界面优化

src/gui/panels/step6_5_panel.py

@@ -211,9 +211,52 @@ class Step6_5Panel(QWidget):
         if 'csv_path' in config:
             self.training_csv_file.set_path(config['csv_path'])
 
+    def update_from_config(self, work_dir=None, pipeline=None):
+        """从全局配置自动填充训练数据和输出路径
+
+        Args:
+            work_dir: 工作目录路径
+            pipeline: Pipeline 实例（未使用，保留接口兼容性）
+        """
+        if work_dir:
+            self.work_dir = work_dir
+        elif hasattr(self, 'work_dir') and self.work_dir:
+            pass
+        else:
+            self.work_dir = None
+
+        # 1. 尝试从 Step5 界面读取训练光谱 CSV 路径
+        main_window = self.window()
+        if main_window and hasattr(main_window, 'step5_panel'):
+            step5_output_path = main_window.step5_panel.output_file.get_path()
+            if step5_output_path:
+                existing = self.training_csv_file.get_path()
+                if not existing or not existing.strip():
+                    self.training_csv_file.set_path(step5_output_path)
+
+        # 2. 自动填充输出目录（8_Regression_Modeling）
+        if self.work_dir:
+            output_dir = os.path.join(self.work_dir, "8_Regression_Modeling")
+            os.makedirs(output_dir, exist_ok=True)
+            existing_out = self.output_dir.get_path()
+            if not existing_out or not existing_out.strip():
+                self.output_dir.set_path(output_dir)
+
+    def _get_default_work_dir(self):
+        """获取 work_dir，优先用 panel 自身缓存的，否则尝试从主窗口取"""
+        if hasattr(self, 'work_dir') and self.work_dir:
+            return str(self.work_dir)
+        mw = self.window()
+        if mw and hasattr(mw, 'work_dir') and mw.work_dir:
+            return str(mw.work_dir)
+        return ""
+
     def browse_output_dir(self):
         """浏览输出目录"""
-        dir_path = QFileDialog.getExistingDirectory(self, "选择输出模型目录", "")
+        default = self._get_default_work_dir()
+        if default:
+            default = os.path.join(default, "8_Regression_Modeling")
+        dir_path = QFileDialog.getExistingDirectory(self, "选择输出模型目录", default)
         if dir_path:
             self.output_dir.set_path(dir_path)