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| 1 | +"""Program configuration manager for custom program names. |
| 2 | +
|
| 3 | +This module handles loading, saving, and managing custom program names |
| 4 | +used in the DBS clinical programming interface. |
| 5 | +""" |
| 6 | + |
| 7 | +import json |
| 8 | +import sys |
| 9 | +from pathlib import Path |
| 10 | + |
| 11 | + |
| 12 | +class ProgramConfigManager: |
| 13 | + """Manages program name configuration with persistence.""" |
| 14 | + |
| 15 | + DEFAULT_PROGRAMS = ["None", "A", "B", "C", "D"] |
| 16 | + CONFIG_FILENAME = "program_names.json" |
| 17 | + |
| 18 | + def __init__(self, config_dir: str | None = None): |
| 19 | + """Initialize the program config manager. |
| 20 | +
|
| 21 | + Args: |
| 22 | + config_dir: Directory for config files. If None, uses logs in app installation directory. |
| 23 | + """ |
| 24 | + if config_dir is None: |
| 25 | + # Default to logs folder in the application installation directory |
| 26 | + # For deployed app: C:\Program Files\BML\Clinical DBS Annotator\logs |
| 27 | + # For development: uses the source directory |
| 28 | + if getattr(sys, 'frozen', False): |
| 29 | + # Running as deployed executable (PyInstaller/Nuitka) |
| 30 | + app_root = Path(sys.executable).parent |
| 31 | + else: |
| 32 | + # Running in development mode |
| 33 | + app_root = Path(__file__).parent.parent.parent |
| 34 | + self.config_dir = app_root / "logs" |
| 35 | + else: |
| 36 | + self.config_dir = Path(config_dir) |
| 37 | + |
| 38 | + self.config_file = self.config_dir / self.CONFIG_FILENAME |
| 39 | + self._custom_programs: list[str] = [] |
| 40 | + |
| 41 | + # Ensure config directory exists |
| 42 | + self.config_dir.mkdir(parents=True, exist_ok=True) |
| 43 | + |
| 44 | + # Load existing custom programs |
| 45 | + self._load_custom_programs() |
| 46 | + |
| 47 | + def _load_custom_programs(self) -> None: |
| 48 | + """Load custom program names from config file.""" |
| 49 | + if self.config_file.exists(): |
| 50 | + try: |
| 51 | + with open(self.config_file, encoding="utf-8") as f: |
| 52 | + data = json.load(f) |
| 53 | + self._custom_programs = data.get("custom_programs", []) |
| 54 | + except (OSError, json.JSONDecodeError): |
| 55 | + self._custom_programs = [] |
| 56 | + else: |
| 57 | + self._custom_programs = [] |
| 58 | + |
| 59 | + def save_custom_programs(self, programs: list[str]) -> None: |
| 60 | + """Save custom program names to config file. |
| 61 | +
|
| 62 | + Args: |
| 63 | + programs: List of custom program names to save. |
| 64 | + """ |
| 65 | + self._custom_programs = programs |
| 66 | + data = {"custom_programs": programs} |
| 67 | + try: |
| 68 | + with open(self.config_file, "w", encoding="utf-8") as f: |
| 69 | + json.dump(data, f, indent=2, ensure_ascii=False) |
| 70 | + except OSError: |
| 71 | + pass |
| 72 | + |
| 73 | + def get_all_programs(self) -> list[str]: |
| 74 | + """Get all available programs (default + custom). |
| 75 | +
|
| 76 | + Returns: |
| 77 | + List of program names. |
| 78 | + """ |
| 79 | + return self.DEFAULT_PROGRAMS + self._custom_programs |
| 80 | + |
| 81 | + def get_custom_programs(self) -> list[str]: |
| 82 | + """Get only custom program names. |
| 83 | +
|
| 84 | + Returns: |
| 85 | + List of custom program names. |
| 86 | + """ |
| 87 | + return self._custom_programs.copy() |
| 88 | + |
| 89 | + def add_program(self, program_name: str) -> bool: |
| 90 | + """Add a new custom program name. |
| 91 | +
|
| 92 | + Args: |
| 93 | + program_name: Name of the program to add. |
| 94 | +
|
| 95 | + Returns: |
| 96 | + True if added, False if already exists or invalid. |
| 97 | + """ |
| 98 | + if not program_name or program_name in self.DEFAULT_PROGRAMS or program_name in self._custom_programs: |
| 99 | + return False |
| 100 | + |
| 101 | + self._custom_programs.append(program_name) |
| 102 | + self.save_custom_programs(self._custom_programs) |
| 103 | + return True |
| 104 | + |
| 105 | + def remove_program(self, program_name: str) -> bool: |
| 106 | + """Remove a custom program name. |
| 107 | +
|
| 108 | + Args: |
| 109 | + program_name: Name of the program to remove. |
| 110 | +
|
| 111 | + Returns: |
| 112 | + True if removed, False if not found or is a default program. |
| 113 | + """ |
| 114 | + if program_name in self.DEFAULT_PROGRAMS: |
| 115 | + return False |
| 116 | + |
| 117 | + if program_name in self._custom_programs: |
| 118 | + self._custom_programs.remove(program_name) |
| 119 | + self.save_custom_programs(self._custom_programs) |
| 120 | + return True |
| 121 | + return False |
| 122 | + |
| 123 | + def update_program(self, old_name: str, new_name: str) -> bool: |
| 124 | + """Update an existing custom program name. |
| 125 | +
|
| 126 | + Args: |
| 127 | + old_name: Current name of the program. |
| 128 | + new_name: New name for the program. |
| 129 | +
|
| 130 | + Returns: |
| 131 | + True if updated, False if old_name not found or new_name invalid. |
| 132 | + """ |
| 133 | + if old_name in self.DEFAULT_PROGRAMS: |
| 134 | + return False |
| 135 | + |
| 136 | + if not new_name or new_name in self.DEFAULT_PROGRAMS or new_name in self._custom_programs: |
| 137 | + return False |
| 138 | + |
| 139 | + if old_name in self._custom_programs: |
| 140 | + idx = self._custom_programs.index(old_name) |
| 141 | + self._custom_programs[idx] = new_name |
| 142 | + self.save_custom_programs(self._custom_programs) |
| 143 | + return True |
| 144 | + return False |
| 145 | + |
| 146 | + |
| 147 | +# Singleton instance |
| 148 | +_instance: ProgramConfigManager | None = None |
| 149 | + |
| 150 | + |
| 151 | +def get_program_config_manager() -> ProgramConfigManager: |
| 152 | + """Get the singleton ProgramConfigManager instance. |
| 153 | +
|
| 154 | + Returns: |
| 155 | + The singleton instance. |
| 156 | + """ |
| 157 | + global _instance |
| 158 | + if _instance is None: |
| 159 | + _instance = ProgramConfigManager() |
| 160 | + return _instance |
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