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Add comprehensive multilingual UI system and bug fixes#1

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Add comprehensive multilingual UI system and bug fixes#1
buildsmart888 wants to merge 19 commits into
chihweisu:masterfrom
buildsmart888:master

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🌍 Added Comprehensive Multilingual System

  • Thai/English/Chinese language support with real-time switching
  • JSON-based translation system with comprehensive coverage
  • User preference persistence for language settings
  • Language manager with signal-based updates

🎯 Enhanced UI with Simple Placeholder System

  • Added placeholder text for all input fields (Mux, Muy, Vuy, Tu, Pu, etc.)
  • Simple UI helper system maintaining original design aesthetic
  • Comprehensive field coverage for beam design, column calculation, and T-beam
  • User-requested simple approach instead of complex styling

🐛 Critical Bug Fixes

  • Fixed QRect float type errors in drawing widgets
  • Fixed division by zero errors in beam calculations
  • Fixed stirrup type errors and display issues
  • Improved calculation reliability across all modules

📚 Comprehensive Documentation

  • 13 detailed documentation files covering all changes
  • Feature guides for language system and UI improvements
  • Bug fix documentation with technical details
  • User guides for new functionality

🔧 Technical Improvements

  • Clean code structure with proper error handling
  • Modular design for easy maintenance and extension
  • Backward compatibility maintained
  • Performance optimizations in calculation modules

✅ Testing Status

  • All modules tested and working
  • Language switching verified across all UI components
  • Calculation accuracy confirmed after bug fixes
  • UI responsiveness maintained on different screen sizes

📋 Files Changed

  • 62 files modified/added with 2,931 insertions, 270 deletions
  • New language system files: language_manager.py, translations_*.json
  • Enhanced UI files: All ui_*.py and widget_*.py files updated
  • Bug fixes applied: beam_function.py, column_function.py, calculation modules

This update significantly improves the user experience while maintaining the simple, functional design approach specifically requested by the user.

…ai/English/Chinese language system - Add placeholder text for all input fields - Fix QRect float errors and calculation bugs - Maintain simple design while adding essential features
…ittest-assertions

Add unittest language tests
…nt-calculation-in-math2

Fix math2 zero discriminant case
…structions-in-readme

Fix PyQt5 installation command in README
Added new markdown documentation files summarizing final improvements, GUI comparison, comprehensive features, and project summary. Introduced improved GUI Python scripts, test scripts, requirements, and batch file for running the demo. Updated user_settings.ini. These changes provide a modernized, feature-rich, and well-documented GUI for the RC Beam Calculator project.
Added .vscode/settings.json for VS Code configuration, a detailed 'Layout Improvement.txt' outlining UI/UX enhancement strategies, and a placeholder 'input_validation.py' for future input validation logic.
- Implemented a language testing script to validate translations in Thai, English, and Chinese.
- Created a translation helper script to manage adding and listing missing translations.
- Added translation files for English, Thai, and Chinese with comprehensive keys for the application.
- Enhanced UI styling for labels, input fields, and buttons to improve visibility and responsiveness.
- Introduced a user settings file to store the default language preference.
- สร้างสคริปต์ fix_phi.py เพื่อเปลี่ยน results['?'] เป็น results['phi'] ใน demo_improved_gui.py
- สร้างสคริปต์ test_buttons_fix.py เพื่อทดสอบการแก้ไขปุ่ม GUI และแสดงผลการปรับขนาดและ layout
- สร้างสคริปต์ test_program.py เพื่อทดสอบการ import โปรแกรมและตรวจสอบ attributes ที่มีปัญหา
- สร้างสคริปต์ test_title_fix.py เพื่อทดสอบการแก้ไข Title Bar และขยายส่วนกรอกข้อมูล
…d readability; adjust UI proportions for improved layout in RC Beam Calculator.
Added detailed test documentation (TEST_DOCUMENTATION.md), a unified test runner (run_all_tests.py), and comprehensive test modules for core calculations, GUI, integration, and edge cases. Updated beam_function.py to return ('none', 'none') for invalid rebar input, improving error handling. These changes enhance test coverage, reliability, and maintainability of the RC Beam Calculator project.
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