From 57f2aa94f2faa4f3c511a96415afdc3a4cd32bba Mon Sep 17 00:00:00 2001
From: helmutm <helmutm@fd906abe-77d9-0310-91a1-e0d9ade77398>
Date: Tue, 13 Apr 2010 09:20:00 +0000
Subject: [PATCH] provide export for selected nodes with target objects

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@3814 fd906abe-77d9-0310-91a1-e0d9ade77398
---
 external/base.py         | 34 ++++++++++++++++++++++++++++------
 external/browser.py      | 13 +++++++++++--
 external/exportimport.pt | 27 +++++++++++++++++++++------
 3 files changed, 60 insertions(+), 14 deletions(-)

diff --git a/external/base.py b/external/base.py
index bc5d557..3fa71a8 100644
--- a/external/base.py
+++ b/external/base.py
@@ -137,10 +137,25 @@ class Extractor(Base):
                 self.count += 1
                 yield r
 
-    def extractNodes(self, parent=None, path=''):
-        if parent is None:
-            parent = self.views
-        for name, obj in parent.items():
+    def getNodePath(self, node):
+        result = []
+        node = getParent(node)
+        while node != self.views:
+            result.append(getName(node))
+            node = getParent(node)
+        return '/'.join(reversed(result))
+
+    def extractNodes(self, parent=None, path='',
+                     topNodes=[], includeTargets=False):
+        if topNodes:
+            startingSet = [(getName(n), n) for n in topNodes]
+        elif parent is None:
+            startingSet = self.views.items()
+        else:
+            startingSet = parent.items()
+        for name, obj in startingSet:
+            if topNodes:
+                path = self.getNodePath(obj)
             data = {}
             for attr in ('description', 'body', 'viewName', 'pageName'):
                 value = getattr(obj, attr, None)
@@ -148,7 +163,13 @@ class Extractor(Base):
                     data[attr] = value
             target = obj.target
             if target is not None:
-                data['target'] = '/'.join((getName(getParent(target)), getName(target)))
+                tname = getName(target)
+                if includeTargets:
+                    if IResource.providedBy(target):
+                        yield self.getResourceElement(tname, target)
+                    else:
+                        yield self.getConceptElement(tname, target)
+                data['target'] = '/'.join((getName(getParent(target)), tname))
             elementClass = (isinstance(obj, LayoutNode) and elementTypes['layoutNode']
                                 or elementTypes['node'])
             elem = elementClass(name, obj.title, path, obj.nodeType, **data)
@@ -156,7 +177,8 @@ class Extractor(Base):
             self.count += 1
             yield elem
             childPath = path and '/'.join((path, name)) or name
-            for elem in self.extractNodes(obj, childPath):
+            for elem in self.extractNodes(obj, childPath,
+                                          includeTargets=includeTargets):
                 #self.provideSubElements(obj, elem)
                 self.count += 1
                 yield elem
diff --git a/external/browser.py b/external/browser.py
index 8d8e17f..00ace6e 100644
--- a/external/browser.py
+++ b/external/browser.py
@@ -31,7 +31,7 @@ from zope.app import zapi
 from zope.app.pagetemplate.viewpagetemplatefile import ViewPageTemplateFile
 from zope.cachedescriptors.property import Lazy
 from zope.security.proxy import removeSecurityProxy
-from zope.traversing.api import getName, getPath
+from zope.traversing.api import getName, getPath, traverse
 
 from cybertools.util.date import str2timeStamp
 from loops.external.base import Loader, Extractor
@@ -74,7 +74,12 @@ class ExportImport(object):
 
     def export(self):
         form = self.request.form
-        parents = predicates = types = None
+        nodes = parents = predicates = types = None
+        nodePaths = form.get('nodes')
+        if nodePaths:
+            nodePaths = [p for p in nodePaths.splitlines() if p]
+            nodes = [traverse(self.context.getViewManager(), p) for p in nodePaths]
+            nodes = [p for p in nodes if p is not None]
         parentIds = form.get('parents')
         if parentIds:
             parentIds = [id for id in parentIds.splitlines() if id]
@@ -87,6 +92,7 @@ class ExportImport(object):
         if typeIds:
             types = ([self.conceptManager[id] for id in typeIds])
         changed = form.get('changed')
+        includeNodeTargets = form.get('include_node_targets')
         includeSubconcepts = form.get('include_subconcepts')
         includeResources = form.get('include_resources')
         extractor = Extractor(self.context, self.resourceExportDirectory)
@@ -95,6 +101,9 @@ class ExportImport(object):
             if changed:
                 elements = extractor.extractChanges(changed, parents,
                                     predicates, types)
+        elif nodes:
+            elements = extractor.extractNodes(topNodes=nodes,
+                                              includeTargets=includeNodeTargets)
         elif parents:
             elements = extractor.extractForParents(parents, predicates, types,
                                     includeSubconcepts, includeResources)
diff --git a/external/exportimport.pt b/external/exportimport.pt
index c6258c8..d739389 100644
--- a/external/exportimport.pt
+++ b/external/exportimport.pt
@@ -30,26 +30,41 @@
             <td>
               <label for="changed">Export only objects changed since:<br />
                   (YYYY-MM-DD[ HH:MM[:SS]])</label></td>
-            <td colspan="3">
+            <td colspan="2">
               <input type="text" name="changed" id="changed" />
             </td>
           </tr>
           <tr>
+            <td colspan="2">
+              <br />
+              <label for="nodes">Nodes (paths)</label><br />
+              <textarea name="nodes" id="nodes"
+                        rows="5" cols="50" class="pretty"></textarea>
+            </td>
             <td>
-              <label for="parents">Parent concepts</label><br />
+              <br /><br />
+              <input type="checkbox" name="include_node_targets"
+                     id="include_node_targets" />
+              <label for="include_node_targets">Include Node Targets</label>
+          </tr>
+          <tr>
+            <td>
+              <br />
+              <label for="parents">Parent concepts (names)</label><br />
               <textarea name="parents" id="parents"
                         rows="8" class="pretty"></textarea>
             </td>
             <td>
+              <br />
               <label for="predicates">Predicates</label><br />
               <select multiple name="predicates:list" id="predicates"
-                      size="9">
+                      size="11">
                 <option tal:repeat="pred view/predicates"
                         tal:attributes="value pred/name"
                         tal:content="pred/title">subobject</option></select>
-            </td><td>&nbsp;</td>
+            </td>
             <td>
-              <br />
+              <br /><br />
               <input type="checkbox" name="include_subconcepts"
                      id="include_subconcepts" />
               <label for="include_subconcepts">Include Assigned Subconcepts</label>
@@ -60,7 +75,7 @@
             </td>
           </tr>
           <tr>
-            <td colspan="4">
+            <td colspan="3">
               <label for="types">Restrict Type</label><br />
               <select multiple name="types:list" id="types"
                       size="4">