mtg_python_deckbuilder/code/web/static/app.js

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/* Core app enhancements: tokens, toasts, shortcuts, state, skeletons */
(function(){
// Design tokens fallback (in case CSS variables missing in older browsers)
// No-op here since styles.css defines variables; kept for future JS reads.
// State persistence helpers (localStorage + URL hash)
var state = {
get: function(key, def){
try { var v = localStorage.getItem('mtg:'+key); return v !== null ? JSON.parse(v) : def; } catch(e){ return def; }
},
set: function(key, val){
try { localStorage.setItem('mtg:'+key, JSON.stringify(val)); } catch(e){}
},
inHash: function(obj){
// Merge obj into location.hash as query-like params
try {
var params = new URLSearchParams((location.hash||'').replace(/^#/, ''));
Object.keys(obj||{}).forEach(function(k){ params.set(k, obj[k]); });
location.hash = params.toString();
} catch(e){}
},
readHash: function(){
try { return new URLSearchParams((location.hash||'').replace(/^#/, '')); } catch(e){ return new URLSearchParams(); }
}
};
window.__mtgState = state;
// Toast system
var toastHost;
function ensureToastHost(){
if (!toastHost){
toastHost = document.createElement('div');
toastHost.className = 'toast-host';
document.body.appendChild(toastHost);
}
return toastHost;
}
function toast(msg, type, opts){
ensureToastHost();
var t = document.createElement('div');
t.className = 'toast' + (type ? ' '+type : '');
t.setAttribute('role','status');
t.setAttribute('aria-live','polite');
t.textContent = msg;
toastHost.appendChild(t);
var delay = (opts && opts.duration) || 2600;
setTimeout(function(){ t.classList.add('hide'); setTimeout(function(){ t.remove(); }, 300); }, delay);
return t;
}
window.toast = toast;
// Global HTMX error handling => toast
document.addEventListener('htmx:responseError', function(e){
var detail = e.detail || {}; var xhr = detail.xhr || {};
var msg = 'Action failed';
try { if (xhr.responseText) msg += ': ' + xhr.responseText.slice(0,140); } catch(_){}
toast(msg, 'error', { duration: 5000 });
});
document.addEventListener('htmx:sendError', function(){ toast('Network error', 'error', { duration: 4000 }); });
// Keyboard shortcuts
var keymap = {
' ': function(){ var el = document.querySelector('[data-action="continue"], .btn-continue'); if (el) el.click(); },
'r': function(){ var el = document.querySelector('[data-action="rerun"], .btn-rerun'); if (el) el.click(); },
'b': function(){ var el = document.querySelector('[data-action="back"], .btn-back'); if (el) el.click(); },
'l': function(){ var el = document.querySelector('[data-action="toggle-logs"], .btn-logs'); if (el) el.click(); },
};
document.addEventListener('keydown', function(e){
if (e.target && (/input|textarea|select/i).test(e.target.tagName)) return; // don't hijack inputs
var k = e.key.toLowerCase();
if (keymap[k]){ e.preventDefault(); keymap[k](); }
});
// Focus ring visibility for keyboard nav
function addFocusVisible(){
var hadKeyboardEvent = false;
function onKeyDown(){ hadKeyboardEvent = true; }
function onPointer(){ hadKeyboardEvent = false; }
function onFocus(e){ if (hadKeyboardEvent) e.target.classList.add('focus-visible'); }
function onBlur(e){ e.target.classList.remove('focus-visible'); }
window.addEventListener('keydown', onKeyDown, true);
window.addEventListener('mousedown', onPointer, true);
window.addEventListener('pointerdown', onPointer, true);
window.addEventListener('touchstart', onPointer, true);
document.addEventListener('focusin', onFocus);
document.addEventListener('focusout', onBlur);
}
addFocusVisible();
// Skeleton utility: swap placeholders before HTMX swaps or on explicit triggers
function showSkeletons(container){
(container || document).querySelectorAll('[data-skeleton]')
.forEach(function(el){ el.classList.add('is-loading'); });
}
function hideSkeletons(container){
(container || document).querySelectorAll('[data-skeleton]')
.forEach(function(el){ el.classList.remove('is-loading'); });
}
window.skeletons = { show: showSkeletons, hide: hideSkeletons };
document.addEventListener('htmx:beforeRequest', function(e){ showSkeletons(e.target); });
document.addEventListener('htmx:afterSwap', function(e){ hideSkeletons(e.target); });
// Example: persist "show skipped" toggle if present
document.addEventListener('change', function(e){
var el = e.target;
if (el && el.matches('[data-pref]')){
var key = el.getAttribute('data-pref');
var val = (el.type === 'checkbox') ? !!el.checked : el.value;
state.set(key, val);
state.inHash((function(o){ o[key] = val; return o; })({}));
}
});
// On load, initialize any data-pref elements
document.addEventListener('DOMContentLoaded', function(){
document.querySelectorAll('[data-pref]').forEach(function(el){
var key = el.getAttribute('data-pref');
var saved = state.get(key, undefined);
if (typeof saved !== 'undefined'){
if (el.type === 'checkbox') el.checked = !!saved; else el.value = saved;
}
});
hydrateProgress(document);
syncShowSkipped(document);
initCardFilters(document);
});
// Hydrate progress bars with width based on data-pct
function hydrateProgress(root){
(root || document).querySelectorAll('.progress[data-pct]')
.forEach(function(p){
var pct = parseInt(p.getAttribute('data-pct') || '0', 10);
if (isNaN(pct) || pct < 0) pct = 0; if (pct > 100) pct = 100;
var bar = p.querySelector('.bar'); if (!bar) return;
// Animate width for a bit of delight
requestAnimationFrame(function(){ bar.style.width = pct + '%'; });
});
}
// Keep hidden inputs for show_skipped in sync with the sticky checkbox
function syncShowSkipped(root){
var cb = (root || document).querySelector('input[name="__toggle_show_skipped"][data-pref]');
if (!cb) return;
var val = cb.checked ? '1' : '0';
(root || document).querySelectorAll('section form').forEach(function(f){
var h = f.querySelector('input[name="show_skipped"]');
if (h) h.value = val;
});
}
document.addEventListener('htmx:afterSwap', function(e){
hydrateProgress(e.target);
syncShowSkipped(e.target);
initCardFilters(e.target);
});
// --- Card grid filters, reasons, and collapsible groups ---
function initCardFilters(root){
var section = (root || document).querySelector('section');
if (!section) return;
var toolbar = section.querySelector('.cards-toolbar');
if (!toolbar) return; // nothing to do
var q = toolbar.querySelector('input[name="filter_query"]');
var ownedSel = toolbar.querySelector('select[name="filter_owned"]');
var showReasons = toolbar.querySelector('input[name="show_reasons"]');
var collapseGroups = toolbar.querySelector('input[name="collapse_groups"]');
var resultsEl = toolbar.querySelector('[data-results]');
var emptyEl = section.querySelector('[data-empty]');
var sortSel = toolbar.querySelector('select[name="filter_sort"]');
var chipOwned = toolbar.querySelector('[data-chip-owned="owned"]');
var chipNot = toolbar.querySelector('[data-chip-owned="not"]');
var chipAll = toolbar.querySelector('[data-chip-owned="all"]');
var chipClear = toolbar.querySelector('[data-chip-clear]');
function getVal(el){ return el ? (el.type === 'checkbox' ? !!el.checked : (el.value||'')) : ''; }
// Read URL hash on first init to hydrate controls
try {
var params = window.__mtgState.readHash();
if (params){
var hv = params.get('q'); if (q && hv !== null) q.value = hv;
hv = params.get('owned'); if (ownedSel && hv) ownedSel.value = hv;
hv = params.get('showreasons'); if (showReasons && hv !== null) showReasons.checked = (hv === '1');
hv = params.get('collapse'); if (collapseGroups && hv !== null) collapseGroups.checked = (hv === '1');
hv = params.get('sort'); if (sortSel && hv) sortSel.value = hv;
}
} catch(_){}
function apply(){
var query = (getVal(q)+ '').toLowerCase().trim();
var ownedMode = (getVal(ownedSel) || 'all');
var showR = !!getVal(showReasons);
var collapse = !!getVal(collapseGroups);
var sortMode = (getVal(sortSel) || 'az');
// Toggle reasons visibility via section class
section.classList.toggle('hide-reasons', !showR);
// Collapse or expand all groups if toggle exists; when not collapsed, restore per-group stored state
section.querySelectorAll('.group').forEach(function(wrapper){
var grid = wrapper.querySelector('.group-grid'); if (!grid) return;
var key = wrapper.getAttribute('data-group-key');
if (collapse){
grid.setAttribute('data-collapsed','1');
} else {
// restore stored
if (key){
var stored = state.get('cards:group:'+key, null);
if (stored === true){ grid.setAttribute('data-collapsed','1'); }
else { grid.removeAttribute('data-collapsed'); }
} else {
grid.removeAttribute('data-collapsed');
}
}
});
// Filter tiles
var tiles = section.querySelectorAll('.card-grid .card-tile');
var visible = 0;
tiles.forEach(function(tile){
var name = (tile.getAttribute('data-card-name')||'').toLowerCase();
var role = (tile.getAttribute('data-role')||'').toLowerCase();
var tags = (tile.getAttribute('data-tags')||'').toLowerCase();
var owned = tile.getAttribute('data-owned') === '1';
var text = name + ' ' + role + ' ' + tags;
var qOk = !query || text.indexOf(query) !== -1;
var oOk = (ownedMode === 'all') || (ownedMode === 'owned' && owned) || (ownedMode === 'not' && !owned);
var show = qOk && oOk;
tile.style.display = show ? '' : 'none';
if (show) visible++;
});
// Sort within each grid
function keyFor(tile){
var name = (tile.getAttribute('data-card-name')||'');
var owned = tile.getAttribute('data-owned') === '1' ? 1 : 0;
var gc = tile.classList.contains('game-changer') ? 1 : 0;
return { name: name.toLowerCase(), owned: owned, gc: gc };
}
section.querySelectorAll('.card-grid').forEach(function(grid){
var arr = Array.prototype.slice.call(grid.querySelectorAll('.card-tile'));
arr.sort(function(a,b){
var ka = keyFor(a), kb = keyFor(b);
if (sortMode === 'owned'){
if (kb.owned !== ka.owned) return kb.owned - ka.owned;
if (kb.gc !== ka.gc) return kb.gc - ka.gc; // gc next
return ka.name.localeCompare(kb.name);
} else if (sortMode === 'gc'){
if (kb.gc !== ka.gc) return kb.gc - ka.gc;
if (kb.owned !== ka.owned) return kb.owned - ka.owned;
return ka.name.localeCompare(kb.name);
}
// default AZ
return ka.name.localeCompare(kb.name);
});
arr.forEach(function(el){ grid.appendChild(el); });
});
// Update group counts based on visible tiles within each group
section.querySelectorAll('.group').forEach(function(wrapper){
var grid = wrapper.querySelector('.group-grid');
var count = 0;
if (grid){
grid.querySelectorAll('.card-tile').forEach(function(t){ if (t.style.display !== 'none') count++; });
}
var cEl = wrapper.querySelector('[data-count]');
if (cEl) cEl.textContent = count;
});
if (resultsEl) resultsEl.textContent = String(visible);
if (emptyEl) emptyEl.hidden = (visible !== 0);
// Persist prefs
if (q && q.hasAttribute('data-pref')) state.set(q.getAttribute('data-pref'), q.value);
if (ownedSel && ownedSel.hasAttribute('data-pref')) state.set(ownedSel.getAttribute('data-pref'), ownedSel.value);
if (showReasons && showReasons.hasAttribute('data-pref')) state.set(showReasons.getAttribute('data-pref'), !!showReasons.checked);
if (collapseGroups && collapseGroups.hasAttribute('data-pref')) state.set(collapseGroups.getAttribute('data-pref'), !!collapseGroups.checked);
if (sortSel && sortSel.hasAttribute('data-pref')) state.set(sortSel.getAttribute('data-pref'), sortSel.value);
// Update URL hash for shareability
try { window.__mtgState.inHash({ q: query, owned: ownedMode, showreasons: showR ? 1 : 0, collapse: collapse ? 1 : 0, sort: sortMode }); } catch(_){ }
}
// Wire events
if (q) q.addEventListener('input', apply);
if (ownedSel) ownedSel.addEventListener('change', apply);
if (showReasons) showReasons.addEventListener('change', apply);
if (collapseGroups) collapseGroups.addEventListener('change', apply);
if (chipOwned) chipOwned.addEventListener('click', function(){ if (ownedSel){ ownedSel.value = 'owned'; } apply(); });
if (chipNot) chipNot.addEventListener('click', function(){ if (ownedSel){ ownedSel.value = 'not'; } apply(); });
if (chipAll) chipAll.addEventListener('click', function(){ if (ownedSel){ ownedSel.value = 'all'; } apply(); });
if (chipClear) chipClear.addEventListener('click', function(){ if (q) q.value=''; if (ownedSel) ownedSel.value='all'; apply(); });
// Individual group toggles
section.querySelectorAll('.group-header .toggle').forEach(function(btn){
btn.addEventListener('click', function(){
var wrapper = btn.closest('.group');
var grid = wrapper && wrapper.querySelector('.group-grid');
if (!grid) return;
var key = wrapper.getAttribute('data-group-key');
var willCollapse = !grid.getAttribute('data-collapsed');
if (willCollapse) grid.setAttribute('data-collapsed','1'); else grid.removeAttribute('data-collapsed');
if (key){ state.set('cards:group:'+key, !!willCollapse); }
// ARIA
btn.setAttribute('aria-expanded', willCollapse ? 'false' : 'true');
});
});
// Per-card reason toggle: delegate clicks on .btn-why
section.addEventListener('click', function(e){
var t = e.target;
if (!t || !t.classList || !t.classList.contains('btn-why')) return;
e.preventDefault();
var tile = t.closest('.card-tile');
if (!tile) return;
var globalHidden = section.classList.contains('hide-reasons');
if (globalHidden){
// Force-show overrides global hidden
var on = tile.classList.toggle('force-show');
if (on) tile.classList.remove('force-hide');
t.textContent = on ? 'Hide why' : 'Why?';
} else {
// Hide this tile only
var off = tile.classList.toggle('force-hide');
if (off) tile.classList.remove('force-show');
t.textContent = off ? 'Show why' : 'Hide why';
}
});
// Initial apply on hydrate
apply();
// Keyboard helpers: '/' focuses query, Esc clears
function onKey(e){
// avoid when typing in inputs
if (e.target && (/input|textarea|select/i).test(e.target.tagName)) return;
if (e.key === '/'){
if (q){ e.preventDefault(); q.focus(); q.select && q.select(); }
} else if (e.key === 'Escape'){
if (q && q.value){ q.value=''; apply(); }
}
}
document.addEventListener('keydown', onKey);
}
})();