Fase 2: Template engine, DAO, editor visual, plantillas y motor de exportacion PDF/XLSX/DOCX

README.md

@@ -15,6 +15,8 @@ BudgetPro is a desktop application designed for managing company finances, budge
 - **Invoice Tracking**: Manage incoming and outgoing invoices
 - **Data Visualization**: Tree views for hierarchical financial data
 - **Custom Editors**: Specialized delegates for different data types (combobox, rich text, etc.)
+- **Template Editor**: Visual template designer for document export
+- **Document Export**: Export documents as PDF, XLSX, and DOCX with configurable templates
 
 ## Technical Stack
 
@@ -36,6 +38,15 @@ BudgetPro/
 ├── widget/                  # Custom widgets and delegates
 ├── utils/                   # Utility classes and helpers
 ├── data/                    # Data access layer (sqltable.h)
+├── templates/               # Document export templates (JSON)
+├── src/
+│   ├── dao/                 # Data Access Objects
+│   │   ├── templatedao.h/cpp    # Template CRUD operations
+│   │   └── templateengine.h/cpp # Export engine (PDF/XLSX/DOCX)
+│   └── gui/
+│       └── forms/
+│           ├── formtemplateeditor.h/cpp # Visual template editor
+│           └── formtemplatelist.h/cpp   # Template list manager
 └── resources/               # Qt resource file (icons, stylesheets, etc.)
 ```
 
@@ -80,6 +91,10 @@ BudgetPro includes several custom Qt components:
   - Item numbering in hierarchical views
   - Popup tables for complex selection
 - `TreeModel`: Custom model for tree-structured data
+- `TemplateEngine`: Document export engine supporting PDF, XLSX, DOCX
+- `TemplateDAO`: Data access for document templates
+- `formTemplateEditor`: Visual template designer
+- `formTemplateList`: Template list management
 - `AvatarWidget`: For displaying user/entity avatars
 
 ## Extending the Application