Files
btc-trading/src/api/dashboard/static/js/ui/indicators-panel-new.js
DiTus 3602a572a5 Fix duplicate function declaration error
Changed export const addIndicator = addIndicator to export { addIndicator }
Since addIndicator was already declared as a function, using export const
to redeclare it caused a duplicate declaration error.
2026-02-25 23:04:53 +01:00

885 lines
32 KiB
JavaScript
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import { getAvailableIndicators, IndicatorRegistry as IR } from '../indicators/index.js';
// State management
let activeIndicators = [];
let configuringId = null;
let searchQuery = '';
let selectedCategory = 'all';
let nextInstanceId = 1;
let listenersAttached = false; // Single flag to track if any listeners are attached
// Chart pane management
let indicatorPanes = new Map();
let nextPaneIndex = 1;
// Presets storage
let userPresets = JSON.parse(localStorage.getItem('indicator_presets') || '{}');
// Categories
const CATEGORIES = [
{ id: 'all', name: 'All Indicators', icon: '📊' },
{ id: 'trend', name: 'Trend', icon: '📊' },
{ id: 'momentum', name: 'Momentum', icon: '📈' },
{ id: 'volatility', name: 'Volatility', icon: '📉' },
{ id: 'volume', name: 'Volume', icon: '🔀' },
{ id: 'favorites', name: 'Favorites', icon: '★' }
];
const CATEGORY_MAP = {
sma: 'trend', ema: 'trend', hts: 'trend',
rsi: 'momentum', macd: 'momentum', stoch: 'momentum',
bb: 'volatility', atr: 'volatility',
others: 'volume'
};
const DEFAULT_COLORS = ['#2962ff', '#26a69a', '#ef5350', '#ff9800', '#9c27b0', '#00bcd4', '#ffeb3b', '#e91e63'];
const LINE_TYPES = ['solid', 'dotted', 'dashed'];
function getDefaultColor(index) {
return DEFAULT_COLORS[index % DEFAULT_COLORS.length];
}
function getIndicatorCategory(indicator) {
return CATEGORY_MAP[indicator.type] || 'trend';
}
function getIndicatorLabel(indicator) {
const meta = getIndicatorMeta(indicator);
if (!meta) return indicator.name;
const paramParts = meta.inputs.map(input => {
const val = indicator.params[input.name];
if (val !== undefined && val !== input.default) return val;
return null;
}).filter(v => v !== null);
if (paramParts.length > 0) {
return `${indicator.name} (${paramParts.join(', ')})`;
}
return indicator.name;
}
function getIndicatorMeta(indicator) {
const IndicatorClass = IR?.[indicator.type];
if (!IndicatorClass) return null;
const instance = new IndicatorClass({ type: indicator.type, params: indicator.params, name: indicator.name });
return instance.getMetadata();
}
function groupPlotsByColor(plots) {
const groups = {};
plots.forEach((plot, idx) => {
const groupMap = {
'fast': 'Fast', 'slow': 'Slow', 'upper': 'Upper', 'lower': 'Lower',
'middle': 'Middle', 'basis': 'Middle', 'signal': 'Signal',
'histogram': 'Histogram', 'k': '%K', 'd': '%D'
};
const groupName = Object.entries(groupMap).find(([k, v]) => plot.id.toLowerCase().includes(k))?.[1] || plot.id;
if (!groups[groupName]) {
groups[groupName] = { name: groupName, indices: [], plots: [] };
}
groups[groupName].indices.push(idx);
groups[groupName].plots.push(plot);
});
return Object.values(groups);
}
export function initIndicatorPanel() {
console.log('[IndicatorPanel] Initializing...');
renderIndicatorPanel();
console.log('[IndicatorPanel] Initialized');
}
export function getActiveIndicators() {
return activeIndicators;
}
export function setActiveIndicators(indicators) {
activeIndicators = indicators;
renderIndicatorPanel();
}
// Render main panel
export function renderIndicatorPanel() {
const container = document.getElementById('indicatorPanel');
if (!container) {
console.error('[IndicatorPanel] Container #indicatorPanel not found!');
return;
}
console.log('[IndicatorPanel] Rendering panel, searchQuery:', searchQuery, 'selectedCategory:', selectedCategory);
const available = getAvailableIndicators();
const catalog = available.filter(ind => {
if (searchQuery && !ind.name.toLowerCase().includes(searchQuery.toLowerCase())) return false;
if (selectedCategory === 'all') return true;
if (selectedCategory === 'favorites') return false;
const cat = CATEGORY_MAP[ind.type] || 'trend';
return cat === selectedCategory;
});
console.log("[IndicatorPanel] Total indicators:", available.length, "Filtered to:", catalog.length);
const favoriteIds = new Set(userPresets.favorites || []);
container.innerHTML = `
<div class="indicator-panel">
<!-- Search Bar -->
<div class="indicator-search">
<span class="search-icon">🔍</span>
<input
type="text"
id="indicatorSearch"
placeholder="Search indicators..."
value="${searchQuery}"
autocomplete="off"
>
${searchQuery ? `<button class="search-clear">×</button>` : ''}
</div>
<!-- Categories -->
<div class="category-tabs">
${CATEGORIES.map(cat => `
<button class="category-tab ${selectedCategory === cat.id ? 'active' : ''}" data-category="${cat.id}">
${cat.icon} ${cat.name}
</button>
`).join('')}
</div>
<!-- Favorites (if any) -->
${[...favoriteIds].length > 0 ? `
<div class="indicator-section favorites">
<div class="section-title">★ Favorites</div>
${[...favoriteIds].map(id => {
const ind = available.find(a => {
return a.type === id || (activeIndicators.find(ai => ai.id === id)?.type === '');
});
if (!ind) return '';
return renderIndicatorItem(ind, true);
}).join('')}
</div>
` : ''}
<!-- Active Indicators -->
${activeIndicators.length > 0 ? `
<div class="indicator-section active">
<div class="section-title">
${activeIndicators.length} Active
${activeIndicators.length > 0 ? `<button class="clear-all">Clear All</button>` : ''}
</div>
${activeIndicators.slice().reverse().map(ind => renderActiveIndicator(ind)).join('')}
</div>
` : ''}
<!-- Available Indicators -->
${catalog.length > 0 ? `
<div class="indicator-section catalog">
<div class="section-title">Available Indicators</div>
${catalog.map(ind => renderIndicatorItem(ind, false)).join('')}
</div>
` : `
<div class="no-results">
No indicators found
</div>
`}
</div>
`;
// Only setup event listeners once
if (!listenersAttached) {
setupEventListeners();
listenersAttached = true;
}
}
function renderIndicatorItem(indicator, isFavorite) {
const colorDots = '';
return `
<div class="indicator-item ${isFavorite ? 'favorite' : ''}" data-type="${indicator.type}">
<div class="indicator-item-main">
<span class="indicator-name">${indicator.name}</span>
<span class="indicator-desc">${indicator.description || ''}</span>
</div>
<div class="indicator-actions">
<button class="indicator-btn add" data-type="${indicator.type}" title="Add to chart">+</button>
${isFavorite ? '' : `
<button class="indicator-btn favorite" data-type="${indicator.type}" title="Add to favorites">
${userPresets.favorites?.includes(indicator.type) ? '★' : '☆'}
</button>
`}
</div>
</div>
`;
}
function renderActiveIndicator(indicator) {
const isExpanded = configuringId === indicator.id;
const meta = getIndicatorMeta(indicator);
const label = getIndicatorLabel(indicator);
const isFavorite = userPresets.favorites?.includes(indicator.type) || false;
const showPresets = meta.name && function() {
const hasPresets = typeof getPresetsForIndicator === 'function' ? getPresetsForIndicator(meta.name) : [];
if (!hasPresets || hasPresets.length === 0) return '';
return `<div class="indicator-presets">
<button class="preset-indicator" title="${hasPresets.length} saved presets">💾</button>
</div>`;
}();
return `
<div class="indicator-item active ${isExpanded ? 'expanded' : ''}" data-id="${indicator.id}">
<div class="indicator-item-main" onclick="window.toggleIndicatorExpand && window.toggleIndicatorExpand('${indicator.id}');">
<div class="drag-handle" title="Drag to reorder">⋮⋮</div>
<button class="indicator-btn visible" onclick="event.stopPropagation(); window.toggleIndicatorVisibility && window.toggleIndicatorVisibility('${indicator.id}')" title="${indicator.visible !== false ? 'Hide' : 'Show'}">
${indicator.visible !== false ? '👁' : '👁‍🗨'}
</button>
<span class="indicator-name">${label}</span>
${showPresets}
<button class="indicator-btn favorite" onclick="event.stopPropagation(); window.toggleFavorite && window.toggleFavorite('${indicator.type}')" title="Add to favorites">
${isFavorite ? '★' : '☆'}
</button>
<button class="indicator-btn expand ${isExpanded ? 'rotated' : ''}" title="Show settings">
${isExpanded ? '▼' : '▶'}
</button>
</div>
${isExpanded ? `
<div class="indicator-config">
${typeof renderIndicatorConfig === 'function' ? renderIndicatorConfig(indicator, meta) : ''}
</div>
` : ''}
</div>
`;
}
function renderPresetIndicatorIndicator(meta, indicator) {
const hasPresets = typeof getPresetsForIndicator === 'function' ? getPresetsForIndicator(meta.name) : [];
if (!hasPresets || hasPresets.length === 0) return '';
return `<button class="preset-indicator" title="${hasPresets.length} saved presets" onclick="event.stopPropagation(); window.showPresets && window.showPresets('${meta.name}')">💾</button>`;
}
function renderIndicatorConfig(indicator, meta) {
const plotGroups = groupPlotsByColor(meta?.plots || []);
return `
<div class="config-sections">
<!-- Colors -->
<div class="config-section">
<div class="section-subtitle">Visual Settings</div>
${plotGroups.map(group => {
const firstIdx = group.indices[0];
const color = indicator.params[`_color_${firstIdx}`] || meta.plots[firstIdx]?.color || getDefaultColor(activeIndicators.indexOf(indicator));
return `
<div class="config-row">
<label>${group.name} Color</label>
<div class="color-picker">
<input type="color" id="color_${indicator.id}_${firstIdx}" value="${color}">
<span class="color-preview" style="background: ${color};"></span>
</div>
</div>
`;
}).join('')}
<div class="config-row">
<label>Line Type</label>
<select onchange="window.updateIndicatorSetting && window.updateIndicatorSetting('${indicator.id}', '_lineType', this.value)">
${LINE_TYPES.map(lt => `<option value="${lt}" ${indicator.params._lineType === lt ? 'selected' : ''}>${lt.charAt(0).toUpperCase() + lt.slice(1)}</option>`).join('')}
</select>
</div>
<div class="config-row">
<label>Line Width</label>
<input type="range" min="1" max="5" value="${indicator.params._lineWidth || 2}" onchange="window.updateIndicatorSetting && window.updateIndicatorSetting('${indicator.id}', '_lineWidth', parseInt(this.value))">
<span class="range-value">${indicator.params._lineWidth || 2}</span>
</div>
</div>
${meta?.inputs && meta.inputs.length > 0 ? `
<div class="config-section">
<div class="section-subtitle">Parameters</div>
${meta.inputs.map(input => `
<div class="config-row">
<label>${input.label}</label>
${input.type === 'select' ?
`<select onchange="window.updateIndicatorSetting && window.updateIndicatorSetting('${indicator.id}', '${input.name}', this.value)">
${input.options.map(o => `<option value="${o}" ${indicator.params[input.name] === o ? 'selected' : ''}>${o}</option>`).join('')}
</select>` :
`<input
type="number"
value="${indicator.params[input.name]}"
${input.min !== undefined ? `min="${input.min}"` : ''}
${input.max !== undefined ? `max="${input.max}"` : ''}
${input.step !== undefined ? `step="${input.step}"` : ''}
onchange="window.updateIndicatorSetting && window.updateIndicatorSetting('${indicator.id}', '${input.name}', parseFloat(this.value))"
>`
}
</div>
`).join('')}
</div>
` : ''}
<div class="config-section">
<div class="section-subtitle">
Presets
<button class="preset-action-btn" onclick="window.savePreset && window.savePreset('${indicator.id}')">+ Save Preset</button>
</div>
${typeof renderIndicatorPresets === 'function' ? renderIndicatorPresets(indicator, meta) : ''}
</div>
<div class="config-actions">
<button class="btn-secondary" onclick="window.resetIndicator && window.resetIndicator('${indicator.id}')">Reset to Defaults</button>
<button class="btn-danger" onclick="window.removeIndicator && window.removeIndicator('${indicator.id}')">Remove</button>
</div>
</div>
`;
}
function renderIndicatorPresets(indicator, meta) {
const presets = typeof getPresetsForIndicator === 'function' ? getPresetsForIndicator(meta.name) : [];
return presets.length > 0 ? `
<div class="presets-list">
${presets.map(p => {
const isApplied = meta.inputs.every(input =>
(indicator.params[input.name] === (preset.values?.[input.name] ?? input.default))
);
return `
<div class="preset-item ${isApplied ? 'applied' : ''}" data-preset="${preset.id}">
<span class="preset-label" onclick="window.applyPreset && window.applyPreset('${indicator.id}', '${preset.id}')">${preset.name}</span>
<button class="preset-delete" onclick="window.deletePreset && window.deletePreset('${preset.id}')">×</button>
</div>
`;
}).join('')}
</div>
` : '<div class="no-presets">No saved presets</div>';
}
// Event listeners
function setupEventListeners() {
const container = document.getElementById('indicatorPanel');
if (!container) return;
console.log('[IndicatorPanel] Setting up event listeners...');
// Single event delegation handler for add button
container.addEventListener('click', (e) => {
const addBtn = e.target.closest('.indicator-btn.add');
if (addBtn) {
e.stopPropagation();
const type = addBtn.dataset.type;
if (type && window.addIndicator) {
console.log('[IndicatorPanel] Adding indicator:', type);
window.addIndicator(type);
}
return;
}
// Expand/collapse button
const expandBtn = e.target.closest('.indicator-btn.expand');
if (expandBtn) {
e.stopPropagation();
const id = expandBtn.dataset.id;
if (id && window.toggleIndicatorExpand) {
window.toggleIndicatorExpand(id);
}
return;
}
// Remove button
const removeBtn = e.target.closest('.indicator-btn.remove');
if (removeBtn) {
e.stopPropagation();
const id = removeBtn.dataset.id;
if (id && window.removeIndicatorById) {
window.removeIndicatorById(id);
}
return;
}
// Favorite button
const favoriteBtn = e.target.closest('.indicator-btn.favorite');
if (favoriteBtn) {
e.stopPropagation();
const type = favoriteBtn.dataset.type;
if (type && window.toggleFavorite) {
window.toggleFavorite(type);
}
return;
}
});
// Search input
const searchInput = document.getElementById('indicatorSearch');
if (searchInput) {
searchInput.addEventListener('input', (e) => {
searchQuery = e.target.value;
renderIndicatorPanel();
});
}
// Search clear button
const searchClear = container.querySelector('.search-clear');
if (searchClear) {
searchClear.addEventListener('click', (e) => {
searchQuery = '';
renderIndicatorPanel();
});
}
// Category tabs
document.querySelectorAll('.category-tab').forEach(tab => {
tab.addEventListener('click', (e) => {
selectedCategory = tab.dataset.category;
renderIndicatorPanel();
});
});
// Clear all button
const clearAllBtn = container.querySelector('.clear-all');
if (clearAllBtn) {
clearAllBtn.addEventListener('click', () => {
window.clearAllIndicators();
});
}
console.log('[IndicatorPanel] Event listeners setup complete');
}
// Actions
window.clearSearch = function() {
searchQuery = '';
renderIndicatorPanel();
};
window.clearAllIndicators = function() {
activeIndicators.forEach(ind => {
ind.series?.forEach(s => {
try { window.dashboard?.chart?.removeSeries(s); } catch(e) {}
});
});
activeIndicators = [];
configuringId = null;
renderIndicatorPanel();
drawIndicatorsOnChart();
};
function addIndicator(type) {
const IndicatorClass = IR?.[type];
if (!IndicatorClass) return;
const id = `${type}_${nextInstanceId++}`;
const instance = new IndicatorClass({ type, params: {}, name: '' });
const metadata = instance.getMetadata();
const params = {
_lineType: 'solid',
_lineWidth: 2
};
metadata.plots.forEach((plot, idx) => {
params[`_color_${idx}`] = plot.color || getDefaultColor(activeIndicators.length + idx);
});
metadata.inputs.forEach(input => {
params[input.name] = input.default;
});
activeIndicators.push({
id,
type,
name: metadata.name,
params,
plots: metadata.plots,
series: [],
visible: true
});
configuringId = id;
renderIndicatorPanel();
drawIndicatorsOnChart();
}
window.toggleIndicatorExpand = function(id) {
configuringId = configuringId === id ? null : id;
renderIndicatorPanel();
};
window.toggleIndicatorVisibility = function(id) {
const indicator = activeIndicators.find(a => a.id === id);
if (!indicator) return;
indicator.visible = indicator.visible === false ? true : false;
indicator.series?.forEach(s => {
try {
s.applyOptions({ visible: indicator.visible });
} catch(e) {}
});
renderIndicatorPanel();
};
window.toggleFavorite = function(type) {
if (!userPresets) userPresets = {};
if (!userPresets.favorites) userPresets.favorites = [];
const favorites = userPresets.favorites;
const idx = favorites.indexOf(type);
if (idx >= 0) {
favorites.splice(idx, 1);
} else {
favorites.push(type);
}
userPresets.favorites = favorites;
saveUserPresets();
renderIndicatorPanel();
};
window.updateIndicatorColor = function(id, index, color) {
const indicator = activeIndicators.find(a => a.id === id);
if (!indicator) return;
indicator.params[`_color_${index}`] = color;
const preview = document.querySelector(`#color_${id}_${index} + .color-preview`);
if (preview) {
preview.style.background = color;
}
drawIndicatorsOnChart();
};
window.updateIndicatorSetting = function(id, key, value) {
const indicator = activeIndicators.find(a => a.id === id);
if (!indicator) return;
indicator.params[key] = value;
drawIndicatorsOnChart();
};
window.resetIndicator = function(id) {
const indicator = activeIndicators.find(a => a.id === id);
if (!indicator) return;
const IndicatorClass = IR?.[indicator.type];
if (!IndicatorClass) return;
const instance = new IndicatorClass({ type: indicator.type, params: {}, name: indicator.name });
const meta = instance.getMetadata();
meta.inputs.forEach(input => {
indicator.params[input.name] = input.default;
});
renderIndicatorPanel();
drawIndicatorsOnChart();
};
window.removeIndicator = function() {
if (!configuringId) return;
removeIndicatorById(configuringId);
};
window.removeIndicatorById = function(id) {
const idx = activeIndicators.findIndex(a => a.id === id);
if (idx < 0) return;
activeIndicators[idx].series?.forEach(s => {
try { window.dashboard?.chart?.removeSeries(s); } catch(e) {}
});
activeIndicators.splice(idx, 1);
if (configuringId === id) {
configuringId = null;
}
renderIndicatorPanel();
drawIndicatorsOnChart();
};
function removeIndicatorByIndex(index) {
if (index < 0 || index >= activeIndicators.length) return;
removeIndicatorById(activeIndicators[index].id);
}
// Presets
function getPresetsForIndicator(indicatorName) {
if (!userPresets || !userPresets.presets) return [];
return userPresets.presets.filter(p => p.indicatorName === indicatorName);
}
window.savePreset = function(id) {
const indicator = activeIndicators.find(a => a.id === id);
if (!indicator) return;
const presetName = prompt('Enter preset name:');
if (!presetName) return;
const IndicatorClass = IR?.[indicator.type];
if (!IndicatorClass) return;
const instance = new IndicatorClass({ type: indicator.type, params: indicator.params, name: indicator.name });
const meta = instance.getMetadata();
const preset = {
id: `preset_${Date.now()}`,
name: presetName,
indicatorName: meta.name,
values: {}
};
meta.inputs.forEach(input => {
preset.values[input.name] = indicator.params[input.name];
});
if (!userPresets.presets) userPresets.presets = [];
userPresets.presets.push(preset);
saveUserPresets();
renderIndicatorPanel();
alert(`Preset "${presetName}" saved!`);
};
window.applyPreset = function(id, presetId) {
const allPresets = (userPresets?.presets || []).filter(p => typeof p === 'object' && p.id);
const preset = allPresets.find(p => p.id === presetId);
if (!preset) return;
const indicator = activeIndicators.find(a => a.id === id);
if (!indicator) return;
Object.keys(preset.values).forEach(key => {
indicator.params[key] = preset.values[key];
});
renderIndicatorPanel();
drawIndicatorsOnChart();
};
window.deletePreset = function(presetId) {
if (!confirm('Delete this preset?')) return;
if (userPresets?.presets) {
userPresets.presets = userPresets.presets.filter(p => p.id !== presetId);
saveUserPresets();
renderIndicatorPanel();
}
};
window.showPresets = function(indicatorName) {
const presets = getPresetsForIndicator(indicatorName);
if (presets.length === 0) {
alert('No saved presets for this indicator');
return;
}
const menu = window.open('', '_blank', 'width=400,height=500');
let htmlContent =
'<html><head><title>Presets - ' + indicatorName + '</title><style>' +
'body { font-family: sans-serif; padding: 20px; background: #1e222d; color: #d1d4dc; }' +
'.preset { padding: 10px; margin: 5px; background: #131722; border-radius: 4px; }' +
'.preset:hover { background: #2a2e39; cursor: pointer; }' +
'</style></head><body>' +
'<h3>' + indicatorName + ' Presets</h3>';
presets.forEach(p => {
htmlContent += '<div class="preset" onclick="opener.applyPresetFromWindow(' + "'" + p.id + "'" + ')">' + p.name + '</div>';
});
htmlContent += '</body></html>';
menu.document.write(htmlContent);
};
window.applyPresetFromWindow = function(presetId) {
const indicator = activeIndicators.find(a => a.id === configuringId);
if (!indicator) return;
applyPreset(indicator.id, presetId);
};
function saveUserPresets() {
localStorage.setItem('indicator_presets', JSON.stringify(userPresets));
}
function renderIndicatorOnPane(indicator, meta, instance, candles, paneIndex, lineStyleMap) {
const results = instance.calculate(candles);
indicator.series = [];
const lineStyle = lineStyleMap[indicator.params._lineType] || LightweightCharts.LineStyle.Solid;
const lineWidth = indicator.params._lineWidth || 2;
const firstNonNull = results?.find(r => r !== null && r !== undefined);
const isObjectResult = firstNonNull && typeof firstNonNull === 'object';
meta.plots.forEach((plot, plotIdx) => {
if (isObjectResult) {
const hasData = results.some(r => r && r[plot.id] !== undefined && r[plot.id] !== null);
if (!hasData) return;
}
const plotColor = indicator.params[`_color_${plotIdx}`] || plot.color || '#2962ff';
const data = [];
for (let i = 0; i < candles.length; i++) {
let value;
if (isObjectResult) {
value = results[i]?.[plot.id];
} else {
value = results[i];
}
if (value !== null && value !== undefined) {
data.push({
time: candles[i].time,
value: value
});
}
}
if (data.length === 0) return;
let series;
let plotLineStyle = lineStyle;
if (plot.style === 'dashed') plotLineStyle = LightweightCharts.LineStyle.Dashed;
else if (plot.style === 'dotted') plotLineStyle = LightweightCharts.LineStyle.Dotted;
else if (plot.style === 'solid') plotLineStyle = LightweightCharts.LineStyle.Solid;
if (plot.type === 'histogram') {
series = window.dashboard.chart.addSeries(LightweightCharts.HistogramSeries, {
color: plotColor,
priceFormat: { type: 'price', precision: 4, minMove: 0.0001 },
priceLineVisible: false,
lastValueVisible: false
}, paneIndex);
} else if (plot.type === 'baseline') {
series = window.dashboard.chart.addSeries(LightweightCharts.BaselineSeries, {
baseValue: { type: 'price', price: plot.baseValue || 0 },
topLineColor: plot.topLineColor || plotColor,
topFillColor1: plot.topFillColor1 || plotColor,
topFillColor2: '#00000000',
bottomFillColor1: '#00000000',
bottomColor: plot.bottomColor || '#00000000',
lineWidth: plot.width !== undefined ? plot.width : lineWidth,
lineStyle: plotLineStyle,
title: plot.title || '',
priceLineVisible: false,
lastValueVisible: plot.lastValueVisible !== false
}, paneIndex);
} else {
series = window.dashboard.chart.addSeries(LightweightCharts.LineSeries, {
color: plotColor,
lineWidth: plot.width !== undefined ? plot.width : lineWidth,
lineStyle: plotLineStyle,
title: plot.title || '',
priceLineVisible: false,
lastValueVisible: plot.lastValueVisible !== false
}, paneIndex);
}
series.setData(data);
indicator.series.push(series);
});
}
// Chart drawing
export function drawIndicatorsOnChart() {
if (!window.dashboard || !window.dashboard.chart) return;
activeIndicators.forEach(ind => {
ind.series?.forEach(s => {
try { window.dashboard.chart.removeSeries(s); } catch(e) {}
});
});
const candles = window.dashboard.allData.get(window.dashboard.currentInterval);
if (!candles || candles.length === 0) return;
const lineStyleMap = {
'solid': LightweightCharts.LineStyle.Solid,
'dotted': LightweightCharts.LineStyle.Dotted,
'dashed': LightweightCharts.LineStyle.Dashed
};
indicatorPanes.clear();
nextPaneIndex = 1;
const overlayIndicators = [];
const paneIndicators = [];
activeIndicators.forEach(ind => {
const IndicatorClass = IR?.[ind.type];
if (!IndicatorClass) return;
const instance = new IndicatorClass({ type: ind.type, params: ind.params, name: ind.name });
const meta = instance.getMetadata();
if (meta.displayMode === 'pane') {
paneIndicators.push({ indicator: ind, meta, instance });
} else {
overlayIndicators.push({ indicator: ind, meta, instance });
}
});
const totalPanes = 1 + paneIndicators.length;
const mainPaneHeight = paneIndicators.length > 0 ? 60 : 100;
const paneHeight = paneIndicators.length > 0 ? Math.floor(40 / paneIndicators.length) : 0;
window.dashboard.chart.panes()[0]?.setHeight(mainPaneHeight);
overlayIndicators.forEach(({ indicator, meta, instance }) => {
if (indicator.visible === false) {
indicator.series = [];
return;
}
renderIndicatorOnPane(indicator, meta, instance, candles, 0, lineStyleMap);
});
paneIndicators.forEach(({ indicator, meta, instance }, idx) => {
if (indicator.visible === false) {
indicator.series = [];
return;
}
const paneIndex = nextPaneIndex++;
indicatorPanes.set(indicator.id, paneIndex);
renderIndicatorOnPane(indicator, meta, instance, candles, paneIndex, lineStyleMap);
const pane = window.dashboard.chart.panes()[paneIndex];
if (pane) {
pane.setHeight(paneHeight);
}
});
}
// Export functions for module access
export { addIndicator, removeIndicatorById, removeIndicatorByIndex };
// Legacy compatibility functions
window.renderIndicatorList = renderIndicatorPanel;
window.toggleIndicator = addIndicator;
window.showIndicatorConfig = function(id) {
const ind = activeIndicators.find(a => a.id === id);
if (ind) configuringId = id;
renderIndicatorPanel();
};
window.applyIndicatorConfig = function() {
// No-op - config is applied immediately
};
// Assign to window for backward compatibility
window.addIndicator = addIndicator;
window.toggleIndicator = addIndicator;
window.removeIndicatorById = removeIndicatorById;
window.removeIndicatorByIndex = removeIndicatorByIndexWindow;
const removeIndicatorByIndexWindow = function(index) {
if (index < 0 || index >= activeIndicators.length) return;
removeIndicatorById(activeIndicators[index].id);
};
window.removeIndicatorByIndex = removeIndicatorByIndexWindow;
window.drawIndicatorsOnChart = drawIndicatorsOnChart;