新增阅读器功能，待优化

2026-06-20 00:54:40 +08:00
parent 0af9d4368a
commit 670502b4f5
250 changed files with 97847 additions and 826 deletions
--- a/lib/pages/reader/toc_drawer.dart
+++ b/lib/pages/reader/toc_drawer.dart
@@ -0,0 +1,77 @@
+import 'package:flutter/material.dart';
+import 'epub_player.dart';
+
+/// 目录抽屉 — 显示书籍章节目录，点击跳转
+class TocDrawer extends StatelessWidget {
+  final List<TocItem> toc;
+  final GlobalKey<EpubPlayerState> epubPlayerKey;
+  final VoidCallback? onClose;
+
+  const TocDrawer({
+    super.key,
+    required this.toc,
+    required this.epubPlayerKey,
+    this.onClose,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colors = Theme.of(context).colorScheme;
+
+    return Container(
+      color: colors.surface,
+      child: SafeArea(
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Padding(
+              padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
+              child: Row(
+                children: [
+                  Icon(Icons.toc, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
+                  const SizedBox(width: 10),
+                  Text('目录', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
+                  const Spacer(),
+                  IconButton(
+                    icon: const Icon(Icons.close),
+                    onPressed: onClose ?? () => Navigator.pop(context),
+                  ),
+                ],
+              ),
+            ),
+            Divider(height: 1, color: colors.outlineVariant),
+            Expanded(
+              child: toc.isEmpty
+                  ? Center(
+                      child: Text('暂无目录', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.3))),
+                    )
+                  : ListView.builder(
+                      padding: const EdgeInsets.symmetric(vertical: 8),
+                      itemCount: toc.length,
+                      itemBuilder: (context, index) {
+                        final item = toc[index];
+                        return InkWell(
+                          onTap: () {
+                            epubPlayerKey.currentState?.goToHref(item.href);
+                            Navigator.pop(context);
+                          },
+                          child: Padding(
+                            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
+                            child: Text(
+                              item.title,
+                              style: TextStyle(
+                                fontSize: 14,
+                                color: colors.onSurface.withValues(alpha: 0.8),
+                              ),
+                            ),
+                          ),
+                        );
+                      },
+                    ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}