ui/deviceuricombobox.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
  24 # Local
  25 from base.g import *
  26 from ui_utils import *
  27 from base import device, utils
  28
  29 # Qt3
  30 from qt import *
  31
  32 DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY = 0
  33 DEVICEURICOMBOBOX_TYPE_FAX_ONLY = 1
  34 DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX = 2
  35
  36
  37 class DeviceUriComboBox(QWidget):
  38     def __init__(self, parent):
  39         QWidget.__init__(self, parent)
  40         self.device_uri = ''
  41         self.initial_device = None
  42         self.updating = False
  43         self.typ = DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY
  44         self.filter = None
  45         self.devices = None
  46
  47         self.user_settings = utils.UserSettings()
  48         self.user_settings.load()
  49         self.user_settings.debug()
  50
  51         self.initUi()
  52
  53
  54     def initUi(self):
  55         HBoxLayout = QHBoxLayout(self)
  56         HBoxLayout.setName("HBoxLayout")
  57
  58         self.NameLabel = QLabel(self)
  59         self.NameLabel.setName("NameLabel")
  60         HBoxLayout.addWidget(self.NameLabel)
  61
  62         SpacerItem = QSpacerItem(20, 20, QSizePolicy.Minimum, QSizePolicy.Minimum)
  63         HBoxLayout.addItem(SpacerItem)
  64
  65         self.ComboBox = QComboBox(self)
  66         sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
  67         sizePolicy.setHorStretch(0)
  68         sizePolicy.setVerStretch(0)
  69         sizePolicy.setHeightForWidth(self.ComboBox.sizePolicy().hasHeightForWidth())
  70         self.ComboBox.setSizePolicy(sizePolicy)
  71         self.ComboBox.setName("ComboBox")
  72         HBoxLayout.addWidget(self.ComboBox)
  73
  74         self.NameLabel.setText(self.__tr("Device:"))
  75
  76 #        self.connect(self.ComboBox, SIGNAL("currentIndexChanged(const QString &)"),  self, self.ComboBox_currentIndexChanged)
  77
  78         self.connect(self.ComboBox, SIGNAL("highlighted(const QString &)"), self.ComboBox_currentIndexChanged)
  79
  80
  81     def setType(self, typ):
  82         if typ in (DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY,
  83                    DEVICEURICOMBOBOX_TYPE_FAX_ONLY,
  84                    DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX):
  85             self.typ = typ
  86
  87
  88     def setFilter(self, filter):
  89         self.filter = filter
  90
  91
  92     def setInitialDevice(self, device_uri):
  93         self.initial_device = device_uri
  94
  95     def setParent(self, parent):
  96         self.parent = parent
  97
  98     def setDevices(self):
  99         if self.typ == DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY:
 100             be_filter = ['hp']
 101
 102         elif self.typ == DEVICEURICOMBOBOX_TYPE_FAX_ONLY:
 103             be_filter = ['hpfax']
 104             self.NameLabel.setText(self.__tr("Fax Device:"))
 105
 106         else: # DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX
 107             be_filter = ['hp', 'hpfax']
 108
 109         self.devices = device.getSupportedCUPSDevices(be_filter, self.filter)
 110         return len(self.devices)
 111
 112
 113     def updateUi(self):
 114         if self.devices is None:
 115             num_devices = self.setDevices()
 116
 117         self.device_index = {}
 118
 119         if self.devices:
 120             if self.initial_device is None:
 121                 #self.initial_device = user_conf.get('last_used', 'device_uri')
 122                 self.initial_device = self.user_settings.last_used_device_uri
 123
 124             self.updating = True
 125             try:
 126                 k = 0
 127                 str_devices = self.devices.keys()
 128                 d = str(str_devices[0])
 129                 for i in range(0, num_devices):
 130                     self.ComboBox.insertItem(str_devices[i], i)
 131                     if self.initial_device is not None and d == self.initial_device:
 132                         self.initial_device = None
 133                         k = i
 134
 135                 self.ComboBox.setCurrentItem(-1)
 136             finally:
 137                 self.updating = False
 138
 139             self.ComboBox.setCurrentItem(k)
 140
 141         else:
 142             self.parent.DeviceUriComboBox_noDevices()
 143
 144
 145     def ComboBox_currentIndexChanged(self, t):
 146         if self.updating:
 147             return
 148
 149         self.device_uri = unicode(t)
 150         if self.device_uri:
 151             #user_conf.set('last_used', 'device_uri', self.device_uri)
 152             self.user_settings.last_used_device_uri = self.device_uri
 153             self.user_settings.save()
 154
 155             self.parent.DeviceUriComboBox_currentChanged(self.device_uri)
 156
 157
 158     def __tr(self,s,c = None):
 159         return qApp.translate("DeviceUriComboBox",s,c)