[gen] Master-slave fields: slave values can now ajax-change when the user modifies master values.

gen/mixins/ToolMixin.py

@@ -209,8 +209,12 @@ class ToolMixin(BaseMixin):
 
     def getRootClasses(self):
         '''Returns the list of root classes for this application.'''
-        cfg = self.getProductConfig()
-        return [self.getAppyClass(k) for k in cfg.rootClasses]
+        cfg = self.getProductConfig().appConfig
+        rootClasses = cfg.rootClasses
+        if not rootClasses:
+            # We consider every class as being a root class.
+            rootClasses = cfg.appClassNames
+        return [self.getAppyClass(k) for k in rootClasses]
 
     def getSearchInfo(self, className, refInfo=None):
         '''Returns, as an object:
@@ -466,6 +470,10 @@ class ToolMixin(BaseMixin):
         '''Gets the Appy class corresponding to the Zope class named p_name.
            If p_wrapper is True, it returns the Appy wrapper. Else, it returns
            the user-defined class.'''
+        # p_zopeName may be the name of the Zope class *or* the name of the Appy
+        # class (shorter, not prefixed with the underscored package path).
+        classes = self.getProductConfig().allShortClassNames
+        if zopeName in classes: zopeName = classes[zopeName]
         zopeClass = self.getZopeClass(zopeName)
         if wrapper: return zopeClass.wrapperClass
         else: return zopeClass.wrapperClass.__bases__[-1]

gen/mixins/__init__.py

@@ -814,6 +814,20 @@ class BaseMixin:
             res.append(field)
         return res
 
+    def getSlaveFieldsRequestValues(self, pageName):
+        '''Returns the list of slave fields having a masterValue being a
+           method.'''
+        res = {}
+        req = self.REQUEST
+        for field in self.getAllAppyTypes():
+            if field.page.name != pageName: continue
+            if field.masterValue and callable(field.masterValue):
+                # We have such a field
+                name = field.name
+                if req.has_key(name) and req[name]:
+                    res[name] = req[name]
+        return sutils.getStringDict(res)
+
     def getCssJs(self, fields, layoutType, res):
         '''Gets, in p_res ~{'css':[s_css], 'js':[s_js]}~ the lists of
            Javascript and CSS files required by Appy types p_fields when shown