Only refresh data type checkbox on select datatype change.

datashuttle/tui/tabs/create_folders.py

@@ -94,9 +94,8 @@ def compose(self) -> ComposeResult:
         )
         yield Label("Datatype(s)", id="create_folders_datatype_label")
         yield Container(
-            DatatypeCheckboxes(
-                self.interface, id="create_folders_datatype_checkboxes"
-            )
+            self.get_datatype_checkboxes_widget(),
+            id="create_folders_datatype_container",  #
         )
         yield Horizontal(
             Button(
@@ -157,9 +156,17 @@ def on_button_pressed(self, event: Button.Pressed) -> None:
             )
 
     async def refresh_after_datatypes_changed(self, ignore) -> None:
-        """Redisplay the datatype checkboxes."""
-        await self.recompose()
-        self.on_mount()
+        """Redisplay the datatype checkboxes.
+
+        The widget must be completely removed and reinitialised.
+        """
+        container = self.query_one("#create_folders_datatype_container")
+
+        await container.query_one(
+            "#create_folders_datatype_checkboxes"
+        ).remove()
+
+        await container.mount(self.get_datatype_checkboxes_widget())
 
     @require_double_click
     def on_clickable_input_clicked(
@@ -534,3 +541,9 @@ def run_local_validation(self, prefix: Prefix) -> tuple[bool, str]:
     def update_directorytree_root(self, new_root_path: Path) -> None:
         """Refresh the tree through the reactive attribute `path`."""
         self.query_one("#create_folders_directorytree").path = new_root_path
+
+    def get_datatype_checkboxes_widget(self):
+        """Create the datatype checkboxes, centralised as used in multiple places."""
+        return DatatypeCheckboxes(
+            self.interface, id="create_folders_datatype_checkboxes"
+        )

datashuttle/tui/tabs/transfer.py

@@ -141,15 +141,8 @@ def compose(self) -> ComposeResult:
             ),
             # These are almost identical to create tab
             Label("Datatype(s)", id="transfer_datatype_label"),
-            DatatypeCheckboxes(
-                self.interface,
-                create_or_transfer="transfer",
-                id="transfer_custom_datatype_checkboxes",
-            ),
-            Button(
-                "Displayed Datatypes",
-                id="transfer_tab_displayed_datatypes_button",
-            ),
+            self.get_datatypes_checkboxes_widget(),
+            self.get_displayed_datatypes_button(),
         ]
 
         yield TransferStatusTree(
@@ -325,11 +318,28 @@ def on_button_pressed(self, event: Button.Pressed) -> None:
             )
 
     async def refresh_after_datatype_changed(self, ignore):
-        """Refresh Checkboxes after the shown datatypes have changed."""
-        await self.recompose()
-        self.on_mount()
-        self.query_one("#transfer_custom_radiobutton").value = True
-        self.switch_transfer_widgets_display()
+        """Refresh Checkboxes after the shown datatypes have changed.
+
+        The widget must be completely removed and reinitialised.
+        This means the button underneath it must also be removed and
+        re-added, or it ends up above the datatype checkbox widget.
+        """
+        container = self.query_one("#transfer_params_container")
+        await container.query_one(
+            "#transfer_custom_datatype_checkboxes"
+        ).remove()
+        await container.query_one(
+            "#transfer_tab_displayed_datatypes_button"
+        ).remove()
+
+        (
+            Button(
+                "Displayed Datatypes",
+                id="transfer_tab_displayed_datatypes_button",
+            ),
+        )
+        await container.mount(self.get_datatypes_checkboxes_widget())
+        await container.mount(self.get_displayed_datatypes_button())
 
     def on_custom_directory_tree_directory_tree_special_key_press(
         self, event: CustomDirectoryTree.DirectoryTreeSpecialKeyPress
@@ -411,3 +421,18 @@ def transfer_data(self) -> Worker[InterfaceOutput]:
         self.app.call_from_thread(self.reload_directorytree)
 
         return success, output
+
+    def get_datatypes_checkboxes_widget(self):
+        """Create the datatype checkboxes, centralised as used in multiple places."""
+        return DatatypeCheckboxes(
+            self.interface,
+            create_or_transfer="transfer",
+            id="transfer_custom_datatype_checkboxes",
+        )
+
+    def get_displayed_datatypes_button(self):
+        """Create the datatype button, centralised as used in multiple places."""
+        return Button(
+            "Displayed Datatypes",
+            id="transfer_tab_displayed_datatypes_button",
+        )

tests/tests_tui/test_tui_datatypes.py

@@ -24,6 +24,8 @@ async def test_select_displayed_datatypes_create(
                 pilot, project_name
             )
 
+            self.fill_input(pilot, "#create_folders_subject_input", "sub-001")
+
             # Open the datatypes screen
             await self.scroll_to_click_pause(
                 pilot,
@@ -124,6 +126,14 @@ async def test_select_displayed_datatypes_create(
                     is False
                 )
 
+            # Check that input information is not deleted on refresh
+            assert (
+                pilot.app.screen.query_one(
+                    "#create_folders_subject_input"
+                ).value
+                == "sub-001"
+            )
+
             # Confirm also that narrow datatypes are not shown.
             with pytest.raises(BaseException):
                 pilot.app.screen.query_one(
@@ -148,6 +158,7 @@ async def test_select_displayed_datatypes_transfer(
             await self.scroll_to_click_pause(
                 pilot, "#transfer_custom_radiobutton"
             )
+            await self.fill_input(pilot, "#transfer_subject_input", "sub-001")
             await self.scroll_to_click_pause(
                 pilot,
                 "#transfer_tab_displayed_datatypes_button",
@@ -159,6 +170,7 @@ async def test_select_displayed_datatypes_transfer(
             pilot.app.screen.query_one(
                 "#displayed_datatypes_selection_list"
             ).toggle_all()
+
             await self.scroll_to_click_pause(
                 pilot, "#displayed_datatypes_save_button"
             )
@@ -174,6 +186,12 @@ async def test_select_displayed_datatypes_transfer(
                     is False
                 )
 
+            # Check that input information is not deleted on refresh
+            assert (
+                pilot.app.screen.query_one("#transfer_subject_input").value
+                == "sub-001"
+            )
+
             # Turn on a single checkbox and run a transfer, checking that
             # the underlying function is called correctly (monkeypatch)
             await self.scroll_to_click_pause(