| 1 | ## $Id: restwidget.py 7705 2012-02-26 16:34:10Z henrik $
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| 2 | ##
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| 3 | ## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann
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| 4 | ## This program is free software; you can redistribute it and/or modify
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| 5 | ## it under the terms of the GNU General Public License as published by
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| 6 | ## the Free Software Foundation; either version 2 of the License, or
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| 7 | ## (at your option) any later version.
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| 8 | ##
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| 9 | ## This program is distributed in the hope that it will be useful,
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| 10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | ## GNU General Public License for more details.
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| 13 | ##
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| 14 | ## You should have received a copy of the GNU General Public License
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| 15 | ## along with this program; if not, write to the Free Software
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| 16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 17 | ##
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| 18 | """A widget that renders restructured text.
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| 19 | """
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| 20 | from zope.component import getUtility
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| 21 | from zope.formlib.widget import renderElement, DisplayWidget
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| 22 | from waeup.sirp.utils.helpers import ReST2HTML
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| 23 | from waeup.sirp.interfaces import ISIRPUtils
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| 24 |
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| 25 |
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| 26 | class ReSTDisplayWidget(DisplayWidget):
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| 27 | """Restructured Text widget.
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| 28 | """
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| 29 |
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| 30 | def __call__(self):
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| 31 | """The ReSTDisplayWidget transforms a ReST text string into
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| 32 | a dictionary.
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| 33 |
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| 34 | Different languages must be separated by `>>xy<<` whereas
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| 35 | xy is the language code. Text parts without correct leading
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| 36 | language separator - usually the first part has no language
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| 37 | descriptor - are interpreted as texts in the portal's language.
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| 38 | The latter can be configured in waeup.srp.utils.utils.SIRPUtils.
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| 39 | """
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| 40 | if self._renderedValueSet():
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| 41 | value = self._data
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| 42 | else:
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| 43 | value = self.context.default
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| 44 | if value == self.context.missing_value:
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| 45 | return {}
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| 46 | parts = value.split('>>')
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| 47 | elements = {}
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| 48 | lang = getUtility(ISIRPUtils).PORTAL_LANGUAGE
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| 49 | for part in parts:
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| 50 | if part[2:4] == u'<<':
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| 51 | lang = part[0:2].lower()
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| 52 | text = part[4:]
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| 53 | elements[lang] = renderElement(u'div id="rest"',
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| 54 | contents=ReST2HTML(text))
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| 55 | else:
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| 56 | text = part
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| 57 | elements[lang] = renderElement(u'div id="rest"',
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| 58 | contents=ReST2HTML(text))
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| 59 | return elements
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