Files
gogo2/ANNOTATE/web/static/js/chart_manager.js
2025-10-25 16:35:08 +03:00

1546 lines
60 KiB
JavaScript

/**
* ChartManager - Manages Plotly charts for multi-timeframe visualization
*/
class ChartManager {
constructor(containerId, timeframes) {
this.containerId = containerId;
this.timeframes = timeframes;
this.charts = {};
this.annotations = {};
this.syncedTime = null;
console.log('ChartManager initialized with timeframes:', timeframes);
}
/**
* Initialize charts for all timeframes with pivot bounds
*/
initializeCharts(chartData, pivotBounds = null) {
console.log('Initializing charts with data:', chartData);
console.log('Pivot bounds:', pivotBounds);
// Use requestAnimationFrame to batch chart creation
let index = 0;
const createNextChart = () => {
if (index < this.timeframes.length) {
const timeframe = this.timeframes[index];
if (chartData[timeframe]) {
this.createChart(timeframe, chartData[timeframe], pivotBounds);
}
index++;
requestAnimationFrame(createNextChart);
} else {
// Enable crosshair after all charts are created
this.enableCrosshair();
}
};
requestAnimationFrame(createNextChart);
}
/**
* Create a single chart for a timeframe
*/
createChart(timeframe, data, pivotBounds = null) {
const plotId = `plot-${timeframe}`;
const plotElement = document.getElementById(plotId);
if (!plotElement) {
console.error(`Plot element not found: ${plotId}`);
return;
}
// Create candlestick trace
const candlestickTrace = {
x: data.timestamps,
open: data.open,
high: data.high,
low: data.low,
close: data.close,
type: 'candlestick',
name: 'Price',
increasing: {
line: { color: '#10b981', width: 1 },
fillcolor: '#10b981'
},
decreasing: {
line: { color: '#ef4444', width: 1 },
fillcolor: '#ef4444'
},
xaxis: 'x',
yaxis: 'y'
};
// Create volume trace with color based on price direction
const volumeColors = data.close.map((close, i) => {
if (i === 0) return '#3b82f6';
return close >= data.open[i] ? '#10b981' : '#ef4444';
});
const volumeTrace = {
x: data.timestamps,
y: data.volume,
type: 'bar',
name: 'Volume',
yaxis: 'y2',
marker: {
color: volumeColors,
opacity: 0.3
},
hoverinfo: 'y'
};
const layout = {
title: '',
showlegend: false,
xaxis: {
rangeslider: { visible: false },
gridcolor: '#374151',
color: '#9ca3af',
showgrid: true,
zeroline: false
},
yaxis: {
title: {
text: 'Price (USD)',
font: { size: 10 }
},
gridcolor: '#374151',
color: '#9ca3af',
showgrid: true,
zeroline: false,
domain: [0.3, 1]
},
yaxis2: {
title: {
text: 'Volume',
font: { size: 10 }
},
gridcolor: '#374151',
color: '#9ca3af',
showgrid: false,
zeroline: false,
domain: [0, 0.25]
},
plot_bgcolor: '#1f2937',
paper_bgcolor: '#1f2937',
font: { color: '#f8f9fa', size: 11 },
margin: { l: 60, r: 20, t: 10, b: 40 },
hovermode: 'x unified',
dragmode: 'pan',
// Performance optimizations
autosize: true,
staticPlot: false
};
const config = {
responsive: true,
displayModeBar: true,
modeBarButtonsToRemove: ['lasso2d', 'select2d', 'autoScale2d'],
displaylogo: false,
scrollZoom: true,
// Performance optimizations
doubleClick: false,
showAxisDragHandles: false,
showAxisRangeEntryBoxes: false
};
// Prepare chart data with pivot bounds
const chartData = [candlestickTrace, volumeTrace];
// Add pivot markers from chart data
const shapes = [];
const annotations = [];
const pivotDots = { x: [], y: [], text: [], marker: { color: [], size: [], symbol: [] }, mode: 'markers', hoverinfo: 'text', showlegend: false };
if (data.pivot_markers && Object.keys(data.pivot_markers).length > 0) {
const xMin = data.timestamps[0];
const xMax = data.timestamps[data.timestamps.length - 1];
// Process each timestamp that has pivot markers
Object.entries(data.pivot_markers).forEach(([timestamp, pivots]) => {
// Process high pivots
if (pivots.highs && pivots.highs.length > 0) {
pivots.highs.forEach(pivot => {
const color = this._getPivotColor(pivot.level, 'high');
// Draw dot on the pivot candle (above the high)
pivotDots.x.push(timestamp);
pivotDots.y.push(pivot.price);
pivotDots.text.push(`L${pivot.level} High Pivot<br>Price: $${pivot.price.toFixed(2)}<br>Strength: ${(pivot.strength * 100).toFixed(0)}%`);
pivotDots.marker.color.push(color);
pivotDots.marker.size.push(this._getPivotMarkerSize(pivot.level));
pivotDots.marker.symbol.push('triangle-down');
// Draw horizontal line ONLY for last pivot of this level
if (pivot.is_last) {
shapes.push({
type: 'line',
x0: xMin,
y0: pivot.price,
x1: xMax,
y1: pivot.price,
line: {
color: color,
width: 1,
dash: 'dash'
},
layer: 'below'
});
// Add label for the level
annotations.push({
x: xMax,
y: pivot.price,
text: `L${pivot.level}H`,
showarrow: false,
xanchor: 'left',
font: {
size: 9,
color: color
},
bgcolor: '#1f2937',
borderpad: 2
});
}
});
}
// Process low pivots
if (pivots.lows && pivots.lows.length > 0) {
pivots.lows.forEach(pivot => {
const color = this._getPivotColor(pivot.level, 'low');
// Draw dot on the pivot candle (below the low)
pivotDots.x.push(timestamp);
pivotDots.y.push(pivot.price);
pivotDots.text.push(`L${pivot.level} Low Pivot<br>Price: $${pivot.price.toFixed(2)}<br>Strength: ${(pivot.strength * 100).toFixed(0)}%`);
pivotDots.marker.color.push(color);
pivotDots.marker.size.push(this._getPivotMarkerSize(pivot.level));
pivotDots.marker.symbol.push('triangle-up');
// Draw horizontal line ONLY for last pivot of this level
if (pivot.is_last) {
shapes.push({
type: 'line',
x0: xMin,
y0: pivot.price,
x1: xMax,
y1: pivot.price,
line: {
color: color,
width: 1,
dash: 'dash'
},
layer: 'below'
});
// Add label for the level
annotations.push({
x: xMax,
y: pivot.price,
text: `L${pivot.level}L`,
showarrow: false,
xanchor: 'left',
font: {
size: 9,
color: color
},
bgcolor: '#1f2937',
borderpad: 2
});
}
});
}
});
// Add pivot dots trace if we have any
if (pivotDots.x.length > 0) {
chartData.push(pivotDots);
}
console.log(`Added ${shapes.length} pivot levels to ${timeframe} chart`);
}
// Add shapes and annotations to layout
if (shapes.length > 0) {
layout.shapes = shapes;
}
if (annotations.length > 0) {
layout.annotations = annotations;
}
// Use Plotly.react for better performance on updates
Plotly.newPlot(plotId, chartData, layout, config).then(() => {
// Optimize rendering after initial plot
plotElement._fullLayout._replotting = false;
});
// Store chart reference
this.charts[timeframe] = {
plotId: plotId,
data: data,
element: plotElement,
annotations: []
};
// Add click handler for chart and annotations
plotElement.on('plotly_click', (eventData) => {
// Check if this is an annotation click by looking at the clicked element
if (eventData.points && eventData.points.length > 0) {
const point = eventData.points[0];
// If it's a shape click (annotation line), try to find the annotation
if (point.data && point.data.name && point.data.name.startsWith('line_')) {
const annotationId = point.data.name.replace('line_', '');
console.log('Line annotation clicked:', annotationId);
this.handleAnnotationClick(annotationId, 'edit');
return; // Don't process as regular chart click
}
}
// Regular chart click for annotation marking
this.handleChartClick(timeframe, eventData);
});
// Add click handler for annotations
plotElement.on('plotly_clickannotation', (eventData) => {
console.log('=== plotly_clickannotation event fired ===');
console.log('Event data:', eventData);
console.log('Annotation:', eventData.annotation);
const annotationName = eventData.annotation.name;
console.log('Annotation name:', annotationName);
if (annotationName) {
const parts = annotationName.split('_');
const action = parts[0]; // 'entry', 'exit', or 'delete'
const annotationId = parts[1];
console.log(`Parsed - Action: ${action}, ID: ${annotationId}`);
if (action === 'delete') {
this.handleAnnotationClick(annotationId, 'delete');
} else {
this.handleAnnotationClick(annotationId, 'edit');
}
} else {
console.log('No annotation name found in click event');
}
});
// Add hover handler to update info
plotElement.on('plotly_hover', (eventData) => {
this.updateChartInfo(timeframe, eventData);
});
// Add relayout handler for infinite scroll (load more data when zooming/panning)
plotElement.on('plotly_relayout', (eventData) => {
this.handleChartRelayout(timeframe, eventData);
});
console.log(`Chart created for ${timeframe} with ${data.timestamps.length} candles`);
}
/**
* Handle chart click for annotation
*/
handleChartClick(timeframe, eventData) {
if (!eventData.points || eventData.points.length === 0) return;
const point = eventData.points[0];
// Get the actual price from candlestick data
let price;
if (point.data.type === 'candlestick') {
// For candlestick, use close price
price = point.data.close[point.pointIndex];
} else if (point.data.type === 'bar') {
// Skip volume bar clicks
return;
} else {
price = point.y;
}
const clickData = {
timeframe: timeframe,
timestamp: point.x,
price: price,
index: point.pointIndex
};
console.log('Chart clicked:', clickData);
// Trigger annotation manager
if (window.appState && window.appState.annotationManager) {
window.appState.annotationManager.handleChartClick(clickData);
}
}
/**
* Update charts with new data including pivot levels
*/
updateCharts(newData, pivotBounds = null) {
Object.keys(newData).forEach(timeframe => {
if (this.charts[timeframe]) {
const plotId = this.charts[timeframe].plotId;
const data = newData[timeframe];
// Create volume colors
const volumeColors = data.close.map((close, i) => {
if (i === 0) return '#3b82f6';
return close >= data.open[i] ? '#10b981' : '#ef4444';
});
// Prepare chart data
const chartData = [
{
x: data.timestamps,
open: data.open,
high: data.high,
low: data.low,
close: data.close,
type: 'candlestick',
name: 'Price',
increasing: {
line: { color: '#10b981', width: 1 },
fillcolor: '#10b981'
},
decreasing: {
line: { color: '#ef4444', width: 1 },
fillcolor: '#ef4444'
}
},
{
x: data.timestamps,
y: data.volume,
type: 'bar',
yaxis: 'y2',
name: 'Volume',
marker: {
color: volumeColors,
opacity: 0.3
},
hoverinfo: 'y'
}
];
// Add pivot markers from chart data
const shapes = [];
const annotations = [];
const pivotDots = { x: [], y: [], text: [], marker: { color: [], size: [], symbol: [] }, mode: 'markers', hoverinfo: 'text', showlegend: false };
if (data.pivot_markers && Object.keys(data.pivot_markers).length > 0) {
const xMin = data.timestamps[0];
const xMax = data.timestamps[data.timestamps.length - 1];
// Process each timestamp that has pivot markers
Object.entries(data.pivot_markers).forEach(([timestamp, pivots]) => {
// Process high pivots
if (pivots.highs && pivots.highs.length > 0) {
pivots.highs.forEach(pivot => {
const color = this._getPivotColor(pivot.level, 'high');
// Draw dot on the pivot candle
pivotDots.x.push(timestamp);
pivotDots.y.push(pivot.price);
pivotDots.text.push(`L${pivot.level} High Pivot<br>Price: $${pivot.price.toFixed(2)}<br>Strength: ${(pivot.strength * 100).toFixed(0)}%`);
pivotDots.marker.color.push(color);
pivotDots.marker.size.push(this._getPivotMarkerSize(pivot.level));
pivotDots.marker.symbol.push('triangle-down');
// Draw horizontal line ONLY for last pivot
if (pivot.is_last) {
shapes.push({
type: 'line',
x0: xMin,
y0: pivot.price,
x1: xMax,
y1: pivot.price,
line: {
color: color,
width: 1,
dash: 'dash'
},
layer: 'below'
});
annotations.push({
x: xMax,
y: pivot.price,
text: `L${pivot.level}H`,
showarrow: false,
xanchor: 'left',
font: {
size: 9,
color: color
},
bgcolor: '#1f2937',
borderpad: 2
});
}
});
}
// Process low pivots
if (pivots.lows && pivots.lows.length > 0) {
pivots.lows.forEach(pivot => {
const color = this._getPivotColor(pivot.level, 'low');
// Draw dot on the pivot candle
pivotDots.x.push(timestamp);
pivotDots.y.push(pivot.price);
pivotDots.text.push(`L${pivot.level} Low Pivot<br>Price: $${pivot.price.toFixed(2)}<br>Strength: ${(pivot.strength * 100).toFixed(0)}%`);
pivotDots.marker.color.push(color);
pivotDots.marker.size.push(this._getPivotMarkerSize(pivot.level));
pivotDots.marker.symbol.push('triangle-up');
// Draw horizontal line ONLY for last pivot
if (pivot.is_last) {
shapes.push({
type: 'line',
x0: xMin,
y0: pivot.price,
x1: xMax,
y1: pivot.price,
line: {
color: color,
width: 1,
dash: 'dash'
},
layer: 'below'
});
annotations.push({
x: xMax,
y: pivot.price,
text: `L${pivot.level}L`,
showarrow: false,
xanchor: 'left',
font: {
size: 9,
color: color
},
bgcolor: '#1f2937',
borderpad: 2
});
}
});
}
});
// Add pivot dots trace if we have any
if (pivotDots.x.length > 0) {
chartData.push(pivotDots);
}
}
// Use Plotly.react for efficient updates
const update = {
shapes: shapes,
annotations: annotations
};
Plotly.react(plotId, chartData, update);
}
});
}
/**
* Add annotation to charts
*/
addAnnotation(annotation) {
console.log('Adding annotation to charts:', annotation);
// Store annotation
this.annotations[annotation.annotation_id] = annotation;
// Add markers to relevant timeframe chart
const timeframe = annotation.timeframe;
if (this.charts[timeframe]) {
// TODO: Add visual markers using Plotly annotations
this.updateChartAnnotations(timeframe);
}
}
/**
* Remove annotation from charts
*/
removeAnnotation(annotationId) {
if (this.annotations[annotationId]) {
const annotation = this.annotations[annotationId];
delete this.annotations[annotationId];
// Update chart
if (this.charts[annotation.timeframe]) {
this.updateChartAnnotations(annotation.timeframe);
}
}
}
/**
* Update chart annotations
*/
updateChartAnnotations(timeframe) {
const chart = this.charts[timeframe];
if (!chart) return;
// Get annotations for this timeframe
const timeframeAnnotations = Object.values(this.annotations)
.filter(ann => ann.timeframe === timeframe);
// Build Plotly annotations and shapes
const plotlyAnnotations = [];
const plotlyShapes = [];
timeframeAnnotations.forEach(ann => {
const entryTime = ann.entry.timestamp;
const exitTime = ann.exit.timestamp;
const entryPrice = ann.entry.price;
const exitPrice = ann.exit.price;
// Entry marker (clickable)
plotlyAnnotations.push({
x: entryTime,
y: entryPrice,
text: '▲',
showarrow: false,
font: {
size: 20,
color: ann.direction === 'LONG' ? '#10b981' : '#ef4444'
},
xanchor: 'center',
yanchor: 'bottom',
captureevents: true,
name: `entry_${ann.annotation_id}`
});
// Exit marker (clickable)
plotlyAnnotations.push({
x: exitTime,
y: exitPrice,
text: '▼',
showarrow: false,
font: {
size: 20,
color: ann.direction === 'LONG' ? '#10b981' : '#ef4444'
},
xanchor: 'center',
yanchor: 'top',
captureevents: true,
name: `exit_${ann.annotation_id}`
});
// P&L label with delete button
const midTime = new Date((new Date(entryTime).getTime() + new Date(exitTime).getTime()) / 2);
const midPrice = (entryPrice + exitPrice) / 2;
const pnlColor = ann.profit_loss_pct >= 0 ? '#10b981' : '#ef4444';
plotlyAnnotations.push({
x: midTime,
y: midPrice,
text: `${ann.profit_loss_pct >= 0 ? '+' : ''}${ann.profit_loss_pct.toFixed(2)}% 🗑️`,
showarrow: true,
arrowhead: 0,
ax: 0,
ay: -40,
font: {
size: 12,
color: pnlColor,
family: 'monospace'
},
bgcolor: '#1f2937',
bordercolor: pnlColor,
borderwidth: 1,
borderpad: 4,
captureevents: true,
name: `delete_${ann.annotation_id}`
});
// Connecting line (clickable for selection)
plotlyShapes.push({
type: 'line',
x0: entryTime,
y0: entryPrice,
x1: exitTime,
y1: exitPrice,
line: {
color: ann.direction === 'LONG' ? '#10b981' : '#ef4444',
width: 2,
dash: 'dash'
},
name: `line_${ann.annotation_id}`
});
});
// Get existing pivot annotations (they have specific names like L1H, L2L)
const existingLayout = chart.element.layout || {};
const existingAnnotations = existingLayout.annotations || [];
const pivotAnnotations = existingAnnotations.filter(ann =>
ann.text && ann.text.match(/^L\d+[HL]$/)
);
// Merge pivot annotations with trade annotations
const allAnnotations = [...pivotAnnotations, ...plotlyAnnotations];
// Get existing pivot shapes
const existingShapes = existingLayout.shapes || [];
const pivotShapes = existingShapes.filter(shape =>
shape.layer === 'below' && shape.line && shape.line.dash === 'dash'
);
// Merge pivot shapes with trade annotation shapes
const allShapes = [...pivotShapes, ...plotlyShapes];
// Update chart layout with merged annotations and shapes
Plotly.relayout(chart.plotId, {
annotations: allAnnotations,
shapes: allShapes
});
console.log(`Updated ${timeframeAnnotations.length} trade annotations for ${timeframe} (preserved ${pivotAnnotations.length} pivot annotations)`);
}
/**
* Handle annotation click for editing/deleting
*/
handleAnnotationClick(annotationId, action) {
console.log(`=== handleAnnotationClick called ===`);
console.log(` Action: ${action}`);
console.log(` Annotation ID: ${annotationId}`);
console.log(` window.deleteAnnotation type: ${typeof window.deleteAnnotation}`);
if (action === 'delete') {
console.log('Delete action confirmed, showing confirm dialog...');
if (confirm('Delete this annotation?')) {
console.log('User confirmed deletion');
if (window.deleteAnnotation) {
console.log('Calling window.deleteAnnotation...');
window.deleteAnnotation(annotationId);
} else {
console.error('window.deleteAnnotation is not available!');
alert('Delete function not available. Please refresh the page.');
}
} else {
console.log('User cancelled deletion');
}
} else if (action === 'edit') {
console.log('Edit action');
if (window.appState && window.appState.chartManager) {
window.appState.chartManager.editAnnotation(annotationId);
}
}
}
/**
* Highlight annotation
*/
highlightAnnotation(annotationId) {
const annotation = this.annotations[annotationId];
if (!annotation) return;
const timeframe = annotation.timeframe;
const chart = this.charts[timeframe];
if (!chart) return;
// Flash the annotation by temporarily changing its color
const originalAnnotations = chart.element.layout.annotations || [];
const highlightedAnnotations = originalAnnotations.map(ann => {
// Create a copy with highlighted color
return {
...ann,
font: {
...ann.font,
color: '#fbbf24' // Yellow highlight
}
};
});
Plotly.relayout(chart.plotId, { annotations: highlightedAnnotations });
// Restore original colors after 1 second
setTimeout(() => {
this.updateChartAnnotations(timeframe);
}, 1000);
console.log('Highlighted annotation:', annotationId);
}
/**
* Edit annotation - allows moving entry/exit points
*/
editAnnotation(annotationId) {
const annotation = this.annotations[annotationId];
if (!annotation) return;
// Create a better edit dialog using Bootstrap modal
this.showEditDialog(annotationId, annotation);
}
/**
* Show edit dialog for annotation
*/
showEditDialog(annotationId, annotation) {
// Create modal HTML
const modalHtml = `
<div class="modal fade" id="editAnnotationModal" tabindex="-1">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">Edit Annotation</h5>
<button type="button" class="btn-close" data-bs-dismiss="modal"></button>
</div>
<div class="modal-body">
<div class="mb-3">
<strong>Current Annotation:</strong>
<div class="mt-2">
<div class="row">
<div class="col-6">
<small class="text-muted">Entry:</small><br>
<span class="badge bg-success">▲</span>
${new Date(annotation.entry.timestamp).toLocaleString()}<br>
<small>$${annotation.entry.price.toFixed(2)}</small>
</div>
<div class="col-6">
<small class="text-muted">Exit:</small><br>
<span class="badge bg-danger">▼</span>
${new Date(annotation.exit.timestamp).toLocaleString()}<br>
<small>$${annotation.exit.price.toFixed(2)}</small>
</div>
</div>
<div class="mt-2">
<small class="text-muted">P&L:</small>
<span class="badge ${annotation.profit_loss_pct >= 0 ? 'bg-success' : 'bg-danger'}">
${annotation.profit_loss_pct >= 0 ? '+' : ''}${annotation.profit_loss_pct.toFixed(2)}%
</span>
</div>
</div>
</div>
<div class="mb-3">
<label class="form-label">What would you like to edit?</label>
<div class="btn-group w-100" role="group">
<button type="button" class="btn btn-outline-primary" id="edit-entry-btn">
<i class="fas fa-arrow-up"></i> Move Entry
</button>
<button type="button" class="btn btn-outline-primary" id="edit-exit-btn">
<i class="fas fa-arrow-down"></i> Move Exit
</button>
<button type="button" class="btn btn-outline-danger" id="delete-annotation-btn">
<i class="fas fa-trash"></i> Delete
</button>
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
</div>
</div>
</div>
</div>
`;
// Remove existing modal if any
const existingModal = document.getElementById('editAnnotationModal');
if (existingModal) {
existingModal.remove();
}
// Add modal to page
document.body.insertAdjacentHTML('beforeend', modalHtml);
// Show modal
const modal = new bootstrap.Modal(document.getElementById('editAnnotationModal'));
modal.show();
// Add event listeners
document.getElementById('edit-entry-btn').addEventListener('click', () => {
modal.hide();
this.startEditMode(annotationId, annotation, 'entry');
});
document.getElementById('edit-exit-btn').addEventListener('click', () => {
modal.hide();
this.startEditMode(annotationId, annotation, 'exit');
});
document.getElementById('delete-annotation-btn').addEventListener('click', () => {
modal.hide();
this.handleAnnotationClick(annotationId, 'delete');
});
// Clean up modal when hidden
document.getElementById('editAnnotationModal').addEventListener('hidden.bs.modal', () => {
document.getElementById('editAnnotationModal').remove();
});
}
/**
* Start edit mode for annotation
*/
startEditMode(annotationId, annotation, editMode) {
const message = editMode === 'entry' ? 'Click on chart to set new entry point' : 'Click on chart to set new exit point';
window.showSuccess(message);
// Store annotation for editing
if (window.appState && window.appState.annotationManager) {
window.appState.annotationManager.editingAnnotation = {
annotation_id: annotationId,
original: annotation,
editMode: editMode
};
// Remove current annotation from display
this.removeAnnotation(annotationId);
// Show reference marker
const chart = this.charts[annotation.timeframe];
if (chart) {
const referencePoint = editMode === 'entry' ? annotation.exit : annotation.entry;
const markerText = editMode === 'entry' ? '▼ (exit)' : '▲ (entry)';
const arrowDirection = editMode === 'entry' ? 40 : -40;
Plotly.relayout(chart.plotId, {
annotations: [{
x: referencePoint.timestamp,
y: referencePoint.price,
text: markerText,
showarrow: true,
arrowhead: 2,
ax: 0,
ay: arrowDirection,
font: { size: 14, color: '#9ca3af' },
bgcolor: 'rgba(31, 41, 55, 0.8)',
borderpad: 4
}]
});
}
}
}
/**
* Clear all annotations from charts
*/
clearAllAnnotations() {
console.log('Clearing all annotations from charts');
// Clear from memory
this.annotations = {};
// Update all charts
Object.keys(this.charts).forEach(timeframe => {
this.updateChartAnnotations(timeframe);
});
console.log('All annotations cleared from charts');
}
/**
* Update chart layout when charts are minimized/maximized
*/
updateChartLayout() {
const chartContainer = document.getElementById('chart-container');
const visibleCharts = document.querySelectorAll('.timeframe-chart:not(.minimized)');
const minimizedCharts = document.querySelectorAll('.timeframe-chart.minimized');
// Remove scroll if all charts are visible or if some are minimized
if (minimizedCharts.length > 0) {
chartContainer.classList.add('no-scroll');
// Calculate available height for visible charts
const containerHeight = chartContainer.clientHeight;
const headerHeight = 50; // Approximate header height
const availableHeight = containerHeight - (visibleCharts.length * headerHeight);
const chartHeight = Math.max(200, availableHeight / visibleCharts.length);
// Update visible chart heights
visibleCharts.forEach(chart => {
const plotElement = chart.querySelector('.chart-plot');
if (plotElement) {
plotElement.style.height = `${chartHeight}px`;
// Trigger Plotly resize
const plotId = plotElement.id;
if (plotId) {
Plotly.Plots.resize(plotId);
}
}
});
} else {
chartContainer.classList.remove('no-scroll');
// Reset to default heights
visibleCharts.forEach(chart => {
const plotElement = chart.querySelector('.chart-plot');
if (plotElement) {
plotElement.style.height = '300px';
// Trigger Plotly resize
const plotId = plotElement.id;
if (plotId) {
Plotly.Plots.resize(plotId);
}
}
});
}
console.log(`Updated chart layout: ${visibleCharts.length} visible, ${minimizedCharts.length} minimized`);
}
/**
* Get color for pivot level
*/
_getPivotColor(level, type) {
// Different colors for different levels
const highColors = ['#dc3545', '#ff6b6b', '#ff8787', '#ffa8a8', '#ffc9c9'];
const lowColors = ['#28a745', '#51cf66', '#69db7c', '#8ce99a', '#b2f2bb'];
const colors = type === 'high' ? highColors : lowColors;
return colors[Math.min(level - 1, colors.length - 1)];
}
/**
* Get marker size for pivot level
* L1 = smallest (6px), L5 = largest (14px)
*/
_getPivotMarkerSize(level) {
const sizes = [6, 8, 10, 12, 14]; // L1 to L5
return sizes[Math.min(level - 1, sizes.length - 1)];
}
/**
* Enable crosshair cursor
*/
enableCrosshair() {
// Crosshair is enabled via hovermode in layout
console.log('Crosshair enabled');
}
/**
* Handle zoom
*/
handleZoom(zoomFactor) {
Object.values(this.charts).forEach(chart => {
Plotly.relayout(chart.plotId, {
'xaxis.range[0]': null,
'xaxis.range[1]': null
});
});
}
/**
* Reset zoom
*/
resetZoom() {
Object.values(this.charts).forEach(chart => {
Plotly.relayout(chart.plotId, {
'xaxis.autorange': true,
'yaxis.autorange': true
});
});
}
/**
* Synchronize time navigation across charts
*/
syncTimeNavigation(timestamp) {
this.syncedTime = timestamp;
// Update all charts to center on this timestamp
Object.values(this.charts).forEach(chart => {
const data = chart.data;
const timestamps = data.timestamps;
// Find index closest to target timestamp
const targetTime = new Date(timestamp);
let closestIndex = 0;
let minDiff = Infinity;
timestamps.forEach((ts, i) => {
const diff = Math.abs(new Date(ts) - targetTime);
if (diff < minDiff) {
minDiff = diff;
closestIndex = i;
}
});
// Center the view on this index
const rangeSize = 100; // Show 100 candles
const startIndex = Math.max(0, closestIndex - rangeSize / 2);
const endIndex = Math.min(timestamps.length - 1, closestIndex + rangeSize / 2);
Plotly.relayout(chart.plotId, {
'xaxis.range': [timestamps[startIndex], timestamps[endIndex]]
});
});
console.log('Synced charts to timestamp:', timestamp);
}
/**
* Update chart info display on hover
*/
updateChartInfo(timeframe, eventData) {
if (!eventData.points || eventData.points.length === 0) return;
const point = eventData.points[0];
const infoElement = document.getElementById(`info-${timeframe}`);
if (infoElement && point.data.type === 'candlestick') {
const open = point.data.open[point.pointIndex];
const high = point.data.high[point.pointIndex];
const low = point.data.low[point.pointIndex];
const close = point.data.close[point.pointIndex];
infoElement.textContent = `O: ${open.toFixed(2)} H: ${high.toFixed(2)} L: ${low.toFixed(2)} C: ${close.toFixed(2)}`;
}
}
/**
* Handle chart relayout for infinite scroll
* Detects when user scrolls/zooms to edges and loads more data
*/
handleChartRelayout(timeframe, eventData) {
const chart = this.charts[timeframe];
if (!chart || !chart.data) return;
// Check if this is a range change (zoom/pan)
if (!eventData['xaxis.range[0]'] && !eventData['xaxis.range']) return;
// Get current visible range
const xRange = eventData['xaxis.range'] || [eventData['xaxis.range[0]'], eventData['xaxis.range[1]']];
if (!xRange || xRange.length !== 2) return;
const visibleStart = new Date(xRange[0]);
const visibleEnd = new Date(xRange[1]);
// Get data boundaries
const dataStart = new Date(chart.data.timestamps[0]);
const dataEnd = new Date(chart.data.timestamps[chart.data.timestamps.length - 1]);
// Calculate threshold (10% of visible range from edge)
const visibleRange = visibleEnd - visibleStart;
const threshold = visibleRange * 0.1;
// Check if we're near the left edge (need older data)
const nearLeftEdge = (visibleStart - dataStart) < threshold;
// Check if we're near the right edge (need newer data)
const nearRightEdge = (dataEnd - visibleEnd) < threshold;
console.log(`Relayout ${timeframe}: visible=${visibleStart.toISOString()} to ${visibleEnd.toISOString()}, data=${dataStart.toISOString()} to ${dataEnd.toISOString()}, nearLeft=${nearLeftEdge}, nearRight=${nearRightEdge}`);
// Load more data if near edges
if (nearLeftEdge) {
this.loadMoreData(timeframe, 'before', dataStart);
} else if (nearRightEdge) {
this.loadMoreData(timeframe, 'after', dataEnd);
}
}
/**
* Load more historical data for a timeframe
*/
async loadMoreData(timeframe, direction, referenceTime) {
const chart = this.charts[timeframe];
if (!chart) return;
// Prevent multiple simultaneous loads
if (chart.loading) {
console.log(`Already loading data for ${timeframe}, skipping...`);
return;
}
chart.loading = true;
this.showLoadingIndicator(timeframe, direction);
try {
// Fetch more candles - no limit, get as much as available
let startTime, endTime;
if (direction === 'before') {
// Load older data: get candles BEFORE the first candle we have
// Use the actual first timestamp from our data
const firstTimestamp = chart.data.timestamps[0];
endTime = new Date(firstTimestamp).toISOString();
startTime = null;
console.log(`Loading older data before ${endTime} for ${timeframe}`);
} else {
// Load newer data: get candles AFTER the last candle we have
// Use the actual last timestamp from our data
const lastTimestamp = chart.data.timestamps[chart.data.timestamps.length - 1];
startTime = new Date(lastTimestamp).toISOString();
endTime = null;
console.log(`Loading newer data after ${startTime} for ${timeframe}`);
}
// Fetch more data from backend (no limit - get all available)
const response = await fetch('/api/chart-data', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
symbol: window.appState?.currentSymbol || 'ETH/USDT',
timeframes: [timeframe],
start_time: startTime,
end_time: endTime,
limit: 1000, // Request 1000 candles at a time
direction: direction
})
});
const result = await response.json();
console.log(`📊 API Response for ${timeframe} ${direction}:`, {
success: result.success,
hasChartData: !!result.chart_data,
hasTimeframeData: result.chart_data ? !!result.chart_data[timeframe] : false,
dataLength: result.chart_data && result.chart_data[timeframe] ? result.chart_data[timeframe].timestamps.length : 0,
error: result.error
});
if (result.success && result.chart_data && result.chart_data[timeframe]) {
const newData = result.chart_data[timeframe];
// Check if we got any new data
if (newData.timestamps.length === 0) {
console.warn(`No more data available for ${timeframe} ${direction}`);
window.showWarning('No more historical data available');
return;
}
// Log data ranges for debugging
console.log(`📥 New data: ${newData.timestamps[0]} to ${newData.timestamps[newData.timestamps.length - 1]}`);
console.log(`📦 Existing: ${chart.data.timestamps[0]} to ${chart.data.timestamps[chart.data.timestamps.length - 1]}`);
// Merge with existing data
this.mergeChartData(timeframe, newData, direction);
console.log(` Loaded ${newData.timestamps.length} new candles for ${timeframe}`);
window.showSuccess(`Loaded ${newData.timestamps.length} more candles`);
} else {
console.warn(` No more data available for ${timeframe} ${direction}`);
console.warn('Full result:', result);
window.showWarning('No more historical data available');
}
} catch (error) {
console.error(`Error loading more data for ${timeframe}:`, error);
window.showError('Failed to load more data');
} finally {
chart.loading = false;
this.hideLoadingIndicator(timeframe);
}
}
/**
* Merge new data with existing chart data (with deduplication)
*/
mergeChartData(timeframe, newData, direction) {
const chart = this.charts[timeframe];
if (!chart || !chart.data) return;
const existingData = chart.data;
// Create a set of existing timestamps for deduplication
const existingTimestamps = new Set(existingData.timestamps);
// Filter out duplicate timestamps from new data
const uniqueIndices = [];
newData.timestamps.forEach((ts, idx) => {
if (!existingTimestamps.has(ts)) {
uniqueIndices.push(idx);
}
});
// If no unique data, nothing to merge
if (uniqueIndices.length === 0) {
console.log(`No unique data to merge for ${timeframe}`);
return;
}
// Extract only unique data points
const uniqueNewData = {
timestamps: uniqueIndices.map(i => newData.timestamps[i]),
open: uniqueIndices.map(i => newData.open[i]),
high: uniqueIndices.map(i => newData.high[i]),
low: uniqueIndices.map(i => newData.low[i]),
close: uniqueIndices.map(i => newData.close[i]),
volume: uniqueIndices.map(i => newData.volume[i]),
pivot_markers: newData.pivot_markers || {}
};
console.log(`Merging ${uniqueIndices.length} unique candles (filtered ${newData.timestamps.length - uniqueIndices.length} duplicates)`);
let mergedData;
if (direction === 'before') {
// Prepend older data
mergedData = {
timestamps: [...uniqueNewData.timestamps, ...existingData.timestamps],
open: [...uniqueNewData.open, ...existingData.open],
high: [...uniqueNewData.high, ...existingData.high],
low: [...uniqueNewData.low, ...existingData.low],
close: [...uniqueNewData.close, ...existingData.close],
volume: [...uniqueNewData.volume, ...existingData.volume],
pivot_markers: { ...uniqueNewData.pivot_markers, ...existingData.pivot_markers }
};
} else {
// Append newer data
mergedData = {
timestamps: [...existingData.timestamps, ...uniqueNewData.timestamps],
open: [...existingData.open, ...uniqueNewData.open],
high: [...existingData.high, ...uniqueNewData.high],
low: [...existingData.low, ...uniqueNewData.low],
close: [...existingData.close, ...uniqueNewData.close],
volume: [...existingData.volume, ...uniqueNewData.volume],
pivot_markers: { ...existingData.pivot_markers, ...uniqueNewData.pivot_markers }
};
}
// Update stored data
chart.data = mergedData;
// Recalculate pivot points for the merged data
this.recalculatePivots(timeframe, mergedData);
// Update the chart with merged data
this.updateSingleChart(timeframe, mergedData);
}
/**
* Recalculate pivot points for merged data
*/
async recalculatePivots(timeframe, data) {
try {
console.log(` Recalculating pivots for ${timeframe} with ${data.timestamps.length} candles...`);
const response = await fetch('/api/recalculate-pivots', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
symbol: window.appState?.currentSymbol || 'ETH/USDT',
timeframe: timeframe,
timestamps: data.timestamps,
ohlcv: {
open: data.open,
high: data.high,
low: data.low,
close: data.close,
volume: data.volume
}
})
});
const result = await response.json();
if (result.success && result.pivot_markers) {
// Update pivot markers in chart data
const chart = this.charts[timeframe];
if (chart && chart.data) {
chart.data.pivot_markers = result.pivot_markers;
console.log(` Pivots recalculated: ${Object.keys(result.pivot_markers).length} pivot candles`);
// Redraw the chart with updated pivots
this.redrawChartWithPivots(timeframe, chart.data);
}
} else {
console.warn('Failed to recalculate pivots:', result.error);
}
} catch (error) {
console.error(`Error recalculating pivots for ${timeframe}:`, error);
}
}
/**
* Redraw chart with updated pivot markers
*/
redrawChartWithPivots(timeframe, data) {
const chart = this.charts[timeframe];
if (!chart) return;
// Build pivot shapes and annotations
const shapes = [];
const annotations = [];
const pivotDots = {
x: [], y: [], text: [],
marker: { color: [], size: [], symbol: [] },
mode: 'markers',
hoverinfo: 'text',
showlegend: false
};
if (data.pivot_markers && Object.keys(data.pivot_markers).length > 0) {
const xMin = data.timestamps[0];
const xMax = data.timestamps[data.timestamps.length - 1];
// Process each timestamp that has pivot markers
Object.entries(data.pivot_markers).forEach(([timestamp, pivots]) => {
// Process high pivots
if (pivots.highs && pivots.highs.length > 0) {
pivots.highs.forEach(pivot => {
const color = this._getPivotColor(pivot.level, 'high');
pivotDots.x.push(timestamp);
pivotDots.y.push(pivot.price);
pivotDots.text.push(`L${pivot.level} High Pivot<br>Price: ${pivot.price.toFixed(2)}<br>Strength: ${(pivot.strength * 100).toFixed(0)}%`);
pivotDots.marker.color.push(color);
pivotDots.marker.size.push(this._getPivotMarkerSize(pivot.level));
pivotDots.marker.symbol.push('triangle-down');
if (pivot.is_last) {
shapes.push({
type: 'line',
x0: xMin, y0: pivot.price,
x1: xMax, y1: pivot.price,
line: { color: color, width: 1, dash: 'dash' },
layer: 'below'
});
annotations.push({
x: xMax, y: pivot.price,
text: `L${pivot.level}H`,
showarrow: false,
xanchor: 'left',
font: { size: 9, color: color },
bgcolor: '#1f2937',
borderpad: 2
});
}
});
}
// Process low pivots
if (pivots.lows && pivots.lows.length > 0) {
pivots.lows.forEach(pivot => {
const color = this._getPivotColor(pivot.level, 'low');
pivotDots.x.push(timestamp);
pivotDots.y.push(pivot.price);
pivotDots.text.push(`L${pivot.level} Low Pivot<br>Price: ${pivot.price.toFixed(2)}<br>Strength: ${(pivot.strength * 100).toFixed(0)}%`);
pivotDots.marker.color.push(color);
pivotDots.marker.size.push(this._getPivotMarkerSize(pivot.level));
pivotDots.marker.symbol.push('triangle-up');
if (pivot.is_last) {
shapes.push({
type: 'line',
x0: xMin, y0: pivot.price,
x1: xMax, y1: pivot.price,
line: { color: color, width: 1, dash: 'dash' },
layer: 'below'
});
annotations.push({
x: xMax, y: pivot.price,
text: `L${pivot.level}L`,
showarrow: false,
xanchor: 'left',
font: { size: 9, color: color },
bgcolor: '#1f2937',
borderpad: 2
});
}
});
}
});
}
// Update chart layout with new pivots
Plotly.relayout(chart.plotId, {
shapes: shapes,
annotations: annotations
});
// Update pivot dots trace
if (pivotDots.x.length > 0) {
Plotly.restyle(chart.plotId, {
x: [pivotDots.x],
y: [pivotDots.y],
text: [pivotDots.text],
'marker.color': [pivotDots.marker.color],
'marker.size': [pivotDots.marker.size],
'marker.symbol': [pivotDots.marker.symbol]
}, [2]); // Trace index 2 is pivot dots
}
console.log(`🎨 Redrawn ${timeframe} chart with updated pivots`);
}
/**
* Update a single chart with new data
*/
updateSingleChart(timeframe, data) {
const chart = this.charts[timeframe];
if (!chart) return;
const plotId = chart.plotId;
// Create volume colors
const volumeColors = data.close.map((close, i) => {
if (i === 0) return '#3b82f6';
return close >= data.open[i] ? '#10b981' : '#ef4444';
});
// Update traces
const update = {
x: [data.timestamps, data.timestamps],
open: [data.open],
high: [data.high],
low: [data.low],
close: [data.close],
y: [undefined, data.volume],
'marker.color': [undefined, volumeColors]
};
Plotly.restyle(plotId, update, [0, 1]);
console.log(`Updated ${timeframe} chart with ${data.timestamps.length} candles`);
}
/**
* Show loading indicator on chart
*/
showLoadingIndicator(timeframe, direction) {
const chart = this.charts[timeframe];
if (!chart) return;
const plotElement = chart.element;
const loadingDiv = document.createElement('div');
loadingDiv.id = `loading-${timeframe}`;
loadingDiv.className = 'chart-loading-indicator';
loadingDiv.innerHTML = `
<div class="spinner-border spinner-border-sm text-primary" role="status">
<span class="visually-hidden">Loading...</span>
</div>
<span class="ms-2">Loading ${direction === 'before' ? 'older' : 'newer'} data...</span>
`;
loadingDiv.style.cssText = `
position: absolute;
top: 10px;
${direction === 'before' ? 'left' : 'right'}: 10px;
background: rgba(31, 41, 55, 0.9);
color: #f8f9fa;
padding: 8px 12px;
border-radius: 4px;
font-size: 12px;
z-index: 1000;
display: flex;
align-items: center;
`;
plotElement.parentElement.style.position = 'relative';
plotElement.parentElement.appendChild(loadingDiv);
}
/**
* Hide loading indicator
*/
hideLoadingIndicator(timeframe) {
const loadingDiv = document.getElementById(`loading-${timeframe}`);
if (loadingDiv) {
loadingDiv.remove();
}
}
}