feat: Enhance export functionality with DataFrame support and UI improvements

src/export_window.py

@@ -5,6 +5,7 @@ Provides a GUI interface for exporting data and graphs to various formats.
 """
 
 import tkinter as tk
+from collections.abc import Callable
 from pathlib import Path
 from tkinter import filedialog, messagebox, ttk
 
@@ -14,9 +15,15 @@ from export_manager import ExportManager
 class ExportWindow:
     """Export window for data and graph export functionality."""
 
-    def __init__(self, parent: tk.Tk, export_manager: ExportManager) -> None:
+    def __init__(
+        self,
+        parent: tk.Tk,
+        export_manager: ExportManager,
+        get_current_filtered_df: Callable[[], object] | None = None,
+    ) -> None:
         self.parent = parent
         self.export_manager = export_manager
+        self._get_current_filtered_df = get_current_filtered_df
 
         # Create the export window
         self.window = tk.Toplevel(parent)
@@ -113,6 +120,21 @@ Medicines: {", ".join(export_info["medicines"])}"""
         )
         graph_check.pack(anchor=tk.W, pady=(0, 10))
 
+        # Export scope option
+        self.scope_var = tk.StringVar(value="all")
+        scope_frame = ttk.Frame(options_frame)
+        scope_frame.pack(fill=tk.X, pady=(0, 10))
+        ttk.Label(scope_frame, text="Scope:").pack(side=tk.LEFT)
+        ttk.Radiobutton(
+            scope_frame, text="All data", variable=self.scope_var, value="all"
+        ).pack(side=tk.LEFT, padx=10)
+        ttk.Radiobutton(
+            scope_frame,
+            text="Current (filtered) view",
+            variable=self.scope_var,
+            value="filtered",
+        ).pack(side=tk.LEFT)
+
         # Format selection
         format_label = ttk.Label(options_frame, text="Export Format:")
         format_label.pack(anchor=tk.W)
@@ -182,17 +204,27 @@ Medicines: {", ".join(export_info["medicines"])}"""
         if not filename:
             return
 
+        # Determine scope DataFrame (if requested and available)
+        scoped_df = None
+        if self.scope_var.get() == "filtered" and self._get_current_filtered_df:
+            try:
+                scoped_df = self._get_current_filtered_df()
+            except Exception:
+                scoped_df = None
+
         # Perform export based on selected format
         success = False
         try:
             if selected_format == "JSON":
-                success = self.export_manager.export_data_to_json(filename)
+                success = self.export_manager.export_data_to_json(
+                    filename, df=scoped_df
+                )
             elif selected_format == "XML":
-                success = self.export_manager.export_data_to_xml(filename)
+                success = self.export_manager.export_data_to_xml(filename, df=scoped_df)
             elif selected_format == "PDF":
                 include_graph = self.include_graph_var.get()
                 success = self.export_manager.export_to_pdf(
-                    filename, include_graph=include_graph
+                    filename, include_graph=include_graph, df=scoped_df
                 )
 
             if success: