First steps towards creating resources via a node object

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1034 fd906abe-77d9-0310-91a1-e0d9ade77398

README.txt

@@ -300,6 +300,16 @@ application uses a subclass that does all the other stuff for form handling.)
   >>> from loops.browser.node import ConfigureBaseView
   >>> view = ConfigureBaseView(INodeConfigSchema(m111), TestRequest())
   >>> view.checkCreateTarget()
+  >>> sorted(resources.keys())
+  [u'doc1']
+  >>> form = {'field.createTarget': True,
+  ...         'field.targetUri': '.loops/resources/ma07',
+  ...         'field.targetType': 'loops.resource.MediaAsset'}
+  >>> view = ConfigureBaseView(INodeConfigSchema(m111), TestRequest(form=form))
+  >>> view = ConfigureBaseView(m111, TestRequest(form=form))
+  >>> view.checkCreateTarget()
+  >>> sorted(resources.keys())
+  [u'doc1', u'ma07']
 
 It is also possible to edit a target's attributes directly in an
 edit form provided by the node:

browser/node.py

@@ -30,6 +30,7 @@ from zope.proxy import removeAllProxies
 from zope.security import canAccess, canWrite
 from zope.security.proxy import removeSecurityProxy
 
+from loops.resource import MediaAsset
 
 class NodeView(object):
 
@@ -95,17 +96,26 @@ class NodeView(object):
 
 
 class ConfigureBaseView(object):
-    """ Helper view object for editing/configuring a node, providing the
+    """ Helper view class for editing/configuring a node, providing the
         stuff needed for creating a target object.
     """
 
     def __init__(self, context, request):
-        self.context = context
+        self.context = removeSecurityProxy(context)
         self.request = request
 
     def checkCreateTarget(self):
-        pass
-
+        form = self.request.form
+        if 'field.createTarget' in form:
+            type = self.request.form.get('field.targetType',
+                                         'loops.resource.MediaAsset')
+            # TODO: find class (better: factory) from type name
+            uri = self.request.form.get('field.targetUri', None)
+            # TODO: generate uri/__name__ if not given
+            if uri:
+                # TODO: find container
+                self.context.getLoopsRoot()['resources']['ma07'] = MediaAsset()
+                #self.context.loopsRoot['resources']['ma07'] = MediaAsset()
 
 class ConfigureView(object):
     """ An editing view for configuring a node, optionally creating
@@ -117,6 +127,8 @@ class ConfigureView(object):
         self.delegate = ConfigureBaseView(context, request)
 
     def update(self):
+        if self.update_status is not None:
+            return self.update_status
         self.delegate.checkCreateTarget()
         return super(ConfigureView, self).update()
 

view.py

@@ -212,13 +212,8 @@ class NodeConfigAdapter(object):
             return '%s.%s' % (target.__module__, target.__class__.__name__)
         return None
     def setTargetType(self, tt):
-        self._targetType = tt  # to be able to use it in setCreateTarget()
+        pass  # only used whe a new target object is created
     targetType = property(getTargetType, setTargetType)
 
-    def setCreateTarget(self, value):
-        if value:
-            print 'targetType:', self._targetType or self.targetType
-    def getCreateTarget(self): return False
-    createTarget = property(getCreateTarget, setCreateTarget)
-
+    createTarget = False  # not used