Examining rendered data.

z3cwidgetoptchoice/tests.py

@@ -13,6 +13,16 @@
                         SimpleTerm(value="first", title="First"),
                         SimpleTerm(value="second", title="Second")
                                 ])
+longer_sample_terms = SimpleVocabulary([
+                        SimpleTerm(value="f1", title="One"),
+                        SimpleTerm(value="f2", title="Two"),
+                        SimpleTerm(value="f3", title="Three"),
+                        SimpleTerm(value="f4", title="Four"),
+                        SimpleTerm(value="f5", title="Five"),
+                        SimpleTerm(value="f6", title="Six"),
+                        SimpleTerm(value="f7", title="Seven"),
+                        SimpleTerm(value="f8", title="Eight"),
+                                        ])
 comparison_terms = ["first", "second"]
 
 class TestBasicOptChoice(unittest.TestCase):
@@ -50,3 +60,14 @@ def test_init_widget(self):
         opt_widget = OptChoiceWidget(self.request)
         opt_widget.name = 'opt-choice'
         self.assertIsNone(opt_widget.terms)
+    def test_render_sequence(self):
+        opt_widget = OptChoiceWidget(self.request)
+        opt_widget.name = 'opt-choice'
+        opt_widget.id = 'oc1'
+        opt_widget.terms = longer_sample_terms
+        opt_widget.update()
+        rendered_data = opt_widget.render()
+        self.assertIn('id="oc1"', rendered_data)
+        self.assertIn('id="oc1-0"', rendered_data)
+        self.assertIn('id="oc1-7"', rendered_data)
+        self.assertEqual(8, rendered_data.count('value="f'))

z3cwidgetoptchoice/widget.py

@@ -4,6 +4,7 @@
 import zope.component
 import zope.interface
 
+from zope.i18n import translate
 from zope.component import provideAdapter
 from zope.traversing.interfaces import ITraversable
 from zope.traversing.adapters import DefaultTraversable
@@ -22,7 +23,6 @@ class OptChoiceWidget(HTMLSelectWidget, Widget):
     noValueToken ='--NOVALUE--'
 
     def __init__(self, request):
-        self.items = None
         dirname = os.path.dirname(os.path.abspath(__file__))
         outp = os.path.join(dirname, 'templates', 'optchoice.pt')
         self.template = ViewPageTemplateFile(outp)
@@ -48,6 +48,30 @@ def extract(self, default=interfaces.NO_VALUE):
         value = self.request.get(self.name, default)
         #TODO: add more or fewer checks compared to SequenceWidget
         return value
+    def isSelected(self, term):
+        return term.token in self.value
+    @property
+    def items(self):
+        """
+        Using z3c.form.browser.select -- SelectWidget.items
+        """
+        if self.terms is None:
+            return ()
+        items = []
+        for count, term in enumerate(self.terms):
+            selected = self.isSelected(term)
+            id = "%s-%i" % (self.id, count)
+            content = term.token
+            if zope.schema.interfaces.ITitledTokenizedTerm.providedBy(term):
+                content = translate(term.title, context=self.request,
+                                    default=term.title)
+            items.append({
+                          'id':id,
+                          'value':term.token,
+                          'content':content,
+                          'selected':selected,
+                          })
+        return items
 
 @zope.component.adapter(zope.schema.interfaces.IField, interfaces.IFormLayer)
 def OptChoiceWidgetFactory(field, request):