template (xmlui): new properties + inheritance fix:

- "values" property in OptionsWidget return selected values.
- "labels" property in OptionsWidget return list of labels
- "for_name" property in LabelWidget return name of associated widget if set, else None
- fixed inheritance for StringWidget and TextBoxWidget

src/tools/common/template_xmlui.py

@@ -69,6 +69,18 @@ class OptionsWidget(Widget):
         self.selected = selected
         self.style = style
 
+    @property
+    def values(self):
+        return self.selected
+
+    @property
+    def labels(self):
+        ret = []
+        for value,label in self.options:
+            if value in self.selected:
+                ret.append(label)
+        return ret
+
 
 class EmptyWidget(xmlui.EmptyWidget, Widget):
 
@@ -83,12 +95,19 @@ class TextWidget(xmlui.TextWidget, ValueWidget):
 class LabelWidget(xmlui.LabelWidget, ValueWidget):
     type = u"label"
 
+    @property
+    def for_name(self):
+        try:
+            return self._xmlui_for_name
+        except AttributeError:
+            return None
 
-class StringWidget(xmlui.LabelWidget, InputWidget):
+
+class StringWidget(xmlui.StringWidget, InputWidget):
     type = u"string"
 
 
-class TextBoxWidget(xmlui.LabelWidget, InputWidget):
+class TextBoxWidget(xmlui.TextWidget, InputWidget):
     type = u"textbox"