--- a/src/pyams_thesaurus/widget/__init__.py	Wed Jul 22 17:22:01 2015 +0200
+++ b/src/pyams_thesaurus/widget/__init__.py	Wed Jul 22 17:23:33 2015 +0200
@@ -135,7 +135,8 @@
                 thesaurus = query_utility(IThesaurus, name=thesaurus_name)
         if thesaurus is None:
             return None
-        value = value.split('|')
+        if isinstance(value, str):
+            value = value.split('|')
         for idx, val in enumerate(value):
             match = SYNONYM.match(val)
             if match:
@@ -169,3 +170,17 @@
 def ThesaurusTermsListFieldWidget(field, request):
     """Thesaurus terms list field widget factory"""
     return FieldWidget(field, ThesaurusTermsListWidget(request))
+
+
+#
+# Terms list widget with selector
+#
+
+@widgettemplate_config(mode='input', template='templates/terms-list-selector-input.pt', layer=IFormLayer)
+class ThesaurusTermsListSelectorWidget(ThesaurusTermsListWidget):
+    """Thesaurus terms list widget with selector"""
+
+
+def ThesaurusTermsListSelectorFieldWidget(field, request):
+    """Thesaurus terms list field widget with selector factory"""
+    return FieldWidget(field, ThesaurusTermsListSelectorWidget(request))

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_thesaurus/widget/templates/terms-list-selector-input.pt	Wed Jul 22 17:23:33 2015 +0200
@@ -0,0 +1,48 @@
+<label class="input bordered with-icons" i18n:domain="pyams_thesaurus">
+	<i class="icon-append fa fa-trash-o hint opaque"
+		title="Clear selected values" i18n:attributes="title"
+		tal:omit-tag="view/required"
+		data-ams-click-handler="MyAMS.helpers.select2ClearSelection"
+		tal:attributes="data-ams-select2-target view/name"></i>
+	<i class="icon-append icon-append-2 fa fa-th-list hint opaque"
+		title="Show terms selector" i18n:attributes="title"
+		data-ams-url="MyAMS.helpers.select2ClearSelection"
+		data-toggle="modal"
+		tal:attributes="data-ams-select2-target view/name"></i>
+	<div class="select2-parent">
+		<input type="hidden" autocomplete="off"
+			data-ams-select2-minimum-input-length="2"
+			data-ams-select2-allow-clear="true"
+			data-ams-select2-multiple="true"
+			data-ams-select2-separator="|"
+			data-ams-select2-query-method="findTerms"
+			data-ams-select2-method-target="/api/thesaurus/json"
+			tal:attributes="id view/id;
+							name view/name;
+							class string:select2 ${view/klass};
+							style view/style;
+							title view/title;
+							value python:'|'.join(view.value or ());
+							lang view/lang;
+							onclick view/onclick;
+							ondblclick view/ondblclick;
+							onmousedown view/onmousedown;
+							onmouseup view/onmouseup;
+							onmouseover view/onmouseover;
+							onmousemove view/onmousemove;
+							onmouseout view/onmouseout;
+							onkeypress view/onkeypress;
+							onkeydown view/onkeydown;
+							onkeyup view/onkeyup;
+							disabled view/disabled;
+							tabindex view/tabindex;
+							onfocus view/onfocus;
+							onblur view/onblur;
+							onchange view/onchange;
+							readonly view/readonly;
+							accesskey view/accesskey;
+							onselect view/onselect;
+							data-ams-select2-values view/values_map;
+							data-ams-select2-query-params view/query_params;" />
+	</div>
+</label>