Add "prefix" attribute to dtml-in and dtml-tree tags.

lib/python/DocumentTemplate/DT_InSV.py

@@ -85,10 +85,9 @@
 __doc__='''Sequence variables support
 
 
-$Id: DT_InSV.py,v 1.19 2001/04/27 18:07:10 andreas Exp $'''
-__version__='$Revision: 1.19 $'[11:-2]
+$Id: DT_InSV.py,v 1.20 2001/05/16 19:07:02 evan Exp $'''
+__version__='$Revision: 1.20 $'[11:-2]
 
-from string import lower, rfind, split, join
 from math import sqrt
 import re
 TupleType=type(())
@@ -100,11 +99,16 @@ except: mv=None
 
 class sequence_variables:
 
-    def __init__(self,items=None,query_string='',start_name_re=None):
+    alt_prefix = None
+    
+    def __init__(self,items=None,query_string='',start_name_re=None,
+                 alt_prefix=''):
         
         self.items=items
         self.query_string=query_string
         self.start_name_re=start_name_re
+        if alt_prefix:
+            self.alt_prefix = alt_prefix + '_'
 
         self.data=data={
             'previous-sequence': 0,
@@ -126,7 +130,7 @@ class sequence_variables:
         if type(i) is tt and len(i)==2: return i[1]
         return i
 
-    def roman(self,index): return lower(self.Roman(index))
+    def roman(self,index): return self.Roman(index).lower()
 
     def Roman(self,num):
         # Force number to be an integer value
@@ -165,12 +169,12 @@ class sequence_variables:
 
         # Replaces special cases in Roman Numerals
         
-        roman = sub('DCCCC', 'CM', roman)
-        roman = sub('CCCC', 'CD', roman)
-        roman = sub('LXXXX', 'XC', roman)
-        roman = sub('XXXX', 'XL', roman)
-        roman = sub('VIIII', 'IX', roman)
-        roman = sub('IIII', 'IV', roman)
+        roman = roman.replace('DCCCC', 'CM')
+        roman = roman.replace('CCCC', 'CD')
+        roman = roman.replace('LXXXX', 'XC')
+        roman = roman.replace('XXXX', 'XL')
+        roman = roman.replace('VIIII', 'IX')
+        roman = roman.replace('IIII', 'IV')
 
         return roman
 
@@ -196,7 +200,7 @@ class sequence_variables:
         return self.value(index,name) != self.value(index+1,name)
 
     def length(self, ignored):
-        l=self.data['sequence-length']=len(self.items)
+        l=self['sequence-length']=len(self.items)
         return l
 
     def query(self, *ignored):
@@ -227,7 +231,7 @@ class sequence_variables:
 
             query_string='?'+query_string[1:]
         else: query_string='?'
-        self.data['sequence-query']=query_string
+        self['sequence-query']=query_string
         
         return query_string
         
@@ -249,7 +253,11 @@ class sequence_variables:
         for item in items:
             try:
                 if mapping: item=item[name]
-                else: item=getattr(item,name)
+                else:
+                    try: item=getattr(item,name)
+                    except:
+                        if name != 'item':
+                            raise
                 try:
                     if item is mv:
                         item = None
@@ -389,6 +397,12 @@ class sequence_variables:
         }
     for n in statistic_names: special_prefixes[n]=statistics
 
+    def __setitem__(self, key, value):
+        self.data[key] = value
+        if self.alt_prefix:
+            if key.startswith('sequence-'): key = key[9:]
+            self.data[self.alt_prefix + key] = value
+
     def __getitem__(self,key,
                     special_prefixes=special_prefixes,
                     special_prefix=special_prefixes.has_key
@@ -396,9 +410,19 @@ class sequence_variables:
         data=self.data
         if data.has_key(key): return data[key]
 
-        l=rfind(key,'-')
-        if l < 0: raise KeyError, key
+        l=key.rfind('-')
+        if l < 0:
+            alt_prefix = self.alt_prefix
+            if not (alt_prefix and key.startswith(alt_prefix)):
+                raise KeyError, key
 
+            suffix = key[len(alt_prefix):].replace('_', '-')
+            if '-' in suffix:
+                try: return self[suffix]
+                except KeyError: pass
+            prefix = 'sequence'
+            key = 'sequence-' + suffix
+        else:
             suffix=key[l+1:]
             prefix=key[:l]
 
@@ -420,11 +444,6 @@ class sequence_variables:
         raise KeyError, key
 
 
-
-
-def sub(s1, s2, src):
-    return join(split(src, s1), s2)
-
 def opt(start,end,size,orphan,sequence):
     if size < 1:
         if start > 0 and end > 0 and end >= start:

lib/python/DocumentTemplate/DT_Util.py

@@ -82,11 +82,10 @@
 # attributions are listed in the accompanying credits file.
 # 
 ##############################################################################
-'''$Id: DT_Util.py,v 1.76 2001/04/30 14:46:00 shane Exp $''' 
-__version__='$Revision: 1.76 $'[11:-2]
+'''$Id: DT_Util.py,v 1.77 2001/05/16 19:07:02 evan Exp $''' 
+__version__='$Revision: 1.77 $'[11:-2]
 
 import re, os
-from string import lower
 from RestrictedPython.Guards import safe_builtins
 from RestrictedPython.Utilities import utility_builtins
 from RestrictedPython.Eval import RestrictionCapableEval
@@ -223,6 +222,25 @@ class Eval(RestrictionCapableEval):
         md._push(kw)
         return self.eval(md)
 
+simple_name = re.compile('[a-z][a-z0-9_]*', re.I).match
+
+class Add_with_prefix:
+    def __init__(self, map, defprefix, prefix):
+        self.map = map
+        self.defprefix = defprefix
+        self.prefix = prefix
+    def __setitem__(self, name, value):
+        map = self.map
+        map[name] = value
+        dp = self.defprefix
+        if name.startswith(dp + '-'):
+            map[self.prefix + name[len(dp):].replace('-', '_')] = value
+        else:
+            map['%s_%s' % (self.prefix, name)] = value
+
+def add_with_prefix(map, defprefix, prefix):
+    if not prefix: return map
+    return Add_with_prefix(map, defprefix, prefix)
 
 def name_param(params,tag='',expr=0, attr='name', default_unnamed=1):
     used=params.has_key
@@ -377,11 +395,11 @@ def parse_params(text,
     mo_unq = qunparmre.match(text)
 
     if mo_p:
-        name=lower(mo_p.group(2))
+        name=mo_p.group(2).lower()
         value=mo_p.group(3)
         l=len(mo_p.group(1))
     elif mo_q:
-        name=lower(mo_q.group(2))
+        name=mo_q.group(2).lower()
         value=mo_q.group(3)
         l=len(mo_q.group(1))
     elif mo_unp:

lib/python/Products/OFSP/help/dtml-in.stx

@@ -50,6 +50,11 @@ in: Loops over sequences
     next -- Iterates once if there is a next batch. Sets batch variables
     for the next sequence.
 
+    prefix=string -- Provide versions of the tag variables that start
+    with this prefix instead of "sequence", and that use underscores
+    (_) instead of hyphens (-).  The prefix must start with a letter and
+    contain only alphanumeric characters and underscores (_).
+
   Tag Variables
 
     Current Item Variables
@@ -203,6 +208,19 @@ in: Loops over sequences
         title: <dtml-var title><br>
       </dtml-in>
 
+    Looping over two sets of objects, using prefixes::
+
+      <dtml-let rows="(1,2,3)" cols="(4,5,6)">
+        <dtml-in rows prefix="row">
+          <dtml-in cols prefix="col">
+            <dtml-var expr="row_item * col_item"><br>
+            <dtml-if col_end>
+              <dtml-var expr="col_total_item * row_mean_item">
+            </dtml-if>
+          </dtml-in>
+        </dtml-in>
+      </dtml-let>
+
     Looping over a list of '(key, value)' tuples::
 
       <dtml-in objectItems>

lib/python/Products/OFSP/help/dtml-tree.stx

@@ -70,6 +70,11 @@ tree: Inserts a tree widget
     expanding and contracting widget links. This attribute is for
     advanced usage only.
 
+    prefix=string -- Provide versions of the tag variables that start
+    with this prefix instead of "tree", and that use underscores
+    (_) instead of hyphens (-).  The prefix must start with a letter and
+    contain only alphanumeric characters and underscores (_).
+
   Tag Variables
 
     tree-item-expanded -- True if the current node is expanded.

lib/python/TreeDisplay/TreeTag.py

@@ -84,16 +84,17 @@
 ##############################################################################
 """Rendering object hierarchies as Trees
 """
-__rcs_id__='$Id: TreeTag.py,v 1.46 2001/04/27 20:27:57 shane Exp $'
-__version__='$Revision: 1.46 $'[11:-2]
+__rcs_id__='$Id: TreeTag.py,v 1.47 2001/05/16 19:07:06 evan Exp $'
+__version__='$Revision: 1.47 $'[11:-2]
 
 from DocumentTemplate.DT_Util import *
 from DocumentTemplate.DT_String import String
 
-from string import join, split, rfind, find, translate
+from string import join, split, rfind, find, translate, replace
 from urllib import quote, unquote
 from zlib import compress, decompress
 from binascii import b2a_base64, a2b_base64
+import re
 
 tbl=join(map(chr, range(256)),'')
 tplus=tbl[:ord('+')]+'-'+tbl[ord('+')+1:]
@@ -116,7 +117,7 @@ class Tree:
                           # closed_decoration=None,
                           # childless_decoration=None,
                           assume_children=1,
-                          urlparam=None)
+                          urlparam=None, prefix=None)
         has_key=args.has_key
 
         if has_key('') or has_key('name') or has_key('expr'):
@@ -138,6 +139,11 @@ class Tree:
         if not has_key('childless_decoration'):
             args['childless_decoration']=''
 
+        prefix = args.get('prefix')
+        if prefix and not simple_name(prefix):
+            raise ParseError, _tm(
+                'prefix is not a simple name', 'tree')
+        
         self.__name__ = name
         self.section=section.blocks
         self.args=args
@@ -252,6 +258,11 @@ def tpRender(self, md, section, args,
               'tree-colspan': colspan,
               'tree-state': state }
 
+    prefix = args.get('prefix')
+    if prefix:
+        for k, v in treeData.items():
+            treeData[prefix + replace(k[4:], '-', '_')] = v
+    
     md._push(InstanceDict(self, md))
     md._push(treeData)
 
@@ -283,9 +294,10 @@ def tpRenderTABLE(self, id, root_url, url, state, substate, diff, data,
             url = (url and ('%s/%s' % (url, tpUrl))) or tpUrl
             root_url = root_url or tpUrl
 
-    treeData['tree-item-url']=url
-    treeData['tree-level']=level
-    treeData['tree-item-expanded']=0
+    ptreeData = add_with_prefix(treeData, 'tree', args.get('prefix'))
+    ptreeData['tree-item-url']=url
+    ptreeData['tree-level']=level
+    ptreeData['tree-item-expanded']=0
     idattr=args['id']
 
     output=data.append
@@ -404,7 +416,7 @@ def tpRenderTABLE(self, id, root_url, url, state, substate, diff, data,
                 param = ""
 
             if exp:
-                treeData['tree-item-expanded']=1
+                ptreeData['tree-item-expanded']=1
                 output('<A NAME="%s" HREF="%s?%stree-c=%s#%s">'
                        '<IMG SRC="%s/p_/mi" ALT="-" BORDER=0></A>' %
                        (id, root_url, param, s, id, script))
@@ -463,7 +475,7 @@ def tpRenderTABLE(self, id, root_url, url, state, substate, diff, data,
                 else: doc=None
                 if doc is not None:
                     treeData['-tree-substate-']=sub
-                    treeData['tree-level']=level
+                    ptreeData['tree-level']=level
                     md._push(treeData)
                     try: output(doc(
                         None,md,
@@ -482,7 +494,7 @@ def tpRenderTABLE(self, id, root_url, url, state, substate, diff, data,
             else: doc=None
             if doc is not None:
                 treeData['-tree-substate-']=sub
-                treeData['tree-level']=level
+                ptreeData['tree-level']=level
                 md._push(treeData)
                 try: output(doc(
                     None,md,