mirror of
https://github.com/ChuckBuilds/LEDMatrix.git
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ChuckandClaude Opus 5
a016dd9446
The plugin-author guide for the compact x-style-elements declaration -- what each key does, how to read values back without breaking the "user-forced only when it differs from the default" rule, and why a hand-written block needs no changes to be adopted. Also clears the static-analysis findings on style-editor.js. Every lookup in that file is keyed by something out of a schema or a saved config, so a key of __proto__ or constructor would walk the prototype chain and hand back a function instead of a schema; reads now go through an own-property helper. The panel registry became a list, and the flagged vars moved to their function roots. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
633 lines
25 KiB
JavaScript
633 lines
25 KiB
JavaScript
/**
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* Style Editor Widget
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*
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* One compact row per display element -- font, size, colour, alignment,
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* visibility, X/Y nudge, scale -- instead of the nested accordions the
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* generic object renderer produces. A realistic scoreboard declares seven
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* elements with layout offsets and three modes, which comes to 65 nested
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* sections and five levels of clicking to reach one per-mode font size.
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*
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* Three things about this widget are load-bearing:
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*
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* 1. It emits ordinary inputs with the same dotted names the generic
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* renderer would produce (`customization.score_text.font`,
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* `customization.score_text.text_color.0`, `customization.layout.
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* score_text.x_offset`, `customization.modes.live....`). The whole
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* save/validate/merge pipeline is therefore untouched: no hidden JSON
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* blob, no new server-side parsing.
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*
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* 2. Its columns come from the schema, not from a list in here. A column
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* appears when any element declares that field, so a plugin adding a
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* field to its schema gets a control without this file changing, and a
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* logo that declares only offsets and a scale gets no empty font cell.
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*
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* 3. Mode tabs edit `customization.modes.<mode>`, whose fields mean
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* "inherit" when blank. Blank must post as empty (-> null), never as 0,
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* or every mode would pin itself to the base the first time it was saved.
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*
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* @module StyleEditorWidget
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*/
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(function () {
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'use strict';
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if (typeof window.LEDMatrixWidgets === 'undefined') {
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console.error('[StyleEditor] LEDMatrixWidgets registry not found. Load registry.js first.');
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return;
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}
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var FONT_CACHE = null;
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var FONT_INFLIGHT = null;
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var hasOwn = Object.prototype.hasOwnProperty;
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/**
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* Read one own property, by a key that came from data.
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*
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* Every lookup in here is keyed by something out of a schema or a saved
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* config -- an element name, a mode name, a field name. A key of
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* `__proto__` or `constructor` would otherwise walk up the prototype
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* chain and hand back a function instead of a schema, so reads go
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* through here and misses come back undefined.
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*/
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function own(obj, key) {
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if (!obj || typeof obj !== 'object') { return undefined; }
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return hasOwn.call(obj, key) ? obj[key] : undefined;
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}
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/** `own`, but always an object -- for `(x || {}).properties` chains. */
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function ownObj(obj, key) {
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var found = own(obj, key);
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return (found && typeof found === 'object') ? found : {};
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}
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/** The font catalog, fetched once per page. */
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function loadFonts() {
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if (FONT_CACHE) { return Promise.resolve(FONT_CACHE); }
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if (FONT_INFLIGHT) { return FONT_INFLIGHT; }
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FONT_INFLIGHT = fetch('/api/v3/fonts/catalog')
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.then(function (r) {
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if (!r.ok) { throw new Error('font catalog fetch failed: ' + r.status); }
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return r.json();
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})
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.then(function (payload) {
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var catalog = (payload && payload.data && payload.data.catalog) || {};
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FONT_CACHE = Object.keys(catalog).map(function (key) {
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var entry = ownObj(catalog, key);
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return {
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filename: entry.filename,
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label: entry.display_name || entry.filename,
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scalable: entry.scalable !== false,
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nativeSize: entry.native_size || null
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};
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}).sort(function (a, b) { return a.label.localeCompare(b.label); });
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return FONT_CACHE;
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})
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.catch(function (e) {
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console.warn('[StyleEditor] could not load the font catalog', e);
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// Leave FONT_CACHE unset and clear FONT_INFLIGHT so the next
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// call retries instead of being stuck on an empty result.
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FONT_INFLIGHT = null;
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return [];
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});
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return FONT_INFLIGHT;
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}
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function el(tag, attrs, children) {
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var node = document.createElement(tag);
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Object.keys(attrs || {}).forEach(function (k) {
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var v = own(attrs, k);
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if (k === 'class') { node.className = v; }
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else if (k === 'text') { node.textContent = v; }
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else if (v !== null && v !== undefined) {
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node.setAttribute(k, v);
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}
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});
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(children || []).forEach(function (c) { node.appendChild(c); });
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return node;
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}
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/** Walk a nested value object by path segments. */
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function at(value, path) {
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var cur = value;
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var i;
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for (i = 0; i < path.length; i++) {
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if (cur === null || typeof cur !== 'object') { return undefined; }
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cur = own(cur, path[i]);
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}
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return cur;
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}
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/**
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* What a control should show: the configured value if there is one,
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* else the schema default.
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*
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* The base tab must fall back to the default rather than leaving the
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* control empty. An empty <select> shows its first option, which for
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* fonts is whatever sorts first alphabetically -- so an untouched
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* scoreboard claimed every element used 10x20.bdf, and the size control
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* then locked itself to that bitmap font's fixed size. A mode tab is the
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* opposite: blank there means inherit, so it must stay blank.
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*/
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function effective(value, path, prop, optional) {
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var v = at(value, path);
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if (v !== undefined && v !== null) { return v; }
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if (optional) { return undefined; }
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return prop ? prop.default : undefined;
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}
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/**
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* Element blocks in a customization schema, in declared order.
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* `layout` and `modes` are containers, not elements.
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*/
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function elementKeys(schema) {
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var props = (schema && schema.properties) || {};
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var order = schema['x-propertyOrder'] || Object.keys(props);
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return order.filter(function (k) {
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return k !== 'layout' && k !== 'modes'
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&& own(props, k) && ownObj(props, k).properties;
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});
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}
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function titleOf(schema, key) {
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var prop = ownObj(schema.properties || {}, key);
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return prop.title || key.replace(/_/g, ' ');
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}
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// ---- individual controls -------------------------------------------
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/**
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* Fonts this field can actually honour.
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*
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* A bitmap (BDF) face renders at the one size baked into the file and
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* ignores the size setting, so an element that caps size at 16 can
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* still be handed a 27px face and overflow a 32px panel. The cap comes
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* from the element's own font_size.maximum, so this hides exactly the
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* faces that cannot meet the limit the plugin already declared --
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* rather than a list curated by hand, which is what these fields used
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* to carry and why an uploaded font could never appear in one.
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*/
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function usableFonts(fonts, maxFixedSize, current) {
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if (!maxFixedSize) { return fonts; }
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return fonts.filter(function (f) {
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// Keep the font already saved on this element even if it no
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// longer fits the cap -- dropping it would leave the select
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// with nothing chosen and silently misrepresent the config.
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if (current && f.filename === current) { return true; }
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if (f.scalable !== false) { return true; }
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// An unknown native size is not evidence it is too big.
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if (!f.nativeSize) { return true; }
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return f.nativeSize <= maxFixedSize;
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});
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}
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function fontControl(name, current, fonts, optional, onChange) {
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var select = el('select', {
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name: name,
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class: 'form-control text-sm style-editor-font'
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});
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if (optional) {
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select.appendChild(el('option', { value: '', text: 'Inherit' }));
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}
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fonts.forEach(function (f) {
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var opt = el('option', { value: f.filename, text: f.label });
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opt.dataset.scalable = f.scalable ? '1' : '0';
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opt.dataset.nativeSize = f.nativeSize || '';
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select.appendChild(opt);
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});
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if (current) { select.value = current; }
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if (onChange) { select.addEventListener('change', onChange); }
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return select;
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}
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function enumControl(name, current, choices, optional) {
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var select = el('select', {
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name: name,
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class: 'form-control text-sm style-editor-enum'
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});
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if (optional) {
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select.appendChild(el('option', { value: '', text: 'Inherit' }));
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}
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choices.forEach(function (c) {
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select.appendChild(el('option', {
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value: c,
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text: String(c).replace(/_/g, ' ')
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}));
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});
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if (current !== undefined && current !== null) { select.value = current; }
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return select;
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}
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function booleanControl(name, current, optional) {
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if (optional) {
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// Three states, not two: on, off, and "follow the base". A bare
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// checkbox cannot say the third, and an unchecked box would read
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// as "hide this in live mode" rather than "no preference".
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return enumControl(name, boolAsString(current),
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['true', 'false'], true);
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}
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// An unchecked checkbox posts nothing at all, so the hidden field
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// carries the value and the checkbox drives it. The save path turns
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// "true"/"false" into a real boolean.
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var wrap = el('div', { class: 'flex items-center' });
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var hidden = el('input', { type: 'hidden', name: name });
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var box = el('input', { type: 'checkbox', class: 'style-editor-check' });
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box.checked = current !== false;
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hidden.value = box.checked ? 'true' : 'false';
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box.addEventListener('change', function () {
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hidden.value = box.checked ? 'true' : 'false';
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});
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wrap.appendChild(box);
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wrap.appendChild(hidden);
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return wrap;
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}
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function boolAsString(value) {
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if (value === true) { return 'true'; }
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if (value === false) { return 'false'; }
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return undefined;
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}
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function numberControl(name, current, prop, placeholder) {
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var input = el('input', {
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type: 'number',
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name: name,
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class: 'form-control text-sm style-editor-size',
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placeholder: placeholder || ''
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});
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if (prop && prop.minimum !== undefined) { input.min = prop.minimum; }
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if (prop && prop.maximum !== undefined) { input.max = prop.maximum; }
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if (prop && prop.type
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&& String(prop.type).indexOf('number') !== -1) {
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input.step = 'any';
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}
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// Blank stays blank. For a mode field that is the inherit sentinel;
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// writing 0 here would pin the mode to the base on the next save.
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if (current !== undefined && current !== null) { input.value = current; }
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return input;
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}
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function toHex(rgb) {
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if (!Array.isArray(rgb) || rgb.length < 3) { return '#ffffff'; }
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return '#' + rgb.slice(0, 3).map(function (c) {
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var v = Math.max(0, Math.min(255, parseInt(c, 10) || 0));
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return ('0' + v.toString(16)).slice(-2);
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}).join('');
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}
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function colourControl(name, current, optional) {
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// Three number inputs carry the value (name.0/.1/.2 is what the save
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// path recombines); the colour swatch is the human control and just
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// drives them.
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var wrap = el('div', { class: 'flex items-center gap-1' });
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var has = Array.isArray(current) && current.length >= 3;
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var startValues = has ? current.slice(0, 3) : [];
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var channels = startValues.concat([null, null, null])
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.slice(0, 3)
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.map(function (channelValue, i) {
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var input = el('input', {
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type: 'hidden', name: name + '.' + i
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});
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if (has) { input.value = channelValue; }
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return input;
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});
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// A disabled input is not submitted at all, which is how an unset
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// optional colour says nothing rather than posting three empty
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// strings. The server copes with those too, but not posting them is
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// both clearer and one less thing depending on that.
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function setSubmitted(on) {
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channels.forEach(function (c) { c.disabled = !on; });
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}
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setSubmitted(!optional || has);
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var clearBtn = null;
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var swatch = el('input', {
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type: 'color',
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class: 'style-editor-colour',
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value: has ? toHex(current) : '#ffffff'
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});
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swatch.addEventListener('input', function () {
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var hex = swatch.value;
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channels.forEach(function (channel, i) {
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channel.value = parseInt(hex.substr(1 + i * 2, 2), 16);
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});
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setSubmitted(true);
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if (clearBtn) { clearBtn.classList.remove('hidden'); }
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});
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wrap.appendChild(swatch);
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channels.forEach(function (c) { wrap.appendChild(c); });
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if (optional) {
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// A mode colour must be able to go back to "inherit", which means
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// posting nothing at all -- an <input type=color> has no empty
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// state of its own.
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clearBtn = el('button', {
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type: 'button',
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class: 'text-xs text-gray-500 hover:text-gray-800 style-editor-clear',
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title: 'Inherit the colour above',
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text: '×'
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});
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if (!has) { clearBtn.classList.add('hidden'); }
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clearBtn.addEventListener('click', function () {
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channels.forEach(function (c) { c.value = ''; });
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setSubmitted(false);
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swatch.value = '#ffffff';
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clearBtn.classList.add('hidden');
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});
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wrap.appendChild(clearBtn);
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}
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return wrap;
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}
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// ---- columns ---------------------------------------------------------
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var COLUMN_ORDER = ['font', 'font_size', 'text_color', 'align', 'visible',
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'x_offset', 'y_offset', 'scale'];
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var COLUMN_LABELS = {
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font: 'Font', font_size: 'Size', text_color: 'Colour',
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align: 'Align', visible: 'Show',
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x_offset: 'X', y_offset: 'Y', scale: 'Scale'
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};
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var COLUMN_WIDTHS = {
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font: 'minmax(8rem, 2fr)', text_color: '4.5rem', align: '6rem',
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visible: '3.5rem'
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};
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/**
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* The columns a table needs, derived from the schema rather than fixed.
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*
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* Two sources: the sub-fields elements declare (font, font_size,
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* text_color, visible, align) and the sub-fields their layout blocks
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* declare (x_offset, y_offset, scale).
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*/
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function columnsFor(schema) {
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var props = schema.properties || {};
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var layoutProps = ownObj(props, 'layout').properties || {};
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// No prototype to inherit from, so a field literally named
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// "constructor" is a column like any other.
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var seen = Object.create(null);
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elementKeys(schema).forEach(function (key) {
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Object.keys(ownObj(props, key).properties || {}).forEach(
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function (f) { seen[f] = 'element'; });
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Object.keys(ownObj(layoutProps, key).properties || {}).forEach(
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function (f) { seen[f] = 'layout'; });
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});
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var known = COLUMN_ORDER.filter(function (f) { return own(seen, f); });
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// Anything the schema declares that this file has never heard of
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// still gets a column, rather than silently vanishing.
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var extra = Object.keys(seen).filter(function (f) {
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return COLUMN_ORDER.indexOf(f) === -1;
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}).sort();
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return known.concat(extra).map(function (f) {
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return {
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key: f,
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where: own(seen, f),
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label: own(COLUMN_LABELS, f) || f.replace(/_/g, ' ')
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};
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});
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}
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/** Build the control for one cell from its schema property. */
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function control(opts) {
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var prop = opts.prop;
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var declared = prop.type;
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var types = Array.isArray(declared) ? declared : [declared];
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var xOptions = prop['x-options'] || prop['x_options'] || {};
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var cap = Number(xOptions.maxFixedSize) || opts.maxFixedSize || null;
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if (opts.key === 'font' || prop['x-widget'] === 'font-selector') {
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return fontControl(opts.name, opts.current,
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usableFonts(opts.fonts, cap, opts.current),
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opts.optional, opts.onFontChange);
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}
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if (types.indexOf('boolean') !== -1) {
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return booleanControl(opts.name, opts.current, opts.optional);
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}
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if (types.indexOf('array') !== -1) {
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return colourControl(opts.name, opts.current, opts.optional);
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}
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if (Array.isArray(prop.enum)) {
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return enumControl(opts.name, opts.current, prop.enum,
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opts.optional);
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}
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return numberControl(opts.name, opts.current, prop,
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opts.optional ? 'inherit' : '');
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}
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function elementRow(opts) {
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var schema = opts.schema;
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var key = opts.key;
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var value = opts.value;
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var optional = opts.optional;
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var props = ownObj(schema.properties || {}, key).properties || {};
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var layoutProps = ownObj(schema.properties || {}, 'layout').properties || {};
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var axes = ownObj(layoutProps, key).properties || {};
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var row = el('div', {
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class: 'style-editor-row grid items-center gap-2 py-1',
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'data-element': key
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});
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row.appendChild(el('div', {
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class: 'text-sm text-gray-700 style-editor-label',
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text: titleOf(schema, key)
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}));
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var sizeInput = null;
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var sizeNote = el('span', { class: 'text-xs text-gray-500 ml-1' });
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var fontSelect = null;
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function syncSize(select) {
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// A BDF font has exactly one usable pixel size; offering a free
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// number there offers something that cannot take effect.
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if (!sizeInput || !select) { return; }
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var opt = select.options[select.selectedIndex];
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var scalable = !opt || opt.dataset.scalable !== '0';
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if (scalable) {
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sizeInput.disabled = false;
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sizeInput.title = '';
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sizeNote.textContent = '';
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} else {
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sizeInput.disabled = true;
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sizeInput.value = opt.dataset.nativeSize || '';
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sizeInput.title = 'This is a bitmap font; it renders at one fixed size.';
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sizeNote.textContent = 'fixed';
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}
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}
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opts.columns.forEach(function (col) {
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var inLayout = col.where === 'layout';
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var prop = inLayout ? own(axes, col.key) : own(props, col.key);
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var cell;
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if (!prop) {
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// This element does not declare that field; keep the grid
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// aligned with an empty cell.
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row.appendChild(el('span'));
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return;
|
||
}
|
||
var path = inLayout ? ['layout', key, col.key] : [key, col.key];
|
||
var base = inLayout ? opts.layoutPrefix + '.' + key
|
||
: opts.prefix + '.' + key;
|
||
var node = control({
|
||
key: col.key,
|
||
prop: prop,
|
||
name: base + '.' + col.key,
|
||
current: effective(value, path, prop, optional),
|
||
optional: optional,
|
||
fonts: opts.fonts,
|
||
// The element's declared size ceiling is what a fixed-size
|
||
// font has to fit under.
|
||
maxFixedSize: (props.font_size || {}).maximum || null,
|
||
onFontChange: function () { syncSize(fontSelect); }
|
||
});
|
||
if (col.key === 'font') { fontSelect = node; }
|
||
if (col.key === 'font_size') {
|
||
sizeInput = node;
|
||
cell = el('div', { class: 'flex items-center' });
|
||
cell.appendChild(node);
|
||
cell.appendChild(sizeNote);
|
||
node = cell;
|
||
}
|
||
row.appendChild(node);
|
||
});
|
||
|
||
if (fontSelect) { syncSize(fontSelect); }
|
||
return row;
|
||
}
|
||
|
||
function header(columns) {
|
||
var row = el('div', {
|
||
class: 'style-editor-row style-editor-head grid gap-2 pb-1 mb-1 border-b border-gray-300'
|
||
});
|
||
['Element'].concat(columns.map(function (c) { return c.label; }))
|
||
.forEach(function (label) {
|
||
row.appendChild(el('div', {
|
||
class: 'text-xs font-semibold text-gray-500 uppercase',
|
||
text: label
|
||
}));
|
||
});
|
||
return row;
|
||
}
|
||
|
||
function table(opts) {
|
||
var wrap = el('div', { class: 'style-editor-table' });
|
||
var columns = columnsFor(opts.schema);
|
||
// Sized here rather than in CSS: the column count depends on what
|
||
// the plugin declared.
|
||
wrap.style.gridTemplateColumns = '';
|
||
wrap.style.setProperty('--style-editor-columns',
|
||
'minmax(7rem, 1.4fr) ' + columns.map(function (c) {
|
||
return COLUMN_WIDTHS[c.key] || '5rem';
|
||
}).join(' '));
|
||
wrap.appendChild(header(columns));
|
||
elementKeys(opts.schema).forEach(function (key) {
|
||
wrap.appendChild(elementRow({
|
||
schema: opts.schema,
|
||
key: key,
|
||
columns: columns,
|
||
prefix: opts.prefix,
|
||
layoutPrefix: opts.prefix + '.layout',
|
||
value: opts.value,
|
||
fonts: opts.fonts,
|
||
optional: opts.optional
|
||
}));
|
||
});
|
||
return wrap;
|
||
}
|
||
|
||
// ---- widget ----------------------------------------------------------
|
||
|
||
window.LEDMatrixWidgets.register('style-editor', {
|
||
name: 'Style Editor',
|
||
version: '1.1.0',
|
||
|
||
render: function (container, config, value, options) {
|
||
var schema = (config && config.schema) || {};
|
||
var base = (options && options.name) || 'customization';
|
||
var current = value || {};
|
||
|
||
container.innerHTML = '';
|
||
var root = el('div', { class: 'style-editor' });
|
||
container.appendChild(root);
|
||
|
||
loadFonts().then(function (fonts) {
|
||
var modeProps = ownObj(schema.properties || {}, 'modes').properties || {};
|
||
var modes = Object.keys(modeProps);
|
||
|
||
// A list, not a keyed object: the ids are mode names out of
|
||
// the schema, and nothing here needs a lookup by key.
|
||
var panels = [];
|
||
var tabs = null;
|
||
if (modes.length) {
|
||
tabs = el('div', { class: 'style-editor-tabs flex gap-1 mb-2' });
|
||
root.appendChild(tabs);
|
||
}
|
||
|
||
function panel(id, node) {
|
||
panels.push({ id: id, node: node });
|
||
node.classList.add('style-editor-panel');
|
||
root.appendChild(node);
|
||
}
|
||
|
||
function show(id) {
|
||
panels.forEach(function (p) {
|
||
p.node.hidden = (p.id !== id);
|
||
});
|
||
if (!tabs) { return; }
|
||
Array.prototype.forEach.call(tabs.children, function (b) {
|
||
b.classList.toggle('is-active', b.dataset.panel === id);
|
||
});
|
||
}
|
||
|
||
function tab(id, label) {
|
||
if (!tabs) { return; }
|
||
var b = el('button', {
|
||
type: 'button',
|
||
class: 'style-editor-tab text-sm px-3 py-1 rounded',
|
||
text: label
|
||
});
|
||
b.dataset.panel = id;
|
||
b.addEventListener('click', function () { show(id); });
|
||
tabs.appendChild(b);
|
||
}
|
||
|
||
panel('__base__', table({
|
||
schema: schema, prefix: base, value: current,
|
||
fonts: fonts, optional: false
|
||
}));
|
||
tab('__base__', 'All modes');
|
||
|
||
modes.forEach(function (mode) {
|
||
var modeSchema = ownObj(modeProps, mode);
|
||
var modeValue = at(current, ['modes', mode]) || {};
|
||
var node = el('div');
|
||
node.appendChild(el('p', {
|
||
class: 'text-xs text-gray-500 mb-2',
|
||
text: 'Anything left blank follows the "All modes" tab.'
|
||
}));
|
||
node.appendChild(table({
|
||
schema: modeSchema,
|
||
prefix: base + '.modes.' + mode,
|
||
value: modeValue,
|
||
fonts: fonts,
|
||
optional: true
|
||
}));
|
||
panel(mode, node);
|
||
tab(mode, modeSchema.title || mode);
|
||
});
|
||
|
||
show('__base__');
|
||
});
|
||
},
|
||
|
||
getValue: function () {
|
||
// The inputs are ordinary named form fields; the form itself is
|
||
// the source of truth, so there is no separate value to hand back.
|
||
return null;
|
||
}
|
||
});
|
||
|
||
console.log('[StyleEditor] widget registered');
|
||
})();
|