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
2.2 KiB
Markdown
32 lines
2.2 KiB
Markdown
# Cols
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**Widget Functionality**: Displays a paginated, scrollable multi-column data list, supporting dynamic loading of previous and next page data. Commonly used in scenarios such as content walls and card-based layouts.
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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 Name | Type | Description |
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|------------------|--------|-------------|
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| `data_url` | String | The URL for fetching data asynchronously. |
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| `data_params` | Object | Initial parameter object sent with data requests. |
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| `data_method` | String | HTTP method for the request (e.g., GET, POST); defaults to GET. |
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| `page_rows` | Number | Number of data rows requested per page. |
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| `cache_limit` | Number | Maximum number of pages to cache; controls how many historical data pages are kept in memory. |
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| `col_cwidth` | Number | Fixed width (in pixels) for each column, used in dynamic column layout calculations. |
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| `mobile_cols` | Number | Number of columns displayed on mobile devices; defaults to 2. |
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| `title` | String | Optional title text; if provided, a title component will be displayed. |
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| `description` | String | Optional description text (supports Markdown format), rendered as explanatory content. |
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| `toolbar` | Object | Toolbar configuration object defining top action buttons. |
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| `record_view` | Object | View template definition for individual records, describing how each data item should be rendered. |
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> **Note**: `record_view` is a widget configuration object that will be used by `bricks.widgetBuild` to generate child widgets for each data item.
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## Main Events
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| Event Name | Trigger Condition | Payload |
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|------------------|-------------------|---------|
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| `record_click` | Triggered when a user clicks on a record | The data object (`user_data`) corresponding to the clicked record |
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| `command` | Command event passed up from `toolbar_w` when a toolbar button is clicked, forwarded via `command_handle` as `dispatch(name)` | Command name (from `params.name` in the toolbar) |
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> **Note**: `dispatch('record_click', data)` broadcasts this event outward so it can be listened to and handled externally. |