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| 1 | +# Visual Preview of Help System |
| 2 | + |
| 3 | +## Main Application with Help Button |
| 4 | + |
| 5 | +``` |
| 6 | +┌─────────────────────────────────────────────────────┐ |
| 7 | +│ Flutter-EasyFlow ❓ │ |
| 8 | +├─────────────────────────────────────────────────────┤ |
| 9 | +│ │ |
| 10 | +│ ┌─────────┐ ┌─────────┐ ┌─────────┐ │ |
| 11 | +│ │ 开始 │────▶│ 处理 │────▶│ 结束 │ │ |
| 12 | +│ │ (椭圆) │ │ (矩形) │ │ (椭圆) │ │ |
| 13 | +│ └─────────┘ └─────────┘ └─────────┘ │ |
| 14 | +│ │ |
| 15 | +│ JSON Editor Panel │ |
| 16 | +│ ┌─────────────────────────────────┐ │ |
| 17 | +│ │ { │ │ |
| 18 | +│ │ "elements": [ │ │ |
| 19 | +│ │ { │ │ |
| 20 | +│ │ "id": "start", │ │ |
| 21 | +│ │ "type": "oval", │ │ |
| 22 | +│ │ "text": "开始" │ │ |
| 23 | +│ │ } │ │ |
| 24 | +│ │ ] │ │ |
| 25 | +│ │ } │ │ |
| 26 | +│ └─────────────────────────────────┘ │ |
| 27 | +└─────────────────────────────────────────────────────┘ |
| 28 | +``` |
| 29 | + |
| 30 | +## Help Widget Interface |
| 31 | + |
| 32 | +When user clicks the ❓ button: |
| 33 | + |
| 34 | +``` |
| 35 | +┌─────────────────────────────────────────────────────┐ |
| 36 | +│ ← 你可以做什么 - What Can You Do │ |
| 37 | +├─────────────────────────────────────────────────────┤ |
| 38 | +│ │ |
| 39 | +│ ┌───────────────────────────────────────────────────┐ │ |
| 40 | +│ │ ℹ️ Flutter-EasyFlow 功能介绍 │ │ |
| 41 | +│ │ │ │ |
| 42 | +│ │ Flutter-EasyFlow 是一个强大的流程图创建和管理工具, │ │ |
| 43 | +│ │ 让你能够轻松构建复杂的流程图和数据可视化图表。 │ │ |
| 44 | +│ │ │ │ |
| 45 | +│ │ [🎮 开始互动教程 - Start Interactive Tutorial] │ │ |
| 46 | +│ └───────────────────────────────────────────────────┘ │ |
| 47 | +│ │ |
| 48 | +│ ┌───────────────────────────────────────────────────┐ │ |
| 49 | +│ │ 🎯 核心功能 │ │ |
| 50 | +│ │ │ │ |
| 51 | +│ │ ➕ 节点管理 │ │ |
| 52 | +│ │ 添加、删除、编辑和拖拽各种类型的节点 │ │ |
| 53 | +│ │ │ │ |
| 54 | +│ │ 🔗 连接管理 │ │ |
| 55 | +│ │ 在节点间创建连接线,建立流程关系 │ │ |
| 56 | +│ │ │ │ |
| 57 | +│ │ 🔍 画布交互 │ │ |
| 58 | +│ │ 缩放、平移、点击画布进行各种操作 │ │ |
| 59 | +│ └───────────────────────────────────────────────────┘ │ |
| 60 | +│ │ |
| 61 | +│ ┌───────────────────────────────────────────────────┐ │ |
| 62 | +│ │ 📐 节点类型 │ │ |
| 63 | +│ │ │ │ |
| 64 | +│ │ ⬜ 矩形节点 - 标准流程步骤 │ │ |
| 65 | +│ │ ◇ 菱形节点 - 决策点 │ │ |
| 66 | +│ │ ⭕ 椭圆节点 - 开始和结束节点 │ │ |
| 67 | +│ │ ⬢ 六边形节点 - 特殊处理步骤 │ │ |
| 68 | +│ └───────────────────────────────────────────────────┘ │ |
| 69 | +│ │ |
| 70 | +│ [Scroll for more features...] │ |
| 71 | +└─────────────────────────────────────────────────────┘ |
| 72 | +``` |
| 73 | + |
| 74 | +## Feature Highlights |
| 75 | + |
| 76 | +### 🎯 Core Features Shown |
| 77 | +1. **Node Management** - Visual icons with descriptions |
| 78 | +2. **Connection Management** - Flow relationship building |
| 79 | +3. **Canvas Interaction** - Zoom, pan, click operations |
| 80 | +4. **Real-time Data** - JSON-based rendering |
| 81 | + |
| 82 | +### 📐 Node Types Illustrated |
| 83 | +- Rectangle (⬜) - Standard process steps |
| 84 | +- Diamond (◇) - Decision points |
| 85 | +- Oval (⭕) - Start/end terminals |
| 86 | +- Hexagon (⬢) - Special processing |
| 87 | +- Storage, Parallelogram, etc. |
| 88 | + |
| 89 | +### 🚀 Advanced Features |
| 90 | +- Group management with visual containers |
| 91 | +- JSON editor with tree/text modes |
| 92 | +- Theme customization options |
| 93 | +- Multi-platform support indicators |
| 94 | + |
| 95 | +### 🎮 Interactive Elements |
| 96 | +- "Start Tutorial" button (currently shows coming soon message) |
| 97 | +- Feature cards with expand/collapse capability |
| 98 | +- Quick start guide with numbered steps |
| 99 | +- FAQ section for common questions |
| 100 | + |
| 101 | +## Implementation Benefits |
| 102 | + |
| 103 | +✅ **Comprehensive Coverage**: Answers "What can you do" completely |
| 104 | +✅ **Bilingual Support**: Chinese and English content |
| 105 | +✅ **Visual Learning**: Icons and examples for each feature |
| 106 | +✅ **Easy Access**: Help button in main toolbar |
| 107 | +✅ **Expandable**: Framework for future tutorial overlays |
| 108 | +✅ **Documentation**: Linked to detailed guides (CAPABILITIES.md, FAQ.md, USAGE_EXAMPLES.md) |
| 109 | + |
| 110 | +This help system transforms the simple question "你可以做什么" into a complete onboarding and reference experience for users. |
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