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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 # |
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5 |
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6 """ |
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7 Module implementing encryption settings wizard page. |
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8 """ |
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9 |
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10 from PyQt4.QtCore import pyqtSlot |
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11 from PyQt4.QtGui import QWizardPage |
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12 |
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13 from . import SyncGlobals |
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14 |
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15 from .Ui_SyncEncryptionPage import Ui_SyncEncryptionPage |
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16 |
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17 import Preferences |
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18 |
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19 |
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20 class SyncEncryptionPage(QWizardPage, Ui_SyncEncryptionPage): |
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21 """ |
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22 Class implementing encryption settings wizard page. |
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23 """ |
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24 def __init__(self, parent=None): |
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25 """ |
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26 Constructor |
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27 |
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28 @param parent reference to the parent widget (QWidget) |
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29 """ |
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30 super().__init__(parent) |
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31 self.setupUi(self) |
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32 |
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33 self.registerField("ReencryptData", self.reencryptCheckBox) |
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34 |
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35 self.encryptionGroupBox.setChecked(Preferences.getHelp("SyncEncryptData")) |
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36 self.encryptionKeyEdit.setText(Preferences.getHelp("SyncEncryptionKey")) |
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37 self.encryptionKeyAgainEdit.setEnabled(False) |
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38 |
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39 def nextId(self): |
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40 """ |
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41 Public method returning the ID of the next wizard page. |
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42 |
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43 @return next wizard page ID (integer) |
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44 """ |
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45 Preferences.setHelp("SyncEncryptData", self.encryptionGroupBox.isChecked()) |
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46 Preferences.setHelp("SyncEncryptionKey", self.encryptionKeyEdit.text()) |
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47 |
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48 return SyncGlobals.PageType |
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49 |
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50 def isComplete(self): |
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51 """ |
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52 Public method to check the completeness of the page. |
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53 |
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54 @return flag indicating completeness (boolean) |
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55 """ |
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56 if self.encryptionGroupBox.isChecked(): |
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57 if self.encryptionKeyEdit.text() == "": |
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58 complete = False |
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59 else: |
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60 if self.reencryptCheckBox.isChecked(): |
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61 complete = (self.encryptionKeyEdit.text() == |
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62 self.encryptionKeyAgainEdit.text()) |
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63 else: |
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64 complete = True |
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65 else: |
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66 complete = True |
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67 |
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68 return complete |
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69 |
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70 def __updateUI(self): |
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71 """ |
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72 Private slot to update the variable parts of the UI. |
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73 """ |
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74 error = "" |
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75 |
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76 if self.encryptionGroupBox.isChecked(): |
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77 self.encryptionKeyAgainEdit.setEnabled( |
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78 self.reencryptCheckBox.isChecked()) |
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79 |
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80 if self.encryptionKeyEdit.text() == "": |
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81 error = error or self.trUtf8("Encryption key must not be empty.") |
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82 |
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83 if self.encryptionKeyEdit.text() != "" and \ |
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84 self.reencryptCheckBox.isChecked() and \ |
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85 self.encryptionKeyEdit.text() != self.encryptionKeyAgainEdit.text(): |
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86 error = error or self.trUtf8("Repeated encryption key is wrong.") |
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87 |
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88 self.errorLabel.setText(error) |
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89 self.completeChanged.emit() |
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90 |
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91 @pyqtSlot(str) |
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92 def on_encryptionKeyEdit_textChanged(self, txt): |
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93 """ |
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94 Private slot to handle changes of the encryption key. |
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95 |
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96 @param txt content of the edit widget (string) |
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97 """ |
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98 self.passwordMeter.checkPasswordStrength(txt) |
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99 self.__updateUI() |
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100 |
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101 @pyqtSlot(str) |
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102 def on_encryptionKeyAgainEdit_textChanged(self, txt): |
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103 """ |
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104 Private slot to handle changes of the encryption key repetition. |
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105 |
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106 @param txt content of the edit widget (string) |
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107 """ |
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108 self.__updateUI() |
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109 |
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110 @pyqtSlot(bool) |
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111 def on_encryptionGroupBox_toggled(self, on): |
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112 """ |
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113 Private slot to handle changes of the encryption selection. |
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114 |
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115 @param on state of the group box (boolean) |
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116 """ |
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117 self.__updateUI() |
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118 |
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119 @pyqtSlot(bool) |
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120 def on_reencryptCheckBox_toggled(self, on): |
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121 """ |
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122 Private slot to handle changes of the re-encryption selection. |
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123 |
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124 @param on state of the check box (boolean) |
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125 """ |
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126 self.__updateUI() |