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public/nav-agent/nav-agent.js
621 lines
/* ============================================================================
* Nav Agent — universal grid-controls drop-in (v1.2)
*
* Drop one <script src=".../nav-agent.js" defer></script> (+ the CSS) onto any
* page. It auto-detects the primary data grid (a <table> or a .grid/.card list),
* then injects:
* • a LEFT collapsible panel: text search, per-FIELD show/hide toggles,
* sort-by-any-field (asc/desc), group-by-any-field, density slider
* • a Grid / List view toggle — List is the compact "kv-list" third view:
* one scannable row per record, first visible field as the identity + the
* rest as inline LABEL·value chips (default OFF; the native grid is default)
* • movable / resizable / collapsible / removable / maximizable panel chrome
* on the grid itself
* All state persists to localStorage, namespaced per page path, so every
* surface remembers its own layout. Strictly additive & wrapped in try/catch —
* if it can't understand a page it degrades (panel chrome + search + density)
* and never throws into the host page.
*
* Manual control: window.NavAgent.mount({ target:'#grid', title:'Deals' })
* Opt-out a page: <body data-nav-agent="off">
* Force a target: <div id="grid" data-nav-grid> ... </div>
* ==========================================================================*/
(function () {
'use strict';
if (window.NavAgent) return;
var _uid = 0;
var navKey = function (target) {
if (!target.getAttribute('data-na-uid')) target.setAttribute('data-na-uid', target.id || ('g' + (++_uid)));
return 'navagent:' + location.pathname + ':' + target.getAttribute('data-na-uid');
};
var load = function (key) { try { return JSON.parse(localStorage.getItem(key)) || {}; } catch (e) { return {}; } };
var save = function (key, s) { try { localStorage.setItem(key, JSON.stringify(s)); } catch (e) {} };
var slug = function (t) { return String(t || '').toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/^-|-$/g, '') || 'f'; };
var txt = function (el) { return (el && el.textContent || '').trim(); };
// magnitude-aware numeric parse — $2.1B > $780M > 42. Handles K/M/B/T + commas.
var num = function (v) {
var s = String(v).replace(/,/g, '').trim();
var m = s.match(/-?\d*\.?\d+/); if (!m) return null;
var n = parseFloat(m[0]); if (isNaN(n)) return null;
var suf = (s.slice(m.index + m[0].length).match(/[kmbt]/i) || [''])[0].toLowerCase();
var mult = { k: 1e3, m: 1e6, b: 1e9, t: 1e12 }[suf] || 1;
return n * mult;
};
var el = function (tag, cls, html) { var e = document.createElement(tag); if (cls) e.className = cls; if (html != null) e.innerHTML = html; return e; };
/* -- target detection -------------------------------------------------- */
function findTarget(opt) {
if (opt && opt.target) return document.querySelector(opt.target);
var q = document.querySelector('[data-nav-grid]');
if (q) return q;
// biggest visible table wins, else #grid, else first .grid, else .cards
var tables = [].slice.call(document.querySelectorAll('table'))
.filter(function (t) { return t.querySelector('tbody tr') && t.offsetParent !== null; })
.sort(function (a, b) { return b.querySelectorAll('tr').length - a.querySelectorAll('tr').length; });
if (tables[0] && tables[0].querySelectorAll('tr').length > 2) return tables[0];
return document.querySelector('#grid') || document.querySelector('.grid') ||
document.querySelector('.cards') || tables[0] || null;
}
/* -- field model ------------------------------------------------------- */
// Returns { kind:'table'|'cards', fields:[{key,label,idx?,cls?}], items() }
function model(target) {
if (target.tagName === 'TABLE') {
var ths = [].slice.call(target.querySelectorAll('thead th, thead td'));
if (!ths.length) { // header-less table: synthesize from first row
var r0 = target.querySelector('tbody tr, tr');
ths = r0 ? [].slice.call(r0.children).map(function (_, i) { var s = el('th'); s.textContent = 'Col ' + (i + 1); return s; }) : [];
}
var fields = ths.map(function (th, i) { return { key: slug(txt(th)) + '-' + i, label: txt(th) || ('Col ' + (i + 1)), idx: i }; });
return {
kind: 'table', fields: fields,
rows: function () { return [].slice.call(target.querySelectorAll('tbody tr')).filter(function (r) { return !r.classList.contains('na-group-h'); }); },
cellText: function (row, f) { var c = row.children[f.idx]; return txt(c); }
};
}
// card grid — infer fields from repeated child element classes / [data-field]
var cards = [].slice.call(target.children).filter(function (c) { return c.nodeType === 1 && !c.classList.contains('na-group-h') && !c.classList.contains('na-group-body'); });
var sample = cards.slice(0, 24), seen = {}, order = [];
sample.forEach(function (card) {
var dfCells = [].slice.call(card.querySelectorAll('[data-field]'));
dfCells.forEach(function (n) {
var k = n.getAttribute('data-field'); if (!seen[k]) { seen[k] = { key: slug(k), label: k, cls: '[data-field="' + k + '"]', df: k, hits: 0 }; order.push(seen[k]); } seen[k].hits++;
});
// coarse child-class fields ONLY when this card tags no [data-field] cells —
// otherwise a cell with both a class and a data-field yields a duplicate field.
if (dfCells.length) return;
[].slice.call(card.children).forEach(function (n) {
var cls = (n.className && typeof n.className === 'string') ? n.className.split(/\s+/)[0] : '';
if (!cls || cls.indexOf('na-') === 0) return;
var k = 'c-' + cls;
if (!seen[k]) { seen[k] = { key: slug(cls), label: cls.replace(/[-_]/g, ' '), cls: '.' + cls, hits: 0 }; order.push(seen[k]); } seen[k].hits++;
});
});
// keep fields present on a majority of sampled cards (stable structure)
var min = Math.max(1, Math.floor(sample.length * 0.4));
var fields = order.filter(function (f) { return f.hits >= min; });
return {
kind: 'cards', cards: true, fields: fields,
rows: function () { return [].slice.call(target.children).filter(function (c) { return c.nodeType === 1 && !c.classList.contains('na-group-h') && !c.classList.contains('na-group-body') && c.offsetParent !== null || (c.nodeType === 1 && !c.classList.contains('na-group-h')); }); },
cellText: function (card, f) { var n = f.df ? card.querySelector('[data-field="' + f.df + '"]') : card.querySelector(f.cls); return txt(n); }
};
}
/* -- one instance ------------------------------------------------------ */
function Agent(target, opt) {
var key = navKey(target);
var st = load(key);
var M = model(target);
var self = { target: target, model: M, state: st, key: key };
var applyingSort = false;
/* field show/hide via CONTAINER classes (survives host re-renders) */
function fieldStyleTag() {
var id = 'na-style-' + key.replace(/[^a-z0-9]/gi, '');
var tag = document.getElementById(id) || (function () { var t = el('style'); t.id = id; document.head.appendChild(t); return t; })();
var css = '';
(st.hidden || []).forEach(function (key) {
var f = M.fields.filter(function (x) { return x.key === key; })[0]; if (!f) return;
if (M.kind === 'table') {
css += 'table[data-na] thead th:nth-child(' + (f.idx + 1) + '),table[data-na] tbody td:nth-child(' + (f.idx + 1) + '){display:none}';
} else {
css += target.getAttribute('data-na-sel') + ' ' + f.cls + '{display:none}';
}
});
tag.textContent = css;
}
function applySort() {
if (!st.sort) return;
var f = M.fields.filter(function (x) { return x.key === st.sort; })[0]; if (!f) return;
var dir = st.dir === 'desc' ? -1 : 1;
var rows = M.rows();
if (!rows.length) return;
applyingSort = true;
// detect numeric
var numeric = rows.slice(0, 12).every(function (r) { var v = M.cellText(r, f); return v === '' || num(v) !== null; });
rows.sort(function (a, b) {
var va = M.cellText(a, f), vb = M.cellText(b, f);
if (numeric) { var na = num(va), nb = num(vb); na = na == null ? -Infinity : na; nb = nb == null ? -Infinity : nb; return (na - nb) * dir; }
return va.localeCompare(vb, undefined, { numeric: true }) * dir;
});
var parent = M.kind === 'table' ? target.querySelector('tbody') : target;
rows.forEach(function (r) { parent.appendChild(r); });
applyGroup(); // grouping depends on sorted order
applyingSort = false;
}
function clearGroups() {
[].slice.call(target.querySelectorAll('.na-group-h')).forEach(function (n) { n.remove(); });
}
function applyGroup() {
clearGroups();
if (!st.group) return;
var f = M.fields.filter(function (x) { return x.key === st.group; })[0]; if (!f) return;
var rows = M.rows(), last = null, parent = M.kind === 'table' ? target.querySelector('tbody') : target;
var counts = {};
rows.forEach(function (r) { var v = M.cellText(r, f) || '—'; counts[v] = (counts[v] || 0) + 1; });
rows.forEach(function (r) {
var v = M.cellText(r, f) || '—';
if (v !== last) {
var h;
if (M.kind === 'table') { h = el('tr', 'na-group-h'); var td = el('td'); td.colSpan = M.fields.length; td.innerHTML = '▸ ' + esc(v) + ' <span class="na-gcount">(' + counts[v] + ')</span>'; h.appendChild(td); }
else { h = el('div', 'na-group-h', '▸ ' + esc(v) + ' <span class="na-gcount">(' + counts[v] + ')</span>'); }
parent.insertBefore(h, r); last = v;
}
});
}
function applySearch() {
var qraw = (st.q || '').toLowerCase();
M.rows().forEach(function (r) {
var show = !qraw || r.textContent.toLowerCase().indexOf(qraw) >= 0;
r.style.display = show ? '' : 'none';
});
}
function applyAll() { fieldStyleTag(); applySort(); applySearch(); if (self.renderList && st.view === 'list') self.renderList(); }
/* re-apply after host re-renders (debounced, ignores our own mutations).
If the FIELD SET changed (async data arrived, filter repopulated), tell
mount() to rebuild the panel UI. */
function fieldSig(m) { return m.kind + ':' + m.fields.map(function (f) { return f.key; }).join(','); }
var sig = fieldSig(M);
var t;
var mo = new MutationObserver(function () {
if (applyingSort) return;
clearTimeout(t); t = setTimeout(function () {
M = model(target); self.model = M;
var ns = fieldSig(M);
if (ns !== sig) { sig = ns; if (self.onFields) try { self.onFields(); } catch (e) {} }
applyAll();
}, 140);
});
try { mo.observe(M.kind === 'table' ? (target.querySelector('tbody') || target) : target, { childList: true }); } catch (e) {}
self.applyAll = applyAll;
self.applySort = applySort;
self.applyGroup = applyGroup;
self.applySearch = applySearch;
self.save = function () { save(key, st); };
return self;
}
function esc(s) { return String(s).replace(/[&<>"]/g, function (c) { return ({ '&': '&', '<': '<', '>': '>', '"': '"' })[c]; }); }
/* -- Grid / List view toggle (shared by standalone + merged panels) ---- */
function viewToggle(agent) {
var st = agent.state, wrap = el('div', 'na-viewseg');
wrap.innerHTML = '<button data-v="grid">▦ Grid</button><button data-v="list">☰ List</button>';
function mark() { [].slice.call(wrap.children).forEach(function (b) { b.classList.toggle('on', (st.view || 'grid') === b.getAttribute('data-v')); }); }
[].slice.call(wrap.children).forEach(function (b) { b.onclick = function () { agent.setView(b.getAttribute('data-v')); mark(); }; });
mark(); return wrap;
}
/* -- panel UI ---------------------------------------------------------- */
function buildPanel(agent, opt) {
var M = agent.model, st = agent.state;
var panel = el('aside', 'na-panel');
panel.setAttribute('role', 'dialog'); panel.setAttribute('aria-label', 'View controls');
var title = (opt && opt.title) || document.title || 'View';
panel.appendChild(el('header', null,
'<span class="na-title">⚙ View · ' + esc(title) + '</span>' +
'<button class="na-x" title="Close">✕</button>'));
var body = el('div', 'na-body'); panel.appendChild(body);
// Grid / List view toggle (only meaningful when we have fields to lay out)
if (M.fields && M.fields.length) body.appendChild(viewToggle(agent));
// search
var search = el('input', 'na-search'); search.type = 'search'; search.placeholder = 'Search all fields…';
search.value = st.q || '';
search.addEventListener('input', function () { st.q = search.value; agent.save(); agent.applySearch(); });
body.appendChild(search);
function section(label, openDefault) {
var s = el('div', 'na-sec' + (openDefault ? ' open' : ''));
s.appendChild(el('div', 'na-h', label));
var c = el('div', 'na-c'); s.appendChild(c);
s.querySelector('.na-h').addEventListener('click', function () { s.classList.toggle('open'); });
body.appendChild(s); return c;
}
var haveFields = M.fields && M.fields.length;
// FIELDS toggle
if (haveFields) {
var fc = section('Fields (' + M.fields.length + ')', true);
st.hidden = st.hidden || [];
M.fields.forEach(function (f) {
var row = el('label', 'na-fieldrow');
var cb = el('input'); cb.type = 'checkbox'; cb.checked = st.hidden.indexOf(f.key) < 0;
cb.addEventListener('change', function () {
var i = st.hidden.indexOf(f.key);
if (cb.checked && i >= 0) st.hidden.splice(i, 1);
else if (!cb.checked && i < 0) st.hidden.push(f.key);
agent.save(); agent.applyAll();
});
row.appendChild(cb);
row.appendChild(el('span', null, esc(f.label)));
fc.appendChild(row);
});
var mini = el('div', 'na-mini',
'<button data-all>All</button><button data-none>None</button>');
mini.querySelector('[data-all]').onclick = function () { st.hidden = []; agent.save(); agent.applyAll(); refreshChecks(); };
mini.querySelector('[data-none]').onclick = function () { st.hidden = M.fields.map(function (f) { return f.key; }); agent.save(); agent.applyAll(); refreshChecks(); };
fc.appendChild(mini);
function refreshChecks() { [].slice.call(fc.querySelectorAll('.na-fieldrow input')).forEach(function (cb, i) { cb.checked = st.hidden.indexOf(M.fields[i].key) < 0; }); }
}
// SORT
if (haveFields) {
var sc = section('Sort', true);
var srow = el('div', 'na-row', '<label>Field</label>');
var sel = el('select'); sel.appendChild(new Option('— none —', ''));
M.fields.forEach(function (f) { sel.appendChild(new Option(f.label, f.key)); });
sel.value = st.sort || ''; srow.appendChild(sel); sc.appendChild(srow);
var dir = el('div', 'na-mini', '<button data-asc>▲ Asc</button><button data-desc>▼ Desc</button>');
function markDir() { dir.querySelector('[data-asc]').classList.toggle('on', st.dir !== 'desc'); dir.querySelector('[data-desc]').classList.toggle('on', st.dir === 'desc'); }
sel.addEventListener('change', function () { st.sort = sel.value; agent.save(); agent.applySort(); });
dir.querySelector('[data-asc]').onclick = function () { st.dir = 'asc'; markDir(); agent.save(); agent.applySort(); };
dir.querySelector('[data-desc]').onclick = function () { st.dir = 'desc'; markDir(); agent.save(); agent.applySort(); };
markDir(); sc.appendChild(dir);
}
// GROUP
if (haveFields) {
var gc = section('Group by', false);
var grow = el('div', 'na-row', '<label>Field</label>');
var gsel = el('select'); gsel.appendChild(new Option('— none —', ''));
M.fields.forEach(function (f) { gsel.appendChild(new Option(f.label, f.key)); });
gsel.value = st.group || ''; grow.appendChild(gsel); gc.appendChild(grow);
gsel.addEventListener('change', function () { st.group = gsel.value; agent.save(); agent.applyGroup(); });
}
// DENSITY (only if the target reacts to --cols or has a page density var)
var dc = section('Density', false);
var drow = el('div', 'na-row', '<label>Cols</label>');
var rng = el('input'); rng.type = 'range'; rng.min = 2; rng.max = 12; rng.value = st.cols || getComputedCols(agent.target) || 5;
rng.addEventListener('input', function () { st.cols = +rng.value; agent.save(); setCols(agent.target, +rng.value); });
drow.appendChild(rng); dc.appendChild(drow);
dc.appendChild(el('div', 'na-note', 'Adjusts grid columns where the layout supports it.'));
if (st.cols) setCols(agent.target, st.cols);
if (!haveFields) body.appendChild(el('div', 'na-note',
'No structured fields detected on this grid — field toggles, sort & group need <code><table></code> headers or <code>[data-field]</code>/classed card elements. Search, density and the movable panel are active.'));
var reset = el('button', 'na-reset', '↺ Reset this page’s view');
reset.onclick = function () { try { localStorage.removeItem(agent.key); } catch (e) {} location.reload(); };
body.appendChild(reset);
panel.querySelector('.na-x').onclick = function () { panel.classList.remove('open'); };
document.body.appendChild(panel);
return panel;
}
function getComputedCols(t) { try { var v = getComputedStyle(t).getPropertyValue('--cols'); return v ? parseInt(v) : null; } catch (e) { return null; } }
function setCols(t, n) {
try {
t.style.setProperty('--cols', n);
// fallback for grids without a --cols hook
if (!/grid-template-columns/.test(t.style.cssText) && getComputedStyle(t).display === 'grid')
t.style.gridTemplateColumns = 'repeat(' + n + ',minmax(0,1fr))';
} catch (e) {}
}
/* -- movable / resizable / removable panel chrome ---------------------- */
function chrome(agent, opt) {
var t = agent.target;
if (t.closest('.na-wrap')) return;
var wrap = el('div', 'na-wrap');
var title = (opt && opt.title) || document.title || 'Data';
var bar = el('div', 'na-bar',
'<span class="na-bt">▤ ' + esc(title) + '</span>' +
'<button data-collapse title="Collapse">▁</button>' +
'<button data-max title="Maximize / float">⤢</button>' +
'<button data-remove title="Remove panel">✕</button>');
var inner = el('div', 'na-inner');
t.parentNode.insertBefore(wrap, t);
wrap.appendChild(bar); wrap.appendChild(inner); inner.appendChild(t);
var g = agent.state.geo || {};
bar.querySelector('[data-collapse]').onclick = function () { wrap.classList.toggle('na-collapsed'); persist(); };
bar.querySelector('[data-max]').onclick = function () { wrap.classList.toggle('na-max'); wrap.classList.remove('na-float'); persist(); };
bar.querySelector('[data-remove]').onclick = function () { wrap.classList.add('na-removed'); addRestore(); persist(); };
// drag to float/move
var down = null;
bar.addEventListener('mousedown', function (e) {
if (e.target.tagName === 'BUTTON') return;
var r = wrap.getBoundingClientRect();
if (!wrap.classList.contains('na-float')) { wrap.classList.add('na-float'); wrap.style.left = r.left + 'px'; wrap.style.top = r.top + 'px'; wrap.style.width = r.width + 'px'; }
down = { x: e.clientX, y: e.clientY, l: parseFloat(wrap.style.left) || r.left, t: parseFloat(wrap.style.top) || r.top };
e.preventDefault();
});
window.addEventListener('mousemove', function (e) {
if (!down) return;
wrap.style.left = (down.l + e.clientX - down.x) + 'px';
wrap.style.top = Math.max(0, down.t + e.clientY - down.y) + 'px';
});
window.addEventListener('mouseup', function () { if (down) { down = null; persist(); } });
function persist() {
agent.state.geo = {
float: wrap.classList.contains('na-float'), max: wrap.classList.contains('na-max'),
collapsed: wrap.classList.contains('na-collapsed'), removed: wrap.classList.contains('na-removed'),
left: wrap.style.left, top: wrap.style.top, width: wrap.style.width, height: wrap.style.height
};
agent.save();
}
function addRestore() {
var rb = document.querySelector('.na-restorebar') || (function () { var b = el('div', 'na-restorebar'); document.body.appendChild(b); return b; })();
var btn = el('button', null, '⟲ ' + esc(title));
btn.onclick = function () { wrap.classList.remove('na-removed'); btn.remove(); persist(); };
rb.appendChild(btn);
}
// restore saved geometry
if (g.float) { wrap.classList.add('na-float'); ['left', 'top', 'width', 'height'].forEach(function (k) { if (g[k]) wrap.style[k] = g[k]; }); }
if (g.max) wrap.classList.add('na-max');
if (g.collapsed) wrap.classList.add('na-collapsed');
// ROOT FIX (Steve-approved 2026-08-17): a "removed" grid must NEVER stay hidden across reloads —
// that trap has no recovery and blanked whole pages (CRCP mls.html). Do NOT restore `removed` on
// load: the grid always reappears; in-session Remove still works, it just no longer persist-hides.
// (Float / max / collapsed still persist — those are safe, recoverable layout choices.)
}
/* -- merged mode: fold into an existing house panel ("2 into 1") ------- */
function findHousePanel(target) {
var asides = [].slice.call(document.querySelectorAll('aside, .sidebar, .panel-left, [data-house-panel]'));
for (var i = 0; i < asides.length; i++) {
var a = asides[i];
if (a.classList.contains('na-panel')) continue;
if (a.contains(target)) continue; // a real control sidebar won't contain the grid
if (a.querySelector('input, select, details, .toggle, .chip')) return a; // has controls
}
return null;
}
function buildMergeSection(agent, house, opt) {
var M = agent.model, st = agent.state;
var old = house.querySelector('.na-merge'); if (old) old.remove();
var box = el('div', 'na-merge');
box.appendChild(el('div', 'na-mh', '⚙ Nav Agent'));
if (M.fields && M.fields.length) {
// sort ANY field (superset of the house's fixed sort options)
var srow = el('div', 'na-row', '<label>Sort</label>');
var ssel = el('select'); ssel.appendChild(new Option('— none —', ''));
M.fields.forEach(function (f) { ssel.appendChild(new Option(f.label, f.key)); });
ssel.value = st.sort || ''; srow.appendChild(ssel); box.appendChild(srow);
var dir = el('div', 'na-mini', '<button data-asc>▲ Asc</button><button data-desc>▼ Desc</button>');
function markDir() { dir.querySelector('[data-asc]').classList.toggle('on', st.dir !== 'desc'); dir.querySelector('[data-desc]').classList.toggle('on', st.dir === 'desc'); }
ssel.onchange = function () { st.sort = ssel.value; agent.save(); agent.applySort(); };
dir.querySelector('[data-asc]').onclick = function () { st.dir = 'asc'; agent.save(); agent.applySort(); markDir(); };
dir.querySelector('[data-desc]').onclick = function () { st.dir = 'desc'; agent.save(); agent.applySort(); markDir(); };
markDir(); box.appendChild(dir);
// group ANY field
var grow = el('div', 'na-row', '<label>Group</label>');
var gsel = el('select'); gsel.appendChild(new Option('— none —', ''));
M.fields.forEach(function (f) { gsel.appendChild(new Option(f.label, f.key)); });
gsel.value = st.group || ''; gsel.onchange = function () { st.group = gsel.value; agent.save(); agent.applyGroup(); };
grow.appendChild(gsel); box.appendChild(grow);
}
if (M.fields && M.fields.length) box.appendChild(viewToggle(agent));
box.appendChild(el('div', 'na-note', 'Drag the grid’s ▤ bar to float · ▁ collapse · ⤢ maximize · ✕ remove.'));
house.appendChild(box);
return box;
}
/* -- public mount ------------------------------------------------------ */
var API = {
instances: [],
mount: function (opt) {
opt = opt || {};
try {
var target = findTarget(opt);
if (!target) return null;
if (target.__naMounted) return target.__naAgent;
target.__naMounted = true;
if (target.tagName === 'TABLE') target.setAttribute('data-na', '1');
else target.setAttribute('data-na-sel', target.id ? '#' + target.id : '.' + (target.className.split(/\s+/)[0] || 'grid'));
var agent = Agent(target, opt);
target.__naAgent = agent;
// ---- compact LIST view (the kv-list "third view", v1.2) -----------
// Renders each live grid row as one scannable line: first visible field
// as the identity, the rest as inline LABEL·value chips. DOM-based (reads
// M.cellText), so sort/search/field-toggle all flow through for free.
// Default OFF — the page's native grid stays the default view.
function ensureListEl() {
if (agent._listEl) return agent._listEl;
var lel = el('div', 'na-list');
(target.parentNode || target).insertBefore(lel, target.nextSibling);
agent._listEl = lel; return lel;
}
agent.renderList = function () {
var lel = agent._listEl; if (!lel) return;
var M2 = agent.model, hidden = agent.state.hidden || [];
var vis = (M2.fields || []).filter(function (f) { return hidden.indexOf(f.key) < 0; });
if (!vis.length) vis = (M2.fields || []).slice();
if (!vis.length) { lel.innerHTML = '<div class="na-lempty">No structured fields detected on this grid.</div>'; return; }
var titleF = vis[0], chipF = vis.slice(1);
var rows = M2.rows().filter(function (r) { return r.style.display !== 'none'; });
if (!rows.length) { lel.innerHTML = '<div class="na-lempty">No matching rows.</div>'; return; }
lel.innerHTML = '<div class="na-lrows">' + rows.map(function (r) {
var tt = esc(M2.cellText(r, titleF) || '—');
var chips = chipF.map(function (f) {
var v = M2.cellText(r, f); if (v === '' || v == null) return '';
return '<span class="na-lm"><span class="na-lmk">' + esc(f.label) + '</span>' + esc(v) + '</span>';
}).join('');
return '<div class="na-lrow"><div class="na-lmain"><span class="na-la">' + tt + '</span></div>' +
'<div class="na-lmeta">' + chips + '</div></div>';
}).join('') + '</div>';
};
agent.setView = function (v) {
agent.state.view = (v === 'list') ? 'list' : 'grid'; agent.save();
if (agent.state.view === 'list') { ensureListEl(); target.style.display = 'none'; agent._listEl.style.display = ''; agent.renderList(); }
else { if (agent._listEl) agent._listEl.style.display = 'none'; target.style.display = ''; }
};
// "2 into 1": if the page already has a house control panel, fold into it
var house = opt.merge === false ? null : findHousePanel(target);
// (re)build the controls — called again by the observer when fields change
function makePanel() {
if (house) { agent._merge = buildMergeSection(agent, house, opt); return; }
var wasOpen = agent._panel && agent._panel.classList.contains('open');
if (agent._panel) agent._panel.remove();
agent._panel = buildPanel(agent, opt);
if (wasOpen) agent._panel.classList.add('open');
}
agent.onFields = makePanel;
agent.merged = !!house;
makePanel();
chrome(agent, opt);
agent.applyAll();
// restore a persisted List-view choice (default is Grid — nothing changes)
if (agent.state.view === 'list') agent.setView('list');
// standalone launcher only when NOT merged into a house panel
if (!house && !document.querySelector('.na-launch')) {
var b = el('button', 'na-launch', '⚙'); b.title = 'View controls';
b.onclick = function () {
var anyOpen = document.querySelector('.na-panel.open');
[].slice.call(document.querySelectorAll('.na-panel')).forEach(function (p) { p.classList.toggle('open', !anyOpen); });
};
document.body.appendChild(b);
}
API.instances.push(agent);
return agent;
} catch (e) { if (window.console) console.warn('[nav-agent] mount skipped:', e); return null; }
}
};
window.NavAgent = API;
/* -- host left-sidebar collapse (standard feature, v1.3, 2026-08-20) ----
* The Nav Agent collapses the host page's primary LEFT sidebar on load and
* adds a ☰ toggle to reveal/hide it. ALWAYS collapsed on load — the reveal is
* an in-session choice (deliberately NOT persisted), so every page load starts
* clean and collapsed. Runs even on pages with no data grid.
* Opt out: <body data-nav-sidebar="off">
* Force: <body data-nav-sidebar="#mySelector"> or <aside data-nav-sidebar>
* Content: the shifted main column auto-detects; force with [data-nav-main]. */
function naIsSidebar(e) {
if (!e || e === document.body) return false;
if (e.classList && (e.classList.contains('na-panel') || e.classList.contains('na-list') ||
e.classList.contains('na-launch') || e.classList.contains('na-side-toggle'))) return false;
var cs; try { cs = getComputedStyle(e); } catch (x) { return false; }
if (['fixed', 'sticky', 'absolute'].indexOf(cs.position) < 0) return false;
var r = e.getBoundingClientRect();
var atLeft = r.left <= 6;
var tall = r.height >= Math.min(window.innerHeight * 0.55, 380);
var narrow = r.width > 20 && r.width <= 360;
var hasNav = e.querySelectorAll('a,button,nav,.nav').length >= 1;
return atLeft && tall && narrow && hasNav;
}
function naFindSidebar() {
var body = document.body, a = body.getAttribute('data-nav-sidebar');
if (a === 'off') return null;
if (a && a !== 'on' && a !== '') { var s = document.querySelector(a); if (s) return s; }
var marked = document.querySelector('[data-nav-sidebar]');
if (marked && marked !== body) return marked;
var sel = ['#side', '#sidebar', '.sidebar', '#side-nav', '.side-nav', '#leftnav', '.leftnav', 'aside'];
for (var i = 0; i < sel.length; i++) { var e = document.querySelector(sel[i]); if (naIsSidebar(e)) return e; }
var kids = [].slice.call(body.children);
for (var j = 0; j < kids.length; j++) { if (naIsSidebar(kids[j])) return kids[j]; }
return null;
}
function naFindMain(side) {
var m = document.querySelector('[data-nav-main]'); if (m) return m;
var w = side.getBoundingClientRect().width;
var pool = [].slice.call(document.body.children).filter(function (c) {
return c.nodeType === 1 && c !== side &&
!(c.classList && (c.classList.contains('na-panel') || c.classList.contains('na-launch') ||
c.classList.contains('na-side-toggle') || c.classList.contains('na-list')));
});
for (var i = 0; i < pool.length; i++) {
var ml = parseFloat(getComputedStyle(pool[i]).marginLeft) || 0;
if (ml > 40 && Math.abs(ml - w) <= 28) return pool[i];
}
return side.nextElementSibling || null;
}
function naMountSidebar() {
try {
if (document.body.getAttribute('data-nav-agent') === 'off') return;
if (document.querySelector('.na-side-toggle')) return; // once per page
var side = naFindSidebar(); if (!side) return;
side.classList.add('na-side');
var main = naFindMain(side); if (main) main.classList.add('na-side-main');
var open = false; // ALWAYS collapsed on load
var tog = el('button', 'na-side-toggle', '☰'); tog.type = 'button';
function apply() {
side.classList.toggle('na-side-collapsed', !open);
if (main) main.classList.toggle('na-side-shift', !open);
tog.classList.toggle('on', open);
tog.title = open ? 'Collapse sidebar' : 'Expand sidebar';
tog.setAttribute('aria-expanded', open ? 'true' : 'false');
}
tog.onclick = function () { open = !open; apply(); };
document.body.appendChild(tog);
apply();
} catch (e) { if (window.console) console.warn('[nav-agent] sidebar collapse skipped:', e); }
}
API.collapseSidebar = naMountSidebar;
function boot() {
try {
var body = document.body;
if (!body || body.getAttribute('data-nav-agent') === 'off') return;
naMountSidebar(); // collapse the host left sidebar on load (grid-independent)
// wait a tick for API-driven grids to render their first batch
var tries = 0;
(function attempt() {
naMountSidebar(); // idempotent — catches a late-rendered sidebar too
var t = findTarget();
var populated = false;
if (t) {
if (t.tagName === 'TABLE') populated = !!t.querySelector('tbody tr');
else {
var kids = [].slice.call(t.children).filter(function (c) { return c.nodeType === 1; });
// ignore an empty-state placeholder (a lone div, often "No … match")
populated = !!t.querySelector('.card') || kids.length >= 2;
}
}
if (populated || tries++ > 32) {
var _agent = API.mount(); // mount anyway after ~8s; observer fills fields when data arrives
// diagnosability (DTD C, 2026-08-13): a null mount is otherwise SILENT — md5/marker/200
// all pass while no panel/launcher appears. Emit ONE passive console.info (never warn/error,
// never throw, never alter flow) so a future silent-null-mount is greppable, not invisible.
// Only nudge when there is GENUINELY no target. mount() also returns null when it
// THREW mid-mount on a real grid (its own console.warn already fired) — re-check
// findTarget() so we never emit a false "no grid" on a page that actually has one.
if (!_agent) { try { if (findTarget() === null && window.console && console.info) console.info('[nav-agent] no grid target found on this marker-bearing page — add data-nav-grid to the real grid container, or data-nav-agent="off" to opt out (see _shared/nav-agent/README.md).'); } catch (e) {} }
return;
}
setTimeout(attempt, 250);
})();
} catch (e) {}
}
if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', boot);
else boot();
})();