# radio_button.py: wxRadioButton objects
# $Id: radio_button.py,v 1.20 2007/03/27 07:01:54 agriggio Exp $
#
# Copyright (c) 2002-2007 Alberto Griggio <agriggio@users.sourceforge.net>
# License: MIT (see license.txt)
# THIS PROGRAM COMES WITH NO WARRANTY
import wx
import common, misc
from edit_windows import ManagedBase
from tree import Tree
from widget_properties import *
from misc import wxGladeRadioButton
class EditRadioButton(ManagedBase):
events = ['EVT_RADIOBUTTON']
def __init__(self, name, parent, id, label, sizer, pos, property_window,
show=True):
"""\
Class to handle wxRadioButton objects
"""
import config
ManagedBase.__init__(self, name, 'wxRadioButton', parent, id, sizer,
pos, property_window, show=show)
self.label = label
self.value = 0 # if nonzero, che radio button is selected
self.style = 0
# label and checked properties
self.access_functions['label'] = (self.get_label, self.set_label)
self.access_functions['clicked'] = (self.get_value, self.set_value)
self.access_functions['style'] = (self.get_style, self.set_style)
self.properties['label'] = TextProperty(self, 'label', None,
multiline=True, label=_("label"))
self.properties['clicked'] = CheckBoxProperty(self, 'clicked', None,
_('Clicked'))
self.style_pos = [wx.RB_GROUP, wx.RB_SINGLE, wx.RB_USE_CHECKBOX]
self.properties['style'] = CheckListProperty(
self, 'style', None, ['#section#' + _('Style'),
'wxRB_GROUP', 'wxRB_SINGLE', 'wxRB_USE_CHECKBOX'],
tooltips=[_('Marks the beginning of a new group of radio buttons.'),
_('In some circumstances, radio buttons that are not consecutive siblings trigger a hang bug in Windows (only). If this happens, add this style to mark the button as not belonging to a group, and implement the mutually-exclusive group behaviour yourself.'),
_('Use a checkbox button instead of radio button (currently supported only on PalmOS).')])
# 2003-09-04 added default_border
if config.preferences.default_border:
self.border = config.preferences.default_border_size
self.flag = wx.ALL
def create_widget(self):
self.widget = wxGladeRadioButton(self.parent.widget, self.id,
self.label)
try:
self.widget.SetValue(self.value) # self.clicked?
except AttributeError:
raise
wx.EVT_CHECKBOX(self.widget, self.id,
lambda e: self.widget.SetValue(self.value))
def create_properties(self):
ManagedBase.create_properties(self)
panel = wx.Panel(self.notebook, -1)
szr = wx.BoxSizer(wx.VERTICAL)
self.properties['label'].display(panel)
self.properties['clicked'].display(panel)
self.properties['style'].display(panel)
szr.Add(self.properties['label'].panel, 0, wx.EXPAND)
szr.Add(self.properties['clicked'].panel, 0, wx.EXPAND)
szr.Add(self.properties['style'].panel, 0, wx.EXPAND)
panel.SetAutoLayout(True)
panel.SetSizer(szr)
szr.Fit(panel)
self.notebook.AddPage(panel, _('Widget'))
def get_label(self): return self.label
def get_value(self): return self.value
def set_label(self, value):
value = misc.wxstr(value)
if not misc.streq(value, self.label):
self.label = value
if self.widget:
self.widget.SetLabel(value.replace('\\n', '\n'))
if not self.properties['size'].is_active():
self.sizer.set_item(self.pos,
size=self.widget.GetBestSize())
def set_value(self, value):
self.value = int(value)
if self.widget: self.widget.SetValue(self.value)
def get_style(self):
retval = [0] * len(self.style_pos)
try:
for i in range(len(self.style_pos)):
if self.style & self.style_pos[i]:
retval[i] = 1
except AttributeError:
pass
return retval
def set_style(self, value):
value = self.properties['style'].prepare_value(value)
self.style = 0
for v in range(len(value)):
if value[v]:
self.style |= self.style_pos[v]
# end of class EditRadioButton
def builder(parent, sizer, pos, number=[1]):
"""\
factory function for EditRadioButton objects.
"""
label = 'radio_btn_%d' % number[0]
while common.app_tree.has_name(label):
number[0] += 1
label = 'radio_btn_%d' % number[0]
radio = EditRadioButton(label, parent, wx.NewId(), misc._encode(label),
sizer, pos, common.property_panel)
node = Tree.Node(radio)
radio.node = node
radio.show_widget(True)
common.app_tree.insert(node, sizer.node, pos-1)
def xml_builder(attrs, parent, sizer, sizeritem, pos=None):
"""\
factory to build EditRadioButton objects from an xml file
"""
from xml_parse import XmlParsingError
try: label = attrs['name']
except KeyError: raise XmlParsingError, _("'name' attribute missing")
if sizer is None or sizeritem is None:
raise XmlParsingError, _("sizer or sizeritem object cannot be None")
radio = EditRadioButton(label, parent, wx.NewId(), "",
sizer, pos, common.property_panel)
sizer.set_item(radio.pos, option=sizeritem.option,
flag=sizeritem.flag, border=sizeritem.border)
## size=radio.GetBestSize())
node = Tree.Node(radio)
radio.node = node
if pos is None: common.app_tree.add(node, sizer.node)
else: common.app_tree.insert(node, sizer.node, pos-1)
return radio
def initialize():
"""\
initialization function for the module: returns a wx.BitmapButton to be
added to the main palette.
"""
common.widgets['EditRadioButton'] = builder
common.widgets_from_xml['EditRadioButton'] = xml_builder
return common.make_object_button('EditRadioButton',
'icons/radio_button.xpm')
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