady &&
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hasBaseline &&
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baselineSymbol &&
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baselineSymbol === symbol
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);
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if (useRecentTail) {
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console.log('自动刷新 → /api/klines/recent limit=2');
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window._analyzeXhr = $.ajax({
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url: '/api/klines/recent',
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data: {
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symbol: symbol,
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timeframe: timeframe,
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limit: 2,
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element_timeframe: elementTimeframe || undefined,
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sub_sub_timeframe: subSubTimeframe || undefined
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},
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success: function(partial) {
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$('#refreshLoadingSpinner').hide();
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if (requestId !== lastRequestId) return;
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if (!partial || !Array.isArray(partial.kline_data)) {
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console.warn('recent 响应无效，回退全量 analyze');
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updateChart({ incremental: true, reason: 'recent-fallback' });
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return;
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}
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currentData.kline_data = mergeKlineTail(currentData.kline_data, partial.kline_data);
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if (Array.isArray(partial.element_kline_data)) {
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currentData.element_kline_data = mergeKlineTail(
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currentData.element_kline_data, partial.element_kline_data
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);
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if (partial.element_timeframe) {
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currentData.element_timeframe = partial.element_timeframe;
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}
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}
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if (Array.isArray(partial.sub_sub_kline_data)) {
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currentData.sub_sub_kline_data = mergeKlineTail(
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currentData.sub_sub_kline_data, partial.sub_sub_kline_data
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);
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if (partial.sub_sub_timeframe) {
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currentData.sub_sub_timeframe = partial.sub_sub_timeframe;
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}
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}
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refreshChart(currentData, { incremental: true, skipTables: true });
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},
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error: function(jqXHR, textStatus, errorThrown) {
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$('#refreshLoadingSpinner').hide();
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if (textStatus === 'abort') return;
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console.warn('recent 失败，回退全量 analyze:', errorThrown);
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updateChart({ incremental: true, reason: 'recent-error-fallback' });
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}
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});
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return;
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}
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// 手动 / 首拉：全量 analyze
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window._analyzeXhr = $.ajax({
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url: '/api/analyze',
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data: {
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symbol: symbol,
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timeframe: timeframe,
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timezone: timezone,
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element_timeframe: elementTimeframe,
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sub_sub_timeframe: subSubTimeframe || undefined,
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start_time: startTimeMs,
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end_time: endTimeMs,
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elements_only: false,
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zone_kl_lines: parseInt($('#zoneKlLines').val()) || 1000,
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include_structure_zones: $('#showMainStructureZone').is(':checked') ? 1 : 0
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// 威科夫随主分析一并返回；开关仅控制绘制，不再传 include_wyckoff
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},
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success: function(data) {
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// 隐藏加载图标
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$('#refreshLoadingSpinner').hide();
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// 忽略过期响应
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if (requestId !== lastRequestId) {
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return;
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}
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// 保存当前数据
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const prevSymbol = (currentData && currentData.symbol) || window._lastChartSymbol || '';
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if (currentData) {
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// 覆盖前断开旧引用，帮助GC尽快回收
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delete currentData.original_kline_data;
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delete currentData.original_macd;
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}
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currentData = data;
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window._lastChartSymbol = symbol;
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window._lastFullAnalyzeAt = Date.now();
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if (typeof renderWyckoffCycleSummary === 'function') {
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renderWyckoffCycleSummary();
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}
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// 有图则增量；笔/段/中枢/结构区只在全量 init 绘制
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// 换币对 / 手动分析 / 结构区：必须全量重建，否则会残留旧币对叠层
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const ready = !!(tvWidget && tvWidget.state && tvWidget.state.isInitialized && tvWidget.mainChart);
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const structureZonesOn = $('#showMainStructureZone').is(':checked');
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const symbolChanged = !!(prevSymbol && prevSymbol !== symbol);
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let wantIncremental = options.incremental !== undefined
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? !!options.incremental
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: (ready || !!options.fromAutoRefresh);
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if (structureZonesOn || options.fullAnalyze || symbolChanged || options.incremental === false) {
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wantIncremental = false;
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}
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refreshChart(data, { incremental: wantIncremental });
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},
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error: function(jqXHR, textStatus, errorThrown) {
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// 隐藏加载图标
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$('#refreshLoadingSpinner').hide();
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if (textStatus === 'abort') {
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return;
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}
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// 显示错误信息
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console.error('加载数据失败:', errorThrown);
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// 自动刷新失败不弹窗打扰
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if (!options.fromAutoRefresh) {
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alert('加载数据失败: ' + (jqXHR.responseJSON?.error || errorThrown));
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}
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}
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});
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}
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function captureChartViewState(chart) {
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if (!chart || !chart.timeScale) return null;
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const ts = chart.timeScale();
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const tsOptions = ts.options ? ts.options() : {};
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return {
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barSpacing: tsOptions.barSpacing,
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rightOffset: tsOptions.rightOffset,
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scrollPosition: ts.scrollPosition ? ts.scrollPosition() : null,
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visibleRange: ts.getVisibleRange ? ts.getVisibleRange() : null,
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logicalRange: ts.getVisibleLogicalRange ? ts.getVisibleLogicalRange() : null
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};
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}
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function restoreChartViewState(charts, viewState) {
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// 全量重建备用：先缩放，再位置；不要在位置前写 rightOffset（会右边缘锚定）
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if (!viewState || !Array.isArray(charts) || charts.length === 0) return;
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const validCharts = charts.filter(c => c && c.timeScale);
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if (validCharts.length === 0) return;
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validCharts.forEach(c => {
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try {
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if (typeof viewState.barSpacing === 'number') {
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c.timeScale().applyOptions({ barSpacing: viewState.barSpacing });
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}
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} catch (e) {}
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});
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let restored = false;
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if (viewState.logicalRange && viewState.logicalRange.from !== undefined && viewState.logicalRange.to !== undefined) {
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validCharts.forEach(c => {
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try {
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c.timeScale().setVisibleLogicalRange(viewState.logicalRange);
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restored = true;
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} catch (e) {}
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});
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}
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if (!restored && viewState.visibleRange && viewState.visibleRange.from !== undefined && viewState.visibleRange.to !== undefined) {
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validCharts.forEach(c => {
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try {
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c.timeScale().setVisibleRange(viewState.visibleRange);
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restored = true;
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} catch (e) {}
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});
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}
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if (!restored && typeof viewState.scrollPosition === 'number') {
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validCharts.forEach(c => {
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try { c.timeScale().scrollToPosition(viewState.scrollPosition, false); } catch (e) {}
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});
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}
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}
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// 初始化图表
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