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"""\
Defines a Property and two handlers used by choice, combo_box, radio_box, list_box
@copyright: 2002-2007 Alberto Griggio
@copyright: 2016 Carsten Grohmann
@copyright: 2016-2021 Dietmar Schwertberger
@license: MIT (see LICENSE.txt) - THIS PROGRAM COMES WITH NO WARRANTY
"""
import new_properties as np
import common
from wcodegen.taghandler import BaseXmlBuilderTagHandler
__all__ = ['ChoicesProperty', 'ChoicesHandler']
class ChoicesProperty(np.GridProperty):
def write(self, output, tabs):
inner_xml = []
#for val in self.get_value():
for val in self.get():
value = common.encode_to_unicode(val[0]) # only first column is used
try:
checked = int(val[1])
except (IndexError, ValueError):
checked = None
if checked is None:
inner_xml += common.format_xml_tag(u'choice', value, tabs+1)
else:
inner_xml += common.format_xml_tag(u'choice', value, tabs+1, checked="%s" % checked)
output.extend( common.format_xml_tag(u'choices', inner_xml, tabs, is_xml=True) )
class ChoicesHandler(BaseXmlBuilderTagHandler):
def __init__(self, owner):
super(ChoicesHandler, self).__init__()
self.choices = []
self.cur_checked = None
self.owner = owner
def start_elem(self, name, attrs):
super(ChoicesHandler, self).start_elem(name, attrs)
if name == 'choice':
try:
self.cur_checked = int(attrs['checked'])
except (KeyError, ValueError):
self.cur_checked = None
def end_elem(self, name):
if name == 'choice':
char_data = self.get_char_data()
if self.cur_checked is None:
self.choices.append([char_data])
else:
self.choices.append([char_data, self.cur_checked])
self.cur_checked = None
elif name == 'choices':
self.owner.properties['choices'].load(self.choices)
self.choices = []
return True # remove the handler
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