513 lines
27 KiB
JavaScript
513 lines
27 KiB
JavaScript
function encodeChartSpec(series) {
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try {
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const raw = JSON.stringify(series || []);
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return btoa(raw).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
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} catch (_) { return ''; }
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}
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function decodeChartSpec(encoded) {
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try {
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const padded = String(encoded || '').replace(/-/g, '+').replace(/_/g, '/').padEnd(Math.ceil(String(encoded || '').length / 4) * 4, '=');
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const value = JSON.parse(atob(padded));
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return Array.isArray(value) ? value.filter(item => typeof item === 'string').slice(0, 16) : [];
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} catch (_) { return []; }
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}
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function historyEntityOptions() {
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const zones = app.zones.map(zone => `<option value="${esc(zone.id)}">${esc(zone.name)}</option>`).join('');
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const devices = app.devices.map(device => `<option value="${esc(device.id)}">${esc(device.name)}</option>`).join('');
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const entities = [...new Set([
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...app.historyData.sensors.map(row => row.entity_id),
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...app.zones.map(zone => zone.ha_entity_id).filter(Boolean),
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app.settings?.home_assistant?.outdoor_entity_id,
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].filter(Boolean))].sort();
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const sensors = entities.map(entity => `<option value="${esc(entity)}">${esc(haSensorLabel(entity))}</option>`).join('');
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return { zones, devices, sensors, entities };
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}
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function renderHistoryNavigation() {
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$$('#historyTabs [data-history-tab]').forEach(button => button.classList.toggle('active', button.dataset.historyTab === app.historyTab));
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const host = $('#historyContextControls'); if (!host) return;
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const options = historyEntityOptions();
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if (app.historyTab === 'zones') {
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host.innerHTML = `<label><span>${esc(tr('common.zone'))}</span><select id="historyZoneSelect"><option value="all">${esc(tr('history.allZones'))}</option>${options.zones}</select></label>`;
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const select = $('#historyZoneSelect'); if ([...select.options].some(option => option.value === app.historyZone)) select.value = app.historyZone;
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} else if (app.historyTab === 'devices') {
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host.innerHTML = `<label><span>${esc(tr('common.device'))}</span><select id="historyDeviceSelect"><option value="all">${esc(tr('history.allDevices'))}</option>${options.devices}</select></label>`;
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const select = $('#historyDeviceSelect'); if ([...select.options].some(option => option.value === app.historyDevice)) select.value = app.historyDevice;
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} else if (app.historyTab === 'energy') {
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const energyDevices = app.devices.filter(device => device.capabilities?.energy_meter === true || !!device.ha_energy_entity_id);
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if (!app.historyEnergyDevice && energyDevices.length) app.historyEnergyDevice = energyDevices[0].id;
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const deviceOptions = energyDevices.map(device => `<option value="${esc(device.id)}">${esc(device.name)} · ${esc(deviceTransportLabel(device))}</option>`).join('');
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host.innerHTML = energyDevices.length
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? `<label><span>${esc(tr('common.device'))}</span><select id="historyEnergyDeviceSelect">${deviceOptions}</select></label><label><span>${esc(tr('history.bucket'))}</span><select id="historyEnergyInterval"><option value="hourly">${esc(tr('energy.hourly'))}</option><option value="daily">${esc(tr('energy.daily'))}</option><option value="monthly">${esc(tr('energy.monthly'))}</option></select></label>`
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: `<span class="history-context-hint">${esc(tr('energy.noData'))}</span>`;
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const deviceSelect = $('#historyEnergyDeviceSelect'); if (deviceSelect && [...deviceSelect.options].some(option => option.value === app.historyEnergyDevice)) deviceSelect.value = app.historyEnergyDevice;
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const intervalSelect = $('#historyEnergyInterval'); if (intervalSelect) intervalSelect.value = app.historyEnergyInterval;
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} else if (app.historyTab === 'sensors') {
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host.innerHTML = `<label><span>${esc(tr('history.haSensor'))}</span><select id="historySensorSelect"><option value="all">${esc(tr('history.allSensors'))}</option>${options.sensors}</select></label>`;
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const select = $('#historySensorSelect'); if ([...select.options].some(option => option.value === app.historySensor)) select.value = app.historySensor;
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} else if (app.historyTab === 'custom') {
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host.innerHTML = `<span class="history-context-hint">${esc(tr('history.customHint'))}</span>`;
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} else {
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host.innerHTML = `<span class="history-context-hint">${esc(tr('history.overviewHint'))}</span>`;
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}
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}
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async function loadHistory() {
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if (app.historyLoading) return;
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app.historyLoading = true;
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const hours = $('#historyHours')?.value || '24';
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try {
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if (app.historyTab === 'energy') {
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await loadEnergyHistory();
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renderHistoryNavigation();
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renderHistoryPage();
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if (app.currentView === 'history') updateBrowserUrl(currentHistoryPath(), true);
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return;
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}
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const data = await api(`/api/history?scope=overview&hours=${encodeURIComponent(hours)}&limit=20000`);
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app.historyData = { zones: data.zones || [], devices: data.devices || [], sensors: data.sensors || [] };
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app.historyCounts = data.counts || {};
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renderHistoryNavigation();
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renderHistoryPage();
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if (app.currentView === 'history') updateBrowserUrl(currentHistoryPath(), true);
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} catch (error) {
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toast(error.message, true);
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renderHistoryPage();
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} finally { app.historyLoading = false; }
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}
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const HISTORY_COLORS = ['--accent', '--info', '--warning', '--purple', '--danger', '--teal', '--orange', '--blue'];
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const MAX_CHART_ZOOM = 16;
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const chartRuntime = new Map();
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function chartSeriesKey(item, index) {
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return item.key || `${index}:${item.label}`;
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}
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function isChartSeriesHidden(chartId, item, index) {
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return !!app.chartHiddenSeries[chartId]?.[chartSeriesKey(item, index)];
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}
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function setChartSeriesHidden(chartId, item, index, hidden) {
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if (!app.chartHiddenSeries[chartId]) app.chartHiddenSeries[chartId] = {};
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const key = chartSeriesKey(item, index);
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if (hidden) app.chartHiddenSeries[chartId][key] = true;
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else delete app.chartHiddenSeries[chartId][key];
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}
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function updateChartZoomControls(id) {
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const canvas = document.getElementById(id);
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const card = canvas?.closest('.history-chart-card');
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if (!card) return;
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const zoom = clamp(Number(app.chartZooms[id] || 1), 1, MAX_CHART_ZOOM);
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const reset = card.querySelector('[data-chart-zoom="reset"]');
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const out = card.querySelector('[data-chart-zoom="out"]');
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const zoomIn = card.querySelector('[data-chart-zoom="in"]');
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if (reset) reset.textContent = `${Math.round(zoom * 100)}%`;
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if (out) out.disabled = zoom <= 1;
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if (zoomIn) zoomIn.disabled = zoom >= MAX_CHART_ZOOM;
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}
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function redrawHistoryChart(id) {
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const runtime = chartRuntime.get(id);
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const canvas = document.getElementById(id);
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if (!runtime || !canvas) return;
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canvas.dataset.chartZoom = String(clamp(Number(app.chartZooms[id] || 1), 1, MAX_CHART_ZOOM));
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if (runtime.kind === 'energy') {
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drawEnergyBarChart(canvas, runtime.buckets, runtime.options);
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} else {
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drawLineChart(canvas, runtime.series, runtime.rows, runtime.options);
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renderLegend(document.getElementById(`${id}Legend`), runtime.series);
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}
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updateChartZoomControls(id);
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}
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function setChartZoom(id, value, anchorRatio = null, anchorViewportX = null) {
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const canvas = document.getElementById(id);
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const wrap = canvas?.parentElement;
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if (!canvas || !wrap) return;
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const oldWidth = canvas.getBoundingClientRect().width || 1;
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const ratio = Number.isFinite(anchorRatio) ? clamp(anchorRatio, 0, 1) : clamp((wrap.scrollLeft + wrap.clientWidth / 2) / oldWidth, 0, 1);
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const viewportX = Number.isFinite(anchorViewportX) ? anchorViewportX : wrap.clientWidth / 2;
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const next = clamp(Number(value) || 1, 1, MAX_CHART_ZOOM);
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app.chartZooms[id] = next;
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redrawHistoryChart(id);
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const nextCanvas = document.getElementById(id);
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const nextWrap = nextCanvas?.parentElement;
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if (!nextCanvas || !nextWrap) return;
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const nextWidth = nextCanvas.getBoundingClientRect().width || 1;
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const previousBehavior = nextWrap.style.scrollBehavior;
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nextWrap.style.scrollBehavior = 'auto';
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nextWrap.scrollLeft = Math.max(0, ratio * nextWidth - viewportX);
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nextWrap.style.scrollBehavior = previousBehavior;
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}
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function cssColor(name, fallback) {
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const value = getComputedStyle(document.documentElement).getPropertyValue(name).trim();
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return value || fallback;
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}
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function timeLabel(ts, hours) {
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const options = Number(hours) > 48 ? { day: '2-digit', month: '2-digit', hour: '2-digit' } : { hour: '2-digit', minute: '2-digit' };
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return new Date(ts).toLocaleString(locale(), options);
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}
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function chartCardIsFullscreen(card) {
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return !!card && card.classList.contains('chart-fullscreen-fallback');
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}
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function updateChartFullscreenButton(card) {
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if (!card) return;
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const button = card.querySelector('[data-chart-fullscreen]');
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if (!button) return;
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const active = chartCardIsFullscreen(card);
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button.textContent = active ? '×' : '⛶';
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button.title = tr(active ? 'history.exitFullscreen' : 'history.fullscreen');
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button.setAttribute('aria-label', button.title);
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}
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function closeChartPreview(card) {
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if (!card) return;
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card.classList.remove('chart-fullscreen-fallback');
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card.removeAttribute('role');
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card.removeAttribute('aria-modal');
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card.removeAttribute('aria-label');
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document.body.classList.remove('chart-fullscreen-open');
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updateChartFullscreenButton(card);
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const canvas = card.querySelector('canvas[id]');
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if (canvas?.id) requestAnimationFrame(() => redrawHistoryChart(canvas.id));
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}
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function toggleChartFullscreen(id) {
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if (!window.matchMedia('(min-width: 761px)').matches) return;
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const canvas = document.getElementById(id);
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const card = canvas?.closest('.history-chart-card');
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if (!card) return;
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const active = chartCardIsFullscreen(card);
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const opened = document.querySelector('.history-chart-card.chart-fullscreen-fallback');
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if (opened && opened !== card) closeChartPreview(opened);
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if (active) {
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closeChartPreview(card);
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return;
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}
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card.classList.add('chart-fullscreen-fallback');
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card.setAttribute('role', 'dialog');
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card.setAttribute('aria-modal', 'true');
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card.setAttribute('aria-label', card.querySelector('h3')?.textContent || tr('history.fullscreen'));
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document.body.classList.add('chart-fullscreen-open');
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updateChartFullscreenButton(card);
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requestAnimationFrame(() => redrawHistoryChart(id));
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}
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function prepareCanvas(canvas, height) {
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const rect = canvas.getBoundingClientRect();
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const wrap = canvas.parentElement;
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const wrapWidth = Math.floor(wrap?.clientWidth || rect.width || 720);
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const fullscreen = chartCardIsFullscreen(canvas.closest('.history-chart-card'));
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const wrapHeight = fullscreen ? Math.floor(wrap?.clientHeight || 0) : 0;
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const actualHeight = wrapHeight || height;
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const zoom = clamp(Number(canvas.dataset.chartZoom || 1), 1, MAX_CHART_ZOOM);
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// Keep the original chart geometry on narrow screens and let the wrapper scroll horizontally.
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const baseWidth = Math.max(720, wrapWidth);
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const width = Math.max(1, Math.floor(baseWidth * zoom));
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const dpr = window.devicePixelRatio || 1;
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canvas.width = width * dpr; canvas.height = actualHeight * dpr;
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canvas.style.width = `${width}px`; canvas.style.height = `${actualHeight}px`;
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const ctx = canvas.getContext('2d'); ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
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ctx.clearRect(0, 0, width, actualHeight);
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return { ctx, width, height: actualHeight };
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}
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function drawEmptyChart(canvas, height = 340) {
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if (!canvas) return;
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const prepared = prepareCanvas(canvas, height);
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const { ctx, width } = prepared;
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height = prepared.height;
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ctx.fillStyle = cssColor('--muted', '#888'); ctx.font = '13px system-ui'; ctx.textAlign = 'center';
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ctx.fillText(tr('history.noData'), width / 2, height / 2);
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const wrap = canvas.parentElement;
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const tooltip = wrap?.querySelector('.chart-tooltip');
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const line = wrap?.querySelector('.chart-hover-line');
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if (tooltip) tooltip.hidden = true;
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if (line) line.hidden = true;
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canvas.onpointermove = null; canvas.onpointerleave = null; canvas.onpointerdown = null; canvas.onpointerup = null; canvas.onpointercancel = null; canvas.onkeydown = null;
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}
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function chartPreciseTime(timestamp) {
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return new Intl.DateTimeFormat(locale(), {
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year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', second: '2-digit'
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}).format(new Date(timestamp));
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}
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function nearestPoint(points, targetTs) {
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if (!points.length) return null;
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let lo = 0, hi = points.length - 1;
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while (lo < hi) {
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const mid = Math.floor((lo + hi) / 2);
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if (points[mid].ts < targetTs) lo = mid + 1; else hi = mid;
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}
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const after = points[lo];
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const before = lo > 0 ? points[lo - 1] : null;
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if (!before) return after;
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return Math.abs(before.ts - targetTs) <= Math.abs(after.ts - targetTs) ? before : after;
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}
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function formatChartTooltipValue(item, point, binaryLabels) {
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if (!point || !Number.isFinite(point.value)) return '—';
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if (typeof item.tooltipValue === 'function') return String(item.tooltipValue(point.value, point.row));
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const formatted = Number(point.value).toLocaleString(locale(), { minimumFractionDigits: 1, maximumFractionDigits: 2 });
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return binaryLabels ? formatted : `${formatted} °C`;
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}
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function bindChartTooltip(canvas, series, sortedRows, geometry) {
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const wrap = canvas?.parentElement;
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const tooltip = wrap?.querySelector('.chart-tooltip');
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const line = wrap?.querySelector('.chart-hover-line');
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const selection = wrap?.querySelector('.chart-selection');
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if (!canvas || !wrap || !tooltip || !line) return;
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const { pad, width, height, firstTs, lastTs, binaryLabels } = geometry;
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const plotWidth = width - pad.left - pad.right;
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const timestamps = [...new Set(sortedRows.map(row => new Date(row.timestamp).getTime()).filter(Number.isFinite))].sort((a, b) => a - b);
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const timestampPoints = timestamps.map(ts => ({ ts, value: ts }));
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const pointsBySeries = series.map(item => ({
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item,
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points: sortedRows.map(row => ({ row, ts: new Date(row.timestamp).getTime(), value: item.value(row) }))
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.filter(point => Number.isFinite(point.ts) && Number.isFinite(point.value))
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.sort((a, b) => a.ts - b.ts)
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}));
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let drag = null;
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const hide = () => { tooltip.hidden = true; line.hidden = true; };
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const hideSelection = () => { if (selection) selection.hidden = true; };
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const canvasX = clientX => {
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const rect = canvas.getBoundingClientRect();
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return clamp(clientX - rect.left, pad.left, width - pad.right);
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};
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const showAtTimestamp = (targetTs) => {
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if (!timestamps.length) return hide();
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const snapped = nearestPoint(timestampPoints, targetTs)?.ts;
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if (!Number.isFinite(snapped)) return hide();
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const px = pad.left + (snapped - firstTs) / Math.max(1, lastTs - firstTs) * plotWidth;
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const values = pointsBySeries.map(({ item, points }) => ({ item, point: nearestPoint(points, snapped) })).filter(entry => entry.point);
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if (!values.length) return hide();
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$$('.chart-tooltip').forEach(node => { if (node !== tooltip) node.hidden = true; });
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$$('.chart-hover-line').forEach(node => { if (node !== line) node.hidden = true; });
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tooltip.innerHTML = `<strong class="chart-tooltip-time">${esc(chartPreciseTime(snapped))}</strong><div class="chart-tooltip-values">${values.map(({ item, point }) => {
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const sampleTime = Math.abs(point.ts - snapped) > 1000 ? `<small class="chart-tooltip-sample-time">${esc(chartPreciseTime(point.ts))}</small>` : '';
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return `<div class="chart-tooltip-row"><span class="chart-tooltip-label"><i style="--tooltip-color:${esc(item.color)}"></i><span>${esc(item.label)}</span></span><span class="chart-tooltip-value">${esc(formatChartTooltipValue(item, point, binaryLabels))}${sampleTime}</span></div>`;
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}).join('')}</div>`;
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tooltip.hidden = false;
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line.hidden = false;
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line.style.left = `${px}px`;
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line.style.top = `${pad.top}px`;
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line.style.height = `${Math.max(0, height - pad.top - pad.bottom)}px`;
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const minLeft = wrap.scrollLeft + 8;
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const maxLeft = wrap.scrollLeft + wrap.clientWidth - tooltip.offsetWidth - 8;
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let tooltipLeft = px + 12;
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if (tooltipLeft + tooltip.offsetWidth > wrap.scrollLeft + wrap.clientWidth - 8) tooltipLeft = px - tooltip.offsetWidth - 12;
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tooltip.style.left = `${Math.max(minLeft, Math.min(tooltipLeft, Math.max(minLeft, maxLeft)))}px`;
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tooltip.style.top = `${pad.top + 8}px`;
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canvas.dataset.chartHoverTs = String(snapped);
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};
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const showFromClientX = (clientX) => {
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const localX = canvasX(clientX);
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const targetTs = firstTs + ((localX - pad.left) / Math.max(1, plotWidth)) * (lastTs - firstTs);
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showAtTimestamp(targetTs);
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};
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const updateSelection = (currentX) => {
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if (!drag || !selection) return;
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const left = Math.min(drag.startX, currentX);
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const right = Math.max(drag.startX, currentX);
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drag.lastX = currentX;
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drag.moved = Math.abs(right - left) >= 7;
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if (!drag.moved) return hideSelection();
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selection.hidden = false;
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selection.style.left = `${left}px`;
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selection.style.width = `${Math.max(1, right - left)}px`;
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selection.style.top = `${pad.top}px`;
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selection.style.height = `${Math.max(0, height - pad.top - pad.bottom)}px`;
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};
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canvas.onpointerdown = event => {
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if (event.pointerType !== 'mouse' || event.button !== 0) return;
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const startX = canvasX(event.clientX);
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drag = { pointerId: event.pointerId, startX, lastX: startX, moved: false };
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hide(); hideSelection();
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canvas.setPointerCapture?.(event.pointerId);
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event.preventDefault();
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};
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canvas.onpointermove = event => {
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if (event.pointerType === 'touch') return;
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if (event.pointerType === 'mouse' && drag?.pointerId === event.pointerId) {
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updateSelection(canvasX(event.clientX));
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event.preventDefault();
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return;
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}
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showFromClientX(event.clientX);
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};
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const finishPointer = event => {
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if (event.pointerType !== 'mouse' || drag?.pointerId !== event.pointerId) return;
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const currentX = canvasX(event.clientX);
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const selectedWidth = Math.abs(currentX - drag.startX);
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const center = (currentX + drag.startX) / 2;
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const moved = drag.moved && selectedWidth >= 12;
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drag = null; hideSelection();
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try { canvas.releasePointerCapture?.(event.pointerId); } catch (_) { }
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if (moved) {
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const currentZoom = clamp(Number(app.chartZooms[canvas.id] || 1), 1, MAX_CHART_ZOOM);
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const factor = Math.max(1, wrap.clientWidth / Math.max(1, selectedWidth));
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setChartZoom(canvas.id, currentZoom * factor, center / Math.max(1, width), wrap.clientWidth / 2);
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} else showFromClientX(event.clientX);
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};
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canvas.onpointerup = finishPointer;
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canvas.onpointercancel = event => {
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if (event.pointerType === 'mouse' && drag?.pointerId === event.pointerId) { drag = null; hideSelection(); }
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};
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canvas.onpointerleave = event => { if (event.pointerType !== 'touch' && !drag) hide(); };
|
||
canvas.onkeydown = event => {
|
||
if (!['ArrowLeft', 'ArrowRight'].includes(event.key) || !timestamps.length) return;
|
||
event.preventDefault();
|
||
const current = Number(canvas.dataset.chartHoverTs);
|
||
let index = Number.isFinite(current) ? timestamps.findIndex(ts => ts === current) : -1;
|
||
if (index < 0) index = event.key === 'ArrowRight' ? 0 : timestamps.length - 1;
|
||
else index = clamp(index + (event.key === 'ArrowRight' ? 1 : -1), 0, timestamps.length - 1);
|
||
showAtTimestamp(timestamps[index]);
|
||
};
|
||
}
|
||
|
||
function drawLineChart(canvas, series, rows, { height = 340, minValue = null, maxValue = null, binaryLabels = false } = {}) {
|
||
if (!canvas) return;
|
||
const options = { height, minValue, maxValue, binaryLabels };
|
||
if (canvas.id) chartRuntime.set(canvas.id, { series, rows, options });
|
||
const visibleSeries = series.filter((item, index) => !isChartSeriesHidden(canvas.id, item, index));
|
||
if (!rows.length || !visibleSeries.length) return drawEmptyChart(canvas, height);
|
||
const sortedRows = [...rows].sort((a, b) => new Date(a.timestamp) - new Date(b.timestamp));
|
||
const prepared = prepareCanvas(canvas, height);
|
||
const { ctx, width } = prepared;
|
||
height = prepared.height;
|
||
const text = cssColor('--muted', '#888'), grid = cssColor('--grid', '#333');
|
||
const compactPlot = width < 520;
|
||
const pad = compactPlot ? { left: 43, right: 12, top: 16, bottom: 34 } : { left: 54, right: 20, top: 20, bottom: 42 };
|
||
const allValues = [];
|
||
visibleSeries.forEach(item => sortedRows.forEach(row => { const value = item.value(row); if (Number.isFinite(value)) allValues.push(value); }));
|
||
if (!allValues.length) return drawEmptyChart(canvas, height);
|
||
let min = minValue == null ? Math.floor(Math.min(...allValues) - 1) : minValue;
|
||
let max = maxValue == null ? Math.ceil(Math.max(...allValues) + 1) : maxValue;
|
||
if (max - min < 2) { min -= 1; max += 1; }
|
||
const firstTs = new Date(sortedRows[0].timestamp).getTime();
|
||
const lastTs = new Date(sortedRows[sortedRows.length - 1].timestamp).getTime();
|
||
const span = Math.max(1, lastTs - firstTs);
|
||
const x = row => pad.left + (new Date(row.timestamp).getTime() - firstTs) / span * (width - pad.left - pad.right);
|
||
const y = value => pad.top + (max - value) / (max - min) * (height - pad.top - pad.bottom);
|
||
ctx.font = '10px system-ui'; ctx.fillStyle = text; ctx.strokeStyle = grid; ctx.lineWidth = 1;
|
||
for (let i = 0; i <= 5; i++) {
|
||
const value = min + (max - min) * i / 5, py = y(value);
|
||
ctx.beginPath(); ctx.moveTo(pad.left, py); ctx.lineTo(width - pad.right, py); ctx.stroke();
|
||
ctx.textAlign = 'right'; ctx.fillText(binaryLabels ? value.toFixed(0) : `${value.toFixed(1)}°`, pad.left - 8, py + 3);
|
||
}
|
||
const ticks = width < 420 ? 2 : width < 620 ? 3 : 5;
|
||
for (let i = 0; i <= ticks; i++) {
|
||
const idx = Math.min(sortedRows.length - 1, Math.round(i * (sortedRows.length - 1) / ticks)); const px = x(sortedRows[idx]);
|
||
ctx.textAlign = 'center'; ctx.fillText(timeLabel(sortedRows[idx].timestamp, $('#historyHours')?.value), px, height - 14);
|
||
}
|
||
visibleSeries.forEach(item => {
|
||
ctx.beginPath(); ctx.strokeStyle = item.color; ctx.lineWidth = item.width || 2; ctx.setLineDash(item.dash || []);
|
||
let started = false, prev = null;
|
||
sortedRows.forEach(row => {
|
||
const value = item.value(row); if (!Number.isFinite(value)) return;
|
||
const px = x(row), py = y(value);
|
||
if (!started || prev === null) { ctx.moveTo(px, py); started = true; }
|
||
else if (item.step) { ctx.lineTo(px, y(prev)); ctx.lineTo(px, py); } else ctx.lineTo(px, py);
|
||
prev = value;
|
||
});
|
||
ctx.stroke(); ctx.setLineDash([]);
|
||
});
|
||
bindChartTooltip(canvas, visibleSeries, sortedRows, { pad, width, height, firstTs, lastTs, binaryLabels });
|
||
}
|
||
|
||
function drawEnergyBarChart(canvas, buckets, { height = 340 } = {}) {
|
||
if (!canvas) return;
|
||
const options = { height };
|
||
if (canvas.id) chartRuntime.set(canvas.id, { kind: 'energy', buckets, options });
|
||
if (!buckets?.length) return drawEmptyChart(canvas, height);
|
||
const prepared = prepareCanvas(canvas, height);
|
||
const { ctx, width } = prepared;
|
||
height = prepared.height;
|
||
const text = cssColor('--muted', '#888');
|
||
const grid = cssColor('--grid', '#333');
|
||
const fill = cssColor('--accent', '#3ecf8e');
|
||
const pad = { left: 58, right: 18, top: 20, bottom: 48 };
|
||
const values = buckets.map(row => Math.max(0, Number(row.consumption_kwh) || 0));
|
||
const max = Math.max(0.1, ...values) * 1.1;
|
||
const plotW = width - pad.left - pad.right;
|
||
const plotH = height - pad.top - pad.bottom;
|
||
const slot = plotW / Math.max(1, buckets.length);
|
||
const barW = Math.max(2, Math.min(slot * 0.72, 42));
|
||
ctx.font = '10px system-ui'; ctx.fillStyle = text; ctx.strokeStyle = grid; ctx.lineWidth = 1;
|
||
for (let i = 0; i <= 5; i++) {
|
||
const value = max * i / 5;
|
||
const y = pad.top + plotH - (value / max) * plotH;
|
||
ctx.beginPath(); ctx.moveTo(pad.left, y); ctx.lineTo(width - pad.right, y); ctx.stroke();
|
||
ctx.textAlign = 'right'; ctx.fillText(`${value.toFixed(value < 1 ? 2 : 1)}`, pad.left - 8, y + 3);
|
||
}
|
||
ctx.fillStyle = fill;
|
||
buckets.forEach((row, index) => {
|
||
const value = values[index];
|
||
const x = pad.left + slot * index + (slot - barW) / 2;
|
||
const barH = (value / max) * plotH;
|
||
ctx.fillRect(x, pad.top + plotH - barH, barW, barH);
|
||
});
|
||
ctx.fillStyle = text;
|
||
const ticks = Math.min(6, buckets.length);
|
||
for (let i = 0; i < ticks; i++) {
|
||
const index = ticks === 1 ? 0 : Math.round(i * (buckets.length - 1) / (ticks - 1));
|
||
const x = pad.left + slot * index + slot / 2;
|
||
ctx.textAlign = 'center';
|
||
ctx.fillText(timeLabel(buckets[index].start, $('#historyHours')?.value), x, height - 18);
|
||
}
|
||
ctx.textAlign = 'left';
|
||
ctx.fillText('kWh', 8, pad.top + 4);
|
||
const legend = document.getElementById(`${canvas.id}Legend`);
|
||
if (legend) legend.innerHTML = `<span class="legend-item"><i class="legend-line" style="--legend-color:${esc(fill)}"></i><span>kWh</span></span>`;
|
||
updateChartZoomControls(canvas.id);
|
||
}
|
||
|
||
function renderLegend(host, series) {
|
||
if (!host) return;
|
||
const chartId = host.id.replace(/Legend$/, '');
|
||
host.innerHTML = series.map((item, index) => {
|
||
const hidden = isChartSeriesHidden(chartId, item, index);
|
||
const title = tr(hidden ? 'history.legendShow' : 'history.legendHide', { name: item.label });
|
||
return `<button type="button" class="legend-item${hidden ? ' is-hidden' : ''}" data-chart-id="${esc(chartId)}" data-chart-legend="${index}" aria-pressed="${hidden ? 'false' : 'true'}" title="${esc(title)}"><i class="legend-line" style="--legend-color:${esc(item.color)}"></i><span>${esc(item.label)}</span></button>`;
|
||
}).join('');
|
||
}
|
||
|
||
function historyChartMarkup(id, title, hint, compact = false) {
|
||
const zoom = clamp(Number(app.chartZooms[id] || 1), 1, MAX_CHART_ZOOM);
|
||
const percent = Math.round(zoom * 100);
|
||
return `<div class="panel chart-panel history-chart-card"><div class="chart-title-row"><div><h3>${esc(title)}</h3><p>${esc(hint || '')}</p><small class="chart-hover-hint">${esc(tr('history.hoverHint'))}</small></div><div class="chart-title-actions"><div class="chart-zoom-controls" aria-label="${esc(tr('history.zoomControls'))}"><button type="button" data-chart-zoom="out" data-chart-id="${esc(id)}" title="${esc(tr('history.zoomOut'))}" ${zoom <= 1 ? 'disabled' : ''}>−</button><button type="button" class="chart-zoom-reset" data-chart-zoom="reset" data-chart-id="${esc(id)}" title="${esc(tr('history.zoomReset'))}">${percent}%</button><button type="button" data-chart-zoom="in" data-chart-id="${esc(id)}" title="${esc(tr('history.zoomIn'))}" ${zoom >= MAX_CHART_ZOOM ? 'disabled' : ''}>+</button></div><button type="button" class="chart-fullscreen-button" data-chart-fullscreen="${esc(id)}" title="${esc(tr('history.fullscreen'))}" aria-label="${esc(tr('history.fullscreen'))}">⛶</button></div></div><div class="chart-wrap ${compact ? 'compact-chart' : ''}"><canvas id="${esc(id)}" data-chart-zoom="${zoom}" width="1000" height="${compact ? 300 : 420}" tabindex="0" aria-label="${esc(title)}"></canvas><div class="chart-hover-line" hidden></div><div class="chart-selection" hidden></div><div class="chart-tooltip" hidden></div></div><div class="legend" id="${esc(id)}Legend"></div></div>`;
|
||
}
|
||
|
||
function historySeriesColor(index) {
|
||
return cssColor(HISTORY_COLORS[index % HISTORY_COLORS.length], `hsl(${(index * 67) % 360} 68% 55%)`);
|
||
}
|
||
|
||
|
||
document.addEventListener('keydown', event => {
|
||
if (event.key === 'Escape') closeChartPreview(document.querySelector('.history-chart-card.chart-fullscreen-fallback'));
|
||
});
|
||
|