Added basic infrastructure for discussion controlpanel.

svn path=/plone.app.discussion/trunk/; revision=27269

plone/app/discussion/browser/configure.zcml

@@ -3,6 +3,8 @@
     xmlns:browser="http://namespaces.zope.org/browser"
     i18n_domain="plone.app.discussion">
 
+    <include package="plone.app.registry" />
+
     <!-- Traversal adapter -->
     <adapter factory=".traversal.ConversationNamespace" name="conversation" />
 
@@ -66,4 +68,20 @@
         layer="..interfaces.IDiscussionLayer"
         />
 
+    <browser:page
+        name="discussion-settings"
+        for="Products.CMFPlone.interfaces.IPloneSiteRoot"
+        class=".controlpanel.DiscussionSettingsControlPanel"
+        permission="cmf.ManagePortal"
+        />
+
+    <!-- Utility view - use in portal_css or similar as portal/@@xdv-check/enabled" -->
+    <browser:page
+        name="discussion-check"
+        for="Products.CMFPlone.interfaces.IPloneSiteRoot"
+        class=".controlpanel.Utility"
+        permission="zope.Public"
+        allowed_attributes="globally_enabled"
+        />
+
 </configure>

plone/app/discussion/browser/controlpanel.py

@@ -0,0 +1,57 @@
+from Products.Five.browser import BrowserView
+
+from zope.component import queryUtility
+from plone.registry.interfaces import IRegistry
+
+from plone.app.registry.browser import controlpanel
+
+from plone.app.discussion.interfaces import IDiscussionSettings, _
+
+try:
+    # only in z3c.form 2.0
+    from z3c.form.browser.textlines import TextLinesFieldWidget
+    from z3c.form.browser.widget import SingleCheckBoxWidget
+except ImportError:
+    from plone.z3cform.textlines import TextLinesFieldWidget
+    from plone.z3cform.widget import SingleCheckBoxWidget
+
+class DiscussionSettingsEditForm(controlpanel.RegistryEditForm):
+
+    schema = IDiscussionSettings
+    label = _(u"Discussion settings")
+    description = _(u"Please enter the options specified")
+
+    def updateFields(self):
+        super(DiscussionSettingsEditForm, self).updateFields()
+        #self.fields['globally_enabled'].widgetFactory = SingleCheckBoxWidget
+
+    def updateWidgets(self):
+        super(DiscussionSettingsEditForm, self).updateWidgets()
+
+class DiscussionSettingsControlPanel(controlpanel.ControlPanelFormWrapper):
+    form = DiscussionSettingsEditForm
+
+class Utility(BrowserView):
+    """Utility view to determine if the site is currently styled with xdv
+    """
+
+    def globally_enabled(self):
+        """Determine if the utility is enabled and we are in an enabled domain
+        """
+
+        registry = queryUtility(IRegistry)
+        if registry is None:
+            return False
+
+        settings = None
+        try:
+            settings = registry.for_interface(IDiscussionSettings)
+        except KeyError:
+            return False
+
+        if not settings.globally_enabled:
+            return False
+        else:
+            return True
+
+        return False