loops/util.py
helmutm 4962810373 Nodes are now orderable via the ZMI
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1005 fd906abe-77d9-0310-91a1-e0d9ade77398
2006-01-13 10:02:51 +00:00

46 lines
1.6 KiB
Python

#
# Copyright (c) 2006 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
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Utility functions.
$Id$
"""
def moveByDelta(objs, toMove, delta):
""" Return the list given by objs resorted in a way that the elements
of toMove (which must be in the objs list) have been moved by delta.
"""
result = [obj for obj in objs if obj not in toMove]
if delta < 0:
objs = list(reversed(objs))
result.reverse()
toMove = sorted(toMove, lambda x,y: cmp(objs.index(x), objs.index(y)))
for element in toMove:
newPos = min(len(result), objs.index(element) + abs(delta))
result.insert(newPos, element)
if delta < 0:
result.reverse()
return result
def nl2br(text):
if not text: return text
if '\n' in text: # Unix or DOS line endings
return '<br />\n'.join(x.replace('\r', '') for x in text.split('\n'))
else: # gracefully handle Mac line endigns
return '<br />\n'.join(text.split('\r'))