ovsdb/ovsdbmonitor/OVEConfigWindow.py

   1 # Copyright (c) 2010 Citrix Systems, Inc.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at:
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 from OVEStandard import *
  16 from OVEConfig import *
  17 from OVELogger import *
  18 from Ui_ConfigWindow import *
  19
  20 from OVEHostWindow import *
  21
  22 class OVEConfigWindow(QtGui.QDialog):
  23     def __init__(self, app):
  24         QtGui.QDialog.__init__(self)
  25         self.app = app
  26         self.ui = Ui_ConfigWindow()
  27         self.ui.setupUi(self)
  28
  29         self.connect(self.ui.hostAddButton, QtCore.SIGNAL("clicked()"), self.xon_hostAddButton_clicked)
  30         self.connect(self.ui.hostEditButton, QtCore.SIGNAL("clicked()"), self.xon_hostEditButton_clicked)
  31         self.connect(self.ui.hostDeleteButton, QtCore.SIGNAL("clicked()"), self.xon_hostDeleteButton_clicked)
  32         self.connect(self.ui.buttonBox, QtCore.SIGNAL("clicked(QAbstractButton *)"), self.xon_actionButton_Box_clicked)
  33         self.connect(self.ui.hostList, QtCore.SIGNAL("currentItemChanged(QListWidgetItem *,  QListWidgetItem *)"), self.xon_hostList_currentItemChanged)
  34         self.connect(self.ui.logTrafficCheckBox, QtCore.SIGNAL("stateChanged(int)"), self.xon_logTrafficCheckBox_stateChanged)
  35         self.connect(self.ui.truncateUuidsCheckBox, QtCore.SIGNAL("stateChanged(int)"), self.xon_truncateUuidsCheckBox_stateChanged)
  36         self.readConfig()
  37         self.updateWidgets()
  38
  39     def handleHostWindowRecord(self, record, isEdit):
  40         if record['accepted'] and record['address'].strip() != '':
  41             currentRow = self.ui.hostList.currentRow()
  42             if isEdit:
  43                 self.configHosts[currentRow] = record
  44             else:
  45                 self.configHosts.append(record)
  46
  47         self.updateWidgets()
  48
  49     def xon_hostAddButton_clicked(self):
  50         hostWindow = OVEHostWindow(self)
  51         hostWindow.exec_()
  52         self.handleHostWindowRecord(hostWindow.record(), False)
  53
  54     def xon_hostEditButton_clicked(self):
  55         if self.ui.hostList.currentItem() is None:
  56             pass # OVELog('No item to edit')
  57         else:
  58             currentRow = self.ui.hostList.currentRow()
  59             hostWindow = OVEHostWindow(self, self.configHosts[currentRow])
  60             hostWindow.exec_()
  61             self.handleHostWindowRecord(hostWindow.record(), True)
  62
  63     def xon_hostDeleteButton_clicked(self):
  64         if self.ui.hostList.currentItem() is not None:
  65             currentRow = self.ui.hostList.currentRow()
  66             del self.configHosts[currentRow]
  67             self.updateWidgets()
  68
  69     def xon_actionButton_Box_clicked(self, button):
  70         role = self.ui.buttonBox.buttonRole(button)
  71         if role == QtGui.QDialogButtonBox.AcceptRole:
  72             self.writeConfig()
  73             self.close()
  74         elif role == QtGui.QDialogButtonBox.ApplyRole:
  75             self.writeConfig()
  76         elif role == QtGui.QDialogButtonBox.RejectRole:
  77             if self.configChanged():
  78                 self.close()
  79             else:
  80                 ret = QtGui.QMessageBox.warning(
  81                     self, "OVSDB Monitor",
  82                     "Changes not applied. Discard?",
  83                     QtGui.QMessageBox.Discard | QtGui.QMessageBox.Cancel | QtGui.QMessageBox.Apply,
  84                     QtGui.QMessageBox.Discard)
  85
  86                 if ret == QtGui.QMessageBox.Apply:
  87                     self.writeConfig()
  88                 if ret != QtGui.QMessageBox.Cancel:
  89                     self.close()
  90
  91     def xon_hostList_currentItemChanged(self, current, previous):
  92         editable = (current is not None)
  93         self.ui.hostEditButton.setEnabled(editable)
  94         self.ui.hostDeleteButton.setEnabled(editable)
  95
  96     def xon_logTrafficCheckBox_stateChanged(self, value):
  97         self.configLogTraffic = (value == Qt.Checked)
  98
  99     def xon_truncateUuidsCheckBox_stateChanged(self, value):
 100         self.configTruncateUuids = (value == Qt.Checked)
 101
 102     def updateWidgets(self):
 103         self.ui.hostList.clear()
 104         for host in self.configHosts:
 105             self.ui.hostList.addItem(host['address'])
 106         self.ui.logTrafficCheckBox.setChecked(self.configLogTraffic)
 107         self.ui.truncateUuidsCheckBox.setChecked(self.configTruncateUuids)
 108
 109     def configChanged(self):
 110         return (
 111             (self.configHosts == OVEConfig.Inst().hosts) and
 112             (self.configLogTraffic == (OVEConfig.Inst().logTraffic))and
 113             (self.configTruncateUuids == (OVEConfig.Inst().truncateUuids))
 114         )
 115
 116     def readConfig(self):
 117         self.configHosts = deepcopy(OVEConfig.Inst().hosts)
 118         self.configLogTraffic = OVEConfig.Inst().logTraffic
 119         self.configTruncateUuids = OVEConfig.Inst().truncateUuids
 120
 121     def writeConfig(self):
 122         OVEConfig.Inst().hosts = deepcopy(self.configHosts)
 123         OVEConfig.Inst().logTraffic = self.configLogTraffic
 124         OVEConfig.Inst().truncateUuids = self.configTruncateUuids
 125         OVEConfig.Inst().saveConfig()
 126
 127