add v1 sched warnings

__init__.py

@@ -1,5 +1,25 @@
+from anki.collection import Collection
+from aqt import gui_hooks
+from aqt.utils import askUser
+
 from . import answer_buttons
 from . import gui
+from . import toolbar
+from .consts import SCHED_UP_WARN_MSG
+
+
+def init_answer_buttons(col: Collection):
+    # Upgrade scheduler version, if outdated.
+
+    if col.schedVer() != 2:
+        if askUser(SCHED_UP_WARN_MSG) is True:
+            col.changeSchedulerVer(2)
+        else:
+            return
+
+    answer_buttons.main()
+
 
-answer_buttons.main()
+toolbar.main()
 gui.main()
+gui_hooks.collection_did_load.append(init_answer_buttons)

answer_buttons.py

@@ -218,11 +218,3 @@ def main():
     # If `pass_fail` is true, "Hard" and "Easy" buttons are removed.
     # This func gets called inside _answerButtonList, which itself gets called inside _answerButtons (*)
     gui_hooks.reviewer_will_init_answer_buttons.append(filter_answer_buttons)
-
-    # When Reviewer is open, print the last card's stats on the top toolbar.
-    gui_hooks.top_toolbar_did_init_links.append(LastEase.append_link)
-    gui_hooks.reviewer_did_answer_card.append(LastEase.update)
-
-    # Don't show the last card's stats when Reviewer is not open.
-    gui_hooks.reviewer_will_end.append(LastEase.hide)
-    gui_hooks.main_window_did_init.append(LastEase.hide)

consts.py

@@ -1,3 +1,5 @@
+from anki.lang import _
+
 ADDON_NAME = "AJT Flexible Grading"
 GITHUB = "https://github.com/Ajatt-Tools"
 DONATE_LINK = "https://tatsumoto-ren.github.io/blog/donating-to-tatsumoto.html"
@@ -24,3 +26,16 @@
 and <a href="{YT_LINK}">mattvsjapan</a> for the idea for this add-on.
 </p>
 """
+SCHED_NAG_MSG = """
+<font color="%s">
+You are still using the old scheduler.
+The add-on is disabled.<br>
+Please upgrade the scheduler and restart Anki.
+</font>
+"""
+SCHED_UP_WARN_MSG = _(
+    f"You've installed {ADDON_NAME}, " +
+    "but you're still using the outdated V1 scheduler. "
+    "Upgrading the scheduler to V2 will reset any cards in learning and clear filtered decks. "
+    "Proceed?"
+)

gui.py

@@ -171,6 +171,9 @@ class SettingsMenuDialog(SettingsMenuUI):
     def __init__(self, *args, **kwargs):
         super(SettingsMenuDialog, self).__init__(*args, **kwargs)
         self.connect_buttons()
+        if mw.col.schedVer() != 2:
+            layout = self.layout()
+            layout.addWidget(QLabel(SCHED_NAG_MSG % config.get_color(1)))
 
     def connect_buttons(self):
         self.ok_button.clicked.connect(self.on_confirm)

toolbar.py

@@ -22,7 +22,7 @@
 
 import aqt
 from anki.cards import Card
-from aqt import mw
+from aqt import mw, gui_hooks
 from aqt.reviewer import Reviewer
 from aqt.toolbar import Toolbar
 
@@ -119,3 +119,13 @@ def hide(cls) -> None:
                 elem.style.color = "";
                 elem.style.display = "none";
         """)
+
+
+def main():
+    # When Reviewer is open, print the last card's stats on the top toolbar.
+    gui_hooks.top_toolbar_did_init_links.append(LastEase.append_link)
+    gui_hooks.reviewer_did_answer_card.append(LastEase.update)
+
+    # Don't show the last card's stats when Reviewer is not open.
+    gui_hooks.reviewer_will_end.append(LastEase.hide)
+    gui_hooks.main_window_did_init.append(LastEase.hide)