Mercurial Repositories > eric / file comparison
comparison: Helpviewer/Passwords/PasswordModel.py
Helpviewer/Passwords/PasswordModel.py
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- de9c2efb9d02
- child 7
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a model for password management. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import * | |
| 11 | |
| 12 class PasswordModel(QAbstractTableModel): | |
| 13 """ | |
| 14 Class implementing a model for password management. | |
| 15 """ | |
| 16 def __init__(self, manager, parent = None): | |
| 17 """ | |
| 18 Constructor | |
| 19 | |
| 20 @param manager reference to the password manager (PasswordManager) | |
| 21 @param parent reference to the parent object (QObject) | |
| 22 """ | |
| 23 QAbstractTableModel.__init__(self, parent) | |
| 24 | |
| 25 self.__manager = manager | |
| 26 self.connect(manager, SIGNAL("changed()"), self.__passwordsChanged) | |
| 27 | |
| 28 self.__headers = [ | |
| 29 self.trUtf8("Website"), | |
| 30 self.trUtf8("Username"), | |
| 31 self.trUtf8("Password") | |
| 32 ] | |
| 33 | |
| 34 self.__showPasswords = False | |
| 35 | |
| 36 def setShowPasswords(self, on): | |
| 37 """ | |
| 38 Public methods to show passwords. | |
| 39 | |
| 40 @param on flag indicating if passwords shall be shown (boolean) | |
| 41 """ | |
| 42 self.__showPasswords = on | |
| 43 self.reset() | |
| 44 | |
| 45 def showPasswords(self): | |
| 46 """ | |
| 47 Public method to indicate, if passwords shall be shown. | |
| 48 | |
| 49 @return flag indicating if passwords shall be shown (boolean) | |
| 50 """ | |
| 51 return self.__showPasswords | |
| 52 | |
| 53 def __passwordsChanged(self): | |
| 54 """ | |
| 55 Private slot handling a change of the registered passwords. | |
| 56 """ | |
| 57 self.reset() | |
| 58 | |
| 59 def removeRows(self, row, count, parent = QModelIndex()): | |
| 60 """ | |
| 61 Public method to remove entries from the model. | |
| 62 | |
| 63 @param row start row (integer) | |
| 64 @param count number of rows to remove (integer) | |
| 65 @param parent parent index (QModelIndex) | |
| 66 @return flag indicating success (boolean) | |
| 67 """ | |
| 68 if parent.isValid(): | |
| 69 return False | |
| 70 | |
| 71 if count <= 0: | |
| 72 return False | |
| 73 | |
| 74 lastRow = row + count - 1 | |
| 75 | |
| 76 self.beginRemoveRows(parent, row, lastRow) | |
| 77 | |
| 78 siteList = self.__manager.allSiteNames() | |
| 79 for index in range(row, lastRow + 1): | |
| 80 self.__manager.removePassword(siteList[index]) | |
| 81 | |
| 82 # removeEngine emits changed() | |
| 83 #self.endRemoveRows() | |
| 84 | |
| 85 return True | |
| 86 | |
| 87 def rowCount(self, parent = QModelIndex()): | |
| 88 """ | |
| 89 Public method to get the number of rows of the model. | |
| 90 | |
| 91 @param parent parent index (QModelIndex) | |
| 92 @return number of rows (integer) | |
| 93 """ | |
| 94 if parent.isValid(): | |
| 95 return 0 | |
| 96 else: | |
| 97 return self.__manager.sitesCount() | |
| 98 | |
| 99 def columnCount(self, parent = QModelIndex()): | |
| 100 """ | |
| 101 Public method to get the number of columns of the model. | |
| 102 | |
| 103 @param parent parent index (QModelIndex) | |
| 104 @return number of columns (integer) | |
| 105 """ | |
| 106 if self.__showPasswords: | |
| 107 return 3 | |
| 108 else: | |
| 109 return 2 | |
| 110 | |
| 111 def data(self, index, role): | |
| 112 """ | |
| 113 Public method to get data from the model. | |
| 114 | |
| 115 @param index index to get data for (QModelIndex) | |
| 116 @param role role of the data to retrieve (integer) | |
| 117 @return requested data (QVariant) | |
| 118 """ | |
| 119 if index.row() >= self.__manager.sitesCount() or index.row() < 0: | |
| 120 return QVariant() | |
| 121 | |
| 122 site = self.__manager.allSiteNames()[index.row()] | |
| 123 siteInfo = self.__manager.siteInfo(site) | |
| 124 | |
| 125 if siteInfo is None: | |
| 126 return QVariant() | |
| 127 | |
| 128 if role == Qt.DisplayRole: | |
| 129 if index.column() == 0: | |
| 130 return QVariant(site) | |
| 131 elif index.column() in [1, 2]: | |
| 132 return QVariant(siteInfo[index.column() - 1]) | |
| 133 | |
| 134 return QVariant() | |
| 135 | |
| 136 def headerData(self, section, orientation, role = Qt.DisplayRole): | |
| 137 """ | |
| 138 Public method to get the header data. | |
| 139 | |
| 140 @param section section number (integer) | |
| 141 @param orientation header orientation (Qt.Orientation) | |
| 142 @param role data role (integer) | |
| 143 @return header data (QVariant) | |
| 144 """ | |
| 145 if orientation == Qt.Horizontal and role == Qt.DisplayRole: | |
| 146 try: | |
| 147 return QVariant(self.__headers[section]) | |
| 148 except IndexError: | |
| 149 pass | |
| 150 | |
| 151 return QVariant() |
