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Rucus
2026-02-17 09:29:34 -06:00
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controls-rework/trends/live/singlechart.php Normal file
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<?php // phpcs:ignoreFile
require __DIR__ . '/../../session.php';
require __DIR__ . '/../../userAccess.php';
$pageTitle = 'Single Chart Trending';
$pageSubtitle = 'Monitor one or two tags with dual axes';
$pageDescription = 'Launch the single chart beta to track critical process data in real time.';
$assetBasePath = '../../';
$layoutWithoutSidebar = true;
$layoutReturnUrl = '../../overview.php';
$layoutReturnLabel = 'Back to overview';
require __DIR__ . '/../../includes/layout/header.php';
?>
<div class="app-content">
<section class="data-panel trend-panel">
<header class="trend-panel__header">
<div>
<h2 id="chartTitle">Real-time process trend</h2>
<p>Select a primary tag and optional secondary tag to start streaming live data.</p>
</div>
<span class="trend-status trend-status--stopped" id="chartStatus">STOPPED</span>
</header>
<div class="trend-control-grid">
<div class="trend-control">
<label for="tagSelect1">Primary tag</label>
<select id="tagSelect1">
<option value="">Loading tags...</option>
</select>
</div>
<div class="trend-control">
<label for="tagSelect2">Secondary tag</label>
<select id="tagSelect2">
<option value="">Optional secondary...</option>
</select>
</div>
<div class="trend-control">
<label for="updateInterval">Update interval</label>
<select id="updateInterval">
<option value="1000">Every 1 second</option>
<option value="5000" selected>Every 5 seconds</option>
<option value="10000">Every 10 seconds</option>
<option value="30000">Every 30 seconds</option>
</select>
</div>
<div class="trend-control">
<label>Time window</label>
<div class="time-window-display">Last 15 minutes (sliding)</div>
</div>
<div class="trend-control">
<label for="startBtn">Controls</label>
<div class="trend-control__actions">
<button type="button" class="button button--success" id="startBtn" onclick="startRealTime()">Start</button>
<button type="button" class="button button--danger" id="stopBtn" onclick="stopRealTime()" disabled>Stop</button>
<button type="button" class="button button--ghost" onclick="clearChart()">Clear</button>
</div>
</div>
</div>
<div id="status" class="trend-connection trend-connection--disconnected">
Disconnected — Select a primary tag and click Start to begin trending
</div>
<div class="trend-stat-grid">
<div class="trend-stat">
<span id="currentValue1" class="trend-stat__value">--</span>
<span class="trend-stat__label" id="tag1Label">Primary current</span>
</div>
<div class="trend-stat">
<span id="currentValue2" class="trend-stat__value trend-stat__value--secondary">--</span>
<span class="trend-stat__label" id="tag2Label">Secondary current</span>
</div>
<div class="trend-stat">
<span id="minValue1" class="trend-stat__value">--</span>
<span class="trend-stat__label">Primary min</span>
</div>
<div class="trend-stat">
<span id="maxValue1" class="trend-stat__value">--</span>
<span class="trend-stat__label">Primary max</span>
</div>
<div class="trend-stat">
<span id="minValue2" class="trend-stat__value trend-stat__value--secondary">--</span>
<span class="trend-stat__label">Secondary min</span>
</div>
<div class="trend-stat">
<span id="maxValue2" class="trend-stat__value trend-stat__value--secondary">--</span>
<span class="trend-stat__label">Secondary max</span>
</div>
<div class="trend-stat">
<span id="dataPoints" class="trend-stat__value">0</span>
<span class="trend-stat__label">Total points</span>
</div>
<div class="trend-stat">
<span id="lastUpdate" class="trend-stat__value">--</span>
<span class="trend-stat__label">Last update</span>
</div>
</div>
<div class="trend-chart">
<canvas id="realtimeChart"></canvas>
</div>
</section>
</div>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.js"></script>
<script src="https://cdn.jsdelivr.net/npm/moment@2.29.4/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-moment@1.0.1/dist/chartjs-adapter-moment.min.js"></script>
<script>
let chart = null;
let updateTimer = null;
let isRunning = false;
let lastTimestamp1 = null;
let lastTimestamp2 = null;
let chartData1 = [];
let chartData2 = [];
let timeWindowMinutes = 15;
// Initialize Chart.js with dual datasets
function initChart() {
const ctx = document.getElementById('realtimeChart').getContext('2d');
chart = new Chart(ctx, {
type: 'line',
data: {
datasets: [{
label: 'Primary Tag',
data: [],
borderColor: '#3498db',
backgroundColor: 'rgba(52, 152, 219, 0.1)',
borderWidth: 2,
fill: false,
tension: 0.1,
pointRadius: 0,
pointHoverRadius: 0,
hitRadius: 0,
yAxisID: 'y1'
}, {
label: 'Secondary Tag',
data: [],
borderColor: '#27ae60',
backgroundColor: 'rgba(39, 174, 96, 0.1)',
borderWidth: 2,
fill: false,
tension: 0.1,
pointRadius: 0,
pointHoverRadius: 0,
hitRadius: 0,
yAxisID: 'y2',
hidden: true
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
animation: {
duration: 300
},
interaction: {
intersect: false,
mode: 'index'
},
scales: {
x: {
type: 'time',
time: {
unit: 'minute',
displayFormats: {
second: 'HH:mm:ss',
minute: 'HH:mm',
hour: 'HH:mm'
}
},
title: {
display: true,
text: 'Time (Last 15 Minutes)',
font: { size: 12, weight: 'bold' }
},
min: function() {
return moment().subtract(timeWindowMinutes, 'minutes').toDate();
},
max: function() {
return moment().toDate();
},
grid: {
color: 'rgba(0,0,0,0.1)'
}
},
y1: {
type: 'linear',
display: true,
position: 'left',
title: {
display: true,
text: 'Primary Tag Value',
color: '#3498db',
font: { size: 12, weight: 'bold' }
},
grid: {
drawOnChartArea: true,
color: 'rgba(52, 152, 219, 0.1)'
},
ticks: {
color: '#3498db',
font: { weight: 'bold' }
}
},
y2: {
type: 'linear',
display: false,
position: 'right',
title: {
display: true,
text: 'Secondary Tag Value',
color: '#27ae60',
font: { size: 12, weight: 'bold' }
},
grid: {
drawOnChartArea: false,
},
ticks: {
color: '#27ae60',
font: { weight: 'bold' }
}
}
},
plugins: {
legend: {
display: true,
position: 'top',
labels: {
font: { size: 12, weight: 'bold' },
usePointStyle: true,
padding: 20
},
onClick: function(e, legendItem, legend) {
const index = legendItem.datasetIndex;
const ci = legend.chart;
const dataset = ci.data.datasets[index];
dataset.hidden = !dataset.hidden;
if (index === 1) {
ci.options.scales.y2.display = !dataset.hidden;
}
ci.update();
}
},
tooltip: {
backgroundColor: 'rgba(44, 62, 80, 0.9)',
titleColor: '#3498db',
bodyColor: '#ecf0f1',
borderColor: '#3498db',
borderWidth: 1,
titleFont: { size: 13, weight: 'bold' },
bodyFont: { size: 12 },
callbacks: {
title: function(context) {
return moment(context[0].parsed.x).format('YYYY-MM-DD HH:mm:ss');
},
afterTitle: function(context) {
const now = moment();
const pointTime = moment(context[0].parsed.x);
const secondsAgo = now.diff(pointTime, 'seconds');
return `(${secondsAgo} seconds ago)`;
},
label: function(context) {
const datasetLabel = context.dataset.label;
const value = context.parsed.y.toFixed(2);
return `${datasetLabel}: ${value}`;
}
}
}
}
}
}); // This closing brace and parenthesis were missing!
}
// Load available tags for both dropdowns
async function loadTags() {
const select1 = document.getElementById('tagSelect1');
const select2 = document.getElementById('tagSelect2');
if (!select1 || !select2) {
console.error('Tag select elements not found in DOM.');
return;
}
const setMessage = (message) => {
select1.innerHTML = `<option value="">${message}</option>`;
select2.innerHTML = `<option value="">${message}</option>`;
};
setMessage('Loading tags...');
try {
const response = await fetch('get_tags.php', {
method: 'GET',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json'
},
cache: 'no-cache'
});
if (!response.ok) {
throw new Error(`HTTP ${response.status}`);
}
const data = await response.json();
select1.innerHTML = '<option value="">Select primary tag...</option>';
select2.innerHTML = '<option value="">Select secondary tag...</option>';
if (data.success && Array.isArray(data.tags) && data.tags.length > 0) {
data.tags.forEach((tag) => {
if (!tag || !tag.name) {
return;
}
const option1 = document.createElement('option');
option1.value = tag.name;
option1.textContent = tag.name;
select1.appendChild(option1);
const option2 = document.createElement('option');
option2.value = tag.name;
option2.textContent = tag.name;
select2.appendChild(option2);
});
return;
}
const errorMessage = data.error || 'No tags available';
setMessage(errorMessage);
} catch (error) {
console.error('Failed to load tags:', error);
setMessage(`Error: ${error.message}`);
}
}
// Fetch data for one or both tags
async function fetchTagData(tagName, datasetIndex) {
if (!tagName) return null;
try {
const endTime = moment().format('YYYY-MM-DD HH:mm:ss');
const startTime = moment().subtract(timeWindowMinutes, 'minutes').format('YYYY-MM-DD HH:mm:ss');
let url = `realtime_data.php?tag=${encodeURIComponent(tagName)}&limit=1500&start_time=${encodeURIComponent(startTime)}&end_time=${encodeURIComponent(endTime)}`;
const response = await fetch(url);
const data = await response.json();
if (data.success && data.data && data.data.length > 0) {
const formattedData = data.data.map(point => ({
x: new Date(point.x),
y: point.y
}));
const cutoffTime = moment().subtract(timeWindowMinutes, 'minutes').toDate();
return formattedData.filter(point => point.x >= cutoffTime);
}
return [];
} catch (error) {
console.error(`Error fetching data for ${tagName}:`, error);
return null;
}
}
// Modified fetchData for dual tags
async function fetchData() {
const tagName1 = document.getElementById('tagSelect1').value;
const tagName2 = document.getElementById('tagSelect2').value;
if (!tagName1) return;
try {
const data1 = await fetchTagData(tagName1, 0);
if (data1 !== null) {
chartData1 = data1;
chart.data.datasets[0].data = chartData1;
chart.data.datasets[0].label = tagName1;
}
if (tagName2 && tagName2 !== tagName1) {
const data2 = await fetchTagData(tagName2, 1);
if (data2 !== null) {
chartData2 = data2;
chart.data.datasets[1].data = chartData2;
chart.data.datasets[1].label = tagName2;
chart.data.datasets[1].hidden = false;
chart.options.scales.y2.display = true;
}
} else {
chartData2 = [];
chart.data.datasets[1].data = [];
chart.data.datasets[1].hidden = true;
chart.options.scales.y2.display = false;
}
chart.options.scales.x.min = moment().subtract(timeWindowMinutes, 'minutes').toDate();
chart.options.scales.x.max = moment().toDate();
chart.update('active');
updateStatus('connected', `Connected - Last update: ${new Date().toLocaleTimeString()}`);
updateStatistics();
updateChartTitle();
} catch (error) {
console.error('Fetch error:', error);
updateStatus('disconnected', `Connection error: ${error.message}`);
}
}
// Update chart title
function updateChartTitle() {
const tagName1 = document.getElementById('tagSelect1').value;
const tagName2 = document.getElementById('tagSelect2').value;
let title = 'Real-Time Process Trend';
if (tagName1) {
title = tagName1;
if (tagName2) {
title += ` & ${tagName2}`;
}
}
document.getElementById('chartTitle').textContent = title;
}
// Enhanced statistics for dual tags
function updateStatistics() {
const tagName1 = document.getElementById('tagSelect1').value;
const tagName2 = document.getElementById('tagSelect2').value;
document.getElementById('tag1Label').textContent = tagName1 ? `${tagName1} Current` : 'Primary Current';
document.getElementById('tag2Label').textContent = tagName2 ? `${tagName2} Current` : 'Secondary Current';
// Primary tag statistics
if (chartData1.length > 0) {
const values1 = chartData1.map(point => point.y);
const current1 = values1[values1.length - 1];
const min1 = Math.min(...values1);
const max1 = Math.max(...values1);
document.getElementById('currentValue1').textContent = current1.toFixed(2);
document.getElementById('minValue1').textContent = min1.toFixed(2);
document.getElementById('maxValue1').textContent = max1.toFixed(2);
} else {
document.getElementById('currentValue1').textContent = '--';
document.getElementById('minValue1').textContent = '--';
document.getElementById('maxValue1').textContent = '--';
}
// Secondary tag statistics
if (chartData2.length > 0) {
const values2 = chartData2.map(point => point.y);
const current2 = values2[values2.length - 1];
const min2 = Math.min(...values2);
const max2 = Math.max(...values2);
document.getElementById('currentValue2').textContent = current2.toFixed(2);
document.getElementById('minValue2').textContent = min2.toFixed(2);
document.getElementById('maxValue2').textContent = max2.toFixed(2);
} else {
document.getElementById('currentValue2').textContent = '--';
document.getElementById('minValue2').textContent = '--';
document.getElementById('maxValue2').textContent = '--';
}
const totalPoints = chartData1.length + chartData2.length;
document.getElementById('dataPoints').textContent = totalPoints;
document.getElementById('lastUpdate').textContent = moment().format('HH:mm:ss');
}
// Update status display
function updateStatus(type, message) {
const status = document.getElementById('status');
const chartStatus = document.getElementById('chartStatus');
const stateClass = type === 'connected' ? 'connected' : 'disconnected';
status.className = `trend-connection trend-connection--${stateClass}`;
status.textContent = message;
if (stateClass === 'connected') {
chartStatus.className = 'trend-status trend-status--running';
chartStatus.textContent = 'RUNNING';
} else {
chartStatus.className = 'trend-status trend-status--stopped';
chartStatus.textContent = 'STOPPED';
}
}
// Start real-time updates
function startRealTime() {
const tagName1 = document.getElementById('tagSelect1').value;
if (!tagName1) {
alert('Please select a primary tag first');
return;
}
isRunning = true;
lastTimestamp1 = null;
lastTimestamp2 = null;
const interval = parseInt(document.getElementById('updateInterval').value);
document.getElementById('startBtn').disabled = true;
document.getElementById('stopBtn').disabled = false;
document.getElementById('tagSelect1').disabled = true;
document.getElementById('tagSelect2').disabled = true;
fetchData();
updateTimer = setInterval(() => {
fetchData();
}, interval);
const tagName2 = document.getElementById('tagSelect2').value;
const statusMessage = tagName2 ?
`Trending ${tagName1} & ${tagName2} - Update every ${interval/1000}s` :
`Trending ${tagName1} - Update every ${interval/1000}s`;
updateStatus('connected', statusMessage);
}
// Stop real-time updates
function stopRealTime() {
isRunning = false;
if (updateTimer) {
clearInterval(updateTimer);
updateTimer = null;
}
document.getElementById('startBtn').disabled = false;
document.getElementById('stopBtn').disabled = true;
document.getElementById('tagSelect1').disabled = false;
document.getElementById('tagSelect2').disabled = false;
updateStatus('disconnected', 'Real-time updates stopped - Select tags and click Start to resume');
}
// Clear chart data
function clearChart() {
chartData1 = [];
chartData2 = [];
lastTimestamp1 = null;
lastTimestamp2 = null;
if (chart) {
chart.data.datasets[0].data = [];
chart.data.datasets[1].data = [];
chart.data.datasets[1].hidden = true;
chart.options.scales.y2.display = false;
chart.update();
}
// Reset all statistics
document.getElementById('currentValue1').textContent = '--';
document.getElementById('currentValue2').textContent = '--';
document.getElementById('minValue1').textContent = '--';
document.getElementById('maxValue1').textContent = '--';
document.getElementById('minValue2').textContent = '--';
document.getElementById('maxValue2').textContent = '--';
document.getElementById('dataPoints').textContent = '0';
document.getElementById('lastUpdate').textContent = '--';
// Reset title
document.getElementById('chartTitle').textContent = 'Real-Time Process Trend';
}
// Handle interval changes
document.getElementById('updateInterval').addEventListener('change', function() {
if (isRunning) {
stopRealTime();
setTimeout(startRealTime, 100);
}
});
// Handle secondary tag changes during runtime
document.getElementById('tagSelect2').addEventListener('change', function() {
if (isRunning) {
fetchData();
}
});
// Initialize on page load
document.addEventListener('DOMContentLoaded', function() {
initChart();
// Add a small delay to ensure DOM is fully ready
setTimeout(loadTags, 100);
});
// Cleanup on page unload
window.addEventListener('beforeunload', function() {
if (updateTimer) {
clearInterval(updateTimer);
}
});
</script>
<?php require __DIR__ . '/../../includes/layout/footer.php'; ?>