Helpviewer/Passwords/PasswordModel.py

Mon, 25 Mar 2013 03:11:06 +0100

author
T.Rzepka <Tobias.Rzepka@gmail.com>
date
Mon, 25 Mar 2013 03:11:06 +0100
branch
Py2 comp.
changeset 2525
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parent 2302
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child 3145
a9de05d4a22f
permissions
-rw-r--r--

Script changes: Future import added, super calls modified and unicode behavior for str.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2013 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 a model for password management.
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8 """
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9
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10 from __future__ import unicode_literals # __IGNORE_WARNING__
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11
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12 from PyQt4.QtCore import Qt, QModelIndex, QAbstractTableModel
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14
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15 class PasswordModel(QAbstractTableModel):
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16 """
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17 Class implementing a model for password management.
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18 """
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19 def __init__(self, manager, parent=None):
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20 """
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21 Constructor
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22
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23 @param manager reference to the password manager (PasswordManager)
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24 @param parent reference to the parent object (QObject)
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25 """
2525
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26 super(PasswordModel, self).__init__(parent)
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27
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28 self.__manager = manager
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29 manager.changed.connect(self.__passwordsChanged)
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30
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31 self.__headers = [
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32 self.trUtf8("Website"),
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33 self.trUtf8("Username"),
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34 self.trUtf8("Password")
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35 ]
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36
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37 self.__showPasswords = False
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38
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39 def setShowPasswords(self, on):
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40 """
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41 Public methods to show passwords.
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42
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43 @param on flag indicating if passwords shall be shown (boolean)
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44 """
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45 self.__showPasswords = on
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46 self.reset()
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47
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48 def showPasswords(self):
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49 """
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50 Public method to indicate, if passwords shall be shown.
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51
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52 @return flag indicating if passwords shall be shown (boolean)
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53 """
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54 return self.__showPasswords
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55
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56 def __passwordsChanged(self):
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57 """
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58 Private slot handling a change of the registered passwords.
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59 """
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60 self.reset()
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61
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62 def removeRows(self, row, count, parent=QModelIndex()):
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63 """
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64 Public method to remove entries from the model.
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65
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66 @param row start row (integer)
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67 @param count number of rows to remove (integer)
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68 @param parent parent index (QModelIndex)
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69 @return flag indicating success (boolean)
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70 """
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71 if parent.isValid():
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72 return False
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73
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74 if count <= 0:
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75 return False
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76
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77 lastRow = row + count - 1
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78
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79 self.beginRemoveRows(parent, row, lastRow)
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80
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81 siteList = self.__manager.allSiteNames()
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82 for index in range(row, lastRow + 1):
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83 self.__manager.removePassword(siteList[index])
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84
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85 # removeEngine emits changed()
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86 #self.endRemoveRows()
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87
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88 return True
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89
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90 def rowCount(self, parent=QModelIndex()):
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91 """
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92 Public method to get the number of rows of the model.
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93
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94 @param parent parent index (QModelIndex)
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95 @return number of rows (integer)
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96 """
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97 if parent.isValid():
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98 return 0
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99 else:
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100 return self.__manager.sitesCount()
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101
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102 def columnCount(self, parent=QModelIndex()):
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103 """
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104 Public method to get the number of columns of the model.
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105
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106 @param parent parent index (QModelIndex)
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107 @return number of columns (integer)
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108 """
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109 if self.__showPasswords:
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110 return 3
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111 else:
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112 return 2
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113
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114 def data(self, index, role):
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115 """
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116 Public method to get data from the model.
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117
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118 @param index index to get data for (QModelIndex)
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119 @param role role of the data to retrieve (integer)
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120 @return requested data
0
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121 """
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122 if index.row() >= self.__manager.sitesCount() or index.row() < 0:
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123 return None
0
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124
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125 site = self.__manager.allSiteNames()[index.row()]
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126 siteInfo = self.__manager.siteInfo(site)
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127
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128 if siteInfo is None:
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129 return None
0
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130
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131 if role == Qt.DisplayRole:
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132 if index.column() == 0:
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133 return site
0
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134 elif index.column() in [1, 2]:
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135 return siteInfo[index.column() - 1]
0
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136
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c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
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137 return None
0
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138
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
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139 def headerData(self, section, orientation, role=Qt.DisplayRole):
0
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140 """
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141 Public method to get the header data.
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142
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143 @param section section number (integer)
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144 @param orientation header orientation (Qt.Orientation)
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145 @param role data role (integer)
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c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
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146 @return header data
0
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147 """
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148 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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149 try:
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c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
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150 return self.__headers[section]
0
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151 except IndexError:
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152 pass
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153
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
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154 return None

eric ide

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