trying to add File -> Open

Author: alexlib

pyptv/file_editor_demo.py

@@ -0,0 +1,26 @@
+from traits.api import HasTraits, File
+from traitsui.api import View, Item, FileEditor
+
+class FilteredFileBrowserExample(HasTraits):
+    """
+    An example showing how to filter for specific file types.
+    """
+    file_path = File()
+
+    view = View(
+        Item('file_path',
+             label="Select a YAML File",
+             editor=FileEditor(filter=['*.yaml','*.yml']),
+        ),
+        title="YAML File Browser",
+        buttons=['OK', 'Cancel'],
+        resizable=True
+    )
+
+if __name__ == '__main__':
+    filtered_browser_instance = FilteredFileBrowserExample()
+    filtered_browser_instance.configure_traits()
+    if filtered_browser_instance.file_path:
+        print(f"\nYou selected the Python file: {filtered_browser_instance.file_path}")
+    else:
+        print("\nNo file was selected.")

pyptv/pyptv_gui.py

@@ -41,6 +41,21 @@
 """
 ETSConfig.toolkit = "qt"
 
+class FilteredFileBrowserExample(HasTraits):
+    """
+    An example showing how to filter for specific file types.
+    """
+    file_path = File()
+
+    view = View(
+        Item('file_path',
+            label="Select a YAML File",
+            editor=FileEditor(filter=['*.yaml','*.yml']),
+        ),
+        title="YAML File Browser",
+        buttons=['OK', 'Cancel'],
+        resizable=True
+    )
 
 class Clicker(ImageInspectorTool):
     """
@@ -134,7 +149,7 @@ def attach_tools(self):
 
         pan = PanTool(self._plot, drag_button="middle")
         zoom_tool = ZoomTool(self._plot, tool_mode="box", always_on=False)
-        zoom_tool.max_zoom_out_factor = 1.0  # Disable "bird view" zoom out
+        # zoom_tool.max_zoom_out_factor = 1.0  # Disable "bird view" zoom out
         self._img_plot.overlays.append(zoom_tool)
         self._img_plot.tools.append(pan)
         # print(self._img_plot.tools)
@@ -437,31 +452,20 @@ def new_action(self, info):
         print("not implemented")
 
     def open_action(self, info):
-        from tkinter import filedialog
-        import tkinter as tk
-        
-        root = tk.Tk()
-        root.withdraw()
-        file_path = filedialog.askopenfilename(
-            title="Select YAML parameter file",
-            filetypes=[("YAML files", "*.yaml *.yml")]
-        )
-        if file_path:
-            try:
-                yaml_file = Path(file_path)
-                # Re-initialize MainGUI with the new YAML file
-                # Close the current GUI and open a new one
-                print(f"Opening new experiment from {yaml_file}")
-                # Save current working directory
-                cwd = Path.cwd()
-                os.chdir(yaml_file.parent)
-                new_gui = MainGUI(yaml_file)
-                new_gui.configure_traits()
-                os.chdir(cwd)
-            except Exception as e:
-                print(f"Failed to open YAML file: {e}")
-        else:
-            print("No YAML file selected.")
+
+        filtered_browser_instance = FilteredFileBrowserExample()
+        filtered_browser_instance.configure_traits()
+        if filtered_browser_instance.file_path:
+            print(f"\nYou selected the YAML file: {filtered_browser_instance.file_path}")
+            yaml_path = Path(filtered_browser_instance.file_path)
+            if yaml_path.is_file() and yaml_path.suffix in {".yaml", ".yml"}:
+                print(f"Initializing MainGUI with selected YAML: {yaml_path}")
+                os.chdir(yaml_path.parent)  # Change to the directory of the YAML file
+                main_gui = MainGUI(yaml_path)
+                main_gui.configure_traits()
+            else:
+                print("\nNo file was selected.")
+
 
     def exit_action(self, info):
         print("not implemented")