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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>KCAC Annotation Editor — Cloud (Drive) Edition</title>
<style>
:root {
--bg: #0e1116; --panel: #161b22; --panel-2: #1c2128; --border: #30363d;
--text: #e6edf3; --muted: #7d8590; --accent: #2f81f7; --accent-2: #1f6feb;
--danger: #f85149; --success: #3fb950; --warning: #d29922;
--line-color: #3fb950; --layout-color: #f78166; --selected: #ffd60a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
body { display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border); flex-shrink: 0; }
.topbar h1 { font-size: 13px; font-weight: 600; letter-spacing: 0.5px; color: var(--accent); white-space: nowrap; }
.topbar .sep { width: 1px; height: 24px; background: var(--border); }
.btn { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); padding: 6px 12px; font-size: 12px; border-radius: 6px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; font-family: inherit; transition: all 0.15s; white-space: nowrap; }
.btn:hover { background: #2d333b; border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--accent-2); border-color: var(--accent-2); }
.btn.primary:hover { background: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: rgba(248,81,73,0.1); border-color: var(--danger); }
.btn.success { color: var(--success); }
.btn.success:hover { background: rgba(63,185,80,0.1); border-color: var(--success); }
input[type="file"] { display: none; }
label.btn { cursor: pointer; }
.main { display: flex; flex: 1; overflow: hidden; }
.file-panel { width: 240px; background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; }
.file-panel-header { padding: 10px 12px; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px; }
.file-panel-header .row { display: flex; gap: 6px; }
.file-panel-header .row .btn { flex: 1; padding: 5px 8px; font-size: 11px; justify-content: center; }
.folder-status { font-size: 10px; color: var(--muted); font-family: 'SF Mono', Consolas, monospace; word-break: break-all; }
.folder-status.ok { color: var(--success); }
.file-search { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.file-search input { width: 100%; }
.file-list { flex: 1; overflow-y: auto; }
.file-item { padding: 8px 12px; font-size: 11px; cursor: pointer; display: flex; align-items: center; gap: 6px; border-bottom: 1px solid rgba(48,54,61,0.4); font-family: 'SF Mono', Consolas, monospace; transition: background 0.1s; }
.file-item:hover { background: var(--panel-2); }
.file-item.active { background: rgba(47,129,247,0.18); border-left: 3px solid var(--accent); padding-left: 9px; }
.file-item .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .badge { font-size: 9px; padding: 1px 5px; border-radius: 3px; flex-shrink: 0; }
.file-item .badge.ok { background: rgba(63,185,80,0.2); color: var(--success); }
.file-item .badge.miss { background: rgba(248,81,73,0.2); color: var(--danger); }
.file-item .badge.dirty { background: rgba(210,153,34,0.25); color: var(--warning); }
.file-item .badge.saved { background: rgba(63,185,80,0.15); color: var(--success); }
.nav-bar { padding: 8px 10px; border-top: 1px solid var(--border); display: flex; gap: 6px; background: var(--panel-2); }
.nav-bar .btn { flex: 1; justify-content: center; }
.nav-info { font-size: 10px; color: var(--muted); text-align: center; padding: 4px; font-family: 'SF Mono', Consolas, monospace; }
.canvas-area { flex: 1; background: #0a0d12; position: relative; overflow: hidden;
background-image: linear-gradient(45deg, #14181f 25%, transparent 25%), linear-gradient(-45deg, #14181f 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #14181f 75%), linear-gradient(-45deg, transparent 75%, #14181f 75%);
background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0px; }
#canvas { position: absolute; top: 0; left: 0; cursor: crosshair; }
.sidebar { width: 380px; background: var(--panel); border-left: 1px solid var(--border); overflow-y: auto; flex-shrink: 0; }
.section { border-bottom: 1px solid var(--border); padding: 12px 14px; }
.section h3 { font-size: 11px; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; letter-spacing: 0.8px; }
details.section { padding: 0; }
details.section summary { list-style: none; cursor: pointer; padding: 12px 14px; border-bottom: 1px solid rgba(48,54,61,0.5); }
details.section summary::-webkit-details-marker { display: none; }
details.section summary h3 { margin: 0; }
details.section[open] summary { border-bottom-color: transparent; }
.section-body { padding: 0 14px 12px; }
.dropzone { position: absolute; inset: 20px; border: 2px dashed var(--border); border-radius: 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; pointer-events: none; transition: all 0.2s; }
.dropzone.active { border-color: var(--accent); background: rgba(47,129,247,0.05); }
.dropzone.hidden { display: none; }
.dropzone .icon { font-size: 48px; opacity: 0.4; }
.dropzone p { color: var(--muted); font-size: 14px; max-width: 500px; text-align: center; line-height: 1.7; padding: 0 20px; }
.dropzone .hint { font-size: 12px; opacity: 0.7; }
.dropzone strong { color: var(--text); }
.dropzone code { background: var(--panel-2); padding: 2px 6px; border-radius: 3px; font-size: 11px; }
.statusbar { display: flex; gap: 12px; align-items: center; padding: 6px 16px; background: var(--panel); border-top: 1px solid var(--border); font-size: 11px; color: var(--muted); font-family: 'SF Mono', Consolas, monospace; flex-shrink: 0; }
.status-pill { padding: 2px 8px; border-radius: 4px; background: var(--panel-2); border: 1px solid var(--border); }
.status-pill.warn { color: var(--warning); border-color: var(--warning); }
.status-pill.success { color: var(--success); border-color: var(--success); }
.tool-row { display: flex; gap: 6px; flex-wrap: wrap; }
.tool-btn { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); padding: 8px 10px; border-radius: 6px; cursor: pointer; font-size: 11px; flex: 1; min-width: 60px; font-family: inherit; transition: all 0.15s; }
.tool-btn:hover { background: #2d333b; }
.tool-btn.active { background: var(--accent-2); border-color: var(--accent-2); color: white; }
.filter-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.filter-row label { font-size: 12px; flex: 1; }
input[type="range"] { flex: 1; }
input[type="number"], input[type="text"], select, textarea { background: var(--bg); color: var(--text); border: 1px solid var(--border); padding: 5px 8px; border-radius: 4px; font-size: 12px; font-family: inherit; width: 100%; }
textarea { min-height: 58px; resize: vertical; line-height: 1.45; }
input:focus, select:focus { outline: none; border-color: var(--accent); }
textarea:focus { outline: none; border-color: var(--accent); }
.toolbar-select { width: auto; min-width: 142px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.field-grid.one { grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label, label.field { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.field input, .field select { min-width: 0; }
.flag-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; margin-top: 8px; }
.flag-grid label { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text); text-transform: none; letter-spacing: 0; }
.id-preview { margin-top: 8px; padding: 7px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel-2); color: var(--muted); font-size: 11px; font-family: 'SF Mono', Consolas, monospace; word-break: break-all; }
.issue-list { display: flex; flex-direction: column; gap: 6px; max-height: 150px; overflow-y: auto; }
.issue { border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; font-size: 11px; line-height: 1.35; }
.issue.ok { color: var(--success); border-color: rgba(63,185,80,0.45); }
.issue.warn { color: var(--warning); border-color: rgba(210,153,34,0.45); }
.issue.error { color: var(--danger); border-color: rgba(248,81,73,0.45); }
.ann-list { max-height: 220px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; }
.ann-item { padding: 6px 10px; border-bottom: 1px solid var(--border); font-size: 11px; display: flex; align-items: center; gap: 6px; cursor: pointer; font-family: 'SF Mono', Consolas, monospace; }
.ann-item:last-child { border-bottom: none; }
.ann-item:hover { background: var(--panel-2); }
.ann-item.selected { background: rgba(255,214,10,0.15); border-left: 3px solid var(--selected); padding-left: 7px; }
.ann-item .swatch { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ann-item .label { flex: 1; }
.ann-item .conf { color: var(--muted); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.stat { background: var(--panel-2); padding: 8px 10px; border-radius: 6px; border: 1px solid var(--border); }
.stat .label { font-size: 10px; color: var(--muted); text-transform: uppercase; }
.stat .value { font-size: 16px; font-weight: 600; margin-top: 2px; }
.class-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.class-btn { padding: 6px; font-size: 11px; border-radius: 4px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); cursor: pointer; font-family: inherit; }
.class-btn:hover { background: #2d333b; }
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); background: var(--panel-2); border: 1px solid var(--border); padding: 10px 18px; border-radius: 8px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,0.5); z-index: 1000; opacity: 0; transition: opacity 0.2s; pointer-events: none; }
.toast.show { opacity: 1; }
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.warn { border-color: var(--warning); color: var(--warning); }
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center; z-index: 999; }
.modal-overlay.show { display: flex; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 24px; max-width: 540px; width: 90%; max-height: 85vh; overflow-y: auto; }
.modal h2 { font-size: 16px; margin-bottom: 16px; }
.modal h3 { font-size: 12px; color: var(--muted); margin: 16px 0 8px; text-transform: uppercase; }
.shortcut-list { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 12px; }
.shortcut-list kbd { background: var(--bg); border: 1px solid var(--border); padding: 2px 7px; border-radius: 4px; font-family: 'SF Mono', Consolas, monospace; font-size: 11px; }
.modal .close-btn { margin-top: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.smart-help { position: fixed; z-index: 1200; width: min(320px, calc(100vw - 24px)); background: #10151d; color: var(--text); border: 1px solid var(--accent); border-radius: 8px; padding: 10px 12px; font-size: 12px; line-height: 1.45; box-shadow: 0 10px 28px rgba(0,0,0,0.55); display: none; }
.smart-help.show { display: block; }
.smart-help .more { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }
.smart-help button { font-size: 11px; padding: 4px 8px; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }
.autosave-toggle { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
.autosave-toggle input { margin: 0; }
</style>
<script src="https://apis.google.com/js/api.js" defer></script>
<script src="https://accounts.google.com/gsi/client" defer></script>
</head>
<body>
<div class="topbar">
<h1>KCAC WORKBENCH</h1>
<div class="sep"></div>
<button class="btn primary" id="openImageFolderBtn" title="Open folder of images">📁 Image Folder</button>
<button class="btn primary" id="openJsonFolderBtn" title="Open folder of JSON files (writable)">📁 JSON Folder</button>
<div class="sep"></div>
<button class="btn primary" id="driveBtn" title="Connect to Google Drive and load a folder of pages/JSONs"><span id="driveBtnIcon">☁️</span> <span id="driveBtnLabel">Google Drive</span></button>
<span id="driveStatusPill" class="status-pill" style="display:none">Drive: —</span>
<div class="sep"></div>
<label class="btn" for="loadImage">Single Image</label>
<input type="file" id="loadImage" accept="image/*">
<label class="btn" for="loadJson">Single JSON</label>
<input type="file" id="loadJson" accept=".json">
<div class="sep"></div>
<button class="btn success" id="saveJsonBtn" title="Save KCAC JSON (Ctrl+S)">💾 Save</button>
<select id="exportFormat" class="toolbar-select" title="Standards export format">
<option value="bundle">Standards bundle</option>
<option value="page">PAGE XML</option>
<option value="alto">ALTO XML</option>
<option value="tei">TEI P5</option>
<option value="hf">HF JSONL</option>
<option value="mets">METS/MODS</option>
<option value="iiif">IIIF 3.0</option>
<option value="dataset-card">Dataset Card</option>
<option value="datasheet">Datasheet</option>
</select>
<button class="btn" id="exportStdBtn">Export</button>
<button class="btn" id="exportYoloBtn">📦 YOLO</button>
<div class="sep"></div>
<button class="btn" id="undoBtn" title="Undo (Ctrl+Z)">↶</button>
<button class="btn" id="redoBtn" title="Redo (Ctrl+Y)">↷</button>
<div style="flex:1"></div>
<label class="autosave-toggle"><input type="checkbox" id="autosaveChk" checked> Auto-save on switch</label>
<button class="btn" id="helpBtn">? Help</button>
</div>
<div class="main">
<div class="file-panel">
<div class="file-panel-header">
<div class="row">
<button class="btn" id="openImageFolderBtn2">📁 Images</button>
<button class="btn" id="openJsonFolderBtn2">📁 JSONs</button>
</div>
<div class="folder-status" id="imgFolderStatus">No image folder</div>
<div class="folder-status" id="jsonFolderStatus">No JSON folder</div>
</div>
<div class="file-search">
<input type="text" id="fileSearch" placeholder="Filter files...">
</div>
<div class="file-list" id="fileList">
<div style="padding:20px; text-align:center; color:var(--muted); font-size:11px;">
No files loaded.<br>Click <strong>Image Folder</strong> above.
</div>
</div>
<div class="nav-info" id="navInfo">— / —</div>
<div class="nav-bar">
<button class="btn" id="prevBtn" title="Previous (PageUp)">◀ Prev</button>
<button class="btn" id="nextBtn" title="Next (PageDown)">Next ▶</button>
</div>
</div>
<div class="canvas-area" id="canvasArea">
<canvas id="canvas"></canvas>
<div class="dropzone" id="dropzone">
<div class="icon">📁</div>
<p><strong>Open an image folder + JSON folder to start.</strong><br>
<span class="hint">Filenames are auto-paired: <code>page_009.jpg</code> ↔ <code>page_009.json</code>.<br>KCAC IDs, PAGE XML, ALTO, TEI, IIIF, METS, and HF JSONL export from the same corrected page.</span></p>
<p class="hint" id="apiSupportHint" style="font-size:11px"></p>
</div>
</div>
<div class="sidebar">
<div class="section">
<h3>Tools</h3>
<div class="tool-row">
<button class="tool-btn active" data-tool="select">▭ Select</button>
<button class="tool-btn" data-tool="draw-line">＋ Line</button>
<button class="tool-btn" data-tool="draw-layout">＋ Layout</button>
</div>
</div>
<div class="section">
<h3>Visibility</h3>
<div class="filter-row">
<input type="checkbox" id="showLines" checked>
<label for="showLines"><span style="color:var(--line-color)">●</span> Text Lines</label>
<span id="lineCount" class="status-pill">0</span>
</div>
<div class="filter-row">
<input type="checkbox" id="showLayout" checked>
<label for="showLayout"><span style="color:var(--layout-color)">●</span> Layout</label>
<span id="layoutCount" class="status-pill">0</span>
</div>
<div class="filter-row">
<input type="checkbox" id="showLabels" checked>
<label for="showLabels">Show labels</label>
</div>
<div class="filter-row" style="margin-top:8px">
<label>Min conf:</label>
<input type="range" id="confThreshold" min="0" max="1" step="0.01" value="0">
<span id="confValue" style="font-size:11px; min-width:30px; text-align:right">0.00</span>
</div>
</div>
<details class="section" open>
<summary><h3>KCAC Page</h3></summary>
<div class="section-body">
<div class="field-grid">
<label class="field">Book ID<input type="text" id="bookIdInput" data-meta="page" data-key="book_id" placeholder="kcac_000152"></label>
<label class="field">Page seq<input type="number" id="pageSeqInput" data-meta="page" data-key="page_number_sequence" min="1" step="1"></label>
<label class="field">Printed page<input type="text" id="pagePrintedInput" data-meta="page" data-key="page_number_printed"></label>
<label class="field">Split<select id="splitInput" data-meta="page" data-key="split">
<option value="train">train</option>
<option value="val">val</option>
<option value="test_general">test_general</option>
<option value="test_historical_hard">test_historical_hard</option>
<option value="test_low_quality_scans">test_low_quality_scans</option>
<option value="test_poetry_layout">test_poetry_layout</option>
<option value="test_multi_column">test_multi_column</option>
<option value="test_mixed_language">test_mixed_language</option>
<option value="test_long_tail_glyphs">test_long_tail_glyphs</option>
</select></label>
<label class="field">Page type<select id="pageTypeInput" data-meta="page" data-key="page_type">
<option value="cover">cover</option>
<option value="title">title</option>
<option value="toc">toc</option>
<option value="body">body</option>
<option value="plate">plate</option>
<option value="blank">blank</option>
<option value="advert">advert</option>
<option value="colophon">colophon</option>
<option value="index">index</option>
</select></label>
<label class="field">Layout<select id="layoutClassInput" data-meta="page" data-key="layout_class">
<option value="single-column">single-column</option>
<option value="two-column">two-column</option>
<option value="three-column">three-column</option>
<option value="dictionary">dictionary</option>
<option value="poetry-centred">poetry-centred</option>
</select></label>
<label class="field">Language<select id="languageInput" data-meta="page" data-key="language">
<option value="ckb-Arab">ckb-Arab (Sorani Kurdish)</option>
<option value="kmr-Latn">kmr-Latn (Kurmanji Kurdish)</option>
<option value="hac-Arab">hac-Arab (Hawrami Kurdish)</option>
<option value="ar-Arab">ar-Arab (Arabic)</option>
<option value="en-Latn">en-Latn (English)</option>
<option value="mixed">mixed</option>
</select></label>
<label class="field">Direction<select id="readingDirectionInput" data-meta="page" data-key="reading_direction">
<option value="rtl">rtl</option>
<option value="ltr">ltr</option>
</select></label>
<label class="field">Script<select id="scriptInput" data-meta="page" data-key="script">
<option value="sorani-arabic">sorani-arabic</option>
<option value="kurmanji-latin">kurmanji-latin</option>
<option value="hawrami">hawrami</option>
<option value="arabic">arabic</option>
<option value="english-latin">english-latin</option>
<option value="mixed">mixed</option>
</select></label>
<label class="field">Typography<select id="typographyInput" data-meta="page" data-key="era_typography">
<option value="typewriter">typewriter</option>
<option value="letterpress">letterpress</option>
<option value="offset">offset</option>
<option value="digital">digital</option>
</select></label>
<label class="field">Scan quality<select id="scanQualityInput" data-meta="page" data-key="scan_quality">
<option value="pristine">pristine</option>
<option value="good">good</option>
<option value="fair">fair</option>
<option value="poor">poor</option>
</select></label>
<label class="field">DPI<input type="number" id="dpiInput" data-meta="page" data-key="scan_resolution_dpi" min="0" step="1"></label>
<label class="field">Colour<select id="colourModeInput" data-meta="page" data-key="colour_mode">
<option value="colour">colour</option>
<option value="greyscale">greyscale</option>
<option value="bitonal">bitonal</option>
</select></label>
<label class="field">Damage<input type="text" id="damageInput" data-meta="page" data-key="damage_present" placeholder="foxing, tearing"></label>
<label class="field">Verification<select id="verificationInput" data-meta="page" data-key="verification_status">
<option value="raw">raw</option>
<option value="ocr_generated">ocr_generated</option>
<option value="single_verified">single_verified</option>
<option value="double_verified">double_verified</option>
<option value="adjudicated">adjudicated</option>
<option value="gold">gold</option>
</select></label>
</div>
<div class="flag-grid">
<label><input type="checkbox" id="hasIllustrationsInput" data-meta="page" data-key="has_illustrations"> illustrations</label>
<label><input type="checkbox" id="hasTableInput" data-meta="page" data-key="has_table"> table</label>
<label><input type="checkbox" id="hasMarginaliaInput" data-meta="page" data-key="has_marginalia"> marginalia</label>
<label><input type="checkbox" id="hasFootnoteInput" data-meta="page" data-key="has_footnote"> footnote</label>
<label><input type="checkbox" id="hasPoetryInput" data-meta="page" data-key="has_poetry"> poetry</label>
</div>
<div class="id-preview" id="stableIdPreview">Page ID: -</div>
</div>
</details>
<details class="section">
<summary><h3>Catalog</h3></summary>
<div class="section-body">
<div class="field-grid one">
<label class="field">Title original<input type="text" id="titleOriginalInput" data-meta="book" data-key="title_original"></label>
<label class="field">Title normalised<input type="text" id="titleNormalisedInput" data-meta="book" data-key="title_normalised"></label>
<label class="field">Authors<input type="text" id="authorsInput" data-meta="book" data-key="authors"></label>
</div>
<div class="field-grid" style="margin-top:8px">
<label class="field">Publisher<input type="text" id="publisherInput" data-meta="book" data-key="publisher"></label>
<label class="field">Place<input type="text" id="placeInput" data-meta="book" data-key="place_of_publication"></label>
<label class="field">Year printed<input type="text" id="yearPrintedInput" data-meta="book" data-key="publication_year_printed"></label>
<label class="field">Year gregorian<input type="number" id="yearGregorianInput" data-meta="book" data-key="publication_year_gregorian" min="0" step="1"></label>
<label class="field">Genre<input type="text" id="genreInput" data-meta="book" data-key="genre"></label>
<label class="field">Rights<select id="rightsInput" data-meta="book" data-key="rights_status">
<option value="unknown">unknown</option>
<option value="public_domain">public_domain</option>
<option value="permission_granted">permission_granted</option>
<option value="copyrighted">copyrighted</option>
</select></label>
<label class="field">SPDX<select id="spdxInput" data-meta="book" data-key="spdx_license">
<option value="NOASSERTION">NOASSERTION</option>
<option value="CC-BY-4.0">CC-BY-4.0</option>
<option value="CC-BY-SA-4.0">CC-BY-SA-4.0</option>
<option value="CC0-1.0">CC0-1.0</option>
<option value="LicenseRef-KCAC-Permission">LicenseRef-KCAC-Permission</option>
</select></label>
<label class="field">Source<input type="text" id="sourceCollectionInput" data-meta="book" data-key="source_collection"></label>
<label class="field">Source URL<input type="text" id="sourceUrlInput" data-meta="book" data-key="source_url"></label>
</div>
<button class="btn" id="applyBookDefaultsBtn" style="width:100%; justify-content:center; margin-top:8px">Apply Catalog To Folder</button>
</div>
</details>
<div class="section">
<h3>Selection (<span id="selCount">0</span>)</h3>
<div class="tool-row" style="margin-bottom:8px">
<button class="btn danger" id="deleteBtn" style="flex:1">🗑 Del</button>
<button class="btn" id="selectAllBtn" style="flex:1">All</button>
<button class="btn" id="deselectBtn" style="flex:1">None</button>
</div>
<div id="selectionEditor" style="display:none">
<div id="singleSelectionFields" style="display:none">
<div class="field-grid">
<label class="field">KCAC ID<input type="text" id="selectedStableId" readonly></label>
<label class="field">Reading order<input type="number" id="readingOrderInput" min="1" step="1"></label>
<label class="field">Accuracy<input type="number" id="annConfidenceInput" min="0" max="1" step="0.0001"></label>
<label class="field">Rotation deg<input type="number" id="rotationInput" min="-180" max="180" step="0.1"></label>
<label class="field">Kind<input type="text" id="annKindInput" readonly></label>
<label class="field">Language<select id="annLanguageInput">
<option value="">— inherit page —</option>
<option value="ckb-Arab">ckb-Arab (Sorani Kurdish)</option>
<option value="kmr-Latn">kmr-Latn (Kurmanji Kurdish)</option>
<option value="hac-Arab">hac-Arab (Hawrami Kurdish)</option>
<option value="ar-Arab">ar-Arab (Arabic)</option>
<option value="en-Latn">en-Latn (English)</option>
<option value="mixed">mixed</option>
</select></label>
</div>
<div class="field-grid one" style="margin-top:8px">
<label class="field">Raw transcription<textarea id="rawTextInput" dir="auto"></textarea></label>
<label class="field">Normalised<textarea id="normTextInput" dir="auto"></textarea></label>
<label class="field">Diacritic stripped<textarea id="plainTextInput" dir="auto"></textarea></label>
</div>
</div>
<h3 style="margin-top:8px">Change Class →</h3>
<div class="class-grid">
<button class="class-btn" data-class="TextLine">→ TextLine</button>
<button class="class-btn" data-class="TextRegion">→ TextRegion</button>
<button class="class-btn" data-class="HeadingH1">→ Heading H1</button>
<button class="class-btn" data-class="HeadingH2">→ Heading H2</button>
<button class="class-btn" data-class="HeadingH3">→ Heading H3</button>
<button class="class-btn" data-class="Caption">→ Caption</button>
<button class="class-btn" data-class="Footnote">→ Footnote</button>
<button class="class-btn" data-class="PageNumber">→ PageNumber</button>
<button class="class-btn" data-class="Header">→ Header</button>
<button class="class-btn" data-class="Footer">→ Footer</button>
<button class="class-btn" data-class="Marginalia">→ Marginalia</button>
<button class="class-btn" data-class="Illustration">→ Illustration</button>
<button class="class-btn" data-class="Figure">→ Figure</button>
<button class="class-btn" data-class="Table">→ Table</button>
<button class="class-btn" data-class="DecorativeElement">→ Decorative</button>
<button class="class-btn" data-class="Advertisement">→ Advert</button>
<button class="class-btn" data-class="Signature">→ Signature</button>
<button class="class-btn" data-class="Stamp">→ Stamp</button>
<button class="class-btn" data-class="MathRegion">→ MathRegion</button>
</div>
</div>
</div>
<div class="section">
<h3>Bulk</h3>
<div class="tool-row">
<button class="btn" id="deleteLowConfBtn" style="flex:1">Del < threshold</button>
<button class="btn" id="invertBtn" style="flex:1">Invert</button>
</div>
</div>
<div class="section">
<h3>Validation</h3>
<div class="issue-list" id="qcList">
<div class="issue warn">Not checked</div>
</div>
<button class="btn" id="runQcBtn" style="width:100%; justify-content:center; margin-top:8px">Check Page</button>
</div>
<div class="section">
<h3>Stats</h3>
<div class="stat-grid">
<div class="stat"><div class="label">Image</div><div class="value" id="statImg" style="font-size:11px; word-break:break-all">—</div></div>
<div class="stat"><div class="label">Size</div><div class="value" id="statSize" style="font-size:11px">—</div></div>
<div class="stat"><div class="label">Lines</div><div class="value" id="statLines">0</div></div>
<div class="stat"><div class="label">Layout</div><div class="value" id="statLayout">0</div></div>
</div>
</div>
<div class="section">
<h3>Annotations</h3>
<div class="ann-list" id="annList"></div>
</div>
</div>
</div>
<div class="statusbar">
<span id="statusMode">Mode: Select</span>
<span class="status-pill" id="statusZoom">100%</span>
<span class="status-pill" id="statusCoords">— , —</span>
<span class="status-pill" id="statusDirty"></span>
<div style="flex:1"></div>
<span id="statusHint" class="status-pill">PageUp/PageDown to navigate · Auto-save on switch</span>
</div>
<div class="toast" id="toast"></div>
<div class="modal-overlay" id="helpModal">
<div class="modal">
<h2>⌨ KCAC Annotation Workbench</h2>
<h3>Folder Workflow</h3>
<ol style="font-size:12px; line-height:1.7; padding-left:20px;">
<li>Click <strong>📁 Image Folder</strong> → pick the folder with all your <code>.jpg/.png</code> files.</li>
<li>Click <strong>📁 JSON Folder</strong> → pick the folder with Surya or KCAC <code>.json</code> output.</li>
<li>Files auto-pair by name (<code>page_009.jpg</code> ↔ <code>page_009.json</code>).</li>
<li>Click any image in the left list. Edit boxes, page metadata, verification status, and transcriptions. Click next image → previous edits auto-save.</li>
<li>The JSON folder needs <strong>read-write</strong> permission (browser will prompt).</li>
</ol>
<h3>KCAC Exports</h3>
<p style="font-size:12px; line-height:1.6; color:var(--muted)">Save keeps a KCAC JSON record with legacy <code>text_lines</code> and <code>layout</code> arrays. Export creates PAGE XML, ALTO XML, TEI P5, METS/MODS, IIIF 3.0, HuggingFace JSONL, Dataset Card, and Datasheet files.</p>
<h3>Shortcuts</h3>
<div class="shortcut-list">
<kbd>PageDown / PageUp</kbd><span>Next / previous file</span>
<kbd>Ctrl + S</kbd><span>Save current file</span>
<kbd>V / L / R</kbd><span>Select / draw-line / draw-layout</span>
<kbd>Del / Backspace</kbd><span>Delete selected</span>
<kbd>Ctrl + A</kbd><span>Select all</span>
<kbd>Ctrl + Z / Y</kbd><span>Undo / Redo</span>
<kbd>Esc</kbd><span>Deselect</span>
<kbd>Shift + Click</kbd><span>Add to selection</span>
<kbd>Drag empty area</kbd><span>Marquee select</span>
<kbd>Mouse wheel</kbd><span>Zoom</span>
<kbd>Space + drag</kbd><span>Pan canvas</span>
<kbd>Arrow keys</kbd><span>Nudge selected (Shift = 10px)</span>
<kbd>[ / ]</kbd><span>Rotate selected (Shift = 10deg)</span>
</div>
<h3>Browser Support</h3>
<p style="font-size:11px; color:var(--muted)">Folder auto-save needs the File System Access API — works in Chrome, Edge, Brave, Opera. In Firefox/Safari you can still load files but saves will download instead.</p>
<button class="btn primary close-btn" onclick="document.getElementById('helpModal').classList.remove('show')">Close</button>
</div>
</div>
<div class="modal-overlay" id="bookSetupModal">
<div class="modal">
<h2>Book Setup For This Folder</h2>
<p style="font-size:12px; line-height:1.6; color:var(--muted)">These values become the default catalog record for every image in the folder. Page sequence increases automatically by image order.</p>
<div class="field-grid" style="margin-top:12px">
<label class="field">Book ID<input type="text" id="setupBookId" placeholder="kcac_000152"></label>
<label class="field">Start page<input type="number" id="setupStartPage" min="1" step="1" value="1"></label>
<label class="field">Title<input type="text" id="setupTitle"></label>
<label class="field">Author<input type="text" id="setupAuthors"></label>
<label class="field">Rights<select id="setupRights">
<option value="unknown">unknown</option>
<option value="public_domain">public_domain</option>
<option value="permission_granted">permission_granted</option>
<option value="copyrighted">copyrighted</option>
</select></label>
<label class="field">SPDX<select id="setupSpdx">
<option value="NOASSERTION">NOASSERTION</option>
<option value="CC-BY-4.0">CC-BY-4.0</option>
<option value="CC-BY-SA-4.0">CC-BY-SA-4.0</option>
<option value="CC0-1.0">CC0-1.0</option>
<option value="LicenseRef-KCAC-Permission">LicenseRef-KCAC-Permission</option>
</select></label>
<label class="field">Source collection<input type="text" id="setupSource"></label>
<label class="field">Source URL<input type="text" id="setupSourceUrl"></label>
</div>
<div class="modal-actions">
<button class="btn" id="bookSetupLaterBtn">Later</button>
<button class="btn primary" id="bookSetupApplyBtn">Apply To Folder</button>
</div>
</div>
</div>
<div class="modal-overlay" id="infoModal">
<div class="modal">
<h2 id="infoModalTitle">More Info</h2>
<p id="infoModalText" style="font-size:12px; line-height:1.7; color:var(--muted)"></p>
<button class="btn primary close-btn" id="infoModalCloseBtn">Close</button>
</div>
</div>
<div class="smart-help" id="smartHelp">
<div id="smartHelpText"></div>
<div class="more"><button class="btn" id="smartHelpMoreBtn">More info</button></div>
</div>
<div class="modal-overlay" id="driveModal">
<div class="modal">
<h2>☁️ Google Drive — Connect Your Dataset</h2>
<p style="font-size:12px; line-height:1.6; color:var(--muted)">
Open a Google Drive folder of page images and JSON annotations directly in this editor. Edits save back to the same Drive folder.
You need to register one Google Cloud OAuth Client (free, one-time). See the help text below.
</p>
<div class="field-grid" style="margin-top:12px">
<label class="field">OAuth Client ID<input type="text" id="driveClientId" placeholder="xxxxxxxxxx.apps.googleusercontent.com"></label>
<label class="field">API key<input type="text" id="driveApiKey" placeholder="AIza..."></label>
<label class="field" style="grid-column: 1 / -1">Folder URL or ID<input type="text" id="driveFolderId" placeholder="https://drive.google.com/drive/folders/1lvJs5... or just the ID"></label>
</div>
<details style="margin-top:10px; font-size:11px; color:var(--muted); line-height:1.7">
<summary style="cursor:pointer; color:var(--accent)">▸ How to get the Client ID and API key (one-time, 5 minutes)</summary>
<div style="margin-top:8px; padding:10px; background:var(--panel-2); border-radius:6px;">
<ol style="padding-left:18px">
<li>Open <a href="https://console.cloud.google.com/" target="_blank" rel="noopener" style="color:var(--accent)">Google Cloud Console</a> and create or select a project.</li>
<li>Enable the <b>Google Drive API</b> at <code>APIs & Services → Library</code>.</li>
<li>Configure the OAuth consent screen (External, your email as test user) at <code>APIs & Services → OAuth consent screen</code>.</li>
<li>Under <code>APIs & Services → Credentials</code>:
<ul style="padding-left:14px">
<li>Create an <b>API key</b> → paste it above.</li>
<li>Create an <b>OAuth 2.0 Client ID</b> of type <b>Web application</b>. Add your page origin to <i>Authorized JavaScript origins</i>, e.g. <code>https://hiwakurdy.github.io</code> (GitHub Pages) or <code>http://localhost:8000</code> for local testing. Paste the Client ID above.</li>
</ul>
</li>
<li>For the folder, paste either the full URL <code>https://drive.google.com/drive/folders/<ID></code> or just the <code><ID></code>.</li>
<li>Click <b>Connect & Load Folder</b>. A Google sign-in popup will appear the first time.</li>
</ol>
<p style="margin-top:6px"><b>Scopes requested:</b> <code>drive.file</code> — only files this app creates or that you explicitly open through this app. Your other Drive files are <b>not</b> accessible. You can revoke access any time at <a href="https://myaccount.google.com/permissions" target="_blank" rel="noopener" style="color:var(--accent)">myaccount.google.com/permissions</a>.</p>
<p style="margin-top:6px"><b>Note:</b> Because <code>drive.file</code> only sees files the app touches, the very first time you open a folder, the app will request the folder by its ID. Pre-existing files inside that folder are listed via that ID. New JSONs the app saves are owned by the app scope.</p>
</div>
</details>
<div class="modal-actions" style="margin-top:12px">
<button class="btn" id="driveDisconnectBtn" style="margin-right:auto; display:none">Disconnect</button>
<button class="btn" id="driveCancelBtn">Close</button>
<button class="btn primary" id="driveConnectBtn">Connect & Load Folder</button>
</div>
</div>
</div>
<script>
const SCHEMA_NAME = 'kcac_document_understanding_annotation';
const SCHEMA_VERSION = '0.1';
const STANDARDS = ['PAGE XML', 'ALTO XML', 'METS/MODS', 'TEI P5', 'IIIF Presentation 3.0', 'HuggingFace datasets', 'BCP 47', 'SPDX', 'Datasheet for Datasets'];
const PUBLIC_VERIFICATION = new Set(['single_verified', 'double_verified', 'adjudicated', 'gold']);
const OLD_LABEL_MAP = {
Text: 'TextRegion',
Title: 'HeadingH1',
SectionHeader: 'HeadingH2',
PageHeader: 'Header',
PageFooter: 'Footer',
ListItem: 'TextRegion',
Formula: 'MathRegion',
text_line: 'TextLine'
};
function defaultPageMeta() {
return {
book_id: 'kcac_000000',
page_number_sequence: 1,
page_number_printed: '',
page_type: 'body',
layout_class: 'single-column',
reading_direction: 'rtl',
language: 'ckb-Arab',
script: 'sorani-arabic',
era_typography: 'letterpress',
scan_resolution_dpi: '',
colour_mode: 'colour',
scan_quality: 'good',
damage_present: '',
verification_status: 'raw',
split: 'train',
has_illustrations: false,
has_table: false,
has_marginalia: false,
has_footnote: false,
has_poetry: false
};
}
function defaultBookMeta() {
return {
title_original: '',
title_normalised: '',
authors: '',
authors_normalised: '',
editor: '',
compiler: '',
translator: '',
publisher: '',
place_of_publication: '',
publication_year_printed: '',
publication_year_gregorian: '',
publication_year_hijri: '',
publication_year_kurdish: '',
genre: '',
tags: '',
rights_status: 'unknown',
spdx_license: 'NOASSERTION',
source_collection: '',
source_url: '',
physical_condition: '',
missing_pages: '',
notes: ''
};
}
const state = {
image: null, imageName: '', jsonData: null, annotations: [],
pageMeta: defaultPageMeta(), bookMeta: defaultBookMeta(), validationIssues: [],
selectedIds: new Set(), hoverIds: new Set(), tool: 'select',
zoom: 1, panX: 0, panY: 0,
isPanning: false, isDragging: false, isDrawing: false, isResizing: false, isRotating: false,
resizeHandle: null, isMarquee: false, marqueeStart: null, marqueeEnd: null,
drawStart: null, dragStart: null, dragOrigBboxes: null,
history: [], historyIdx: -1,
showLines: true, showLayout: true, showLabels: true, confThreshold: 0,
nextId: 1, spaceDown: false, curMouse: null,
imageDirHandle: null, jsonDirHandle: null,
imageFiles: [], jsonFiles: new Map(),
folderDefaults: { active: false, folderName: '', bookId: 'kcac_000000', startPage: 1, bookMeta: defaultBookMeta() },
currentIndex: -1, currentJsonHandle: null, currentJsonName: null,
dirty: false, savedSet: new Set(), fileFilter: '',
};
const FS_API = !!window.showDirectoryPicker;
/* ============================================================
GOOGLE DRIVE INTEGRATION
------------------------------------------------------------
Lets you treat a Google Drive folder as the source of images +
JSONs (instead of, or in addition to, the local-folder mode).
Saves edited KCAC JSON back to the same folder.
Uses Google Identity Services (OAuth) + gapi Drive v3.
============================================================ */
const DRIVE_LS_KEY = 'kcac_drive_config_v1';
const DRIVE_SCOPES = 'https://www.googleapis.com/auth/drive.file';
const DRIVE_DISCOVERY = 'https://www.googleapis.com/discovery/v1/apis/drive/v3/rest';
const drive = {
enabled: false,
clientId: '',
apiKey: '',
folderId: '',
folderName: '',
accessToken: '',
tokenClient: null,
gapiReady: false,
gisReady: false,
jsonIdByBase: new Map(), // basenameNoExt -> { id, name }
imageBlobCache: new Map(), // driveFileId -> Blob (memoized to avoid re-download on revisit)
};
function loadDriveConfig() {
try {
const raw = localStorage.getItem(DRIVE_LS_KEY);
if (!raw) return;
const cfg = JSON.parse(raw);
drive.clientId = cfg.clientId || '';
drive.apiKey = cfg.apiKey || '';
drive.folderId = cfg.folderId || '';
} catch {}
}
function saveDriveConfig() {
try {
localStorage.setItem(DRIVE_LS_KEY, JSON.stringify({
clientId: drive.clientId, apiKey: drive.apiKey, folderId: drive.folderId
}));
} catch {}
}
function parseDriveFolderId(input) {
if (!input) return '';
const trimmed = input.trim();
const m1 = trimmed.match(/\/folders\/([a-zA-Z0-9_-]+)/);
if (m1) return m1[1];
const m2 = trimmed.match(/[?&]id=([a-zA-Z0-9_-]+)/);
if (m2) return m2[1];
// assume raw ID
return trimmed.replace(/[^a-zA-Z0-9_-].*$/, '');
}
function setDriveStatus(text, ok) {
const pill = document.getElementById('driveStatusPill');
if (!pill) return;
pill.style.display = text ? 'inline-block' : 'none';
pill.textContent = text || '';
pill.classList.toggle('success', !!ok);
}
async function gapiLoadDrive() {
if (drive.gapiReady) return;
if (typeof gapi === 'undefined') throw new Error('gapi not loaded yet (check internet / blocked scripts)');
await new Promise((res, rej) => gapi.load('client', { callback: res, onerror: rej }));
await gapi.client.init({ apiKey: drive.apiKey, discoveryDocs: [DRIVE_DISCOVERY] });
drive.gapiReady = true;
}
function gisInitTokenClient() {
if (typeof google === 'undefined' || !google.accounts?.oauth2) {
throw new Error('Google Identity Services not loaded yet');
}
drive.tokenClient = google.accounts.oauth2.initTokenClient({
client_id: drive.clientId,
scope: DRIVE_SCOPES,
prompt: '',
callback: () => {}, // assigned per-request
});
drive.gisReady = true;
}
function requestDriveToken({ silent = false } = {}) {
return new Promise((resolve, reject) => {
if (!drive.tokenClient) { reject(new Error('Token client not ready')); return; }
drive.tokenClient.callback = (resp) => {
if (resp.error) { reject(new Error(resp.error)); return; }
drive.accessToken = resp.access_token;
gapi.client.setToken({ access_token: drive.accessToken });
resolve(resp);
};
try {
drive.tokenClient.requestAccessToken({ prompt: silent ? '' : 'consent' });
} catch (e) { reject(e); }
});
}
async function ensureDriveReady() {
if (!drive.clientId || !drive.apiKey || !drive.folderId) {
throw new Error('Set Client ID, API key, and Folder ID first');
}
await gapiLoadDrive();
if (!drive.gisReady) gisInitTokenClient();
if (!drive.accessToken) await requestDriveToken({ silent: false });
}
async function driveListFolder(folderId) {
// List all (non-trashed) files in the folder, paginated.
const out = [];
let pageToken = '';
do {
const resp = await gapi.client.drive.files.list({
q: `'${folderId}' in parents and trashed = false`,
fields: 'nextPageToken, files(id, name, mimeType, size, modifiedTime)',
pageSize: 1000,
pageToken: pageToken || undefined,
orderBy: 'name_natural',
supportsAllDrives: true,
includeItemsFromAllDrives: true,
});
out.push(...(resp.result.files || []));
pageToken = resp.result.nextPageToken || '';
} while (pageToken);
return out;
}
async function driveGetFolderName(folderId) {
try {
const resp = await gapi.client.drive.files.get({ fileId: folderId, fields: 'id, name' });
return resp.result.name || folderId;
} catch { return folderId; }
}
async function driveDownloadBlob(fileId, mimeHint) {
// Use raw fetch (gapi response body re-encodes binary). Auth via bearer.
const url = `https://www.googleapis.com/drive/v3/files/${encodeURIComponent(fileId)}?alt=media&supportsAllDrives=true`;
const r = await fetch(url, { headers: { Authorization: `Bearer ${drive.accessToken}` } });
if (!r.ok) {
if (r.status === 401) {
await requestDriveToken({ silent: true });
const r2 = await fetch(url, { headers: { Authorization: `Bearer ${drive.accessToken}` } });
if (!r2.ok) throw new Error(`Drive download ${r2.status}`);
return await r2.blob();
}
throw new Error(`Drive download ${r.status}`);
}
return await r.blob();
}
async function driveUploadJson(fileName, content, existingId) {
// Multipart upload create OR media-only update.
const boundary = '-------kcac' + Math.random().toString(36).slice(2);
const delim = `\r\n--${boundary}\r\n`;
const closeDelim = `\r\n--${boundary}--`;
const metadata = existingId
? { name: fileName }
: { name: fileName, parents: [drive.folderId], mimeType: 'application/json' };
const body =
delim +
'Content-Type: application/json; charset=UTF-8\r\n\r\n' +
JSON.stringify(metadata) +
delim +
'Content-Type: application/json\r\n\r\n' +
content +
closeDelim;
const method = existingId ? 'PATCH' : 'POST';
const url = existingId
? `https://www.googleapis.com/upload/drive/v3/files/${encodeURIComponent(existingId)}?uploadType=multipart&supportsAllDrives=true&fields=id,name`
: `https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart&supportsAllDrives=true&fields=id,name`;
const doFetch = async () => fetch(url, {
method,
headers: {
Authorization: `Bearer ${drive.accessToken}`,
'Content-Type': `multipart/related; boundary=${boundary}`,
},
body,
});
let r = await doFetch();
if (r.status === 401) {
await requestDriveToken({ silent: true });
r = await doFetch();
}
if (!r.ok) {
const txt = await r.text();
throw new Error(`Drive upload ${r.status}: ${txt.slice(0, 200)}`);
}
return await r.json();
}
function driveMakeImageHandle(file) {
// Adapter so existing loadByIndex pipeline (which calls entry.handle.getFile())
// works on Drive files. Returns an object that, when getFile() is called,
// yields a File-like Blob with a .name property.
return {
_driveId: file.id,
_driveName: file.name,
getFile: async () => {
let blob = drive.imageBlobCache.get(file.id);
if (!blob) {
blob = await driveDownloadBlob(file.id, file.mimeType);
// Bound cache size to ~10 most recent images
if (drive.imageBlobCache.size >= 10) {
const firstKey = drive.imageBlobCache.keys().next().value;
drive.imageBlobCache.delete(firstKey);
}
drive.imageBlobCache.set(file.id, blob);
}
// Wrap as a File-ish object: existing code uses .name and FileReader.readAsDataURL
const f = new File([blob], file.name, { type: file.mimeType || blob.type || 'application/octet-stream' });
return f;
}
};
}
function driveMakeJsonHandle(file) {
return {
_driveId: file.id,
_driveName: file.name,
getFile: async () => {
const blob = await driveDownloadBlob(file.id, 'application/json');
return new File([blob], file.name, { type: 'application/json' });
}
};
}
async function driveOpenFolderFlow() {
// Read inputs
drive.clientId = document.getElementById('driveClientId').value.trim();
drive.apiKey = document.getElementById('driveApiKey').value.trim();
drive.folderId = parseDriveFolderId(document.getElementById('driveFolderId').value);
if (!drive.clientId || !drive.apiKey || !drive.folderId) {
toast('Please fill all three fields', 'error'); return;
}
saveDriveConfig();
toast('Connecting to Drive…', 'success');
try {
await ensureDriveReady();
drive.folderName = await driveGetFolderName(drive.folderId);
const files = await driveListFolder(drive.folderId);
const imageMimes = /^image\/(jpeg|png|webp|tiff|bmp|gif)$/i;
const isImage = f => imageMimes.test(f.mimeType || '') || /\.(jpe?g|png|webp|tiff?|bmp)$/i.test(f.name);
const isJson = f => f.mimeType === 'application/json' || /\.json$/i.test(f.name);
const imageDriveFiles = files.filter(isImage).sort((a,b) => a.name.localeCompare(b.name, undefined, { numeric: true }));
const jsonDriveFiles = files.filter(isJson);
state.imageFiles = imageDriveFiles.map(f => ({ handle: driveMakeImageHandle(f), name: f.name, _driveId: f.id }));
const jsonMap = new Map();
drive.jsonIdByBase = new Map();
for (const f of jsonDriveFiles) {
const base = basenameNoExt(f.name);
jsonMap.set(base, { handle: driveMakeJsonHandle(f), name: f.name, _driveId: f.id });
drive.jsonIdByBase.set(base, { id: f.id, name: f.name });
}
state.jsonFiles = jsonMap;
// Switch into Drive mode (disables FS-API save path)
drive.enabled = true;
state.imageDirHandle = null;
state.jsonDirHandle = null;
state.currentIndex = -1;
state.savedSet.clear();
prepareFolderDefaults(drive.folderName);
document.getElementById('imgFolderStatus').textContent = `☁️ ${drive.folderName} (${imageDriveFiles.length} img)`;
document.getElementById('imgFolderStatus').className = 'folder-status ok';
document.getElementById('jsonFolderStatus').textContent = `☁️ ${drive.folderName} (${jsonDriveFiles.length} json)`;
document.getElementById('jsonFolderStatus').className = 'folder-status ok';
setDriveStatus(`Drive: ${drive.folderName}`, true);
document.getElementById('driveBtnLabel').textContent = 'Drive: ' + drive.folderName;
document.getElementById('driveBtnIcon').textContent = '☁️✓';
document.getElementById('driveDisconnectBtn').style.display = 'inline-flex';
rebuildFileList();
if (state.imageFiles.length > 0) await loadByIndex(0);
if (state.imageFiles.length > 0 && needsBookSetup()) showBookSetupModal();
toast(`Drive: loaded ${imageDriveFiles.length} images, ${jsonDriveFiles.length} JSONs`, 'success');
document.getElementById('driveModal').classList.remove('show');
} catch (e) {
console.error(e);
toast('Drive error: ' + e.message, 'error');
}
}
async function driveSaveCurrent(jsonText, baseName) {
if (!drive.enabled) throw new Error('Drive not connected');
if (!drive.accessToken) await requestDriveToken({ silent: true });
const fileName = (baseName || basenameNoExt(state.imageName) || 'page') + '.json';
const existing = drive.jsonIdByBase.get(basenameNoExt(fileName));
const resp = await driveUploadJson(fileName, jsonText, existing?.id);
// Update local maps
drive.jsonIdByBase.set(basenameNoExt(resp.name || fileName), { id: resp.id, name: resp.name || fileName });
const entry = { handle: driveMakeJsonHandle({ id: resp.id, name: resp.name || fileName }), name: resp.name || fileName, _driveId: resp.id };
state.jsonFiles.set(basenameNoExt(resp.name || fileName), entry);
state.currentJsonName = resp.name || fileName;
return resp;
}
function driveDisconnect() {
drive.enabled = false;