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Python Source  |  2009-10-09  |  4.9 KB  |  164 lines
  1. # -*- coding: utf-8 -*-
  2. #
  3. # (c) Copyright 2001-2009 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: Don Welch
  20. #
  21.  
  22. # Std Lib
  23.  
  24. # Local
  25. from base.g import *
  26. from ui_utils import *
  27. from base import device
  28.  
  29. # Qt
  30. from PyQt4.QtCore import *
  31. from PyQt4.QtGui import *
  32.  
  33.  
  34. DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY = 0
  35. DEVICEURICOMBOBOX_TYPE_FAX_ONLY = 1
  36. DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX = 2
  37.  
  38.  
  39. class DeviceUriComboBox(QWidget):
  40.     def __init__(self, parent):
  41.         QWidget.__init__(self, parent)
  42.         self.device_uri = ''
  43.         self.initial_device = None
  44.         self.updating = False
  45.         self.typ = DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY
  46.         self.filter = None
  47.         self.devices = None
  48.  
  49.         self.user_settings = UserSettings()
  50.         self.user_settings.load()
  51.         self.user_settings.debug()
  52.  
  53.         self.initUi()
  54.  
  55.  
  56.     def initUi(self):
  57.         HBoxLayout = QHBoxLayout(self)
  58.         HBoxLayout.setObjectName("HBoxLayout")
  59.  
  60.         self.NameLabel = QLabel(self)
  61.         self.NameLabel.setObjectName("NameLabel")
  62.         HBoxLayout.addWidget(self.NameLabel)
  63.  
  64.         SpacerItem = QSpacerItem(20, 20, QSizePolicy.Minimum, QSizePolicy.Minimum)
  65.         HBoxLayout.addItem(SpacerItem)
  66.  
  67.         self.ComboBox = QComboBox(self)
  68.         sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
  69.         sizePolicy.setHorizontalStretch(0)
  70.         sizePolicy.setVerticalStretch(0)
  71.         sizePolicy.setHeightForWidth(self.ComboBox.sizePolicy().hasHeightForWidth())
  72.         self.ComboBox.setSizePolicy(sizePolicy)
  73.         self.ComboBox.setObjectName("ComboBox")
  74.         HBoxLayout.addWidget(self.ComboBox)
  75.  
  76.         self.NameLabel.setText(self.__tr("Device:"))
  77.  
  78. #        self.connect(self.ComboBox, SIGNAL("currentIndexChanged(int)"),
  79. #            self.ComboBox_currentIndexChanged)
  80.  
  81.         self.connect(self.ComboBox, SIGNAL("currentIndexChanged(const QString &)"),
  82.             self.ComboBox_currentIndexChanged)
  83.  
  84.  
  85.     def setType(self, typ):
  86.         if typ in (DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY,
  87.                    DEVICEURICOMBOBOX_TYPE_FAX_ONLY,
  88.                    DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX):
  89.             self.typ = typ
  90.  
  91.  
  92.     def setFilter(self, filter):
  93.         self.filter = filter
  94.  
  95.  
  96.     def setInitialDevice(self, device_uri):
  97.         self.initial_device = device_uri
  98.  
  99.  
  100.     def setDevices(self):
  101.         if self.typ == DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY:
  102.             be_filter = ['hp']
  103.  
  104.         elif self.typ == DEVICEURICOMBOBOX_TYPE_FAX_ONLY:
  105.             be_filter = ['hpfax']
  106.             self.NameLabel.setText(self.__tr("Fax Device:"))
  107.  
  108.         else: # DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX
  109.             be_filter = ['hp', 'hpfax']
  110.  
  111.         self.devices = device.getSupportedCUPSDevices(be_filter, self.filter)
  112.         return len(self.devices)
  113.  
  114.  
  115.     def updateUi(self):
  116.         if self.devices is None:
  117.             self.setDevices()
  118.  
  119.         self.device_index = {}
  120.  
  121.         if self.devices:
  122.             if self.initial_device is None:
  123.                 #self.initial_device = user_conf.get('last_used', 'device_uri')
  124.                 self.initial_device = self.user_settings.last_used_device_uri
  125.  
  126.             self.updating = True
  127.             try:
  128.                 k = 0
  129.                 for i, d in enumerate(self.devices):
  130.                     self.ComboBox.insertItem(i, d)
  131.  
  132.                     if self.initial_device is not None and d == self.initial_device:
  133.                         self.initial_device = None
  134.                         k = i
  135.  
  136.                 self.ComboBox.setCurrentIndex(-1)
  137.             finally:
  138.                 self.updating = False
  139.  
  140.             self.ComboBox.setCurrentIndex(k)
  141.  
  142.             if len(self.devices) == 1:
  143.                 self.emit(SIGNAL("DeviceUriComboBox_oneDevice"))
  144.  
  145.         else:
  146.             self.emit(SIGNAL("DeviceUriComboBox_noDevices"))
  147.  
  148.  
  149.     def ComboBox_currentIndexChanged(self, t):
  150.         if self.updating:
  151.             return
  152.  
  153.         self.device_uri = unicode(t)
  154.         if self.device_uri:
  155.             #user_conf.set('last_used', 'device_uri', self.device_uri)
  156.             self.user_settings.last_used_device_uri = self.device_uri
  157.             self.user_settings.save()
  158.  
  159.             self.emit(SIGNAL("DeviceUriComboBox_currentChanged"), self.device_uri)
  160.  
  161.  
  162.     def __tr(self,s,c = None):
  163.         return qApp.translate("DeviceUriComboBox",s,c)
  164.