Add option to select content type to use glossary

src/collective/glossary/config.py

@@ -1,2 +1,8 @@
 # -*- coding: utf-8 -*-
 PROJECTNAME = 'collective.glossary'
+
+# by default, all standard content types will be searchable
+DEFAULT_ENABLED_CONTENT_TYPES = [
+    'Document',
+    'News Item'
+]

src/collective/glossary/configure.zcml

@@ -24,5 +24,6 @@
   <include package=".browser" />
 
   <include file="profiles.zcml" />
+  <include file="vocabulary.zcml" />
 
 </configure>

src/collective/glossary/interfaces.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from collective.glossary import _
+from collective.glossary.config import DEFAULT_ENABLED_CONTENT_TYPES
 from plone.directives import form
 from plone.namedfile.field import NamedBlobImage
 from zope import schema
@@ -21,6 +22,16 @@ class IGlossarySettings(form.Schema):
         default=True,
     )
 
+    enabled_content_types = schema.List(
+        title=_(u'Enabled Content Types'),
+        description=_(u'Only objects of these content types will apply the glossary'),
+        required=False,
+        default=DEFAULT_ENABLED_CONTENT_TYPES,
+        # we are going to list only the main content types in the widget
+        value_type=schema.Choice(
+            vocabulary=u'collective.glossary.AvailableContentTypes'),
+    )
+
 
 class IGlossary(form.Schema):
 

src/collective/glossary/vocabulary.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from plone.app.vocabularies.types import ReallyUserFriendlyTypesVocabulary
+from zope.schema.vocabulary import SimpleVocabulary
+
+
+class AvailableContentTypesVocabulary(ReallyUserFriendlyTypesVocabulary):
+    """
+    Inherit from plone.app.vocabularies.ReallyUserFriendlyTypes; and filter
+    the results. We don't want glossary to be listed.
+    """
+
+    def __call__(self, context):
+        items = super(AvailableContentTypesVocabulary, self).__call__(context)
+        items = [i for i in items if i.token not in ('Glossary', 'Term')]
+        return SimpleVocabulary(items)
+
+
+availableContentTypesVocabulary = AvailableContentTypesVocabulary()

src/collective/glossary/vocabulary.zcml

@@ -0,0 +1,9 @@
+<configure xmlns="http://namespaces.zope.org/zope">
+
+  <utility
+      provides="zope.schema.interfaces.IVocabularyFactory"
+      component=".vocabulary.availableContentTypesVocabulary"
+      name="collective.glossary.AvailableContentTypes"
+      />
+
+</configure>