#------------------------------------------------------------------------------
# Copyright (c) 2012, Enthought, Inc.
# All rights reserved.
#------------------------------------------------------------------------------
import wx
from .wx_control import WxControl
[docs]class WxProgressBar(WxControl):
""" A Wx implementation of an Enaml ProgressBar.
"""
#: The minimum value of the progress bar
_minimum = 0
#: The maximum value of the progress bar
_maximum = 100
#--------------------------------------------------------------------------
# Setup Methods
#--------------------------------------------------------------------------
[docs] def create_widget(self, parent, tree):
""" Create the underlying wx.Gauge widget.
"""
return wx.Gauge(parent)
[docs] def create(self, tree):
""" Create and initialize the progress bar control.
"""
super(WxProgressBar, self).create(tree)
self.set_minimum(tree['minimum'])
self.set_maximum(tree['maximum'])
self.set_value(tree['value'])
#--------------------------------------------------------------------------
# Message Handlers
#--------------------------------------------------------------------------
[docs] def on_action_set_minimum(self, content):
""" Handle the 'set_minimum' action from the Enaml widget.
"""
self.set_minimum(content['minimum'])
[docs] def on_action_set_maximum(self, content):
""" Handle the 'set_maximum' action from the Enaml widget.
"""
self.set_maximum(content['maximum'])
[docs] def on_action_set_value(self, content):
""" Handle the 'set_value' action from the Enaml widget.
"""
self.set_value(content['value'])
#--------------------------------------------------------------------------
# Widget Update Methods
#--------------------------------------------------------------------------
[docs] def set_minimum(self, value):
""" Set the minimum value of the progress bar
"""
self._minimum = value
self.widget().SetRange(self._maximum - value)
[docs] def set_maximum(self, value):
""" Set the maximum value of the progress bar
"""
self._maximum = value
self.widget().SetRange(value - self._minimum)
[docs] def set_value(self, value):
""" Set the value of the progress bar
"""
self.widget().SetValue(value - self._minimum)