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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
""" Enthought pyface package component
"""
import sys
import wx
from traits.api import Bool, Enum, Int, provides, Str
from pyface.i_dialog import IDialog, MDialog
from pyface.constant import OK, CANCEL, YES, NO
from .window import Window
# Map wx dialog related constants to the pyface equivalents.
_RESULT_MAP = {
wx.ID_OK: OK,
wx.ID_CANCEL: CANCEL,
wx.ID_YES: YES,
wx.ID_NO: NO,
wx.ID_CLOSE: CANCEL,
# There seems to be a bug in wx.SingleChoiceDialog that allows it to return
# 0 when it is closed via the window (closing it via the buttons works just
# fine).
0: CANCEL,
}
@provides(IDialog)
class Dialog(MDialog, Window):
""" The toolkit specific implementation of a Dialog. See the IDialog
interface for the API documentation.
"""
# 'IDialog' interface -------------------------------------------------#
cancel_label = Str()
help_id = Str()
help_label = Str()
ok_label = Str()
resizeable = Bool(True)
return_code = Int(OK)
style = Enum("modal", "nonmodal")
# 'IWindow' interface -------------------------------------------------#
title = Str("Dialog")
# ------------------------------------------------------------------------
# Protected 'IDialog' interface.
# ------------------------------------------------------------------------
def _create_buttons(self, parent):
sizer = wx.StdDialogButtonSizer()
# The 'OK' button.
if self.ok_label:
label = self.ok_label
else:
label = "OK"
self._wx_ok = ok = wx.Button(parent, wx.ID_OK, label)
ok.SetDefault()
parent.Bind(wx.EVT_BUTTON, self._wx_on_ok, id=wx.ID_OK)
sizer.AddButton(ok)
# The 'Cancel' button.
if self.cancel_label:
label = self.cancel_label
else:
label = "Cancel"
self._wx_cancel = cancel = wx.Button(parent, wx.ID_CANCEL, label)
parent.Bind(wx.EVT_BUTTON, self._wx_on_cancel, id=wx.ID_CANCEL)
sizer.AddButton(cancel)
# The 'Help' button.
if len(self.help_id) > 0:
if self.help_label:
label = self.help_label
else:
label = "Help"
help = wx.Button(parent, wx.ID_HELP, label)
parent.Bind(wx.EVT_BUTTON, self._wx_on_help, id=wx.ID_HELP)
sizer.AddButton(help)
sizer.Realize()
return sizer
def _create_contents(self, parent):
sizer = wx.BoxSizer(wx.VERTICAL)
parent.SetSizer(sizer)
parent.SetAutoLayout(True)
# The 'guts' of the dialog.
dialog_area = self._create_dialog_area(parent)
sizer.Add(dialog_area, 1, wx.EXPAND | wx.ALL, 5)
# The buttons.
buttons = self._create_buttons(parent)
sizer.Add(buttons, 0, wx.ALIGN_RIGHT | wx.ALL, 5)
# Resize the dialog to match the sizer's minimal size.
if self.size != (-1, -1):
parent.SetSize(self.size)
else:
sizer.Fit(parent)
parent.CentreOnParent()
def _create_dialog_area(self, parent):
panel = wx.Panel(parent, -1)
panel.SetBackgroundColour("red")
panel.SetSize((100, 200))
return panel
def _show_modal(self):
if sys.platform == "darwin":
# Calling Show(False) is needed on the Mac for the modal dialog
# to show up at all.
self.control.Show(False)
return _RESULT_MAP[self.control.ShowModal()]
# ------------------------------------------------------------------------
# Protected 'IWidget' interface.
# ------------------------------------------------------------------------
def _create_control(self, parent):
style = wx.DEFAULT_DIALOG_STYLE | wx.CLIP_CHILDREN
if self.resizeable:
style |= wx.RESIZE_BORDER
return wx.Dialog(
parent, -1, self.title, self.position, self.size, style
)
# wx event handlers ----------------------------------------------------
def _wx_on_ok(self, event):
""" Called when the 'OK' button is pressed. """
self.return_code = OK
# Let the default handler close the dialog appropriately.
event.Skip()
def _wx_on_cancel(self, event):
""" Called when the 'Cancel' button is pressed. """
self.return_code = CANCEL
# Let the default handler close the dialog appropriately.
event.Skip()
def _wx_on_help(self, event):
""" Called when the 'Help' button is pressed. """
pass
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