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"""\
wxChoice objects
@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 wx
import common, config
from edit_windows import ManagedBase
import new_properties as np
from ChoicesProperty import *
class EditChoice(ManagedBase):
"Class to handle wxChoice objects"
WX_CLASS = "wxChoice"
_PROPERTIES = ["Widget", "selection", "choices"]
PROPERTIES = ManagedBase.PROPERTIES + _PROPERTIES + ManagedBase.EXTRA_PROPERTIES
def __init__(self, name, parent, index, choices):
ManagedBase.__init__(self, name, parent, index)
# initialise instance properties
self.selection = np.SpinProperty(0, val_range=(-1,len(choices)-1), immediate=True )
self.choices = ChoicesProperty( choices, [(_('Label'), np.GridProperty.STRING)] )
def create_widget(self):
choices = [c[0] for c in self.choices]
self.widget = wx.Choice(self.parent_window.widget, wx.ID_ANY, choices=choices)
self.widget.SetSelection(self.selection)
self.widget.Bind(wx.EVT_LEFT_DOWN, self.on_set_focus)
def get_property_handler(self, prop_name):
if prop_name == 'choices':
return ChoicesHandler(self)
return ManagedBase.get_property_handler(self, prop_name)
def _properties_changed(self, modified, actions):
# self.selection needs to be in range (-1,len(self.choices)-1)
choices = self.choices
max_selection = len(choices)-1
set_selection = False
if not modified or "choices" in modified:
# adjust range of selection
self.properties['selection'].set_range(min(-1,max_selection), max_selection)
set_selection = True
if self.widget:
# update widget
self.widget.Clear()
for c in choices: self.widget.Append(c[0])
actions.add("layout")
if not modified or "selection" in modified or set_selection:
set_selection = True
if self.selection>max_selection:
if common.history: common.history.monitor_property( self.properties['selection'] )
self.properties['selection'].set(max_selection)
if self.widget and set_selection and self.widget.GetSelection()!=self.selection:
self.widget.SetSelection(self.selection)
ManagedBase._properties_changed(self, modified, actions)
def builder(parent, index):
"factory function for EditChoice objects"
name = parent.toplevel_parent.get_next_contained_name('choice_%d')
with parent.frozen():
editor = EditChoice(name, parent, index, [(u'choice 1',)])
editor.check_defaults()
if parent.widget: editor.create()
return editor
def xml_builder(parser, base, name, parent, index):
"factory to build EditChoice objects from a XML file"
return EditChoice(name, parent, index, [])
def initialize():
"initialization function for the module: returns a wxBitmapButton to be added to the main palette"
common.widget_classes['EditChoice'] = EditChoice
common.widgets['EditChoice'] = builder
common.widgets_from_xml['EditChoice'] = xml_builder
return common.make_object_button('EditChoice', 'choice.png')
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