minor improvements; start to extend Resource with filesystem storage

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1243 fd906abe-77d9-0310-91a1-e0d9ade77398

browser/configure.zcml

@@ -275,7 +275,7 @@
       view="AddLoopsDocument.html"
       />
 
-  <editform
+<!--  <editform
       label="Edit Document"
       name="edit.html"
       schema="loops.interfaces.IDocumentSchema"
@@ -283,15 +283,15 @@
       for="loops.interfaces.IDocument"
       template="edit.pt"
       permission="zope.ManageContent"
-      menu="zmi_views" title="Edit" />
+      menu="zmi_views" title="Edit" />-->
 
-  <!--<page
+  <page
       name="edit.html"
       for="loops.interfaces.IDocument"
       class="loops.browser.resource.DocumentEditForm"
       permission="zope.ManageContent"
       menu="zmi_views" title="Edit"
-      />-->
+      />
 
   <page
       for="loops.interfaces.IDocument"

browser/resource.py

@@ -28,11 +28,13 @@ from zope.app.catalog.interfaces import ICatalog
 from zope.app.dublincore.interfaces import ICMFDublinCore
 from zope.app.pagetemplate import ViewPageTemplateFile
 from zope.formlib.form import FormFields
+from zope.formlib.interfaces import DISPLAY_UNWRITEABLE
 from zope.proxy import removeAllProxies
 from zope.security import canAccess, canWrite
 from zope.security.proxy import removeSecurityProxy
 
 from loops.interfaces import IDocument, IMediaAsset
+from loops.interfaces import IFileSystemResource, IControlledResource
 from loops.browser.common import EditForm, BaseView
 from loops.browser.concept import ConceptRelationView, ConceptConfigureView
 from loops.browser.node import NodeView
@@ -47,7 +49,10 @@ renderingFactories = {
 
 
 class DocumentEditForm(EditForm):
-    form_fields = FormFields(IDocument)
+    form_fields = FormFields(IDocument, IFileSystemResource, IControlledResource
+    )
+    for f in form_fields:
+        f.render_context |= DISPLAY_UNWRITEABLE
 
 class MediaAssetEditForm(EditForm):
     form_fields = FormFields(IMediaAsset)

configure.zcml

@@ -140,16 +140,20 @@
 
     <require
         permission="zope.View"
-        interface=".interfaces.IDocument" />
+        interface=".interfaces.IDocument
-
+                   .interfaces.IFileSystemResource
-    <require
+                   .interfaces.IControlledResource
-        permission="zope.View"
+                   zope.app.size.interfaces.ISized" />
-        interface="zope.app.size.interfaces.ISized" />
 
     <require
         permission="zope.ManageContent"
         set_schema=".interfaces.IDocument" />
 
+    <require
+        permission="zope.ManageApplication"
+        set_schema=".interfaces.IFileSystemResource
+                    .interfaces.IControlledResource" />
+
   </content>
 
   <interface

interfaces.py

@@ -202,6 +202,27 @@ class IResourceSchema(Interface):
                 required=False)
 
 
+class IFileSystemResource(Interface):
+
+    fsPath = schema.BytesLine(
+                title=_(u'Filesystem Path'),
+                description=_(u'Optional path to a file in the filesystem '
+                               'to be used for storing the resource'),
+                default='',
+                missing_value='',
+                required=False)
+
+
+class IControlledResource(Interface):
+
+    readOnly = schema.Bool(
+                title=_(u'Read only'),
+                description=_(u'Check this if resource may not be modified '
+                               'after being first filled with non-empty content'),
+                default=False,
+                required=False)
+
+
 class IResource(ILoopsObject, IPotentialTarget):
     """ A resource is an atomic information element that is made
         available via a view or a concept.
@@ -235,7 +256,6 @@ class IResource(ILoopsObject, IPotentialTarget):
         """
 
 
-
 class IDocumentSchema(IResourceSchema):
 
     data = schema.Text(

organize/browser.py

@@ -78,7 +78,7 @@ class PasswordWidget(BasePasswordWidget):
 
 class MemberRegistration(Form, NodeView):
 
-    form_fields = FormFields(IMemberRegistration)
+    form_fields = FormFields(IMemberRegistration).omit('age')
     template = NamedTemplate('loops.dataform')
     label = _(u'Member Registration')
 

resource.py

@@ -43,6 +43,7 @@ from cybertools.relation.interfaces import IRelatable
 from interfaces import IResource
 from interfaces import IDocument, IDocumentSchema, IDocumentView
 from interfaces import IMediaAsset, IMediaAssetSchema, IMediaAssetView
+from interfaces import IFileSystemResource, IControlledResource
 from interfaces import IResourceManager, IResourceManagerContained
 from interfaces import ILoopsContained
 from interfaces import IIndexAttributes
@@ -54,7 +55,8 @@ _ = MessageFactory('loops')
 
 class Resource(Contained, Persistent):
 
-    implements(IResource, IResourceManagerContained, IRelatable)
+    implements(IResource, IFileSystemResource, IControlledResource,
+               IResourceManagerContained, IRelatable)
 
     _size = _width = _height = 0
 
@@ -70,6 +72,16 @@ class Resource(Contained, Persistent):
     def getContentType(self): return self._contentType
     contentType = property(getContentType, setContentType)
 
+    _fsPath = ''
+    def setFsPath(self, fsPath): self._fsPath = fsPath
+    def getFsPath(self): return self._fsPath
+    fsPath = property(getFsPath, setFsPath)
+
+    _readOnly = ''
+    def setReadOnly(self, readOnly): self._readOnly = readOnly
+    def getReadOnly(self): return self._readOnly
+    readOnly = property(getReadOnly, setReadOnly)
+
     def __init__(self, title=u''):
         self.title = title