#------------------------------------------------------------------------------
# Copyright (c) 2012, Enthought, Inc.
# All rights reserved.
#------------------------------------------------------------------------------
import wx
from .wx_control import WxControl
[docs]class WxComboBox(WxControl):
""" A Wx implementation of an Enaml ComboBox.
"""
#--------------------------------------------------------------------------
# Setup Methods
#--------------------------------------------------------------------------
[docs] def create_widget(self, parent, tree):
""" Create the underlying wx.ComboBox widget.
"""
return wx.ComboBox(parent, style=wx.CB_READONLY)
[docs] def create(self, tree):
""" Create and initialize the combo box control.
"""
super(WxComboBox, self).create(tree)
self.set_items(tree['items'])
self.set_index(tree['index'])
self.widget().Bind(wx.EVT_COMBOBOX, self.on_index_changed)
#--------------------------------------------------------------------------
# Message Handlers
#--------------------------------------------------------------------------
[docs] def on_action_set_index(self, content):
""" Handle the 'set_index' action from the Enaml widget.
"""
self.set_index(content['index'])
[docs] def on_action_set_items(self, content):
""" Handle the 'set_items' action from the Enaml widget.
"""
self.set_items(content['items'])
#--------------------------------------------------------------------------
# Event Handlers
#--------------------------------------------------------------------------
[docs] def on_index_changed(self, event):
""" The signal handler for the index changed signal.
"""
content = {'index': self.widget().GetCurrentSelection()}
self.send_action('index_changed', content)
#--------------------------------------------------------------------------
# Widget Update Methods
#--------------------------------------------------------------------------
[docs] def set_items(self, items):
""" Set the items of the ComboBox.
"""
widget = self.widget()
sel = widget.GetCurrentSelection()
widget.SetItems(items)
widget.SetSelection(sel)
[docs] def set_index(self, index):
""" Set the current index of the ComboBox
"""
self.widget().SetSelection(index)