Phase 2/4 done, working on phase 3/5

This commit is contained in:
Martino Ferrari
2026-04-24 15:46:04 +02:00
parent 9aa89cc0cf
commit 8b548ba1c2
43 changed files with 6800 additions and 156 deletions
+40 -81
View File
@@ -1,35 +1,32 @@
<script lang="ts">
let status = $state<'checking' | 'ok' | 'error'>('checking');
import { wsClient } from './lib/ws';
import ViewMode from './lib/ViewMode.svelte';
import EditMode from './lib/EditMode.svelte';
async function checkHealth() {
try {
const resp = await fetch('/healthz');
status = resp.ok ? 'ok' : 'error';
} catch {
status = 'error';
}
}
type AppMode = 'view' | 'edit';
let mode = $state<AppMode>('view');
checkHealth();
const wsStatus = wsClient.status;
// Set CSS variable for device pixel ratio on the root element
const dpr = window.devicePixelRatio ?? 1;
document.documentElement.style.setProperty('--dpr', String(dpr));
// Connect to WebSocket — called once at app startup
wsClient.connect('/ws');
</script>
<main>
<div class="logo">uopi</div>
<h1>HMI Server</h1>
<p class="subtitle">Web-based monitoring &amp; control interface</p>
<div class="status" class:ok={status === 'ok'} class:error={status === 'error'}>
{#if status === 'checking'}
Connecting to server…
{:else if status === 'ok'}
Server reachable
{:else}
Cannot reach server
{/if}
{#if $wsStatus === 'disconnected'}
<div class="connection-banner">
WebSocket disconnected — reconnecting…
</div>
{/if}
<p class="note">Frontend under construction. See <code>docs/WORK_PLAN.md</code> for progress.</p>
</main>
{#if mode === 'view'}
<ViewMode />
{:else}
<EditMode />
{/if}
<style>
:global(*, *::before, *::after) {
@@ -41,67 +38,29 @@
:global(body) {
background: #0f1117;
color: #e2e8f0;
font-family: system-ui, sans-serif;
display: flex;
align-items: center;
justify-content: center;
font-family: system-ui, 'Segoe UI', Roboto, sans-serif;
overflow: hidden;
}
:global(#app) {
width: 100%;
max-width: none;
margin: 0;
text-align: left;
border: none;
min-height: 100vh;
}
main {
text-align: center;
padding: 2rem;
}
.logo {
font-size: 3rem;
font-weight: 800;
letter-spacing: -2px;
color: #60a5fa;
margin-bottom: 0.5rem;
}
h1 {
font-size: 1.5rem;
font-weight: 600;
color: #94a3b8;
margin-bottom: 0.5rem;
}
.subtitle {
color: #64748b;
margin-bottom: 2rem;
}
.status {
display: inline-block;
padding: 0.4rem 1rem;
border-radius: 9999px;
font-size: 0.875rem;
background: #1e293b;
color: #94a3b8;
margin-bottom: 1.5rem;
}
.status.ok {
background: #14532d;
color: #86efac;
}
.status.error {
.connection-banner {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1000;
background: #7f1d1d;
color: #fca5a5;
}
.note {
text-align: center;
font-size: 0.8rem;
color: #475569;
}
code {
background: #1e293b;
padding: 0.1em 0.4em;
border-radius: 4px;
font-size: 0.85em;
padding: 0.3rem 1rem;
}
</style>
+98
View File
@@ -0,0 +1,98 @@
<script lang="ts">
import type { Interface, Widget } from './types';
import TextView from './widgets/TextView.svelte';
let { iface }: { iface: Interface | null } = $props();
const dpr = window.devicePixelRatio ?? 1;
function componentForType(type: string): any {
switch (type) {
case 'textview': return TextView;
default: return null;
}
}
</script>
<div
class="canvas-container"
style="--dpr: {dpr};"
>
{#if iface === null}
<div class="placeholder">
<p>Select an interface from the left panel, or import one.</p>
</div>
{:else}
<div class="canvas-area">
{#each iface.widgets as widget (widget.id)}
{#if componentForType(widget.type) !== null}
{@const Comp = componentForType(widget.type)}
<Comp {widget} />
{:else}
<!-- Unknown widget type: grey placeholder box -->
<div
class="unknown-widget"
style="
left: {widget.x}px;
top: {widget.y}px;
width: {widget.w}px;
height: {widget.h}px;
"
title="Unknown widget type: {widget.type}"
>
<span class="unknown-label">{widget.type}</span>
</div>
{/if}
{/each}
</div>
{/if}
</div>
<style>
.canvas-container {
flex: 1;
position: relative;
overflow: auto;
background: #0f1117;
min-width: 0;
}
.placeholder {
display: flex;
align-items: center;
justify-content: center;
height: 100%;
color: #475569;
font-size: 0.95rem;
text-align: center;
padding: 2rem;
}
.canvas-area {
position: relative;
/* Large enough to accommodate absolutely-positioned widgets */
min-width: 100%;
min-height: 100%;
width: max-content;
height: max-content;
padding: 1rem;
box-sizing: border-box;
}
.unknown-widget {
position: absolute;
display: flex;
align-items: center;
justify-content: center;
background: #1e2535;
border: 1px dashed #3d4f6e;
border-radius: 4px;
box-sizing: border-box;
}
.unknown-label {
color: #475569;
font-size: 0.75rem;
font-family: ui-monospace, monospace;
}
</style>
+20
View File
@@ -0,0 +1,20 @@
<script lang="ts">
// Edit mode — coming in Phase 6
</script>
<div class="edit-mode">
<p>Edit mode — coming in Phase 6</p>
</div>
<style>
.edit-mode {
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
width: 100%;
background: #0f1117;
color: #475569;
font-size: 1.1rem;
}
</style>
+214
View File
@@ -0,0 +1,214 @@
<script lang="ts">
import { onMount } from 'svelte';
interface ServerInterface {
name: string;
id?: string;
}
let { onLoad }: { onLoad: (xml: string) => void } = $props();
let collapsed = $state(false);
let interfaces = $state<ServerInterface[]>([]);
let loading = $state(true);
let fileInput: HTMLInputElement | undefined = $state();
onMount(async () => {
try {
const resp = await fetch('/api/v1/interfaces');
if (resp.ok) {
interfaces = await resp.json();
}
} catch {
// Server not reachable; leave empty list
} finally {
loading = false;
}
});
function toggleCollapse() {
collapsed = !collapsed;
}
function handleNewInterface() {
// Phase 6: edit mode
}
function triggerImport() {
fileInput?.click();
}
async function handleFileChange(ev: Event) {
const input = ev.target as HTMLInputElement;
const file = input.files?.[0];
if (!file) return;
try {
const xml = await file.text();
onLoad(xml);
} catch (err) {
console.error('Failed to read interface file:', err);
} finally {
// Reset so the same file can be re-imported
input.value = '';
}
}
</script>
<aside class="panel" class:collapsed>
<div class="panel-header">
{#if !collapsed}
<span class="panel-title">Interfaces</span>
{/if}
<button class="icon-btn" onclick={toggleCollapse} title={collapsed ? 'Expand panel' : 'Collapse panel'}>
{collapsed ? '▶' : '◀'}
</button>
</div>
{#if !collapsed}
<div class="panel-actions">
<button class="btn" onclick={handleNewInterface} title="New interface (Edit mode Phase 6)">
+ New
</button>
<button class="btn" onclick={triggerImport} title="Import interface from XML file">
Import
</button>
<!-- Hidden file input -->
<input
type="file"
accept=".xml,application/xml,text/xml"
style="display:none"
bind:this={fileInput}
onchange={handleFileChange}
/>
</div>
<div class="panel-list">
{#if loading}
<p class="hint">Loading…</p>
{:else if interfaces.length === 0}
<p class="hint">No interfaces saved yet. Create one in Edit mode.</p>
{:else}
<ul>
{#each interfaces as iface}
<li class="iface-item">{iface.name ?? iface.id ?? 'Unnamed'}</li>
{/each}
</ul>
{/if}
</div>
{/if}
</aside>
<style>
.panel {
width: 260px;
min-width: 260px;
background: #1a1f2e;
border-right: 1px solid #2d3748;
display: flex;
flex-direction: column;
transition: width 0.2s ease, min-width 0.2s ease;
overflow: hidden;
}
.panel.collapsed {
width: 40px;
min-width: 40px;
}
.panel-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 0.5rem 0.5rem 0.5rem 0.75rem;
border-bottom: 1px solid #2d3748;
min-height: 40px;
flex-shrink: 0;
}
.collapsed .panel-header {
justify-content: center;
padding: 0.5rem;
}
.panel-title {
font-size: 0.8rem;
font-weight: 600;
color: #94a3b8;
text-transform: uppercase;
letter-spacing: 0.05em;
}
.icon-btn {
background: none;
border: none;
color: #64748b;
cursor: pointer;
font-size: 0.75rem;
padding: 0.2rem 0.4rem;
border-radius: 3px;
line-height: 1;
}
.icon-btn:hover {
background: #2d3748;
color: #e2e8f0;
}
.panel-actions {
display: flex;
gap: 0.4rem;
padding: 0.5rem 0.6rem;
border-bottom: 1px solid #2d3748;
flex-shrink: 0;
}
.btn {
flex: 1;
background: #2d3748;
border: none;
color: #e2e8f0;
font-size: 0.78rem;
padding: 0.3rem 0.5rem;
border-radius: 4px;
cursor: pointer;
white-space: nowrap;
}
.btn:hover {
background: #374151;
}
.panel-list {
flex: 1;
overflow-y: auto;
padding: 0.5rem 0;
}
.hint {
color: #475569;
font-size: 0.8rem;
padding: 0.75rem 0.75rem;
line-height: 1.5;
}
ul {
list-style: none;
margin: 0;
padding: 0;
}
.iface-item {
padding: 0.5rem 0.75rem;
color: #cbd5e1;
font-size: 0.85rem;
cursor: pointer;
border-radius: 3px;
margin: 1px 4px;
}
.iface-item:hover {
background: #2d3748;
color: #e2e8f0;
}
</style>
+175
View File
@@ -0,0 +1,175 @@
<script lang="ts">
import InterfaceList from './InterfaceList.svelte';
import Canvas from './Canvas.svelte';
import { wsClient } from './ws';
import { parseInterface } from './xml';
import type { Interface } from './types';
let currentInterface = $state<Interface | null>(null);
let parseError = $state<string | null>(null);
const wsStatus = wsClient.status;
function handleLoad(xml: string) {
try {
parseError = null;
currentInterface = parseInterface(xml);
} catch (err) {
parseError = err instanceof Error ? err.message : 'Failed to parse interface file.';
}
}
</script>
<div class="view-mode">
<!-- Top toolbar -->
<header class="toolbar">
<div class="toolbar-left">
<span class="app-name">uopi</span>
{#if currentInterface}
<span class="iface-name">{currentInterface.name}</span>
{/if}
</div>
<div class="toolbar-center">
{#if parseError}
<span class="parse-error" title={parseError}>Parse error check console</span>
{/if}
</div>
<div class="toolbar-right">
<div class="status-chip" class:connected={$wsStatus === 'connected'} class:disconnected={$wsStatus === 'disconnected'} class:connecting={$wsStatus === 'connecting'}>
<span class="status-dot"></span>
{$wsStatus}
</div>
<button class="btn-edit" disabled title="Edit mode — coming in Phase 6">Edit</button>
</div>
</header>
<!-- Main content row -->
<div class="content">
<InterfaceList onLoad={handleLoad} />
<Canvas iface={currentInterface} />
</div>
</div>
<style>
.view-mode {
display: flex;
flex-direction: column;
height: 100vh;
width: 100%;
overflow: hidden;
background: #0f1117;
}
.toolbar {
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 1rem;
height: 44px;
background: #1a1f2e;
border-bottom: 1px solid #2d3748;
flex-shrink: 0;
gap: 1rem;
}
.toolbar-left {
display: flex;
align-items: center;
gap: 0.75rem;
min-width: 0;
flex: 1;
}
.toolbar-center {
flex: 1;
text-align: center;
}
.toolbar-right {
display: flex;
align-items: center;
gap: 0.6rem;
flex: 1;
justify-content: flex-end;
}
.app-name {
font-size: 1rem;
font-weight: 800;
color: #60a5fa;
letter-spacing: -0.5px;
}
.iface-name {
font-size: 0.85rem;
color: #94a3b8;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.parse-error {
font-size: 0.78rem;
color: #f87171;
background: rgba(248, 113, 113, 0.1);
border: 1px solid rgba(248, 113, 113, 0.3);
border-radius: 4px;
padding: 0.15rem 0.5rem;
}
.status-chip {
display: flex;
align-items: center;
gap: 0.35rem;
font-size: 0.75rem;
padding: 0.2rem 0.6rem;
border-radius: 9999px;
background: #1e293b;
color: #94a3b8;
border: 1px solid #334155;
text-transform: capitalize;
}
.status-chip.connected {
background: #14532d;
color: #86efac;
border-color: #166534;
}
.status-chip.disconnected {
background: #7f1d1d;
color: #fca5a5;
border-color: #991b1b;
}
.status-chip.connecting {
background: #1e293b;
color: #fbbf24;
border-color: #92400e;
}
.status-dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: currentColor;
}
.btn-edit {
background: #2d3748;
border: none;
color: #94a3b8;
font-size: 0.8rem;
padding: 0.25rem 0.7rem;
border-radius: 4px;
cursor: not-allowed;
opacity: 0.6;
}
.content {
display: flex;
flex: 1;
overflow: hidden;
min-height: 0;
}
</style>
+157
View File
@@ -0,0 +1,157 @@
import { readable, writable, type Readable } from 'svelte/store';
import { wsClient } from './ws';
import type { SignalRef, SignalValue, SignalMeta } from './types';
// ── Default values ────────────────────────────────────────────────────────────
const DEFAULT_VALUE: SignalValue = {
value: null,
quality: 'unknown',
ts: null,
};
// ── History buffer ────────────────────────────────────────────────────────────
const HISTORY_MAX = 1000;
export interface HistoryPoint {
ts: string;
value: any;
}
const historyBuffers = new Map<string, HistoryPoint[]>();
function pushHistory(key: string, v: SignalValue): void {
if (v.value === null || v.value === undefined || v.ts === null) return;
let buf = historyBuffers.get(key);
if (!buf) {
buf = [];
historyBuffers.set(key, buf);
}
buf.push({ ts: v.ts, value: v.value });
if (buf.length > HISTORY_MAX) buf.splice(0, buf.length - HISTORY_MAX);
}
export function getSignalHistory(ref: SignalRef): HistoryPoint[] {
const key = `${ref.ds}\0${ref.name}`;
return historyBuffers.get(key) ?? [];
}
// ── Store maps (keyed by "ds\0name") ─────────────────────────────────────────
const valueStores = new Map<string, Readable<SignalValue>>();
const metaStores = new Map<string, Readable<SignalMeta | null>>();
function refKey(ref: SignalRef): string {
return `${ref.ds}\0${ref.name}`;
}
/**
* Returns a Svelte readable store that delivers live signal values.
* Created lazily; the WS subscription is started on first use.
* The store stays alive once created (simplest correct behaviour for Phase 4).
*/
export function getSignalStore(ref: SignalRef): Readable<SignalValue> {
const key = refKey(ref);
const existing = valueStores.get(key);
if (existing) return existing;
const store = readable<SignalValue>(DEFAULT_VALUE, (set) => {
// metaStore may already exist; we need a shared WS subscription.
// We use a shared subscription via _createShared.
const unsub = _getShared(ref).subscribeValue(set);
return unsub;
});
valueStores.set(key, store);
return store;
}
/**
* Returns a Svelte readable store that delivers signal metadata.
* Metadata is sent once by the server on subscribe.
*/
export function getMetaStore(ref: SignalRef): Readable<SignalMeta | null> {
const key = refKey(ref);
const existing = metaStores.get(key);
if (existing) return existing;
const store = readable<SignalMeta | null>(null, (set) => {
const unsub = _getShared(ref).subscribeMeta(set);
return unsub;
});
metaStores.set(key, store);
return store;
}
// ── Shared subscription helper ────────────────────────────────────────────────
//
// Both getSignalStore and getMetaStore need to share one WS subscription per
// signal. This object manages that sharing.
interface SharedEntry {
subscribeValue: (set: (v: SignalValue) => void) => () => void;
subscribeMeta: (set: (m: SignalMeta | null) => void) => () => void;
}
const sharedEntries = new Map<string, SharedEntry>();
function _getShared(ref: SignalRef): SharedEntry {
const key = refKey(ref);
const existing = sharedEntries.get(key);
if (existing) return existing;
// Internal writables that fan out to all store subscribers
const valueW = writable<SignalValue>(DEFAULT_VALUE);
const metaW = writable<SignalMeta | null>(null);
// Reference count for the WS subscription
let wsUnsub: (() => void) | null = null;
let refCount = 0;
function addRef() {
if (refCount === 0) {
wsUnsub = wsClient.subscribe(
ref,
(v) => {
valueW.set(v);
pushHistory(key, v);
},
(m) => metaW.set(m),
);
}
refCount++;
}
function removeRef() {
refCount--;
if (refCount <= 0 && wsUnsub) {
wsUnsub();
wsUnsub = null;
refCount = 0;
}
}
const entry: SharedEntry = {
subscribeValue(set) {
addRef();
const unsubStore = valueW.subscribe(set);
return () => {
unsubStore();
removeRef();
};
},
subscribeMeta(set) {
addRef();
const unsubStore = metaW.subscribe(set);
return () => {
unsubStore();
removeRef();
};
},
};
sharedEntries.set(key, entry);
return entry;
}
+42
View File
@@ -0,0 +1,42 @@
// Core signal reference: identifies a signal by datasource + name
export interface SignalRef {
ds: string;
name: string;
}
// Live value for a signal
export interface SignalValue {
value: any;
quality: 'good' | 'uncertain' | 'bad' | 'unknown';
ts: string | null;
}
// Metadata for a signal (received once on subscribe)
export interface SignalMeta {
type: string;
unit?: string;
displayLow: number;
displayHigh: number;
writable: boolean;
enumStrings?: string[];
description?: string;
}
// A single widget in an interface
export interface Widget {
id: string;
type: string;
x: number;
y: number;
w: number;
h: number;
signals: Array<SignalRef & { color?: string }>;
options: Record<string, string>;
}
// A complete HMI interface definition
export interface Interface {
name: string;
version: number;
widgets: Widget[];
}
+132
View File
@@ -0,0 +1,132 @@
<script lang="ts">
import { getSignalStore, getMetaStore } from '../stores';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const valueStore = $derived(sigRef ? getSignalStore(sigRef) : null);
const metaStore = $derived(sigRef ? getMetaStore(sigRef) : null);
let signalValue = $derived(valueStore ? $valueStore : null);
let signalMeta = $derived(metaStore ? $metaStore : null);
const label = $derived(widget.options['label'] ?? sigRef?.name ?? '');
const unit = $derived(widget.options['unit'] ?? signalMeta?.unit ?? '');
const minVal = $derived(parseFloat(widget.options['min'] ?? String(signalMeta?.displayLow ?? 0)));
const maxVal = $derived(parseFloat(widget.options['max'] ?? String(signalMeta?.displayHigh ?? 100)));
const quality = $derived(signalValue?.quality ?? 'unknown');
const qualityColor = $derived(() => {
switch (quality) {
case 'good': return '#4ade80';
case 'uncertain': return '#fbbf24';
case 'bad': return '#f87171';
default: return '#6b7280';
}
});
const rawValue = $derived(() => {
const v = signalValue?.value;
if (v === null || v === undefined) return null;
return typeof v === 'number' ? v : parseFloat(String(v));
});
const displayValue = $derived(() => {
const v = rawValue();
if (v === null || isNaN(v)) return '---';
return Number.isFinite(v) ? v.toPrecision(4).replace(/\.?0+$/, '') : String(v);
});
const fillPercent = $derived(() => {
const v = rawValue();
if (v === null || isNaN(v)) return 0;
const frac = maxVal === minVal ? 0 : (v - minVal) / (maxVal - minVal);
return Math.max(0, Math.min(100, frac * 100));
});
</script>
<div
class="barh"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
>
<span class="quality-dot" style="background: {qualityColor()};" title="Quality: {quality}"></span>
{#if label}
<div class="bar-label">{label}</div>
{/if}
<div class="bar-track">
<div class="bar-fill" style="width: {fillPercent()}%;"></div>
</div>
<div class="bar-value">
<span class="value">{displayValue()}</span>
{#if unit}<span class="unit">{unit}</span>{/if}
</div>
</div>
<style>
.barh {
position: absolute;
display: flex;
flex-direction: column;
align-items: stretch;
justify-content: center;
gap: 3px;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 6px;
box-sizing: border-box;
padding: 6px 10px;
font-family: system-ui, sans-serif;
overflow: hidden;
}
.quality-dot {
position: absolute;
top: 5px;
right: 5px;
width: 6px;
height: 6px;
border-radius: 50%;
}
.bar-label {
font-size: 0.75rem;
color: #94a3b8;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.bar-track {
width: 100%;
height: 12px;
background: #2d3748;
border-radius: 3px;
overflow: hidden;
}
.bar-fill {
height: 100%;
background: #4a9eff;
border-radius: 3px;
transition: width 0.15s ease;
}
.bar-value {
display: flex;
gap: 4px;
align-items: baseline;
justify-content: flex-end;
}
.value {
font-family: ui-monospace, monospace;
font-size: 0.85rem;
color: #e2e8f0;
}
.unit {
font-size: 0.7rem;
color: #64748b;
}
</style>
+136
View File
@@ -0,0 +1,136 @@
<script lang="ts">
import { getSignalStore, getMetaStore } from '../stores';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const valueStore = $derived(sigRef ? getSignalStore(sigRef) : null);
const metaStore = $derived(sigRef ? getMetaStore(sigRef) : null);
let signalValue = $derived(valueStore ? $valueStore : null);
let signalMeta = $derived(metaStore ? $metaStore : null);
const label = $derived(widget.options['label'] ?? sigRef?.name ?? '');
const unit = $derived(widget.options['unit'] ?? signalMeta?.unit ?? '');
const minVal = $derived(parseFloat(widget.options['min'] ?? String(signalMeta?.displayLow ?? 0)));
const maxVal = $derived(parseFloat(widget.options['max'] ?? String(signalMeta?.displayHigh ?? 100)));
const quality = $derived(signalValue?.quality ?? 'unknown');
const qualityColor = $derived(() => {
switch (quality) {
case 'good': return '#4ade80';
case 'uncertain': return '#fbbf24';
case 'bad': return '#f87171';
default: return '#6b7280';
}
});
const rawValue = $derived(() => {
const v = signalValue?.value;
if (v === null || v === undefined) return null;
return typeof v === 'number' ? v : parseFloat(String(v));
});
const displayValue = $derived(() => {
const v = rawValue();
if (v === null || isNaN(v)) return '---';
return Number.isFinite(v) ? v.toPrecision(4).replace(/\.?0+$/, '') : String(v);
});
const fillPercent = $derived(() => {
const v = rawValue();
if (v === null || isNaN(v)) return 0;
const frac = maxVal === minVal ? 0 : (v - minVal) / (maxVal - minVal);
return Math.max(0, Math.min(100, frac * 100));
});
</script>
<div
class="barv"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
>
<span class="quality-dot" style="background: {qualityColor()};" title="Quality: {quality}"></span>
{#if label}
<div class="bar-label">{label}</div>
{/if}
<div class="bar-value">
<span class="value">{displayValue()}</span>
{#if unit}<span class="unit">{unit}</span>{/if}
</div>
<div class="bar-track">
<div class="bar-fill" style="height: {fillPercent()}%;"></div>
</div>
</div>
<style>
.barv {
position: absolute;
display: flex;
flex-direction: column;
align-items: center;
justify-content: flex-end;
gap: 3px;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 6px;
box-sizing: border-box;
padding: 6px 8px;
font-family: system-ui, sans-serif;
overflow: hidden;
}
.quality-dot {
position: absolute;
top: 5px;
right: 5px;
width: 6px;
height: 6px;
border-radius: 50%;
}
.bar-label {
font-size: 0.75rem;
color: #94a3b8;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
width: 100%;
text-align: center;
}
.bar-value {
display: flex;
gap: 3px;
align-items: baseline;
}
.value {
font-family: ui-monospace, monospace;
font-size: 0.85rem;
color: #e2e8f0;
}
.unit {
font-size: 0.7rem;
color: #64748b;
}
.bar-track {
width: 24px;
flex: 1;
background: #2d3748;
border-radius: 3px;
overflow: hidden;
display: flex;
flex-direction: column;
justify-content: flex-end;
}
.bar-fill {
width: 100%;
background: #4a9eff;
border-radius: 3px;
transition: height 0.15s ease;
}
</style>
+66
View File
@@ -0,0 +1,66 @@
<script lang="ts">
import { wsClient } from '../ws';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const label = $derived(widget.options['label'] ?? 'Button');
const valueOpt = $derived(widget.options['value'] ?? '1');
const confirm = $derived(widget.options['confirm'] === 'true');
function handleClick() {
if (!sigRef) return;
// Parse as number if possible, otherwise send as string
const parsed = parseFloat(valueOpt);
const val = isNaN(parsed) ? valueOpt : parsed;
const doWrite = () => wsClient.write(sigRef, val);
if (confirm) {
if (window.confirm(`Send ${label}?`)) doWrite();
} else {
doWrite();
}
}
</script>
<div
class="button-widget"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
>
<button class="btn" onclick={handleClick}>{label}</button>
</div>
<style>
.button-widget {
position: absolute;
display: flex;
align-items: center;
justify-content: center;
box-sizing: border-box;
padding: 4px;
}
.btn {
width: 100%;
height: 100%;
background: #1e3a5f;
color: #e2e8f0;
border: 1px solid #2d5a9e;
border-radius: 6px;
font-size: 0.9rem;
font-family: system-ui, sans-serif;
cursor: pointer;
transition: background 0.15s;
}
.btn:hover {
background: #2563eb;
border-color: #3b82f6;
}
.btn:active {
background: #1d4ed8;
transform: scale(0.97);
}
</style>
+187
View File
@@ -0,0 +1,187 @@
<script lang="ts">
import { getSignalStore, getMetaStore } from '../stores';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const valueStore = $derived(sigRef ? getSignalStore(sigRef) : null);
const metaStore = $derived(sigRef ? getMetaStore(sigRef) : null);
let signalValue = $derived(valueStore ? $valueStore : null);
let signalMeta = $derived(metaStore ? $metaStore : null);
const label = $derived(widget.options['label'] ?? sigRef?.name ?? '');
const unit = $derived(widget.options['unit'] ?? signalMeta?.unit ?? '');
const minVal = $derived(parseFloat(widget.options['min'] ?? String(signalMeta?.displayLow ?? 0)));
const maxVal = $derived(parseFloat(widget.options['max'] ?? String(signalMeta?.displayHigh ?? 100)));
const thresholdLow = $derived(widget.options['thresholdLow'] ? parseFloat(widget.options['thresholdLow']) : null);
const thresholdHigh = $derived(widget.options['thresholdHigh'] ? parseFloat(widget.options['thresholdHigh']) : null);
const quality = $derived(signalValue?.quality ?? 'unknown');
const qualityColor = $derived(() => {
switch (quality) {
case 'good': return '#4ade80';
case 'uncertain': return '#fbbf24';
case 'bad': return '#f87171';
default: return '#6b7280';
}
});
const rawValue = $derived(() => {
const v = signalValue?.value;
if (v === null || v === undefined) return null;
return typeof v === 'number' ? v : parseFloat(String(v));
});
const displayValue = $derived(() => {
const v = rawValue();
if (v === null || isNaN(v)) return '---';
return Number.isFinite(v) ? v.toPrecision(4).replace(/\.?0+$/, '') : String(v);
});
// Arc: -135deg to +135deg (270deg total)
const START_DEG = -135;
const END_DEG = 135;
const TOTAL_DEG = 270;
const cx = 50;
const cy = 54;
const r = 38;
function degToRad(deg: number) {
return (deg * Math.PI) / 180;
}
function polarToXY(deg: number, radius: number) {
const rad = degToRad(deg);
return { x: cx + radius * Math.cos(rad), y: cy + radius * Math.sin(rad) };
}
function arcPath(startDeg: number, endDeg: number, radius: number) {
const s = polarToXY(startDeg, radius);
const e = polarToXY(endDeg, radius);
const largeArc = endDeg - startDeg > 180 ? 1 : 0;
return `M ${s.x} ${s.y} A ${radius} ${radius} 0 ${largeArc} 1 ${e.x} ${e.y}`;
}
function valueToDeg(v: number) {
const clamped = Math.max(minVal, Math.min(maxVal, v));
const frac = maxVal === minVal ? 0 : (clamped - minVal) / (maxVal - minVal);
return START_DEG + frac * TOTAL_DEG;
}
const fillColor = $derived(() => {
const v = rawValue();
if (v === null) return '#4a9eff';
if (thresholdHigh !== null && v >= thresholdHigh) return '#ef4444';
if (thresholdLow !== null && v <= thresholdLow) return '#f59e0b';
return '#4a9eff';
});
const needleDeg = $derived(() => {
const v = rawValue();
if (v === null) return START_DEG;
return valueToDeg(v);
});
const fillArcPath = $derived(() => {
const nd = needleDeg();
if (nd <= START_DEG) return '';
return arcPath(START_DEG, nd, r);
});
const bgArcPath = $derived(() => arcPath(START_DEG, END_DEG, r));
const needlePos = $derived(() => polarToXY(needleDeg(), r - 4));
</script>
<div
class="gauge"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
>
<span class="quality-dot" style="background: {qualityColor()};" title="Quality: {quality}"></span>
<svg viewBox="0 0 100 80" class="gauge-svg">
<!-- Background arc -->
<path d={bgArcPath()} fill="none" stroke="#2d3748" stroke-width="6" stroke-linecap="round" />
<!-- Filled arc -->
{#if fillArcPath()}
<path d={fillArcPath()} fill="none" stroke={fillColor()} stroke-width="6" stroke-linecap="round" />
{/if}
<!-- Needle dot -->
<circle cx={needlePos().x} cy={needlePos().y} r="3" fill={fillColor()} />
<!-- Center value -->
<text x={cx} y={cy + 10} text-anchor="middle" class="gauge-value">{displayValue()}</text>
{#if unit}
<text x={cx} y={cy + 20} text-anchor="middle" class="gauge-unit">{unit}</text>
{/if}
<!-- Min/Max labels -->
<text x="12" y="76" text-anchor="middle" class="gauge-range">{minVal}</text>
<text x="88" y="76" text-anchor="middle" class="gauge-range">{maxVal}</text>
</svg>
{#if label}
<div class="gauge-label">{label}</div>
{/if}
</div>
<style>
.gauge {
position: absolute;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 6px;
box-sizing: border-box;
overflow: hidden;
font-family: system-ui, sans-serif;
padding: 4px;
}
.quality-dot {
position: absolute;
top: 5px;
right: 5px;
width: 6px;
height: 6px;
border-radius: 50%;
}
.gauge-svg {
width: 100%;
flex: 1;
overflow: visible;
}
.gauge-value {
fill: #e2e8f0;
font-size: 14px;
font-family: ui-monospace, monospace;
}
.gauge-unit {
fill: #64748b;
font-size: 6px;
font-family: system-ui, sans-serif;
}
.gauge-range {
fill: #475569;
font-size: 6px;
font-family: system-ui, sans-serif;
}
.gauge-label {
font-size: 0.75rem;
color: #94a3b8;
text-align: center;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
width: 100%;
padding: 0 4px;
box-sizing: border-box;
}
</style>
+99
View File
@@ -0,0 +1,99 @@
<script lang="ts">
import { getSignalStore } from '../stores';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const valueStore = $derived(sigRef ? getSignalStore(sigRef) : null);
let signalValue = $derived(valueStore ? $valueStore : null);
const label = $derived(widget.options['label'] ?? sigRef?.name ?? '');
const condition = $derived(widget.options['condition'] ?? 'value > 0');
const colorTrue = $derived(widget.options['colorTrue'] ?? '#22c55e');
const colorFalse = $derived(widget.options['colorFalse'] ?? '#ef4444');
const quality = $derived(signalValue?.quality ?? 'unknown');
const isUncertain = $derived(quality === 'uncertain' || quality === 'unknown');
function evaluateCondition(expr: string, v: any): boolean {
// Safety check: reject dangerous patterns
if (/backtick|`|import|fetch|eval|Function|window|document/.test(expr)) {
return false;
}
try {
// eslint-disable-next-line no-new-func
return new Function('value', 'return ' + expr)(v);
} catch {
return false;
}
}
const ledOn = $derived(() => {
const v = signalValue?.value;
if (v === null || v === undefined) return false;
return evaluateCondition(condition, v);
});
const ledColor = $derived(() => ledOn() ? colorTrue : colorFalse);
</script>
<div
class="led-widget"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
>
<div
class="led-circle"
class:blink={isUncertain}
style="background: {ledColor()}; box-shadow: 0 0 8px {ledColor()}88;"
></div>
{#if label}
<div class="led-label">{label}</div>
{/if}
</div>
<style>
.led-widget {
position: absolute;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 4px;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 6px;
box-sizing: border-box;
padding: 4px;
font-family: system-ui, sans-serif;
overflow: hidden;
}
.led-circle {
width: 20px;
height: 20px;
border-radius: 50%;
flex-shrink: 0;
transition: background 0.2s;
}
.led-circle.blink {
animation: blink-slow 1.8s ease-in-out infinite;
}
@keyframes blink-slow {
0%, 100% { opacity: 1; }
50% { opacity: 0.3; }
}
.led-label {
font-size: 0.75rem;
color: #94a3b8;
text-align: center;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
width: 100%;
}
</style>
+108
View File
@@ -0,0 +1,108 @@
<script lang="ts">
import { getSignalStore } from '../stores';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const valueStore = $derived(sigRef ? getSignalStore(sigRef) : null);
let signalValue = $derived(valueStore ? $valueStore : null);
const bits = $derived(parseInt(widget.options['bits'] ?? '8', 10));
const labelsRaw = $derived(widget.options['labels'] ?? '');
const colorsTrueRaw = $derived(widget.options['colorsTrue'] ?? '');
const colorsFalseRaw = $derived(widget.options['colorsFalse'] ?? '');
const labelArr = $derived(labelsRaw ? labelsRaw.split(',') : []);
const colorsTrueArr = $derived(colorsTrueRaw ? colorsTrueRaw.split(',') : []);
const colorsFalseArr = $derived(colorsFalseRaw ? colorsFalseRaw.split(',') : []);
const quality = $derived(signalValue?.quality ?? 'unknown');
const isUncertain = $derived(quality === 'uncertain' || quality === 'unknown');
const intValue = $derived(() => {
const v = signalValue?.value;
if (v === null || v === undefined) return 0;
return typeof v === 'number' ? Math.floor(v) : parseInt(String(v), 10);
});
function getBit(val: number, bit: number): boolean {
return (val & (1 << bit)) !== 0;
}
const bitStates = $derived(() => {
const val = intValue();
return Array.from({ length: bits }, (_, i) => getBit(val, i));
});
</script>
<div
class="multiled-widget"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
>
{#each bitStates() as on, i}
{@const trueColor = colorsTrueArr[i] ?? '#22c55e'}
{@const falseColor = colorsFalseArr[i] ?? '#ef4444'}
{@const color = on ? trueColor : falseColor}
{@const bitLabel = labelArr[i] ?? String(i)}
<div class="bit-item">
<div
class="led-circle"
class:blink={isUncertain}
style="background: {color}; box-shadow: 0 0 6px {color}88;"
></div>
<div class="bit-label">{bitLabel}</div>
</div>
{/each}
</div>
<style>
.multiled-widget {
position: absolute;
display: flex;
flex-direction: row;
flex-wrap: wrap;
align-items: flex-start;
justify-content: flex-start;
gap: 4px;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 6px;
box-sizing: border-box;
padding: 6px;
font-family: system-ui, sans-serif;
overflow: hidden;
}
.bit-item {
display: flex;
flex-direction: column;
align-items: center;
gap: 2px;
min-width: 20px;
}
.led-circle {
width: 14px;
height: 14px;
border-radius: 50%;
flex-shrink: 0;
}
.led-circle.blink {
animation: blink-slow 1.8s ease-in-out infinite;
}
@keyframes blink-slow {
0%, 100% { opacity: 1; }
50% { opacity: 0.3; }
}
.bit-label {
font-size: 0.6rem;
color: #64748b;
text-align: center;
white-space: nowrap;
}
</style>
+378
View File
@@ -0,0 +1,378 @@
<script lang="ts">
import { onMount, onDestroy } from 'svelte';
import { getSignalStore } from '../stores';
import type { Widget, SignalRef } from '../types';
let { widget }: { widget: Widget } = $props();
const plotType = $derived(widget.options['plotType'] ?? 'timeseries');
const timeWindow = $derived(parseFloat(widget.options['timeWindow'] ?? '60'));
const legendPos = $derived(widget.options['legend'] ?? 'bottom');
const yMinOpt = $derived(widget.options['yMin'] ?? 'auto');
const yMaxOpt = $derived(widget.options['yMax'] ?? 'auto');
let containerEl: HTMLDivElement;
let chartEl: HTMLDivElement;
// ── Shared per-signal data buffers ────────────────────────────────────────────
interface SeriesBuffer {
timestamps: number[]; // Unix seconds
values: number[];
}
// Filled on mount — up to 10 signals
let buffers: SeriesBuffer[] = [];
let unsubs: (() => void)[] = [];
// ── uPlot (timeseries) ────────────────────────────────────────────────────────
let uplotInstance: any = null;
let uplotImported = false;
// ── ECharts (other types) ─────────────────────────────────────────────────────
let echartsInstance: any = null;
let echartsImported = false;
// Histogram per-series: accumulate raw values, bucket on render
let histValues: number[][] = [];
const RING_MAX = 4000;
function pushSample(buf: SeriesBuffer, ts: number, val: number) {
buf.timestamps.push(ts);
buf.values.push(val);
if (buf.timestamps.length > RING_MAX) {
buf.timestamps.splice(0, buf.timestamps.length - RING_MAX);
buf.values.splice(0, buf.values.length - RING_MAX);
}
}
function windowedSlice(buf: SeriesBuffer, windowSec: number): { ts: number[]; vals: number[] } {
const now = Date.now() / 1000;
const cutoff = now - windowSec;
const start = buf.timestamps.findIndex((t) => t >= cutoff);
if (start === -1) return { ts: [], vals: [] };
return { ts: buf.timestamps.slice(start), vals: buf.values.slice(start) };
}
// ── uPlot rendering ───────────────────────────────────────────────────────────
async function initUplot() {
if (uplotImported) return;
uplotImported = true;
// @ts-ignore
const uPlot = (await import('uplot')).default;
const signals = widget.signals;
const seriesConf = [
{},
...signals.map((s, i) => ({
label: s.name,
stroke: s.color ?? defaultColors[i % defaultColors.length],
width: 1.5,
})),
];
const legendShow = legendPos !== 'none';
uplotInstance = new uPlot(
{
width: chartEl.clientWidth || widget.w - 2,
height: chartEl.clientHeight || widget.h - 40,
series: seriesConf,
legend: { show: legendShow },
axes: [
{ space: 40 },
{
min: yMinOpt === 'auto' ? undefined : parseFloat(yMinOpt),
max: yMaxOpt === 'auto' ? undefined : parseFloat(yMaxOpt),
},
],
scales: {
x: { time: true },
y: {
range: yMinOpt === 'auto' && yMaxOpt === 'auto'
? undefined
: [
yMinOpt === 'auto' ? null : parseFloat(yMinOpt),
yMaxOpt === 'auto' ? null : parseFloat(yMaxOpt),
],
},
},
},
buildUplotData(),
chartEl,
);
}
function buildUplotData(): any[] {
if (buffers.length === 0) return [[]];
// Use longest timestamps set (first signal)
const tw = timeWindow;
const allTs = new Set<number>();
buffers.forEach((b) => {
const { ts } = windowedSlice(b, tw);
ts.forEach((t) => allTs.add(t));
});
const sortedTs = Array.from(allTs).sort((a, b) => a - b);
if (sortedTs.length === 0) return [[]];
const series: any[] = [sortedTs];
buffers.forEach((b) => {
const tsMap = new Map<number, number>();
const { ts, vals } = windowedSlice(b, tw);
ts.forEach((t, i) => tsMap.set(t, vals[i]));
series.push(sortedTs.map((t) => tsMap.get(t) ?? null));
});
return series;
}
function updateUplot() {
if (!uplotInstance) return;
uplotInstance.setData(buildUplotData());
}
// ── ECharts rendering ─────────────────────────────────────────────────────────
async function initEcharts() {
if (echartsImported) return;
echartsImported = true;
// @ts-ignore
const echarts = await import('echarts');
echartsInstance = echarts.init(chartEl, 'dark');
updateEcharts(echarts);
}
function buildEchartsOption(echarts?: any): any {
const signals = widget.signals;
const legendShow = legendPos !== 'none';
switch (plotType) {
case 'fft': {
return {
backgroundColor: 'transparent',
legend: legendShow ? { top: legendPos === 'top' ? 0 : 'bottom', textStyle: { color: '#94a3b8' } } : undefined,
xAxis: { type: 'category', name: 'Freq Index', axisLine: { lineStyle: { color: '#475569' } }, axisLabel: { color: '#64748b' } },
yAxis: { type: 'value', axisLine: { lineStyle: { color: '#475569' } }, axisLabel: { color: '#64748b' } },
series: buffers.map((b, i) => ({
name: signals[i]?.name ?? `S${i}`,
type: 'line',
data: b.values.length ? b.values[b.values.length - 1] : [],
lineStyle: { color: signals[i]?.color ?? defaultColors[i % defaultColors.length] },
showSymbol: false,
})),
};
}
case 'histogram': {
const buckets = buildHistogram();
return {
backgroundColor: 'transparent',
legend: legendShow ? { top: legendPos === 'top' ? 0 : 'bottom', textStyle: { color: '#94a3b8' } } : undefined,
xAxis: { type: 'category', data: buckets.labels, axisLabel: { color: '#64748b' } },
yAxis: { type: 'value', axisLabel: { color: '#64748b' } },
series: buckets.series.map((d, i) => ({
name: signals[i]?.name ?? `S${i}`,
type: 'bar',
data: d,
itemStyle: { color: signals[i]?.color ?? defaultColors[i % defaultColors.length] },
})),
};
}
case 'bar': {
return {
backgroundColor: 'transparent',
legend: legendShow ? { top: legendPos === 'top' ? 0 : 'bottom', textStyle: { color: '#94a3b8' } } : undefined,
xAxis: { type: 'category', data: signals.map((s) => s.name), axisLabel: { color: '#64748b' } },
yAxis: { type: 'value', axisLabel: { color: '#64748b' } },
series: [{
type: 'bar',
data: buffers.map((b, i) => ({
value: b.values.length ? b.values[b.values.length - 1] : 0,
itemStyle: { color: signals[i]?.color ?? defaultColors[i % defaultColors.length] },
})),
}],
};
}
case 'logic': {
return {
backgroundColor: 'transparent',
legend: legendShow ? { top: legendPos === 'top' ? 0 : 'bottom', textStyle: { color: '#94a3b8' } } : undefined,
xAxis: { type: 'value', axisLabel: { color: '#64748b' }, min: 'dataMin', max: 'dataMax' },
yAxis: { type: 'value', min: -0.1, max: 1.1, axisLabel: { color: '#64748b' } },
series: buffers.map((b, i) => {
const { ts, vals } = windowedSlice(b, timeWindow);
return {
name: signals[i]?.name ?? `S${i}`,
type: 'line',
step: 'end',
data: ts.map((t, j) => [t, vals[j] > 0 ? 1 : 0]),
lineStyle: { color: signals[i]?.color ?? defaultColors[i % defaultColors.length] },
showSymbol: false,
};
}),
};
}
case 'waterfall': {
// Display last N rows as a heatmap-style waterfall
const ROWS = 32;
const history = buffers[0];
const rows: number[][] = [];
const step = Math.max(1, Math.floor(history.values.length / ROWS));
for (let i = 0; i < ROWS; i++) {
const idx = Math.min(history.values.length - 1 - (ROWS - 1 - i) * step, history.values.length - 1);
if (idx < 0) {
rows.push([]);
} else {
const v = history.values[idx];
rows.push(Array.isArray(v) ? v : [v]);
}
}
const flatData: [number, number, number][] = [];
rows.forEach((row, ri) => row.forEach((val, ci) => flatData.push([ci, ri, val])));
return {
backgroundColor: 'transparent',
visualMap: { min: 0, max: 1, show: false, inRange: { color: ['#0f1117', '#4a9eff'] } },
xAxis: { type: 'value', axisLabel: { color: '#64748b' } },
yAxis: { type: 'value', axisLabel: { color: '#64748b' } },
series: [{ type: 'heatmap', data: flatData }],
};
}
default:
return {};
}
}
function buildHistogram(): { labels: string[]; series: number[][] } {
const BUCKETS = 20;
const result: number[][] = buffers.map(() => new Array(BUCKETS).fill(0));
let globalMin = Infinity, globalMax = -Infinity;
histValues.forEach((vals) => {
vals.forEach((v) => {
if (v < globalMin) globalMin = v;
if (v > globalMax) globalMax = v;
});
});
if (!isFinite(globalMin) || !isFinite(globalMax) || globalMin === globalMax) {
return { labels: [], series: result };
}
const range = globalMax - globalMin;
const bucketSize = range / BUCKETS;
histValues.forEach((vals, si) => {
vals.forEach((v) => {
const idx = Math.min(BUCKETS - 1, Math.floor((v - globalMin) / bucketSize));
result[si][idx]++;
});
});
const labels = Array.from({ length: BUCKETS }, (_, i) =>
(globalMin + i * bucketSize).toPrecision(3),
);
return { labels, series: result };
}
function updateEcharts(echarts?: any) {
if (!echartsInstance) return;
echartsInstance.setOption(buildEchartsOption(echarts), { notMerge: true });
}
// ── Mount & cleanup ───────────────────────────────────────────────────────────
const defaultColors = ['#4a9eff', '#22c55e', '#f59e0b', '#ef4444', '#a78bfa', '#f472b6', '#34d399', '#fb923c'];
onMount(async () => {
const signals = widget.signals;
buffers = signals.map(() => ({ timestamps: [], values: [] }));
histValues = signals.map(() => []);
signals.forEach((sig: SignalRef & { color?: string }, i: number) => {
const store = getSignalStore(sig);
const unsub = store.subscribe((sv) => {
if (sv.value === null || sv.value === undefined || sv.ts === null) return;
const ts = new Date(sv.ts).getTime() / 1000;
const v = typeof sv.value === 'number' ? sv.value : parseFloat(String(sv.value));
if (!isNaN(v)) {
pushSample(buffers[i], ts, v);
if (plotType === 'histogram') {
histValues[i].push(v);
if (histValues[i].length > RING_MAX) histValues[i].splice(0, histValues[i].length - RING_MAX);
}
}
// Trigger render
if (plotType === 'timeseries') {
updateUplot();
} else {
updateEcharts();
}
});
unsubs.push(unsub);
});
if (plotType === 'timeseries') {
await initUplot();
} else {
await initEcharts();
}
// Handle resize
const ro = new ResizeObserver(() => {
if (uplotInstance) {
uplotInstance.setSize({ width: chartEl.clientWidth, height: chartEl.clientHeight });
}
if (echartsInstance) {
echartsInstance.resize();
}
});
ro.observe(containerEl);
unsubs.push(() => ro.disconnect());
});
onDestroy(() => {
unsubs.forEach((u) => u());
if (uplotInstance) uplotInstance.destroy();
if (echartsInstance) echartsInstance.dispose();
});
</script>
<svelte:head>
{#if plotType === 'timeseries'}
<link rel="stylesheet" href="/node_modules/uplot/dist/uPlot.min.css" />
{/if}
</svelte:head>
<div
class="plot-widget"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
bind:this={containerEl}
>
<div class="chart-area" bind:this={chartEl}></div>
</div>
<style>
.plot-widget {
position: absolute;
display: flex;
flex-direction: column;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 6px;
box-sizing: border-box;
overflow: hidden;
font-family: system-ui, sans-serif;
}
.chart-area {
flex: 1;
width: 100%;
overflow: hidden;
min-height: 0;
}
/* Ensure uPlot fills the container */
.chart-area :global(.uplot) {
width: 100% !important;
height: 100% !important;
}
</style>
+170
View File
@@ -0,0 +1,170 @@
<script lang="ts">
import { getSignalStore, getMetaStore } from '../stores';
import { wsClient } from '../ws';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const valueStore = $derived(sigRef ? getSignalStore(sigRef) : null);
const metaStore = $derived(sigRef ? getMetaStore(sigRef) : null);
let signalValue = $derived(valueStore ? $valueStore : null);
let signalMeta = $derived(metaStore ? $metaStore : null);
const label = $derived(widget.options['label'] ?? sigRef?.name ?? '');
const unit = $derived(widget.options['unit'] ?? signalMeta?.unit ?? '');
const confirm = $derived(widget.options['confirm'] === 'true');
const isNumeric = $derived(signalMeta ? signalMeta.type !== 'TypeString' : true);
const quality = $derived(signalValue?.quality ?? 'unknown');
const qualityColor = $derived(() => {
switch (quality) {
case 'good': return '#4ade80';
case 'uncertain': return '#fbbf24';
case 'bad': return '#f87171';
default: return '#6b7280';
}
});
const displayValue = $derived(() => {
const v = signalValue?.value;
if (v === null || v === undefined) return '---';
if (typeof v === 'number') {
return Number.isFinite(v) ? v.toPrecision(4).replace(/\.?0+$/, '') : String(v);
}
return String(v);
});
let inputValue = $state('');
function handleSet() {
if (!sigRef) return;
const raw = inputValue.trim();
if (!raw) return;
const doWrite = () => {
const val = isNumeric ? parseFloat(raw) : raw;
wsClient.write(sigRef, val);
inputValue = '';
};
if (confirm) {
if (window.confirm(`Set ${label} to ${raw}?`)) doWrite();
} else {
doWrite();
}
}
function handleKeydown(e: KeyboardEvent) {
if (e.key === 'Enter') handleSet();
}
</script>
<div
class="setvalue"
style="left: {widget.x}px; top: {widget.y}px; width: {widget.w}px; height: {widget.h}px;"
>
<span class="quality-dot" style="background: {qualityColor()};" title="Quality: {quality}"></span>
<span class="sv-label">{label}:</span>
{#if isNumeric}
<input
class="sv-input"
type="number"
bind:value={inputValue}
onkeydown={handleKeydown}
placeholder="value"
/>
{:else}
<input
class="sv-input"
type="text"
bind:value={inputValue}
onkeydown={handleKeydown}
placeholder="value"
/>
{/if}
<span class="sv-current">{displayValue()}</span>
{#if unit}<span class="sv-unit">{unit}</span>{/if}
<button class="sv-btn" onclick={handleSet}>Set</button>
</div>
<style>
.setvalue {
position: absolute;
display: flex;
align-items: center;
gap: 5px;
padding: 0 8px;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 6px;
box-sizing: border-box;
overflow: hidden;
font-family: system-ui, sans-serif;
white-space: nowrap;
}
.quality-dot {
width: 6px;
height: 6px;
border-radius: 50%;
flex-shrink: 0;
}
.sv-label {
color: #94a3b8;
font-size: 0.8rem;
flex-shrink: 0;
}
.sv-input {
width: 80px;
background: #0f1117;
border: 1px solid #3d4f6e;
border-radius: 4px;
color: #e2e8f0;
font-size: 0.85rem;
padding: 2px 5px;
flex-shrink: 0;
font-family: ui-monospace, monospace;
}
.sv-input:focus {
outline: none;
border-color: #4a9eff;
}
.sv-current {
font-family: ui-monospace, monospace;
font-size: 0.85rem;
color: #e2e8f0;
flex-shrink: 0;
}
.sv-unit {
font-size: 0.7rem;
color: #64748b;
flex-shrink: 0;
}
.sv-btn {
background: #2563eb;
color: #fff;
border: none;
border-radius: 4px;
padding: 3px 10px;
font-size: 0.8rem;
cursor: pointer;
flex-shrink: 0;
font-family: system-ui, sans-serif;
}
.sv-btn:hover {
background: #1d4ed8;
}
.sv-btn:active {
background: #1e40af;
}
</style>
+99
View File
@@ -0,0 +1,99 @@
<script lang="ts">
import { getSignalStore, getMetaStore } from '../stores';
import type { Widget } from '../types';
let { widget }: { widget: Widget } = $props();
const sigRef = $derived(widget.signals[0]);
const label = $derived(widget.options['label'] ?? sigRef?.name ?? '');
// Reactive stores — re-created when sigRef changes
const valueStore = $derived(sigRef ? getSignalStore(sigRef) : null);
const metaStore = $derived(sigRef ? getMetaStore(sigRef) : null);
let signalValue = $derived(valueStore ? $valueStore : null);
let signalMeta = $derived(metaStore ? $metaStore : null);
const displayValue = $derived(() => {
if (!signalValue || signalValue.value === null || signalValue.value === undefined) {
return '---';
}
const v = signalValue.value;
if (typeof v === 'number') {
return Number.isFinite(v) ? v.toPrecision(6).replace(/\.?0+$/, '') : String(v);
}
return String(v);
});
const unit = $derived(signalMeta?.unit ?? '');
const quality = $derived(signalValue?.quality ?? 'unknown');
const qualityColor = $derived(() => {
switch (quality) {
case 'good': return '#4ade80';
case 'uncertain': return '#fbbf24';
case 'bad': return '#f87171';
default: return '#6b7280';
}
});
</script>
<div
class="textview"
style="
left: {widget.x}px;
top: {widget.y}px;
width: {widget.w}px;
height: {widget.h}px;
"
>
<span class="quality-dot" style="background: {qualityColor()};" title="Quality: {quality}"></span>
<span class="label">{label}:</span>
<span class="value">{displayValue()}</span>
{#if unit}
<span class="unit">{unit}</span>
{/if}
</div>
<style>
.textview {
position: absolute;
display: flex;
align-items: center;
gap: 0.4em;
padding: 0 0.6em;
background: #1a1f2e;
border: 1px solid #2d3748;
border-radius: 4px;
overflow: hidden;
box-sizing: border-box;
white-space: nowrap;
}
.quality-dot {
display: inline-block;
width: 8px;
height: 8px;
border-radius: 50%;
flex-shrink: 0;
}
.label {
color: #94a3b8;
font-size: 0.8rem;
flex-shrink: 0;
}
.value {
font-family: ui-monospace, Consolas, monospace;
font-size: 0.9rem;
color: #e2e8f0;
min-width: 4ch;
}
.unit {
color: #64748b;
font-size: 0.75rem;
flex-shrink: 0;
}
</style>
+206
View File
@@ -0,0 +1,206 @@
import { readable, writable, type Readable } from 'svelte/store';
import type { SignalRef, SignalValue, SignalMeta } from './types';
// ── Types ────────────────────────────────────────────────────────────────────
type WsStatus = 'connecting' | 'connected' | 'disconnected';
interface SubscriberEntry {
onUpdate: (v: SignalValue) => void;
onMeta: (m: SignalMeta) => void;
}
// ── WsClient ─────────────────────────────────────────────────────────────────
class WsClient {
private ws: WebSocket | null = null;
private url = '';
// Reconnect back-off state
private retryDelay = 500;
private readonly maxDelay = 30_000;
private retryTimer: ReturnType<typeof setTimeout> | null = null;
private intentionalClose = false;
// Status store
private _statusStore = writable<WsStatus>('connecting');
readonly status: Readable<WsStatus> = { subscribe: this._statusStore.subscribe };
// Subscription tracking: key is "ds\0name"
// ref-count: how many callers are subscribed
private refCounts = new Map<string, number>();
// subscriber callbacks per signal
private subscribers = new Map<string, Set<SubscriberEntry>>();
connect(url: string): void {
this.url = url;
this.intentionalClose = false;
this._open();
}
private _open(): void {
if (this.intentionalClose) return;
this._statusStore.set('connecting');
try {
// Resolve relative URL to absolute ws:// URL
const wsUrl = this._resolveWsUrl(this.url);
this.ws = new WebSocket(wsUrl);
} catch {
this._scheduleReconnect();
return;
}
this.ws.addEventListener('open', () => {
this.retryDelay = 500; // reset back-off on success
this._statusStore.set('connected');
// Re-subscribe all active signals after reconnect
const signals: Array<{ ds: string; name: string }> = [];
for (const key of this.refCounts.keys()) {
if ((this.refCounts.get(key) ?? 0) > 0) {
const [ds, name] = key.split('\0');
signals.push({ ds, name });
}
}
if (signals.length > 0) {
this._send({ type: 'subscribe', signals });
}
});
this.ws.addEventListener('message', (ev) => {
this._handleMessage(ev.data as string);
});
this.ws.addEventListener('close', () => {
this._statusStore.set('disconnected');
if (!this.intentionalClose) {
this._scheduleReconnect();
}
});
this.ws.addEventListener('error', () => {
// The close event fires right after, which will handle the reconnect.
this._statusStore.set('disconnected');
});
}
private _resolveWsUrl(path: string): string {
if (path.startsWith('ws://') || path.startsWith('wss://')) {
return path;
}
const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
return `${proto}//${location.host}${path}`;
}
private _scheduleReconnect(): void {
if (this.retryTimer !== null) return;
this.retryTimer = setTimeout(() => {
this.retryTimer = null;
this.retryDelay = Math.min(this.retryDelay * 2, this.maxDelay);
this._open();
}, this.retryDelay);
}
private _send(obj: unknown): void {
if (this.ws?.readyState === WebSocket.OPEN) {
this.ws.send(JSON.stringify(obj));
}
}
private _handleMessage(data: string): void {
let msg: any;
try {
msg = JSON.parse(data);
} catch {
return;
}
const key = msg.ds && msg.name ? `${msg.ds}\0${msg.name}` : '';
switch (msg.type) {
case 'update': {
const subs = this.subscribers.get(key);
if (!subs) break;
const val: SignalValue = {
value: msg.value,
quality: msg.quality ?? 'unknown',
ts: msg.ts ?? null,
};
for (const s of subs) s.onUpdate(val);
break;
}
case 'meta': {
const subs = this.subscribers.get(key);
if (!subs || !msg.meta) break;
const meta: SignalMeta = {
type: msg.meta.type ?? 'unknown',
unit: msg.meta.unit,
displayLow: msg.meta.displayLow ?? 0,
displayHigh: msg.meta.displayHigh ?? 100,
writable: msg.meta.writable ?? false,
enumStrings: msg.meta.enumStrings,
description: msg.meta.description,
};
for (const s of subs) s.onMeta(meta);
break;
}
case 'error':
console.warn('[ws] server error', msg.code, msg.message);
break;
default:
break;
}
}
/**
* Subscribe to a signal. Reference-counted: only one WS subscribe message
* is sent even if multiple callers subscribe to the same signal.
* Returns a cleanup function that unsubscribes when all callers are done.
*/
subscribe(
ref: SignalRef,
onUpdate: (v: SignalValue) => void,
onMeta: (m: SignalMeta) => void,
): () => void {
const key = `${ref.ds}\0${ref.name}`;
const entry: SubscriberEntry = { onUpdate, onMeta };
// Add to subscriber set
let set = this.subscribers.get(key);
if (!set) {
set = new Set();
this.subscribers.set(key, set);
}
set.add(entry);
// Reference counting — send WS subscribe only on first subscriber
const prev = this.refCounts.get(key) ?? 0;
this.refCounts.set(key, prev + 1);
if (prev === 0) {
this._send({ type: 'subscribe', signals: [{ ds: ref.ds, name: ref.name }] });
}
return () => {
const subs = this.subscribers.get(key);
subs?.delete(entry);
const count = (this.refCounts.get(key) ?? 0) - 1;
this.refCounts.set(key, Math.max(0, count));
if (count <= 0) {
this.subscribers.delete(key);
this.refCounts.delete(key);
this._send({ type: 'unsubscribe', signals: [{ ds: ref.ds, name: ref.name }] });
}
};
}
write(ref: SignalRef, value: any): void {
this._send({ type: 'write', ds: ref.ds, name: ref.name, value });
}
}
// Singleton instance
export const wsClient = new WsClient();
+66
View File
@@ -0,0 +1,66 @@
import type { Interface, Widget, SignalRef } from './types';
/**
* Parse an interface XML string into an Interface object.
*
* Expected XML format:
* <interface name="..." version="1">
* <widget id="w1" type="textview" x="100" y="50" w="200" h="60">
* <signal ds="stub" name="sine_1hz" color="#ff0000"/>
* <option key="label" value="Sine 1Hz"/>
* </widget>
* </interface>
*/
export function parseInterface(xml: string): Interface {
const parser = new DOMParser();
const doc = parser.parseFromString(xml, 'application/xml');
// Check for parse errors
const parseError = doc.querySelector('parsererror');
if (parseError) {
throw new Error(`XML parse error: ${parseError.textContent}`);
}
const root = doc.documentElement;
if (root.tagName !== 'interface') {
throw new Error(`Expected root element <interface>, got <${root.tagName}>`);
}
const name = root.getAttribute('name') ?? 'Untitled';
const version = parseInt(root.getAttribute('version') ?? '1', 10);
const widgets: Widget[] = [];
for (const el of Array.from(root.children)) {
if (el.tagName !== 'widget') continue;
const id = el.getAttribute('id') ?? '';
const type = el.getAttribute('type') ?? 'unknown';
const x = parseFloat(el.getAttribute('x') ?? '0');
const y = parseFloat(el.getAttribute('y') ?? '0');
const w = parseFloat(el.getAttribute('w') ?? '100');
const h = parseFloat(el.getAttribute('h') ?? '60');
const signals: Array<SignalRef & { color?: string }> = [];
const options: Record<string, string> = {};
for (const child of Array.from(el.children)) {
if (child.tagName === 'signal') {
const ds = child.getAttribute('ds') ?? '';
const sigName = child.getAttribute('name') ?? '';
const color = child.getAttribute('color') ?? undefined;
signals.push({ ds, name: sigName, ...(color ? { color } : {}) });
} else if (child.tagName === 'option') {
const key = child.getAttribute('key');
const value = child.getAttribute('value');
if (key !== null && value !== null) {
options[key] = value;
}
}
}
widgets.push({ id, type, x, y, w, h, signals, options });
}
return { name, version, widgets };
}