Fix(wx/search): Do not allow empty search value

There're too many authors and books to list them all.

[skip ci]

diff --git a/m_librarian/wx/SearchPanels.py b/m_librarian/wx/SearchPanels.py
index ab7bee69bb03aabcc9040ddac97514e73298efa5..06f90218794c17f146636e2d46780c4d5e06486d 100644 (file)
--- a/m_librarian/wx/SearchPanels.py
+++ b/m_librarian/wx/SearchPanels.py
@@ -47,6 +47,9 @@ class SearchPanel(wx.Panel):
 
     def DoSearch(self, event):
         search = self.search.GetValue()
+        if not search:
+            self.search.SetFocus()
+            return
         search_substr = _search_types[self.search_substr.GetSelection()]
         search_case = self.search_case.GetValue()
         if search_case is False: