Merge branch 'main' of https://github.com/PCL-Community/PCL2-Python

Author: CreeperIsASpy

Plain_Craft_Launcher_2/FormMain_ui.py

@@ -12,6 +12,7 @@
 from Controls.MyIconTextButton import MyIconTextButton
 from Modules.Base.ModSetup import ModSetup as Setup
 from Pages.PageLaunch.PageLaunch import PageLaunch
+from Modules.Base.ModPage import ModPage as Page
 
 
 class Ui_FormMain(object):
@@ -22,6 +23,7 @@ def setupUi(self, FormMain: QtWidgets.QWidget):
         corner_radius = setup.get_settings('corner_radius')
         bg_color = setup.get_settings('ColorBrush5')
         fg_color = setup.get_settings('ColorBrush2')
+        self.page_manager = Page()
 
         FormMain.setObjectName("FormMain")
         FormMain.resize(*size)
@@ -76,7 +78,7 @@ def setupUi(self, FormMain: QtWidgets.QWidget):
 
         # 标题栏按钮 -- 切换到下载页面
         self.BtnPageLaunch = MyIconTextButton(self.PanTitle, svg_path="Images/BtnTitlePageLaunch.svg",
-                                              text="Launch")
+                                              text="Launch", command=lambda: self.page_manager.switch_page(self.ui.PanMain, "Launch"))
         self.BtnPageLaunch.setGeometry(QtCore.QRect(500, 8, 0, 0))                                
         self.BtnPageLaunch.setObjectName("BtnPageDownload")
 

Plain_Craft_Launcher_2/Modules/Base/ModPage.py

@@ -1 +1,84 @@
-pass
+# -*- coding: utf-8 -*-
+from PyQt5.QtWidgets import QWidget, QFrame
+import importlib
+import sys
+
+from Modules.Base.ModLogging import ModLogging, LoggingType as LT
+from Modules.Base.ModSetup import ModSetup as Setup
+
+class ModPage:
+    """页面管理模块，负责页面切换逻辑"""
+    
+    _instance = None
+    
+    def __new__(cls):
+        """单例模式"""
+        if cls._instance is None:
+            cls._instance = super(ModPage, cls).__new__(cls)
+            cls._instance._initialized = False
+        return cls._instance
+    
+    def __init__(self):
+        if self._initialized:
+            return
+        
+        self.logger = ModLogging(module_name="ModPage")
+        self.current_page = None
+        self._initialized = True
+        
+    def switch_page(self, pan_main: QFrame, page_name: str) -> bool:
+        """切换页面
+        
+        Args:
+            pan_main: 主面板，用于放置页面
+            page_name: 页面名称，如 "Launch"
+            
+        Returns:
+            bool: 切换是否成功
+        """
+        # 如果页面相同，不做任何事情
+        if self.current_page == page_name:
+            self.logger.write(f"页面 {page_name} 已经是当前页面，无需切换", LT.INFO)
+            return True
+        
+        # 记录新页面名称
+        self.logger.write(f"正在切换到页面: {page_name}", LT.INFO)
+        
+        # 删除 PanMain 中的所有子组件
+        for child in pan_main.findChildren(QWidget):
+            child.setParent(None)
+            child.deleteLater()
+        
+        # 根据传入的页面名称，实例化对应的页面
+        try:
+            # 构建页面类的完整路径
+            page_class_name = f"Page{page_name}"
+            page_module_path = f"Pages.Page{page_name}.{page_class_name}"
+            
+            # 动态导入模块
+            try:
+                page_module = importlib.import_module(page_module_path)
+                page_class = getattr(page_module, page_class_name)
+            except (ImportError, AttributeError) as e:
+                self.logger.write(f"无法导入页面模块 {page_module_path}: {e}", LT.ERROR)
+                return False
+            
+            # 实例化页面
+            page_instance = page_class(pan_main)
+            
+            # 设置页面大小
+            page_instance.setGeometry(0, 0, pan_main.width(), pan_main.height())
+            
+            # 确保页面在最上层
+            page_instance.raise_()
+            
+            # 更新当前页面名称
+            self.current_page = page_name
+            
+            self.logger.write(f"成功切换到页面: {page_name}", LT.INFO)
+            return True
+            
+        except Exception as e:
+            self.logger.write(f"切换到页面 {page_name} 时发生错误: {e}", LT.ERROR)
+            return False
+