yumoqing
2e22085122
- withLoginInfo 改为接收完整 opts（含 method/headers/params） - 等待 login_window 的 destroy 事件（=登录成功信号） - 登录成功后重试原始请求 - 重试仍401则返回null（避免死循环） - 用户手动关闭登录窗口时也触发重试，401则返回null
32 lines
2.0 KiB
Markdown
32 lines
2.0 KiB
Markdown
# Menu
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**Widget Functionality**: Used to create interactive menu components, supporting static menu items, nested submenus, and dynamically loading remote submenus. Clicking a menu item can trigger actions such as page navigation or opening a popup window.
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**Type**: Container widget
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**Parent Widget**: `bricks.VBox`
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## Initialization Parameters
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| Parameter | Type | Description |
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|---------|------|-------------|
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| `options.bgcolor` | String | Background color of the menu; default is `"white"` |
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| `options.items` | Array | Array of menu items, where each item contains properties like label, url, icon, target, etc. (see `create_menuitem` and `create_children` methods for details) |
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| `options.item_cheight` | Number | Height unit (cheight) for menu items, affecting layout of icons and text |
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| `options.menuitem_css` | String | Custom CSS class name for styling menu items |
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| `options.target` | String | Target container type after clicking a menu item, e.g., `'PopupWindow'`, `'Popup'`, or another widget ID |
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| `options.popup_options` | Object | Configuration options for popup behavior, used to customize display settings of PopupWindow or Popup |
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> Note: `options` are also passed to the parent class `VBox`, inheriting its general layout parameters.
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## Main Events
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- **`item_click`**
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**Trigger**: When a user clicks a menu item
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**Callback Parameters**: `item` object (contains fields such as `label`, `url`, `icon`, `target`)
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**Handling Logic**: Determines the opening method based on `item.target` (e.g., new window, popup, or replacing content in a specified widget), and loads the corresponding URL content via `widgetBuild`.
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- **`command`**
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**Trigger**: Dispatched after `menu_clicked` finishes handling navigation logic
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**Callback Parameters**: Same `opts` object as in `item_click`
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**Purpose**: Notifies external systems to execute additional commands or perform state updates.
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> Event binding is set via `this.bind('item_click', ...)` in the constructor and triggered by `regen_menuitem_event`. |