allow supression of versioning for single resources via an additional field

browser/form.py

@@ -642,8 +642,11 @@ class EditObject(FormController, I18NView):
 
     def checkCreateVersion(self, obj):
         form = self.request.form
-        if form.get('version.create'):
+        versionable = IVersionable(obj)
-            versionable = IVersionable(obj)
+        notVersioned = bool(form.get('version.not_versioned'))
+        if notVersioned != versionable.notVersioned:
+            versionable.notVersioned = notVersioned
+        if not notVersioned and form.get('version.create'):
             level = int(form.get('version.level', 0))
             version = versionable.createVersion(level)
             notify(ObjectCreatedEvent(version))

browser/form_macros.pt

@@ -229,12 +229,25 @@
 
 
 <metal:versioning define-macro="versioning"
-                  tal:define="versionInfo view/versionInfo"
+                  tal:define="versionInfo view/versionInfo;
+                              notVersioned view/versionable/notVersioned|nothing"
                   tal:condition="versionInfo">
       <tr>
-        <td colspan="5" i18n:translate="" class="headline">Versioning</td>
+        <td colspan="1" i18n:translate="" class="headline">Versioning</td>
+        <td colspan="4">
+          <span i18n:attributes="title"
+                title="Check this field if you want to suppress versioning for this resource.">
+            <input type="checkbox"
+                   name="version.not_versioned" id="version.not_versioned"
+                   value="not_versioned"
+                   tal:attributes="checked notVersioned" />
+            <label style="display: inline"
+                   for="version.not_versioned"><span i18n:translate="">
+              Suppress Versioning</span></label>
+          </span>
+        </td>
       </tr>
-      <tr>
+      <tr tal:condition="not:notVersioned">
         <td colspan="2">
           <span i18n:translate="">Version</span>:
           <span tal:content="versionInfo">1.1 (current, released)</span>

browser/skin/lobo/print.css

@@ -13,6 +13,6 @@ body {
 
 #content {
 /*  width: 100%; */
-    width: 70%;
+    width: 80%;
     color: Black;
 }

locales/de/LC_MESSAGES/loops.po

@@ -3,7 +3,7 @@ msgstr ""
 
 "Project-Id-Version: $Id$\n"
 "POT-Creation-Date: 2007-05-22 12:00 CET\n"
-"PO-Revision-Date: 2012-02-16 12:00 CET\n"
+"PO-Revision-Date: 2012-03-28 12:00 CET\n"
 "Last-Translator: Helmut Merz <helmutm@cy55.de>\n"
 "Language-Team: loops developers <helmutm@cy55.de>\n"
 "MIME-Version: 1.0\n"
@@ -437,6 +437,12 @@ msgstr "Suchbegriff"
 msgid "Select if you want to create a new version"
 msgstr "Bitte markieren, wenn Sie eine neue Version anlegen möchten"
 
+msgid "Suppress Versioning"
+msgstr "Keine Versionierung"
+
+msgid "Check this field if you want to suppress versioning for this resource."
+msgstr "Bitte markieren, wenn diese Ressource nicht versioniert werden soll."
+
 msgid "Search text"
 msgstr "Suchtext"
 

versioning/interfaces.py

@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2006 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2012 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -18,8 +18,6 @@
 
 """
 Versioning interfaces.
-
-$Id$
 """
 
 from zope.interface import Interface, Attribute
@@ -30,31 +28,34 @@ class IVersionable(Interface):
     """ An object that may exist in different versions.
     """
 
-    versionNumbers = Attribute(u'A tuple of version numbers for the context '
+    versionNumbers = Attribute('A tuple of version numbers for the context '
                         'object, with a number for each level')
 
-    variantIds = Attribute(u'A tuple of variant IDs (e.g. for language '
+    variantIds = Attribute('A tuple of variant IDs (e.g. for language '
                         'varuants) for the context object')
 
-    versionId = Attribute(u'A string identifying this version, e.g. 1.1_de, '
+    versionId = Attribute('A string identifying this version, e.g. 1.1_de, '
                         'derived from versionNumbers and variantIds')
 
-    master = Attribute(u'The object (master version) that should be used for access to '
+    master = Attribute('The object (master version) that should be used for access to '
                         'version-independent attributes and central '
                         'versioning metadata')
 
-    parent = Attribute(u'The version this one was created from')
+    parent = Attribute('The version this one was created from')
 
-    comment = Attribute(u'Somme informative text provided when creating '
+    comment = Attribute('Somme informative text provided when creating '
                         'this version')
 
     # attributes taken from the master version:
 
-    versions = Attribute(u'A dictionary of all versions of this object')
+    versions = Attribute('A dictionary of all versions of this object')
 
-    currentVersion = Attribute(u'The default version to be used for editing')
+    currentVersion = Attribute('The default version to be used for editing')
 
-    releasedVersion = Attribute(u'The default version to be used for viewing')
+    releasedVersion = Attribute('The default version to be used for viewing')
+
+    notVersioned = Attribute('A boolean that is True if this object should '
+                    'not be versioned')
 
     def createVersion(level=1):
         """ Create a copy of the context object as a new version and return it.

versioning/versionable.py

@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2007 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2012 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -18,8 +18,6 @@
 
 """
 Utilities for managing version informations.
-
-$Id$
 """
 
 from BTrees.OOBTree import OOBTree
@@ -129,6 +127,13 @@ class VersionableResource(object):
         m = self.versionableMaster
         return self.versionableMaster.getVersioningAttribute('releasedVersion', None)
 
+    def getNotVersioned(self):
+        m = self.versionableMaster
+        return self.versionableMaster.getVersioningAttribute('notVersioned', False)
+    def setNotVersioned(self, value):
+        self.versionableMaster.setVersioningAttribute('notVersioned', bool(value))
+    notVersioned = property(getNotVersioned, setNotVersioned)
+
     def createVersionObject(self, versionNumbers, variantIds, comment=u''):
         versionableMaster = self.versionableMaster
         versionableMaster.initVersions()