dekun
c6c6c3fe83
Default to EMA 21/55 with editable period inputs and localStorage persistence on the market chart. Co-authored-by: Cursor <cursoragent@cursor.com>
850 lines
30 KiB
JavaScript
850 lines
30 KiB
JavaScript
/* Copyright (c) 2025-2026 马建军. All rights reserved.
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* 专有软件 — 未经授权禁止复制、传播、转售。
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* 详见 LICENSE.zh-CN.txt
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*/
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(function () {
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var chartEl = document.getElementById('market-chart');
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var emptyEl = document.getElementById('market-chart-empty');
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var wrapEl = document.getElementById('market-chart-wrap');
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var chart = null;
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var candleSeries = null;
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var volumeSeries = null;
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var areaSeries = null;
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var ma21Series = null;
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var ma55Series = null;
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var prevCloseLine = null;
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var resizeObs = null;
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var currentPeriod = '15m';
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var currentChartMode = '';
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var klineSource = null;
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var streamActive = false;
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var reconnectTimer = null;
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var lastData = null;
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var lastRenderedPrepared = null;
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var lastPrevClose = null;
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var chartOpts = { prevClose: false, ma: false, gapDay: false };
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var followingLatest = true;
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var autoFollow = true;
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var DEFAULT_VISIBLE_BARS = 80;
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var EMA_STORAGE_KEY = 'qihuo-market-ema-periods';
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var DEFAULT_EMA = { fast: 21, slow: 55 };
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var PERIOD_SECONDS = {
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timeshare: 60,
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'1m': 60,
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'2m': 120,
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'5m': 300,
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'15m': 900,
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'1h': 3600,
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'2h': 7200,
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'4h': 14400,
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d: 86400,
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w: 604800,
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};
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function getSymbol() {
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var hidden = document.getElementById('market-symbol-hidden');
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var input = document.getElementById('market-symbol-input');
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if (hidden && hidden.value) return hidden.value.trim();
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if (input && input.value) return input.value.trim();
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return '';
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}
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function getMarketCodes() {
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return {
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symbol: getSymbol(),
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market_code: (document.getElementById('market-market-code') || {}).value || '',
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sina_code: (document.getElementById('market-sina-code') || {}).value || '',
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};
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}
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function themeColors() {
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var dark = document.documentElement.getAttribute('data-theme') !== 'light';
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return {
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bg: dark ? '#0a0c14' : '#ffffff',
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text: dark ? '#a8b0c8' : '#5c6578',
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grid: dark ? '#1e2640' : '#e8edf5',
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up: dark ? '#26a69a' : '#089981',
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down: dark ? '#ef5350' : '#f23645',
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line: dark ? '#4cc2ff' : '#2962ff',
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areaTop: dark ? 'rgba(76,194,255,0.28)' : 'rgba(41,98,255,0.22)',
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ma21: dark ? '#ffb347' : '#f7931a',
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ma55: dark ? '#c084fc' : '#7c3aed',
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prevClose: dark ? '#fbbf24' : '#b45309',
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};
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}
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function isTradingSession() {
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var d = new Date();
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var wd = d.getDay();
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if (wd === 0) return false;
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if (wd === 6 && d.getHours() < 21) return false;
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var t = d.getHours() * 60 + d.getMinutes();
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function inRange(sh, sm, eh, em) {
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return t >= sh * 60 + sm && t < eh * 60 + em;
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}
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if (inRange(9, 0, 11, 30)) return true;
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if (inRange(13, 30, 15, 0)) return true;
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if (inRange(21, 0, 24, 0)) return true;
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if (inRange(0, 0, 2, 30)) return true;
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return false;
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}
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function barUnixTime(bar) {
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if (bar.timestamp) return Math.floor(bar.timestamp / 1000);
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if (bar.time) {
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var d = new Date(String(bar.time).replace(' ', 'T'));
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if (!isNaN(d.getTime())) return Math.floor(d.getTime() / 1000);
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}
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return null;
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}
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function prepareBars(bars, periodKey) {
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var out = [];
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var gapDay = chartOpts.gapDay;
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var seen = {};
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var gapBase = null;
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var step = PERIOD_SECONDS[periodKey] || 60;
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for (var i = 0; i < bars.length; i++) {
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var b = bars[i];
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var o = Number(b.open);
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var h = Number(b.high);
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var l = Number(b.low);
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var c = Number(b.close);
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if (!isFinite(o) || !isFinite(c)) continue;
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if (!isFinite(h)) h = Math.max(o, c);
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if (!isFinite(l)) l = Math.min(o, c);
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h = Math.max(h, o, c);
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l = Math.min(l, o, c);
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var t;
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if (gapDay) {
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if (gapBase == null) {
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gapBase = b.timestamp ? Math.floor(b.timestamp / 1000) : 946684800;
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}
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t = gapBase + out.length * step;
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} else {
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t = barUnixTime(b);
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}
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if (t == null || seen[t]) continue;
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seen[t] = true;
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out.push({
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time: t,
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open: o,
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high: h,
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low: l,
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close: c,
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volume: Number(b.volume) || 0,
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rawTime: b.time,
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});
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}
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return out;
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}
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function clampEmaPeriod(v, fallback) {
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var n = parseInt(v, 10);
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if (isNaN(n)) return fallback;
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return Math.max(2, Math.min(500, n));
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}
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function loadEmaPeriodsFromStorage() {
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try {
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var raw = localStorage.getItem(EMA_STORAGE_KEY);
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if (raw) {
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var o = JSON.parse(raw);
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return {
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fast: clampEmaPeriod(o.fast, DEFAULT_EMA.fast),
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slow: clampEmaPeriod(o.slow, DEFAULT_EMA.slow),
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};
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}
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} catch (e) { /* ignore */ }
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return { fast: DEFAULT_EMA.fast, slow: DEFAULT_EMA.slow };
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}
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function saveEmaPeriods(fast, slow) {
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try {
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localStorage.setItem(EMA_STORAGE_KEY, JSON.stringify({ fast: fast, slow: slow }));
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} catch (e) { /* ignore */ }
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}
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function getEmaPeriods() {
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var fastEl = document.getElementById('chart-ema-fast');
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var slowEl = document.getElementById('chart-ema-slow');
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var fast = clampEmaPeriod(fastEl && fastEl.value, DEFAULT_EMA.fast);
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var slow = clampEmaPeriod(slowEl && slowEl.value, DEFAULT_EMA.slow);
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if (fastEl) fastEl.value = String(fast);
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if (slowEl) slowEl.value = String(slow);
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return { fast: fast, slow: slow };
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}
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function syncEmaInputsEnabled() {
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var fastEl = document.getElementById('chart-ema-fast');
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var slowEl = document.getElementById('chart-ema-slow');
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var on = !!chartOpts.ma;
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if (fastEl) fastEl.disabled = !on;
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if (slowEl) slowEl.disabled = !on;
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}
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function initEmaPeriodInputs() {
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var stored = loadEmaPeriodsFromStorage();
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var fastEl = document.getElementById('chart-ema-fast');
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var slowEl = document.getElementById('chart-ema-slow');
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if (fastEl) fastEl.value = String(stored.fast);
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if (slowEl) slowEl.value = String(stored.slow);
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syncEmaInputsEnabled();
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}
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function calcEMA(period, bars) {
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var result = [];
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if (!bars.length || period < 1) return result;
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var k = 2 / (period + 1);
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var ema = null;
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for (var i = 0; i < bars.length; i++) {
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var close = bars[i].close;
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if (ema == null) {
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if (i < period - 1) continue;
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var sum = 0;
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for (var j = i - period + 1; j <= i; j++) sum += bars[j].close;
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ema = sum / period;
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} else {
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ema = close * k + ema * (1 - k);
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}
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result.push({ time: bars[i].time, value: +ema.toFixed(4) });
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}
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return result;
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}
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function destroyChart() {
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if (resizeObs) {
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resizeObs.disconnect();
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resizeObs = null;
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}
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if (chart) {
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chart.remove();
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chart = null;
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}
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candleSeries = null;
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volumeSeries = null;
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areaSeries = null;
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ma21Series = null;
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ma55Series = null;
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prevCloseLine = null;
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currentChartMode = '';
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lastRenderedPrepared = null;
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}
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function buildChart(mode) {
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destroyChart();
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if (!chartEl || !window.LightweightCharts) return;
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var c = themeColors();
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var w = chartEl.clientWidth || 600;
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var h = chartEl.clientHeight || 400;
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chart = LightweightCharts.createChart(chartEl, {
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width: w,
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height: h,
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layout: {
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background: { type: 'solid', color: c.bg },
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textColor: c.text,
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fontSize: 11,
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},
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grid: {
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vertLines: { color: c.grid, style: 1 },
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horzLines: { color: c.grid, style: 1 },
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},
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crosshair: {
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mode: LightweightCharts.CrosshairMode.Normal,
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vertLine: { width: 1, color: c.text, style: 2, labelBackgroundColor: c.grid },
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horzLine: { width: 1, color: c.text, style: 2, labelBackgroundColor: c.grid },
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},
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rightPriceScale: {
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borderColor: c.grid,
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scaleMargins: mode === 'line' ? { top: 0.08, bottom: 0.08 } : { top: 0.05, bottom: 0.22 },
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},
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timeScale: {
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borderColor: c.grid,
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timeVisible: true,
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secondsVisible: false,
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rightOffset: 8,
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barSpacing: 10,
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minBarSpacing: 4,
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fixLeftEdge: false,
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fixRightEdge: false,
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},
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handleScroll: { mouseWheel: true, pressedMouseMove: true, horzTouchDrag: true, vertTouchDrag: true },
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handleScale: { axisPressedMouseMove: true, mouseWheel: true, pinch: true },
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localization: { locale: 'zh-CN' },
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});
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if (mode === 'line') {
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areaSeries = chart.addAreaSeries({
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lineColor: c.line,
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topColor: c.areaTop,
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bottomColor: 'rgba(0,0,0,0)',
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lineWidth: 2,
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priceLineVisible: false,
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lastValueVisible: true,
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});
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} else {
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candleSeries = chart.addCandlestickSeries({
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upColor: c.up,
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downColor: c.down,
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borderVisible: true,
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borderUpColor: c.up,
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borderDownColor: c.down,
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wickUpColor: c.up,
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wickDownColor: c.down,
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priceLineVisible: false,
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lastValueVisible: true,
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});
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volumeSeries = chart.addHistogramSeries({
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priceFormat: { type: 'volume' },
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priceScaleId: 'volume',
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lastValueVisible: false,
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priceLineVisible: false,
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});
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chart.priceScale('volume').applyOptions({
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scaleMargins: { top: 0.82, bottom: 0 },
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borderVisible: false,
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});
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if (chartOpts.ma) {
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ma21Series = chart.addLineSeries({
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color: c.ma21,
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lineWidth: 1,
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priceLineVisible: false,
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lastValueVisible: false,
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crosshairMarkerVisible: false,
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});
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ma55Series = chart.addLineSeries({
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color: c.ma55,
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lineWidth: 1,
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priceLineVisible: false,
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lastValueVisible: false,
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crosshairMarkerVisible: false,
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});
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}
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}
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chart.timeScale().subscribeVisibleLogicalRangeChange(function () {
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if (!chart) return;
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var range = chart.timeScale().getVisibleLogicalRange();
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if (!range || !lastData || !lastData.preparedBars) return;
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var total = lastData.preparedBars.length;
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followingLatest = range.to >= total - 2;
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});
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resizeObs = new ResizeObserver(function () {
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if (!chart || !chartEl) return;
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chart.applyOptions({ width: chartEl.clientWidth, height: chartEl.clientHeight });
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});
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resizeObs.observe(chartEl);
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currentChartMode = mode;
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}
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function applyPrevCloseLine(price) {
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if (!candleSeries || currentChartMode !== 'candle') return;
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if (prevCloseLine) {
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candleSeries.removePriceLine(prevCloseLine);
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prevCloseLine = null;
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}
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if (!chartOpts.prevClose || price == null || !isFinite(Number(price))) return;
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var c = themeColors();
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prevCloseLine = candleSeries.createPriceLine({
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price: Number(price),
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color: c.prevClose,
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lineWidth: 1,
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lineStyle: LightweightCharts.LineStyle.Dashed,
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axisLabelVisible: true,
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title: '昨收',
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});
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}
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function setVisibleRange(prepared, preserve) {
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if (!chart || !prepared.length) return;
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var ts = chart.timeScale();
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if (preserve && followingLatest) {
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var span = DEFAULT_VISIBLE_BARS;
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try {
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var cur = ts.getVisibleLogicalRange();
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if (cur) span = Math.max(20, cur.to - cur.from);
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} catch (e) { /* ignore */ }
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ts.setVisibleLogicalRange({
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from: Math.max(0, prepared.length - span),
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to: prepared.length + 4,
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});
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return;
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}
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if (preserve) return;
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var show = Math.min(DEFAULT_VISIBLE_BARS, prepared.length);
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ts.setVisibleLogicalRange({
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from: Math.max(0, prepared.length - show),
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to: prepared.length + 4,
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});
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}
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function shouldPreserveView() {
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return !autoFollow || !followingLatest;
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}
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function applyBarUpdate(bar, mode, prepared) {
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if (mode === 'line') {
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areaSeries.update({ time: bar.time, value: bar.close });
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return;
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}
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candleSeries.update({
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time: bar.time,
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open: bar.open,
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high: bar.high,
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low: bar.low,
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close: bar.close,
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});
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var up = bar.close >= bar.open;
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var c = themeColors();
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volumeSeries.update({
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time: bar.time,
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value: bar.volume,
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color: up ? c.up : c.down,
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});
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if (chartOpts.ma && ma21Series && ma55Series && prepared && prepared.length) {
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var emaP = getEmaPeriods();
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var emaFast = calcEMA(emaP.fast, prepared);
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var emaSlow = calcEMA(emaP.slow, prepared);
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if (emaFast.length) ma21Series.update(emaFast[emaFast.length - 1]);
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if (emaSlow.length) ma55Series.update(emaSlow[emaSlow.length - 1]);
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}
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}
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function tryIncrementalUpdate(prepared, mode) {
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if (!lastRenderedPrepared || !prepared.length) return false;
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var prev = lastRenderedPrepared;
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var prevLast = prev[prev.length - 1];
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var newLast = prepared[prepared.length - 1];
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if (prepared.length === prev.length && newLast.time === prevLast.time) {
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applyBarUpdate(newLast, mode, prepared);
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return true;
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}
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if (prepared.length === prev.length + 1 && prepared[prepared.length - 2].time === prevLast.time) {
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applyBarUpdate(newLast, mode, prepared);
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if (autoFollow && followingLatest) {
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setVisibleRange(prepared, true);
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}
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return true;
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}
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return false;
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}
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function renderChartFull(prepared, data, mode, preserveRange) {
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if (mode === 'line') {
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areaSeries.setData(prepared.map(function (b) {
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return { time: b.time, value: b.close };
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}));
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} else {
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candleSeries.setData(prepared.map(function (b) {
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return { time: b.time, open: b.open, high: b.high, low: b.low, close: b.close };
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}));
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volumeSeries.setData(prepared.map(function (b) {
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var up = b.close >= b.open;
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var c = themeColors();
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return {
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time: b.time,
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value: b.volume,
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color: up ? c.up : c.down,
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};
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}));
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if (chartOpts.ma && ma21Series && ma55Series) {
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var emaP = getEmaPeriods();
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ma21Series.setData(calcEMA(emaP.fast, prepared));
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ma55Series.setData(calcEMA(emaP.slow, prepared));
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}
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applyPrevCloseLine(lastPrevClose != null ? lastPrevClose : data.prev_close);
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}
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if (!shouldPreserveView()) {
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setVisibleRange(prepared, !!preserveRange);
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}
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}
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function renderChart(data, options) {
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options = options || {};
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if (!chartEl || !window.LightweightCharts) return;
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lastData = data;
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if (data.prev_close != null) lastPrevClose = data.prev_close;
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var isLine = data.chart_type === 'line' || data.period === 'timeshare';
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var mode = isLine ? 'line' : 'candle';
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if (!chart || currentChartMode !== mode) buildChart(mode);
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if (!chart) return;
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var prepared = prepareBars(data.bars || [], data.period || currentPeriod);
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data.preparedBars = prepared;
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if (!prepared.length) return;
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if (!options.forceFull && shouldPreserveView() && tryIncrementalUpdate(prepared, mode)) {
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lastRenderedPrepared = prepared;
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return;
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}
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renderChartFull(prepared, data, mode, options.preserveRange);
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lastRenderedPrepared = prepared;
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}
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function periodLabel(key) {
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var tabs = document.querySelectorAll('.period-tab');
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for (var i = 0; i < tabs.length; i++) {
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if (tabs[i].getAttribute('data-period') === key) return tabs[i].textContent;
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}
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return key;
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}
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function hideEmptyOverlay() {
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if (wrapEl) wrapEl.classList.add('has-data');
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}
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function showEmptyOverlay(text) {
|
|
if (emptyEl) emptyEl.textContent = text;
|
|
if (wrapEl) wrapEl.classList.remove('has-data');
|
|
}
|
|
|
|
function setLoading(on) {
|
|
var btn = document.getElementById('market-load-btn');
|
|
if (btn) {
|
|
btn.disabled = on;
|
|
btn.textContent = on ? '连接中…' : '查看';
|
|
}
|
|
if (!wrapEl) return;
|
|
if (on && !lastData) {
|
|
wrapEl.classList.add('loading');
|
|
showEmptyOverlay('请选择合约并点击「查看」');
|
|
} else {
|
|
wrapEl.classList.remove('loading');
|
|
if (lastData) hideEmptyOverlay();
|
|
}
|
|
}
|
|
|
|
function klineSourceLabel(src) {
|
|
if (src === 'local') return '本地缓存';
|
|
return '新浪';
|
|
}
|
|
|
|
function updateRefreshHint(disconnected) {
|
|
var el = document.getElementById('market-refresh-hint');
|
|
if (!el) return;
|
|
if (!getSymbol()) {
|
|
el.textContent = '';
|
|
return;
|
|
}
|
|
if (disconnected) {
|
|
el.textContent = 'SSE 连接中断，正在重连…';
|
|
return;
|
|
}
|
|
if (!streamActive) {
|
|
el.textContent = '';
|
|
return;
|
|
}
|
|
var src = '';
|
|
if (lastData && lastData.source) {
|
|
src = ' · ' + klineSourceLabel(lastData.source);
|
|
}
|
|
if (isTradingSession()) {
|
|
el.textContent = '新浪数据 · 交易中 SSE 推送' + src;
|
|
} else {
|
|
el.textContent = '新浪数据 · 非交易时段低频刷新' + src;
|
|
}
|
|
}
|
|
|
|
function updatePrevCloseDisplay(val) {
|
|
var prevEl = document.getElementById('market-quote-prev');
|
|
if (!prevEl) return;
|
|
if (val != null && !isNaN(Number(val))) {
|
|
prevEl.textContent = '昨收 ' + Number(val).toFixed(2);
|
|
} else {
|
|
prevEl.textContent = '';
|
|
}
|
|
}
|
|
|
|
function applyQuote(data) {
|
|
var priceEl = document.getElementById('market-quote-price');
|
|
var nameEl = document.getElementById('market-quote-name');
|
|
if (nameEl && data.name) nameEl.textContent = data.name + ' ' + (data.symbol || '');
|
|
if (priceEl) {
|
|
priceEl.textContent = data.price != null ? Number(data.price).toFixed(2) : '—';
|
|
}
|
|
if (data.quote_source && lastData) {
|
|
updateQuoteMeta(Object.assign({}, lastData, { quote_source: data.quote_source }));
|
|
}
|
|
if (data.prev_close != null) {
|
|
lastPrevClose = data.prev_close;
|
|
updatePrevCloseDisplay(data.prev_close);
|
|
if (chartOpts.prevClose && lastData) {
|
|
applyPrevCloseLine(data.prev_close);
|
|
}
|
|
}
|
|
}
|
|
|
|
function stopKlineStream() {
|
|
streamActive = false;
|
|
if (reconnectTimer) {
|
|
clearTimeout(reconnectTimer);
|
|
reconnectTimer = null;
|
|
}
|
|
if (klineSource) {
|
|
klineSource.close();
|
|
klineSource = null;
|
|
}
|
|
}
|
|
|
|
function scheduleReconnect() {
|
|
if (reconnectTimer) return;
|
|
updateRefreshHint(true);
|
|
reconnectTimer = setTimeout(function () {
|
|
reconnectTimer = null;
|
|
if (getSymbol()) startKlineStream(false);
|
|
}, 3000);
|
|
}
|
|
|
|
function startKlineStream(showLoading) {
|
|
stopKlineStream();
|
|
var symbol = getSymbol();
|
|
if (!symbol) {
|
|
alert('请先选择或输入合约代码');
|
|
return;
|
|
}
|
|
if (showLoading) setLoading(true);
|
|
|
|
var codes = getMarketCodes();
|
|
var q = 'symbol=' + encodeURIComponent(symbol) +
|
|
'&period=' + encodeURIComponent(currentPeriod);
|
|
if (codes.market_code) q += '&market_code=' + encodeURIComponent(codes.market_code);
|
|
if (codes.sina_code) q += '&sina_code=' + encodeURIComponent(codes.sina_code);
|
|
|
|
klineSource = new EventSource('/api/kline/stream?' + q);
|
|
streamActive = true;
|
|
followingLatest = true;
|
|
updateRefreshHint(false);
|
|
|
|
klineSource.addEventListener('kline', function (e) {
|
|
try {
|
|
var data = JSON.parse(e.data);
|
|
if (!data.bars || !data.bars.length) return;
|
|
hideEmptyOverlay();
|
|
renderChart(data, { preserveRange: lastData !== null });
|
|
updateQuoteMeta(data);
|
|
if (data.prev_close != null) updatePrevCloseDisplay(data.prev_close);
|
|
updateRefreshHint(false);
|
|
setLoading(false);
|
|
} catch (err) { /* ignore */ }
|
|
});
|
|
|
|
klineSource.addEventListener('quote', function (e) {
|
|
try {
|
|
applyQuote(JSON.parse(e.data));
|
|
} catch (err) { /* ignore */ }
|
|
});
|
|
|
|
klineSource.onerror = function () {
|
|
stopKlineStream();
|
|
scheduleReconnect();
|
|
};
|
|
}
|
|
|
|
function updateQuoteMeta(data) {
|
|
var meta = document.getElementById('market-quote-meta');
|
|
if (meta) {
|
|
var parts = [];
|
|
if (data.count) parts.push('共 ' + data.count + ' 根 · ' + periodLabel(data.period));
|
|
if (data.source) parts.push('K线 ' + klineSourceLabel(data.source));
|
|
if (data.quote_source) {
|
|
parts.push('报价 新浪');
|
|
}
|
|
meta.textContent = parts.join(' · ');
|
|
}
|
|
var nameEl = document.getElementById('market-quote-name');
|
|
var hiddenName = document.getElementById('market-symbol-name');
|
|
if (nameEl && !(nameEl.textContent && nameEl.textContent.trim())) {
|
|
nameEl.textContent = (hiddenName && hiddenName.value) || data.symbol || '—';
|
|
}
|
|
}
|
|
|
|
function loadKline(showLoading) {
|
|
startKlineStream(showLoading);
|
|
}
|
|
|
|
function shiftDataZoom(delta) {
|
|
if (!chart) return;
|
|
var ts = chart.timeScale();
|
|
var range = ts.getVisibleLogicalRange();
|
|
if (!range) return;
|
|
var span = range.to - range.from;
|
|
var newSpan = Math.max(15, span + delta);
|
|
var center = (range.from + range.to) / 2;
|
|
ts.setVisibleLogicalRange({
|
|
from: center - newSpan / 2,
|
|
to: center + newSpan / 2,
|
|
});
|
|
}
|
|
|
|
function resetDataZoom() {
|
|
if (!chart || !lastData || !lastData.preparedBars) return;
|
|
followingLatest = true;
|
|
setVisibleRange(lastData.preparedBars, false);
|
|
}
|
|
|
|
function bindPeriodTabs() {
|
|
var tabs = document.getElementById('market-period-tabs');
|
|
if (!tabs) return;
|
|
tabs.addEventListener('click', function (e) {
|
|
var btn = e.target.closest('.period-tab');
|
|
if (!btn) return;
|
|
tabs.querySelectorAll('.period-tab').forEach(function (el) { el.classList.remove('active'); });
|
|
btn.classList.add('active');
|
|
currentPeriod = btn.getAttribute('data-period') || '15m';
|
|
followingLatest = true;
|
|
if (getSymbol()) loadKline(true);
|
|
});
|
|
}
|
|
|
|
function bindZoomButtons() {
|
|
var zoomIn = document.getElementById('chart-zoom-in');
|
|
var zoomOut = document.getElementById('chart-zoom-out');
|
|
var zoomReset = document.getElementById('chart-zoom-reset');
|
|
if (zoomIn) zoomIn.addEventListener('click', function () { shiftDataZoom(-20); });
|
|
if (zoomOut) zoomOut.addEventListener('click', function () { shiftDataZoom(20); });
|
|
if (zoomReset) zoomReset.addEventListener('click', resetDataZoom);
|
|
}
|
|
|
|
function bindAutoButton() {
|
|
var btn = document.getElementById('market-auto-btn');
|
|
if (!btn) return;
|
|
btn.addEventListener('click', function () {
|
|
autoFollow = !autoFollow;
|
|
btn.classList.toggle('is-active', autoFollow);
|
|
if (autoFollow) {
|
|
followingLatest = true;
|
|
if (lastData && lastData.preparedBars) {
|
|
setVisibleRange(lastData.preparedBars, false);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
function bindChartOptions() {
|
|
var prevCb = document.getElementById('chart-opt-prev-close');
|
|
var maCb = document.getElementById('chart-opt-ma');
|
|
var gapCb = document.getElementById('chart-opt-gap-day');
|
|
var emaFastEl = document.getElementById('chart-ema-fast');
|
|
var emaSlowEl = document.getElementById('chart-ema-slow');
|
|
|
|
function onEmaPeriodChange() {
|
|
var emaP = getEmaPeriods();
|
|
saveEmaPeriods(emaP.fast, emaP.slow);
|
|
if (chartOpts.ma && lastData) {
|
|
renderChart(lastData, { forceFull: true });
|
|
}
|
|
}
|
|
|
|
if (prevCb) {
|
|
prevCb.addEventListener('change', function () {
|
|
chartOpts.prevClose = prevCb.checked;
|
|
if (lastData) {
|
|
applyPrevCloseLine(lastPrevClose != null ? lastPrevClose : lastData.prev_close);
|
|
}
|
|
});
|
|
}
|
|
if (maCb) {
|
|
maCb.addEventListener('change', function () {
|
|
chartOpts.ma = maCb.checked;
|
|
syncEmaInputsEnabled();
|
|
if (lastData) {
|
|
destroyChart();
|
|
renderChart(lastData, { forceFull: true });
|
|
}
|
|
});
|
|
}
|
|
if (emaFastEl) {
|
|
emaFastEl.addEventListener('change', onEmaPeriodChange);
|
|
emaFastEl.addEventListener('keydown', function (ev) {
|
|
if (ev.key === 'Enter') {
|
|
ev.preventDefault();
|
|
emaFastEl.blur();
|
|
onEmaPeriodChange();
|
|
}
|
|
});
|
|
}
|
|
if (emaSlowEl) {
|
|
emaSlowEl.addEventListener('change', onEmaPeriodChange);
|
|
emaSlowEl.addEventListener('keydown', function (ev) {
|
|
if (ev.key === 'Enter') {
|
|
ev.preventDefault();
|
|
emaSlowEl.blur();
|
|
onEmaPeriodChange();
|
|
}
|
|
});
|
|
}
|
|
if (gapCb) {
|
|
gapCb.addEventListener('change', function () {
|
|
chartOpts.gapDay = gapCb.checked;
|
|
followingLatest = true;
|
|
if (lastData) renderChart(lastData, { forceFull: true });
|
|
});
|
|
}
|
|
}
|
|
|
|
function cleanupMarketPage() {
|
|
stopKlineStream();
|
|
destroyChart();
|
|
}
|
|
|
|
function bootMarketPage() {
|
|
if (!window.LightweightCharts) {
|
|
if (emptyEl) emptyEl.textContent = '图表库加载失败，请刷新页面';
|
|
return;
|
|
}
|
|
bindPeriodTabs();
|
|
bindZoomButtons();
|
|
bindAutoButton();
|
|
initEmaPeriodInputs();
|
|
bindChartOptions();
|
|
|
|
var active = document.querySelector('.period-tab.active');
|
|
if (active) currentPeriod = active.getAttribute('data-period') || '15m';
|
|
|
|
var loadBtn = document.getElementById('market-load-btn');
|
|
if (loadBtn) loadBtn.addEventListener('click', function () { loadKline(true); });
|
|
|
|
var hidden = document.getElementById('market-symbol-hidden');
|
|
var input = document.getElementById('market-symbol-input');
|
|
if (input) {
|
|
input.addEventListener('symbol-selected', function () {
|
|
lastPrevClose = null;
|
|
lastData = null;
|
|
lastRenderedPrepared = null;
|
|
destroyChart();
|
|
updatePrevCloseDisplay(null);
|
|
loadKline(true);
|
|
});
|
|
}
|
|
if (hidden && hidden.value) {
|
|
if (input && !input.value) input.value = hidden.value;
|
|
loadKline(true);
|
|
} else {
|
|
updateRefreshHint(false);
|
|
}
|
|
}
|
|
|
|
if (!window.__QIHUO_MARKET_THEME__) {
|
|
window.__QIHUO_MARKET_THEME__ = true;
|
|
document.addEventListener('click', function (e) {
|
|
if (e.target.closest('[data-theme-pick]') && lastData) {
|
|
setTimeout(function () {
|
|
destroyChart();
|
|
renderChart(lastData, { forceFull: true });
|
|
}, 80);
|
|
}
|
|
});
|
|
}
|
|
|
|
if (window.qihuoPageBoot) window.qihuoPageBoot(bootMarketPage, '#market-chart-wrap');
|
|
else if (window.qihuoOnPageLoad) window.qihuoOnPageLoad(bootMarketPage);
|
|
else document.addEventListener('DOMContentLoaded', bootMarketPage);
|
|
if (window.qihuoOnPageLeave) window.qihuoOnPageLeave(cleanupMarketPage);
|
|
window.addEventListener('pagehide', cleanupMarketPage);
|
|
})();
|