ui/firmwaredialog.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # (c) Copyright 2001-2011 Hewlett-Packard Development Company, L.P.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18 #
  19 # Author: Sarbeswar Meher
  20 #
  21
  22 # Std Lib
  23 import operator
  24
  25 # Local
  26 from base.g import *
  27 from base import device, utils
  28 from prnt import cups
  29 from base.codes import *
  30 from ui_utils import *
  31
  32 # Qt
  33 from qt import *
  34
  35 # Ui
  36 from firmwaredialog_base import FirmwareDialog_Base
  37
  38 class FirmwareDialog(QDialog, FirmwareDialog_Base):
  39     def __init__(self, parent, device_uri):
  40         QDialog.__init__(self, parent)
  41         self.setupUi(self)
  42         self.device_uri = device_uri
  43         self.initUi()
  44         QTimer.singleShot(0, self.updateUi)
  45
  46     def initUi(self):
  47         self.DeviceComboBox.setFilter({'fw-download' : (operator.gt, 0)})
  48         self.DeviceComboBox.setParent(self)
  49         self.connect(self.CancelButton, SIGNAL("clicked()"), self.close)
  50         self.connect(self.DownloadFirmwareButton, SIGNAL("clicked()"), self.downloadFirmware)
  51
  52         # Application icon
  53         self.setIcon(load_pixmap('hp_logo', '128x128'))
  54
  55         if self.device_uri:
  56             self.DeviceComboBox.setInitialDevice(self.device_uri)
  57
  58
  59     def updateUi(self):
  60         self.DeviceComboBox.updateUi()
  61
  62
  63     def DeviceUriComboBox_currentChanged(self, device_uri):
  64         self.device_uri = device_uri
  65         # Update
  66
  67
  68     def DeviceUriComboBox_noDevices(self):
  69         self.FailureUI(self.__tr("<b>No devices that support firmware download found.</b>"))
  70         self.close()
  71
  72
  73     def downloadFirmware(self):
  74         d = None
  75
  76         try:
  77             try:
  78                 d = device.Device(self.device_uri)
  79             except Error:
  80                 self.CheckDeviceUI()
  81                 return
  82
  83             try:
  84                 d.open()
  85             except Error:
  86                 self.CheckDeviceUI()
  87             else:
  88                 if d.isIdleAndNoError():
  89                     ok = d.downloadFirmware()
  90
  91                 else:
  92                     self.CheckDeviceUI()
  93
  94         finally:
  95             if d is not None:
  96                 d.close()
  97
  98         self.close()
  99
 100
 101
 102     def __tr(self,s,c = None):
 103         return qApp.translate("FirmwareDialog",s,c)
 104
 105     def FailureUI(self, error_text):
 106
 107         QMessageBox.critical(self,
 108                 self.caption(),
 109                 error_text,
 110                 QMessageBox.Ok,
 111                 QMessageBox.NoButton,
 112                 QMessageBox.NoButton)
 113
 114
 115     def CheckDeviceUI(self):
 116          return self.FailureUI(self.__tr("<b>Unable to communicate with device or device is in an error state.</b><p>Please check device setup and try again.</p>"))
 117