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launcher_progress_dialog.py
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# MASSIVE/CVL Launcher - easy secure login for the MASSIVE Desktop and the CVL
# Copyright (c) 2012-2013, Monash e-Research Centre (Monash University, Australia)
# All rights reserved.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# In addition, redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# - Neither the name of the Monash University nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. SEE THE
# GNU GENERAL PUBLIC LICENSE FOR MORE DETAILS.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Enquiries: [email protected]
import wx
from logger.Logger import logger
class LauncherProgressDialog(wx.Frame):
def __init__(self, parent, id, title, message, maxValue, userCanAbort,cancelCallback=None):
wx.Frame.__init__(self, parent, id, title, style=wx.DEFAULT_DIALOG_STYLE|wx.FRAME_FLOAT_ON_PARENT)
self.user_requested_abort = False
self.cancelCallback=cancelCallback
self.panel = wx.Panel(self, wx.ID_ANY)
# We'll just set a temporary message while the dialog,
# is constructed, to represent the longest message
# likely to appear in the progress dialog.
# At the end of the __init__ method, we will use
# SetLabel to set the initial message correctly.
temporaryMessage = "Getting the one time password for the VNC server"
self.messageStaticText = wx.StaticText(self.panel, label = temporaryMessage)
self.progressBar = wx.Gauge(self, -1, maxValue)
import sys
if sys.platform.startswith("win"):
_icon = wx.Icon('MASSIVE.ico', wx.BITMAP_TYPE_ICO)
self.SetIcon(_icon)
elif sys.platform.startswith("linux"):
import MASSIVE_icon
self.SetIcon(MASSIVE_icon.getMASSIVElogoTransparent128x128Icon())
else:
# FIXME OSX is handled somewhere else?
pass
#self.progressBar.SetSize(wx.Size(250, -1))
statusMessageWidth = self.messageStaticText.GetSize().width
self.progressBar.SetSize(wx.Size(statusMessageWidth, -1))
if userCanAbort:
sizer = wx.FlexGridSizer(rows=3, cols=3, vgap=5, hgap=15)
else:
sizer = wx.FlexGridSizer(rows=2, cols=3, vgap=5, hgap=15)
sizer.AddGrowableCol(1)
sizer.Add(wx.StaticText(self.panel, wx.ID_ANY, " "))
sizer.Add(self.messageStaticText, flag=wx.EXPAND|wx.LEFT|wx.RIGHT|wx.TOP|wx.BOTTOM, border=15)
sizer.Add(wx.StaticText(self.panel, wx.ID_ANY, " "))
sizer.Add(wx.StaticText(self.panel, wx.ID_ANY, " "))
sizer.Add(self.progressBar, flag=wx.EXPAND|wx.LEFT|wx.RIGHT|wx.BOTTOM, border=15)
sizer.Add(wx.StaticText(self.panel, wx.ID_ANY, " "))
if userCanAbort:
self.Bind(wx.EVT_CLOSE, self.onCancel)
sizer.Add(wx.StaticText(self.panel, wx.ID_ANY, " "))
CANCEL_BUTTON_ID=12345
self.cancelButton = wx.Button(self.panel, CANCEL_BUTTON_ID, "Cancel")
self.Bind(wx.EVT_BUTTON, self.onCancel, id=CANCEL_BUTTON_ID)
sizer.Add(self.cancelButton, flag=wx.ALIGN_CENTER|wx.TOP|wx.BOTTOM, border=15)
sizer.Add(wx.StaticText(self.panel, wx.ID_ANY, " "))
else:
# Currently the Launcher only uses this class with userCanAbort=True,
# so this event handler should never be called.
self.Bind(wx.EVT_CLOSE, self.doNothing)
self.panel.SetSizerAndFit(sizer)
self.Fit()
self.messageStaticText.SetLabel(message)
self.Center()
self.Show()
return None
def shouldAbort(self):
return self.user_requested_abort
def doNothing(self, event):
# Currently the Launcher only uses this class with userCanAbort=True,
# so this event handler should never be called.
logger.debug("User tried to close the progress dialog, even though userCanAbort is False.")
def onCancel(self, event):
self.messageStaticText.SetLabel("Aborting login...")
self.user_requested_abort = True
self.cancelButton.Enable(False)
if (self.cancelCallback != None):
self.cancelCallback()
def setCancelCallback(self,callback):
self.cancelCallback = callback
def Update(self, value, message):
if self.user_requested_abort:
return
self.progressBar.SetValue(value)
self.messageStaticText.SetLabel(message)