feat(文档管理): 优化文档管理与信息编辑

assets/webui/index.html

@@ -332,6 +332,21 @@
 				<div class="form-actions"><div id="paragraphStatus" class="form-status" role="status"></div><button id="paragraphCancel" class="button" type="button">取消</button><button class="button" type="submit">确定</button></div>
 			</form>
 		</dialog>
+		<dialog id="documentPanel" class="form-dialog document-dialog" aria-labelledby="documentTitle">
+			<form id="documentForm">
+				<h2 id="documentTitle" class="form-title">文档管理</h2>
+				<div id="documentList" class="document-list" role="listbox" aria-label="文档列表"></div>
+				<div id="documentActions" class="document-actions" role="group" aria-label="文档操作">
+					<button id="documentAddButton" class="button" type="button" title="新增文档" aria-label="新增文档" aria-haspopup="dialog" aria-controls="createPanel">新增</button>
+					<button id="infoButton" class="button" type="button" title="修改文档" aria-label="修改文档信息" aria-haspopup="dialog" aria-controls="infoPanel">修改</button>
+					<button id="documentDeleteButton" class="button" type="button" title="删除文档" aria-label="删除文档">删除</button>
+					<button id="documentUpButton" class="button" type="button" title="前移文档" aria-label="前移文档">前移</button>
+					<button id="documentDownButton" class="button" type="button" title="后移文档" aria-label="后移文档">后移</button>
+					<button id="documentClose" class="button" type="button">关闭</button>
+				</div>
+				<div id="documentStatus" class="form-status" role="status"></div>
+			</form>
+		</dialog>
 		<dialog id="infoPanel" class="form-dialog" aria-label="文档信息">
 			<form id="infoForm">
 				<label class="form-row"><span>标题</span><input id="infoTitle" type="text" autofocus></label>
@@ -594,19 +609,11 @@
 				</section>
 				<div class="panel-row">
 					<div class="panel-title compact">文档</div>
-					<div id="documentActions" class="panel-actions" hidden>
-						<button id="documentAddButton" class="small-button" type="button" title="新建文档" aria-haspopup="dialog" aria-controls="createPanel">新建</button>
-						<button id="infoButton" class="small-button" type="button" title="修改文档" aria-label="修改文档信息" aria-haspopup="dialog" aria-controls="infoPanel" hidden>修改</button>
-						<button id="documentDeleteButton" class="small-button" type="button" title="删除文档">删除</button>
-					</div>
+					<button id="documentManageButton" class="small-button" type="button" title="文档管理" aria-label="文档管理" aria-haspopup="dialog" aria-controls="documentPanel" hidden>管理</button>
 				</div>
 				<div id="editNotice" class="font-permission-hint" role="status" hidden></div>
 				<div id="documentRow" class="document-row" hidden>
 					<select id="documentSelect" class="document-select" aria-label="选择文档" title="切换文档"></select>
-					<div id="documentOrder" class="panel-actions" hidden>
-						<button id="documentUpButton" class="small-button" type="button" title="前移文档" aria-label="前移文档">&#8593;</button>
-						<button id="documentDownButton" class="small-button" type="button" title="后移文档" aria-label="后移文档">&#8595;</button>
-					</div>
 				</div>
 				<dl class="meta-list">
 					<div>

assets/webui/ofdgo.css

@@ -1429,6 +1429,7 @@ body[data-hide-meta] .meta-panel {
 .viewer-panel,
 .search-results,
 .editor-toolbar,
+.document-list,
 .meta-panel {
 	scrollbar-width: thin;
 	scrollbar-color: var(--line-strong) transparent;
@@ -1523,16 +1524,6 @@ body[data-hide-meta] .meta-panel {
 	margin-bottom: 10px;
 }
 
-.document-row .panel-actions {
-	flex-wrap: nowrap;
-}
-
-.document-row .small-button {
-	width: 28px;
-	height: 28px;
-	padding: 0;
-}
-
 .document-select {
 	flex: 1;
 	width: 0;
@@ -1542,6 +1533,81 @@ body[data-hide-meta] .meta-panel {
 	font-size: 12px;
 }
 
+.document-dialog {
+	width: 440px;
+}
+
+.document-dialog .form-status:not(:empty) {
+	margin-top: 8px;
+}
+
+.document-actions {
+	display: grid;
+	grid-template-columns: repeat(6, minmax(0, 1fr));
+	gap: 6px;
+}
+
+.document-actions > .button {
+	min-width: 0;
+	padding-inline: 6px;
+}
+
+.document-list {
+	max-height: 45dvh;
+	min-height: 80px;
+	margin-bottom: 12px;
+	border: 1px solid var(--line);
+	overflow: auto;
+}
+
+.document-entry {
+	display: grid;
+	grid-template-columns: minmax(0, 1fr) 4em;
+	align-items: center;
+	gap: 8px;
+	width: 100%;
+	min-height: 38px;
+	padding: 8px 10px;
+	border: 0;
+	border-bottom: 1px solid var(--line);
+	text-align: left;
+}
+
+.document-entry:last-child {
+	border-bottom: 0;
+}
+
+.document-entry:hover,
+.document-entry[aria-selected="true"] {
+	background: var(--accent-soft);
+}
+
+.document-entry[aria-selected="true"] {
+	color: var(--accent-strong);
+}
+
+.document-entry:focus-visible {
+	outline-offset: -2px;
+}
+
+.document-name {
+	min-width: 0;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+.document-pages {
+	font-size: 12px;
+	color: var(--text-muted);
+	white-space: nowrap;
+}
+
+.document-pages {
+	text-align: right;
+	font-variant-numeric: tabular-nums;
+}
+
 .app-panel {
 	margin-bottom: 12px;
 	padding-bottom: 12px;
@@ -3127,6 +3193,10 @@ audio.page-media {
 		grid-template-columns: 1fr;
 	}
 
+	.document-actions {
+		grid-template-columns: repeat(3, minmax(0, 1fr));
+	}
+
 	.tool-group + .tool-group::before {
 		display: none;
 	}

assets/webui/ofdgo.js

@@ -60,6 +60,9 @@ const state = {
 	imageImporting: false,
 	createInsert: false,
 	createPackage: false,
+	createDocumentAt: null,
+	documentManagement: null,
+	infoDocumentIndex: null,
 	pageSelection: new Set(),
 	pageSelectionAnchor: null,
 	pageMultiSelect: false,
@@ -235,8 +238,13 @@ const el = {
 	infoButton: document.querySelector("#infoButton"),
 	documentSelect: document.querySelector("#documentSelect"),
 	documentActions: document.querySelector("#documentActions"),
+	documentManageButton: document.querySelector("#documentManageButton"),
+	documentPanel: document.querySelector("#documentPanel"),
+	documentForm: document.querySelector("#documentForm"),
+	documentList: document.querySelector("#documentList"),
+	documentStatus: document.querySelector("#documentStatus"),
+	documentClose: document.querySelector("#documentClose"),
 	documentRow: document.querySelector("#documentRow"),
-	documentOrder: document.querySelector("#documentOrder"),
 	documentAddButton: document.querySelector("#documentAddButton"),
 	documentDeleteButton: document.querySelector("#documentDeleteButton"),
 	documentUpButton: document.querySelector("#documentUpButton"),
@@ -679,30 +687,54 @@ editorClick(el.paragraphButton, () => {
 });
 el.paragraphCancel.addEventListener("click", () => el.paragraphPanel.close());
 editorClick(el.documentAddButton, () => openCreatePanel(false, true));
+editorClick(el.documentManageButton, openDocumentManagement);
+el.documentClose.addEventListener("click", () => el.documentPanel.close());
+el.documentPanel.addEventListener("cancel", event => { if (el.documentForm.inert) event.preventDefault(); });
+el.documentPanel.addEventListener("close", () => {
+	if (!el.documentPanel.open) {
+		state.documentManagement = null;
+		el.documentList.replaceChildren();
+		el.documentStatus.textContent = "";
+	}
+});
+el.documentList.addEventListener("keydown", event => {
+	if (!state.documentManagement || !["ArrowUp", "ArrowDown", "Home", "End"].includes(event.key)) return;
+	event.preventDefault();
+	const count = state.doc.documents.length, index = state.documentManagement.index;
+	selectManagedDocument(event.key === "Home" ? 0 : event.key === "End" ? count - 1
+		: Math.max(0, Math.min(count - 1, index + (event.key === "ArrowUp" ? -1 : 1))), true);
+});
 editorClick(el.documentDeleteButton, () => {
-	if (window.confirm("删除当前文档？")) return changeDocument("ofdgoChangeDocument", null, "delete", state.doc.documentIndex || 0);
+	const index = managedDocumentIndex(), entry = state.doc.documents[index];
+	if (window.confirm(`删除文档“${entry.title || "未命名"}”？`)) return changeDocument("ofdgoChangeDocument", null, "delete", index);
 });
 editorClick(el.documentUpButton, () => {
-	const index = state.doc.documentIndex || 0;
+	const index = managedDocumentIndex();
 	return changeDocument("ofdgoChangeDocument", null, "move", index, index - 1);
 });
 editorClick(el.documentDownButton, () => {
-	const index = state.doc.documentIndex || 0;
+	const index = managedDocumentIndex();
 	return changeDocument("ofdgoChangeDocument", null, "move", index, index + 1);
 });
 editorClick(el.infoButton, () => {
-	for (const key of ["Title", "Author", "Subject"]) el[`info${key}`].value = state.doc[key.toLowerCase()] || "";
+	state.infoDocumentIndex = managedDocumentIndex();
+	const info = state.documentManagement?.entries?.[state.infoDocumentIndex] || state.doc;
+	for (const key of ["Title", "Author", "Subject"]) el[`info${key}`].value = info[key.toLowerCase()] || "";
 	el.infoCustomRows.replaceChildren();
-	for (const [index, field] of (state.doc.customData || []).entries()) addCustomDataRow(field, index);
+	for (const [index, field] of (info.customData || []).entries()) addCustomDataRow(field, index);
 	el.infoStatus.textContent = "";
 	el.infoPanel.showModal();
 });
 el.infoCancel.addEventListener("click", () => el.infoPanel.close());
+el.infoPanel.addEventListener("cancel", event => { if (el.infoForm.inert) event.preventDefault(); });
+el.infoPanel.addEventListener("close", () => { if (!el.infoPanel.open) state.infoDocumentIndex = null; });
 el.infoCustomAdd.addEventListener("click", () => addCustomDataRow());
 el.infoForm.addEventListener("submit", async event => {
 	event.preventDefault();
 	const fields = [...el.infoCustomRows.children].map(row => ({Name: row.children[0].value, Value: row.children[1].value, Source: row.sourceIndex}));
-	if (await changeDocument("ofdgoUpdateInfo", null, el.infoTitle.value, el.infoAuthor.value, el.infoSubject.value, JSON.stringify(fields))) el.infoPanel.close();
+	const args = [el.infoTitle.value, el.infoAuthor.value, el.infoSubject.value, JSON.stringify(fields)];
+	if (state.infoDocumentIndex !== null) args.push(state.infoDocumentIndex);
+	if (await changeDocument("ofdgoUpdateInfo", null, ...args)) el.infoPanel.close();
 });
 
 function addCustomDataRow(field = {Name: "", Value: ""}, sourceIndex) {
@@ -1529,7 +1561,7 @@ function handleKeyDown(event) {
 }
 
 function formDialogOpen() {
-	return Boolean(sealPreview) || el.signPanel.open || el.verifyPanel.open || el.credentialsPanel.open || el.encryptionPanel.open || batchElements.Panel.open || el.exportPanel.open || el.createPanel.open || el.insertPanel.open || el.pagePanel.open || el.paragraphPanel.open || el.importPanel.open || el.infoPanel.open
+	return Boolean(sealPreview) || el.signPanel.open || el.verifyPanel.open || el.credentialsPanel.open || el.encryptionPanel.open || batchElements.Panel.open || el.exportPanel.open || el.createPanel.open || el.insertPanel.open || el.pagePanel.open || el.paragraphPanel.open || el.importPanel.open || el.infoPanel.open || el.documentPanel.open
 		|| el.batchPagesPanel.open || el.objectStylePanel.open || el.sourceTextPanel.open || el.outlinePanel.open || el.objectBoundsPanel.open || el.annotationNote.open || el.annotationCreate.open || el.objectPicker.open;
 }
 
@@ -1956,6 +1988,93 @@ function setEditorInfo(doc) {
 	setDirty(state.packageDirty || state.encryptionDirty || doc.revision !== state.savedRevision);
 }
 
+function managedDocumentIndex() {
+	return state.documentManagement?.index ?? state.doc?.documentIndex ?? 0;
+}
+
+function documentEntryKey(entry) {
+	return JSON.stringify([entry?.root, entry?.id]);
+}
+
+async function openDocumentManagement() {
+	if (!state.editing || !state.ready || state.exporting || document.body.hasAttribute("aria-busy")) return;
+	const index = state.doc.documentIndex || 0;
+	state.documentManagement = { index, key: documentEntryKey(state.doc.documents[index]), entries: null, loading: false, failed: false };
+	renderDocumentManagement();
+	el.documentPanel.showModal();
+	await refreshDocumentManagement(true);
+}
+
+async function refreshDocumentManagement(focus = false) {
+	const manager = state.documentManagement, openSeq = state.openSeq;
+	if (!manager || !el.documentPanel.open) return;
+	manager.loading = true;
+	manager.failed = false;
+	el.documentStatus.textContent = "正在读取文档";
+	updateDocumentControls();
+	try {
+		const entries = await callWASM("ofdgoPackageDocuments");
+		if (state.documentManagement !== manager || !el.documentPanel.open) return;
+		if (openSeq !== state.openSeq) return await refreshDocumentManagement(focus);
+		const index = entries.findIndex(entry => documentEntryKey(entry) === manager.key);
+		manager.index = index < 0 ? Math.min(manager.index, entries.length - 1) : index;
+		manager.entries = entries;
+		manager.key = documentEntryKey(entries[manager.index]);
+		el.documentStatus.textContent = "";
+		renderDocumentManagement();
+		if (focus) el.documentList.children[manager.index]?.focus();
+	} catch (error) {
+		if (state.documentManagement === manager && openSeq === state.openSeq) {
+			manager.failed = true;
+			el.documentStatus.textContent = error.message;
+		}
+	} finally {
+		if (state.documentManagement === manager) {
+			manager.loading = false;
+			updateDocumentControls();
+		}
+	}
+}
+
+function renderDocumentManagement() {
+	const manager = state.documentManagement;
+	if (!manager) return;
+	const entries = manager.entries || state.doc.documents;
+	el.documentList.replaceChildren(...entries.map(entry => {
+		const button = document.createElement("button");
+		button.type = "button";
+		button.className = "document-entry";
+		button.setAttribute("role", "option");
+		button.setAttribute("aria-selected", String(entry.index === manager.index));
+		button.tabIndex = entry.index === manager.index ? 0 : -1;
+		const name = document.createElement("span");
+		name.className = "document-name";
+		name.textContent = `${entry.index + 1} · ${entry.title || "未命名"}`;
+		button.title = name.textContent;
+		const pages = document.createElement("span");
+		pages.className = "document-pages";
+		const count = entry.pageCount ?? (entry.index === state.doc.documentIndex ? state.doc.pageCount : null);
+		pages.textContent = count === null ? "-" : `${count}页`;
+		button.append(name, pages);
+		button.addEventListener("click", () => selectManagedDocument(entry.index));
+		return button;
+	}));
+	updateDocumentControls();
+}
+
+function selectManagedDocument(index, focus = false) {
+	const manager = state.documentManagement;
+	if (!manager || manager.loading || document.body.hasAttribute("aria-busy") || index < 0 || index >= state.doc.documents.length) return;
+	manager.index = index;
+	manager.key = documentEntryKey(state.doc.documents[index]);
+	for (const [i, button] of [...el.documentList.children].entries()) {
+		button.setAttribute("aria-selected", String(i === index));
+		button.tabIndex = i === index ? 0 : -1;
+	}
+	updateDocumentControls();
+	if (focus) el.documentList.children[index]?.focus();
+}
+
 async function switchDocument(index) {
 	if (!state.doc || document.body.hasAttribute("aria-busy") || state.exporting || formDialogOpen()) return;
 	const previous = state.doc.documentIndex || 0;
@@ -2087,9 +2206,10 @@ function openCreatePanel(insert = false, packageDocument = false) {
 	el.createForm.reset();
 	state.createInsert = insert === true;
 	state.createPackage = packageDocument === true;
+	state.createDocumentAt = state.createPackage ? managedDocumentIndex() + 1 : null;
 	el.createMode.value = state.createInsert ? "images" : "blank";
-	el.createSubmit.textContent = state.createInsert ? "插入" : "新建";
-	el.createPanel.setAttribute("aria-label", state.createInsert ? "插入图片" : "新建文档");
+	el.createSubmit.textContent = state.createInsert ? "插入" : state.createPackage ? "新增" : "新建";
+	el.createPanel.setAttribute("aria-label", state.createInsert ? "插入图片" : state.createPackage ? "新增文档" : "新建文档");
 	el.createCancel.disabled = false;
 	updateCreateOptions();
 	el.createStatus.textContent = "";
@@ -2130,7 +2250,7 @@ async function createDocument(event) {
 	event.preventDefault();
 	if (state.createPackage) {
 		if (await changeDocument("ofdgoChangeDocument", null, "add", el.createName.value.trim() || "未命名",
-			Number(el.createWidth.value), Number(el.createHeight.value), (state.doc.documentIndex || 0) + 1)) el.createPanel.close();
+			Number(el.createWidth.value), Number(el.createHeight.value), state.createDocumentAt)) el.createPanel.close();
 		return;
 	}
 	if (state.createInsert) {
@@ -2884,6 +3004,7 @@ async function changeDocument(name, item, ...args) {
 	const restoring = name === "ofdgoUndo" || name === "ofdgoRedo";
 	const { scrollLeft, scrollTop } = el.viewerPanel;
 	const importing = name === "ofdgoImportPages" || name === "ofdgoImportImages";
+	let refreshManagement = false;
 	state.imageImporting = name === "ofdgoImportImages";
 	if (importing) state.importing = true;
 	setBusy(true, importing ? "正在导入页面" : "", null);
@@ -2916,12 +3037,16 @@ async function changeDocument(name, item, ...args) {
 		if (doc.revision === state.editorInfo?.revision) {
 			return true;
 		}
+		refreshManagement = el.documentPanel.open && (name === "ofdgoChangeDocument" || name === "ofdgoUpdateInfo" || restoring);
 		const previousDocument = state.doc.documents?.[state.doc.documentIndex || 0];
 		const nextDocument = doc.documents?.[doc.documentIndex || 0];
 		const documentChanged = previousDocument?.root !== nextDocument?.root || previousDocument?.id !== nextDocument?.id;
 		const packageChanged = documentChanged || name === "ofdgoChangeDocument" || restoring
 			&& JSON.stringify(doc.documents?.map(entry => [entry.root, entry.id])) !== JSON.stringify(state.doc.documents?.map(entry => [entry.root, entry.id]));
 		if (packageChanged) {
+			if (state.documentManagement && name === "ofdgoChangeDocument" && args[0] === "add") {
+				state.documentManagement.key = documentEntryKey(nextDocument);
+			}
 			resetCompositeScope();
 			state.objectClipboard = state.styleClipboard = null;
 			state.pageSelection.clear();
@@ -3010,6 +3135,7 @@ async function changeDocument(name, item, ...args) {
 			return true;
 		}
 	} catch (err) {
+		refreshManagement = false;
 		if (openSeq === state.openSeq) {
 			if (el.annotationCreate.open) {
 				el.annotationCreateStatus.textContent = err.message;
@@ -3037,6 +3163,8 @@ async function changeDocument(name, item, ...args) {
 				el.createStatus.textContent = err.message;
 			} else if (el.importPanel.open) {
 				el.importStatus.textContent = err.message;
+			} else if (el.documentPanel.open) {
+				el.documentStatus.textContent = err.message;
 			} else {
 				showError(err, false);
 			}
@@ -3052,6 +3180,7 @@ async function changeDocument(name, item, ...args) {
 		}
 		if (openSeq === state.openSeq) {
 			setBusy(false);
+			if (refreshManagement) await refreshDocumentManagement();
 			if (toolbarFocus?.isConnected && !toolbarFocus.disabled) toolbarFocus.focus({ preventScroll: true });
 		}
 	}
@@ -3722,6 +3851,9 @@ async function openOFD(file, remote = null) {
 		el.pagePanel.close();
 		el.paragraphPanel.close();
 		el.infoPanel.close();
+		el.documentPanel.close();
+		state.documentManagement = null;
+		state.infoDocumentIndex = null;
 		el.annotationNote.close();
 		el.annotationCreate.close();
 		el.objectPicker.close();
@@ -8305,15 +8437,20 @@ function updateFitSpace() {
 }
 
 function updateDocumentControls() {
-	const count = state.doc?.documents?.length || 0, index = state.doc?.documentIndex || 0;
-	const disabled = !state.doc || !state.ready || state.exporting || document.body.hasAttribute("aria-busy");
-	el.documentActions.hidden = el.documentOrder.hidden = !state.editing;
+	const count = state.doc?.documents?.length || 0, index = managedDocumentIndex(), manager = state.documentManagement;
+	const busy = document.body.hasAttribute("aria-busy");
+	const disabled = !state.doc || !state.ready || state.exporting || busy;
+	el.documentManageButton.hidden = !state.editing;
+	el.documentManageButton.disabled = disabled;
 	el.documentRow.hidden = !count || !state.editing && count < 2;
 	el.documentSelect.disabled = disabled;
-	el.documentAddButton.disabled = el.infoButton.disabled = disabled || !state.editing;
-	el.documentDeleteButton.disabled = disabled || !state.editing || count <= 1;
-	el.documentUpButton.disabled = disabled || !state.editing || index === 0;
-	el.documentDownButton.disabled = disabled || !state.editing || index >= count - 1;
+	const actionsDisabled = disabled || !state.editing || Boolean(manager?.loading || manager?.failed);
+	el.documentList.inert = busy || Boolean(manager?.loading);
+	el.documentAddButton.disabled = actionsDisabled;
+	el.infoButton.disabled = actionsDisabled || Boolean(manager && !manager.entries);
+	el.documentDeleteButton.disabled = actionsDisabled || count <= 1;
+	el.documentUpButton.disabled = actionsDisabled || index === 0;
+	el.documentDownButton.disabled = actionsDisabled || index >= count - 1;
 }
 
 function updateControls() {
@@ -8355,7 +8492,6 @@ function updateEditorTools() {
 	el.editButton.title = state.editing ? "阅读" : "编辑";
 	el.editButton.setAttribute("aria-label", el.editButton.title);
 	el.editNotice.textContent = state.editorInfo?.editWarnings?.join("；") || "";
-	el.infoButton.hidden = !state.editing;
 	el.editNotice.hidden = !state.editing || !el.editNotice.textContent;
 	el.editorTools.hidden = !state.editing;
 	const pagesDisabled = !state.editing || !state.ready || state.exporting;
@@ -8535,6 +8671,7 @@ function setBusy(busy, text = "", percent = 0, status = "") {
 	el.pageForm.inert = busy;
 	el.paragraphForm.inert = busy;
 	el.infoForm.inert = busy;
+	el.documentForm.inert = busy;
 	el.attachmentForm.inert = busy;
 	el.attachmentPanel.inert = busy;
 	el.annotationForm.inert = busy;

internal/webui/wasm.go

@@ -186,6 +186,7 @@ func RunWASM() {
 	registerCallback("ofdgoOpen", openDocument)
 	registerCallback("ofdgoSelectDocument", selectDocument)
 	registerCallback("ofdgoChangeDocument", changePackageDocument)
+	registerCallback("ofdgoPackageDocuments", packageDocuments)
 	registerAsyncCallback("ofdgoConvertPDF", convertPDFDocument)
 	registerAsyncCallback("ofdgoConvertFile", convertFile)
 	registerAsyncCallback("ofdgoPackFiles", packFiles)
@@ -3285,11 +3286,21 @@ func createDocument(args []js.Value) (any, error) {
 }
 
 // updateInfo 修改文档信息和自定义字段，保留其他元数据及创建程序标识
-// 入参: args 标题、作者、主题、可选自定义字段JSON
+// 入参: args 标题、作者、主题、可选自定义字段JSON及文档索引
 // 返回: any 编辑状态, error 错误信息
 func updateInfo(args []js.Value) (any, error) {
 	return changeObjects(func() error {
-		info := currentEditor.Info
+		if len(args) < 3 || len(args) > 5 {
+			return fmt.Errorf("invalid document info arguments")
+		}
+		index := currentEditor.DocumentIndex()
+		if len(args) > 4 {
+			index = args[4].Int()
+		}
+		info, err := currentEditor.DocumentInfo(index)
+		if err != nil {
+			return err
+		}
 		info.Title, info.Author, info.Subject = args[0].String(), args[1].String(), args[2].String()
 		if len(args) > 3 {
 			var submitted []struct {
@@ -3317,11 +3328,40 @@ func updateInfo(args []js.Value) (any, error) {
 				info.CustomDatas = &ofdgo.CustomDatas{CustomData: fields}
 			}
 		}
-		currentEditor.SetInfo(info)
-		return nil
+		return currentEditor.SetDocumentInfo(index, info)
 	})
 }
 
+// packageDocuments 按需读取管理列表的元数据和页数，不切换当前文档或解析页面内容
+// 入参: args 保留参数
+// 返回: any 文档列表, error 编辑状态错误
+func packageDocuments(args []js.Value) (any, error) {
+	if currentSession == nil || currentEditor == nil {
+		return nil, fmt.Errorf("no document is being edited")
+	}
+	entries := make([]DocumentEntry, currentEditor.DocumentCount())
+	for i := range entries {
+		info, err := currentEditor.DocumentInfo(i)
+		if err != nil {
+			return nil, err
+		}
+		entry := &entries[i]
+		body := currentSession.Reader.OFD.DocBody[i]
+		entry.Index, entry.Root, entry.ID = i, body.DocRoot, info.DocID
+		entry.Title, entry.Author, entry.Subject = info.Title, info.Author, info.Subject
+		if info.CustomDatas != nil {
+			entry.CustomData = info.CustomDatas.CustomData
+		}
+		if i == currentEditor.DocumentIndex() {
+			count := currentEditor.PageCount()
+			entry.PageCount = &count
+		} else if count, err := currentSession.Reader.DocumentPageCount(i); err == nil {
+			entry.PageCount = &count
+		}
+	}
+	return entries, nil
+}
+
 // changeAttachment 编辑附件，逐个读取文件并复用库层事务和历史
 // 入参: args 操作、附件标识、名称列表、文件读取回调
 // 返回: any 编辑状态, error 错误信息

internal/webui/webui.go

@@ -98,12 +98,16 @@ type DocumentInfo struct {
 	DetailsPending  bool               `json:"detailsPending,omitempty"`
 }
 
-// DocumentEntry 包内文档入口，不预先解析其他文档的页面和资源
+// DocumentEntry 包内文档入口，管理列表按需补充元数据和页数
 type DocumentEntry struct {
 	Index      int                `json:"index"`
 	Title      string             `json:"title"`
 	Root       string             `json:"root"`
 	ID         string             `json:"id"`
+	Author     string             `json:"author,omitempty"`
+	Subject    string             `json:"subject,omitempty"`
+	CustomData []ofdgo.CustomData `json:"customData,omitempty"`
+	PageCount  *int               `json:"pageCount,omitempty"`
 }
 
 // DocumentDetails 不含页面数组的文档补充信息

ofdgo_editor_documents.go

@@ -23,6 +23,7 @@ import (
 	"io"
 	"maps"
 	"path"
+	"reflect"
 	"slices"
 	"strings"
 )
@@ -45,6 +46,50 @@ func (e *Editor) DocumentIndex() int {
 	return e.source.reader.DocumentIndex()
 }
 
+// DocumentInfo 获取指定文档信息的独立副本，不切换当前文档
+// 入参: index 文档索引，从0开始
+// 返回: DocInfo 文档信息, error 索引错误
+func (e *Editor) DocumentInfo(index int) (DocInfo, error) {
+	if index < 0 || index >= e.DocumentCount() {
+		return DocInfo{}, fmt.Errorf("document index %d out of range", index)
+	}
+	if index == e.DocumentIndex() {
+		return cloneEditorData(e.Info), nil
+	}
+	info := cloneEditorData(e.source.reader.OFD.DocBody[index].DocInfo)
+	if info.CustomDatas != nil {
+		for i := range info.CustomDatas.CustomData {
+			info.CustomDatas.CustomData[i].sourceIndex = i + 1
+		}
+	}
+	return info, nil
+}
+
+// SetDocumentInfo 修改指定文档信息，保留扩展内容，不切换当前文档，可通过Undo撤销
+// 入参: index 文档索引，从0开始, info 文档信息
+// 返回: error 修改错误
+func (e *Editor) SetDocumentInfo(index int, info DocInfo) error {
+	before, err := e.DocumentInfo(index)
+	if err != nil {
+		return err
+	}
+	if reflect.DeepEqual(before, info) {
+		return nil
+	}
+	if index == e.DocumentIndex() {
+		e.SetInfo(info)
+		return nil
+	}
+	return e.editDocuments(func(reader *Reader, data []byte, _ *editorXML) (int, error) {
+		updated, err := editorUpdateInfoXML(data, NewEditor().Info.DocID, index, before, info)
+		if err != nil {
+			return 0, err
+		}
+		reader.files[reader.fileNamesFold["ofd.xml"]] = updated
+		return reader.DocumentIndex(), nil
+	})
+}
+
 // AddDocument 在包内插入含一页的空白文档并选中，不修改输入包
 // 当前文档的修改保留，新文档使用独立目录和文档标识；可通过Undo撤销
 // 入参: title 文档标题, width 页面宽度, height 页面高度, at 插入位置，从0开始，可等于文档数量
@@ -116,26 +161,12 @@ func (e *Editor) AddDocument(title string, width, height float64, at int) (int,
 // 入参: index 文档索引，从0开始, title 标题，空值移除标题
 // 返回: error 修改错误
 func (e *Editor) RenameDocument(index int, title string) error {
-	if index < 0 || index >= e.DocumentCount() {
-		return fmt.Errorf("document index %d out of range", index)
-	}
-	if index == e.DocumentIndex() {
-		info := e.Info
-		info.Title = title
-		e.SetInfo(info)
-		return nil
-	}
-	if e.source.reader.OFD.DocBody[index].DocInfo.Title == title {
-		return nil
-	}
-	return e.editDocuments(func(reader *Reader, data []byte, _ *editorXML) (int, error) {
-		data, info, err := editorDocInfoXML(data, NewEditor().Info.DocID, index)
+	info, err := e.DocumentInfo(index)
 	if err != nil {
-			return 0, err
+		return err
 	}
-		reader.files[reader.fileNamesFold["ofd.xml"]] = editorXMLSetText(data, info, [][2]string{{"Title", title}})
-		return reader.DocumentIndex(), nil
-	})
+	info.Title = title
+	return e.SetDocumentInfo(index, info)
 }
 
 // MoveDocument 调整包内文档顺序，当前文档随条目移动，不重写内容，可通过Undo撤销

ofdgo_editor_metadata.go

@@ -29,16 +29,23 @@ func (e *Editor) sourceInfoXML() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	data, info, err := editorDocInfoXML(data, e.source.fallbackDocID, e.source.reader.documentIndex)
+	return editorUpdateInfoXML(data, e.source.fallbackDocID, e.source.reader.documentIndex, e.source.info, e.Info)
+}
+
+// editorUpdateInfoXML 更新指定文档的描述和自定义字段，保留未修改内容
+// 入参: data 根索引XML, docID 缺少描述时使用的标识, index 文档索引, before 原信息, after 新信息
+// 返回: []byte 修改后的XML, error 解析错误
+func editorUpdateInfoXML(data []byte, docID string, index int, before, after DocInfo) ([]byte, error) {
+	data, info, err := editorDocInfoXML(data, docID, index)
 	if err != nil {
 		return nil, err
 	}
-	before, after := e.source.info, e.Info
 	var values [][2]string
 	for _, field := range [][3]string{
 		{"DocID", before.DocID, after.DocID}, {"Title", before.Title, after.Title}, {"Author", before.Author, after.Author},
 		{"Subject", before.Subject, after.Subject}, {"Abstract", before.Abstract, after.Abstract},
 		{"CreationDate", before.CreationDate, after.CreationDate}, {"ModDate", before.ModDate, after.ModDate},
+		{"Creator", before.Creator, after.Creator}, {"CreatorVersion", before.CreatorVersion, after.CreatorVersion},
 	} {
 		if field[1] != field[2] {
 			values = append(values, [2]string{field[0], field[2]})
@@ -50,7 +57,7 @@ func (e *Editor) sourceInfoXML() ([]byte, error) {
 		if err != nil {
 			return nil, err
 		}
-		return editorCustomDatas(data, root.childAt("DocBody", e.source.reader.documentIndex).child("DocInfo"), after.CustomDatas)
+		return editorCustomDatas(data, root.childAt("DocBody", index).child("DocInfo"), after.CustomDatas)
 	}
 	return data, nil
 }

ofdgo_reader.go

@@ -83,6 +83,30 @@ func (r *Reader) DocumentIndex() int {
 	return r.documentIndex
 }
 
+// DocumentPageCount 获取指定文档页数，不切换当前文档或加载资源、注释和签名
+// 入参: index 文档索引，从0开始
+// 返回: int 页数, error 错误信息
+func (r *Reader) DocumentPageCount(index int) (int, error) {
+	if index < 0 || index >= r.DocumentCount() {
+		return 0, fmt.Errorf("document index %d out of range", index)
+	}
+	if index == r.documentIndex && r.doc != nil {
+		return len(r.doc.Pages.Page), nil
+	}
+	data, err := r.readFile(r.OFD.DocBody[index].DocRoot)
+	if err != nil {
+		return 0, err
+	}
+	var doc struct {
+		XMLName xml.Name `xml:"Document"`
+		Pages   Pages    `xml:"Pages"`
+	}
+	if err := xml.Unmarshal(data, &doc); err != nil {
+		return 0, fmt.Errorf("failed to unmarshal document.xml: %w", err)
+	}
+	return len(doc.Pages.Page), nil
+}
+
 // Document 创建指定文档的独立阅读器，不改变当前文档或混用资源缓存
 // 返回的阅读器不关闭输入文件，使用期间不得关闭持有输入文件的原阅读器
 // 入参: index 文档索引，从0开始