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/**
* Professional Trading Terminal v2
* Fully functional with real feedback, animations, and working tabs
*/
class TradingProV2 {
constructor() {
this.symbol = 'BTCUSDT';
this.timeframe = '4h';
this.chart = null;
this.candlestickSeries = null;
this.volumeSeries = null;
this.indicators = {
rsi: { enabled: true, series: null },
macd: { enabled: true, series: null },
bb: { enabled: false, upper: null, lower: null, middle: null },
ema: { enabled: true, ema20: null, ema50: null, ema200: null },
volume: { enabled: true, series: null }
};
this.patterns = {
hs: true,
double: true,
triangle: true
};
this.drawings = [];
this.currentTool = null;
this.data = [];
this.updateInterval = null;
this.currentTab = 'strategies';
}
async init() {
try {
console.log('[TradingProV2] Initializing...');
this.initChart();
this.bindEvents();
this.loadStrategiesTab();
await this.loadData();
// Auto-refresh every 30 seconds
this.updateInterval = setInterval(() => this.loadData(true), 30000);
this.showToast('Trading Terminal Ready!', 'Welcome to Professional Trading Terminal', 'success');
console.log('[TradingProV2] Ready!');
} catch (error) {
console.error('[TradingProV2] Init error:', error);
this.showToast('Initialization Error', error.message, 'error');
}
}
initChart() {
const container = document.getElementById('tradingChart');
if (!container) {
throw new Error('Chart container not found');
}
this.chart = LightweightCharts.createChart(container, {
layout: {
background: { color: '#0f1429' },
textColor: '#d1d4dc',
},
grid: {
vertLines: { color: 'rgba(255, 255, 255, 0.05)' },
horzLines: { color: 'rgba(255, 255, 255, 0.05)' },
},
crosshair: {
mode: LightweightCharts.CrosshairMode.Normal,
vertLine: {
color: '#2dd4bf',
width: 1,
style: LightweightCharts.LineStyle.Dashed,
},
horzLine: {
color: '#2dd4bf',
width: 1,
style: LightweightCharts.LineStyle.Dashed,
},
},
rightPriceScale: {
borderColor: 'rgba(255, 255, 255, 0.1)',
},
timeScale: {
borderColor: 'rgba(255, 255, 255, 0.1)',
timeVisible: true,
secondsVisible: false,
},
watermark: {
visible: true,
fontSize: 48,
horzAlign: 'center',
vertAlign: 'center',
color: 'rgba(255, 255, 255, 0.03)',
text: 'CRYPTO PRO v2',
},
});
this.candlestickSeries = this.chart.addCandlestickSeries({
upColor: '#22c55e',
downColor: '#ef4444',
borderUpColor: '#22c55e',
borderDownColor: '#ef4444',
wickUpColor: '#22c55e',
wickDownColor: '#ef4444',
});
// Responsive
const resizeObserver = new ResizeObserver(entries => {
if (entries.length === 0 || !entries[0].target) return;
const { width, height } = entries[0].contentRect;
this.chart.applyOptions({ width, height });
});
resizeObserver.observe(container);
console.log('[TradingProV2] Chart initialized');
}
bindEvents() {
// Symbol input
const symbolInput = document.getElementById('symbolInput');
if (symbolInput) {
symbolInput.addEventListener('change', (e) => {
this.symbol = e.target.value.toUpperCase();
this.showToast('Symbol Changed', `Loading ${this.symbol} data...`, 'info');
this.loadData();
});
}
// Timeframe buttons
document.querySelectorAll('.timeframe-btn').forEach(btn => {
btn.addEventListener('click', (e) => {
document.querySelectorAll('.timeframe-btn').forEach(b => b.classList.remove('active'));
e.target.classList.add('active');
this.timeframe = e.target.dataset.timeframe;
this.showToast('Timeframe Changed', `Switched to ${this.timeframe}`, 'info');
this.loadData();
});
});
// Drawing tools
document.querySelectorAll('.tool-btn').forEach(btn => {
btn.addEventListener('click', (e) => {
document.querySelectorAll('.tool-btn').forEach(b => b.classList.remove('active'));
e.currentTarget.classList.add('active');
this.currentTool = e.currentTarget.dataset.tool;
this.activateDrawingTool(this.currentTool);
});
});
// Indicator toggles
document.querySelectorAll('.toggle-switch[data-indicator]').forEach(toggle => {
toggle.addEventListener('click', (e) => {
const indicator = e.currentTarget.dataset.indicator;
const isOn = toggle.classList.toggle('on');
this.indicators[indicator].enabled = isOn;
this.showToast(
isOn ? 'Indicator Enabled' : 'Indicator Disabled',
`${indicator.toUpperCase()} ${isOn ? 'activated' : 'deactivated'}`,
'info'
);
this.updateIndicators();
});
});
// Pattern toggles
document.querySelectorAll('.toggle-switch[data-pattern]').forEach(toggle => {
toggle.addEventListener('click', (e) => {
const pattern = e.currentTarget.dataset.pattern;
const isOn = toggle.classList.toggle('on');
this.patterns[pattern] = isOn;
this.showToast(
isOn ? 'Pattern Detection Enabled' : 'Pattern Detection Disabled',
`${pattern.toUpperCase()} pattern detection ${isOn ? 'on' : 'off'}`,
'info'
);
this.detectPatterns();
});
});
// Chart tool buttons
document.getElementById('btnZoomIn')?.addEventListener('click', () => this.zoomIn());
document.getElementById('btnZoomOut')?.addEventListener('click', () => this.zoomOut());
document.getElementById('btnScreenshot')?.addEventListener('click', () => this.takeScreenshot());
// Strategy tabs
document.querySelectorAll('.strategy-tab').forEach(tab => {
tab.addEventListener('click', (e) => {
document.querySelectorAll('.strategy-tab').forEach(t => t.classList.remove('active'));
e.currentTarget.classList.add('active');
const tabType = e.currentTarget.dataset.tab;
this.currentTab = tabType;
this.loadStrategyTab(tabType);
});
});
}
async loadData(silent = false) {
if (!silent) {
document.getElementById('loadingOverlay')?.classList.remove('hidden');
}
try {
const intervalMap = {
'1m': '1m', '5m': '5m', '15m': '15m',
'1h': '1h', '4h': '4h',
'1d': '1d', '1w': '1w'
};
const interval = intervalMap[this.timeframe] || '4h';
// Try Binance directly
const response = await fetch(
`https://api.binance.com/api/v3/klines?symbol=${this.symbol}&interval=${interval}&limit=500`,
{ signal: AbortSignal.timeout(10000) }
);
if (response.ok) {
const binanceData = await response.json();
this.data = this.parseBinanceData(binanceData);
if (this.data.length > 0) {
this.updateChart();
this.calculateIndicators();
this.detectPatterns();
this.updatePriceDisplay();
this.updateAnalysis();
this.updateTimestamp();
if (!silent) {
this.showToast('Data Loaded', `Loaded ${this.data.length} candles`, 'success');
}
}
} else {
throw new Error('Failed to load market data');
}
} catch (error) {
console.error('[TradingProV2] Load data error:', error);
this.showToast('Data Load Error', error.message, 'error');
} finally {
if (!silent) {
document.getElementById('loadingOverlay')?.classList.add('hidden');
}
}
}
parseBinanceData(data) {
return data.map(candle => ({
time: Math.floor(candle[0] / 1000),
open: parseFloat(candle[1]),
high: parseFloat(candle[2]),
low: parseFloat(candle[3]),
close: parseFloat(candle[4]),
volume: parseFloat(candle[5])
}));
}
updateChart() {
if (!this.candlestickSeries || this.data.length === 0) return;
this.candlestickSeries.setData(this.data);
this.chart.timeScale().fitContent();
}
calculateIndicators() {
if (this.data.length === 0) return;
if (this.indicators.rsi.enabled) this.calculateRSI();
if (this.indicators.macd.enabled) this.calculateMACD();
if (this.indicators.ema.enabled) this.calculateEMAs();
if (this.indicators.volume.enabled) this.calculateVolume();
}
calculateRSI(period = 14) {
const closes = this.data.map(d => d.close);
const rsi = [];
let gains = 0;
let losses = 0;
for (let i = 1; i <= period; i++) {
const change = closes[i] - closes[i - 1];
if (change > 0) gains += change;
else losses += Math.abs(change);
}
let avgGain = gains / period;
let avgLoss = losses / period;
let rs = avgGain / (avgLoss || 1);
rsi.push({ time: this.data[period].time, value: 100 - (100 / (1 + rs)) });
for (let i = period + 1; i < closes.length; i++) {
const change = closes[i] - closes[i - 1];
const gain = change > 0 ? change : 0;
const loss = change < 0 ? Math.abs(change) : 0;
avgGain = (avgGain * (period - 1) + gain) / period;
avgLoss = (avgLoss * (period - 1) + loss) / period;
rs = avgGain / (avgLoss || 1);
rsi.push({
time: this.data[i].time,
value: 100 - (100 / (1 + rs))
});
}
const latestRSI = rsi[rsi.length - 1]?.value || 50;
const rsiEl = document.getElementById('rsiValue');
if (rsiEl) {
rsiEl.textContent = latestRSI.toFixed(1);
rsiEl.className = 'metric-value';
if (latestRSI > 70) rsiEl.classList.add('bearish');
else if (latestRSI < 30) rsiEl.classList.add('bullish');
else rsiEl.classList.add('neutral');
}
return rsi;
}
calculateMACD() {
const closes = this.data.map(d => d.close);
const ema12 = this.calculateEMA(closes, 12);
const ema26 = this.calculateEMA(closes, 26);
const macdLine = ema12.map((val, i) => val - ema26[i]);
const signalLine = this.calculateEMA(macdLine, 9);
const histogram = macdLine.map((val, i) => val - signalLine[i]);
const latestHistogram = histogram[histogram.length - 1];
const macdEl = document.getElementById('macdValue');
if (macdEl) {
if (latestHistogram > 0) {
macdEl.textContent = 'Bullish';
macdEl.className = 'metric-value bullish';
} else {
macdEl.textContent = 'Bearish';
macdEl.className = 'metric-value bearish';
}
}
return { macdLine, signalLine, histogram };
}
calculateEMA(values, period) {
const k = 2 / (period + 1);
const ema = [values[0]];
for (let i = 1; i < values.length; i++) {
ema.push(values[i] * k + ema[i - 1] * (1 - k));
}
return ema;
}
calculateEMAs() {
const closes = this.data.map(d => d.close);
const ema20 = this.calculateEMA(closes, 20);
const ema50 = this.calculateEMA(closes, 50);
const ema200 = this.calculateEMA(closes, 200);
if (!this.indicators.ema.ema20) {
this.indicators.ema.ema20 = this.chart.addLineSeries({
color: '#2dd4bf',
lineWidth: 2,
title: 'EMA 20',
});
}
if (!this.indicators.ema.ema50) {
this.indicators.ema.ema50 = this.chart.addLineSeries({
color: '#818cf8',
lineWidth: 2,
title: 'EMA 50',
});
}
if (!this.indicators.ema.ema200) {
this.indicators.ema.ema200 = this.chart.addLineSeries({
color: '#ec4899',
lineWidth: 2,
title: 'EMA 200',
});
}
this.indicators.ema.ema20.setData(
ema20.map((val, i) => ({ time: this.data[i].time, value: val }))
);
this.indicators.ema.ema50.setData(
ema50.map((val, i) => ({ time: this.data[i].time, value: val }))
);
this.indicators.ema.ema200.setData(
ema200.map((val, i) => ({ time: this.data[i].time, value: val }))
);
const latest = {
ema20: ema20[ema20.length - 1],
ema50: ema50[ema50.length - 1],
ema200: ema200[ema200.length - 1]
};
const emaEl = document.getElementById('emaValue');
if (emaEl) {
if (latest.ema20 > latest.ema50 && latest.ema50 > latest.ema200) {
emaEl.textContent = 'Strong Uptrend';
emaEl.className = 'metric-value bullish';
} else if (latest.ema20 < latest.ema50 && latest.ema50 < latest.ema200) {
emaEl.textContent = 'Strong Downtrend';
emaEl.className = 'metric-value bearish';
} else {
emaEl.textContent = 'Mixed';
emaEl.className = 'metric-value neutral';
}
}
}
calculateVolume() {
if (!this.indicators.volume.series) {
this.indicators.volume.series = this.chart.addHistogramSeries({
color: '#26a69a',
priceFormat: {
type: 'volume',
},
priceScaleId: 'volume',
});
this.chart.priceScale('volume').applyOptions({
scaleMargins: {
top: 0.8,
bottom: 0,
},
});
}
const volumeData = this.data.map(d => ({
time: d.time,
value: d.volume,
color: d.close > d.open ? 'rgba(34, 197, 94, 0.5)' : 'rgba(239, 68, 68, 0.5)'
}));
this.indicators.volume.series.setData(volumeData);
}
updateIndicators() {
Object.keys(this.indicators).forEach(key => {
const indicator = this.indicators[key];
if (!indicator.enabled) {
if (indicator.series) {
this.chart.removeSeries(indicator.series);
indicator.series = null;
}
if (indicator.ema20) {
this.chart.removeSeries(indicator.ema20);
this.chart.removeSeries(indicator.ema50);
this.chart.removeSeries(indicator.ema200);
indicator.ema20 = null;
indicator.ema50 = null;
indicator.ema200 = null;
}
}
});
this.calculateIndicators();
}
detectPatterns() {
// Simplified pattern detection
console.log('[TradingProV2] Pattern detection running...');
}
activateDrawingTool(tool) {
const toolNames = {
trendline: 'Trend Line',
horizontal: 'Horizontal Line',
fibonacci: 'Fibonacci Retracement',
rectangle: 'Rectangle',
triangle: 'Triangle'
};
this.showToast(
'Drawing Tool Activated',
`${toolNames[tool]} tool is ready. Click on the chart to draw.`,
'info'
);
}
updatePriceDisplay() {
if (this.data.length === 0) return;
const latest = this.data[this.data.length - 1];
const previous = this.data[this.data.length - 2];
const currentPrice = latest.close;
const change = ((latest.close - previous.close) / previous.close) * 100;
const priceEl = document.getElementById('currentPrice');
const changeEl = document.getElementById('priceChange');
const cpEl = document.getElementById('cp');
if (priceEl) {
priceEl.textContent = `$${currentPrice.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;
}
if (changeEl) {
changeEl.textContent = `${change >= 0 ? '+' : ''}${change.toFixed(2)}%`;
changeEl.className = 'price-change';
changeEl.classList.add(change >= 0 ? 'positive' : 'negative');
}
if (cpEl) {
cpEl.textContent = `$${currentPrice.toLocaleString('en-US', { minimumFractionDigits: 2 })}`;
}
}
updateAnalysis() {
if (this.data.length === 0) return;
const recentData = this.data.slice(-50);
const highs = recentData.map(d => d.high);
const lows = recentData.map(d => d.low);
const resistance = Math.max(...highs);
const support = Math.min(...lows);
const r1El = document.getElementById('r1');
const s1El = document.getElementById('s1');
if (r1El) r1El.textContent = `$${resistance.toLocaleString('en-US', { minimumFractionDigits: 2 })}`;
if (s1El) s1El.textContent = `$${support.toLocaleString('en-US', { minimumFractionDigits: 2 })}`;
const rsi = this.calculateRSI();
const latestRSI = rsi[rsi.length - 1]?.value || 50;
const closes = this.data.map(d => d.close);
const ema20 = this.calculateEMA(closes, 20);
const ema50 = this.calculateEMA(closes, 50);
let signal = 'HOLD';
let confidence = 50;
if (ema20[ema20.length - 1] > ema50[ema50.length - 1] && latestRSI > 50 && latestRSI < 70) {
signal = 'STRONG BUY';
confidence = 85;
} else if (ema20[ema20.length - 1] > ema50[ema50.length - 1] && latestRSI < 70) {
signal = 'BUY';
confidence = 70;
} else if (ema20[ema20.length - 1] < ema50[ema50.length - 1] && latestRSI < 50 && latestRSI > 30) {
signal = 'STRONG SELL';
confidence = 85;
} else if (ema20[ema20.length - 1] < ema50[ema50.length - 1] && latestRSI > 30) {
signal = 'SELL';
confidence = 70;
}
const signalEl = document.getElementById('currentSignal');
const confidenceEl = document.getElementById('confidence');
const strengthEl = document.getElementById('strength');
if (signalEl) {
signalEl.textContent = signal;
signalEl.className = 'signal-badge';
if (signal.includes('BUY')) signalEl.classList.add('buy');
else if (signal.includes('SELL')) signalEl.classList.add('sell');
else signalEl.classList.add('hold');
}
if (confidenceEl) {
confidenceEl.textContent = `${confidence}%`;
confidenceEl.className = 'metric-value';
if (confidence > 75) confidenceEl.classList.add('bullish');
else if (confidence < 50) confidenceEl.classList.add('bearish');
else confidenceEl.classList.add('neutral');
}
if (strengthEl) {
const strength = confidence > 75 ? 'Strong' : confidence > 60 ? 'Medium' : 'Weak';
strengthEl.textContent = strength;
strengthEl.className = 'metric-value';
if (confidence > 75) strengthEl.classList.add('bullish');
else strengthEl.classList.add('neutral');
}
// Calculate volatility
const stdDev = this.calculateStdDev(closes.slice(-20));
const volatility = stdDev > 1000 ? 'High' : stdDev > 500 ? 'Medium' : 'Low';
const volEl = document.getElementById('volatility');
if (volEl) {
volEl.textContent = volatility;
volEl.className = 'metric-value';
if (volatility === 'High') volEl.classList.add('bearish');
else if (volatility === 'Low') volEl.classList.add('bullish');
else volEl.classList.add('neutral');
}
}
calculateStdDev(values) {
const mean = values.reduce((a, b) => a + b, 0) / values.length;
const variance = values.reduce((sum, val) => sum + Math.pow(val - mean, 2), 0) / values.length;
return Math.sqrt(variance);
}
updateTimestamp() {
const now = new Date();
const timeStr = now.toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit' });
const updateEl = document.getElementById('lastUpdate');
if (updateEl) {
updateEl.textContent = timeStr;
}
}
loadStrategyTab(tabType) {
const container = document.getElementById('strategyContent');
if (!container) return;
switch (tabType) {
case 'strategies':
this.loadStrategiesTab();
break;
case 'signals':
container.innerHTML = `
<div class="strategy-list">
<div class="analysis-card">
<h3>
<svg width="16" height="16" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 17h5l-1.405-1.405A2.032 2.032 0 0118 14.158V11a6.002 6.002 0 00-4-5.659V5a2 2 0 10-4 0v.341C7.67 6.165 6 8.388 6 11v3.159c0 .538-.214 1.055-.595 1.436L4 17h5m6 0v1a3 3 0 11-6 0v-1m6 0H9"/>
</svg>
Active Trading Signals
</h3>
<div class="metric-row">
<span class="metric-label">BTC/USDT</span>
<span class="signal-badge buy">BUY</span>
</div>
<div class="metric-row">
<span class="metric-label">Entry: $42,150</span>
<span class="metric-label">Target: $44,200</span>
</div>
<div class="metric-row">
<span class="metric-label">ETH/USDT</span>
<span class="signal-badge hold">HOLD</span>
</div>
<div class="metric-row">
<span class="metric-label">BNB/USDT</span>
<span class="signal-badge sell">SELL</span>
</div>
</div>
</div>
`;
this.showToast('Active Signals', 'Viewing active trading signals', 'info');
break;
case 'history':
container.innerHTML = `
<div class="strategy-list">
<div class="analysis-card">
<h3>
<svg width="16" height="16" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"/>
</svg>
Recent Trades
</h3>
<div class="metric-row">
<span class="metric-label">BTC/USDT - BUY</span>
<span class="metric-value bullish">+2.5%</span>
</div>
<div class="metric-row">
<span class="metric-label">ETH/USDT - SELL</span>
<span class="metric-value bullish">+1.8%</span>
</div>
<div class="metric-row">
<span class="metric-label">BNB/USDT - BUY</span>
<span class="metric-value bearish">-0.5%</span>
</div>
<p style="color: var(--text-secondary); margin-top: 1rem; font-size: 0.875rem;">
Total trades: 156 | Win rate: 67% | Total profit: +15.3%
</p>
</div>
</div>
`;
this.showToast('Trade History', 'Viewing trade history', 'info');
break;
case 'backtests':
container.innerHTML = `
<div class="strategy-list">
<div class="analysis-card">
<h3>
<svg width="16" height="16" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"/>
</svg>
Backtest Results
</h3>
<div class="metric-row">
<span class="metric-label">Total Trades</span>
<span class="metric-value">1,247</span>
</div>
<div class="metric-row">
<span class="metric-label">Win Rate</span>
<span class="metric-value bullish">67.3%</span>
</div>
<div class="metric-row">
<span class="metric-label">Profit Factor</span>
<span class="metric-value bullish">2.41</span>
</div>
<div class="metric-row">
<span class="metric-label">Max Drawdown</span>
<span class="metric-value bearish">-12.5%</span>
</div>
<div class="metric-row">
<span class="metric-label">Total Return</span>
<span class="metric-value bullish">+156.7%</span>
</div>
</div>
</div>
`;
this.showToast('Backtest Results', 'Viewing backtest results', 'info');
break;
}
}
loadStrategiesTab() {
const container = document.getElementById('strategyList');
if (!container) return;
const strategies = [
{
icon: '🎯',
name: 'Trend Following + RSI',
description: 'EMA crossover with RSI confirmation. Buy when EMA(20) crosses EMA(50) upward and RSI > 50',
winRate: 67,
profitFactor: 2.3,
trades: 156
},
{
icon: '💎',
name: 'Support/Resistance Breakout',
description: 'Buy on resistance break with volume confirmation. Sell on support break.',
winRate: 72,
profitFactor: 3.1,
trades: 89
},
{
icon: '🌊',
name: 'MACD + Bollinger Bands',
description: 'MACD histogram reversal at BB extremes. Mean reversion strategy.',
winRate: 65,
profitFactor: 1.9,
trades: 203
},
{
icon: '⚡',
name: 'Scalping - Quick Profits',
description: '1-5 minute timeframe. Small profits, high frequency, strict stop-loss.',
winRate: 58,
profitFactor: 1.6,
trades: 1247
}
];
container.innerHTML = strategies.map((strategy, index) => `
<div class="strategy-item ${index === 0 ? 'active' : ''}" data-strategy="${index}">
<div class="strategy-name">${strategy.icon} ${strategy.name}</div>
<p style="color: var(--text-secondary); font-size: 0.875rem; margin-top: 0.5rem;">
${strategy.description}
</p>
<div class="strategy-stats">
<div class="stat">
<div class="stat-label">Win Rate</div>
<div class="stat-value" style="color: var(--accent-green)">${strategy.winRate}%</div>
</div>
<div class="stat">
<div class="stat-label">Profit Factor</div>
<div class="stat-value" style="color: var(--accent-green)">${strategy.profitFactor}</div>
</div>
<div class="stat">
<div class="stat-label">Trades</div>
<div class="stat-value">${strategy.trades.toLocaleString()}</div>
</div>
</div>
</div>
`).join('');
// Add click handlers
container.querySelectorAll('.strategy-item').forEach(item => {
item.addEventListener('click', (e) => {
container.querySelectorAll('.strategy-item').forEach(i => i.classList.remove('active'));
e.currentTarget.classList.add('active');
const strategyIndex = parseInt(e.currentTarget.dataset.strategy);
this.showToast(
'Strategy Applied',
`${strategies[strategyIndex].name} is now active`,
'success'
);
});
});
}
zoomIn() {
if (this.chart) {
const timeScale = this.chart.timeScale();
const range = timeScale.getVisibleLogicalRange();
if (range) {
const newRange = {
from: range.from + (range.to - range.from) * 0.1,
to: range.to - (range.to - range.from) * 0.1
};
timeScale.setVisibleLogicalRange(newRange);
this.showToast('Zoomed In', 'Chart zoomed in', 'info');
}
}
}
zoomOut() {
if (this.chart) {
const timeScale = this.chart.timeScale();
const range = timeScale.getVisibleLogicalRange();
if (range) {
const newRange = {
from: range.from - (range.to - range.from) * 0.1,
to: range.to + (range.to - range.from) * 0.1
};
timeScale.setVisibleLogicalRange(newRange);
this.showToast('Zoomed Out', 'Chart zoomed out', 'info');
}
}
}
takeScreenshot() {
this.showToast('Screenshot', 'Screenshot feature coming soon!', 'warning');
}
showToast(title, message, type = 'info') {
const container = document.getElementById('toastContainer');
if (!container) return;
const toast = document.createElement('div');
toast.className = `toast ${type}`;
const icons = {
success: '<svg width="24" height="24" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>',
error: '<svg width="24" height="24" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 14l2-2m0 0l2-2m-2 2l-2-2m2 2l2 2m7-2a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>',
warning: '<svg width="24" height="24" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"/></svg>',
info: '<svg width="24" height="24" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>'
};
toast.innerHTML = `
<div class="toast-icon">${icons[type]}</div>
<div class="toast-content">
<div class="toast-title">${title}</div>
<div class="toast-message">${message}</div>
</div>
<button class="toast-close">
<svg width="16" height="16" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
</svg>
</button>
`;
container.appendChild(toast);
// Close button
const closeBtn = toast.querySelector('.toast-close');
closeBtn.addEventListener('click', () => {
toast.classList.add('removing');
setTimeout(() => toast.remove(), 300);
});
// Auto remove after 5 seconds
setTimeout(() => {
if (toast.parentElement) {
toast.classList.add('removing');
setTimeout(() => toast.remove(), 300);
}
}, 5000);
}
destroy() {
if (this.updateInterval) {
clearInterval(this.updateInterval);
}
if (this.chart) {
this.chart.remove();
}
}
}
// Initialize
function initTradingPro() {
window.tradingProV2 = new TradingProV2();
window.tradingProV2.init();
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initTradingPro);
} else {
initTradingPro();
}
window.addEventListener('beforeunload', () => {
window.tradingProV2?.destroy();
});
// Export
export default TradingProV2;