1 ### -*- coding: utf-8 -*- ####################################################

     2 ##############################################################################

     3 #

     4 # Copyright (c) 2008-2010 Thierry Florac <tflorac AT ulthar.net>

     5 # All Rights Reserved.

     6 #

     7 # This software is subject to the provisions of the Zope Public License,

     8 # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.

     9 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED

    10 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    11 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS

    12 # FOR A PARTICULAR PURPOSE.

    13 #

    14 ##############################################################################

    15 

    16 __docformat__ = "restructuredtext"

    17 

    18 # import standard packages

    19 

    20 # import Zope3 interfaces

    21 from zope.tales.interfaces import ITALESFunctionNamespace

    22 

    23 # import local interfaces

    24 from ztfy.utils.tal.interfaces import ITextStartTalesAPI, ITextOutputTalesAPI

    25 

    26 # import Zope3 packages

    27 from zope.i18n import translate

    28 from zope.interface import implements

    29 

    30 # import local packages

    31 from ztfy.utils.text import textStart

    32 

    33 

    34 class TextStartTalesAdapter(object):

    35 

    36     implements(ITextStartTalesAPI, ITALESFunctionNamespace)

    37 

    38     def __init__(self, context):

    39         self.context = context

    40 

    41     def setEngine(self, engine):

    42         self.request = engine.vars['request']

    43 

    44     def __getattr__(self, attr):

    45         try:

    46             if attr.find(',') > 0:

    47                 length, max = (int(x) for x in attr.split(','))

    48             else:

    49                 length = int(attr)

    50                 max = 0

    51             return textStart(self.context, length, max)

    52         except:

    53             return ''

    54 

    55 

    56 class TextOutputTalesAdapter(object):

    57 

    58     implements(ITextOutputTalesAPI, ITALESFunctionNamespace)

    59 

    60     def __init__(self, context):

    61         self.context = context

    62 

    63     def setEngine(self, engine):

    64         self.request = engine.vars['request']

    65 

    66     def js(self):

    67         return self.context.replace("'", "'").replace("\n", "
")

    68 

    69     def noquotes(self):

    70         return self.context.replace('"', '')

    71 

    72     def breaks(self):

    73         return self.context.replace('|', '\n')

    74 

    75     def translate(self):

    76         return translate(self.context, context=self.request)