layout.py

from nicegui import ui

active_menu = "/"

# 模型训练菜单项
train_menu_items = [
    {"label": "关于LoRA训练大师", "icon": "rocket", "key": "/"},
    {"label": "万相视频 LoRA训练", "icon": "rocket", "key": "/Wan"},
    {"label": "Flux Kontext LoRA训练", "icon": "settings", "key": "/FluxKontext"},
    {"label": "Flux LoRA训练", "icon": "rocket", "key": "/Flux"},
    {"label": "Qwen Image LoRA训练", "icon": "rocket", "key": "/QwenImage"},
    {"label": "混元视频 LoRA训练", "icon": "rocket", "key": "/HunyuanVideo"},
    # {"label": "FramePack LoRA训练", "icon": "download", "key": "/FramePack"},
    {"label": "TensorBoard 仪表盘", "icon": "rocket", "key": "/Tensorboard"},
]

# 素材处理菜单项
caption_menu_items = [
    {"label": "素材打标", "icon": "rocket", "key": "/AutoCaptioning"},
    {"label": "素材转格式", "icon": "rocket", "key": "/ImageConvert"},
    {"label": "素材重命名", "icon": "rocket", "key": "/ImageRename"},
]

def is_train():
    train_active = False
    for item in train_menu_items:
        uri = ui.context.client.request.url.path
        if uri == item["key"]:
            train_active = True
    return train_active

def is_caption():
    caption_active = False
    for item in caption_menu_items:
        uri = ui.context.client.request.url.path
        if uri == item["key"]:
            caption_active = True
    return caption_active

def with_layout(content_func):
    """
    包装页面内容，添加顶部栏、侧边栏等公共布局
    content_func: 页面具体内容定义的函数
    """
    # 顶部菜单栏
    ui.add_head_html("""
        <style>
            * {
                text-transform: none !important;
            }
        </style>
    """)
    with ui.header().classes('items-center justify-between bg-primary text-white'):
        with ui.row().classes('items-center'):
            ui.image('assets/logo.png').style('width:50px;height:50px')
            ui.label('LoRAMaster / LoRA训练大师 by AI搅拌手').classes('text-xl font-bold ml-2')

        with ui.row().classes('items-center'):
            train_button = ui.link("模型训练", "/").props('flat').classes(
                f'flex items-center text-left p-3 rounded-lg text-lg text-white'
            ).style('font-weight: bold;')

            train_button_active = is_train()
            if train_button_active:
                train_button.style('text-decoration-line: underline;text-decoration-thickness: 2px;text-underline-offset: 12px;')
            else:
                train_button.style('text-decoration: none;')

            caption_button = ui.link("素材打标与处理", "/AutoCaptioning").props('flat').classes(
                f'flex items-center text-left p-3 rounded-lg text-lg text-white'
            ).style('font-weight: bold;')
            caption_button_active = is_caption()
            if caption_button_active:
                caption_button.style(
                    'text-decoration-line: underline;text-decoration-thickness: 2px;text-underline-offset: 12px;')
            else:
                caption_button.style('text-decoration: none;')


            ui.label('QQ交流群：559826331')
            ui.html("""
                <a href="https://space.bilibili.com/1997403556" target="_blank">联系作者：AI搅拌手</a>
                <a href="https://github.com/AIMixer/LoRAMaster" target="_blank">Github</a>
            """)
        # ui.button(icon='menu', on_click=lambda: right_drawer.toggle()).props('flat color=white')


    # 左侧导航栏
    with ui.left_drawer().classes('bg-blue-50'):
        if is_train():
            for item in train_menu_items:
                uri = ui.context.client.request.url.path
                is_active = (uri == item["key"])
                button = ui.button(on_click=lambda key=item["key"]: switch_page(key)).props('flat').classes(
                    f'flex items-center w-full text-left p-3 rounded-lg transition-colors '
                    + ('bg-gray-800 border-l-4 border-blue-500' if is_active else 'hover:bg-gray-800')
                )
                with button:
                    # ui.icon(item["icon"]).classes('mr-3')
                    ui.label(item["label"]).classes('text-base')
        if is_caption():
            for item in caption_menu_items:
                uri = ui.context.client.request.url.path
                is_active = (uri == item["key"])
                button = ui.button(on_click=lambda key=item["key"]: switch_page(key)).props('flat').classes(
                    f'flex items-center w-full text-left p-3 rounded-lg transition-colors '
                    + ('bg-gray-800 border-l-4 border-blue-500' if is_active else 'hover:bg-gray-800')
                )
                with button:
                    # ui.icon(item["icon"]).classes('mr-3')
                    ui.label(item["label"]).classes('text-base')
        # 显示广告内容
        with ui.element().classes('fixed bottom-5 left-5 w-[260px]'):
            with ui.link(target='https://www.bilibili.com/video/BV1kdeuzvE2j', new_tab=True):
                ui.image('assets/jiaocheng.png').classes('w-full h-[100px]').style('margin-bottom:5px')
            with ui.link(target='https://loramaster.com', new_tab=True):
                ui.image('assets/app.png').classes('w-full h-[100px]')
    # 右侧抽屉栏
    # with ui.right_drawer(fixed=False).classes('bg-blue-100').props('bordered') as right_drawer:
    #     ui.label('📌 右侧抽屉内容')

    # 页面主体内容（传入的函数）
    with ui.column().classes('w-full').style('width:100%;height:100%'):
        content_func()

    # 底部栏
    with ui.footer().style('background-color: #3874c8'):
        ui.label('版权声明：本软件由AI搅拌手开发，在个人与单位的本地部署环境下，永久免费使用，不收取任何费用。任何云端服务商、SaaS 平台或通过互联网向第三方提供本软件运行环境的行为，均须事先获得作者的授权。未经授权的云端部署、商业化运营或提供在线访问的行为，将依法追究法律责任。').classes('text-white ml-2')

    def switch_page(key: str):
        global active_menu
        active_menu = key
        # ui.navigate.to(key, new_tab=False)
        ui.run_javascript('window.location.href="' + key + '";')
        # ui.run_javascript("location.reload()")  # 简化：刷新后重新渲染 active
        # 实际中可以改为内容区域 update 替代 reload