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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!
""" A status bar manager realizes itself in a status bar control.
"""
import wx
from traits.api import Any, HasTraits, List, Property, Str, provides
from pyface.action.i_status_bar_manager import IStatusBarManager
@provides(IStatusBarManager)
class StatusBarManager(HasTraits):
""" A status bar manager realizes itself in a status bar control. """
# The message displayed in the first field of the status bar.
message = Property
# The messages to be displayed in the status bar fields.
messages = List(Str)
# The toolkit-specific control that represents the status bar.
status_bar = Any()
# ------------------------------------------------------------------------
# 'StatusBarManager' interface.
# ------------------------------------------------------------------------
def create_status_bar(self, parent):
""" Creates a status bar. """
if self.status_bar is None:
self.status_bar = wx.StatusBar(parent)
self.status_bar._pyface_control = self
if len(self.messages) > 1:
self.status_bar.SetFieldsCount(len(self.messages))
for i in range(len(self.messages)):
self.status_bar.SetStatusText(self.messages[i], i)
else:
self.status_bar.SetStatusText(self.message)
return self.status_bar
def destroy(self):
""" Removes a status bar. """
if self.status_bar is not None:
self.status_bar.Destroy()
self.status_bar._pyface_control = None
self.status_bar = None
# ------------------------------------------------------------------------
# Property handlers.
# ------------------------------------------------------------------------
def _get_message(self):
""" Property getter. """
if len(self.messages) > 0:
message = self.messages[0]
else:
message = ""
return message
def _set_message(self, value):
""" Property setter. """
if len(self.messages) > 0:
old = self.messages[0]
self.messages[0] = value
else:
old = ""
self.messages.append(value)
self.trait_property_changed("message", old, value)
return
# ------------------------------------------------------------------------
# Trait event handlers.
# ------------------------------------------------------------------------
def _messages_changed(self):
""" Sets the text displayed on the status bar. """
if self.status_bar is not None:
for i in range(len(self.messages)):
self.status_bar.SetStatusText(self.messages[i], i)
def _messages_items_changed(self):
""" Sets the text displayed on the status bar. """
if self.status_bar is not None:
for i in range(len(self.messages)):
self.status_bar.SetStatusText(self.messages[i], i)
return
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