add new hook: add_cards_did_change_deck (#1420)

* add new hook which will be executed after the user selects a new different deck when adding cards.

* Update qt/aqt/deckchooser.py

CONTRIBUTORS

@@ -87,6 +87,7 @@ Alexander Giorev <alex.giorev@gmail.com>
 Ren Tatsumoto <tatsu@autistici.org>
 lolilolicon <lolilolicon@gmail.com>
 Gesa Stupperich <gesa.stupperich@gmail.com>
+git9527 <github.com/git9527>
 
 ********************
 

qt/aqt/addcards.py

@@ -74,7 +74,10 @@ class AddCards(QDialog):
             on_notetype_changed=self.on_notetype_change,
         )
         self.deck_chooser = DeckChooser(
-            self.mw, self.form.deckArea, starting_deck_id=DeckId(defaults.deck_id)
+            self.mw,
+            self.form.deckArea,
+            starting_deck_id=DeckId(defaults.deck_id),
+            on_deck_changed=self.on_deck_changed,
         )
 
     def helpRequested(self) -> None:
@@ -117,6 +120,9 @@ class AddCards(QDialog):
     def show_notetype_selector(self) -> None:
         self.editor.call_after_note_saved(self.notetype_chooser.choose_notetype)
 
+    def on_deck_changed(self, deck_id: int) -> None:
+        gui_hooks.add_cards_did_change_deck(deck_id)
+
     def on_notetype_change(self, notetype_id: NotetypeId) -> None:
         # need to adjust current deck?
         if deck_id := self.col.default_deck_for_notetype(notetype_id):

qt/aqt/deckchooser.py

@@ -16,6 +16,7 @@ class DeckChooser(QHBoxLayout):
         widget: QWidget,
         label: bool = True,
         starting_deck_id: Optional[DeckId] = None,
+        on_deck_changed: Optional[Callable[[int], None]] = None,
     ) -> None:
         QHBoxLayout.__init__(self)
         self._widget = widget  # type: ignore
@@ -27,6 +28,7 @@ class DeckChooser(QHBoxLayout):
         if starting_deck_id is None:
             starting_deck_id = DeckId(self.mw.col.get_config("curDeck", default=1) or 1)
         self.selected_deck_id = starting_deck_id
+        self.on_deck_changed = on_deck_changed
 
     def _setup_ui(self, show_label: bool) -> None:
         self.setContentsMargins(0, 0, 0, 0)
@@ -98,7 +100,11 @@ class DeckChooser(QHBoxLayout):
             geomKey="selectDeck",
         )
         if ret.name:
-            self.selected_deck_id = self.mw.col.decks.by_name(ret.name)["id"]
+            new_selected_deck_id = self.mw.col.decks.by_name(ret.name)["id"]
+            if self.selected_deck_id != new_selected_deck_id:
+                self.selected_deck_id = new_selected_deck_id
+                if func := self.on_deck_changed:
+                    func(new_selected_deck_id)
 
     # legacy
 

qt/tools/genhooks_gui.py

@@ -787,6 +787,12 @@ gui_hooks.webview_did_inject_style_into_page.append(mytest)
         doc="""Executed after the user selects a new note type when adding
         cards.""",
     ),
+    Hook(
+        name="add_cards_did_change_deck",
+        args=["new_deck_id: int"],
+        doc="""Executed after the user selects a new different deck when 
+        adding cards.""",
+    ),
     # Editing
     ###################
     Hook(