Files
dees-catalog/ts_web/elements/dees-chart-area.demo.ts

483 lines
17 KiB
TypeScript

import { html, css } from '@design.estate/dees-element';
import type { DeesChartArea } from './dees-chart-area.js';
import '@design.estate/dees-wcctools/demotools';
export const demoFunc = () => {
// Initial dataset values
const initialDatasets = {
system: {
label: 'System Usage (%)',
series: [
{
name: 'CPU',
data: [
{ x: new Date(Date.now() - 300000).toISOString(), y: 25 },
{ x: new Date(Date.now() - 240000).toISOString(), y: 30 },
{ x: new Date(Date.now() - 180000).toISOString(), y: 28 },
{ x: new Date(Date.now() - 120000).toISOString(), y: 35 },
{ x: new Date(Date.now() - 60000).toISOString(), y: 32 },
{ x: new Date().toISOString(), y: 38 },
],
},
{
name: 'Memory',
data: [
{ x: new Date(Date.now() - 300000).toISOString(), y: 45 },
{ x: new Date(Date.now() - 240000).toISOString(), y: 48 },
{ x: new Date(Date.now() - 180000).toISOString(), y: 46 },
{ x: new Date(Date.now() - 120000).toISOString(), y: 52 },
{ x: new Date(Date.now() - 60000).toISOString(), y: 50 },
{ x: new Date().toISOString(), y: 55 },
],
},
],
},
};
const initialFormatters = {
system: (val: number) => `${val}%`,
};
return html`
<dees-demowrapper .runAfterRender=${async (elementArg: HTMLElement) => {
// Get the chart elements
const chartElement = elementArg.querySelector('#main-chart') as DeesChartArea;
const connectionsChartElement = elementArg.querySelector('#connections-chart') as DeesChartArea;
let intervalId: number;
let connectionsIntervalId: number;
let currentDataset = 'system';
// Y-axis formatters for different datasets
const formatters = {
system: (val: number) => `${val}%`,
network: (val: number) => `${val} Mbps`,
sales: (val: number) => `$${val.toLocaleString()}`,
};
// Time window configuration (in milliseconds)
const TIME_WINDOW = 2 * 60 * 1000; // 2 minutes
const UPDATE_INTERVAL = 1000; // 1 second
const DATA_POINT_INTERVAL = 5000; // Show data points every 5 seconds
// Store previous values for smooth transitions
let previousValues = {
cpu: 30,
memory: 50,
download: 150,
upload: 30,
connections: 150
};
// Generate initial data points for time window
const generateInitialData = (baseValue: number, variance: number, interval: number = DATA_POINT_INTERVAL) => {
const data = [];
const now = Date.now();
const pointCount = Math.floor(TIME_WINDOW / interval);
for (let i = pointCount; i >= 0; i--) {
const timestamp = new Date(now - (i * interval)).toISOString();
const value = baseValue + (Math.random() - 0.5) * variance;
data.push({ x: timestamp, y: Math.round(value) });
}
return data;
};
// Different datasets to showcase
const datasets = {
system: {
label: 'System Usage (%)',
series: [
{
name: 'CPU',
data: generateInitialData(previousValues.cpu, 10),
},
{
name: 'Memory',
data: generateInitialData(previousValues.memory, 8),
},
],
},
network: {
label: 'Network Traffic (Mbps)',
series: [
{
name: 'Download',
data: generateInitialData(previousValues.download, 30),
},
{
name: 'Upload',
data: generateInitialData(previousValues.upload, 10),
},
],
},
sales: {
label: 'Sales Analytics',
series: [
{
name: 'Revenue',
data: [
{ x: '2025-01-01', y: 45000 },
{ x: '2025-01-02', y: 52000 },
{ x: '2025-01-03', y: 48000 },
{ x: '2025-01-04', y: 61000 },
{ x: '2025-01-05', y: 58000 },
{ x: '2025-01-06', y: 65000 },
],
},
{
name: 'Profit',
data: [
{ x: '2025-01-01', y: 12000 },
{ x: '2025-01-02', y: 14000 },
{ x: '2025-01-03', y: 11000 },
{ x: '2025-01-04', y: 18000 },
{ x: '2025-01-05', y: 16000 },
{ x: '2025-01-06', y: 20000 },
],
},
],
},
};
// Generate smooth value transitions
const getNextValue = (current: number, min: number, max: number, maxChange: number = 5) => {
// Add some randomness but keep it close to current value
const change = (Math.random() - 0.5) * maxChange * 2;
let newValue = current + change;
// Apply some "pressure" to move towards center of range
const center = (min + max) / 2;
const pressure = (center - newValue) * 0.1;
newValue += pressure;
// Ensure within bounds
newValue = Math.max(min, Math.min(max, newValue));
return Math.round(newValue);
};
// Track time of last data point
let lastDataPointTime = Date.now();
let connectionsLastUpdate = Date.now();
// Add real-time data
const addRealtimeData = () => {
if (!chartElement) return;
const now = Date.now();
// Only add new data point every DATA_POINT_INTERVAL
const shouldAddPoint = (now - lastDataPointTime) >= DATA_POINT_INTERVAL;
if (shouldAddPoint) {
lastDataPointTime = now;
const newTimestamp = new Date(now).toISOString();
// Generate smooth transitions for new values
if (currentDataset === 'system') {
// Generate new values
previousValues.cpu = getNextValue(previousValues.cpu, 20, 50, 3);
previousValues.memory = getNextValue(previousValues.memory, 40, 70, 2);
// Get current data and add new points
const currentSeries = chartElement.chartSeries.map((series, index) => ({
name: series.name,
data: [
...(series.data as Array<{x: any; y: any}>),
index === 0
? { x: newTimestamp, y: previousValues.cpu }
: { x: newTimestamp, y: previousValues.memory }
]
}));
chartElement.updateSeries(currentSeries, false);
} else if (currentDataset === 'network') {
// Generate new values
previousValues.download = getNextValue(previousValues.download, 100, 200, 10);
previousValues.upload = getNextValue(previousValues.upload, 20, 50, 5);
// Get current data and add new points
const currentSeries = chartElement.chartSeries.map((series, index) => ({
name: series.name,
data: [
...(series.data as Array<{x: any; y: any}>),
index === 0
? { x: newTimestamp, y: previousValues.download }
: { x: newTimestamp, y: previousValues.upload }
]
}));
chartElement.updateSeries(currentSeries, false);
}
}
};
// Update connections chart data
const updateConnections = () => {
if (!connectionsChartElement) return;
const now = Date.now();
const newTimestamp = new Date(now).toISOString();
// Generate new connections value with discrete changes
const change = Math.floor(Math.random() * 21) - 10; // -10 to +10 connections
previousValues.connections = Math.max(50, Math.min(300, previousValues.connections + change));
// Get current data and add new point
const currentSeries = connectionsChartElement.chartSeries;
const newData = [{
name: currentSeries[0]?.name || 'Connections',
data: [
...(currentSeries[0]?.data as Array<{x: any; y: any}> || []),
{ x: newTimestamp, y: previousValues.connections }
]
}];
connectionsChartElement.updateSeries(newData, false);
};
// Switch dataset
const switchDataset = (name: string) => {
currentDataset = name;
const dataset = datasets[name];
chartElement.label = dataset.label;
chartElement.series = dataset.series;
chartElement.yAxisFormatter = formatters[name];
// Set appropriate y-axis scaling
if (name === 'system') {
chartElement.yAxisScaling = 'percentage';
chartElement.yAxisMax = 100;
} else if (name === 'network') {
chartElement.yAxisScaling = 'dynamic';
} else {
chartElement.yAxisScaling = 'dynamic';
}
// Reset last data point time to get fresh data immediately
lastDataPointTime = Date.now() - DATA_POINT_INTERVAL;
};
// Start/stop real-time updates
const startRealtime = () => {
if (!intervalId && (currentDataset === 'system' || currentDataset === 'network')) {
chartElement.realtimeMode = true;
// Only add data every 5 seconds, chart auto-scrolls independently
intervalId = window.setInterval(() => addRealtimeData(), DATA_POINT_INTERVAL);
}
// Start connections updates
if (!connectionsIntervalId) {
connectionsChartElement.realtimeMode = true;
// Update connections every second
connectionsIntervalId = window.setInterval(() => updateConnections(), UPDATE_INTERVAL);
}
};
const stopRealtime = () => {
if (intervalId) {
window.clearInterval(intervalId);
intervalId = null;
chartElement.realtimeMode = false;
}
// Stop connections updates
if (connectionsIntervalId) {
window.clearInterval(connectionsIntervalId);
connectionsIntervalId = null;
connectionsChartElement.realtimeMode = false;
}
};
// Randomize current data (spike/drop simulation)
const randomizeData = () => {
if (currentDataset === 'system') {
// Simulate CPU/Memory spike
previousValues.cpu = Math.random() > 0.5 ? 85 : 25;
previousValues.memory = Math.random() > 0.5 ? 80 : 45;
} else if (currentDataset === 'network') {
// Simulate network traffic spike
previousValues.download = Math.random() > 0.5 ? 250 : 100;
previousValues.upload = Math.random() > 0.5 ? 80 : 20;
}
// Also spike connections
previousValues.connections = Math.random() > 0.5 ? 280 : 80;
// Force immediate update by resetting timers
lastDataPointTime = 0;
connectionsLastUpdate = 0;
};
// Wire up button click handlers
const buttons = elementArg.querySelectorAll('dees-button');
buttons.forEach(button => {
const text = button.textContent?.trim();
if (text === 'System Usage') {
button.addEventListener('click', () => switchDataset('system'));
} else if (text === 'Network Traffic') {
button.addEventListener('click', () => switchDataset('network'));
} else if (text === 'Sales Data') {
button.addEventListener('click', () => switchDataset('sales'));
} else if (text === 'Start Live') {
button.addEventListener('click', () => startRealtime());
} else if (text === 'Stop Live') {
button.addEventListener('click', () => stopRealtime());
} else if (text === 'Spike Values') {
button.addEventListener('click', () => randomizeData());
}
});
// Update button states based on current dataset
const updateButtonStates = () => {
const buttons = elementArg.querySelectorAll('dees-button');
buttons.forEach(button => {
const text = button.textContent?.trim();
if (text === 'System Usage') {
button.type = currentDataset === 'system' ? 'highlighted' : 'normal';
} else if (text === 'Network Traffic') {
button.type = currentDataset === 'network' ? 'highlighted' : 'normal';
} else if (text === 'Sales Data') {
button.type = currentDataset === 'sales' ? 'highlighted' : 'normal';
}
});
};
// Configure main chart with rolling window
chartElement.rollingWindow = TIME_WINDOW;
chartElement.realtimeMode = false; // Will be enabled when starting live updates
chartElement.yAxisScaling = 'percentage'; // Initial system dataset uses percentage
chartElement.yAxisMax = 100;
chartElement.autoScrollInterval = 1000; // Auto-scroll every second
// Set initial time window
setTimeout(() => {
chartElement.updateTimeWindow();
}, 100);
// Update button states when dataset changes
const originalSwitchDataset = switchDataset;
const switchDatasetWithButtonUpdate = (name: string) => {
originalSwitchDataset(name);
updateButtonStates();
};
// Replace switchDataset with the one that updates buttons
buttons.forEach(button => {
const text = button.textContent?.trim();
if (text === 'System Usage') {
button.removeEventListener('click', () => switchDataset('system'));
button.addEventListener('click', () => switchDatasetWithButtonUpdate('system'));
} else if (text === 'Network Traffic') {
button.removeEventListener('click', () => switchDataset('network'));
button.addEventListener('click', () => switchDatasetWithButtonUpdate('network'));
} else if (text === 'Sales Data') {
button.removeEventListener('click', () => switchDataset('sales'));
button.addEventListener('click', () => switchDatasetWithButtonUpdate('sales'));
}
});
// Initialize connections chart with data
if (connectionsChartElement) {
const initialConnectionsData = generateInitialData(previousValues.connections, 30, UPDATE_INTERVAL);
connectionsChartElement.series = [{
name: 'Connections',
data: initialConnectionsData
}];
// Configure connections chart
connectionsChartElement.rollingWindow = TIME_WINDOW;
connectionsChartElement.realtimeMode = false; // Will be enabled when starting live updates
connectionsChartElement.yAxisScaling = 'fixed';
connectionsChartElement.yAxisMax = 350;
connectionsChartElement.autoScrollInterval = 1000; // Auto-scroll every second
// Set initial time window
setTimeout(() => {
connectionsChartElement.updateTimeWindow();
}, 100);
}
}}>
<style>
${css`
.demoBox {
position: relative;
background: #000000;
height: 100%;
width: 100%;
padding: 40px;
box-sizing: border-box;
display: flex;
flex-direction: column;
gap: 24px;
}
.controls {
display: flex;
flex-wrap: wrap;
gap: 12px;
margin-bottom: 8px;
}
.chart-container {
flex: 1;
min-height: 400px;
}
.info {
color: #666;
font-size: 11px;
font-family: 'Geist Sans', sans-serif;
text-align: center;
margin-top: 8px;
}
`}
</style>
<div class="demoBox">
<div class="controls">
<dees-button-group label="Dataset:">
<dees-button type="highlighted">System Usage</dees-button>
<dees-button>Network Traffic</dees-button>
<dees-button>Sales Data</dees-button>
</dees-button-group>
<dees-button-group label="Real-time:">
<dees-button>Start Live</dees-button>
<dees-button>Stop Live</dees-button>
</dees-button-group>
<dees-button-group label="Actions:">
<dees-button>Spike Values</dees-button>
</dees-button-group>
</div>
<div class="chart-container">
<dees-chart-area
id="main-chart"
.label=${initialDatasets.system.label}
.series=${initialDatasets.system.series}
.yAxisFormatter=${initialFormatters.system}
></dees-chart-area>
</div>
<div class="chart-container" style="margin-top: 20px;">
<dees-chart-area
id="connections-chart"
.label=${'Active Connections'}
.series=${[{
name: 'Connections',
data: [] as Array<{x: any; y: any}>
}]}
.yAxisFormatter=${(val: number) => `${val}`}
></dees-chart-area>
</div>
<div class="info">
Real-time monitoring with 2-minute rolling window •
Updates every second with smooth value transitions •
Click 'Spike Values' to simulate load spikes
</div>
</div>
</dees-demowrapper>
`;
};