source: main/waeup.ikoba/trunk/src/waeup/ikoba/widgets/htmlwidget.py @ 12034

Last change on this file since 12034 was 11949, checked in by Henrik Bettermann, 10 years ago

Change of name.

  • Property svn:keywords set to Id
File size: 2.3 KB
Line 
1## $Id: htmlwidget.py 11949 2014-11-13 14:40:27Z henrik $
2##
3## Copyright (C) 2012 Uli Fouquet & Henrik Bettermann
4## This program is free software; you can redistribute it and/or modify
5## it under the terms of the GNU General Public License as published by
6## the Free Software Foundation; either version 2 of the License, or
7## (at your option) any later version.
8##
9## This program is distributed in the hope that it will be useful,
10## but WITHOUT ANY WARRANTY; without even the implied warranty of
11## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12## GNU General Public License for more details.
13##
14## You should have received a copy of the GNU General Public License
15## along with this program; if not, write to the Free Software
16## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17##
18"""A widget that renders localized html.
19"""
20from zope.component import getUtility
21from zope.formlib.widget import renderElement, DisplayWidget
22from waeup.ikoba.interfaces import IIkobaUtils
23
24
25class HTMLDisplayWidget(DisplayWidget):
26    """Restructured Text widget.
27    """
28
29    def __call__(self):
30        """The HTMLDisplayWidget transforms an localizez HTML text string into
31        a dictionary.
32
33        Different languages must be separated by `>>xy<<` whereas
34        xy is the language code. Text parts without correct leading
35        language separator - usually the first part has no language
36        descriptor - are interpreted as texts in the portal's language.
37        The latter can be configured in waeup.srp.utils.utils.IkobaUtils.
38        """
39        if self._renderedValueSet():
40            value = self._data
41        else:
42            value = self.context.default
43        if value == self.context.missing_value:
44            return {}
45        parts = value.split('>>')
46        elements = {}
47        lang = getUtility(IIkobaUtils).PORTAL_LANGUAGE
48        for part in parts:
49            if part[2:4] == u'<<':
50                lang = part[0:2].lower()
51                text = part[4:]
52                elements[lang] = renderElement(u'div id="html"',
53                    contents=text)
54            else:
55                text = part
56                elements[lang] = renderElement(u'div id="html"',
57                    contents=text)
58        return elements
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