Fix data array preview for 1-d an 0-d arrays

bt5/erp5_wendelin/SkinTemplateItem/portal_skins/erp5_wendelin/DataArray_getArrayColumnList.xml

@@ -50,7 +50,9 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string># return columns from shape of axis 1 of ndarray\n
+            <value> <string encoding="cdata"><![CDATA[
+
+# return columns from shape of axis 1 of ndarray\n
 # never return more than the first 100 columns\n
 array = context.getArray()\n
 \n
@@ -58,8 +60,13 @@ if array is None:\n
   return []\n
 \n
 else:\n
+  if len(context.getArrayShape()) < 2:\n
+    return [(\'index\', \'Index\'), (\'1\', \'1\')]\n
+  else:\n
     return [(\'index\', \'Index\')] + [(str(i), str(i)) for i in range(min(context.getArrayShape()[1], 100))]\n
-</string> </value>
+
+
+]]></string> </value>
         </item>
         <item>
             <key> <string>_params</string> </key>

bt5/erp5_wendelin/SkinTemplateItem/portal_skins/erp5_wendelin/DataArray_getArrayRowList.xml

@@ -73,11 +73,22 @@ class SequenceSliceMap():\n
     return self.sequence_slice[index % self.length]\n
 \n
 def createTempBase(nr, row):\n
-  column_iterator = enumerate([col for col in context.DataArray_getArrayColumnList() if col[0] != \'index\'])\n
+  def getElementFromArray(array, index):\n
+    return array[index]\n
+\n
+  def getElementFromScalar(scalar, index=None):\n
+    return scalar\n
+\n
+  column_list = [col for col in context.DataArray_getArrayColumnList() if col[0] != \'index\']\n
+  column_iterator = enumerate(column_list)\n
+  if len(column_list) == 1:\n
+    getElement = getElementFromScalar\n
+  else:\n
+    getElement = getElementFromArray\n
   return newTempBase(context.getPortalObject(),\n
                      str(id(row)),\n
                      index = nr,\n
-                     **{col[0]: str(row[i]) for i, col in column_iterator})\n
+                     **{col[0]: str(getElement(row, i)) for i, col in column_iterator})\n
 \n
 \n
 length = context.getArrayShape()[0]\n