Allow custom address in email selection #38844

setup.py

@@ -44,6 +44,7 @@ setup(name='collective.dms.basecontent',
           'setuptools',
           'five.grok',
           'collective.documentviewer',
+          'collective.select2',
           'plone.api',
           'plone.app.dexterity',
           'plone.namedfile',

src/collective/dms/basecontent/configure.zcml

@@ -3,6 +3,7 @@
     xmlns:grok="http://namespaces.zope.org/grok"
     xmlns:i18n="http://namespaces.zope.org/i18n"
     xmlns:genericsetup="http://namespaces.zope.org/genericsetup"
+    xmlns:browser="http://namespaces.zope.org/browser"
     i18n_domain="collective.dms.basecontent">
 
   <include package="five.grok" />
@@ -68,4 +69,14 @@
         for=".dmsfile.IDmsFile"
         factory=".dmsfile.DmsFileWriteFile"/>
 
+
+    <browser:page
+      for="plone.app.layout.navigation.interfaces.INavigationRoot"
+      name="select2-ldap-emails-search"
+      class=".widget.LDAPEmailsSearch"
+      permission="cmf.SetOwnPassword"
+      layer="pfwbged.policy.interfaces.IPfwbgedPolicyLayer"
+      />
+
+
 </configure>

src/collective/dms/basecontent/widget.py

@@ -1,12 +1,12 @@
-import zope.component
-
-from zope.schema.interfaces import ISource, IContextSourceBinder
-from zope.interface import implementer
 import z3c.form.interfaces
-
-from z3c.form import interfaces, util, value
-
+import zope.component
+from collective.select2.browser import BaseSearch
 from collective.z3cform.chosen.widget import AjaxChosenMultiSelectionWidget
+from z3c.form import interfaces
+from zope.component import getUtility
+from zope.interface import implementer
+from zope.schema.interfaces import IVocabularyFactory
+
 
 class CustomAjaxChosenMultiSelectionWidget(AjaxChosenMultiSelectionWidget):
     @property
@@ -25,6 +25,7 @@ class CustomAjaxChosenMultiSelectionWidget(AjaxChosenMultiSelectionWidget):
             source.extra_default_values = adapter.get()
         return source
 
+
 @implementer(z3c.form.interfaces.IFieldWidget)
 def AjaxChosenMultiFieldWidget(field, request):
     widget = z3c.form.widget.FieldWidget(field,
@@ -32,3 +33,30 @@ def AjaxChosenMultiFieldWidget(field, request):
     widget.populate_select = True
     widget.ignoreMissing = True
     return widget
+
+
+class LDAPEmailsSearch(BaseSearch):
+    """Search for LDAP emails, allow dynamic option selection"""
+    def results(self, search_term, add_terms=False):
+        factory = getUtility(
+            IVocabularyFactory,
+            'collective.dms.basecontent.ldap_emails',
+        )
+        vocabulary = factory(self.context)
+        found = False
+
+        for term in vocabulary:
+            if search_term in term.token:
+                found = True
+                yield {
+                    "text": term.value,
+                    "id": term.value,
+                }
+
+        # make the search term a selectable value
+        # if it doesn't match any existing email
+        if add_terms and not found:
+            yield {
+                "text": search_term,
+                "id": search_term
+            }