197 lines
5.4 KiB
Python
197 lines
5.4 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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图标管理器
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统一管理应用程序中使用的所有图标
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"""
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import os
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from PyQt5.QtGui import QIcon, QPixmap
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from PyQt5.QtCore import QSize
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class IconManager:
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"""图标管理器"""
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# 图标目录路径
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ICONS_DIR = "Resources/Icons"
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# 图标文件映射
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ICON_FILES = {
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# 应用程序图标
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'app': 'app_icon.png',
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'logo': 'logo.png',
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# 操作图标
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'create': 'create.png',
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'import': 'import.png',
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'folder': 'folder.png',
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'delete': 'delete.png',
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'Refresh': 'Refresh.png',
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# 视图图标
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'grid_view': 'grid_view.png',
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'list_view': 'list_view.png',
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# 导航图标
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'overview': 'overview.png',
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'management': 'management.png',
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'resource_category': 'category.png',
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'resource_management': 'resource.png',
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'project_settings': 'settings.png',
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'system_settings': 'system.png',
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# 树箭头
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'down': 'down.png',
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'right': 'right.png',
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}
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# 图标缓存
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_icon_cache = {}
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@classmethod
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def get_icon(cls, icon_name: str, size: QSize = None) -> QIcon:
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"""
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获取图标
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Args:
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icon_name (str): 图标名称
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size (QSize, optional): 图标尺寸
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Returns:
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QIcon: 图标对象，如果文件不存在则返回空图标
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"""
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# 检查缓存
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cache_key = f"{icon_name}_{size.width() if size else 'default'}_{size.height() if size else 'default'}"
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if cache_key in cls._icon_cache:
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return cls._icon_cache[cache_key]
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# 获取图标文件路径
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icon_path = cls.get_icon_path(icon_name)
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if not icon_path or not os.path.exists(icon_path):
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# 如果图标文件不存在，返回空图标
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icon = QIcon()
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else:
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# 创建图标
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if size:
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pixmap = QPixmap(icon_path).scaled(size, aspectRatioMode=1, transformMode=1)
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icon = QIcon(pixmap)
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else:
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icon = QIcon(icon_path)
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# 缓存图标
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cls._icon_cache[cache_key] = icon
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return icon
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@classmethod
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def get_icon_path(cls, icon_name: str) -> str:
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"""
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获取图标文件路径
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Args:
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icon_name (str): 图标名称
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Returns:
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str: 图标文件的完整路径，如果不存在则返回空字符串
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"""
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if icon_name not in cls.ICON_FILES:
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return ""
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icon_file = cls.ICON_FILES[icon_name]
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icon_path = os.path.join(cls.ICONS_DIR, icon_file)
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return icon_path
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@classmethod
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def get_pixmap(cls, icon_name: str, size: QSize = None) -> QPixmap:
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"""
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获取图标的 QPixmap 对象
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Args:
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icon_name (str): 图标名称
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size (QSize, optional): 图标尺寸
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Returns:
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QPixmap: 图标的 QPixmap 对象
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"""
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icon_path = cls.get_icon_path(icon_name)
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if not icon_path or not os.path.exists(icon_path):
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return QPixmap()
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pixmap = QPixmap(icon_path)
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if size:
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pixmap = pixmap.scaled(size, aspectRatioMode=1, transformMode=1)
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return pixmap
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@classmethod
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def icon_exists(cls, icon_name: str) -> bool:
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"""
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检查图标是否存在
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Args:
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icon_name (str): 图标名称
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Returns:
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bool: 图标文件是否存在
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"""
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icon_path = cls.get_icon_path(icon_name)
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return icon_path and os.path.exists(icon_path)
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@classmethod
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def get_project_type_icon(cls, project_type: str) -> QIcon:
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"""
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根据项目类型获取对应图标
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Args:
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project_type (str): 项目类型
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Returns:
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QIcon: 项目类型对应的图标
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"""
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icon_name = f"project_{project_type}"
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if icon_name in cls.ICON_FILES:
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return cls.get_icon(icon_name)
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else:
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# 如果没有对应的项目类型图标，返回默认项目图标
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return cls.get_icon('project_empty')
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@classmethod
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def clear_cache(cls):
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"""清空图标缓存"""
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cls._icon_cache.clear()
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@classmethod
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def ensure_icons_directory(cls):
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"""确保图标目录存在"""
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if not os.path.exists(cls.ICONS_DIR):
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os.makedirs(cls.ICONS_DIR, exist_ok=True)
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@classmethod
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def get_available_icons(cls) -> list:
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"""
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获取所有可用的图标列表
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Returns:
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list: 可用图标名称列表
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"""
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available_icons = []
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for icon_name in cls.ICON_FILES:
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if cls.icon_exists(icon_name):
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available_icons.append(icon_name)
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return available_icons
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@classmethod
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def get_missing_icons(cls) -> list:
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"""
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获取缺失的图标列表
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Returns:
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list: 缺失图标名称列表
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"""
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missing_icons = []
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for icon_name in cls.ICON_FILES:
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if not cls.icon_exists(icon_name):
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missing_icons.append(icon_name)
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return missing_icons |