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| 1 | +# BulkEditFormItem Component |
| 2 | + |
| 3 | +## Overview |
| 4 | + |
| 5 | +`BulkEditFormItem` is a custom Form.Item component designed for bulk editing scenarios in the Backend.AI WebUI. It provides a user-friendly interface for handling bulk updates with three distinct modes: |
| 6 | + |
| 7 | +1. **Keep as is** (default): Maintains current values without changes |
| 8 | +2. **Edit**: Allows modification of the field value |
| 9 | +3. **Clear**: Unsets the value for all items (only available for optional fields) |
| 10 | + |
| 11 | +## Features |
| 12 | + |
| 13 | +- ✅ Three distinct editing modes with clear user feedback |
| 14 | +- ✅ Optional field support with Clear button |
| 15 | +- ✅ Undo changes functionality to revert to "Keep as is" state |
| 16 | +- ✅ Proper TypeScript types and documentation |
| 17 | +- ✅ Internationalization support (21 languages) |
| 18 | +- ✅ React Compiler optimization with `'use memo'` directive |
| 19 | +- ✅ Comprehensive unit tests |
| 20 | +- ✅ Detailed Storybook stories |
| 21 | + |
| 22 | +## Usage |
| 23 | + |
| 24 | +### Basic Example |
| 25 | + |
| 26 | +```tsx |
| 27 | +import BulkEditFormItem from './components/BulkEditFormItem'; |
| 28 | +import { Form, Input } from 'antd'; |
| 29 | + |
| 30 | +<Form> |
| 31 | + <BulkEditFormItem name="username" label="Username"> |
| 32 | + <Input placeholder="Enter username" /> |
| 33 | + </BulkEditFormItem> |
| 34 | +</Form> |
| 35 | +``` |
| 36 | + |
| 37 | +### Optional Field Example |
| 38 | + |
| 39 | +```tsx |
| 40 | +<BulkEditFormItem name="domain_name" label="Domain" optional> |
| 41 | + <BAISelect |
| 42 | + options={[ |
| 43 | + { value: 'default', label: 'Default' }, |
| 44 | + { value: 'custom', label: 'Custom' }, |
| 45 | + ]} |
| 46 | + /> |
| 47 | +</BulkEditFormItem> |
| 48 | +``` |
| 49 | + |
| 50 | +### Multiple Fields Example |
| 51 | + |
| 52 | +```tsx |
| 53 | +<Form> |
| 54 | + <BulkEditFormItem name="domain" label="Domain" optional> |
| 55 | + <BAISelect options={domainOptions} /> |
| 56 | + </BulkEditFormItem> |
| 57 | + |
| 58 | + <BulkEditFormItem name="status" label="Status"> |
| 59 | + <BAISelect options={statusOptions} /> |
| 60 | + </BulkEditFormItem> |
| 61 | + |
| 62 | + <BulkEditFormItem name="notes" label="Notes" optional> |
| 63 | + <Input.TextArea rows={3} /> |
| 64 | + </BulkEditFormItem> |
| 65 | +</Form> |
| 66 | +``` |
| 67 | + |
| 68 | +## Props |
| 69 | + |
| 70 | +| Name | Type | Default | Description | |
| 71 | +|------|------|---------|-------------| |
| 72 | +| `optional` | `boolean` | `false` | Whether this field can be cleared (shows Clear button in "Keep as is" mode) | |
| 73 | +| `children` | `ReactElement` | - | Input component to render (typically Select, Input, InputNumber, etc.) | |
| 74 | +| `...formItemProps` | `FormItemProps` | - | All Ant Design Form.Item props (name, label, rules, tooltip, etc.) | |
| 75 | + |
| 76 | +## Modes |
| 77 | + |
| 78 | +### Keep as is (Default) |
| 79 | + |
| 80 | +- Input is disabled |
| 81 | +- Field value is set to `undefined` (not included in form submission) |
| 82 | +- Shows "Keep as is" text |
| 83 | +- Displays Edit and Clear (if optional) buttons |
| 84 | + |
| 85 | +### Edit Mode |
| 86 | + |
| 87 | +- Input is enabled |
| 88 | +- User can modify the field value |
| 89 | +- Shows "Undo changes" button to revert to "Keep as is" |
| 90 | + |
| 91 | +### Clear Mode |
| 92 | + |
| 93 | +- Only available for optional fields |
| 94 | +- Field value is set to `null` (explicitly clears the value) |
| 95 | +- Shows "Undo changes" button to revert to "Keep as is" |
| 96 | + |
| 97 | +## Implementation Details |
| 98 | + |
| 99 | +### State Management |
| 100 | + |
| 101 | +The component uses React's `useState` to manage the current mode: |
| 102 | + |
| 103 | +```typescript |
| 104 | +type BulkEditMode = 'keep' | 'edit' | 'clear'; |
| 105 | +const [mode, setMode] = useState<BulkEditMode>('keep'); |
| 106 | +``` |
| 107 | + |
| 108 | +### Form Integration |
| 109 | + |
| 110 | +- Uses Ant Design's `Form.useFormInstance()` to access form methods |
| 111 | +- Automatically resets to "Keep as is" when form is reset |
| 112 | +- Properly handles field value updates |
| 113 | + |
| 114 | +### Children Props |
| 115 | + |
| 116 | +The component clones the children element and adds/overrides props: |
| 117 | + |
| 118 | +- In "Keep as is" mode: `disabled: true`, `value: undefined` |
| 119 | +- In other modes: children render with their original props |
| 120 | + |
| 121 | +## Testing |
| 122 | + |
| 123 | +### Unit Tests |
| 124 | + |
| 125 | +Run unit tests with: |
| 126 | + |
| 127 | +```bash |
| 128 | +pnpm test BulkEditFormItem.test.tsx |
| 129 | +``` |
| 130 | + |
| 131 | +The test suite covers: |
| 132 | +- Default rendering in "keep" mode |
| 133 | +- Clear button visibility for optional fields |
| 134 | +- Mode switching (Edit, Clear, Undo) |
| 135 | +- Input disable/enable behavior |
| 136 | + |
| 137 | +### Storybook |
| 138 | + |
| 139 | +View the component in Storybook: |
| 140 | + |
| 141 | +```bash |
| 142 | +cd packages/backend.ai-ui |
| 143 | +pnpm run storybook |
| 144 | +``` |
| 145 | + |
| 146 | +Navigate to: **Components > BulkEditFormItem** |
| 147 | + |
| 148 | +## Internationalization |
| 149 | + |
| 150 | +The component uses the following i18n keys: |
| 151 | + |
| 152 | +| Key | English | Korean | Japanese | Chinese (Simplified) | |
| 153 | +|-----|---------|--------|----------|---------------------| |
| 154 | +| `bulkEdit.Clear` | Clear | 지우기 | クリア | 清除 | |
| 155 | +| `bulkEdit.Edit` | Edit | 편집 | 編集 | 编辑 | |
| 156 | +| `bulkEdit.KeepAsIs` | Keep as is | 그대로 유지 | そのまま維持 | 保持原样 | |
| 157 | +| `bulkEdit.UndoChanges` | Undo changes | 변경 취소 | 変更を元に戻す | 撤销更改 | |
| 158 | + |
| 159 | +Translations are available for all 21 supported languages. |
| 160 | + |
| 161 | +## Related Files |
| 162 | + |
| 163 | +- **Component**: `/react/src/components/BulkEditFormItem.tsx` |
| 164 | +- **Tests**: `/react/src/components/BulkEditFormItem.test.tsx` |
| 165 | +- **Stories**: `/react/src/components/BulkEditFormItem.stories.tsx` |
| 166 | +- **Usage Example**: `/react/src/components/UpdateUsersModal.tsx` |
| 167 | + |
| 168 | +## Related Issues |
| 169 | + |
| 170 | +- **JIRA**: FR-1966 |
| 171 | +- **GitHub Issue**: Custom Form.Item for bulk editing |
| 172 | + |
| 173 | +## Notes |
| 174 | + |
| 175 | +- The component is optimized with React Compiler's `'use memo'` directive |
| 176 | +- It follows the existing patterns from `FormItemControl.tsx` and `FormItemWithUnlimited.tsx` |
| 177 | +- The component was created to replace the TODO comment in `UpdateUsersModal.tsx` |
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