From 458d891d28293c44993f1fad906cfb64d7a924d6 Mon Sep 17 00:00:00 2001
From: RumovZ <gp5glkw78@relay.firefox.com>
Date: Sun, 25 Apr 2021 08:35:21 +0200
Subject: [PATCH] Add dec to make methods no-op if no selection

---
 ftl/core/browsing.ftl |  1 +
 qt/aqt/utils.py       | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/ftl/core/browsing.ftl b/ftl/core/browsing.ftl
index ca5c72b60..5b44004f0 100644
--- a/ftl/core/browsing.ftl
+++ b/ftl/core/browsing.ftl
@@ -65,6 +65,7 @@ browsing-nd-names = { $num }: { $name }
 browsing-new = (new)
 browsing-new-note-type = New note type:
 browsing-no-flag = No Flag
+browsing-no-selection = No cards or notes selected.
 browsing-note = Note
 # Exactly one character representing 'Notes'; should differ from browsing-card-initial.
 browsing-note-initial = N
diff --git a/qt/aqt/utils.py b/qt/aqt/utils.py
index 2b4a0511d..83064712c 100644
--- a/qt/aqt/utils.py
+++ b/qt/aqt/utils.py
@@ -1009,6 +1009,19 @@ def ensure_editor_saved_on_trigger(func: Callable) -> Callable:
     return pyqtSlot()(ensure_editor_saved(func))  # type: ignore
 
 
+def skip_if_selection_is_empty(func: Callable) -> Callable:
+    """Make the wrapped method a no-op and show a hint if the table selection is empty."""
+
+    @wraps(func)
+    def decorated(self: Any, *args: Any, **kwargs: Any) -> None:
+        if self.table.len_selection() > 0:
+            func(self, *args, **kwargs)
+        else:
+            tooltip(tr.browsing_no_selection())
+
+    return decorated
+
+
 class KeyboardModifiersPressed:
     "Util for type-safe checks of currently-pressed modifier keys."