cloze deletion tweaks (#601)

- allow creation of cloze deletion when note type not selected; warn with
tooltip. prevents selection from getting lost
- warn before adding cloze note type with no deletions

aqt/addcards.py

@@ -131,6 +131,12 @@ class AddCards(QDialog):
                 "The first field is empty."),
                 help="AddItems#AddError")
             return
+        if '{{cloze:' in note.model()['tmpls'][0]['qfmt']:
+            if not self.mw.col.models._availClozeOrds(
+                    note.model(), note.joinedFields(), False):
+                if not askUser(_("You have a cloze deletion note type "
+                "but have not made any cloze deletions. Proceed?")):
+                    return
         cards = self.mw.col.addNote(note)
         if not cards:
             showWarning(_("""\

aqt/editor.py

@@ -10,7 +10,7 @@ from anki.hooks import runHook, runFilter
 from aqt.sound import getAudio
 from aqt.webview import AnkiWebView
 from aqt.utils import shortcut, showInfo, showWarning, getBase, getFile, \
-    openHelp
+    openHelp, tooltip
 import aqt
 import anki.js
 from BeautifulSoup import BeautifulSoup
@@ -754,9 +754,8 @@ class Editor(object):
         # check that the model is set up for cloze deletion
         if '{{cloze:' not in self.note.model()['tmpls'][0]['qfmt']:
             if self.addMode:
-                showInfo(_("""\
-To use this button, please select the Cloze note type. To learn more, \
-please click the help button."""), help="cloze")
+                tooltip(_("Warning, cloze deletions will not work until "
+                "you switch the type at the top to Cloze."))
             else:
                 showInfo(_("""\
 To make a cloze deletion on an existing note, you need to change it \